From: Clint Adams Date: Sat, 7 Jun 2014 16:16:23 +0000 (+0100) Subject: Import haskell-language-javascript_0.5.13.orig.tar.gz X-Git-Tag: archive/raspbian/0.7.1.0-1+rpi1~1^2^2^2^2~1 X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=6367b2546006f7776370fd70ca815b94aa6a2198;p=haskell-language-javascript.git Import haskell-language-javascript_0.5.13.orig.tar.gz [dgit import orig haskell-language-javascript_0.5.13.orig.tar.gz] --- 6367b2546006f7776370fd70ca815b94aa6a2198 diff --git a/.ghci b/.ghci new file mode 100644 index 0000000..14b01ea --- /dev/null +++ b/.ghci @@ -0,0 +1,5 @@ +-- Startup commands for the GHC interpreter +:set -hide-package monads-tf +:set -hide-package monads-fd +:set -i./src +:set -i./dist/build diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..0c03bcc --- /dev/null +++ b/LICENSE @@ -0,0 +1,30 @@ +Copyright (c)2010, Alan Zimmerman + +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * Neither the name of Alan Zimmerman nor the names of other + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/README.md b/README.md new file mode 100644 index 0000000..3f4dad7 --- /dev/null +++ b/README.md @@ -0,0 +1,142 @@ +Parser for JavaScript +--------------------- + +[![Build Status](https://secure.travis-ci.org/alanz/language-javascript.png?branch=master)](http://travis-ci.org/alanz/language-javascript) + +Based (loosely) on language-python + +How to build +------------ + +Library: + + cabal clean && cabal configure && cabal build + +Tests: + + cabal clean && cabal configure -fbuildtests && cabal build + +Running the tests + + ./dist/build/runtests/runtests + + +To debug the grammar + + happy -iparse.txt -g -a -d src/Language/JavaScript/Parser/Grammar5.y + +This generates src/Language/JavaScript/Parser/Grammar.hs, delete this +when done with the debug version + + +UTF8/Unicode version +-------------------- + +Alex 3.0 now supports unicode natively, and has been included as a +dependency in the cabal file. + +Note: The generation of the lexical analyser has been separated out, + to remove the install-time dependency on Alex. If any changes + need to be made to the lexer, the Lexer.x source lies in + src-dev, and the runalex.sh script will invoke Alex with the + appropriate directories. + +Changes +------- + +``` +0.5.13 Put GHC 7.8.x -specific alex and happy versions, thanks + @simonmichael + +0.5.12 Put dependency on alex >= 3.0.5 in the cabal file, thanks @peti + +0.5.11 Remove pre-generated Lexer.hs as it does not work will all + versions of GHC. This means a current alex will have to be + installed before this package can be installed. + +0.5.10 Bring in alex 3.1.3, allowing compatibility with GHC 7.8 + +0.5.9 Relax array dependency for GHC 7.8.1, thanks @maoe + +0.5.8 Fixed compilation issue using GHC 7.6.3 on Mac OSX, thanks @albertov + +0.5.7 Remove the hs-source-dirs from test suite to prevent compilation + issues (@nomeata) + + Introduce parseFileUtf8 to explicitly use utf8 for parsing a + file, and update tests to use it where needed. Closes #21 + +0.5.6 Remove constraint on Alex 3.0.1, it is only required to make + changes to the lexer. Closes #19 + +0.5.5 Updated version ranges for GHC 7.6.1, courtesy of @mietek + Note: requires alex 3.0.1 for development (not install) + +0.5.4 Fixed bug where lexer switches to regexp mode after a ']' + char, reported by @aszlig + +0.5.3 Merge pull requests from @aszlig to add octal support, and to + allow leading zeros in exponents + +0.5.2 Merged pull request from @markwright added some missing test + files to the cabal file. + Added runalex.sh and Lexer.x to the cabal file. + +0.5.1 Export CommentAnnotation(..). Simplify AST by getting rid of + JSFunctionBody, JSSourceElements, JSStatementBlock, JSStatementList. + They are replaced by JSBlock or a simple list. + Also fix lexer mode in presence of whitespace. + Changed way tests are invoked, to allow Travis integration. + +0.5.0 Rework AST to allow full round-trip parsing and output of + JavaScript. Breaks AST compatibility with prior versions + +0.4.10 Moved Lexer.x into a separate directory, and made a script to + call alex to generate Lexer.hs. This means alex is not required + at install time + +0.4.9 Make alex and happy versions more explicit. Expose the AlexSpan + data type, so parse error positions can be reported. + +0.4.8 Close issue https://github.com/alanz/language-javascript/issues/5 by + correcting the lexical analyser for DecimalLiteral + +0.4.7 Continue ECMASCRIPT update, remove incorrect future reserved words for + "code", "mode", "of", "one", "or" and "strict", put in by accident/stupidity. + +0.4.6 Update to ECMASCRIPT 5.1 by allowing continuations in string literals + Include build dependencies on alex >= 3.0 and happy. + +0.4.5 Update cabal file and docs for Alex 3.0, giving out of the box unicode support + +0.4.4 Allow unicode characters in comments + +0.4.3 correct lexer for decimalToken, only leading digit needs to be non-zero. + +0.4.2 Expose SrcSpan + +0.4.1 Expose AST.Node as well. + +0.4.0 Updated JSNode to include location information, and made the parse more true to the original by leaving blocks as such, not replacing with ';'. + +0.3.0 ECMA-262 edition 5 compliance. Required adding JSFunctionExpression and JSPropertyAccessor to the AST. + +0.2.2 Heading toward compliance with edition 5. Trailing commas allowed in array literals too. + +0.2.1 Allow trailing comma in object literal + +0.2.0 ECMAScript 3 allows function expressions to have names, AST.JSFunctionExpression now reflects this + +0.1.0 Simplified AST by removing JSElement and JSElementList components + +0.0.3 Support for unicode in source. At the moment it only supports +UTF8 encoding, does not recognise byte order marks or UTF-16/UTF-32 + +0.0.2 Multiline comments were processed in greedy form, now end of +comment recognised properly. Thanks to Tony Morris for reporting this. + +0.0.1 Initial release +``` + +EOF + diff --git a/Setup.hs b/Setup.hs new file mode 100644 index 0000000..9a994af --- /dev/null +++ b/Setup.hs @@ -0,0 +1,2 @@ +import Distribution.Simple +main = defaultMain diff --git a/buildall.sh b/buildall.sh new file mode 100755 index 0000000..6964a41 --- /dev/null +++ b/buildall.sh @@ -0,0 +1,8 @@ +#!/bin/sh + +# First run alex on Lexer.x to generate Lexer.hs +#./runalex.sh + +# do a clean build of all, including the tests +#cabal clean && cabal configure -fbuildtests && cabal build && cabal haddock +cabal clean && cabal configure --enable-tests && cabal build && cabal test && cabal haddock diff --git a/language-javascript.cabal b/language-javascript.cabal new file mode 100644 index 0000000..eccf662 --- /dev/null +++ b/language-javascript.cabal @@ -0,0 +1,80 @@ +Name: language-javascript +Version: 0.5.13 +Synopsis: Parser for JavaScript +Description: Parses Javascript into an Abstract Syntax Tree (AST). Initially intended as frontend to hjsmin. + . + Note: Version 0.5.0 breaks compatibility with prior versions, the AST has been reworked to allow + round trip processing of JavaScript. +Homepage: https://github.com/alanz/language-javascript +License: BSD3 +License-file: LICENSE +Author: Alan Zimmerman +Maintainer: alan.zimm@gmail.com +Copyright: (c) 2010,2011,2012 Alan Zimmerman +Category: Language +Build-type: Simple +homepage: http://github.com/alanz/language-javascript +bug-reports: http://github.com/alanz/language-javascript/issues +Extra-source-files: README.md + .ghci + buildall.sh + test/Unicode.js + test/k.js + test/unicode.txt + -- runalex.sh + src/Language/JavaScript/Parser/Lexer.x + +-- Version requirement upped for test support in later Cabal +Cabal-version: >= 1.9.2 + + +Library + Build-depends: base >= 4 && < 5 + , array >= 0.3 && < 0.6 + , mtl >= 1.1 && < 2.9 + , containers >= 0.2 && < 0.6 + -- For the round trip output + , blaze-builder >= 0.2 && < 1 + , bytestring >= 0.9.1 && < 1 + , utf8-string >= 0.3.7 && < 1 + if impl(ghc >= 7.8) + build-tools: happy >= 1.19, alex >= 3.1 + else + build-tools: happy >= 1.18.5, alex >= 3.0.5 + hs-source-dirs: src + Exposed-modules: Language.JavaScript.Parser + Language.JavaScript.Parser.Parser + Language.JavaScript.Parser.Lexer + Language.JavaScript.Parser.Grammar5 + Language.JavaScript.Parser.AST + Language.JavaScript.Pretty.Printer + Language.JavaScript.Parser.SrcLocation + Other-modules: Language.JavaScript.Parser.LexerUtils + Language.JavaScript.Parser.ParseError + Language.JavaScript.Parser.ParserMonad + Language.JavaScript.Parser.StringEscape + Language.JavaScript.Parser.Token + ghc-options: -Wall + +Test-Suite test-language-javascript + Type: exitcode-stdio-1.0 + Main-is: runtests.hs + build-depends: base, Cabal >= 1.9.2 + , QuickCheck >= 2 && < 3 + , HUnit + , test-framework-hunit + , test-framework + , array >= 0.3 && < 0.6 + , utf8-light >= 0.4 && < 1.0 + , containers >= 0.2 && < 0.6 + , mtl >= 1.1 && < 2.9 + , utf8-string >= 0.3.7 && < 1 + , bytestring >= 0.9.1 && < 1 + , blaze-builder >= 0.2 && < 1 + -- need our own library for tests + , language-javascript >= 0.5.5 + + +source-repository head + type: git + location: git://github.com/alanz/language-javascript.git diff --git a/runtests.hs b/runtests.hs new file mode 100644 index 0000000..6f87fdd --- /dev/null +++ b/runtests.hs @@ -0,0 +1,793 @@ +module Main where + +import Test.Framework (defaultMain, testGroup, Test) +import Test.Framework.Providers.HUnit +import Test.HUnit hiding (Test) + + +import Control.Monad (liftM) +import Language.JavaScript.Parser.Parser +import Language.JavaScript.Parser +--import Language.JavaScript.Parser.Grammar +import Language.JavaScript.Parser.Grammar5 + +{- +import Distribution.TestSuite + +instance TestOptions (String, Bool) where + name = fst + options = const [] + defaultOptions _ = return (Options []) + check _ _ = [] + +instance PureTestable (String, Bool) where + run (name, result) _ | result == True = Pass + | result == False = Fail (name ++ " failed!") + +test :: (String, Bool) -> Test +test = pure +-} + +main :: IO () +main = defaultMain [testSuite,{- ++AZ++temporary++ commentSuite ,-}commentPrintSuite] + +one :: IO () +one = defaultMain [oneSuite] + +oneSuite :: Test +oneSuite = testGroup "One" + [ + testCase "ObjectLiteral7" (testProg "x={get foo() {return 1},set foo(a) {x=a}}" "") + ] + +testSuite :: Test +testSuite = testGroup "Parser" + [ + testCase "helloWorld" caseHelloWorld + , testCase "LiteralNull" (testLiteral "null" "Right (JSLiteral \"null\")") + , testCase "LiteralFalse" (testLiteral "false" "Right (JSLiteral \"false\")") + , testCase "LiteralTrue" (testLiteral "true" "Right (JSLiteral \"true\")") + , testCase "LiteralHexInteger1" (testLiteral "0x1234fF" "Right (JSHexInteger \"0x1234fF\")") + , testCase "LiteralHexInteger2" (testLiteral "0X1234fF" "Right (JSHexInteger \"0X1234fF\")") + , testCase "LiteralDecimal1" (testLiteral "1.0e4" "Right (JSDecimal \"1.0e4\")") + , testCase "LiteralDecimal2" (testLiteral "2.3E6" "Right (JSDecimal \"2.3E6\")") + , testCase "LiteralDecimal3" (testLiteral "4.5" "Right (JSDecimal \"4.5\")") + , testCase "LiteralDecimal3" (testLiteral "0.7e8" "Right (JSDecimal \"0.7e8\")") + , testCase "LiteralDecimal4" (testLiteral "0.7E8" "Right (JSDecimal \"0.7E8\")") + , testCase "LiteralDecimal5" (testLiteral "10" "Right (JSDecimal \"10\")") + , testCase "LiteralDecimal6" (testLiteral "0" "Right (JSDecimal \"0\")") + , testCase "LiteralDecimal7" (testLiteral "0.03" "Right (JSDecimal \"0.03\")") + , testCase "LiteralDecimal9" (testLiteral "0.7e+8" "Right (JSDecimal \"0.7e+8\")") + , testCase "LiteralDecimal10" (testLiteral "0.7e-18" "Right (JSDecimal \"0.7e-18\")") + , testCase "LiteralDecimal11" (testLiteral "1.0e+4" "Right (JSDecimal \"1.0e+4\")") + , testCase "LiteralDecimal12" (testLiteral "1.0e-4" "Right (JSDecimal \"1.0e-4\")") + , testCase "LiteralDecimal13" (testLiteral "1e18" "Right (JSDecimal \"1e18\")") + , testCase "LiteralDecimal14" (testLiteral "1e+18" "Right (JSDecimal \"1e+18\")") + , testCase "LiteralDecimal15" (testLiteral "1e-18" "Right (JSDecimal \"1e-18\")") + , testCase "LiteralDecimal16" (testLiteral "1E-01" "Right (JSDecimal \"1E-01\")") + + , testCase "LiteralOctal" (testLiteral "010" "Right (JSOctal \"010\")") + + , testCase "LiteralString1" (testLiteral "\"hello\\nworld\"" "Right (JSStringLiteral '\"' \"hello\\\\nworld\")") + , testCase "LiteralString2" (testLiteral "'hello\\nworld'" "Right (JSStringLiteral '\\'' \"hello\\\\nworld\")") + + , testCase "LiteralThis" (testPE "this" "Right (JSLiteral \"this\")") + + , testCase "LiteralRegex1" (testPE "/blah/" "Right (JSRegEx \"/blah/\")") + , testCase "LiteralRegex2" (testPE "/$/g" "Right (JSRegEx \"/$/g\")") + , testCase "LiteralRegex3" (testPE "/\\n/g" "Right (JSRegEx \"/\\\\n/g\")") + , testCase "LiteralRegex4" (testPE "/^\"(?:\\.|[^\"])*\"|^'(?:[^']|\\.)*'/" "Right (JSRegEx \"/^\\\"(?:\\\\.|[^\\\"])*\\\"|^'(?:[^']|\\\\.)*'/\")") + + + , testCase "Identifier1" (testPE "_$" "Right (JSIdentifier \"_$\")") + , testCase "Identifier2" (testPE "this_" "Right (JSIdentifier \"this_\")") + + , testCase "ArrayLiteral1" (testPE "[]" "Right (JSArrayLiteral [])") + , testCase "ArrayLiteral2" (testPE "[,]" "Right (JSArrayLiteral [JSElision JSLiteral \",\"])") + , testCase "ArrayLiteral3" (testPE "[,,]" "Right (JSArrayLiteral [JSElision JSLiteral \",\",JSElision JSLiteral \",\"])") + , testCase "ArrayLiteral4" (testPE "[,,x]" "Right (JSArrayLiteral [JSElision JSLiteral \",\",JSElision JSLiteral \",\",JSIdentifier \"x\"])") + , testCase "ArrayLiteral5" (testPE "[,,x]" "Right (JSArrayLiteral [JSElision JSLiteral \",\",JSElision JSLiteral \",\",JSIdentifier \"x\"])") + , testCase "ArrayLiteral6" (testPE "[,x,,x]" "Right (JSArrayLiteral [JSElision JSLiteral \",\",JSIdentifier \"x\",JSElision JSLiteral \",\",JSElision JSLiteral \",\",JSIdentifier \"x\"])") + , testCase "ArrayLiteral7" (testPE "[x]" "Right (JSArrayLiteral [JSIdentifier \"x\"])") + , testCase "ArrayLiteral8" (testPE "[x,]" "Right (JSArrayLiteral [JSIdentifier \"x\",JSLiteral \",\"])") + + , testCase "ObjectLiteral1" (testPE "{}" "Right (JSObjectLiteral [])") + , testCase "ObjectLiteral2" (testPE "{x:1}" "Right (JSObjectLiteral [JSPropertyNameandValue (JSIdentifier \"x\") [JSDecimal \"1\"]])") + , testCase "ObjectLiteral3" (testPE "{x:1,y:2}" "Right (JSObjectLiteral [JSPropertyNameandValue (JSIdentifier \"x\") [JSDecimal \"1\"],JSLiteral \",\",JSPropertyNameandValue (JSIdentifier \"y\") [JSDecimal \"2\"]])") + + , testCase "ObjectLiteral4" (testPE "{evaluate:evaluate,load:function load(s){if(x)return s;1}}" + "Right (JSObjectLiteral [JSPropertyNameandValue (JSIdentifier \"evaluate\") [JSIdentifier \"evaluate\"],JSLiteral \",\",JSPropertyNameandValue (JSIdentifier \"load\") [JSFunctionExpression [JSIdentifier \"load\"] [JSIdentifier \"s\"] (JSBlock ([JSIf (JSExpression [JSIdentifier \"x\"]) ([JSReturn [JSExpression [JSIdentifier \"s\"]] JSLiteral \";\"]) ([]),JSExpression [JSDecimal \"1\"]]))]])") + + , testCase "ObjectLiteral5" (testPE "{x:1,}" "Right (JSObjectLiteral [JSPropertyNameandValue (JSIdentifier \"x\") [JSDecimal \"1\"],JSLiteral \",\"])") + + , testCase "ObjectLiteral6" (testProg "a={\n values: 7,\n}\n" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"a\",JSOperator JSLiteral \"=\",JSObjectLiteral [JSPropertyNameandValue (JSIdentifier \"values\") [JSDecimal \"7\"],JSLiteral \",\"]],JSLiteral \"\"])") + + -- Edition 5 extensions + , testCase "ObjectLiteral7" (testProg "x={get foo() {return 1},set foo(a) {x=a}}" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSObjectLiteral [JSPropertyAccessor NT (JSLiteral \"get\") (TokenPn 3 1 4) [NoComment] (JSIdentifier \"foo\") [] (JSBlock ([JSReturn [JSExpression [JSDecimal \"1\"]] JSLiteral \"\"])),JSLiteral \",\",JSPropertyAccessor NT (JSLiteral \"set\") (TokenPn 24 1 25) [NoComment] (JSIdentifier \"foo\") [JSIdentifier \"a\"] (JSBlock ([JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSIdentifier \"a\"]]))]],JSLiteral \"\"])") + + , testCase "ObjectLiteral8" (testProg "a={if:1,interface:2}" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"a\",JSOperator JSLiteral \"=\",JSObjectLiteral [JSPropertyNameandValue (JSIdentifier \"if\") [JSDecimal \"1\"],JSLiteral \",\",JSPropertyNameandValue (JSIdentifier \"interface\") [JSDecimal \"2\"]]],JSLiteral \"\"])") + + , testCase "ExpressionParen" (testPE "(56)" "Right (JSExpressionParen (JSExpression [JSDecimal \"56\"]))") + + , testCase "Statement1" (testStmt "x" "Right (JSExpression [JSIdentifier \"x\"])") + , testCase "Statement2" (testStmt "null" "Right (JSExpression [JSLiteral \"null\"])") + , testCase "Statement3" (testStmt "true?1:2" "Right (JSExpression [JSExpressionTernary [JSLiteral \"true\"] [JSDecimal \"1\"] [JSDecimal \"2\"]])") + + , testCase "Statement4" (testStmt "x||y" "Right (JSExpression [JSExpressionBinary \"||\" [JSIdentifier \"x\"] [JSIdentifier \"y\"]])") + , testCase "Statement5" (testStmt "x&&y" "Right (JSExpression [JSExpressionBinary \"&&\" [JSIdentifier \"x\"] [JSIdentifier \"y\"]])") + , testCase "Statement6" (testStmt "x|y" "Right (JSExpression [JSExpressionBinary \"|\" [JSIdentifier \"x\"] [JSIdentifier \"y\"]])") + , testCase "Statement6" (testStmt "x^y" "Right (JSExpression [JSExpressionBinary \"^\" [JSIdentifier \"x\"] [JSIdentifier \"y\"]])") + , testCase "Statement7" (testStmt "x&y" "Right (JSExpression [JSExpressionBinary \"&\" [JSIdentifier \"x\"] [JSIdentifier \"y\"]])") + + , testCase "Statement8" (testStmt "x==y" "Right (JSExpression [JSExpressionBinary \"==\" [JSIdentifier \"x\"] [JSIdentifier \"y\"]])") + , testCase "Statement9" (testStmt "x!=y" "Right (JSExpression [JSExpressionBinary \"!=\" [JSIdentifier \"x\"] [JSIdentifier \"y\"]])") + , testCase "Statement10" (testStmt "x===y" "Right (JSExpression [JSExpressionBinary \"===\" [JSIdentifier \"x\"] [JSIdentifier \"y\"]])") + , testCase "Statement11" (testStmt "x!==y" "Right (JSExpression [JSExpressionBinary \"!==\" [JSIdentifier \"x\"] [JSIdentifier \"y\"]])") + + , testCase "Statement12" (testStmt "xy" "Right (JSExpression [JSExpressionBinary \">\" [JSIdentifier \"x\"] [JSIdentifier \"y\"]])") + , testCase "Statement12" (testStmt "x<=y" "Right (JSExpression [JSExpressionBinary \"<=\" [JSIdentifier \"x\"] [JSIdentifier \"y\"]])") + , testCase "Statement12" (testStmt "x>=y" "Right (JSExpression [JSExpressionBinary \">=\" [JSIdentifier \"x\"] [JSIdentifier \"y\"]])") + -- , testCase "Statement12" (testStmt "x instanceof y" "") -- TODO: restore test case + + , testCase "Statement13" (testStmt "x<>y" "Right (JSExpression [JSExpressionBinary \">>\" [JSIdentifier \"x\"] [JSIdentifier \"y\"]])") + , testCase "Statement13" (testStmt "x>>>y" "Right (JSExpression [JSExpressionBinary \">>>\" [JSIdentifier \"x\"] [JSIdentifier \"y\"]])") + + , testCase "Statement14" (testStmt "x+y" "Right (JSExpression [JSExpressionBinary \"+\" [JSIdentifier \"x\"] [JSIdentifier \"y\"]])") + , testCase "Statement14" (testStmt "x-y" "Right (JSExpression [JSExpressionBinary \"-\" [JSIdentifier \"x\"] [JSIdentifier \"y\"]])") + + , testCase "Statement15" (testStmt "x*y" "Right (JSExpression [JSExpressionBinary \"*\" [JSIdentifier \"x\"] [JSIdentifier \"y\"]])") + , testCase "Statement16" (testStmt "x/y" "Right (JSExpression [JSExpressionBinary \"/\" [JSIdentifier \"x\"] [JSIdentifier \"y\"]])") + , testCase "Statement17" (testStmt "x%y" "Right (JSExpression [JSExpressionBinary \"%\" [JSIdentifier \"x\"] [JSIdentifier \"y\"]])") + + , testCase "Statement18" (testStmt "delete y" "Right (JSExpression [JSUnary \"delete \",JSIdentifier \"y\"])") + , testCase "Statement19" (testStmt "void y" "Right (JSExpression [JSUnary \"void \",JSIdentifier \"y\"])") + , testCase "Statement20" (testStmt "typeof y" "Right (JSExpression [JSUnary \"typeof \",JSIdentifier \"y\"])") + , testCase "Statement21" (testStmt "++y" "Right (JSExpression [JSUnary \"++\",JSIdentifier \"y\"])") + , testCase "Statement22" (testStmt "--y" "Right (JSExpression [JSUnary \"--\",JSIdentifier \"y\"])") + , testCase "Statement23" (testStmt "+y" "Right (JSExpression [JSUnary \"+\",JSIdentifier \"y\"])") + , testCase "Statement24" (testStmt "-y" "Right (JSExpression [JSUnary \"-\",JSIdentifier \"y\"])") + , testCase "Statement25" (testStmt "~y" "Right (JSExpression [JSUnary \"~\",JSIdentifier \"y\"])") + , testCase "Statement26" (testStmt "!y" "Right (JSExpression [JSUnary \"!\",JSIdentifier \"y\"])") + + , testCase "Statement27" (testStmt "y++" "Right (JSExpression [JSExpressionPostfix \"++\" [JSIdentifier \"y\"]])") + , testCase "Statement28" (testStmt "y--" "Right (JSExpression [JSExpressionPostfix \"--\" [JSIdentifier \"y\"]])") + + -- Member Expressions + , testCase "MemberExpression1a" (testStmt "function(){}" "Right (JSExpression [JSFunctionExpression [] [] (JSBlock ([]))])") + , testCase "MemberExpression1b" (testStmt "function(a){}" "Right (JSExpression [JSFunctionExpression [] [JSIdentifier \"a\"] (JSBlock ([]))])") + , testCase "MemberExpression1c" (testStmt "function(a,b){}" "Right (JSExpression [JSFunctionExpression [] [JSIdentifier \"a\",JSLiteral \",\",JSIdentifier \"b\"] (JSBlock ([]))])") + + , testCase "MemberExpression1d" (testStmt "x[y]" "Right (JSExpression [JSMemberSquare [JSIdentifier \"x\"] (JSExpression [JSIdentifier \"y\"])])") + , testCase "MemberExpression1e" (testStmt "x[y][z]" "Right (JSExpression [JSMemberSquare [JSMemberSquare [JSIdentifier \"x\"] (JSExpression [JSIdentifier \"y\"])] (JSExpression [JSIdentifier \"z\"])])") + , testCase "MemberExpression1f" (testStmt "x.y" "Right (JSExpression [JSMemberDot [JSIdentifier \"x\"] (JSIdentifier \"y\")])") + , testCase "MemberExpression1g" (testStmt "x.y.z" "Right (JSExpression [JSMemberDot [JSMemberDot [JSIdentifier \"x\"] (JSIdentifier \"y\")] (JSIdentifier \"z\")])") + + , testCase "MemberExpression1h" (testStmt "new x()" "Right (JSExpression [JSLiteral \"new\",JSIdentifier \"x\",JSArguments []])") + + , testCase "NewExpression1" (testStmt "new x.y" "Right (JSExpression [JSLiteral \"new\",JSMemberDot [JSIdentifier \"x\"] (JSIdentifier \"y\")])") + + , testCase "CallExpression1" (testStmt "x()" "Right (JSExpression [JSIdentifier \"x\",JSArguments []])") + , testCase "CallExpression2" (testStmt "x()()" "Right (JSExpression [JSIdentifier \"x\",JSArguments [],JSCallExpression \"()\" [JSArguments []]])") + , testCase "CallExpression3" (testStmt "x()[4]" "Right (JSExpression [JSIdentifier \"x\",JSArguments [],JSCallExpression \"[]\" [JSExpression [JSDecimal \"4\"]]])") + , testCase "CallExpression4" (testStmt "x().x" "Right (JSExpression [JSIdentifier \"x\",JSArguments [],JSCallExpression \".\" [JSIdentifier \"x\"]])") + , testCase "CallExpression5" (testStmt "x(a,b=2).x" "Right (JSExpression [JSIdentifier \"x\",JSArguments [JSIdentifier \"a\",JSLiteral \",\",JSIdentifier \"b\",JSOperator JSLiteral \"=\",JSDecimal \"2\"],JSCallExpression \".\" [JSIdentifier \"x\"]])") + + , testCase "AssignExpression1" (testStmt "x=1" "Right (JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSDecimal \"1\"])") + , testCase "AssignExpression2" (testStmt "x*=1" "Right (JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"*=\",JSDecimal \"1\"])") + , testCase "AssignExpression3" (testStmt "x/=1" "Right (JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"/=\",JSDecimal \"1\"])") + , testCase "AssignExpression4" (testStmt "x%=1" "Right (JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"%=\",JSDecimal \"1\"])") + , testCase "AssignExpression5" (testStmt "x+=1" "Right (JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"+=\",JSDecimal \"1\"])") + , testCase "AssignExpression6" (testStmt "x-=1" "Right (JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"-=\",JSDecimal \"1\"])") + , testCase "AssignExpression7" (testStmt "x<<=1" "Right (JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"<<=\",JSDecimal \"1\"])") + , testCase "AssignExpression8" (testStmt "x>>=1" "Right (JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \">>=\",JSDecimal \"1\"])") + , testCase "AssignExpression9" (testStmt "x>>>=1" "Right (JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \">>>=\",JSDecimal \"1\"])") + , testCase "AssignExpression10" (testStmt "x&=1" "Right (JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"&=\",JSDecimal \"1\"])") + , testCase "AssignExpression11" (testStmt "x^=1" "Right (JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"^=\",JSDecimal \"1\"])") + , testCase "AssignExpression12" (testStmt "x|=1" "Right (JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"|=\",JSDecimal \"1\"])") + + + , testCase "Block1" (testStmt "{}" "Right (JSBlock ([]))") + , testCase "Block2" (testStmt "{x=1}" "Right (JSBlock ([JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSDecimal \"1\"]]))") + , testCase "Block3" (testStmt "{x=1;y=2}" "Right (JSBlock ([JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSDecimal \"1\"],JSLiteral \";\",JSExpression [JSIdentifier \"y\",JSOperator JSLiteral \"=\",JSDecimal \"2\"]]))") + , testCase "Block4" (testStmt "{{}}" "Right (JSBlock ([JSBlock ([])]))") + , testCase "Block5" (testStmt "{{{}}}" "Right (JSBlock ([JSBlock ([JSBlock ([])])]))") + + , testCase "If1" (testStmt "if (1) {}" "Right (JSIf (JSExpression [JSDecimal \"1\"]) ([JSBlock ([])]) ([]))") + + , testCase "IfElse1" (testStmt "if (1) {} else {}" "Right (JSIf (JSExpression [JSDecimal \"1\"]) ([JSBlock ([])]) ([JSLiteral \"else\",JSBlock ([])]))") + , testCase "IfElse2" (testStmt "if (1) x=1; else {}" "Right (JSIf (JSExpression [JSDecimal \"1\"]) ([JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSDecimal \"1\"],JSLiteral \";\"]) ([JSLiteral \"else\",JSBlock ([])]))") + + , testCase "DoWhile1" (testStmt "do {x=1} while (true);" "Right (JSDoWhile (JSBlock ([JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSDecimal \"1\"]])) (JSExpression [JSLiteral \"true\"]) (JSLiteral \";\"))") + , testCase "While1" (testStmt "while(true);" "Right (JSWhile (JSExpression [JSLiteral \"true\"]) (JSLiteral \";\"))") + + , testCase "For1" (testStmt "for(;;);" "Right (JSFor [] [] [] (JSLiteral \";\"))") + , testCase "For2" (testStmt "for(x=1;x<10;x++);" "Right (JSFor [JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSDecimal \"1\"]] [JSExpression [JSExpressionBinary \"<\" [JSIdentifier \"x\"] [JSDecimal \"10\"]]] [JSExpression [JSExpressionPostfix \"++\" [JSIdentifier \"x\"]]] (JSLiteral \";\"))") + + , testCase "ForVar1" (testStmt "for(var x;;);" "Right (JSForVar [JSVarDecl (JSIdentifier \"x\") []] [] [] (JSLiteral \";\"))") + , testCase "ForVar2a" (testStmt "for(var x=1;;);" "Right (JSForVar [JSVarDecl (JSIdentifier \"x\") [JSLiteral \"=\",JSDecimal \"1\"]] [] [] (JSLiteral \";\"))") + , testCase "ForVar2b" (testStmt "for(var x;y;z){}" "Right (JSForVar [JSVarDecl (JSIdentifier \"x\") []] [JSExpression [JSIdentifier \"y\"]] [JSExpression [JSIdentifier \"z\"]] (JSBlock ([])))") + + , testCase "ForIn1" (testStmt "for(x in 5){}" "Right (JSForIn [JSIdentifier \"x\"] (JSExpression [JSDecimal \"5\"]) (JSBlock ([])))") + + , testCase "ForVarIn1" (testStmt "for(var x in 5){}" "Right (JSForVarIn (JSVarDecl (JSIdentifier \"x\") []) (JSExpression [JSDecimal \"5\"]) (JSBlock ([])))") + + , testCase "Var1" (testStmt "var x=1;" "Right (JSVariables JSLiteral \"var\" [JSVarDecl (JSIdentifier \"x\") [JSLiteral \"=\",JSDecimal \"1\"]])") + , testCase "Var2" (testStmt "const x=1,y=2;" "Right (JSVariables JSLiteral \"const\" [JSVarDecl (JSIdentifier \"x\") [JSLiteral \"=\",JSDecimal \"1\"],JSLiteral \",\",JSVarDecl (JSIdentifier \"y\") [JSLiteral \"=\",JSDecimal \"2\"]])") + + , testCase "Continue1" (testStmt "continue;" "Right (JSContinue [] JSLiteral \";\")") + , testCase "Continue2" (testStmt "continue x;" "Right (JSContinue [JSIdentifier \"x\"] JSLiteral \";\")") + + , testCase "Break1" (testStmt "break;" "Right (JSBreak [] JSLiteral \";\")") + , testCase "Break2" (testStmt "break x;" "Right (JSBreak [JSIdentifier \"x\"] JSLiteral \";\")") + + , testCase "Return1" (testStmt "return;" "Right (JSReturn [] JSLiteral \";\")") + , testCase "Return2" (testStmt "return x;" "Right (JSReturn [JSExpression [JSIdentifier \"x\"]] JSLiteral \";\")") + + , testCase "With1" (testStmt "with (x) {};" "Right (JSWith (JSExpression [JSIdentifier \"x\"]) [JSBlock ([]),JSLiteral \";\"])") + + , testCase "Labelled1" (testStmt "abc:x=1" "Right (JSLabelled (JSIdentifier \"abc\") (JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSDecimal \"1\"]))") + + , testCase "Switch1" (testStmt "switch (x) {}" "Right (JSSwitch (JSExpression [JSIdentifier \"x\"]) JSBlock ([JSLiteral \"\"]))") + , testCase "Switch2" (testStmt "switch (x) {case 1:break;}" "Right (JSSwitch (JSExpression [JSIdentifier \"x\"]) JSBlock ([JSCase (JSExpression [JSDecimal \"1\"]) ([JSBreak [] JSLiteral \";\"])]))") + , testCase "Switch3" (testStmt "switch (x) {case 0:\ncase 1:break;}" "Right (JSSwitch (JSExpression [JSIdentifier \"x\"]) JSBlock ([JSCase (JSExpression [JSDecimal \"0\"]) ([]),JSCase (JSExpression [JSDecimal \"1\"]) ([JSBreak [] JSLiteral \";\"])]))") + , testCase "Switch4" (testStmt "switch (x) {default:break;}" "Right (JSSwitch (JSExpression [JSIdentifier \"x\"]) JSBlock ([JSLiteral \"\",JSDefault ([JSBreak [] JSLiteral \";\"]),JSLiteral \"\"]))") + , testCase "Switch5" (testStmt "switch (x) {default:\ncase 1:break;}" "Right (JSSwitch (JSExpression [JSIdentifier \"x\"]) JSBlock ([JSLiteral \"\",JSDefault ([]),JSCase (JSExpression [JSDecimal \"1\"]) ([JSBreak [] JSLiteral \";\"])]))") + + , testCase "Throw1" (testStmt "throw 1" "Right (JSThrow (JSExpression [JSDecimal \"1\"]))") + + , testCase "Try1" (testStmt "try{}catch(a){}" "Right (JSTry (JSBlock ([])) [JSCatch (JSIdentifier \"a\") [] (JSBlock ([]))])") + , testCase "Try2" (testStmt "try{}finally{}" "Right (JSTry (JSBlock ([])) [JSFinally (JSBlock ([]))])") + , testCase "Try3" (testStmt "try{}catch(a){}finally{}" "Right (JSTry (JSBlock ([])) [JSCatch (JSIdentifier \"a\") [] (JSBlock ([])),JSFinally (JSBlock ([]))])") + + , testCase "Try4" (testStmt "try{}catch(a){}catch(b){}finally{}" "Right (JSTry (JSBlock ([])) [JSCatch (JSIdentifier \"a\") [] (JSBlock ([])),JSCatch (JSIdentifier \"b\") [] (JSBlock ([])),JSFinally (JSBlock ([]))])") + , testCase "Try5" (testStmt "try{}catch(a){}catch(b){}" "Right (JSTry (JSBlock ([])) [JSCatch (JSIdentifier \"a\") [] (JSBlock ([])),JSCatch (JSIdentifier \"b\") [] (JSBlock ([]))])") + , testCase "Try6" (testStmt "try{}catch(a if true){}catch(b){}" "Right (JSTry (JSBlock ([])) [JSCatch (JSIdentifier \"a\") [JSLiteral \"if\",JSLiteral \"true\"] (JSBlock ([])),JSCatch (JSIdentifier \"b\") [] (JSBlock ([]))])") + + , testCase "Function1" (testProg "function a(){}" "Right (JSSourceElementsTop [JSFunction (JSIdentifier \"a\") [] (JSBlock ([])),JSLiteral \"\"])") + , testCase "Function2" (testProg "function a(b,c){}" "Right (JSSourceElementsTop [JSFunction (JSIdentifier \"a\") [JSIdentifier \"b\",JSLiteral \",\",JSIdentifier \"c\"] (JSBlock ([])),JSLiteral \"\"])") + + , testCase "Comment1" (testProg "//blah\nx=1;//foo\na" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSDecimal \"1\"],JSLiteral \";\",JSExpression [JSIdentifier \"a\"],JSLiteral \"\"])") + + , testCase "Comment2" (testProg "/*x=1\ny=2\n*/z=2;//foo\na" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"z\",JSOperator JSLiteral \"=\",JSDecimal \"2\"],JSLiteral \";\",JSExpression [JSIdentifier \"a\"],JSLiteral \"\"])") + + , testCase "min_100_animals1" (testProg "function Animal(name){if(!name)throw new Error('Must specify an animal name');this.name=name};Animal.prototype.toString=function(){return this.name};o=new Animal(\"bob\");o.toString()==\"bob\"" + "Right (JSSourceElementsTop [JSFunction (JSIdentifier \"Animal\") [JSIdentifier \"name\"] (JSBlock ([JSIf (JSExpression [JSUnary \"!\",JSIdentifier \"name\"]) ([JSThrow (JSExpression [JSLiteral \"new\",JSIdentifier \"Error\",JSArguments [JSStringLiteral '\\'' \"Must specify an animal name\"]]),JSLiteral \";\"]) ([]),JSExpression [JSMemberDot [JSLiteral \"this\"] (JSIdentifier \"name\"),JSOperator JSLiteral \"=\",JSIdentifier \"name\"]])),JSLiteral \";\",JSExpression [JSMemberDot [JSMemberDot [JSIdentifier \"Animal\"] (JSIdentifier \"prototype\")] (JSIdentifier \"toString\"),JSOperator JSLiteral \"=\",JSFunctionExpression [] [] (JSBlock ([JSReturn [JSExpression [JSMemberDot [JSLiteral \"this\"] (JSIdentifier \"name\")]] JSLiteral \"\"]))],JSLiteral \";\",JSExpression [JSIdentifier \"o\",JSOperator JSLiteral \"=\",JSLiteral \"new\",JSIdentifier \"Animal\",JSArguments [JSStringLiteral '\"' \"bob\"]],JSLiteral \";\",JSExpression [JSExpressionBinary \"==\" [JSMemberDot [JSIdentifier \"o\"] (JSIdentifier \"toString\"),JSArguments []] [JSStringLiteral '\"' \"bob\"]],JSLiteral \"\"])") + + , testCase "min_100_animals2" (testProg "Animal=function(){return this.name};" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"Animal\",JSOperator JSLiteral \"=\",JSFunctionExpression [] [] (JSBlock ([JSReturn [JSExpression [JSMemberDot [JSLiteral \"this\"] (JSIdentifier \"name\")]] JSLiteral \"\"]))],JSLiteral \";\",JSLiteral \"\"])") + + , testCase "min_100_animals3" (testProg "if(a)x=1;y=2" "Right (JSSourceElementsTop [JSIf (JSExpression [JSIdentifier \"a\"]) ([JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSDecimal \"1\"],JSLiteral \";\"]) ([]),JSExpression [JSIdentifier \"y\",JSOperator JSLiteral \"=\",JSDecimal \"2\"],JSLiteral \"\"])") + + , testCase "min_100_animals4" (testProg "if(a)x=a()y=2" "Right (JSSourceElementsTop [JSIf (JSExpression [JSIdentifier \"a\"]) ([JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSIdentifier \"a\",JSArguments []]]) ([]),JSExpression [JSIdentifier \"y\",JSOperator JSLiteral \"=\",JSDecimal \"2\"],JSLiteral \"\"])") + + , testCase "05_regex" (testProg "newlines=spaces.match(/\\n/g)" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"newlines\",JSOperator JSLiteral \"=\",JSMemberDot [JSIdentifier \"spaces\"] (JSIdentifier \"match\"),JSArguments [JSRegEx \"/\\\\n/g\"]],JSLiteral \"\"])") + + , testCase "05_regex2" (testProg "x=/\\n/g" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSRegEx \"/\\\\n/g\"],JSLiteral \"\"])") + + , testCase "05_regex3" (testProg "x=i(/[?|^&(){}\\[\\]+\\-*\\/\\.]/g,\"\\\\$&\")" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSIdentifier \"i\",JSArguments [JSRegEx \"/[?|^&(){}\\\\[\\\\]+\\\\-*\\\\/\\\\.]/g\",JSLiteral \",\",JSStringLiteral '\"' \"\\\\\\\\$&\"]],JSLiteral \"\"])") + + , testCase "05_regex4" (testProg "x=i(/^$/g,\"\\\\$&\")" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSIdentifier \"i\",JSArguments [JSRegEx \"/^$/g\",JSLiteral \",\",JSStringLiteral '\"' \"\\\\\\\\$&\"]],JSLiteral \"\"])") + + , testCase "05_regex5" (testProg "if(/^[a-z]/.test(t)){consts+=t.toUpperCase();keywords[t]=i}else consts+=(/^\\W/.test(t)?opTypeNames[t]:t);" + "Right (JSSourceElementsTop [JSIf (JSExpression [JSMemberDot [JSRegEx \"/^[a-z]/\"] (JSIdentifier \"test\"),JSArguments [JSIdentifier \"t\"]]) ([JSBlock ([JSExpression [JSIdentifier \"consts\",JSOperator JSLiteral \"+=\",JSMemberDot [JSIdentifier \"t\"] (JSIdentifier \"toUpperCase\"),JSArguments []],JSLiteral \";\",JSExpression [JSMemberSquare [JSIdentifier \"keywords\"] (JSExpression [JSIdentifier \"t\"]),JSOperator JSLiteral \"=\",JSIdentifier \"i\"]])]) ([JSLiteral \"else\",JSExpression [JSIdentifier \"consts\",JSOperator JSLiteral \"+=\",JSExpressionParen (JSExpression [JSExpressionTernary [JSMemberDot [JSRegEx \"/^\\\\W/\"] (JSIdentifier \"test\"),JSArguments [JSIdentifier \"t\"]] [JSMemberSquare [JSIdentifier \"opTypeNames\"] (JSExpression [JSIdentifier \"t\"])] [JSIdentifier \"t\"]])]]),JSLiteral \";\",JSLiteral \"\"])") + + , testCase "if_semi" (testProg "if(x);x=1" "Right (JSSourceElementsTop [JSIf (JSExpression [JSIdentifier \"x\"]) ([JSLiteral \";\"]) ([]),JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSDecimal \"1\"],JSLiteral \"\"])") + + , testCase "67_bob" (testProg "(match = /^\"(?:\\\\.|[^\"])*\"|^'(?:[^']|\\\\.)*'/(input))" "Right (JSSourceElementsTop [JSExpression [JSExpressionParen (JSExpression [JSIdentifier \"match\",JSOperator JSLiteral \"=\",JSRegEx \"/^\\\"(?:\\\\\\\\.|[^\\\"])*\\\"|^'(?:[^']|\\\\\\\\.)*'/\",JSArguments [JSIdentifier \"input\"]])],JSLiteral \"\"])") + + , testCase "122_jsexec" (testProg "v = getValue(execute(n[0], x)) in getValue(execute(n[1], x));" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"v\",JSOperator JSLiteral \"=\",JSExpressionBinary \" in \" [JSIdentifier \"getValue\",JSArguments [JSIdentifier \"execute\",JSArguments [JSMemberSquare [JSIdentifier \"n\"] (JSExpression [JSDecimal \"0\"]),JSLiteral \",\",JSIdentifier \"x\"]]] [JSIdentifier \"getValue\",JSArguments [JSIdentifier \"execute\",JSArguments [JSMemberSquare [JSIdentifier \"n\"] (JSExpression [JSDecimal \"1\"]),JSLiteral \",\",JSIdentifier \"x\"]]]],JSLiteral \";\",JSLiteral \"\"])") + + , testCase "bug1a" (testProg "/* */\nfunction f() {\n/* */\n}\n" "Right (JSSourceElementsTop [JSFunction (JSIdentifier \"f\") [] (JSBlock ([])),JSLiteral \"\"])") + , testCase "bug1b" (testProg "/* **/\nfunction f() {\n/* */\n}\n" "Right (JSSourceElementsTop [JSFunction (JSIdentifier \"f\") [] (JSBlock ([])),JSLiteral \"\"])") + + , testCase "unicode1-ws" (testProg "a \f\v\t\r\n=\x00a0\x1680\x180e\x2000\x2001\x2002\x2003\x2004\x2005\x2006\x2007\x2008\x2009\x200a\x2028\x2029\x202f\x205f\x3000\&1;" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"a\",JSOperator JSLiteral \"=\",JSDecimal \"1\"],JSLiteral \";\",JSLiteral \"\"])") + + , testCase "unicode2-lt" (testProg "//comment\x000Ax=1;" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSDecimal \"1\"],JSLiteral \";\",JSLiteral \"\"])") + , testCase "unicode3-lt" (testProg "//comment\x000Dx=1;" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSDecimal \"1\"],JSLiteral \";\",JSLiteral \"\"])") + , testCase "unicode4-lt" (testProg "//comment\x2028x=1;" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSDecimal \"1\"],JSLiteral \";\",JSLiteral \"\"])") + , testCase "unicode5-lt" (testProg "//comment\x2029x=1;" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSDecimal \"1\"],JSLiteral \";\",JSLiteral \"\"])") + + , testCase "unicode2" (testProg "àáâãäå = 1;" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"\\224\\225\\226\\227\\228\\229\",JSOperator JSLiteral \"=\",JSDecimal \"1\"],JSLiteral \";\",JSLiteral \"\"])") + + , testCase "unicode3" (testProg "$aà = 1;_b=2;\0065a=2" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"$a\\224\",JSOperator JSLiteral \"=\",JSDecimal \"1\"],JSLiteral \";\",JSExpression [JSIdentifier \"_b\",JSOperator JSLiteral \"=\",JSDecimal \"2\"],JSLiteral \";\",JSExpression [JSIdentifier \"Aa\",JSOperator JSLiteral \"=\",JSDecimal \"2\"],JSLiteral \"\"])") + + , testCase "unicode4" (testProg "x=\"àáâãäå\";y='\3012a\0068'" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSStringLiteral '\"' \"\\224\\225\\226\\227\\228\\229\"],JSLiteral \";\",JSExpression [JSIdentifier \"y\",JSOperator JSLiteral \"=\",JSStringLiteral '\\'' \"\\3012aD\"],JSLiteral \"\"])") + + , testCase "unicode5f" (testFileUtf8 "./test/Unicode.js" "JSSourceElementsTop [JSExpression [JSIdentifier \"\\224\\225\\226\\227\\228\\229\",JSOperator JSLiteral \"=\",JSDecimal \"1\"],JSLiteral \";\",JSLiteral \"\"]") + + , testCase "bug2.a" (testProg "function() {\nz = function /*z*/(o) {\nreturn r;\n};}" "Right (JSSourceElementsTop [JSExpression [JSFunctionExpression [] [] (JSBlock ([JSExpression [JSIdentifier \"z\",JSOperator JSLiteral \"=\",JSFunctionExpression [] [JSIdentifier \"o\"] (JSBlock ([JSReturn [JSExpression [JSIdentifier \"r\"]] JSLiteral \";\"]))],JSLiteral \";\"]))],JSLiteral \"\"])") + + , testCase "bug2.b" (testProg "function() {\nz = function z(o) {\nreturn r;\n};}" "Right (JSSourceElementsTop [JSExpression [JSFunctionExpression [] [] (JSBlock ([JSExpression [JSIdentifier \"z\",JSOperator JSLiteral \"=\",JSFunctionExpression [JSIdentifier \"z\"] [JSIdentifier \"o\"] (JSBlock ([JSReturn [JSExpression [JSIdentifier \"r\"]] JSLiteral \";\"]))],JSLiteral \";\"]))],JSLiteral \"\"])") + + -- https://github.com/alanz/hjsmin/issues/#issue/3 + , testCase "bug3" (testProg "var myLatlng = new google.maps.LatLng(56.8379100, 60.5806664);" "Right (JSSourceElementsTop [JSVariables JSLiteral \"var\" [JSVarDecl (JSIdentifier \"myLatlng\") [JSLiteral \"=\",JSLiteral \"new\",JSMemberDot [JSMemberDot [JSIdentifier \"google\"] (JSIdentifier \"maps\")] (JSIdentifier \"LatLng\"),JSArguments [JSDecimal \"56.8379100\",JSLiteral \",\",JSDecimal \"60.5806664\"]]],JSLiteral \"\"])") + + -- https://github.com/alanz/hjsmin/issues/#issue/4 + , testCase "bug4" (testProg "/* * geolocation. пытаемся определить свое местоположение * если не получается то используем defaultLocation * @Param {object} map экземпляр карты * @Param {object LatLng} defaultLocation Координаты центра по умолчанию * @Param {function} callbackAfterLocation Фу-ия которая вызывается после * геолокации. Т.к запрос геолокации асинхронен */x" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"x\"],JSLiteral \"\"])") + + + + , testCase "02_sm.js" (testProg "{zero}\none1;two\n{three\nfour;five;\n{\nsix;{seven;}\n}\n}" "Right (JSSourceElementsTop [JSBlock ([JSExpression [JSIdentifier \"zero\"]]),JSExpression [JSIdentifier \"one1\"],JSLiteral \";\",JSExpression [JSIdentifier \"two\"],JSBlock ([JSExpression [JSIdentifier \"three\"],JSExpression [JSIdentifier \"four\"],JSLiteral \";\",JSExpression [JSIdentifier \"five\"],JSLiteral \";\",JSBlock ([JSExpression [JSIdentifier \"six\"],JSLiteral \";\",JSBlock ([JSExpression [JSIdentifier \"seven\"],JSLiteral \";\"])])]),JSLiteral \"\"])") + + , testCase "02_sm.js.2" (testProg "{zero}\nget;two\n{three\nfour;set;\n{\nsix;{seven;}\n}\n}" "Right (JSSourceElementsTop [JSBlock ([JSExpression [JSIdentifier \"zero\"]]),JSExpression [JSIdentifier \"get\"],JSLiteral \";\",JSExpression [JSIdentifier \"two\"],JSBlock ([JSExpression [JSIdentifier \"three\"],JSExpression [JSIdentifier \"four\"],JSLiteral \";\",JSExpression [JSIdentifier \"set\"],JSLiteral \";\",JSBlock ([JSExpression [JSIdentifier \"six\"],JSLiteral \";\",JSBlock ([JSExpression [JSIdentifier \"seven\"],JSLiteral \";\"])])]),JSLiteral \"\"])") + + , testCase "loc1" (testProgUn "x = 1\n y=2;" "Right (NN (JSSourceElementsTop [NN (JSExpression [NT (JSIdentifier \"x\") (TokenPn 0 1 1) [NoComment],NN (JSOperator (NT (JSLiteral \"=\") (TokenPn 2 1 3) [WhiteSpace (TokenPn 1 1 2) \" \"])),NT (JSDecimal \"1\") (TokenPn 4 1 5) [WhiteSpace (TokenPn 3 1 4) \" \"]]),NN (JSExpression [NT (JSIdentifier \"y\") (TokenPn 8 2 3) [WhiteSpace (TokenPn 5 1 6) \"\\n \"],NN (JSOperator (NT (JSLiteral \"=\") (TokenPn 9 2 4) [NoComment])),NT (JSDecimal \"2\") (TokenPn 10 2 5) [NoComment]]),NT (JSLiteral \";\") (TokenPn 11 2 6) [NoComment],NT (JSLiteral \"\") (TokenPn 0 0 0) [NoComment]]))") + + -- https://github.com/alanz/language-javascript/issues/2 + , testCase "issue2" (testProg "var img = document.createElement('img');\nimg.src = \"mylogo.jpg\";\n$(img).click(function() {\n alert('clicked!');\n});" "Right (JSSourceElementsTop [JSVariables JSLiteral \"var\" [JSVarDecl (JSIdentifier \"img\") [JSLiteral \"=\",JSMemberDot [JSIdentifier \"document\"] (JSIdentifier \"createElement\"),JSArguments [JSStringLiteral '\\'' \"img\"]]],JSExpression [JSMemberDot [JSIdentifier \"img\"] (JSIdentifier \"src\"),JSOperator JSLiteral \"=\",JSStringLiteral '\"' \"mylogo.jpg\"],JSLiteral \";\",JSExpression [JSIdentifier \"$\",JSArguments [JSIdentifier \"img\"],JSCallExpression \".\" [JSIdentifier \"click\"],JSCallExpression \"()\" [JSArguments [JSFunctionExpression [] [] (JSBlock ([JSExpression [JSIdentifier \"alert\",JSArguments [JSStringLiteral '\\'' \"clicked!\"]],JSLiteral \";\"]))]]],JSLiteral \";\",JSLiteral \"\"])") + + + -- Working in ECMASCRIPT 5.1 changes + , testCase "lineTerminatorInString1" (testProg "x='abc\\\ndef';" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSStringLiteral '\\'' \"abc\\\\\\ndef\"],JSLiteral \";\",JSLiteral \"\"])") + , testCase "lineTerminatorInString2" (testProg "x=\"abc\\\ndef\";" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSStringLiteral '\"' \"abc\\\\\\ndef\"],JSLiteral \";\",JSLiteral \"\"])") + , testCase "lineTerminatorInString3" (testProg "x=\"abc\\\rdef\";" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSStringLiteral '\"' \"abc\\\\\\rdef\"],JSLiteral \";\",JSLiteral \"\"])") + , testCase "lineTerminatorInString4" (testProg "x=\"abc\\\x2028 def\";" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSStringLiteral '\"' \"abc\\\\\\8232 def\"],JSLiteral \";\",JSLiteral \"\"])") + , testCase "lineTerminatorInString5" (testProg "x=\"abc\\\x2029 def\";" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSStringLiteral '\"' \"abc\\\\\\8233 def\"],JSLiteral \";\",JSLiteral \"\"])") + , testCase "lineTerminatorInString6" (testProg "x=\"abc\\\r\ndef\";" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSStringLiteral '\"' \"abc\\\\\\r\\ndef\"],JSLiteral \";\",JSLiteral \"\"])") + + + -- https://github.com/alanz/language-javascript/issues/4 + , testCase "issue4ok" (testProg "var k = {\ny: somename\n}" "Right (JSSourceElementsTop [JSVariables JSLiteral \"var\" [JSVarDecl (JSIdentifier \"k\") [JSLiteral \"=\",JSObjectLiteral [JSPropertyNameandValue (JSIdentifier \"y\") [JSIdentifier \"somename\"]]]],JSLiteral \"\"])") + , testCase "issue4bug1" (testProg "var k = {\ny: code\n}" "Right (JSSourceElementsTop [JSVariables JSLiteral \"var\" [JSVarDecl (JSIdentifier \"k\") [JSLiteral \"=\",JSObjectLiteral [JSPropertyNameandValue (JSIdentifier \"y\") [JSIdentifier \"code\"]]]],JSLiteral \"\"])") + , testCase "issue4bug2" (testProg "var k = {\ny: mode\n}" "Right (JSSourceElementsTop [JSVariables JSLiteral \"var\" [JSVarDecl (JSIdentifier \"k\") [JSLiteral \"=\",JSObjectLiteral [JSPropertyNameandValue (JSIdentifier \"y\") [JSIdentifier \"mode\"]]]],JSLiteral \"\"])") + + -- https://github.com/alanz/language-javascript/issues/5 + , testCase "issue5bug1" (testProg "x = { y: 1e8 }" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSObjectLiteral [JSPropertyNameandValue (JSIdentifier \"y\") [JSDecimal \"1e8\"]]],JSLiteral \"\"])") + , testCase "issue5ok2" (testProg "{ y: 1e8 }" "Right (JSSourceElementsTop [JSBlock ([JSLabelled (JSIdentifier \"y\") (JSExpression [JSDecimal \"1e8\"])]),JSLiteral \"\"])") + , testCase "issue5ok3" (testProg "{ y: 18 }" "Right (JSSourceElementsTop [JSBlock ([JSLabelled (JSIdentifier \"y\") (JSExpression [JSDecimal \"18\"])]),JSLiteral \"\"])") + , testCase "issue5ok4" (testProg "x = { y: 18 }" "Right (JSSourceElementsTop [JSExpression [JSIdentifier \"x\",JSOperator JSLiteral \"=\",JSObjectLiteral [JSPropertyNameandValue (JSIdentifier \"y\") [JSDecimal \"18\"]]],JSLiteral \"\"])") + + -- https://github.com/alanz/language-javascript/issues/14 + , testCase "issue14" (testProg "var z = x[i] / y;" "Right (JSSourceElementsTop [JSVariables JSLiteral \"var\" [JSVarDecl (JSIdentifier \"z\") [JSLiteral \"=\",JSExpressionBinary \"/\" [JSMemberSquare [JSIdentifier \"x\"] (JSExpression [JSIdentifier \"i\"])] [JSIdentifier \"y\"]]],JSLiteral \"\"])") + + ] + +srcHelloWorld = "Hello" +caseHelloWorld = + "JSSourceElementsTop [JSExpression [JSIdentifier \"Hello\"],JSLiteral \"\"]" + -- @=? (show $ parse srcHelloWorld "src") + @=? (showStripped $ readJs srcHelloWorld) + + +-- --------------------------------------------------------------------- + +commentSuite :: Test +commentSuite = testGroup "Comments" + [ + testCase "helloWorld" caseHelloWorld + , testCase "LiteralNull" (testLiteralC "/*a*/null" "Right (NS (JSLiteral \"null\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\"])") + , testCase "LiteralFalse" (testLiteralC "/*b*/false" "Right (NS (JSLiteral \"false\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*b*/\"])") + , testCase "LiteralTrue" (testLiteralC "true" "Right (NS (JSLiteral \"true\") (TokenPn 0 1 1) [NoComment])") + , testCase "LiteralTrue" (testLiteralC "/*c*/true" "Right (NS (JSLiteral \"true\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*c*/\"])") + + , testCase "LiteralHexInteger" (testLiteralC "/*d*/0x1234fF" "Right (NS (JSHexInteger \"0x1234fF\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*d*/\"])") + , testCase "LiteralDecimal" (testLiteralC "/*e*/1.0e4" "Right (NS (JSDecimal \"1.0e4\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*e*/\"])") + , testCase "LiteralOctal" (testLiteralC "/*x*/011" "Right (NS (JSOctal \"011\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*x*/\"])") + , testCase "LiteralString1" (testLiteralC "/*f*/\"hello\\nworld\"" "Right (NS (JSStringLiteral '\"' \"hello\\\\nworld\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*f*/\"])") + , testCase "LiteralString2" (testLiteralC "/*g*/'hello\\nworld'" "Right (NS (JSStringLiteral '\\'' \"hello\\\\nworld\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*g*/\"])") + + + , testCase "LiteralThis" (testPEC "/*h*/this" "Right (NS (JSLiteral \"this\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*h*/\"])") + + , testCase "LiteralRegex1" (testPEC "/*i*//blah/" "Right (NS (JSRegEx \"/blah/\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*i*/\"])") + + , testCase "Identifier2" (testPEC "//j\nthis_" "Right (NS (JSIdentifier \"this_\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"//j\"])") + + , testCase "ArrayLiteral1" (testPEC "/*a*/[/*b*/]" "Right (NS (JSArrayLiteral []) (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\",CommentA (TokenPn 6 1 7) \"/*b*/\"])") + , testCase "ArrayLiteral2" (testPEC "/*a*/[/*b*/,/*c*/]" "Right (NS (JSArrayLiteral [NS (JSElision []) (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"]]) (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\",CommentA (TokenPn 12 1 13) \"/*c*/\"])") + , testCase "ArrayLiteral3" (testPEC "/*a*/[/*b*/,/*c*/,/*d*/]" "Right (NS (JSArrayLiteral [NS (JSElision []) (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"],NS (JSElision []) (TokenPn 12 1 13) [CommentA (TokenPn 12 1 13) \"/*c*/\"]]) (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\",CommentA (TokenPn 18 1 19) \"/*d*/\"])") + , testCase "ArrayLiteral4" (testPEC "/*a*/[/*b/*,/*c*/,/*d*/x/*e*/]" "Right (NS (JSArrayLiteral [NS (JSElision []) (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b/*,/*c*/\"],NS (JSIdentifier \"x\") (TokenPn 18 1 19) [CommentA (TokenPn 18 1 19) \"/*d*/\"]]) (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\",CommentA (TokenPn 24 1 25) \"/*e*/\"])") + , testCase "ArrayLiteral5" (testPEC "/*a*/[/*b*/,/*c*/,/*d*/x/*e*/]" "Right (NS (JSArrayLiteral [NS (JSElision []) (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"],NS (JSElision []) (TokenPn 12 1 13) [CommentA (TokenPn 12 1 13) \"/*c*/\"],NS (JSIdentifier \"x\") (TokenPn 18 1 19) [CommentA (TokenPn 18 1 19) \"/*d*/\"]]) (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\",CommentA (TokenPn 24 1 25) \"/*e*/\"])") + , testCase "ArrayLiteral6" (testPEC "/*a*/[/*b*/,/*c*/x/*d*/,/*e*/,/*f*/x/*g*/]" "Right (NS (JSArrayLiteral [NS (JSElision []) (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"],NS (JSIdentifier \"x\") (TokenPn 12 1 13) [CommentA (TokenPn 12 1 13) \"/*c*/\"],NS (JSElision []) (TokenPn 18 1 19) [CommentA (TokenPn 18 1 19) \"/*d*/\"],NS (JSElision []) (TokenPn 24 1 25) [CommentA (TokenPn 24 1 25) \"/*e*/\"],NS (JSIdentifier \"x\") (TokenPn 30 1 31) [CommentA (TokenPn 30 1 31) \"/*f*/\"]]) (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\",CommentA (TokenPn 36 1 37) \"/*g*/\"])") + , testCase "ArrayLiteral7" (testPEC "/*a*/[/*b*/x/*c*/]" "Right (NS (JSArrayLiteral [NS (JSIdentifier \"x\") (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"]]) (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\",CommentA (TokenPn 12 1 13) \"/*c*/\"])") + , testCase "ArrayLiteral8" (testPEC "/*a*/[/*b*/x/*c*/,/*d*/]" "Right (NS (JSArrayLiteral [NS (JSIdentifier \"x\") (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"],NS (JSLiteral \",\") (TokenPn 17 1 18) [CommentA (TokenPn 12 1 13) \"/*c*/\"]]) (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\",CommentA (TokenPn 18 1 19) \"/*d*/\"])") + + , testCase "ObjectLiteral1" (testPEC "/*a*/{/*b*/}" "Right (NS (JSObjectLiteral []) (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\",CommentA (TokenPn 6 1 7) \"/*b*/\"])") + , testCase "ObjectLiteral2" (testPEC "/*a*/{/*b*/x/*c*/:/*d*/1/*e*/}" "Right (NS (JSObjectLiteral [NS (JSPropertyNameandValue (NS (JSIdentifier \"x\") (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"]) [NS (JSDecimal \"1\") (TokenPn 18 1 19) [CommentA (TokenPn 18 1 19) \"/*d*/\"]]) (TokenPn 12 1 13) [CommentA (TokenPn 12 1 13) \"/*c*/\"]]) (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\",CommentA (TokenPn 24 1 25) \"/*e*/\"])") + , testCase "ObjectLiteral3" (testPEC "/*a*/{/*b*/x/*c*/:/*d*/1/*e*/,/*f*/y/*g*/:/*h*/2/*i*/}" "Right (NS (JSObjectLiteral [NS (JSPropertyNameandValue (NS (JSIdentifier \"x\") (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"]) [NS (JSDecimal \"1\") (TokenPn 18 1 19) [CommentA (TokenPn 18 1 19) \"/*d*/\"]]) (TokenPn 12 1 13) [CommentA (TokenPn 12 1 13) \"/*c*/\"],NS (JSPropertyNameandValue (NS (JSIdentifier \"y\") (TokenPn 30 1 31) [CommentA (TokenPn 30 1 31) \"/*f*/\"]) [NS (JSDecimal \"2\") (TokenPn 42 1 43) [CommentA (TokenPn 42 1 43) \"/*h*/\"]]) (TokenPn 36 1 37) [CommentA (TokenPn 24 1 25) \"/*e*/\",CommentA (TokenPn 36 1 37) \"/*g*/\"]]) (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\",CommentA (TokenPn 48 1 49) \"/*i*/\"])") + + , testCase "ObjectLiteral5" (testPEC "/*a*/{/*b*/x/*c*/:/*d*/1/*e*/,/*f*/}" "Right (NS (JSObjectLiteral [NS (JSPropertyNameandValue (NS (JSIdentifier \"x\") (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"]) [NS (JSDecimal \"1\") (TokenPn 18 1 19) [CommentA (TokenPn 18 1 19) \"/*d*/\"]]) (TokenPn 12 1 13) [CommentA (TokenPn 12 1 13) \"/*c*/\"],NS (JSLiteral \",\") (TokenPn 29 1 30) [CommentA (TokenPn 24 1 25) \"/*e*/\"]]) (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\",CommentA (TokenPn 30 1 31) \"/*f*/\"])") + + -- Edition 5 extensions + , testCase "ObjectLiteral7" (testProgC "/*a*/x/*b*/=/*c*/{/*d*/get/*e*/ foo/*f*/(/*g*/)/*h*/ {/*i*/return/*j*/ 1/*k*/}/*l*/,/*m*/set/*n*/ foo/*o*/(/*p*/a/*q*/) /*r*/{/*s*/x/*t*/=/*u*/a/*v*/}/*w*/}" "Right (NS (JSSourceElementsTop [NS (JSExpression [NS (JSIdentifier \"x\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\"],NS (JSOperator \"=\") (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"],NS (JSObjectLiteral [NS (JSPropertyAccessor \"get\" (NS (JSIdentifier \"foo\") (TokenPn 26 1 27) [CommentA (TokenPn 26 1 27) \"/*e*/\"]) [] (NS (JSFunctionBody [NS (JSSourceElements [NS (JSReturn [NS (JSExpression [NS (JSDecimal \"1\") (TokenPn 65 1 66) [CommentA (TokenPn 65 1 66) \"/*j*/\"]]) (TokenPn 65 1 66) [],NS (JSLiteral \"\") (TokenPn 0 0 0) []]) (TokenPn 54 1 55) [CommentA (TokenPn 54 1 55) \"/*i*/\"]]) (TokenPn 54 1 55) []]) (TokenPn 54 1 55) [])) (TokenPn 18 1 19) [CommentA (TokenPn 18 1 19) \"/*d*/\",CommentA (TokenPn 35 1 36) \"/*f*/\",CommentA (TokenPn 41 1 42) \"/*g*/\",CommentA (TokenPn 47 1 48) \"/*h*/\",CommentA (TokenPn 72 1 73) \"/*k*/\"],NS (JSPropertyAccessor \"set\" (NS (JSIdentifier \"foo\") (TokenPn 92 1 93) [CommentA (TokenPn 92 1 93) \"/*n*/\"]) [NS (JSIdentifier \"a\") (TokenPn 107 1 108) [CommentA (TokenPn 107 1 108) \"/*p*/\"]] (NS (JSFunctionBody [NS (JSSourceElements [NS (JSExpression [NS (JSIdentifier \"x\") (TokenPn 126 1 127) [CommentA (TokenPn 126 1 127) \"/*s*/\"],NS (JSOperator \"=\") (TokenPn 132 1 133) [CommentA (TokenPn 132 1 133) \"/*t*/\"],NS (JSIdentifier \"a\") (TokenPn 138 1 139) [CommentA (TokenPn 138 1 139) \"/*u*/\"]]) (TokenPn 126 1 127) []]) (TokenPn 126 1 127) []]) (TokenPn 126 1 127) [])) (TokenPn 84 1 85) [CommentA (TokenPn 78 1 79) \"/*l*/\",CommentA (TokenPn 84 1 85) \"/*m*/\",CommentA (TokenPn 101 1 102) \"/*o*/\",CommentA (TokenPn 113 1 114) \"/*q*/\",CommentA (TokenPn 120 1 121) \"/*r*/\",CommentA (TokenPn 144 1 145) \"/*v*/\"]]) (TokenPn 12 1 13) [CommentA (TokenPn 12 1 13) \"/*c*/\",CommentA (TokenPn 150 1 151) \"/*w*/\"]]) (TokenPn 0 1 1) []]) (TokenPn 0 1 1) [])") + + , testCase "ExpressionParen" (testPEC "/*a*/(/*b*/56/*c*/)" "Right (NS (JSExpressionParen (NS (JSExpression [NS (JSDecimal \"56\") (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"]]) (TokenPn 6 1 7) [])) (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\",CommentA (TokenPn 13 1 14) \"/*c*/\"])") + + , testCase "Statement1" (testStmtC "/*a*/x" "Right (NS (JSExpression [NS (JSIdentifier \"x\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\"]]) (TokenPn 0 1 1) [])") + + , testCase "Statement2" (testStmtC "/*a*/null" "Right (NS (JSExpression [NS (JSLiteral \"null\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\"]]) (TokenPn 0 1 1) [])") + + , testCase "Statement3" (testStmtC "/*a*/true/*b*/?/*c*/1/*d*/:/*e*/2" "Right (NS (JSExpression [NS (JSExpressionTernary [NS (JSLiteral \"true\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\"]] [NS (JSDecimal \"1\") (TokenPn 15 1 16) [CommentA (TokenPn 15 1 16) \"/*c*/\"]] [NS (JSDecimal \"2\") (TokenPn 27 1 28) [CommentA (TokenPn 27 1 28) \"/*e*/\"]]) (TokenPn 9 1 10) [CommentA (TokenPn 9 1 10) \"/*b*/\",CommentA (TokenPn 21 1 22) \"/*d*/\"]]) (TokenPn 9 1 10) [])") + + , testCase "Statement4" (testStmtC "/*a*/x/*b*/||/*c*/y" "Right (NS (JSExpression [NS (JSExpressionBinary \"||\" [NS (JSIdentifier \"x\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\"]] [NS (JSIdentifier \"y\") (TokenPn 13 1 14) [CommentA (TokenPn 13 1 14) \"/*c*/\"]]) (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"]]) (TokenPn 6 1 7) [])") + + , testCase "Statement5" (testStmtC "/*a*/x/*b*/&&/*c*/y" "Right (NS (JSExpression [NS (JSExpressionBinary \"&&\" [NS (JSIdentifier \"x\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\"]] [NS (JSIdentifier \"y\") (TokenPn 13 1 14) [CommentA (TokenPn 13 1 14) \"/*c*/\"]]) (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"]]) (TokenPn 6 1 7) [])") + + , testCase "Statement6a" (testStmtC "/*a*/x/*b*/|/*c*/y" "Right (NS (JSExpression [NS (JSExpressionBinary \"|\" [NS (JSIdentifier \"x\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\"]] [NS (JSIdentifier \"y\") (TokenPn 12 1 13) [CommentA (TokenPn 12 1 13) \"/*c*/\"]]) (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"]]) (TokenPn 6 1 7) [])") + + , testCase "Statement6b" (testStmtC "/*a*/x/*b*/^/*c*/y" "Right (NS (JSExpression [NS (JSExpressionBinary \"^\" [NS (JSIdentifier \"x\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\"]] [NS (JSIdentifier \"y\") (TokenPn 12 1 13) [CommentA (TokenPn 12 1 13) \"/*c*/\"]]) (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"]]) (TokenPn 6 1 7) [])") + + , testCase "Statement7" (testStmtC "/*a*/x/*b*/&/*c*/y" "Right (NS (JSExpression [NS (JSExpressionBinary \"&\" [NS (JSIdentifier \"x\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\"]] [NS (JSIdentifier \"y\") (TokenPn 12 1 13) [CommentA (TokenPn 12 1 13) \"/*c*/\"]]) (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"]]) (TokenPn 6 1 7) [])") + + , testCase "Statement8" (testStmtC "/*a*/x/*b*/==/*c*/y" "Right (NS (JSExpression [NS (JSExpressionBinary \"==\" [NS (JSIdentifier \"x\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\"]] [NS (JSIdentifier \"y\") (TokenPn 13 1 14) [CommentA (TokenPn 13 1 14) \"/*c*/\"]]) (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"]]) (TokenPn 6 1 7) [])") + + , testCase "Statement9" (testStmtC "/*a*/x/*b*/!=/*c*/y" "Right (NS (JSExpression [NS (JSExpressionBinary \"!=\" [NS (JSIdentifier \"x\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\"]] [NS (JSIdentifier \"y\") (TokenPn 13 1 14) [CommentA (TokenPn 13 1 14) \"/*c*/\"]]) (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"]]) (TokenPn 6 1 7) [])") + + , testCase "Statement10" (testStmtC "/*a*/x/*b*/===/*c*/y" "Right (NS (JSExpression [NS (JSExpressionBinary \"===\" [NS (JSIdentifier \"x\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\"]] [NS (JSIdentifier \"y\") (TokenPn 14 1 15) [CommentA (TokenPn 14 1 15) \"/*c*/\"]]) (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"]]) (TokenPn 6 1 7) [])") + + , testCase "Statement11" (testStmtC "/*a*/x/*b*/!==/*c*/y" "Right (NS (JSExpression [NS (JSExpressionBinary \"!==\" [NS (JSIdentifier \"x\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\"]] [NS (JSIdentifier \"y\") (TokenPn 14 1 15) [CommentA (TokenPn 14 1 15) \"/*c*/\"]]) (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"]]) (TokenPn 6 1 7) [])") + + , testCase "Statement12a" (testStmtC "/*a*/x/*b*//*c*/y" "Right (NS (JSExpression [NS (JSExpressionBinary \">\" [NS (JSIdentifier \"x\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\"]] [NS (JSIdentifier \"y\") (TokenPn 12 1 13) [CommentA (TokenPn 12 1 13) \"/*c*/\"]]) (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"]]) (TokenPn 6 1 7) [])") + + , testCase "Statement12c" (testStmtC "/*a*/x/*b*/<=/*c*/y" "Right (NS (JSExpression [NS (JSExpressionBinary \"<=\" [NS (JSIdentifier \"x\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\"]] [NS (JSIdentifier \"y\") (TokenPn 13 1 14) [CommentA (TokenPn 13 1 14) \"/*c*/\"]]) (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"]]) (TokenPn 6 1 7) [])") + + , testCase "Statement12d" (testStmtC "/*a*/x/*b*/>=/*c*/y" "Right (NS (JSExpression [NS (JSExpressionBinary \">=\" [NS (JSIdentifier \"x\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\"]] [NS (JSIdentifier \"y\") (TokenPn 13 1 14) [CommentA (TokenPn 13 1 14) \"/*c*/\"]]) (TokenPn 6 1 7) [CommentA (TokenPn 6 1 7) \"/*b*/\"]]) (TokenPn 6 1 7) [])") + + , testCase "Statement12e" (testStmtC "/*a*/x /*b*/instanceof /*c*/y" "Right (NS (JSExpression [NS (JSExpressionBinary \" instanceof \" [NS (JSIdentifier \"x\") (TokenPn 0 1 1) [CommentA (TokenPn 0 1 1) \"/*a*/\"]] [NS (JSIdentifier \"y\") (TokenPn 23 1 24) [CommentA (TokenPn 23 1 24) \"/*c*/\"]]) (TokenPn 7 1 8) [CommentA (TokenPn 7 1 8) \"/*b*/\"]]) (TokenPn 7 1 8) [])") + + ] + +-- --------------------------------------------------------------------- + +commentPrintSuite :: Test +commentPrintSuite = testGroup "Comments" + [ + testCase "Multi-comment" (testRoundTrip "/*a*/\n//foo\nnull") + + + , testCase "LiteralNull" (testRoundTrip "/*a*/null") + , testCase "LiteralFalse" (testRoundTrip "/*b*/false") + , testCase "LiteralTrue" (testRoundTrip "true") + , testCase "LiteralTrue" (testRoundTrip "/*c*/true") + + , testCase "LiteralHexInteger" (testRoundTrip "/*d*/0x1234fF") + , testCase "LiteralDecimal" (testRoundTrip "/*e*/1.0e4") + , testCase "LiteralOctal" (testRoundTrip "/*x*/011") + , testCase "LiteralString1" (testRoundTrip "/*f*/\"hello\\nworld\"") + , testCase "LiteralString2" (testRoundTrip "/*g*/'hello\\nworld'") + + + , testCase "LiteralThis" (testRoundTrip "/*h*/this") + + , testCase "LiteralRegex1" (testRoundTrip "/*i*//blah/") + + , testCase "Identifier2" (testRoundTrip "//j\nthis_") + + , testCase "ArrayLiteral1" (testRoundTrip "/*a*/[/*b*/]") + , testCase "ArrayLiteral2" (testRoundTrip "/*a*/[/*b*/,/*c*/]") + , testCase "ArrayLiteral3" (testRoundTrip "/*a*/[/*b*/,/*c*/,/*d*/]") + , testCase "ArrayLiteral4" (testRoundTrip "/*a*/[/*b/*,/*c*/,/*d*/x/*e*/]") + , testCase "ArrayLiteral5" (testRoundTrip "/*a*/[/*b*/,/*c*/,/*d*/x/*e*/]") + , testCase "ArrayLiteral6" (testRoundTrip "/*a*/[/*b*/,/*c*/x/*d*/,/*e*/,/*f*/x/*g*/]") + , testCase "ArrayLiteral7" (testRoundTrip "/*a*/[/*b*/x/*c*/]") + , testCase "ArrayLiteral8" (testRoundTrip "/*a*/[/*b*/x/*c*/,/*d*/]") + + , testCase "ObjectLiteral1" (testRoundTrip "/*a*/{/*b*/}") + , testCase "ObjectLiteral2" (testRoundTrip "/*a*/{/*b*/x/*c*/:/*d*/1/*e*/}") + , testCase "ObjectLiteral3" (testRoundTrip "x=/*a*/{/*b*/x/*c*/:/*d*/1/*e*/,/*f*/y/*g*/:/*h*/2/*i*/}") + , testCase "ObjectLiteral3a" (testRoundTrip "x=/*a*/{/*b*/x/*c*/:/*d*/1/*e*/,/*f*/y/*g*/:/*h*/2/*i*/,/*j*/z/*k*/:/*l*/3/*m*/}") + + , testCase "ObjectLiteral5" (testRoundTrip "a=/*a*/{/*b*/x/*c*/:/*d*/1/*e*/,/*f*/}") + + -- Edition 5 extensions + , testCase "ObjectLiteral7" (testRoundTrip "/*a*/x/*b*/=/*c*/{/*d*/get/*e*/ foo/*f*/(/*g*/)/*h*/ {/*i*/return/*j*/ 1/*k*/}/*l*/,/*m*/set/*n*/ foo/*o*/(/*p*/a/*q*/) /*r*/{/*s*/x/*t*/=/*u*/a/*v*/}/*w*/}") + + , testCase "ExpressionParen" (testRoundTrip "/*a*/(/*b*/56/*c*/)") + + , testCase "Statement1" (testRoundTrip "/*a*/x") + + , testCase "Statement2" (testRoundTrip "/*a*/null") + + , testCase "Statement3" (testRoundTrip "/*a*/true/*b*/?/*c*/1/*d*/:/*e*/2") + + , testCase "Statement4" (testRoundTrip "/*a*/x/*b*/||/*c*/y") + + , testCase "Statement5" (testRoundTrip "/*a*/x/*b*/&&/*c*/y") + + , testCase "Statement6a" (testRoundTrip "/*a*/x/*b*/|/*c*/y") + + , testCase "Statement6b" (testRoundTrip "/*a*/x/*b*/^/*c*/y") + + , testCase "Statement7" (testRoundTrip "/*a*/x/*b*/&/*c*/y") + + , testCase "Statement8" (testRoundTrip "/*a*/x/*b*/==/*c*/y") + + , testCase "Statement9" (testRoundTrip "/*a*/x/*b*/!=/*c*/y") + + , testCase "Statement10" (testRoundTrip "/*a*/x/*b*/===/*c*/y") + + , testCase "Statement11" (testRoundTrip "/*a*/x/*b*/!==/*c*/y") + + , testCase "Statement12a" (testRoundTrip "/*a*/x/*b*//*c*/y") + + , testCase "Statement12c" (testRoundTrip "/*a*/x/*b*/<=/*c*/y") + + , testCase "Statement12d" (testRoundTrip "/*a*/x/*b*/>=/*c*/y") + + , testCase "Statement12e" (testRoundTrip "/*a*/x /*b*/instanceof /*c*/y") + + + + , testCase "Statement13" (testRoundTrip "x<>y") + , testCase "Statement13" (testRoundTrip "x>>>y") + + , testCase "Statement14" (testRoundTrip "x+y") + , testCase "Statement14" (testRoundTrip "x-y") + + , testCase "Statement15" (testRoundTrip "x*y") + , testCase "Statement16" (testRoundTrip "x/y") + , testCase "Statement17" (testRoundTrip "x%y") + + , testCase "Statement18" (testRoundTrip "delete y") + , testCase "Statement19" (testRoundTrip "void y") + , testCase "Statement20" (testRoundTrip "typeof y") + , testCase "Statement21" (testRoundTrip "++y") + , testCase "Statement22" (testRoundTrip "--y") + , testCase "Statement23" (testRoundTrip "+y") + , testCase "Statement24" (testRoundTrip "-y") + , testCase "Statement25" (testRoundTrip "~y") + , testCase "Statement26" (testRoundTrip "!y") + + , testCase "Statement27" (testRoundTrip "y++") + , testCase "Statement28" (testRoundTrip "y--") + + -- Member Expressions + , testCase "MemberExpression1a" (testRoundTrip "function(){}") + , testCase "MemberExpression1b" (testRoundTrip "function(a){}") + , testCase "MemberExpression1c" (testRoundTrip "function(a,b){}") + + , testCase "MemberExpression1d" (testRoundTrip "x[y]") + , testCase "MemberExpression1e" (testRoundTrip "x[y][z]") + , testCase "MemberExpression1f" (testRoundTrip "x.y") + , testCase "MemberExpression1g" (testRoundTrip "x.y.z") + + , testCase "MemberExpression1h" (testRoundTrip "new x()") + + , testCase "NewExpression1" (testRoundTrip "new x.y") + + , testCase "CallExpression1" (testRoundTrip "x()") + , testCase "CallExpression2" (testRoundTrip "x()()") + , testCase "CallExpression3" (testRoundTrip "x()[4]") + , testCase "CallExpression4" (testRoundTrip "x().x") + , testCase "CallExpression5" (testRoundTrip "x(a,b=2).x") + + , testCase "AssignExpression1" (testRoundTrip "x=1") + , testCase "AssignExpression1" (testRoundTrip "x*=1") + , testCase "AssignExpression1" (testRoundTrip "x/=1") + , testCase "AssignExpression1" (testRoundTrip "x%=1") + , testCase "AssignExpression1" (testRoundTrip "x+=1") + , testCase "AssignExpression1" (testRoundTrip "x-=1") + , testCase "AssignExpression1" (testRoundTrip "x<<=1") + , testCase "AssignExpression1" (testRoundTrip "x>>=1") + , testCase "AssignExpression1" (testRoundTrip "x>>>=1") + , testCase "AssignExpression1" (testRoundTrip "x&=1") + , testCase "AssignExpression1" (testRoundTrip "x^=1") + , testCase "AssignExpression1" (testRoundTrip "x|=1") + + + , testCase "Block1" (testRoundTrip "{}") + , testCase "Block2" (testRoundTrip "{x=1}") + , testCase "Block3" (testRoundTrip "{x=1;y=2}") + , testCase "Block4" (testRoundTrip "{{}}") + , testCase "Block5" (testRoundTrip "{{{}}}") + + + , testCase "If1" (testRoundTrip "if (1) {}") + + , testCase "IfElse1" (testRoundTrip "if (1) {} else {}") + , testCase "IfElse2" (testRoundTrip "if (1) x=1; else {}") + + , testCase "DoWhile1" (testRoundTrip "do {x=1} while (true);") + , testCase "While1" (testRoundTrip "while(true);") + + , testCase "For1" (testRoundTrip "for(;;);") + , testCase "For2" (testRoundTrip "for(x=1;x<10;x++);") + + , testCase "ForVar1" (testRoundTrip "for(var x;;);") + , testCase "ForVar2" (testRoundTrip "for(var x=1;;);") + , testCase "ForVar2" (testRoundTrip "for(var x;y;z){}") + + , testCase "ForIn1" (testRoundTrip "for(x in 5){}") + + , testCase "ForVarIn1" (testRoundTrip "for(var x in 5){}") + + , testCase "Var1" (testRoundTrip "var x=1;") + , testCase "Var2" (testRoundTrip "const x=1,y=2;") + + + , testCase "Continue1" (testRoundTrip "continue;") + , testCase "Continue2" (testRoundTrip "continue x;") + + , testCase "Break1" (testRoundTrip "break;") + , testCase "Break2" (testRoundTrip "break x;") + + , testCase "Return1" (testRoundTrip "return;") + , testCase "Return2" (testRoundTrip "return x;") + + , testCase "With1" (testRoundTrip "with (x) {};") + + , testCase "Labelled1" (testRoundTrip "abc:x=1") + + , testCase "Switch1" (testRoundTrip "switch (x) {}") + , testCase "Switch2" (testRoundTrip "switch (x) {case 1:break;}") + , testCase "Switch3" (testRoundTrip "switch (x) {case 0:\ncase 1:break;}") + , testCase "Switch4" (testRoundTrip "switch (x) {default:break;}") + , testCase "Switch5" (testRoundTrip "switch (x) {default:\ncase 1:break;}") + + , testCase "Throw1" (testRoundTrip "throw 1") + + , testCase "Try1" (testRoundTrip "try{}catch(a){}") + , testCase "Try2" (testRoundTrip "try{}finally{}") + , testCase "Try3" (testRoundTrip "try{}catch(a){}finally{}") + + , testCase "Try4" (testRoundTrip "try{}catch(a){}catch(b){}finally{}") + , testCase "Try5" (testRoundTrip "try{}catch(a){}catch(b){}") + , testCase "Try6" (testRoundTrip "try{}catch(a if true){}catch(b){}") + + , testCase "Function1" (testRoundTrip "function a(){}") + , testCase "Function2" (testRoundTrip "function a(b,c){}") + + + , testCase "Comment1" (testRoundTrip "//blah\nx=1;//foo\na") + + , testCase "Comment2" (testRoundTrip "/*x=1\ny=2\n*/z=2;//foo\na") + + , testCase "min_100_animals1" (testRoundTrip "function Animal(name){if(!name)throw new Error('Must specify an animal name');this.name=name};Animal.prototype.toString=function(){return this.name};o=new Animal(\"bob\");o.toString()==\"bob\"") + + , testCase "min_100_animals2" (testRoundTrip "Animal=function(){return this.name};") + + , testCase "min_100_animals3" (testRoundTrip "if(a)x=1;y=2") + + , testCase "min_100_animals4" (testRoundTrip "if(a)x=a()y=2") + + , testCase "05_regex" (testRoundTrip "newlines=spaces.match(/\\n/g)") + + , testCase "05_regex2" (testRoundTrip "x=/\\n/g") + + , testCase "05_regex3" (testRoundTrip "x=i(/[?|^&(){}\\[\\]+\\-*\\/\\.]/g,\"\\\\$&\")") + + , testCase "05_regex4" (testRoundTrip "x=i(/^$/g,\"\\\\$&\")") + + , testCase "05_regex5" (testRoundTrip "if(/^[a-z]/.test(t)){consts+=t.toUpperCase();keywords[t]=i}else consts+=(/^\\W/.test(t)?opTypeNames[t]:t);") + + , testCase "if_semi" (testRoundTrip "if(x);x=1") + + , testCase "67_bob" (testRoundTrip "(match = /^\"(?:\\\\.|[^\"])*\"|^'(?:[^']|\\\\.)*'/(input))") + + , testCase "122_jsexec" (testRoundTrip "v = getValue(execute(n[0], x)) in getValue(execute(n[1], x));") + + , testCase "bug1a" (testRoundTrip "/* */\nfunction f() {\n/* */\n}") + , testCase "bug1b" (testRoundTrip "/* **/\nfunction f() {\n/* */\n}") + + , testCase "unicode1-ws" (testRoundTrip "a \f\v\t\r\n=\x00a0\x1680\x180e\x2000\x2001\x2002\x2003\x2004\x2005\x2006\x2007\x2008\x2009\x200a\x2028\x2029\x202f\x205f\x3000\&1;") + + , testCase "unicode2-lt" (testRoundTrip "//comment\x000Ax=1;") + , testCase "unicode3-lt" (testRoundTrip "//comment\x000Dx=1;") + , testCase "unicode4-lt" (testRoundTrip "//comment\x2028x=1;") + , testCase "unicode5-lt" (testRoundTrip "//comment\x2029x=1;") + + , testCase "unicode2" (testRoundTrip "àáâãäå = 1;") + + , testCase "unicode3" (testRoundTrip "$aà = 1;_b=2;\0065a=2") + + , testCase "unicode4" (testRoundTrip "x=\"àáâãäå\";y='\3012a\0068'") + + -- , testCase "unicode5" (testFile "./test/Unicode.js") + + , testCase "bug2.a" (testRoundTrip "function() {\nz = function /*z*/(o) {\nreturn r;\n};}") + + , testCase "bug2.b" (testRoundTrip "function() {\nz = function z(o) {\nreturn r;\n};}") + + -- https://github.com/alanz/hjsmin/issues/#issue/3 + , testCase "bug3" (testRoundTrip "var myLatlng = new google.maps.LatLng(56.8379100, 60.5806664);") + + -- https://github.com/alanz/hjsmin/issues/#issue/4 + , testCase "bug4" (testRoundTrip "/* * geolocation. пытаемся определить свое местоположение * если не получается то используем defaultLocation * @Param {object} map экземпляр карты * @Param {object LatLng} defaultLocation Координаты центра по умолчанию * @Param {function} callbackAfterLocation Фу-ия которая вызывается после * геолокации. Т.к запрос геолокации асинхронен */x") + + , testCase "02_sm.js" (testRoundTrip "{zero}\none1;two\n{three\nfour;five;\n{\nsix;{seven;}\n}\n}") + + , testCase "02_sm.js.2" (testRoundTrip "{zero}\nget;two\n{three\nfour;set;\n{\nsix;{seven;}\n}\n}") + + , testCase "loc1" (testRoundTrip "x = 1\n y=2;") + + -- https://github.com/alanz/language-javascript/issues/2 + , testCase "issue2" (testRoundTrip "var img = document.createElement('img');\nimg.src = \"mylogo.jpg\";\n$(img).click(function() {\n alert('clicked!');\n});") + + + -- Working in ECMASCRIPT 5.1 changes + , testCase "lineTerminatorInString1" (testRoundTrip "x='abc\\\ndef';") + , testCase "lineTerminatorInString2" (testRoundTrip "x=\"abc\\\ndef\";") + , testCase "lineTerminatorInString3" (testRoundTrip "x=\"abc\\\rdef\";") + , testCase "lineTerminatorInString4" (testRoundTrip "x=\"abc\\\x2028 def\";") + , testCase "lineTerminatorInString5" (testRoundTrip "x=\"abc\\\x2029 def\";") + , testCase "lineTerminatorInString6" (testRoundTrip "x=\"abc\\\r\ndef\";") + + + -- https://github.com/alanz/language-javascript/issues/4 + , testCase "issue4ok" (testRoundTrip "var k = {\ny: somename\n}") + , testCase "issue4bug1" (testRoundTrip "var k = {\ny: code\n}") + , testCase "issue4bug2" (testRoundTrip "var k = {\ny: mode\n}") + + -- https://github.com/alanz/language-javascript/issues/5 + , testCase "issue5bug1" (testRoundTrip "x = { y: 1e8 }") + , testCase "issue5ok2" (testRoundTrip "{ y: 1e8 }") + , testCase "issue5ok3" (testRoundTrip "{ y: 18 }") + , testCase "issue5ok4" (testRoundTrip "x = { y: 18 }") + + -- function body + , testCase "functionbody" (testRoundTrip "function foo(a,b,c)\n{x=1;}") + , testCase "functionexpression" (testRoundTrip "function foo(a,b,c)\n{x=1;}") + + , testCase "fn1" (testRoundTrip "function foo() { return 5; }") + , testCase "fn2" (testRoundTrip "var foo = function() { return 5; }") + , testCase "fn3" (testRoundTrip "var foo = function foo() { return 5; }") + + -- Parse failure in hjsmin + , testCase "parsefail" (testRoundTrip "switch(t){case DIV: v = u / v; break;}") + + -- https://github.com/alanz/language-javascript/issues/14 + , testCase "issue14" (testRoundTrip "var z = x[i] / y;") + + -- https://github.com/alanz/language-javascript/issues/15 + , testCase "issue15" (testRoundTrip "x\t=1;") + + , testCase "comment-only" (testRoundTrip "// comment\n\n") + , testCase "empty-src" (testRoundTrip "") + ] + +-- --------------------------------------------------------------------- +-- Test utilities + +testRoundTrip str = str @=? (renderToString $ readJs str) + +testLiteral :: String -> String -> Assertion +testLiteral literal expected = expected @=? (showStrippedMaybe $ parseUsing parseLiteral literal "src") +testLiteralC :: String -> String -> Assertion +testLiteralC literal expected = expected @=? (show $ parseUsing parseLiteral literal "src") + + +testPE :: String -> String -> Assertion +testPE str expected = expected @=? (showStrippedMaybe $ parseUsing parsePrimaryExpression str "src") +testPEC :: String -> String -> Assertion +testPEC str expected = expected @=? (show $ parseUsing parsePrimaryExpression str "src") + +testStmt :: String -> String -> Assertion +testStmt str expected = expected @=? (showStrippedMaybe $ parseUsing parseStatement str "src") +testStmtC :: String -> String -> Assertion +testStmtC str expected = expected @=? (show $ parseUsing parseStatement str "src") + +--testProg str expected = expected @=? (show $ parseUsing parseProgram str "src") +testProg :: String -> String -> Assertion +testProg str expected = expected @=? (showStrippedMaybe $ parseUsing parseProgram str "src") +testProgC :: String -> String -> Assertion +testProgC str expected = expected @=? (show $ parseUsing parseProgram str "src") + +testProgUn :: String -> String -> Assertion +testProgUn str expected = expected @=? (show $ parseUsing parseProgram str "src") + + +testFile :: FilePath -> String -> IO () +testFile fileName expected = do + res <- parseFile fileName + -- expected @=? (liftM show $ parseFile fileName) + (expected @=? (showStripped res)) + +testFileUtf8 :: FilePath -> String -> IO () +testFileUtf8 fileName expected = do + res <- parseFileUtf8 fileName + -- expected @=? (liftM show $ parseFile fileName) + (expected @=? (showStripped res)) + + +-- Set emacs mode +-- Local Variables: +-- coding: utf-8 +-- End: + +-- EOF diff --git a/src/Language/JavaScript/Parser.hs b/src/Language/JavaScript/Parser.hs new file mode 100644 index 0000000..974edc1 --- /dev/null +++ b/src/Language/JavaScript/Parser.hs @@ -0,0 +1,32 @@ +module Language.JavaScript.Parser + ( + PA.parse + , PA.readJs + , PA.parseFile + , PA.parseFileUtf8 + , PA.showStripped + , PA.showStrippedMaybe + , JSNode(..) + , Node(..) + , CommentAnnotation(..) + -- , ParseError(..) + -- Source locations + , TokenPosn(..) + , tokenPosnEmpty + -- * Pretty Printing + , renderJS + , renderToString + ) where + + +import Language.JavaScript.Parser.AST +import Language.JavaScript.Parser.ParseError +import Language.JavaScript.Parser.Token +import qualified Language.JavaScript.Parser.Parser as PA +--import Language.JavaScript.Parser.ParserMonad +import Language.JavaScript.Parser.SrcLocation +import Language.JavaScript.Pretty.Printer + +-- EOF + + diff --git a/src/Language/JavaScript/Parser/AST.hs b/src/Language/JavaScript/Parser/AST.hs new file mode 100644 index 0000000..4b2a48f --- /dev/null +++ b/src/Language/JavaScript/Parser/AST.hs @@ -0,0 +1,152 @@ +{-# LANGUAGE DeriveDataTypeable #-} +module Language.JavaScript.Parser.AST + ( + Node (..) + , JSNode(..) + -- , TokenPosn (..) + , showStripped + ) where + +import Data.Data +import Data.List +import Language.JavaScript.Parser.SrcLocation (TokenPosn(..)) +import Language.JavaScript.Parser.Token + +-- --------------------------------------------------------------------- + +-- |The JSNode is the building block of the AST. +-- Each has a syntactic part 'Node'. In addition, the leaf elements +-- (terminals) have a position 'TokenPosn', as well as an array of comments +-- and/or whitespace that was collected while parsing. + +data JSNode = NN Node -- ^Non Terminal node, does not have any position or comment information + | NT Node TokenPosn [CommentAnnotation] -- ^Terminal node, including position and comment/whitespace information + deriving (Show, Eq, Read, Data, Typeable) + +data Node = + -- | Terminals + JSIdentifier String + | JSDecimal String + | JSLiteral String + | JSHexInteger String + | JSOctal String + | JSStringLiteral Char [Char] + | JSRegEx String + + -- | Non Terminals + + | JSArguments JSNode [JSNode] JSNode -- ^lb, args, rb + | JSArrayLiteral JSNode [JSNode] JSNode -- ^lb, contents, rb + | JSBlock [JSNode] [JSNode] [JSNode] -- ^optional lb,optional block statements,optional rb + | JSBreak JSNode [JSNode] JSNode -- ^break, optional identifier, autosemi + | JSCallExpression String [JSNode] [JSNode] [JSNode] -- ^type : ., (), []; opening [ or ., contents, closing + | JSCase JSNode JSNode JSNode [JSNode] -- ^case,expr,colon,stmtlist + | JSCatch JSNode JSNode JSNode [JSNode] JSNode JSNode -- ^ catch,lb,ident,[if,expr],rb,block + | JSContinue JSNode [JSNode] JSNode -- ^continue,optional identifier,autosemi + | JSDefault JSNode JSNode [JSNode] -- ^default,colon,stmtlist + | JSDoWhile JSNode JSNode JSNode JSNode JSNode JSNode JSNode -- ^do,stmt,while,lb,expr,rb,autosemi + | JSElision JSNode -- ^comma + | JSExpression [JSNode] -- ^expression components + | JSExpressionBinary String [JSNode] JSNode [JSNode] -- ^what, lhs, op, rhs + | JSExpressionParen JSNode JSNode JSNode -- ^lb,expression,rb + | JSExpressionPostfix String [JSNode] JSNode -- ^type, expression, operator + | JSExpressionTernary [JSNode] JSNode [JSNode] JSNode [JSNode] -- ^cond, ?, trueval, :, falseval + | JSFinally JSNode JSNode -- ^finally,block + | JSFor JSNode JSNode [JSNode] JSNode [JSNode] JSNode [JSNode] JSNode JSNode -- ^for,lb,expr,semi,expr,semi,expr,rb.stmt + | JSForIn JSNode JSNode [JSNode] JSNode JSNode JSNode JSNode -- ^for,lb,expr,in,expr,rb,stmt + | JSForVar JSNode JSNode JSNode [JSNode] JSNode [JSNode] JSNode [JSNode] JSNode JSNode -- ^for,lb,var,vardecl,semi,expr,semi,expr,rb,stmt + | JSForVarIn JSNode JSNode JSNode JSNode JSNode JSNode JSNode JSNode -- ^for,lb,var,vardecl,in,expr,rb,stmt + | JSFunction JSNode JSNode JSNode [JSNode] JSNode JSNode -- ^fn,name, lb,parameter list,rb,block + -- | JSFunctionBody [JSNode] -- ^body + | JSFunctionExpression JSNode [JSNode] JSNode [JSNode] JSNode JSNode -- ^fn,[name],lb, parameter list,rb,block` + | JSIf JSNode JSNode JSNode JSNode [JSNode] [JSNode] -- ^if,(,expr,),stmt,optional rest + | JSLabelled JSNode JSNode JSNode -- ^identifier,colon,stmt + | JSMemberDot [JSNode] JSNode JSNode -- ^firstpart, dot, name + | JSMemberSquare [JSNode] JSNode JSNode JSNode -- ^firstpart, lb, expr, rb + | JSObjectLiteral JSNode [JSNode] JSNode -- ^lbrace contents rbrace + | JSOperator JSNode -- ^opnode + | JSPropertyAccessor JSNode JSNode JSNode [JSNode] JSNode JSNode -- ^(get|set), name, lb, params, rb, block + | JSPropertyNameandValue JSNode JSNode [JSNode] -- ^name, colon, value + | JSReturn JSNode [JSNode] JSNode -- ^return,optional expression,autosemi + -- | JSSourceElements [JSNode] -- ^source elements + | JSSourceElementsTop [JSNode] -- ^source elements + -- | JSStatementBlock JSNode JSNode JSNode -- ^lb,block,rb + -- | JSStatementList [JSNode] -- ^statements + | JSSwitch JSNode JSNode JSNode JSNode JSNode -- ^switch,lb,expr,rb,caseblock + | JSThrow JSNode JSNode -- ^throw val + | JSTry JSNode JSNode [JSNode] -- ^try,block,rest + | JSUnary String JSNode -- ^type, operator + | JSVarDecl JSNode [JSNode] -- ^identifier, optional initializer + | JSVariables JSNode [JSNode] JSNode -- ^var|const, decl, autosemi + | JSWhile JSNode JSNode JSNode JSNode JSNode -- ^while,lb,expr,rb,stmt + | JSWith JSNode JSNode JSNode JSNode [JSNode] -- ^with,lb,expr,rb,stmt list + deriving (Show, Eq, Read, Data, Typeable) + +-- Strip out the location info, leaving the original JSNode text representation +showStripped :: JSNode -> String +showStripped = ss + +-- Alias for internal use +ss :: JSNode -> String +ss (NN node ) = showStrippedNode node +ss (NT node _ _) = showStrippedNode node + +sss :: [JSNode] -> String +--sss xs = "[" ++ (concatMap ss xs) ++ "]" +sss xs = "[" ++ (concat (intersperse "," $ map ss xs)) ++ "]" + +showStrippedNode :: Node -> String +showStrippedNode (JSArguments _lb xs _rb) = "JSArguments " ++ sss xs +showStrippedNode (JSArrayLiteral _lb xs _rb) = "JSArrayLiteral " ++ sss xs +showStrippedNode (JSBlock _lb xs _rb) = "JSBlock (" ++ sss xs ++ ")" +showStrippedNode (JSBreak _b x1s as) = "JSBreak " ++ sss x1s ++ " " ++ ss as +showStrippedNode (JSCallExpression s _os xs _cs) = "JSCallExpression " ++ show s ++ " " ++ sss xs +showStrippedNode (JSCase _ca x1 _c x2s) = "JSCase (" ++ ss x1 ++ ") (" ++ sss x2s ++ ")" +showStrippedNode (JSCatch _c _lb x1 x2s _rb x3) = "JSCatch (" ++ ss x1 ++ ") " ++ sss x2s ++ " (" ++ ss x3 ++ ")" +showStrippedNode (JSContinue _c xs as) = "JSContinue " ++ sss xs ++ " " ++ ss as +showStrippedNode (JSDecimal s) = "JSDecimal " ++ show s +showStrippedNode (JSDefault _d _c xs) = "JSDefault (" ++ sss xs ++ ")" +showStrippedNode (JSDoWhile _d x1 _w _lb x2 _rb x3) = "JSDoWhile (" ++ ss x1 ++ ") (" ++ ss x2 ++ ") (" ++ ss x3 ++ ")" +showStrippedNode (JSElision c) = "JSElision " ++ ss c +showStrippedNode (JSExpression xs) = "JSExpression " ++ sss xs +showStrippedNode (JSExpressionBinary s x2s _op x3s) = "JSExpressionBinary " ++ show s ++ " " ++ sss x2s ++ " " ++ sss x3s +showStrippedNode (JSExpressionParen _lp x _rp) = "JSExpressionParen (" ++ ss x ++ ")" +showStrippedNode (JSExpressionPostfix s xs _op) = "JSExpressionPostfix " ++ show s ++ " " ++ sss xs +showStrippedNode (JSExpressionTernary x1s _q x2s _c x3s) = "JSExpressionTernary " ++ sss x1s ++ " " ++ sss x2s ++ " " ++ sss x3s +showStrippedNode (JSFinally _f x) = "JSFinally (" ++ ss x ++ ")" +showStrippedNode (JSFor _f _lb x1s _s1 x2s _s2 x3s _rb x4) = "JSFor " ++ sss x1s ++ " " ++ sss x2s ++ " " ++ sss x3s ++ " (" ++ ss x4 ++ ")" +showStrippedNode (JSForIn _f _lb x1s _i x2 _rb x3) = "JSForIn " ++ sss x1s ++ " (" ++ ss x2 ++ ") (" ++ ss x3 ++ ")" +showStrippedNode (JSForVar _f _lb _v x1s _s1 x2s _s2 x3s _rb x4) = "JSForVar " ++ sss x1s ++ " " ++ sss x2s ++ " " ++ sss x3s ++ " (" ++ ss x4 ++ ")" +showStrippedNode (JSForVarIn _f _lb _v x1 _i x2 _rb x3) = "JSForVarIn (" ++ ss x1 ++ ") (" ++ ss x2 ++ ") (" ++ ss x3 ++ ")" +showStrippedNode (JSFunction _f x1 _lb x2s _rb x3) = "JSFunction (" ++ ss x1 ++ ") " ++ sss x2s ++ " (" ++ ss x3 ++ ")" +--showStrippedNode (JSFunctionBody xs) = "JSFunctionBody " ++ sss xs +showStrippedNode (JSFunctionExpression _f x1s _lb x2s _rb x3) = "JSFunctionExpression " ++ sss x1s ++ " " ++ sss x2s ++ " (" ++ ss x3 ++ ")" +showStrippedNode (JSHexInteger s) = "JSHexInteger " ++ show s +showStrippedNode (JSOctal s) = "JSOctal " ++ show s +showStrippedNode (JSIdentifier s) = "JSIdentifier " ++ show s +showStrippedNode (JSIf _i _lb x1 _rb x2s x3s) = "JSIf (" ++ ss x1 ++ ") (" ++ sss x2s ++ ") (" ++ sss x3s ++ ")" +showStrippedNode (JSLabelled x1 _c x2) = "JSLabelled (" ++ ss x1 ++ ") (" ++ ss x2 ++ ")" +showStrippedNode (JSLiteral s) = "JSLiteral " ++ show s +showStrippedNode (JSMemberDot x1s _d x2 ) = "JSMemberDot " ++ sss x1s ++ " (" ++ ss x2 ++ ")" +showStrippedNode (JSMemberSquare x1s _lb x2 _rb) = "JSMemberSquare " ++ sss x1s ++ " (" ++ ss x2 ++ ")" +showStrippedNode (JSObjectLiteral _lb xs _rb) = "JSObjectLiteral " ++ sss xs +showStrippedNode (JSOperator n) = "JSOperator " ++ ss n +showStrippedNode (JSPropertyNameandValue x1 _colon x2s) = "JSPropertyNameandValue (" ++ ss x1 ++ ") " ++ sss x2s +showStrippedNode (JSPropertyAccessor s x1 _lb1 x2s _rb1 x3) = "JSPropertyAccessor " ++ show s ++ " (" ++ ss x1 ++ ") " ++ sss x2s ++ " (" ++ ss x3 ++ ")" +showStrippedNode (JSRegEx s) = "JSRegEx " ++ show s +showStrippedNode (JSReturn _r xs as) = "JSReturn " ++ sss xs ++ " " ++ ss as +--showStrippedNode (JSSourceElements xs) = "JSSourceElements " ++ sss xs +showStrippedNode (JSSourceElementsTop xs) = "JSSourceElementsTop " ++ sss xs +-- showStrippedNode (JSStatementBlock _lb x _rb) = "JSStatementBlock (" ++ ss x ++ ")" +-- showStrippedNode (JSStatementList xs) = "JSStatementList " ++ sss xs +showStrippedNode (JSStringLiteral c s) = "JSStringLiteral " ++ show c ++ " " ++ show s +showStrippedNode (JSSwitch _s _lb x _rb x2) = "JSSwitch (" ++ ss x ++ ") " ++ ss x2 +showStrippedNode (JSThrow _t x) = "JSThrow (" ++ ss x ++ ")" +showStrippedNode (JSTry _t x1 x2s) = "JSTry (" ++ ss x1 ++ ") " ++ sss x2s +showStrippedNode (JSUnary s _x) = "JSUnary " ++ show s +showStrippedNode (JSVarDecl x1 x2s) = "JSVarDecl (" ++ ss x1 ++ ") " ++ sss x2s +showStrippedNode (JSVariables n xs _as) = "JSVariables " ++ ss n ++ " " ++ sss xs +showStrippedNode (JSWhile _w _lb x1 _rb x2) = "JSWhile (" ++ ss x1 ++ ") (" ++ ss x2 ++ ")" +showStrippedNode (JSWith _w _lb x1 _rb x2s) = "JSWith (" ++ ss x1 ++ ") " ++ sss x2s + +-- EOF diff --git a/src/Language/JavaScript/Parser/Grammar5.y b/src/Language/JavaScript/Parser/Grammar5.y new file mode 100644 index 0000000..f18ba92 --- /dev/null +++ b/src/Language/JavaScript/Parser/Grammar5.y @@ -0,0 +1,1187 @@ +{ +{-# LANGUAGE BangPatterns #-} +module Language.JavaScript.Parser.Grammar5 ( + parseProgram + , parseLiteral + , parsePrimaryExpression + , parseStatement + -- debug + , fp + ) where + +-- import Control.Monad.Error.Class (throwError) +import Data.Char +import Language.JavaScript.Parser.Lexer +import Language.JavaScript.Parser.ParseError +import Language.JavaScript.Parser.ParserMonad +import Language.JavaScript.Parser.SrcLocation +import Language.JavaScript.Parser.Token +import qualified Language.JavaScript.Parser.AST as AST + +} + +-- The name of the generated function to be exported from the module +%name parseProgram Program +%name parseLiteral LiteralMain +%name parsePrimaryExpression PrimaryExpressionMain +%name parseStatement StatementMain + +%tokentype { Token } +%error { parseError } +%monad { Alex } { >>= } { return } +%lexer { lexCont } { EOFToken {} } + + +%token + + ';' { SemiColonToken {} } + ',' { CommaToken {} } + '?' { HookToken {} } + ':' { ColonToken {} } + '||' { OrToken {} } + '&&' { AndToken {} } + '|' { BitwiseOrToken {} } + '^' { BitwiseXorToken {} } + '&' { BitwiseAndToken {} } + '===' { StrictEqToken {} } + '==' { EqToken {} } + '=' { SimpleAssignToken {} } + '!==' { StrictNeToken {} } + '!=' { NeToken {} } + '<<' { LshToken {} } + '<=' { LeToken {} } + '<' { LtToken {} } + '>>>' { UrshToken {} } + '>>' { RshToken {} } + '>=' { GeToken {} } + '>' { GtToken {} } + '++' { IncrementToken {} } + '--' { DecrementToken {} } + '+' { PlusToken {} } + '-' { MinusToken {} } + '*' { MulToken {} } + '/' { DivToken {} } + '%' { ModToken {} } + '!' { NotToken {} } + '~' { BitwiseNotToken {} } + '.' { DotToken {} } + '[' { LeftBracketToken {} } + ']' { RightBracketToken {} } + '{' { LeftCurlyToken {} } + '}' { RightCurlyToken {} } + '(' { LeftParenToken {} } + ')' { RightParenToken {} } + '@*/' { CondcommentEndToken {} } + + 'break' { BreakToken {} } + 'case' { CaseToken {} } + 'catch' { CatchToken {} } + 'const' { ConstToken {} } + 'continue' { ContinueToken {} } + 'debugger' { DebuggerToken {} } + 'default' { DefaultToken {} } + 'delete' { DeleteToken {} } + 'do' { DoToken {} } + 'else' { ElseToken {} } + 'enum' { EnumToken {} } + 'false' { FalseToken {} } + 'finally' { FinallyToken {} } + 'for' { ForToken {} } + 'function' { FunctionToken {} } + 'get' { GetToken {} } + 'if' { IfToken {} } + 'in' { InToken {} } + 'instanceof' { InstanceofToken {} } + 'new' { NewToken {} } + 'null' { NullToken {} } + 'return' { ReturnToken {} } + 'set' { SetToken {} } + 'switch' { SwitchToken {} } + 'this' { ThisToken {} } + 'throw' { ThrowToken {} } + 'true' { TrueToken {} } + 'try' { TryToken {} } + 'typeof' { TypeofToken {} } + 'var' { VarToken {} } + 'void' { VoidToken {} } + 'while' { WhileToken {} } + 'with' { WithToken {} } + + + 'ident' { IdentifierToken {} } + 'decimal' { DecimalToken {} } + 'hexinteger' { HexIntegerToken {} } + 'octal' { OctalToken {} } + 'string' { StringToken {} } + 'regex' { RegExToken {} } + 'assign' { AssignToken {} } + + 'future' { FutureToken {} } + + 'tail' { TailToken {} } + 'eof' { EOFToken {} } + + +%% + +-- --------------------------------------------------------------------- +-- Sort out automatically inserted semi-colons + +AutoSemi :: { AST.JSNode } +AutoSemi : ';' { AST.NT (AST.JSLiteral ";") (ss $1) (gc $1)} + | { AST.NT (AST.JSLiteral "") tokenPosnEmpty []} + +-- --------------------------------------------------------------------- + +-- Helpers + +LParen :: { AST.JSNode } +LParen : '(' { fp (AST.NT (AST.JSLiteral "(") (ss $1) (gc $1))} + +RParen :: { AST.JSNode } +RParen : ')' { fp (AST.NT (AST.JSLiteral ")") (ss $1) (gc $1))} + + +LBrace :: { AST.JSNode } +LBrace : '{' { fp (AST.NT (AST.JSLiteral "{") (ss $1) (gc $1))} + +RBrace :: { AST.JSNode } +RBrace : '}' { fp (AST.NT (AST.JSLiteral "}") (ss $1) (gc $1))} + + +LSquare :: { AST.JSNode } +LSquare : '[' { fp (AST.NT (AST.JSLiteral "[") (ss $1) (gc $1))} + +RSquare :: { AST.JSNode } +RSquare : ']' { fp (AST.NT (AST.JSLiteral "]") (ss $1) (gc $1))} + +Comma :: { AST.JSNode } +Comma : ',' { fp (AST.NT (AST.JSLiteral ",") (ss $1) (gc $1))} + +Colon :: { AST.JSNode } +Colon : ':' { fp (AST.NT (AST.JSLiteral ":") (ss $1) (gc $1))} + +Semi :: { AST.JSNode } +Semi : ';' { fp (AST.NT (AST.JSLiteral ";") (ss $1) (gc $1))} + +Dot :: { AST.JSNode } +Dot : '.' { fp (AST.NT (AST.JSLiteral ".") (ss $1) (gc $1))} + +Increment :: { AST.JSNode } +Increment : '++' { fp (AST.NT (AST.JSLiteral "++") (ss $1) (gc $1))} + +Decrement :: { AST.JSNode } +Decrement : '--' { fp (AST.NT (AST.JSLiteral "--") (ss $1) (gc $1))} + +Delete :: { AST.JSNode } +Delete : 'delete' { fp (AST.NT (AST.JSLiteral "delete") (ss $1) (gc $1))} + +Void :: { AST.JSNode } +Void : 'void' { fp (AST.NT (AST.JSLiteral "void") (ss $1) (gc $1))} + +Typeof :: { AST.JSNode } +Typeof : 'typeof' { fp (AST.NT (AST.JSLiteral "typeof") (ss $1) (gc $1))} + +Plus :: { AST.JSNode } +Plus : '+' { fp (AST.NT (AST.JSLiteral "+") (ss $1) (gc $1))} + +Minus :: { AST.JSNode } +Minus : '-' { fp (AST.NT (AST.JSLiteral "-") (ss $1) (gc $1))} + +Tilde :: { AST.JSNode } +Tilde : '~' { fp (AST.NT (AST.JSLiteral "~") (ss $1) (gc $1))} + +Not :: { AST.JSNode } +Not : '!' { fp (AST.NT (AST.JSLiteral "!") (ss $1) (gc $1))} + +Mul :: { AST.JSNode } +Mul : '*' { fp (AST.NT (AST.JSLiteral "*") (ss $1) (gc $1))} + +Div :: { AST.JSNode } +Div : '/' { fp (AST.NT (AST.JSLiteral "/") (ss $1) (gc $1))} + +Mod :: { AST.JSNode } +Mod : '%' { fp (AST.NT (AST.JSLiteral "%") (ss $1) (gc $1))} + +Lsh :: { AST.JSNode } +Lsh : '<<' { fp (AST.NT (AST.JSLiteral "<<") (ss $1) (gc $1))} + +Rsh :: { AST.JSNode } +Rsh : '>>' { fp (AST.NT (AST.JSLiteral ">>") (ss $1) (gc $1))} + +Ursh :: { AST.JSNode } +Ursh : '>>>' { fp (AST.NT (AST.JSLiteral ">>>") (ss $1) (gc $1))} + +Le :: { AST.JSNode } +Le : '<=' { fp (AST.NT (AST.JSLiteral "<=") (ss $1) (gc $1))} + +Lt :: { AST.JSNode } +Lt : '<' { fp (AST.NT (AST.JSLiteral "<") (ss $1) (gc $1))} + +Ge :: { AST.JSNode } +Ge : '>=' { fp (AST.NT (AST.JSLiteral ">=") (ss $1) (gc $1))} + +Gt :: { AST.JSNode } +Gt : '>' { fp (AST.NT (AST.JSLiteral ">") (ss $1) (gc $1))} + +In :: { AST.JSNode } +In : 'in' { fp (AST.NT (AST.JSLiteral "in") (ss $1) (gc $1))} + +Instanceof :: { AST.JSNode } +Instanceof : 'instanceof' { fp (AST.NT (AST.JSLiteral "instanceof") (ss $1) (gc $1))} + +StrictEq :: { AST.JSNode } +StrictEq : '===' { fp (AST.NT (AST.JSLiteral "===") (ss $1) (gc $1))} + +Equal :: { AST.JSNode } +Equal : '==' { fp (AST.NT (AST.JSLiteral "==") (ss $1) (gc $1))} + +StrictNe :: { AST.JSNode } +StrictNe : '!==' { fp (AST.NT (AST.JSLiteral "!==") (ss $1) (gc $1))} + +Ne :: { AST.JSNode } +Ne : '!=' { fp (AST.NT (AST.JSLiteral "!=") (ss $1) (gc $1))} + +Or :: { AST.JSNode } +Or : '||' { fp (AST.NT (AST.JSLiteral "||") (ss $1) (gc $1))} + +And :: { AST.JSNode } +And : '&&' { fp (AST.NT (AST.JSLiteral "&&") (ss $1) (gc $1))} + +BitOr :: { AST.JSNode } +BitOr : '|' { fp (AST.NT (AST.JSLiteral "|") (ss $1) (gc $1))} + +BitAnd :: { AST.JSNode } +BitAnd : '&' { fp (AST.NT (AST.JSLiteral "&") (ss $1) (gc $1))} + +BitXor :: { AST.JSNode } +BitXor : '^' { fp (AST.NT (AST.JSLiteral "^") (ss $1) (gc $1))} + +Hook :: { AST.JSNode } +Hook : '?' { fp (AST.NT (AST.JSLiteral "?") (ss $1) (gc $1))} + +SimpleAssign :: { AST.JSNode } +SimpleAssign : '=' { fp (AST.NT (AST.JSLiteral "=") (ss $1) (gc $1))} + +Assign :: { AST.JSNode } +Assign : 'assign' { fp (AST.NT (AST.JSLiteral (token_literal $1)) (ss $1) (gc $1))} + +Var :: { AST.JSNode } +Var : 'var' { fp (AST.NT (AST.JSLiteral "var") (ss $1) (gc $1))} + +Const :: { AST.JSNode } +Const : 'const' { fp (AST.NT (AST.JSLiteral "const") (ss $1) (gc $1))} + +If :: { AST.JSNode } +If : 'if' { fp (AST.NT (AST.JSLiteral "if") (ss $1) (gc $1))} + +Else :: { AST.JSNode } +Else : 'else' { fp (AST.NT (AST.JSLiteral "else") (ss $1) (gc $1))} + +Do :: { AST.JSNode } +Do : 'do' { fp (AST.NT (AST.JSLiteral "do") (ss $1) (gc $1))} + +While :: { AST.JSNode } +While : 'while' { fp (AST.NT (AST.JSLiteral "while") (ss $1) (gc $1))} + +For :: { AST.JSNode } +For : 'for' { fp (AST.NT (AST.JSLiteral "for") (ss $1) (gc $1))} + +Continue :: { AST.JSNode } +Continue : 'continue' { fp (AST.NT (AST.JSLiteral "continue") (ss $1) (gc $1))} + +Break :: { AST.JSNode } +Break : 'break' { fp (AST.NT (AST.JSLiteral "break") (ss $1) (gc $1))} + +Return :: { AST.JSNode } +Return : 'return' { fp (AST.NT (AST.JSLiteral "return") (ss $1) (gc $1))} + +With :: { AST.JSNode } +With : 'with' { fp (AST.NT (AST.JSLiteral "with") (ss $1) (gc $1))} + +Switch :: { AST.JSNode } +Switch : 'switch' { fp (AST.NT (AST.JSLiteral "switch") (ss $1) (gc $1))} + +Case :: { AST.JSNode } +Case : 'case' { fp (AST.NT (AST.JSLiteral "case") (ss $1) (gc $1))} + +Default :: { AST.JSNode } +Default : 'default' { fp (AST.NT (AST.JSLiteral "default") (ss $1) (gc $1))} + +Throw :: { AST.JSNode } +Throw : 'throw' { fp (AST.NT (AST.JSLiteral "throw") (ss $1) (gc $1))} + +Try :: { AST.JSNode } +Try : 'try' { fp (AST.NT (AST.JSLiteral "try") (ss $1) (gc $1))} + +CatchL :: { AST.JSNode } +CatchL : 'catch' { fp (AST.NT (AST.JSLiteral "catch") (ss $1) (gc $1))} + +FinallyL :: { AST.JSNode } +FinallyL : 'finally' { fp (AST.NT (AST.JSLiteral "finally") (ss $1) (gc $1))} + +Function :: { AST.JSNode } +Function : 'function' { fp (AST.NT (AST.JSLiteral "function") (ss $1) (gc $1))} + +Eof :: { AST.JSNode } +Eof : 'tail' { fp (AST.NT (AST.JSLiteral "") (ss $1) (gc $1))} + +-- Literal :: See 7.8 +-- NullLiteral +-- BooleanLiteral +-- NumericLiteral +-- StringLiteral +Literal :: { AST.JSNode } +Literal : NullLiteral {$1} + | BooleanLiteral {$1} + | NumericLiteral {$1} + | StringLiteral {$1} + | RegularExpressionLiteral {$1} + +NullLiteral :: { AST.JSNode } +NullLiteral : 'null' { fp (AST.NT (AST.JSLiteral "null") (ss $1) (gc $1))} + +BooleanLiteral :: { AST.JSNode } +BooleanLiteral : 'true' { fp (AST.NT (AST.JSLiteral "true") (ss $1) (gc $1)) } + | 'false' { fp (AST.NT (AST.JSLiteral "false") (ss $1) (gc $1)) } + +-- ::= DecimalLiteral +-- | HexIntegerLiteral +-- | OctalLiteral +NumericLiteral :: { AST.JSNode } +NumericLiteral : 'decimal' { fp (AST.NT (AST.JSDecimal (token_literal $1)) (ss $1) (gc $1))} + | 'hexinteger' { fp (AST.NT (AST.JSHexInteger (token_literal $1)) (ss $1) (gc $1)) } + | 'octal' { fp (AST.NT (AST.JSOctal (token_literal $1)) (ss $1) (gc $1)) } + +StringLiteral :: { AST.JSNode } +StringLiteral : 'string' { fp (AST.NT (AST.JSStringLiteral (token_delimiter $1) (token_literal $1)) (ss $1) (gc $1)) } + +-- ::= RegExp +RegularExpressionLiteral :: { AST.JSNode } +RegularExpressionLiteral : 'regex' { fp (AST.NT (AST.JSRegEx (token_literal $1)) (ss $1) (gc $1)) } + +-- PrimaryExpression : See 11.1 +-- this +-- Identifier +-- Literal +-- ArrayLiteral +-- ObjectLiteral +-- ( Expression ) +PrimaryExpression :: { AST.JSNode } +PrimaryExpression : 'this' { fp (AST.NT (AST.JSLiteral "this") (ss $1) (gc $1))} + | Identifier { $1 {- PrimaryExpression1 -}} + | Literal { $1 {- PrimaryExpression2 -}} + | ArrayLiteral { $1 {- PrimaryExpression3 -}} + | ObjectLiteral { $1 {- PrimaryExpression4 -}} + | LParen Expression RParen { fp (AST.NN (AST.JSExpressionParen $1 $2 $3)) } + +-- Identifier :: See 7.6 +-- IdentifierName but not ReservedWord +-- IdentifierName :: See 7.6 +-- IdentifierStart +-- IdentifierName IdentifierPart +Identifier :: { AST.JSNode } +Identifier : 'ident' { (AST.NT (AST.JSIdentifier (token_literal $1)) (ss $1) (gc $1))} + | 'get' { (AST.NT (AST.JSIdentifier "get") (ss $1) (gc $1))} + | 'set' { (AST.NT (AST.JSIdentifier "set") (ss $1) (gc $1))} + +-- TODO: make this include any reserved word too, including future ones +IdentifierName :: { AST.JSNode } +IdentifierName : Identifier {$1} + | 'break' { fp (AST.NT (AST.JSIdentifier "break") (ss $1) (gc $1))} + | 'case' { fp (AST.NT (AST.JSIdentifier "case") (ss $1) (gc $1))} + | 'catch' { fp (AST.NT (AST.JSIdentifier "catch") (ss $1) (gc $1))} + | 'const' { fp (AST.NT (AST.JSIdentifier "const") (ss $1) (gc $1))} + | 'continue' { fp (AST.NT (AST.JSIdentifier "continue") (ss $1) (gc $1))} + | 'debugger' { fp (AST.NT (AST.JSIdentifier "debugger") (ss $1) (gc $1))} + | 'default' { fp (AST.NT (AST.JSIdentifier "default") (ss $1) (gc $1))} + | 'delete' { fp (AST.NT (AST.JSIdentifier "delete") (ss $1) (gc $1))} + | 'do' { fp (AST.NT (AST.JSIdentifier "do") (ss $1) (gc $1))} + | 'else' { fp (AST.NT (AST.JSIdentifier "else") (ss $1) (gc $1))} + | 'enum' { fp (AST.NT (AST.JSIdentifier "enum") (ss $1) (gc $1))} + | 'false' { fp (AST.NT (AST.JSIdentifier "false") (ss $1) (gc $1))} + | 'finally' { fp (AST.NT (AST.JSIdentifier "finally") (ss $1) (gc $1))} + | 'for' { fp (AST.NT (AST.JSIdentifier "for") (ss $1) (gc $1))} + | 'function' { fp (AST.NT (AST.JSIdentifier "function") (ss $1) (gc $1))} + | 'get' { fp (AST.NT (AST.JSIdentifier "get") (ss $1) (gc $1))} + | 'if' { fp (AST.NT (AST.JSIdentifier "if") (ss $1) (gc $1))} + | 'in' { fp (AST.NT (AST.JSIdentifier "in") (ss $1) (gc $1))} + | 'instanceof' { fp (AST.NT (AST.JSIdentifier "instanceof") (ss $1) (gc $1))} + | 'new' { fp (AST.NT (AST.JSIdentifier "new") (ss $1) (gc $1))} + | 'null' { fp (AST.NT (AST.JSIdentifier "null") (ss $1) (gc $1))} + | 'return' { fp (AST.NT (AST.JSIdentifier "return") (ss $1) (gc $1))} + | 'set' { fp (AST.NT (AST.JSIdentifier "set") (ss $1) (gc $1))} + | 'switch' { fp (AST.NT (AST.JSIdentifier "switch") (ss $1) (gc $1))} + | 'this' { fp (AST.NT (AST.JSIdentifier "this") (ss $1) (gc $1))} + | 'throw' { fp (AST.NT (AST.JSIdentifier "throw") (ss $1) (gc $1))} + | 'true' { fp (AST.NT (AST.JSIdentifier "true") (ss $1) (gc $1))} + | 'try' { fp (AST.NT (AST.JSIdentifier "try") (ss $1) (gc $1))} + | 'typeof' { fp (AST.NT (AST.JSIdentifier "typeof") (ss $1) (gc $1))} + | 'var' { fp (AST.NT (AST.JSIdentifier "var") (ss $1) (gc $1))} + | 'void' { fp (AST.NT (AST.JSIdentifier "void") (ss $1) (gc $1))} + | 'while' { fp (AST.NT (AST.JSIdentifier "while") (ss $1) (gc $1))} + | 'with' { fp (AST.NT (AST.JSIdentifier "with") (ss $1) (gc $1))} + | 'future' { fp (AST.NT (AST.JSIdentifier (token_literal $1)) (ss $1) (gc $1))} + + + +-- ArrayLiteral : See 11.1.4 +-- [ Elisionopt ] +-- [ ElementList ] +-- [ ElementList , Elisionopt ] +ArrayLiteral :: { AST.JSNode } +ArrayLiteral : LSquare RSquare { fp (AST.NN (AST.JSArrayLiteral $1 [] $2))} + | LSquare Elision RSquare { fp (AST.NN (AST.JSArrayLiteral $1 $2 $3))} + | LSquare ElementList RSquare { fp (AST.NN (AST.JSArrayLiteral $1 $2 $3))} + | LSquare ElementList Comma Elision RSquare { fp (AST.NN (AST.JSArrayLiteral $1 ($2++[$3]++$4) $5))} + | LSquare ElementList Comma RSquare { fp (AST.NN (AST.JSArrayLiteral $1 ($2++[$3]) $4))} + + + +-- ElementList : See 11.1.4 +-- Elisionopt AssignmentExpression +-- ElementList , Elisionopt AssignmentExpression +ElementList :: { [AST.JSNode] } +ElementList : Elision AssignmentExpression { (($1)++($2)) {- ElementList -}} + | AssignmentExpression { $1 {- ElementList -}} + | ElementList Comma Elision AssignmentExpression { (($1)++[fp (AST.NN (AST.JSElision $2))]++($3)++($4)) {- ElementList -}} + | ElementList Comma AssignmentExpression { (($1)++[fp (AST.NN (AST.JSElision $2))]++($3)) {- ElementList -}} + + +-- Elision : See 11.1.4 +-- , +-- Elision , +Elision :: { [AST.JSNode] } +Elision : Comma { [ fp (AST.NN (AST.JSElision $1))] } + | Elision Comma { ($1 ++ [fp (AST.NN (AST.JSElision $2))]) } + +-- ObjectLiteral : See 11.1.5 +-- { } +-- { PropertyNameAndValueList } +-- { PropertyNameAndValueList , } +ObjectLiteral :: { AST.JSNode } +ObjectLiteral : LBrace RBrace { fp (AST.NN (AST.JSObjectLiteral $1 [] $2) )} + | LBrace PropertyNameandValueList RBrace { fp (AST.NN (AST.JSObjectLiteral $1 $2 $3) )} + | LBrace PropertyNameandValueList Comma RBrace { fp (AST.NN (AST.JSObjectLiteral $1 ($2++[$3]) $4) )} + +-- ::= ':' +-- | ',' ':' + +-- Seems we can have function declarations in the value part too +-- PropertyNameAndValueList : See 11.1.5 +-- PropertyAssignment +-- PropertyNameAndValueList , PropertyAssignment +PropertyNameandValueList :: { [ AST.JSNode ] } +PropertyNameandValueList : PropertyAssignment { [$1] {- PropertyNameandValueList1 -} } + | PropertyNameandValueList Comma PropertyAssignment { ($1++[$2]++[$3]) {- PropertyNameandValueList2 -} } + +-- PropertyAssignment : See 11.1.5 +-- PropertyName : AssignmentExpression +-- get PropertyName() { FunctionBody } +-- set PropertyName( PropertySetParameterList ) { FunctionBody } +-- TODO: not clear if get/set are keywords, or just used in a specific context. Puzzling. +PropertyAssignment :: { AST.JSNode } +PropertyAssignment : PropertyName Colon AssignmentExpression { fp (AST.NN (AST.JSPropertyNameandValue $1 $2 $3)) } + -- Should be "get" in next, but is not a Token + | 'get' PropertyName LParen RParen FunctionBody + { fp (AST.NN (AST.JSPropertyAccessor (AST.NT (AST.JSLiteral "get") (ss $1) (gc $1)) $2 $3 [] $4 $5)) } + -- Should be "set" in next, but is not a Token + | 'set' PropertyName LParen PropertySetParameterList RParen FunctionBody + { fp (AST.NN (AST.JSPropertyAccessor (AST.NT (AST.JSLiteral "set") (ss $1) (gc $1)) $2 $3 [$4] $5 $6)) } + +-- PropertyName : See 11.1.5 +-- IdentifierName +-- StringLiteral +-- NumericLiteral +PropertyName :: { AST.JSNode } +PropertyName : IdentifierName { $1 {- PropertyName1 -}} + | StringLiteral { $1 {- PropertyName2 -}} + | NumericLiteral { $1 {- PropertyName3 -}} + +-- PropertySetParameterList : See 11.1.5 +-- Identifier +PropertySetParameterList :: { AST.JSNode } +PropertySetParameterList : Identifier { $1 {- PropertySetParameterList -}} + +-- MemberExpression : See 11.2 +-- PrimaryExpression +-- FunctionExpression +-- MemberExpression [ Expression ] +-- MemberExpression . IdentifierName +-- new MemberExpression Arguments +MemberExpression :: { [AST.JSNode] } +MemberExpression : PrimaryExpression { [$1] {- MemberExpression -}} + | FunctionExpression { [$1] {- MemberExpression -}} + | MemberExpression LSquare Expression RSquare { [fp (AST.NN (AST.JSMemberSquare $1 $2 $3 $4))] } + | MemberExpression Dot IdentifierName { [fp (AST.NN (AST.JSMemberDot $1 $2 $3))] } + | 'new' MemberExpression Arguments { (((fp (AST.NT (AST.JSLiteral "new") (ss $1) (gc $1))):$2)++[$3])} + +-- NewExpression : See 11.2 +-- MemberExpression +-- new NewExpression +NewExpression :: { [AST.JSNode] } +NewExpression : MemberExpression { $1 {- NewExpression -}} + | 'new' NewExpression { (fp (AST.NT (AST.JSLiteral "new") (ss $1) (gc $1))):$2 } + +-- CallExpression : See 11.2 +-- MemberExpression Arguments +-- CallExpression Arguments +-- CallExpression [ Expression ] +-- CallExpression . IdentifierName +CallExpression :: { [AST.JSNode] } +CallExpression : MemberExpression Arguments { $1++[$2] {- CallExpression -} } + | CallExpression Arguments { ($1++[fp (AST.NN (AST.JSCallExpression "()" [] [$2] []))]) } + | CallExpression LSquare Expression RSquare { ($1++[fp (AST.NN (AST.JSCallExpression "[]" [$2] [$3] [$4]))]) } + | CallExpression Dot IdentifierName { ($1++[fp (AST.NN (AST.JSCallExpression "." [$2] [$3] []))]) } + +-- Arguments : See 11.2 +-- () +-- ( ArgumentList ) +Arguments :: { AST.JSNode } +Arguments : LParen RParen { fp (AST.NN (AST.JSArguments $1 [] $2)) } + | LParen ArgumentList RParen { fp (AST.NN (AST.JSArguments $1 $2 $3)) } + +-- ArgumentList : See 11.2 +-- AssignmentExpression +-- ArgumentList , AssignmentExpression +ArgumentList :: { [AST.JSNode] } +ArgumentList : AssignmentExpression { $1 {- ArgumentList -}} + | ArgumentList Comma AssignmentExpression { $1++[$2]++$3 {- ArgumentList2 -} } + +-- LeftHandSideExpression : See 11.2 +-- NewExpression +-- CallExpression +LeftHandSideExpression :: { [AST.JSNode] } +LeftHandSideExpression : NewExpression { $1 {- LeftHandSideExpression1 -}} + | CallExpression { $1 {- LeftHandSideExpression12 -}} + +-- PostfixExpression : See 11.3 +-- LeftHandSideExpression +-- [no LineTerminator here] +-- LeftHandSideExpression ++ +-- [no LineTerminator here] +-- LeftHandSideExpression -- +PostfixExpression :: { [AST.JSNode] } +PostfixExpression : LeftHandSideExpression { $1 {- PostfixExpression -} } + | PostfixExpression Increment {[fp (AST.NN (AST.JSExpressionPostfix "++" $1 $2))]} + | PostfixExpression Decrement {[fp (AST.NN (AST.JSExpressionPostfix "--" $1 $2))]} + +-- UnaryExpression : See 11.4 +-- PostfixExpression +-- delete UnaryExpression +-- void UnaryExpression +-- typeof UnaryExpression +-- ++ UnaryExpression +-- -- UnaryExpression +-- + UnaryExpression +-- - UnaryExpression +-- ~ UnaryExpression +-- ! UnaryExpression +UnaryExpression :: { [AST.JSNode] } +UnaryExpression : PostfixExpression { $1 {- UnaryExpression -} } + | Delete UnaryExpression { ((fp (AST.NN (AST.JSUnary "delete " $1))):$2)} + | Void UnaryExpression { ((fp (AST.NN (AST.JSUnary "void " $1))):$2)} + | Typeof UnaryExpression { ((fp (AST.NN (AST.JSUnary "typeof " $1))):$2)} + | Increment UnaryExpression { ((fp (AST.NN (AST.JSUnary "++" $1))):$2) } + | Decrement UnaryExpression { ((fp (AST.NN (AST.JSUnary "--" $1))):$2)} + | Plus UnaryExpression { ((fp (AST.NN (AST.JSUnary "+" $1))):$2)} + | Minus UnaryExpression { ((fp (AST.NN (AST.JSUnary "-" $1))):$2)} + | Tilde UnaryExpression { ((fp (AST.NN (AST.JSUnary "~" $1))):$2)} + | Not UnaryExpression { ((fp (AST.NN (AST.JSUnary "!" $1))):$2)} + +-- MultiplicativeExpression : See 11.5 +-- UnaryExpression +-- MultiplicativeExpression * UnaryExpression +-- MultiplicativeExpression / UnaryExpression +-- MultiplicativeExpression % UnaryExpression +MultiplicativeExpression :: { [AST.JSNode] } +MultiplicativeExpression : UnaryExpression { $1 {- MultiplicativeExpression -}} + | MultiplicativeExpression Mul UnaryExpression { [fp (AST.NN (AST.JSExpressionBinary "*" $1 $2 $3))]} + | MultiplicativeExpression Div UnaryExpression { [fp (AST.NN (AST.JSExpressionBinary "/" $1 $2 $3))]} + | MultiplicativeExpression Mod UnaryExpression { [fp (AST.NN (AST.JSExpressionBinary "%" $1 $2 $3))]} + +-- AdditiveExpression : See 11.6 +-- MultiplicativeExpression +-- AdditiveExpression + MultiplicativeExpression +-- AdditiveExpression - MultiplicativeExpression +AdditiveExpression :: { [AST.JSNode] } +AdditiveExpression : AdditiveExpression Plus MultiplicativeExpression { [fp (AST.NN (AST.JSExpressionBinary "+" $1 $2 $3))]} + | AdditiveExpression Minus MultiplicativeExpression { [fp (AST.NN (AST.JSExpressionBinary "-" $1 $2 $3))]} + | MultiplicativeExpression { $1 {- (goRegExp $1)-} {- AdditiveExpression -} } + +-- ShiftExpression : See 11.7 +-- AdditiveExpression +-- ShiftExpression << AdditiveExpression +-- ShiftExpression >> AdditiveExpression +-- ShiftExpression >>> AdditiveExpression +ShiftExpression :: { [AST.JSNode] } +ShiftExpression : ShiftExpression Lsh AdditiveExpression { [fp (AST.NN (AST.JSExpressionBinary "<<" $1 $2 $3))]} + | ShiftExpression Rsh AdditiveExpression { [fp (AST.NN (AST.JSExpressionBinary ">>" $1 $2 $3))]} + | ShiftExpression Ursh AdditiveExpression { [fp (AST.NN (AST.JSExpressionBinary ">>>" $1 $2 $3))]} + | AdditiveExpression { $1 {- ShiftExpression -}} + +-- RelationalExpression : See 11.8 +-- ShiftExpression +-- RelationalExpression < ShiftExpression +-- RelationalExpression > ShiftExpression +-- RelationalExpression <= ShiftExpression +-- RelationalExpression >= ShiftExpression +-- RelationalExpression instanceof ShiftExpression +-- RelationalExpression in ShiftExpression +RelationalExpression :: { [AST.JSNode] } +RelationalExpression : ShiftExpression { $1 {- RelationalExpression -}} + | RelationalExpression Lt ShiftExpression { [fp (AST.NN (AST.JSExpressionBinary "<" $1 $2 $3))]} + | RelationalExpression Gt ShiftExpression { [fp (AST.NN (AST.JSExpressionBinary ">" $1 $2 $3))]} + | RelationalExpression Le ShiftExpression { [fp (AST.NN (AST.JSExpressionBinary "<=" $1 $2 $3))]} + | RelationalExpression Ge ShiftExpression { [fp (AST.NN (AST.JSExpressionBinary ">=" $1 $2 $3))]} + | RelationalExpression Instanceof ShiftExpression { [fp (AST.NN (AST.JSExpressionBinary " instanceof " $1 $2 $3))]} + | RelationalExpression In ShiftExpression { [fp (AST.NN (AST.JSExpressionBinary " in " $1 $2 $3))]} + +-- RelationalExpressionNoIn : See 11.8 +-- ShiftExpression +-- RelationalExpressionNoIn < ShiftExpression +-- RelationalExpressionNoIn > ShiftExpression +-- RelationalExpressionNoIn <= ShiftExpression +-- RelationalExpressionNoIn >= ShiftExpression +-- RelationalExpressionNoIn instanceof ShiftExpression +RelationalExpressionNoIn :: { [AST.JSNode] } +RelationalExpressionNoIn : ShiftExpression { $1 {- RelationalExpressionNoIn -}} + | RelationalExpressionNoIn Lt ShiftExpression { [fp (AST.NN (AST.JSExpressionBinary "<" $1 $2 $3))]} + | RelationalExpressionNoIn Gt ShiftExpression { [fp (AST.NN (AST.JSExpressionBinary ">" $1 $2 $3))]} + | RelationalExpressionNoIn Le ShiftExpression { [fp (AST.NN (AST.JSExpressionBinary "<=" $1 $2 $3))]} + | RelationalExpressionNoIn Ge ShiftExpression { [fp (AST.NN (AST.JSExpressionBinary ">=" $1 $2 $3))]} + | RelationalExpressionNoIn Instanceof ShiftExpression { [fp (AST.NN (AST.JSExpressionBinary " instanceof " $1 $2 $3))]} + +-- EqualityExpression : See 11.9 +-- RelationalExpression +-- EqualityExpression == RelationalExpression +-- EqualityExpression != RelationalExpression +-- EqualityExpression === RelationalExpression +-- EqualityExpression !== RelationalExpression +EqualityExpression :: { [AST.JSNode] } +EqualityExpression : RelationalExpression { $1 {- EqualityExpression -} } + | EqualityExpression Equal RelationalExpression { [fp (AST.NN (AST.JSExpressionBinary "==" $1 $2 $3))]} + | EqualityExpression Ne RelationalExpression { [fp (AST.NN (AST.JSExpressionBinary "!=" $1 $2 $3))]} + | EqualityExpression StrictEq RelationalExpression { [fp (AST.NN (AST.JSExpressionBinary "===" $1 $2 $3))]} + | EqualityExpression StrictNe RelationalExpression { [fp (AST.NN (AST.JSExpressionBinary "!==" $1 $2 $3))]} + +-- EqualityExpressionNoIn : See 11.9 +-- RelationalExpressionNoIn +-- EqualityExpressionNoIn == RelationalExpressionNoIn +-- EqualityExpressionNoIn != RelationalExpressionNoIn +-- EqualityExpressionNoIn === RelationalExpressionNoIn +-- EqualityExpressionNoIn !== RelationalExpressionNoIn +EqualityExpressionNoIn :: { [AST.JSNode] } +EqualityExpressionNoIn : RelationalExpressionNoIn { $1 {- EqualityExpressionNoIn -} } + | EqualityExpressionNoIn Equal RelationalExpression { [fp (AST.NN (AST.JSExpressionBinary "==" $1 $2 $3))]} + | EqualityExpressionNoIn Ne RelationalExpression { [fp (AST.NN (AST.JSExpressionBinary "!=" $1 $2 $3))]} + | EqualityExpressionNoIn StrictEq RelationalExpression { [fp (AST.NN (AST.JSExpressionBinary "===" $1 $2 $3))]} + | EqualityExpressionNoIn StrictNe RelationalExpression { [fp (AST.NN (AST.JSExpressionBinary "!==" $1 $2 $3))]} + +-- BitwiseANDExpression : See 11.10 +-- EqualityExpression +-- BitwiseANDExpression & EqualityExpression +BitwiseAndExpression :: { [AST.JSNode] } +BitwiseAndExpression : EqualityExpression { $1 {- BitwiseAndExpression -} } + | BitwiseAndExpression BitAnd EqualityExpression { [fp (AST.NN (AST.JSExpressionBinary "&" $1 $2 $3))]} + +-- BitwiseANDExpressionNoIn : See 11.10 +-- EqualityExpressionNoIn +-- BitwiseANDExpressionNoIn & EqualityExpressionNoIn +BitwiseAndExpressionNoIn :: { [AST.JSNode] } +BitwiseAndExpressionNoIn : EqualityExpressionNoIn { $1 {- BitwiseAndExpression -} } + | BitwiseAndExpressionNoIn BitAnd EqualityExpressionNoIn { [fp (AST.NN (AST.JSExpressionBinary "&" $1 $2 $3))]} + +-- BitwiseXORExpression : See 11.10 +-- BitwiseANDExpression +-- BitwiseXORExpression ^ BitwiseANDExpression +BitwiseXOrExpression :: { [AST.JSNode] } +BitwiseXOrExpression : BitwiseAndExpression { $1 {- BitwiseXOrExpression -} } + | BitwiseXOrExpression BitXor BitwiseAndExpression { [fp (AST.NN (AST.JSExpressionBinary "^" $1 $2 $3))]} + +-- BitwiseXORExpressionNoIn : See 11.10 +-- BitwiseANDExpressionNoIn +-- BitwiseXORExpressionNoIn ^ BitwiseANDExpressionNoIn +BitwiseXOrExpressionNoIn :: { [AST.JSNode] } +BitwiseXOrExpressionNoIn : BitwiseAndExpressionNoIn { $1 {- BitwiseXOrExpression -} } + | BitwiseXOrExpressionNoIn BitXor BitwiseAndExpressionNoIn { [fp (AST.NN (AST.JSExpressionBinary "^" $1 $2 $3))]} + +-- BitwiseORExpression : See 11.10 +-- BitwiseXORExpression +-- BitwiseORExpression | BitwiseXORExpression +BitwiseOrExpression :: { [AST.JSNode] } +BitwiseOrExpression : BitwiseXOrExpression { $1 {- BitwiseOrExpression -} } + | BitwiseOrExpression BitOr BitwiseXOrExpression { [fp (AST.NN (AST.JSExpressionBinary "|" $1 $2 $3))]} + +-- BitwiseORExpressionNoIn : See 11.10 +-- BitwiseXORExpressionNoIn +-- BitwiseORExpressionNoIn | BitwiseXORExpressionNoIn +BitwiseOrExpressionNoIn :: { [AST.JSNode] } +BitwiseOrExpressionNoIn : BitwiseXOrExpressionNoIn { $1 {- BitwiseOrExpression -} } + | BitwiseOrExpressionNoIn BitOr BitwiseXOrExpressionNoIn { [fp (AST.NN (AST.JSExpressionBinary "|" $1 $2 $3))]} + +-- LogicalANDExpression : See 11.11 +-- BitwiseORExpression +-- LogicalANDExpression && BitwiseORExpression +LogicalAndExpression :: { [AST.JSNode] } +LogicalAndExpression : BitwiseOrExpression { $1 {- LogicalAndExpression -} } + | LogicalAndExpression And BitwiseOrExpression { [fp (AST.NN (AST.JSExpressionBinary "&&" $1 $2 $3))]} + +-- LogicalANDExpressionNoIn : See 11.11 +-- BitwiseORExpressionNoIn +-- LogicalANDExpressionNoIn && BitwiseORExpressionNoIn +LogicalAndExpressionNoIn :: { [AST.JSNode] } +LogicalAndExpressionNoIn : BitwiseOrExpressionNoIn { $1 {- LogicalAndExpression -} } + | LogicalAndExpressionNoIn And BitwiseOrExpressionNoIn { [fp (AST.NN (AST.JSExpressionBinary "&&" $1 $2 $3))]} + +-- LogicalORExpression : See 11.11 +-- LogicalANDExpression +-- LogicalORExpression || LogicalANDExpression +LogicalOrExpression :: { [AST.JSNode] } +LogicalOrExpression : LogicalAndExpression { $1 {- LogicalOrExpression -} } + | LogicalOrExpression Or LogicalAndExpression { [fp (AST.NN (AST.JSExpressionBinary "||" $1 $2 $3))]} + +-- LogicalORExpressionNoIn : See 11.11 +-- LogicalANDExpressionNoIn +-- LogicalORExpressionNoIn || LogicalANDExpressionNoIn +LogicalOrExpressionNoIn :: { [AST.JSNode] } +LogicalOrExpressionNoIn : LogicalAndExpressionNoIn { $1 {- LogicalOrExpression -} } + | LogicalOrExpressionNoIn Or LogicalAndExpressionNoIn { [fp (AST.NN (AST.JSExpressionBinary "||" $1 $2 $3))]} + +-- ConditionalExpression : See 11.12 +-- LogicalORExpression +-- LogicalORExpression ? AssignmentExpression : AssignmentExpression +ConditionalExpression :: { [AST.JSNode] } +ConditionalExpression : LogicalOrExpression { $1 {- ConditionalExpression -} } + | LogicalOrExpression Hook AssignmentExpression Colon AssignmentExpression + { [fp (AST.NN (AST.JSExpressionTernary $1 $2 $3 $4 $5))] } + +-- ConditionalExpressionNoIn : See 11.12 +-- LogicalORExpressionNoIn +-- LogicalORExpressionNoIn ? AssignmentExpressionNoIn : AssignmentExpressionNoIn +ConditionalExpressionNoIn :: { [AST.JSNode] } +ConditionalExpressionNoIn : LogicalOrExpressionNoIn { $1 {- ConditionalExpression -} } + | LogicalOrExpressionNoIn Hook AssignmentExpressionNoIn Colon AssignmentExpressionNoIn + { [fp (AST.NN (AST.JSExpressionTernary $1 $2 $3 $4 $5))] } + +-- AssignmentExpression : See 11.13 +-- ConditionalExpression +-- LeftHandSideExpression AssignmentOperator AssignmentExpression +AssignmentExpression :: { [AST.JSNode] } +AssignmentExpression : ConditionalExpression { $1 {- AssignmentExpression -}} + | LeftHandSideExpression AssignmentOperator AssignmentExpression + { ($1++[$2]++$3) } + +-- AssignmentExpressionNoIn : See 11.13 +-- ConditionalExpressionNoIn +-- LeftHandSideExpression AssignmentOperator AssignmentExpressionNoIn +AssignmentExpressionNoIn :: { [AST.JSNode] } +AssignmentExpressionNoIn : ConditionalExpressionNoIn { $1 {- AssignmentExpression -}} + | LeftHandSideExpression AssignmentOperator AssignmentExpressionNoIn + { ($1++[$2]++$3) } + +-- AssignmentOperator : one of See 11.13 +-- '=' | '*=' | '/=' | '%=' | '+=' | '-=' | '<<=' | '>>=' | '>>>=' | '&=' | '^=' | '|=' +AssignmentOperator :: { AST.JSNode } +AssignmentOperator : Assign { fp (AST.NN (AST.JSOperator $1))} + | SimpleAssign { fp (AST.NN (AST.JSOperator $1))} + +-- Expression : See 11.14 +-- AssignmentExpression +-- Expression , AssignmentExpression +Expression :: { AST.JSNode } +Expression : AssignmentExpression { fp (AST.NN (AST.JSExpression $1)) {- Expression -} } + | Expression Comma AssignmentExpression { fp (AST.NN (AST.JSExpression ($1:[$2]++$3))) {- Expression2 -} } + +-- ExpressionNoIn : See 11.14 +-- AssignmentExpressionNoIn +-- ExpressionNoIn , AssignmentExpressionNoIn +ExpressionNoIn :: { AST.JSNode } +ExpressionNoIn : AssignmentExpressionNoIn { fp (AST.NN (AST.JSExpression $1)) {- ExpressionNoIn -} } + | ExpressionNoIn Comma AssignmentExpressionNoIn { fp (AST.NN (AST.JSExpression ($1:[$2]++$3))) {- ExpressionNoIn2 -} } + +-- TODO: still required? +ExpressionOpt :: { [AST.JSNode] } +ExpressionOpt : Expression { [$1] {- ExpressionOpt -}} + | { [] {- ExpressionOpt -}} + +ExpressionNoInOpt :: { [AST.JSNode] } +ExpressionNoInOpt : ExpressionNoIn { [$1] {- ExpressionOpt -}} + | { [] {- ExpressionOpt -}} + + +-- Statement : See clause 12 +-- Block +-- VariableStatement +-- EmptyStatement +-- ExpressionStatement +-- IfStatement +-- IterationStatement +-- ContinueStatement +-- BreakStatement +-- ReturnStatement +-- WithStatement +-- LabelledStatement +-- SwitchStatement +-- ThrowStatement +-- TryStatement +-- DebuggerStatement +Statement :: { AST.JSNode } +Statement : StatementNoEmpty { $1 {- Statement1 -}} + | EmptyStatement { $1 {- Statement3 -}} + +StatementNoEmpty :: { AST.JSNode } +StatementNoEmpty : StatementBlock { $1 {- StatementNoEmpty1 -}} + | VariableStatement { $1 {- StatementNoEmpty2 -}} + | ExpressionStatement { $1 {- StatementNoEmpty4 -}} + | IfStatement { $1 {- StatementNoEmpty5 -}} + | IterationStatement { $1 {- StatementNoEmpty6 -}} + | ContinueStatement { $1 {- StatementNoEmpty7 -}} + | BreakStatement { $1 {- StatementNoEmpty8 -}} + | ReturnStatement { $1 {- StatementNoEmpty9 -}} + | WithStatement { $1 {- StatementNoEmpty10 -}} + | LabelledStatement { $1 {- StatementNoEmpty11 -}} + | SwitchStatement { $1 {- StatementNoEmpty12 -}} + | ThrowStatement { $1 {- StatementNoEmpty13 -}} + | TryStatement { $1 {- StatementNoEmpty14 -}} + | DebuggerStatement { $1 {- StatementNoEmpty15 -}} + + +StatementBlock :: { AST.JSNode } +StatementBlock : LBrace RBrace { fp (AST.NN (AST.JSBlock [$1] [] [$2])) } + | LBrace StatementList RBrace { fp (AST.NN (AST.JSBlock [$1] $2 [$3])) } + +-- Block : See 12.1 +-- { StatementListopt } +Block :: { AST.JSNode } +Block : LBrace RBrace { fp (AST.NN (AST.JSBlock [$1] [] [$2])) } + | LBrace StatementList RBrace { fp (AST.NN (AST.JSBlock [$1] $2 [$3])) } + +-- StatementList : See 12.1 +-- Statement +-- StatementList Statement +StatementList :: { [AST.JSNode] } +StatementList : Statement { [$1] {- StatementList1 -} } + | StatementList Statement { ($1++[$2]) {- StatementList2 -} } + +-- VariableStatement : See 12.2 +-- var VariableDeclarationList ; +VariableStatement :: { AST.JSNode } +VariableStatement : Var VariableDeclarationList AutoSemi { fp (AST.NN (AST.JSVariables $1 $2 $3))} + | Const VariableDeclarationList AutoSemi { fp (AST.NN (AST.JSVariables $1 $2 $3))} + +-- VariableDeclarationList : See 12.2 +-- VariableDeclaration +-- VariableDeclarationList , VariableDeclaration +VariableDeclarationList :: { [AST.JSNode] } +VariableDeclarationList : VariableDeclaration { [$1] {- VariableDeclarationList -}} + | VariableDeclarationList Comma VariableDeclaration { ($1++[$2]++[$3]) {- VariableDeclarationList -}} + +-- VariableDeclarationListNoIn : See 12.2 +-- VariableDeclarationNoIn +-- VariableDeclarationListNoIn , VariableDeclarationNoIn +VariableDeclarationListNoIn :: { [AST.JSNode] } +VariableDeclarationListNoIn : VariableDeclarationNoIn { [$1] {- VariableDeclarationList -}} + | VariableDeclarationListNoIn Comma VariableDeclarationNoIn { ($1++[$2]++[$3]) {- VariableDeclarationListNoIn -}} + +-- VariableDeclaration : See 12.2 +-- Identifier Initialiseropt +VariableDeclaration :: { AST.JSNode } +VariableDeclaration : Identifier { fp (AST.NN (AST.JSVarDecl $1 []))} + | Identifier Initializer { fp (AST.NN (AST.JSVarDecl $1 $2))} + +-- VariableDeclarationNoIn : See 12.2 +-- Identifier InitialiserNoInopt +VariableDeclarationNoIn :: { AST.JSNode } +VariableDeclarationNoIn : Identifier InitializerNoIn { fp (AST.NN (AST.JSVarDecl $1 $2)) } + | Identifier { fp (AST.NN (AST.JSVarDecl $1 [])) } + +-- Initialiser : See 12.2 +-- = AssignmentExpression +Initializer :: { [AST.JSNode] } +Initializer : SimpleAssign AssignmentExpression { $1:$2 {- Initializer -} } + +-- InitialiserNoIn : See 12.2 +-- = AssignmentExpressionNoIn +InitializerNoIn :: { [AST.JSNode] } +InitializerNoIn : SimpleAssign AssignmentExpressionNoIn { $1:$2 {- InitializerNoIn -}} + +-- EmptyStatement : See 12.3 +-- ; +EmptyStatement :: { AST.JSNode } +EmptyStatement : Semi { $1 } + +-- ExpressionStatement : See 12.4 +-- [lookahead not in {{, function}] Expression ; +-- TODO: Sort out lookahead issue. Maybe by just putting production lower to set reduce/reduce conflict +-- According to http://sideshowbarker.github.com/es5-spec/#x12.4, the ambiguity is with +-- Block or FunctionDeclaration +ExpressionStatement :: { AST.JSNode } +ExpressionStatement : Expression { $1 {- ExpressionStatement -} } + + +-- IfStatement : See 12.5 +-- if ( Expression ) Statement else Statement +-- if ( Expression ) Statement +IfStatement :: { AST.JSNode } -- +++XXXX++ +IfStatement : If LParen Expression RParen StatementSemi IfElseRest + { (fp (AST.NN (AST.JSIf $1 $2 $3 $4 $5 $6)) ) } + +IfElseRest :: { [AST.JSNode] } +IfElseRest : Else Statement { [$1,$2] } + | { [] } + +StatementSemi :: { [AST.JSNode] } +StatementSemi : StatementNoEmpty Semi { [$1,$2] {- StatementSemi1 -}} + | StatementNoEmpty { [$1] {- StatementSemi2 -}} + | Semi { [$1] {- StatementSemi3 -}} + + +-- IterationStatement : See 12.6 +-- do Statement while ( Expression ); +-- while ( Expression ) Statement +-- for (ExpressionNoInopt; Expressionopt ; Expressionopt ) Statement +-- for ( var VariableDeclarationListNoIn; Expressionopt ; Expressionopt ) Statement +-- for ( LeftHandSideExpression in Expression ) Statement +-- for ( var VariableDeclarationNoIn in Expression ) Statement +IterationStatement :: { AST.JSNode } +IterationStatement : Do Statement While LParen Expression RParen AutoSemi + { fp (AST.NN (AST.JSDoWhile $1 $2 $3 $4 $5 $6 $7)) } + | While LParen Expression RParen Statement + { fp (AST.NN (AST.JSWhile $1 $2 $3 $4 $5)) } + | For LParen ExpressionNoInOpt Semi ExpressionOpt Semi ExpressionOpt RParen Statement + { fp (AST.NN (AST.JSFor $1 $2 $3 $4 $5 $6 $7 $8 $9)) } + | For LParen Var VariableDeclarationListNoIn Semi ExpressionOpt Semi ExpressionOpt RParen Statement + { fp (AST.NN (AST.JSForVar $1 $2 $3 $4 $5 $6 $7 $8 $9 $10)) } + | For LParen LeftHandSideExpression In Expression RParen Statement + { fp (AST.NN (AST.JSForIn $1 $2 $3 $4 $5 $6 $7)) } + | For LParen Var VariableDeclarationNoIn In Expression RParen Statement + { fp (AST.NN (AST.JSForVarIn $1 $2 $3 $4 $5 $6 $7 $8)) } + +-- ContinueStatement : See 12.7 +-- continue [no LineTerminator here] Identifieropt ; +-- TODO: deal with [no LineTerminator here] +ContinueStatement :: { AST.JSNode } +ContinueStatement : Continue AutoSemi { fp (AST.NN (AST.JSContinue $1 [] $2)) } + | Continue Identifier AutoSemi { fp (AST.NN (AST.JSContinue $1 [$2] $3)) } + +-- BreakStatement : See 12.8 +-- break [no LineTerminator here] Identifieropt ; +-- TODO: deal with [no LineTerminator here] +BreakStatement :: { AST.JSNode } +BreakStatement : Break AutoSemi { fp (AST.NN (AST.JSBreak $1 [] $2)) } + | Break Identifier AutoSemi { fp (AST.NN (AST.JSBreak $1 [$2] $3)) } + +-- ReturnStatement : See 12.9 +-- return [no LineTerminator here] Expressionopt ; +-- TODO: deal with [no LineTerminator here] +ReturnStatement :: { AST.JSNode } +ReturnStatement : Return AutoSemi { fp (AST.NN (AST.JSReturn $1 [] $2)) } + | Return Expression AutoSemi { fp (AST.NN (AST.JSReturn $1 [$2] $3)) } + +-- WithStatement : See 12.10 +-- with ( Expression ) Statement +WithStatement :: { AST.JSNode } +WithStatement : With LParen Expression RParen Statement AutoSemi { fp (AST.NN (AST.JSWith $1 $2 $3 $4 [$5,$6])) } + +-- SwitchStatement : See 12.11 +-- switch ( Expression ) CaseBlock +SwitchStatement :: { AST.JSNode } +SwitchStatement : Switch LParen Expression RParen CaseBlock { (AST.NN (AST.JSSwitch $1 $2 $3 $4 $5)) } + +-- CaseBlock : See 12.11 +-- { CaseClausesopt } +-- { CaseClausesopt DefaultClause CaseClausesopt } +CaseBlock :: { AST.JSNode } +CaseBlock : LBrace CaseClausesOpt RBrace { fp (AST.NN (AST.JSBlock [$1] $2 [$3])){- CaseBlock1 -}} + | LBrace CaseClausesOpt DefaultClause CaseClausesOpt RBrace { fp (AST.NN (AST.JSBlock [$1] ($2++[$3]++$4) [$5])){- CaseBlock2 -}} + +-- CaseClauses : See 12.11 +-- CaseClause +-- CaseClauses CaseClause +CaseClausesOpt :: { [AST.JSNode] } +CaseClausesOpt : CaseClause { [$1] {- CaseClauses1 -}} + | CaseClausesOpt CaseClause { ($1++[$2]) {- CaseClauses2 -}} + | { [fp (AST.NT (AST.JSLiteral "") tokenPosnEmpty []) ] } -- { [] } + +-- CaseClause : See 12.11 +-- case Expression : StatementListopt +CaseClause :: { AST.JSNode } +CaseClause : Case Expression Colon StatementList { fp (AST.NN (AST.JSCase $1 $2 $3 $4)) } + | Case Expression Colon { fp (AST.NN (AST.JSCase $1 $2 $3 [])) } + +-- DefaultClause : See 12.11 +-- default : StatementListopt +DefaultClause :: { AST.JSNode } +DefaultClause : Default Colon { fp (AST.NN (AST.JSDefault $1 $2 [])) } + | Default Colon StatementList { fp (AST.NN (AST.JSDefault $1 $2 $3)) } + +-- LabelledStatement : See 12.12 +-- Identifier : Statement +LabelledStatement :: { AST.JSNode } +LabelledStatement : Identifier Colon Statement { fp (AST.NN (AST.JSLabelled $1 $2 $3)) } + +-- ThrowStatement : See 12.13 +-- throw [no LineTerminator here] Expression ; +-- TODO : sort out no LineTerminator here +-- Does it need a semi at the end? +ThrowStatement :: { AST.JSNode } +ThrowStatement : Throw Expression { fp (AST.NN (AST.JSThrow $1 $2)) } + +-- Note: worked in updated syntax as per https://developer.mozilla.org/en/JavaScript/Reference/Statements/try...catch +-- i.e., 0 or more catches, then an optional finally +-- TryStatement : See 12.14 +-- try Block Catch +-- try Block Finally +-- try Block Catch Finally +TryStatement :: { AST.JSNode } +TryStatement : Try Block Catches { fp (AST.NN (AST.JSTry $1 $2 $3) ) {- TryStatement1 -} } + | Try Block Finally { fp (AST.NN (AST.JSTry $1 $2 [$3]) ) {- TryStatement2 -} } + | Try Block Catches Finally { fp (AST.NN (AST.JSTry $1 $2 ($3++[$4])) ) {- TryStatement3 -} } + +Catches :: { [AST.JSNode] } +Catches : Catch { [$1] {- Catches 1 -} } + | Catches Catch { ($1++[$2]) {- Catches 2 -} } + +-- Note: worked in updated syntax as per https://developer.mozilla.org/en/JavaScript/Reference/Statements/try...catch +-- ::= 'catch' '(' Identifier ')' +-- becomes +-- ::= 'catch' '(' Identifier ')' +-- | 'catch' '(' Identifier 'if' ConditionalExpression ')' +Catch :: { AST.JSNode } +Catch : CatchL LParen Identifier RParen Block { fp (AST.NN (AST.JSCatch $1 $2 $3 [ ] $4 $5)) } + | CatchL LParen Identifier If ConditionalExpression RParen Block { fp (AST.NN (AST.JSCatch $1 $2 $3 ($4:$5) $6 $7)) } + +-- Finally : See 12.14 +-- finally Block +Finally :: { AST.JSNode } +Finally : FinallyL Block { fp (AST.NN (AST.JSFinally $1 $2)) } + +-- DebuggerStatement : See 12.15 +-- debugger ; +DebuggerStatement :: { AST.JSNode } +DebuggerStatement : 'debugger' AutoSemi { fp (AST.NT (AST.JSLiteral "debugger") (ss $1) (gc $1)) } + +-- FunctionDeclaration : See clause 13 +-- function Identifier ( FormalParameterListopt ) { FunctionBody } +FunctionDeclaration :: { AST.JSNode } +FunctionDeclaration : Function Identifier LParen FormalParameterList RParen FunctionBody + { fp (AST.NN (AST.JSFunction $1 $2 $3 $4 $5 $6) ) } + | Function Identifier LParen RParen FunctionBody + { fp (AST.NN (AST.JSFunction $1 $2 $3 [] $4 $5) ) } + +-- FunctionExpression : See clause 13 +-- function Identifieropt ( FormalParameterListopt ) { FunctionBody } +FunctionExpression :: { AST.JSNode } +FunctionExpression : Function IdentifierOpt LParen RParen FunctionBody + { fp (AST.NN (AST.JSFunctionExpression $1 $2 $3 [] $4 $5) ) } + | Function IdentifierOpt LParen FormalParameterList RParen FunctionBody + { fp (AST.NN (AST.JSFunctionExpression $1 $2 $3 $4 $5 $6) ) } + +IdentifierOpt :: { [AST.JSNode] } +IdentifierOpt : Identifier { [$1] {- IdentifierOpt -}} + | { [] {- IdentifierOpt -}} + +-- FormalParameterList : See clause 13 +-- Identifier +-- FormalParameterList , Identifier +FormalParameterList :: { [AST.JSNode] } +FormalParameterList : Identifier { [$1] {- FormalParameterList -}} + | FormalParameterList Comma Identifier { ($1++[$2]++[$3]) } + +-- FunctionBody : See clause 13 +-- SourceElementsopt +FunctionBody :: { AST.JSNode } +FunctionBody : LBrace SourceElements RBrace { (AST.NN (AST.JSBlock [$1] $2 [$3]) ) } + | LBrace RBrace { (AST.NN (AST.JSBlock [$1] [] [$2]) ) } + +-- Program : See clause 14 +-- SourceElementsopt + +Program :: { AST.JSNode } +Program : SourceElementsTop Eof { (combineTop $1 $2) {- Program -}} + | Eof { fp (AST.NN (AST.JSSourceElementsTop [$1])) } + +-- For debugging/other entry points +LiteralMain :: { AST.JSNode } +LiteralMain : Literal Eof { $1 } + +PrimaryExpressionMain :: { AST.JSNode } +PrimaryExpressionMain : PrimaryExpression Eof { $1 } + +StatementMain :: { AST.JSNode } +StatementMain : Statement Eof { $1 } + + +-- SourceElements : See clause 14 +-- SourceElement +-- SourceElements SourceElement +SourceElements :: { [AST.JSNode] } +SourceElements : SourceElement { [$1] {- SourceElements -} } + | SourceElements SourceElement { $1++[$2] {- SourceElements -} } + +SourceElementsTop :: { AST.JSNode } +SourceElementsTop : SourceElement { fp (AST.NN (AST.JSSourceElementsTop [$1]) ) } + | SourceElementsTop SourceElement { (combineSourceElementsTop $1 $2) } + +-- SourceElement : +-- Statement +-- FunctionDeclaration +SourceElement :: { AST.JSNode } +SourceElement : Statement { $1 {- SourceElement1 -} } + | FunctionDeclaration { $1 {- SourceElement2 -} } + +{ +combineSourceElementsTop :: AST.JSNode -> AST.JSNode -> AST.JSNode +combineSourceElementsTop (AST.NN (AST.JSSourceElementsTop xs)) x1 = fp (AST.NN (AST.JSSourceElementsTop (xs++[x1]))) + +combineTop :: AST.JSNode -> AST.JSNode -> AST.JSNode +combineTop (AST.NN (AST.JSSourceElementsTop xs)) x1 = fp (AST.NN (AST.JSSourceElementsTop (xs++[x1]))) + + +parseError :: Token -> Alex a +-- parseError = throwError . UnexpectedToken +parseError tok = alexError (show tok) + +-- -------------------------------- + +{- +mex :: [AST.JSNode] -> TokenPosn +mex [] = tokenPosnEmpty +mex xs = ex (head xs) + +ex :: AST.JSNode -> TokenPosn +ex (AST.NN _node span _c) = span +-} + +--ss token = toSrcSpan (token_span token) +ss :: Token -> TokenPosn +ss token = token_span token + +-- ------------------------------ + +gc :: Token -> [CommentAnnotation] +gc token = token_comment token +mgc :: [Token] -> [CommentAnnotation] +mgc xs = concatMap gc xs + +-- --------------------------------------------------------------------- + +fp :: AST.JSNode -> AST.JSNode +fp (AST.NN x) = (AST.NN x) +fp (AST.NT x p cs) = (AST.NT x p cs) +{- +fp (AST.NN x p cs) = (AST.NN x p' cs) + where + p' = case (filter (/= NoComment) cs) of + [] -> p + [(CommentA posn _)] -> posn + ((CommentA posn _):_) -> posn +-} + +} + +-- Set emacs mode +-- Local Variables: +-- mode:haskell +-- End: diff --git a/src/Language/JavaScript/Parser/Lexer.x b/src/Language/JavaScript/Parser/Lexer.x new file mode 100644 index 0000000..9858fea --- /dev/null +++ b/src/Language/JavaScript/Parser/Lexer.x @@ -0,0 +1,640 @@ +{ + +module Language.JavaScript.Parser.Lexer ( + Token(..) + , AlexPosn(..) + , Alex + , lexCont + , alexError + , runAlex + ) where + +--import Control.Monad +import Language.JavaScript.Parser.LexerUtils +import Language.JavaScript.Parser.ParserMonad +import Language.JavaScript.Parser.SrcLocation +import Language.JavaScript.Parser.Token +import qualified Data.Map as Map +--import Data.Word (Word8) + +} + +-- %wrapper "basic" +-- %wrapper "monad" +%wrapper "monadUserState" +-- %wrapper "monad-bytestring" + +-- character sets +$lf = \n -- line feed +$cr = \r -- carriage return +$ht = \t -- horizontal tab +$sq = ' -- single quote +$dq = \" -- double quote +$digit = 0-9 -- digits +$alpha = [a-zA-Z] -- alphabetic characters +$digit = 0-9 +$non_zero_digit = 1-9 +$ident_letter = [a-zA-Z_] +@eol_pattern = $lf | $cr $lf | $cr $lf + +$ls = \x2028 +$ps = \x2029 +@LineTerminatorSequence = $lf | $cr | $ls | $ps | $cr $lf + + +$any_char = [\x00-\xff] +$any_unicode_char = [\x00-\xffff] + + +$eol_char = [\x000A\x000D\x2028\x2029] -- any end of line character +--$eol_char = [$lf $cr] -- any end of line character +$not_eol_char = ~$eol_char -- anything but an end of line character + + +-- From GOLD Parser +-- {ID Head} = {Letter} + [_] + [$] +@IDHead = $alpha | [_] | [\$] + +-- {ID Tail} = {Alphanumeric} + [_] + [$] +@IDTail = $alpha | $digit | [_] | [\$] + +-- {String Chars1} = {Printable} + {HT} - ["\] +-- {String Chars2} = {Printable} + {HT} - [\''] +$StringChars1 = [$printable $ht] # [$dq \\] +$StringChars2 = [$printable $ht] # [$sq \\] + +-- LineContinuation :: \ LineTerminatorSequence +@LineContinuation = [\\] @LineTerminatorSequence + + +$short_str_char = [^ \n \r ' \" \\] + +-- {Hex Digit} = {Digit} + [ABCDEF] + [abcdef] +@HexDigit = $digit | [a-fA-F] +-- {Oct Digit} = {Digit} + [01234567] +@OctDigit = $digit | [0-7] +-- {RegExp Chars} = {Letter}+{Digit}+['^']+['$']+['*']+['+']+['?']+['{']+['}']+['|']+['-']+['.']+[',']+['#']+['[']+[']']+['_']+['<']+['>'] +--$RegExpChars = [$alpha $digit \^\$\*\+\?\{\}\|\-\.\,\#\[\]\_\<\>] +--$RegExpChars = [$printable] # [\\] +-- {Non Terminator} = {String Chars1} - {CR} - {LF} +--$NonTerminator = $StringChars1 # [$cr $lf] +$NonTerminator = [$printable] # [$cr $lf] +-- {Non Zero Digits}={Digit}-[0] + +-- ~ (LineTerminator | MUL | BSLASH | DIV) +$RegExpFirstChar = [$printable] # [ $cr $lf \* \\ \/] +-- ~ ( LineTerminator | BSLASH | DIV ) +$RegExpChars = [$printable] # [ $cr $lf \\ \/] + +$MultiLineNotAsteriskChar = [$any_unicode_char] # [\*] +$MultiLineNotForwardSlashOrAsteriskChar = [$any_unicode_char] # [\* \/] + +-- See http://blog.stevenlevithan.com/archives/javascript-regex-and-unicode + -- * \u0009 — Tab — \t + -- * \u000a — Line feed — \n — (newline character) + -- * \u000b — Vertical tab — \v + -- * \u000c — Form feed — \f + -- * \u000d — Carriage return — \r — (newline character) + -- * \u0020 — Space + -- * \u00a0 — No-break space + -- * \u1680 — Ogham space mark + -- * \u180e — Mongolian vowel separator + -- * \u2000 — En quad + -- * \u2001 — Em quad + -- * \u2002 — En space + -- * \u2003 — Em space + -- * \u2004 — Three-per-em space + -- * \u2005 — Four-per-em space + -- * \u2006 — Six-per-em space + -- * \u2007 — Figure space + -- * \u2008 — Punctuation space + -- * \u2009 — Thin space + -- * \u200a — Hair space + -- * \u2028 — Line separator — (newline character) + -- * \u2029 — Paragraph separator — (newline character) + -- * \u202f — Narrow no-break space + -- * \u205f — Medium mathematical space + -- * \u3000 — Ideographic space + +--$white_char = [\ \f\v\t\r\n] +-- Note: from edition 5 the BOM (\xfeff) is also considered whitespace +$white_char = [\x0009\x000a\x000b\x000c\x000d\x0020\x00a0\x1680\x180e\x2000\x2001\x2002\x2003\x2004\x2005\x2006\x2007\x2008\x2009\x200a\x2028\x2029\x202f\x205f\x3000\xfeff] + +-- Identifier characters +-- UnicodeLetter +-- any character in the Unicode categories “Uppercase letter (Lu)”, “Lowercase letter (Ll)”, +-- “Titlecase letter (Lt)”, “Modifier letter (Lm)”, “Other letter (Lo)”, or “Letter number (Nl)”. + +-- http://www.fileformat.info/info/unicode/category/Lu/list.htm etc, see unicode/doit.sh +$UnicodeLetter = 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x1d6a\x1d6a0-\x1d6a5\x1d6a8-\x1d6af\x1d6b-\x1d6b\x1d6b0-\x1d6bf\x1d6c-\x1d6c\x1d6c0-\x1d6c0\x1d6c2-\x1d6cf\x1d6d-\x1d6d\x1d6d0-\x1d6da\x1d6dc-\x1d6df\x1d6e-\x1d6e\x1d6e0-\x1d6ef\x1d6f-\x1d6f\x1d6f0-\x1d6fa\x1d6fc-\x1d6ff\x1d70-\x1d70\x1d700-\x1d70f\x1d71-\x1d71\x1d710-\x1d714\x1d716-\x1d71f\x1d72-\x1d72\x1d720-\x1d72f\x1d73-\x1d73\x1d730-\x1d734\x1d736-\x1d73f\x1d74-\x1d74\x1d740-\x1d74e\x1d75-\x1d75\x1d750-\x1d75f\x1d76-\x1d76\x1d760-\x1d76e\x1d77-\x1d77\x1d770-\x1d77f\x1d78-\x1d78\x1d780-\x1d788\x1d78a-\x1d78f\x1d79-\x1d79\x1d790-\x1d79f\x1d7a-\x1d7a\x1d7a0-\x1d7a8\x1d7aa-\x1d7af\x1d7b-\x1d7b\x1d7b0-\x1d7bf\x1d7c-\x1d7c\x1d7c0-\x1d7c2\x1d7c4-\x1d7cb\x1d7d-\x1dbf\x1e00-\x1f15\x1f18-\x1f1d\x1f20-\x1f45\x1f48-\x1f4d\x1f50-\x1f57\x1f59-\x1f59\x1f5b-\x1f5b\x1f5d-\x1f5d\x1f5f-\x1f7d\x1f80-\x1fb4\x1fb6-\x1fbc\x1fbe-\x1fbe\x1fc2-\x1fc4\x1fc6-\x1fcc\x1fd0-\x1fd3\x1fd6-\x1fdb\x1fe0-\x1fec\x1ff2-\x1ff4\x1ff6-\x1ffc\x20000-\x20000\x2071-\x2071\x207f-\x207f\x2090-\x209c\x2102-\x2102\x2107-\x2107\x210a-\x2113\x2115-\x2115\x2119-\x211d\x2124-\x2124\x2126-\x2126\x2128-\x2128\x212a-\x212d\x212f-\x2139\x213c-\x213f\x2145-\x2149\x214e-\x214e\x2160-\x2188\x2a6d6-\x2a6d6\x2a700-\x2a700\x2b734-\x2b734\x2b740-\x2b740\x2b81d-\x2b81d\x2c00-\x2c2e\x2c30-\x2c5e\x2c60-\x2ce4\x2ceb-\x2cee\x2d00-\x2d25\x2d30-\x2d65\x2d6f-\x2d6f\x2d80-\x2d96\x2da0-\x2da6\x2da8-\x2dae\x2db0-\x2db6\x2db8-\x2dbe\x2dc0-\x2dc6\x2dc8-\x2dce\x2dd0-\x2dd6\x2dd8-\x2dde\x2e2f-\x2e2f\x2f800-\x2fa1d\x3005-\x3007\x3021-\x3029\x3031-\x3035\x3038-\x303c\x3041-\x3096\x309d-\x309f\x30a1-\x30fa\x30fc-\x30ff\x3105-\x312d\x3131-\x318e\x31a0-\x31ba\x31f0-\x31ff\x3400-\x3400\x4db5-\x4db5\x4e00-\x4e00\x9fcb-\x9fcb\xa000-\xa48c\xa4d0-\xa4fd\xa500-\xa60c\xa610-\xa61f\xa62a-\xa62b\xa640-\xa66e\xa67f-\xa697\xa6a0-\xa6ef\xa717-\xa71f\xa722-\xa788\xa78b-\xa78e\xa790-\xa791\xa7a0-\xa7a9\xa7fa-\xa801\xa803-\xa805\xa807-\xa80a\xa80c-\xa822\xa840-\xa873\xa882-\xa8b3\xa8f2-\xa8f7\xa8fb-\xa8fb\xa90a-\xa925\xa930-\xa946\xa960-\xa97c\xa984-\xa9b2\xa9cf-\xa9cf\xaa00-\xaa28\xaa40-\xaa42\xaa44-\xaa4b\xaa60-\xaa76\xaa7a-\xaa7a\xaa80-\xaaaf\xaab1-\xaab1\xaab5-\xaab6\xaab9-\xaabd\xaac0-\xaac0\xaac2-\xaac2\xaadb-\xaadd\xab01-\xab06\xab09-\xab0e\xab11-\xab16\xab20-\xab26\xab28-\xab2e\xabc0-\xabe2\xac00-\xac00\xd7a3-\xd7a3\xd7b0-\xd7c6\xd7cb-\xd7fb\xf900-\xfa2d\xfa30-\xfa6d\xfa70-\xfad9\xfb00-\xfb06\xfb13-\xfb17\xfb1d-\xfb1d\xfb1f-\xfb28\xfb2a-\xfb36\xfb38-\xfb3c\xfb3e-\xfb3e\xfb40-\xfb41\xfb43-\xfb44\xfb46-\xfbb1\xfbd3-\xfd3d\xfd50-\xfd8f\xfd92-\xfdc7\xfdf0-\xfdfb\xfe70-\xfe74\xfe76-\xfefc\xff21-\xff3a\xff41-\xff5a\xff66-\xffbe\xffc2-\xffc7\xffca-\xffcf\xffd2-\xffd7] + +-- UnicodeCombiningMark +-- any character in the Unicode categories “Non-spacing mark (Mn)” or “Combining spacing mark (Mc)” +$UnicodeCombiningMark = 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+ +-- UnicodeDigit +-- any character in the Unicode category “Decimal number (Nd)” +$UnicodeDigit = [\x30-\x39\x660-\x669\x6f0-\x6f9\x7c0-\x7c9\x966-\x96f\x9e6-\x9ef\xa66-\xa6f\xae6-\xaef\xb66-\xb6f\xbe6-\xbef\xc66-\xc6f\xce6-\xcef\xd66-\xd6f\xe50-\xe59\xed0-\xed9\xf20-\xf29\x1040-\x1049\x104a0-\x104a9\x1090-\x1099\x11066-\x1106f\x17e0-\x17e9\x1810-\x1819\x1946-\x194f\x19d0-\x19d9\x1a80-\x1a89\x1a90-\x1a99\x1b50-\x1b59\x1bb0-\x1bb9\x1c40-\x1c49\x1c50-\x1c59\x1d7ce-\x1d7ff\xa620-\xa629\xa8d0-\xa8d9\xa900-\xa909\xa9d0-\xa9d9\xaa50-\xaa59\xabf0-\xabf9] + +-- UnicodeConnectorPunctuation +-- any character in the Unicode category “Connector punctuation (Pc)” +$UnicodeConnectorPunctuation = [\x5f-\x5f\x203f-\x2040\x2054-\x2054\xfe33-\xfe34\xfe4d-\xfe4f] + +-- UnicodeEscapeSequence :: +-- u HexDigit HexDigit HexDigit HexDigit +$HexDigit = [0-9a-fA-F] +@UnicodeEscapeSequence = u $HexDigit $HexDigit $HexDigit $HexDigit + +-- IdentifierStart :: +-- UnicodeLetter +-- $ +-- _ +-- \ UnicodeEscapeSequence +@IdentifierStart = $UnicodeLetter | [\$] | [_] | [\\] @UnicodeEscapeSequence + +-- IdentifierPart :: +-- IdentifierStart +-- UnicodeCombiningMark +-- UnicodeDigit +-- UnicodeConnectorPunctuation +-- \ UnicodeEscapeSequence + +$ZWNJ = [\x200c] +$ZWJ = [\x200d] +@IdentifierPart = @IdentifierStart | $UnicodeCombiningMark | $UnicodeDigit | UnicodeConnectorPunctuation + [\\] @UnicodeEscapeSequence | $ZWNJ | $ZWJ + +-- ! ------------------------------------------------- Terminals +tokens :- + +-- State: 0 is regex allowed, 1 is / or /= allowed + +<0> () ; -- { registerStates lexToken reg divide } + +-- Skip Whitespace + $white_char+ { adapt (mkString wsToken) } + +-- Skip one line comment + "//"($not_eol_char)* { adapt (mkString commentToken) } + +-- --------------------------------------------------------------------- +-- Comment definition from the ECMAScript spec, ver 3 + +-- MultiLineComment :: +-- /* MultiLineCommentChars(opt) */ +-- MultiLineCommentChars :: +-- MultiLineNotAsteriskChar MultiLineCommentChars(opt) +-- * PostAsteriskCommentChars(opt) +-- PostAsteriskCommentChars :: +-- MultiLineNotForwardSlashOrAsteriskChar MultiLineCommentChars(opt) +-- * PostAsteriskCommentChars(opt) +-- MultiLineNotAsteriskChar :: +-- SourceCharacter but not asterisk * +-- MultiLineNotForwardSlashOrAsteriskChar :: +-- SourceCharacter but not forward-slash / or asterisk * + +-- Skip multi-line comments. Note: may not nest +-- "/*"($any_char)*"*/" ; +-- "/*" (($MultiLineNotAsteriskChar)*| ("*")+ ($MultiLineNotForwardSlashOrAsteriskChar) )* ("*")+ "/" ; + "/*" (($MultiLineNotAsteriskChar)*| ("*")+ ($MultiLineNotForwardSlashOrAsteriskChar) )* ("*")+ "/" { adapt (mkString commentToken) } + + +-- Identifier = {ID Head}{ID Tail}* +-- @IDHead(@IDTail)* { \loc len str -> keywordOrIdent (take len str) loc } + @IdentifierStart(@IdentifierPart)* { \ap@(loc,_,_,str) len -> keywordOrIdent (take len str) (toTokenPosn loc) } + +-- StringLiteral = '"' ( {String Chars1} | '\' {Printable} )* '"' +-- | '' ( {String Chars2} | '\' {Printable} )* '' + $dq ( $StringChars1 | \\ $printable | @LineContinuation )* $dq + | $sq ( $StringChars2 | \\ $printable | @LineContinuation )* $sq { adapt (mkString stringToken) } + +-- HexIntegerLiteral = '0x' {Hex Digit}+ + ("0x"|"0X") @HexDigit+ { adapt (mkString hexIntegerToken) } + +-- OctalLiteral = '0' {Octal Digit}+ + ("0") @OctDigit+ { adapt (mkString octalToken) } + +-- RegExp = '/' ({RegExp Chars} | '\' {Non Terminator})+ '/' ( 'g' | 'i' | 'm' )* +-- "/" ($RegExpChars | "\" $NonTerminator)+ "/" ("g"|"i"|"m")* { mkString regExToken } + +-- Based on the Jint version + "/" ($RegExpFirstChar | "\" $NonTerminator) ($RegExpChars | "\" $NonTerminator)* "/" ("g"|"i"|"m")* { adapt (mkString regExToken) } + + + +-- TODO: Work in SignedInteger + +-- DecimalLiteral= {Non Zero Digits}+ '.' {Digit}* ('e' | 'E' ) {Non Zero Digits}+ {Digit}* +-- | {Non Zero Digits}+ '.' {Digit}* +-- | '0' '.' {Digit}+ ('e' | 'E' ) {Non Zero Digits}+ {Digit}* +-- | {Non Zero Digits}+ {Digit}* +-- | '0' +-- | '0' '.' {Digit}+ + +-- $non_zero_digit $digit* "." $digit* ("e"|"E") ("+"|"-")? $non_zero_digit+ $digit* +-- | $non_zero_digit $digit* "." $digit* +-- | "0." $digit+ ("e"|"E") ("+"|"-")? $non_zero_digit+ $digit* +-- | $non_zero_digit+ $digit* +-- | "0" +-- | "0." $digit+ { mkString decimalToken } + + "0" "." $digit* ("e"|"E") ("+"|"-")? $digit+ + | $non_zero_digit $digit* "." $digit* ("e"|"E") ("+"|"-")? $digit+ + | "." $digit+ ("e"|"E") ("+"|"-")? $digit+ + | "0" ("e"|"E") ("+"|"-")? $digit+ + | $non_zero_digit $digit* ("e"|"E") ("+"|"-")? $digit+ +-- ++FOO++ + | "0" "." $digit* + | $non_zero_digit $digit* "." $digit* + | "." $digit+ + | "0" + | $non_zero_digit $digit* { adapt (mkString decimalToken) } + + +-- beginning of file + { + @eol_pattern ; + -- @eol_pattern { endOfLine lexToken } + -- @eol_pattern { endOfLine alexMonadScan } +} + +-- / or /= only allowed in state 1 + { + "/=" { adapt (mkString assignToken)} + "/" { adapt (symbolToken DivToken)} + } + + { + -- \; { adapt (symbolToken SemiColonToken)} + ";" { adapt (symbolToken SemiColonToken)} + "," { adapt (symbolToken CommaToken)} + "?" { adapt (symbolToken HookToken)} + ":" { adapt (symbolToken ColonToken)} + "||" { adapt (symbolToken OrToken)} + "&&" { adapt (symbolToken AndToken)} + "|" { adapt (symbolToken BitwiseOrToken)} + "^" { adapt (symbolToken BitwiseXorToken)} + "&" { adapt (symbolToken BitwiseAndToken)} + "===" { adapt (symbolToken StrictEqToken)} + "==" { adapt (symbolToken EqToken)} + "*=" | "%=" | "+=" | "-=" | "<<=" | ">>=" | ">>>=" | "&=" | "^=" | "|=" + { adapt (mkString assignToken)} + "=" { adapt (symbolToken SimpleAssignToken)} + "!==" { adapt (symbolToken StrictNeToken)} + "!=" { adapt (symbolToken NeToken)} + "<<" { adapt (symbolToken LshToken)} + "<=" { adapt (symbolToken LeToken)} + "<" { adapt (symbolToken LtToken)} + ">>>" { adapt (symbolToken UrshToken)} + ">>" { adapt (symbolToken RshToken)} + ">=" { adapt (symbolToken GeToken)} + ">" { adapt (symbolToken GtToken)} + "++" { adapt (symbolToken IncrementToken)} + "--" { adapt (symbolToken DecrementToken)} + "+" { adapt (symbolToken PlusToken)} + "-" { adapt (symbolToken MinusToken)} + "*" { adapt (symbolToken MulToken)} + "%" { adapt (symbolToken ModToken)} + "!" { adapt (symbolToken NotToken)} + "~" { adapt (symbolToken BitwiseNotToken)} + "." { adapt (symbolToken DotToken)} + "[" { adapt (symbolToken LeftBracketToken)} + "]" { adapt (symbolToken RightBracketToken)} + "{" { adapt (symbolToken LeftCurlyToken)} + "}" { adapt (symbolToken RightCurlyToken)} + "(" { adapt (symbolToken LeftParenToken)} + ")" { adapt (symbolToken RightParenToken)} + "@*/" { adapt (symbolToken CondcommentEndToken)} +} + + + + + +{ + +{- +-- The next function select between the two lex input states, as called for in +-- secion 7 of ECMAScript Language Specification, Edition 3, 24 March 2000. + +The method is inspired by the lexer in http://jint.codeplex.com/ + +-} +classifyToken :: Token -> Int +classifyToken aToken = + case aToken of + IdentifierToken {} -> divide + NullToken {} -> divide + TrueToken {} -> divide + FalseToken {} -> divide + ThisToken {} -> divide + OctalToken {} -> divide + DecimalToken {} -> divide + HexIntegerToken {} -> divide + StringToken {} -> divide + RightCurlyToken {} -> divide + RightParenToken {} -> divide + RightBracketToken {} -> divide + _other -> reg + + +{- +--lexToken :: Alex Token +lexToken = do + inp <- alexGetInput + lt <- getLastToken + case alexScan inp (classifyToken lt) of + AlexEOF -> alexEOF + AlexError inp'@(pos,_,_,_) -> alexError ("lexical error @ line " ++ show (getLineNum(pos)) ++ + " and column " ++ show (getColumnNum(pos))) + AlexSkip inp' _len -> do + alexSetInput inp' + lexToken + AlexToken inp' len action -> do + alexSetInput inp' + token <- action (ignorePendingBytes inp) len + setLastToken token + return token +-} + +--lexToken :: Alex Token +lexToken = do + inp <- alexGetInput + lt <- getLastToken + case lt of + TailToken {} -> alexEOF + _other -> + case alexScan inp (classifyToken lt) of + AlexEOF -> do + token <- tailToken + setLastToken token + return token + AlexError inp'@(pos,_,_,_) -> alexError ("lexical error @ line " ++ show (getLineNum(pos)) ++ + " and column " ++ show (getColumnNum(pos))) + AlexSkip inp' _len -> do + alexSetInput inp' + lexToken + AlexToken inp' len action -> do + alexSetInput inp' + -- token <- action (ignorePendingBytes inp) len + token <- action inp len + setLastToken token + return token + + +-- This is called by the Happy parser. +--lexCont :: (Token -> P a) -> P a +--lexCont :: (Token -> Alex Token) -> Alex Token +lexCont cont = do + lexLoop + where + -- lexLoop :: P a + lexLoop = do + tok <- lexToken + case tok of + CommentToken {} -> do + addComment tok + lexLoop + WsToken {} -> do + addComment tok + lexLoop + _other -> do + cs <- getComment + let tok' = tok{ token_comment=(toCommentAnnotation cs) } + setComment [] + cont tok' + +toCommentAnnotation [] = [NoComment] +--toCommentAnnotation xs = reverse $ map (\tok -> (CommentA (token_span tok) (token_literal tok))) xs + +toCommentAnnotation xs = reverse $ map go xs + where + go tok@(CommentToken {}) = (CommentA (token_span tok) (token_literal tok)) + go tok@(WsToken {}) = (WhiteSpace (token_span tok) (token_literal tok)) + +-- --------------------------------------------------------------------- + +getLineNum :: AlexPosn -> Int +getLineNum (AlexPn _offset lineNum _colNum) = lineNum + +getColumnNum :: AlexPosn -> Int +getColumnNum (AlexPn _offset _lineNum colNum) = colNum + +-- --------------------------------------------------------------------- + +getLastToken :: Alex Token +getLastToken = Alex $ \s@AlexState{alex_ust=ust} -> Right (s, previousToken ust) + +setLastToken :: Token -> Alex () +setLastToken (WsToken {}) = Alex $ \s -> Right (s, ()) +setLastToken tok = Alex $ \s -> Right (s{alex_ust=(alex_ust s){previousToken=tok}}, ()) + +getComment :: Alex [Token] +--getComments = reverse <$> Alex $ \s@AlexState{alex_ust=ust} -> Right (s, comments ust) +getComment = Alex $ \s@AlexState{alex_ust=ust} -> Right (s, comment ust) + + +addComment :: Token -> Alex () +addComment c = Alex $ \s -> Right (s{alex_ust=(alex_ust s){comment=c:( comment (alex_ust s) )}}, ()) + + +setComment :: [Token] -> Alex () +setComment cs = Alex $ \s -> Right (s{alex_ust=(alex_ust s){comment=cs }}, ()) + +alexEOF :: Alex Token +alexEOF = do return (EOFToken tokenPosnEmpty []) + +tailToken :: Alex Token +tailToken = do return (TailToken tokenPosnEmpty []) + +-- adapt :: (TokenPosn -> Int -> String -> Alex Token) -> (AlexPosn,Char,String) -> Int -> Alex Token +adapt :: (TokenPosn -> Int -> String -> Alex Token) -> AlexInput -> Int -> Alex Token +adapt f loc@(p@(AlexPn offset line col),_,_,inp) len = + (f (TokenPn offset line col) len inp) + +{- +mkComment :: (AlexPosn,Char,String) -> Int -> Alex Token +mkComment loc@(p@(AlexPn offset line col),_,inp) len = do + return (CommentToken (TokenPn offset line col) (take len inp)) +-} + +toTokenPosn :: AlexPosn -> TokenPosn +toTokenPosn (AlexPn offset line col) = (TokenPn offset line col) + +-- --------------------------------------------------------------------- + +-- a keyword or an identifier (the syntax overlaps) +keywordOrIdent :: String -> TokenPosn -> Alex Token +keywordOrIdent str location + = return $ case Map.lookup str keywords of + Just symbol -> symbol location str [] + Nothing -> IdentifierToken location str [] + +-- mapping from strings to keywords +--keywords :: Map.Map String (TokenPosn -> String -> Token) +keywords :: Map.Map String (TokenPosn -> String -> [CommentAnnotation] -> Token) +keywords = Map.fromList keywordNames + +--keywordNames :: [(String, TokenPosn -> String -> Token)] +keywordNames :: [(String, TokenPosn -> String -> [CommentAnnotation] -> Token)] +keywordNames = + [ + ("break",BreakToken), + ("case",CaseToken), + ("catch",CatchToken), + + ("const",ConstToken), -- not a keyword, nominally a future reserved word, but actually in use + + ("continue",ContinueToken), + ("debugger",DebuggerToken), + ("default",DefaultToken), + ("delete",DeleteToken), + ("do",DoToken), + ("else",ElseToken), + + ("enum",EnumToken), -- not a keyword, nominally a future reserved word, but actually in use + + ("false",FalseToken), -- boolean literal + + ("finally",FinallyToken), + ("for",ForToken), + ("function",FunctionToken), + ("if",IfToken), + ("in",InToken), + ("instanceof",InstanceofToken), + ("new",NewToken), + + ("null",NullToken), -- null literal + + ("return",ReturnToken), + ("switch",SwitchToken), + ("this",ThisToken), + ("throw",ThrowToken), + ("true",TrueToken), + ("try",TryToken), + ("typeof",TypeofToken), + ("var",VarToken), + ("void",VoidToken), + ("while",WhileToken), + ("with",WithToken), + -- TODO: no idea if these are reserved or not, but they are needed + -- handled in parser, in the Identifier rule + ("get",GetToken),("set",SetToken), + {- Come from Table 6 of ECMASCRIPT 5.1, Attributes of a Named Accessor Property + Also include + + Enumerable + Configurable + + Table 7 includes + + Value + -} + + + -- Future Reserved Words + ("class", FutureToken), + -- ("code", FutureToken), **** not any more + -- ("const", FutureToken), **** an actual token, used in productions + -- enum **** an actual token, used in productions + ("export", FutureToken), + ("extends", FutureToken), + + ("import", FutureToken), + ("super", FutureToken), + + + -- Strict mode FutureReservedWords + ("implements", FutureToken), + ("interface", FutureToken), + ("let", FutureToken), + -- ("mode", FutureToken), **** not any more + -- ("of", FutureToken), **** not any more + -- ("one", FutureToken), **** not any more + -- ("or", FutureToken), **** not any more + + ("package", FutureToken), + ("private", FutureToken), + ("protected", FutureToken), + ("public", FutureToken), + ("static", FutureToken), + -- ("strict", FutureToken), *** not any more + ("yield", FutureToken) + ] +} + + +-- -- Edition 5.1 of ECMASCRIPT + +-- 7.6.1.1 Keywords + +-- The following tokens are ECMAScript keywords and may not be used as Identifiers in ECMAScript programs. + +-- Syntax +-- Keyword :: one of +-- break +-- case +-- catch +-- continue +-- debugger +-- default +-- delete +-- do +-- else +-- finally +-- for +-- function +-- if +-- in +-- instanceof +-- new +-- return +-- switch +-- this +-- throw +-- try +-- typeof +-- var +-- void +-- while +-- with + +-- 7.6.1.2 Future Reserved Words + +-- The following words are used as keywords in proposed extensions and +-- are therefore reserved to allow for the possibility of future adoption +-- of those extensions. + +-- Syntax +-- FutureReservedWord :: one of +-- class +-- const +-- enum +-- export +-- extends +-- import +-- super + +-- The following tokens are also considered to be FutureReservedWords +-- when they occur within strict mode code (see 10.1.1). The occurrence +-- of any of these tokens within strict mode code in any context where +-- the occurrence of a FutureReservedWord would produce an error must +-- also produce an equivalent error: + +-- implements +-- interface +-- let +-- package +-- private +-- protected +-- public +-- static +-- yield + + + + +-- Set emacs mode +-- Local Variables: +-- mode:haskell +-- End: diff --git a/src/Language/JavaScript/Parser/LexerUtils.hs b/src/Language/JavaScript/Parser/LexerUtils.hs new file mode 100644 index 0000000..eb48f9c --- /dev/null +++ b/src/Language/JavaScript/Parser/LexerUtils.hs @@ -0,0 +1,110 @@ +----------------------------------------------------------------------------- +-- | +-- Module : Language.JavaScript.LexerUtils +-- Based on language-python version by Bernie Pope +-- Copyright : (c) 2009 Bernie Pope +-- License : BSD-style +-- Stability : experimental +-- Portability : ghc +-- +-- Various utilities to support the JavaScript lexer. +----------------------------------------------------------------------------- + +module Language.JavaScript.Parser.LexerUtils ( + StartCode + -- , AlexInput + -- , alexGetChar + -- , alexInputPrevChar + , symbolToken + , mkString + , commentToken + , wsToken + , regExToken + , decimalToken + -- , endOfLine + , endOfFileToken + , assignToken + , hexIntegerToken + , octalToken + , stringToken + --, lexicalError + ) where + +--import Control.Monad.Error.Class (throwError) +import Language.JavaScript.Parser.Token as Token +import Language.JavaScript.Parser.SrcLocation +import Prelude hiding (span) + +-- Functions for building tokens + +type StartCode = Int + +symbolToken :: Monad m => (TokenPosn -> [CommentAnnotation] -> Token) -> TokenPosn -> Int -> String -> m Token +symbolToken mkToken location _ _ = return (mkToken location []) + +-- special tokens for the end of file and end of line +endOfFileToken :: Token +endOfFileToken = EOFToken tokenPosnEmpty [] + +mkString + :: (Monad m) => (TokenPosn -> String -> Token) -> TokenPosn -> Int -> String -> m Token +mkString toToken loc len str = do return (toToken loc (take len str)) + +decimalToken :: TokenPosn -> String -> Token +decimalToken loc str = DecimalToken loc str [] + +hexIntegerToken :: TokenPosn -> String -> Token +hexIntegerToken loc str = HexIntegerToken loc str [] + +octalToken :: TokenPosn -> String -> Token +octalToken loc str = OctalToken loc str [] + +assignToken :: TokenPosn -> String -> Token +assignToken loc str = AssignToken loc str [] + +regExToken :: TokenPosn -> String -> Token +regExToken loc str = RegExToken loc str [] + +stringToken :: TokenPosn -> String -> Token +stringToken loc str = StringToken loc str1 delimiter [] + where + str1 = init $ tail str + -- str1 = stripLineContinuations $ init $ tail str + delimiter = head str + +commentToken :: TokenPosn -> String -> Token +commentToken loc str = CommentToken loc str [] + +wsToken :: TokenPosn -> String -> Token +wsToken loc str = WsToken loc str [] + +-- --------------------------------------------------------------------- +-- Strip out any embedded line continuations +-- Recognise by \ followed by $lf | $cr | $ls | $ps | $cr $lf +-- $ls = \x2028, $ps = \x2029 +stripLineContinuations :: String -> String +stripLineContinuations xs = doStripLineContinuations [] [] xs + +doStripLineContinuations :: String -> String -> String -> String +doStripLineContinuations acc matched xs + | xs == [] = acc -- Assume we are passed well-formed strings, should not be a dangling match + | matched == [] = if (head xs == '\\') + then doStripLineContinuations acc ['\\'] (tail xs) + else doStripLineContinuations (acc ++ [head xs]) [] (tail xs) + | otherwise = if ((head xs == '\n') || (head xs == '\r') || (head xs == '\x2028') || (head xs == '\x2029')) + then doStripLineContinuations acc (matched++[head xs]) (tail xs) + else (if (matched == ['\\']) + then doStripLineContinuations (acc++matched ++ [head xs]) [] (tail xs) + else doStripLineContinuations (acc++[head xs]) [] (tail xs)) + +-- ----------------------------------------------------------------------------- +-- Functionality required by Alex +{- +lexicalError :: P a +lexicalError = do + location <- getLocation + c <- liftM head getInput + -- (_,c,_,_) <- getInput + throwError $ UnexpectedChar c location +-} +-- EOF diff --git a/src/Language/JavaScript/Parser/ParseError.hs b/src/Language/JavaScript/Parser/ParseError.hs new file mode 100644 index 0000000..318be95 --- /dev/null +++ b/src/Language/JavaScript/Parser/ParseError.hs @@ -0,0 +1,34 @@ +----------------------------------------------------------------------------- +-- | +-- Module : Language.JavaScript.ParseError +-- Based on language-python version by Bernie Pope +-- Copyright : (c) 2009 Bernie Pope +-- License : BSD-style +-- Stability : experimental +-- Portability : ghc +-- +-- Error values for the lexer and parser. +----------------------------------------------------------------------------- + +module Language.JavaScript.Parser.ParseError ( ParseError (..) ) where + +--import Language.JavaScript.Parser.Pretty +import Control.Monad.Error.Class +import Language.JavaScript.Parser.Lexer +import Language.JavaScript.Parser.SrcLocation (TokenPosn) +-- import Language.JavaScript.Parser.Token (Token) + +data ParseError + = UnexpectedToken Token + -- ^ An error from the parser. Token found where it should not be. + -- Note: tokens contain their own source span. + | UnexpectedChar Char TokenPosn + -- ^ An error from the lexer. Character found where it should not be. + | StrError String + -- ^ A generic error containing a string message. No source location. + deriving (Eq, {- Ord,-} Show) + +instance Error ParseError where + noMsg = StrError "" + strMsg = StrError + diff --git a/src/Language/JavaScript/Parser/Parser.hs b/src/Language/JavaScript/Parser/Parser.hs new file mode 100644 index 0000000..1ad8ead --- /dev/null +++ b/src/Language/JavaScript/Parser/Parser.hs @@ -0,0 +1,78 @@ +module Language.JavaScript.Parser.Parser ( + -- * Parsing + parse + , readJs + -- , readJsKeepComments + , parseFile + , parseFileUtf8 + -- * Parsing expressions + -- parseExpr + , parseUsing + , showStripped + , showStrippedMaybe + ) where + +import Language.JavaScript.Parser.ParseError +import Language.JavaScript.Parser.Grammar5 +import Language.JavaScript.Parser.Lexer +import qualified Language.JavaScript.Parser.AST as AST +import System.IO + +-- | Parse one compound statement, or a sequence of simple statements. +-- Generally used for interactive input, such as from the command line of an interpreter. +-- Return comments in addition to the parsed statements. +parse :: String -- ^ The input stream (Javascript source code). + -> String -- ^ The name of the Javascript source (filename or input device). + -> Either String AST.JSNode + -- ^ An error or maybe the abstract syntax tree (AST) of zero + -- or more Javascript statements, plus comments. +parse input _srcName = runAlex input parseProgram + + +readJs :: String -> AST.JSNode +readJs input = do + case (parse input "src") of + Left msg -> error (show msg) + Right p -> p + +-- | Parse the given file. +-- For UTF-8 support, make sure your locale is set such that +-- "System.IO.localeEncoding" returns "utf8" +parseFile :: FilePath -> IO AST.JSNode +parseFile filename = + do + x <- readFile (filename) + return $ readJs x + +-- | Parse the given file, explicitly setting the encoding to UTF8 +-- when reading it +parseFileUtf8 :: FilePath -> IO AST.JSNode +parseFileUtf8 filename = + do + h <- openFile filename ReadMode + hSetEncoding h utf8 + x <- hGetContents h + return $ readJs x + +showStripped :: AST.JSNode -> String +showStripped ast = AST.showStripped ast + +showStrippedMaybe :: Show a => Either a AST.JSNode -> String +showStrippedMaybe maybeAst = do + case maybeAst of + Left msg -> "Left (" ++ show msg ++ ")" + Right p -> "Right (" ++ AST.showStripped p ++ ")" + +-- | Parse one compound statement, or a sequence of simple statements. +-- Generally used for interactive input, such as from the command line of an interpreter. +-- Return comments in addition to the parsed statements. +parseUsing :: + Alex AST.JSNode -- ^ The parser to be used + -> String -- ^ The input stream (Javascript source code). + -> String -- ^ The name of the Javascript source (filename or input device). + -> Either String AST.JSNode + -- ^ An error or maybe the abstract syntax tree (AST) of zero + -- or more Javascript statements, plus comments. + +parseUsing p input _srcName = runAlex input p + diff --git a/src/Language/JavaScript/Parser/ParserMonad.hs b/src/Language/JavaScript/Parser/ParserMonad.hs new file mode 100644 index 0000000..935ea0c --- /dev/null +++ b/src/Language/JavaScript/Parser/ParserMonad.hs @@ -0,0 +1,37 @@ +{-# OPTIONS #-} +----------------------------------------------------------------------------- +-- | +-- Module : Language.JavaScript.ParserMonad +-- Copyright : (c) 2012 Alan Zimmerman +-- License : BSD-style +-- Stability : experimental +-- Portability : ghc +-- +-- Monad support for JavaScript parser and lexer. +----------------------------------------------------------------------------- + +module Language.JavaScript.Parser.ParserMonad + ( + AlexUserState(..) + , alexInitUserState + ) where + +import Language.JavaScript.Parser.Token +import Language.JavaScript.Parser.SrcLocation + +data AlexUserState = AlexUserState + { + previousToken :: !Token -- ^the previous token + , comment :: [Token] -- ^the previous comment, if any + } + +alexInitUserState :: AlexUserState +alexInitUserState = AlexUserState + { + previousToken = initToken + , comment = [] + } + +initToken :: Token +initToken = CommentToken tokenPosnEmpty "" [] + diff --git a/src/Language/JavaScript/Parser/SrcLocation.hs b/src/Language/JavaScript/Parser/SrcLocation.hs new file mode 100644 index 0000000..d9c8586 --- /dev/null +++ b/src/Language/JavaScript/Parser/SrcLocation.hs @@ -0,0 +1,21 @@ +{-# LANGUAGE DeriveDataTypeable #-} +module Language.JavaScript.Parser.SrcLocation ( + TokenPosn(..) + , tokenPosnEmpty + ) where + +import Data.Data + +-- | `TokenPosn' records the location of a token in the input text. It has three +-- fields: the address (number of characters preceding the token), line number +-- and column of a token within the file. +-- Note: The lexer assumes the usual eight character tab stops. + +data TokenPosn = TokenPn !Int -- address (number of characters preceding the token) + !Int -- line number + !Int -- column + deriving (Eq,Show, Read, Data, Typeable) + +tokenPosnEmpty :: TokenPosn +tokenPosnEmpty = TokenPn 0 0 0 + diff --git a/src/Language/JavaScript/Parser/StringEscape.hs b/src/Language/JavaScript/Parser/StringEscape.hs new file mode 100644 index 0000000..6ba5be5 --- /dev/null +++ b/src/Language/JavaScript/Parser/StringEscape.hs @@ -0,0 +1,82 @@ +{-# OPTIONS #-} +----------------------------------------------------------------------------- +-- | +-- Module : Language.Python.Common.StringEscape +-- Copyright : (c) 2009 Bernie Pope +-- License : BSD-style +-- Maintainer : bjpop@csse.unimelb.edu.au +-- Stability : experimental +-- Portability : ghc +-- +-- Conversion to/from escaped characters in strings. Note: currently does not +-- support escaped Unicode character names. +-- +-- See: +-- +-- * Version 2.6 +-- +-- * Version 3.1 +----------------------------------------------------------------------------- + +module Language.JavaScript.Parser.StringEscape ( + -- * String conversion. + unescapeString, + unescapeRawString, + -- * Digits allowed in octal and hex representation. + octalDigits, + hexDigits) where + +import Numeric (readHex, readOct) + +-- | Convert escaped sequences of characters into /real/ characters in a normal Python string. +unescapeString :: String -> String +unescapeString ('\\':'\\':cs) = '\\' : unescapeString cs -- Backslash (\) +unescapeString ('\\':'\'':cs) = '\'' : unescapeString cs -- Single quote (') +unescapeString ('\\':'"':cs) = '"' : unescapeString cs -- Double quote (") +unescapeString ('\\':'a':cs) = '\a' : unescapeString cs -- ASCII Bell (BEL) +unescapeString ('\\':'b':cs) = '\b' : unescapeString cs -- ASCII Backspace (BS) +unescapeString ('\\':'f':cs) = '\f' : unescapeString cs -- ASCII Formfeed (FF) +unescapeString ('\\':'n':cs) = '\n' : unescapeString cs -- ASCII Linefeed (LF) +unescapeString ('\\':'r':cs) = '\r' : unescapeString cs -- ASCII Carriage Return (CR) +unescapeString ('\\':'t':cs) = '\t' : unescapeString cs -- ASCII Horizontal Tab (TAB) +unescapeString ('\\':'v':cs) = '\v' : unescapeString cs -- ASCII Vertical Tab (VT) +unescapeString ('\\':'\n':cs) = unescapeString cs -- line continuation +unescapeString ('\\':rest@(o:_)) + | o `elem` octalDigits = unescapeNumeric 3 octalDigits (fst . head . readOct) rest +unescapeString ('\\':'x':rest@(h:_)) + | h `elem` hexDigits = unescapeNumeric 2 hexDigits (fst . head . readHex) rest +unescapeString (c:cs) = c : unescapeString cs +unescapeString [] = [] + +-- | Convert escaped sequences of characters into /real/ characters in a raw Python string. +-- Note: despite their name, Python raw strings do allow a small set of character escapings, +-- namely the single and double quote characters and the line continuation marker. +unescapeRawString :: String -> String +unescapeRawString ('\\':'\'':cs) = '\'' : unescapeRawString cs -- Single quote (') +unescapeRawString ('\\':'"':cs) = '"' : unescapeRawString cs -- Double quote (") +unescapeRawString ('\\':'\n':cs) = unescapeRawString cs -- line continuation +unescapeRawString (c:cs) = c : unescapeRawString cs +unescapeRawString [] = [] + +{- + This is a bit complicated because Python allows between 1 and 3 octal + characters after the \, and 1 and 2 hex characters after a \x. +-} +unescapeNumeric :: Int -> String -> (String -> Int) -> String -> String +unescapeNumeric n numericDigits readNumeric str + = loop n [] str + where + loop _ acc [] = [numericToChar acc] + loop 0 acc rest + = numericToChar acc : unescapeString rest + loop n1 acc (c:cs) + | c `elem` numericDigits = loop (n1-1) (c:acc) cs + | otherwise = numericToChar acc : unescapeString (c:cs) + numericToChar :: String -> Char + numericToChar = toEnum . readNumeric . reverse + +octalDigits, hexDigits :: String +-- | The set of valid octal digits in Python. +octalDigits = "01234567" +-- | The set of valid hex digits in Python. +hexDigits = "0123456789abcdef" diff --git a/src/Language/JavaScript/Parser/Token.hs b/src/Language/JavaScript/Parser/Token.hs new file mode 100644 index 0000000..9a1ec40 --- /dev/null +++ b/src/Language/JavaScript/Parser/Token.hs @@ -0,0 +1,152 @@ +{-# LANGUAGE CPP, DeriveDataTypeable #-} +----------------------------------------------------------------------------- +-- | +-- Module : Language.Python.Common.Token +-- Copyright : (c) 2009 Bernie Pope +-- License : BSD-style +-- Maintainer : bjpop@csse.unimelb.edu.au +-- Stability : experimental +-- Portability : ghc +-- +-- Lexical tokens for the Python lexer. Contains the superset of tokens from +-- version 2 and version 3 of Python (they are mostly the same). +----------------------------------------------------------------------------- + +module Language.JavaScript.Parser.Token ( + -- * The tokens + Token (..) + , CommentAnnotation(..) + -- * String conversion + , debugTokenString + -- * Classification + -- TokenClass (..), + ) where + +import Data.Data +import Language.JavaScript.Parser.SrcLocation + +data CommentAnnotation = CommentA TokenPosn String + | WhiteSpace TokenPosn String + | NoComment + deriving (Eq,{-Ord,-}Show,Typeable,Data,Read) + +-- | Lexical tokens. +-- Each may be annotated with any comment occuring between the prior token and this one +data Token + -- Comment + = CommentToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } -- ^ Single line comment. + | WsToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } -- ^ White space, for preservation. + + -- Identifiers + | IdentifierToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } -- ^ Identifier. + + -- Javascript Literals + + | DecimalToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + -- ^ Literal: Decimal + | HexIntegerToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + -- ^ Literal: Hexadecimal Integer + | OctalToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + -- ^ Literal: Octal Integer + | StringToken { token_span :: !TokenPosn, token_literal :: !String, token_delimiter :: !Char, token_comment :: ![CommentAnnotation] } + -- ^ Literal: string, delimited by either single or double quotes + | RegExToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + -- ^ Literal: Regular Expression + + -- Keywords + | BreakToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | CaseToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | CatchToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | ConstToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | ContinueToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | DebuggerToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | DefaultToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | DeleteToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | DoToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | ElseToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | EnumToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | FalseToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | FinallyToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | ForToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | FunctionToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | IfToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | InToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | InstanceofToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | NewToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | NullToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | ReturnToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | SwitchToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | ThisToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | ThrowToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | TrueToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | TryToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | TypeofToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | VarToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | VoidToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | WhileToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | WithToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + -- Future reserved words + | FutureToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + -- Needed, not sure what they are though. + | GetToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | SetToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + + -- Delimiters + -- Operators + | SemiColonToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | CommaToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | HookToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | ColonToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | OrToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | AndToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | BitwiseOrToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | BitwiseXorToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | BitwiseAndToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | StrictEqToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | EqToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | AssignToken { token_span :: !TokenPosn, token_literal :: !String, token_comment :: ![CommentAnnotation] } + | SimpleAssignToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | StrictNeToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | NeToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | LshToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | LeToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | LtToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | UrshToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | RshToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | GeToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | GtToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | IncrementToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | DecrementToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | PlusToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | MinusToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | MulToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | DivToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | ModToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | NotToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | BitwiseNotToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | DotToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | LeftBracketToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | RightBracketToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | LeftCurlyToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | RightCurlyToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | LeftParenToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | RightParenToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + | CondcommentEndToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } + + -- Special cases + | TailToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } -- ^ Stuff between last JS and EOF + | EOFToken { token_span :: !TokenPosn, token_comment :: ![CommentAnnotation] } -- ^ End of file + deriving (Eq,{-Ord,-}Show,Typeable{-,Data-}) + + +-- | Produce a string from a token containing detailed information. Mainly intended for debugging. +debugTokenString :: Token -> String +debugTokenString _token = + "blah" + {- + render (text (show $ toConstr token) <+> pretty (token_span token) <+> + if hasLiteral token then text (token_literal token) else empty) + -} + + +-- EOF diff --git a/src/Language/JavaScript/Pretty/Printer.hs b/src/Language/JavaScript/Pretty/Printer.hs new file mode 100644 index 0000000..e0e03e6 --- /dev/null +++ b/src/Language/JavaScript/Pretty/Printer.hs @@ -0,0 +1,223 @@ +module Language.JavaScript.Pretty.Printer ( + -- * Printing + renderJS + , renderToString + ) where + +import Data.Char +import Data.List +import Data.Monoid (Monoid, mappend, mempty, mconcat) +import Language.JavaScript.Parser.AST +import Language.JavaScript.Parser.Parser +import Language.JavaScript.Parser.SrcLocation +import Language.JavaScript.Parser.Token +import qualified Blaze.ByteString.Builder as BB +import qualified Blaze.ByteString.Builder.Char.Utf8 as BS +import qualified Data.ByteString.Lazy as LB +import qualified Codec.Binary.UTF8.String as US + +import Debug.Trace + +-- --------------------------------------------------------------------- + +data Foo = Foo (Int,Int) BB.Builder + +-- --------------------------------------------------------------------- +-- Pretty printer stuff via blaze-builder + +(<>) :: BB.Builder -> BB.Builder -> BB.Builder +(<>) a b = mappend a b + +(<+>) :: BB.Builder -> BB.Builder -> BB.Builder +(<+>) a b = mconcat [a, (text " "), b] + +--() ((Int, Int), BB.Builder) -> ((Int, Int), BB.Builder) -> ((Int, Int), BB.Builder) +--() a b = + +hcat :: (Monoid a) => [a] -> a +hcat xs = mconcat xs + +empty :: BB.Builder +empty = mempty + +text :: String -> BB.Builder +text s = BS.fromString s + +char :: Char -> BB.Builder +char c = BS.fromChar c + +comma :: BB.Builder +comma = BS.fromChar ',' + +punctuate :: a -> [a] -> [a] +punctuate p xs = intersperse p xs + +-- --------------------------------------------------------------------- + +() :: Foo -> Foo -> Foo +() (Foo _ bb1) (Foo (r,c) bb2) = Foo (r,c) (mappend bb1 bb2) +--() a b = mappend a b + +-- --------------------------------------------------------------------- + +renderJS :: JSNode -> BB.Builder +renderJS node = bb + where + Foo _ bb = rn node (Foo (1,1) empty) + +-- Take in the current +-- rn :: (Int, Int) -> JSNode -> ((Int, Int), BB.Builder) +rn :: JSNode -> Foo -> Foo + +-- Terminals +rn (NT (JSIdentifier s ) p cs) foo = rcs cs p s foo +rn (NT (JSDecimal i ) p cs) foo = rcs cs p i foo +rn (NT (JSLiteral l ) p cs) foo = rcs cs p l foo +rn (NT (JSHexInteger i ) p cs) foo = rcs cs p i foo +rn (NT (JSOctal i ) p cs) foo = rcs cs p i foo +rn (NT (JSStringLiteral s l) p cs) foo = rcs cs p ((s:l)++[s]) foo +rn (NT (JSRegEx s ) p cs) foo = rcs cs p s foo + +-- Non-Terminals +rn (NN (JSArguments lb xs rb)) foo = rJS ([lb] ++ xs ++ [rb]) foo +rn (NN (JSArrayLiteral lb xs rb)) foo = rJS ([lb] ++ xs ++ [rb]) foo +rn (NN (JSBlock lb x rb)) foo = rJS (lb ++ x ++ rb) foo +rn (NN (JSBreak b x1s as)) foo = rJS ([b]++x1s++[as]) foo +rn (NN (JSCallExpression s os xs cs)) foo = rJS (os ++ xs ++ cs) foo +rn (NN (JSCase ca x1 c x2s)) foo = rJS ([ca,x1,c]++x2s) foo +rn (NN (JSCatch c lb x1 x2s rb x3)) foo = rJS ([c,lb,x1]++x2s++[rb,x3]) foo +rn (NN (JSContinue c xs as)) foo = rJS ([c]++xs++[as]) foo +rn (NN (JSDefault d c xs)) foo = rJS ([d,c]++xs) foo +rn (NN (JSDoWhile d x1 w lb x2 rb x3)) foo = rJS ([d,x1,w,lb,x2,rb,x3]) foo +rn (NN (JSElision c)) foo = rJS [c] foo +rn (NN (JSExpression xs)) foo = rJS xs foo +rn (NN (JSExpressionBinary s lhs op rhs)) foo = rJS (lhs ++ [op] ++ rhs) foo +rn (NN (JSExpressionParen lb e rb)) foo = rJS ([lb,e,rb]) foo +rn (NN (JSExpressionPostfix s xs op)) foo = rJS (xs ++ [op]) foo +rn (NN (JSExpressionTernary cond h v1 c v2)) foo = rJS (cond ++[h] ++ v1 ++ [c] ++ v2) foo +rn (NN (JSFinally f x)) foo = rJS [f,x] foo +rn (NN (JSFor f lb x1s s1 x2s s2 x3s rb x4)) foo = rJS ([f,lb]++x1s++[s1]++x2s++[s2]++x3s++[rb,x4]) foo +rn (NN (JSForIn f lb x1s i x2 rb x3)) foo = rJS ([f,lb]++x1s++[i,x2,rb,x3]) foo +rn (NN (JSForVar f lb v x1s s1 x2s s2 x3s rb x4)) foo = rJS ([f,lb,v]++x1s++[s1]++x2s++[s2]++x3s++[rb,x4]) foo +rn (NN (JSForVarIn f lb v x1 i x2 rb x3)) foo = rJS [f,lb,v,x1,i,x2,rb,x3] foo +rn (NN (JSFunction f x1 lb x2s rb x3)) foo = rJS ([f,x1,lb]++x2s++[rb,x3]) foo +-- rn (NN (JSFunctionBody xs)) foo = rJS xs foo +rn (NN (JSFunctionExpression f x1s lb x2s rb x3)) foo = rJS ([f] ++ x1s ++ [lb] ++ x2s ++ [rb,x3]) foo +rn (NN (JSIf i lb x1 rb x2s x3s)) foo = rJS ([i,lb,x1,rb]++x2s++x3s) foo +rn (NN (JSLabelled l c v)) foo = rJS [l,c,v] foo +rn (NN (JSMemberDot xs dot n)) foo = rJS (xs ++ [dot,n]) foo +rn (NN (JSMemberSquare xs lb e rb)) foo = rJS (xs ++ [lb,e,rb]) foo +rn (NN (JSObjectLiteral lb xs rb)) foo = rJS ([lb] ++ xs ++ [rb]) foo +rn (NN (JSOperator n)) foo = rJS [n] foo +rn (NN (JSPropertyAccessor s n lb1 ps rb1 b)) foo = rJS ([s,n,lb1] ++ ps ++ [rb1,b]) foo +rn (NN (JSPropertyNameandValue n colon vs)) foo = rJS ([n,colon] ++ vs) foo +rn (NN (JSReturn r xs as)) foo = rJS ([r] ++ xs ++ [as]) foo +-- rn (NN (JSSourceElements xs)) foo = rJS xs foo +rn (NN (JSSourceElementsTop xs)) foo = rJS xs foo +-- rn (NN (JSStatementBlock lb x rb)) foo = rJS [lb,x,rb] foo +-- rn (NN (JSStatementList xs)) foo = rJS xs foo +rn (NN (JSSwitch s lb x rb x2)) foo = rJS ([s,lb,x,rb,x2]) foo +rn (NN (JSThrow t x)) foo = rJS [t,x] foo +rn (NN (JSTry t x1 x2s)) foo = rJS ([t,x1]++x2s) foo +rn (NN (JSUnary l n)) foo = rJS [n] foo +rn (NN (JSVarDecl x1 x2s)) foo = rJS ([x1]++x2s) foo +rn (NN (JSVariables n xs as)) foo = rJS ([n]++xs++[as]) foo +rn (NN (JSWhile w lb x1 rb x2)) foo = rJS [w,lb,x1,rb,x2] foo +rn (NN (JSWith w lb x1 rb x2s)) foo = rJS ([w,lb,x1,rb]++x2s) foo + +-- Debug helper +rn what foo = rs (show what) foo + +--rn _ _ = undefined + +-- --------------------------------------------------------------------- +-- Helper functions + +-- --------------------------------------------------------------------- +-- Need a function that +-- a) renders all comments, according to their positions +-- b) advances to the position of the required string +-- c) renders the string, advancing the position +rcs :: [CommentAnnotation] -> TokenPosn -> String -> Foo -> Foo +rcs cs p s foo = rps p s (rc cs foo) + +rc :: [CommentAnnotation] -> Foo -> Foo +rc cs foo = foldl' go foo cs + where + go :: Foo -> CommentAnnotation -> Foo + go foo NoComment = foo + go foo (CommentA p s) = rps p s foo + go foo (WhiteSpace p s) = rps p s foo + +-- Render a string at the given position +rps :: TokenPosn -> String -> Foo -> Foo +rps p s foo = (rs s foo') + where + foo' = (goto p foo) + +-- Render a string +rs :: String -> Foo -> Foo +rs s (Foo (r,c) bb) = (Foo (r',c') (bb <> (text s))) + where + (r',c') = foldl' (\(row,col) char -> go (row,col) char) (r,c) s + + go (r,c) '\n' = (r+1,1) + go (r,c) '\t' = (r,c+8) + go (r,c) _ = (r,c+1) + + +goto :: TokenPosn -> Foo -> Foo +goto (TokenPn _ ltgt ctgt) (Foo (lcur,ccur) bb) = (Foo (lnew,cnew) (bb <> bb')) +-- goto (TokenPn _ ltgt ctgt) (Foo (lcur,ccur) bb) = trace ("goto " ++ (show $ (ltgt,ctgt)) ++ "," ++ (show $ (lcur,ccur)) ++ "," ++ (show $ (lnew,cnew)) ) $ (Foo (lnew,cnew) (bb <> bb')) + where + (bbline,ccur') = if (lcur < ltgt) then (text $ (take (ltgt - lcur) $ repeat '\n'),1) else (mempty,ccur) + bbcol = if (ccur' < ctgt) then (text $ take (ctgt - ccur') $ repeat ' ' ) else mempty + bb' = bbline <> bbcol + lnew = if (lcur < ltgt) then ltgt else lcur + cnew = if (ccur' < ctgt) then ctgt else ccur' + + +rJS :: [JSNode] -> Foo -> Foo +rJS xs foo = foldl' (flip rn) foo xs + +renderToString :: JSNode -> String +-- need to be careful to not lose the unicode encoding on output +renderToString js = US.decode $ LB.unpack $ BB.toLazyByteString $ renderJS js + + +-- --------------------------------------------------------------------- +-- Test stuff + +_r :: JSNode -> String +_r js = map (\x -> chr (fromIntegral x)) $ LB.unpack $ BB.toLazyByteString $ renderJS js + +_t :: String -> String +_t str = _r $ readJs str + + +-- readJs "/*a*/x" +_ax = (NN + (JSExpression + [NT + (JSIdentifier "x") + (TokenPn 5 1 6) + [CommentA (TokenPn 0 1 1) "/*a*/"]]) + ) + + +-- readJs "//j\nthis_" +-- NS (JSSourceElementsTop [NS (JSExpression [NS (JSIdentifier "this_") (TokenPn 4 2 1) [CommentA (TokenPn 0 1 1) "//j"]]) (TokenPn 4 2 1) []]) (TokenPn 4 2 1) [] + +_r1 = NN + ( + JSExpression + [ + NT + (JSIdentifier "this_") + (TokenPn 4 2 1) + [CommentA (TokenPn 0 1 1) "//j"] + ]) + + +-- EOF + diff --git a/test/Unicode.js b/test/Unicode.js new file mode 100644 index 0000000..1ac26e1 --- /dev/null +++ b/test/Unicode.js @@ -0,0 +1,6 @@ +// -*- coding: utf-8 -*- + +àáâãäå = 1; + + + \ No newline at end of file diff --git a/test/k.js b/test/k.js new file mode 100644 index 0000000..232c4b9 --- /dev/null +++ b/test/k.js @@ -0,0 +1 @@ +function f() {} diff --git a/test/unicode.txt b/test/unicode.txt new file mode 100644 index 0000000..b18bbfe --- /dev/null +++ b/test/unicode.txt @@ -0,0 +1,30 @@ +-*- coding: utf-8; mode: xub -*- +¢ € ₠ £ ¥ ¤ + ° © ® ™ § ¶ † ‡ ※ + •◦ ‣ ✓ ●■◆ ○□◇ ★☆ ♠♣♥♦ ♤♧♡♢ + “” ‘’ ¿¡ «» ‹› ¶§ª - ‐ ‑ ‒ – — ― … +àáâãäåæç èéêë ìíîï ðñòóôõö øùúûüýþÿ ÀÁÂÃÄÅ Ç ÈÉÊË ÌÍÎÏ ÐÑ ÒÓÔÕÖ ØÙÚÛÜÝÞß +Æ ᴁ ᴂ ᴈ + ΑΒΓΔ ΕΖΗΘ ΙΚΛΜ ΝΞΟΠ ΡΣΤΥ ΦΧΨΩ αβγδ εζηθ ικλμ νξοπ ρςτυ φχψω + ⌈⌉ ⌊⌋ ∏ ∑ ∫ ×÷ ⊕ ⊖ ⊗ ⊘ ⊙ ∙ ∘ ′ ″ ‴ ∼ ∂ √ ≔ × ⁱ ⁰ ¹ ² ³ ₀ ₁ ₂ + π ∞ ± ∎ + ∀¬∧∨∃⊦∵∴∅∈∉⊂⊃⊆⊇⊄⋂⋃ + ≠≤≥≮≯≫≪≈≡ + ℕℤℚℝℂ + ←→↑↓ ↔ ↖↗↙↘ ⇐⇒⇑⇓ ⇔⇗ ⇦⇨⇧⇩ ↞↠↟↡ ↺↻ ☞☜☝☟ +λ ƒ Ɱ + ⌘ ⌥ ‸ ⇧ ⌤ ↑ ↓ → ← ⇞ ⇟ ↖ ↘ ⌫ ⌦ ⎋⏏ ↶↷ ◀▶▲▼ ◁▷△▽ ⇄ ⇤⇥ ↹ ↵↩⏎ ⌧ ⌨ ␣ ⌶ ⎗⎘⎙⎚ ⌚⌛ ✂✄ ✉✍ + + ♩♪♫♬♭♮♯ + ➀➁➂➃➄➅➆➇➈➉ + 卐卍✝✚✡☥⎈☭☪☮☺☹ ☯☰☱☲☳☴☵☶☷ ☠☢☣☤♲♳⌬♨♿ ☉☼☾☽ ♀♂ ♔♕♖ ♗♘♙ ♚♛ ♜♝♞♟ + ❦ +　、。！，：「」『』〈〉《》〖〗【】〔〕 + +ㄅㄆㄇㄈㄉㄊㄋㄌㄍㄎㄏㄐㄑㄒㄓㄔㄕㄖㄗㄘㄙㄚㄛㄜㄝㄞㄟㄠㄡㄢㄣㄤㄥㄦㄧㄨㄩ + +林花謝了春紅 太匆匆, 無奈朝來寒雨 晚來風 +胭脂淚 留人醉 幾時重, 自是人生長恨 水長東 + + http://xahlee.org/emacs/unicode-browser.html + http://xahlee.org/Periodic_dosage_dir/t1/20040505_unicode.html