From afb28a43d481075a244b0e18faa8447dfadacf8f Mon Sep 17 00:00:00 2001 From: Gaming4JC Date: Sat, 8 Jun 2019 16:51:29 -0400 Subject: 1317375 - Implement "Template Literals Revision / Lifting Template Literal Restriction" ECMAScript proposal --- js/src/builtin/ReflectParse.cpp | 12 +- js/src/frontend/BytecodeEmitter.cpp | 5 + js/src/frontend/FoldConstants.cpp | 4 + js/src/frontend/FullParseHandler.h | 4 + js/src/frontend/NameFunctions.cpp | 6 +- js/src/frontend/ParseNode.cpp | 2 + js/src/frontend/ParseNode.h | 18 ++- js/src/frontend/Parser.cpp | 25 ++- js/src/frontend/Parser.h | 3 +- js/src/frontend/SyntaxParseHandler.h | 1 + js/src/frontend/TokenStream.cpp | 140 ++++++++++------- js/src/frontend/TokenStream.h | 62 +++++++- js/src/tests/ecma_6/TemplateStrings/tagTempl.js | 171 +++++++++++++++++++++ .../tests/js1_8_5/reflect-parse/templateStrings.js | 2 + 14 files changed, 386 insertions(+), 69 deletions(-) (limited to 'js/src') diff --git a/js/src/builtin/ReflectParse.cpp b/js/src/builtin/ReflectParse.cpp index 2a0a08a5d..3495ede2f 100644 --- a/js/src/builtin/ReflectParse.cpp +++ b/js/src/builtin/ReflectParse.cpp @@ -3044,7 +3044,12 @@ ASTSerializer::expression(ParseNode* pn, MutableHandleValue dst) MOZ_ASSERT(pn->pn_pos.encloses(next->pn_pos)); RootedValue expr(cx); - expr.setString(next->pn_atom); + if (next->isKind(PNK_RAW_UNDEFINED)) { + expr.setUndefined(); + } else { + MOZ_ASSERT(next->isKind(PNK_TEMPLATE_STRING)); + expr.setString(next->pn_atom); + } cooked.infallibleAppend(expr); } @@ -3136,6 +3141,7 @@ ASTSerializer::expression(ParseNode* pn, MutableHandleValue dst) case PNK_TRUE: case PNK_FALSE: case PNK_NULL: + case PNK_RAW_UNDEFINED: return literal(pn, dst); case PNK_YIELD_STAR: @@ -3276,6 +3282,10 @@ ASTSerializer::literal(ParseNode* pn, MutableHandleValue dst) val.setNull(); break; + case PNK_RAW_UNDEFINED: + val.setUndefined(); + break; + case PNK_TRUE: val.setBoolean(true); break; diff --git a/js/src/frontend/BytecodeEmitter.cpp b/js/src/frontend/BytecodeEmitter.cpp index 7f9fa8a5d..44787dc52 100644 --- a/js/src/frontend/BytecodeEmitter.cpp +++ b/js/src/frontend/BytecodeEmitter.cpp @@ -3069,6 +3069,7 @@ BytecodeEmitter::checkSideEffects(ParseNode* pn, bool* answer) case PNK_TRUE: case PNK_FALSE: case PNK_NULL: + case PNK_RAW_UNDEFINED: case PNK_ELISION: case PNK_GENERATOR: case PNK_NUMBER: @@ -6242,6 +6243,9 @@ ParseNode::getConstantValue(ExclusiveContext* cx, AllowConstantObjects allowObje case PNK_NULL: vp.setNull(); return true; + case PNK_RAW_UNDEFINED: + vp.setUndefined(); + return true; case PNK_CALLSITEOBJ: case PNK_ARRAY: { unsigned count; @@ -10636,6 +10640,7 @@ BytecodeEmitter::emitTree(ParseNode* pn, EmitLineNumberNote emitLineNote) case PNK_TRUE: case PNK_FALSE: case PNK_NULL: + case PNK_RAW_UNDEFINED: if (!emit1(pn->getOp())) return false; break; diff --git a/js/src/frontend/FoldConstants.cpp b/js/src/frontend/FoldConstants.cpp index 6f62ffac6..441a72a45 100644 --- a/js/src/frontend/FoldConstants.cpp +++ b/js/src/frontend/FoldConstants.cpp @@ -378,6 +378,7 @@ ContainsHoistedDeclaration(ExclusiveContext* cx, ParseNode* node, bool* result) case PNK_TRUE: case PNK_FALSE: case PNK_NULL: + case PNK_RAW_UNDEFINED: case PNK_THIS: case PNK_ELISION: case PNK_NUMBER: @@ -468,6 +469,7 @@ IsEffectless(ParseNode* node) node->isKind(PNK_TEMPLATE_STRING) || node->isKind(PNK_NUMBER) || node->isKind(PNK_NULL) || + node->isKind(PNK_RAW_UNDEFINED) || node->isKind(PNK_FUNCTION) || node->isKind(PNK_GENEXP); } @@ -492,6 +494,7 @@ Boolish(ParseNode* pn) case PNK_FALSE: case PNK_NULL: + case PNK_RAW_UNDEFINED: return Falsy; case PNK_VOID: { @@ -1643,6 +1646,7 @@ Fold(ExclusiveContext* cx, ParseNode** pnp, Parser& parser, bo case PNK_TRUE: case PNK_FALSE: case PNK_NULL: + case PNK_RAW_UNDEFINED: case PNK_ELISION: case PNK_NUMBER: case PNK_DEBUGGER: diff --git a/js/src/frontend/FullParseHandler.h b/js/src/frontend/FullParseHandler.h index 3938d9743..f0fc7700d 100644 --- a/js/src/frontend/FullParseHandler.h +++ b/js/src/frontend/FullParseHandler.h @@ -183,6 +183,10 @@ class FullParseHandler return new_(pos); } + ParseNode* newRawUndefinedLiteral(const TokenPos& pos) { + return new_(pos); + } + // The Boxer object here is any object that can allocate ObjectBoxes. // Specifically, a Boxer has a .newObjectBox(T) method that accepts a // Rooted argument and returns an ObjectBox*. diff --git a/js/src/frontend/NameFunctions.cpp b/js/src/frontend/NameFunctions.cpp index ce1318f0b..dc54d0a88 100644 --- a/js/src/frontend/NameFunctions.cpp +++ b/js/src/frontend/NameFunctions.cpp @@ -316,7 +316,8 @@ class NameResolver return false; // Next is the callsite object node. This node only contains - // internal strings and an array -- no user-controlled expressions. + // internal strings or undefined and an array -- no user-controlled + // expressions. element = element->pn_next; #ifdef DEBUG { @@ -326,7 +327,7 @@ class NameResolver for (ParseNode* kid = array->pn_head; kid; kid = kid->pn_next) MOZ_ASSERT(kid->isKind(PNK_TEMPLATE_STRING)); for (ParseNode* next = array->pn_next; next; next = next->pn_next) - MOZ_ASSERT(next->isKind(PNK_TEMPLATE_STRING)); + MOZ_ASSERT(next->isKind(PNK_TEMPLATE_STRING) || next->isKind(PNK_RAW_UNDEFINED)); } #endif @@ -382,6 +383,7 @@ class NameResolver case PNK_TRUE: case PNK_FALSE: case PNK_NULL: + case PNK_RAW_UNDEFINED: case PNK_ELISION: case PNK_GENERATOR: case PNK_NUMBER: diff --git a/js/src/frontend/ParseNode.cpp b/js/src/frontend/ParseNode.cpp index 91f17625c..5fe64e3d3 100644 --- a/js/src/frontend/ParseNode.cpp +++ b/js/src/frontend/ParseNode.cpp @@ -190,6 +190,7 @@ PushNodeChildren(ParseNode* pn, NodeStack* stack) case PNK_TRUE: case PNK_FALSE: case PNK_NULL: + case PNK_RAW_UNDEFINED: case PNK_ELISION: case PNK_GENERATOR: case PNK_NUMBER: @@ -685,6 +686,7 @@ NullaryNode::dump() case PNK_TRUE: fprintf(stderr, "#true"); break; case PNK_FALSE: fprintf(stderr, "#false"); break; case PNK_NULL: fprintf(stderr, "#null"); break; + case PNK_RAW_UNDEFINED: fprintf(stderr, "#undefined"); break; case PNK_NUMBER: { ToCStringBuf cbuf; diff --git a/js/src/frontend/ParseNode.h b/js/src/frontend/ParseNode.h index c3523afe4..c0669d85e 100644 --- a/js/src/frontend/ParseNode.h +++ b/js/src/frontend/ParseNode.h @@ -54,6 +54,7 @@ class ObjectBox; F(TRUE) \ F(FALSE) \ F(NULL) \ + F(RAW_UNDEFINED) \ F(THIS) \ F(FUNCTION) \ F(MODULE) \ @@ -406,7 +407,8 @@ IsTypeofKind(ParseNodeKind kind) * PNK_NUMBER dval pn_dval: double value of numeric literal * PNK_TRUE, nullary pn_op: JSOp bytecode * PNK_FALSE, - * PNK_NULL + * PNK_NULL, + * PNK_RAW_UNDEFINED * * PNK_THIS, unary pn_kid: '.this' Name if function `this`, else nullptr * PNK_SUPERBASE unary pn_kid: '.this' Name @@ -686,7 +688,8 @@ class ParseNode isKind(PNK_STRING) || isKind(PNK_TRUE) || isKind(PNK_FALSE) || - isKind(PNK_NULL); + isKind(PNK_NULL) || + isKind(PNK_RAW_UNDEFINED); } /* Return true if this node appears in a Directive Prologue. */ @@ -1141,6 +1144,16 @@ class NullLiteral : public ParseNode explicit NullLiteral(const TokenPos& pos) : ParseNode(PNK_NULL, JSOP_NULL, PN_NULLARY, pos) { } }; +// This is only used internally, currently just for tagged templates. +// It represents the value 'undefined' (aka `void 0`), like NullLiteral +// represents the value 'null'. +class RawUndefinedLiteral : public ParseNode +{ + public: + explicit RawUndefinedLiteral(const TokenPos& pos) + : ParseNode(PNK_RAW_UNDEFINED, JSOP_UNDEFINED, PN_NULLARY, pos) { } +}; + class BooleanLiteral : public ParseNode { public: @@ -1361,6 +1374,7 @@ ParseNode::isConstant() case PNK_STRING: case PNK_TEMPLATE_STRING: case PNK_NULL: + case PNK_RAW_UNDEFINED: case PNK_FALSE: case PNK_TRUE: return true; diff --git a/js/src/frontend/Parser.cpp b/js/src/frontend/Parser.cpp index 66ada79f2..0ff10f73f 100644 --- a/js/src/frontend/Parser.cpp +++ b/js/src/frontend/Parser.cpp @@ -3123,7 +3123,7 @@ template typename ParseHandler::Node Parser::templateLiteral(YieldHandling yieldHandling) { - Node pn = noSubstitutionTemplate(); + Node pn = noSubstitutionUntaggedTemplate(); if (!pn) return null(); @@ -3136,7 +3136,7 @@ Parser::templateLiteral(YieldHandling yieldHandling) if (!addExprAndGetNextTemplStrToken(yieldHandling, nodeList, &tt)) return null(); - pn = noSubstitutionTemplate(); + pn = noSubstitutionUntaggedTemplate(); if (!pn) return null(); @@ -3365,7 +3365,7 @@ template bool Parser::appendToCallSiteObj(Node callSiteObj) { - Node cookedNode = noSubstitutionTemplate(); + Node cookedNode = noSubstitutionTaggedTemplate(); if (!cookedNode) return false; @@ -8753,8 +8753,23 @@ Parser::stringLiteral() template typename ParseHandler::Node -Parser::noSubstitutionTemplate() +Parser::noSubstitutionTaggedTemplate() { + if (tokenStream.hasInvalidTemplateEscape()) { + tokenStream.clearInvalidTemplateEscape(); + return handler.newRawUndefinedLiteral(pos()); + } + + return handler.newTemplateStringLiteral(stopStringCompression(), pos()); +} + +template +typename ParseHandler::Node +Parser::noSubstitutionUntaggedTemplate() +{ + if (!tokenStream.checkForInvalidTemplateEscapeError()) + return null(); + return handler.newTemplateStringLiteral(stopStringCompression(), pos()); } @@ -9485,7 +9500,7 @@ Parser::primaryExpr(YieldHandling yieldHandling, TripledotHandling return templateLiteral(yieldHandling); case TOK_NO_SUBS_TEMPLATE: - return noSubstitutionTemplate(); + return noSubstitutionUntaggedTemplate(); case TOK_STRING: return stringLiteral(); diff --git a/js/src/frontend/Parser.h b/js/src/frontend/Parser.h index e36a6e8b2..b850dc00b 100644 --- a/js/src/frontend/Parser.h +++ b/js/src/frontend/Parser.h @@ -1052,7 +1052,8 @@ class Parser final : public ParserBase, private JS::AutoGCRooter JSAtom* stopStringCompression(); Node stringLiteral(); - Node noSubstitutionTemplate(); + Node noSubstitutionTaggedTemplate(); + Node noSubstitutionUntaggedTemplate(); Node templateLiteral(YieldHandling yieldHandling); bool taggedTemplate(YieldHandling yieldHandling, Node nodeList, TokenKind tt); bool appendToCallSiteObj(Node callSiteObj); diff --git a/js/src/frontend/SyntaxParseHandler.h b/js/src/frontend/SyntaxParseHandler.h index 9dc3c1072..aa85a631e 100644 --- a/js/src/frontend/SyntaxParseHandler.h +++ b/js/src/frontend/SyntaxParseHandler.h @@ -224,6 +224,7 @@ class SyntaxParseHandler Node newThisLiteral(const TokenPos& pos, Node thisName) { return NodeGeneric; } Node newNullLiteral(const TokenPos& pos) { return NodeGeneric; } + Node newRawUndefinedLiteral(const TokenPos& pos) { return NodeGeneric; } template Node newRegExp(RegExpObject* reobj, const TokenPos& pos, Boxer& boxer) { return NodeGeneric; } diff --git a/js/src/frontend/TokenStream.cpp b/js/src/frontend/TokenStream.cpp index 186b7a8ab..6a7934e8f 100644 --- a/js/src/frontend/TokenStream.cpp +++ b/js/src/frontend/TokenStream.cpp @@ -1917,55 +1917,6 @@ TokenStream::getTokenInternal(TokenKind* ttp, Modifier modifier) return false; } -bool -TokenStream::matchBracedUnicode(bool* matched, uint32_t* cp) -{ - int32_t c; - if (!peekChar(&c)) - return false; - if (c != '{') { - *matched = false; - return true; - } - - consumeKnownChar('{'); - - uint32_t start = userbuf.offset(); - - bool first = true; - uint32_t code = 0; - do { - int32_t c = getCharIgnoreEOL(); - if (c == EOF) { - error(JSMSG_MALFORMED_ESCAPE, "Unicode"); - return false; - } - if (c == '}') { - if (first) { - error(JSMSG_MALFORMED_ESCAPE, "Unicode"); - return false; - } - break; - } - - if (!JS7_ISHEX(c)) { - error(JSMSG_MALFORMED_ESCAPE, "Unicode"); - return false; - } - - code = (code << 4) | JS7_UNHEX(c); - if (code > unicode::NonBMPMax) { - errorAt(start, JSMSG_UNICODE_OVERFLOW, "escape sequence"); - return false; - } - first = false; - } while (true); - - *matched = true; - *cp = code; - return true; -} - bool TokenStream::getStringOrTemplateToken(int untilChar, Token** tp) { @@ -1988,6 +1939,10 @@ TokenStream::getStringOrTemplateToken(int untilChar, Token** tp) } if (c == '\\') { + // When parsing templates, we don't immediately report errors for + // invalid escapes; these are handled by the parser. + // In those cases we don't append to tokenbuf, since it won't be + // read. switch (c = getChar()) { case 'b': c = '\b'; break; case 'f': c = '\f'; break; @@ -2003,11 +1958,73 @@ TokenStream::getStringOrTemplateToken(int untilChar, Token** tp) // Unicode character specification. case 'u': { - bool matched; - uint32_t code; - if (!matchBracedUnicode(&matched, &code)) + uint32_t code = 0; + + int32_t c2; + if (!peekChar(&c2)) return false; - if (matched) { + + uint32_t start = userbuf.offset() - 2; + + if (c2 == '{') { + consumeKnownChar('{'); + + bool first = true; + bool valid = true; + do { + int32_t c = getCharIgnoreEOL(); + if (c == EOF) { + if (parsingTemplate) { + setInvalidTemplateEscape(start, InvalidEscapeType::Unicode); + valid = false; + break; + } + reportInvalidEscapeError(start, InvalidEscapeType::Unicode); + return false; + } + if (c == '}') { + if (first) { + if (parsingTemplate) { + setInvalidTemplateEscape(start, InvalidEscapeType::Unicode); + valid = false; + break; + } + reportInvalidEscapeError(start, InvalidEscapeType::Unicode); + return false; + } + break; + } + + if (!JS7_ISHEX(c)) { + if (parsingTemplate) { + // We put the character back so that we read + // it on the next pass, which matters if it + // was '`' or '\'. + ungetCharIgnoreEOL(c); + setInvalidTemplateEscape(start, InvalidEscapeType::Unicode); + valid = false; + break; + } + reportInvalidEscapeError(start, InvalidEscapeType::Unicode); + return false; + } + + code = (code << 4) | JS7_UNHEX(c); + if (code > unicode::NonBMPMax) { + if (parsingTemplate) { + setInvalidTemplateEscape(start + 3, InvalidEscapeType::UnicodeOverflow); + valid = false; + break; + } + reportInvalidEscapeError(start + 3, InvalidEscapeType::UnicodeOverflow); + return false; + } + + first = false; + } while (true); + + if (!valid) + continue; MOZ_ASSERT(code <= unicode::NonBMPMax); if (code < unicode::NonBMPMin) { @@ -2030,7 +2047,11 @@ TokenStream::getStringOrTemplateToken(int untilChar, Token** tp) c = (c << 4) + JS7_UNHEX(cp[3]); skipChars(4); } else { - error(JSMSG_MALFORMED_ESCAPE, "Unicode"); + if (parsingTemplate) { + setInvalidTemplateEscape(start, InvalidEscapeType::Unicode); + continue; + } + reportInvalidEscapeError(start, InvalidEscapeType::Unicode); return false; } break; @@ -2043,7 +2064,12 @@ TokenStream::getStringOrTemplateToken(int untilChar, Token** tp) c = (JS7_UNHEX(cp[0]) << 4) + JS7_UNHEX(cp[1]); skipChars(2); } else { - error(JSMSG_MALFORMED_ESCAPE, "hexadecimal"); + uint32_t start = userbuf.offset() - 2; + if (parsingTemplate) { + setInvalidTemplateEscape(start, InvalidEscapeType::Hexadecimal); + continue; + } + reportInvalidEscapeError(start, InvalidEscapeType::Hexadecimal); return false; } break; @@ -2060,8 +2086,8 @@ TokenStream::getStringOrTemplateToken(int untilChar, Token** tp) // Strict mode code allows only \0, then a non-digit. if (val != 0 || JS7_ISDEC(c)) { if (parsingTemplate) { - error(JSMSG_DEPRECATED_OCTAL); - return false; + setInvalidTemplateEscape(userbuf.offset() - 2, InvalidEscapeType::Octal); + continue; } if (!reportStrictModeError(JSMSG_DEPRECATED_OCTAL)) return false; diff --git a/js/src/frontend/TokenStream.h b/js/src/frontend/TokenStream.h index 4efc31446..fbfefbfe1 100644 --- a/js/src/frontend/TokenStream.h +++ b/js/src/frontend/TokenStream.h @@ -80,6 +80,20 @@ struct TokenPos { enum DecimalPoint { NoDecimal = false, HasDecimal = true }; +enum class InvalidEscapeType { + // No invalid character escapes. + None, + // A malformed \x escape. + Hexadecimal, + // A malformed \u escape. + Unicode, + // An otherwise well-formed \u escape which represents a + // codepoint > 10FFFF. + UnicodeOverflow, + // An octal escape in a template token. + Octal +}; + class TokenStream; struct Token @@ -361,6 +375,23 @@ class MOZ_STACK_CLASS TokenStream bool hadError() const { return flags.hadError; } void clearSawOctalEscape() { flags.sawOctalEscape = false; } + bool hasInvalidTemplateEscape() const { + return invalidTemplateEscapeType != InvalidEscapeType::None; + } + void clearInvalidTemplateEscape() { + invalidTemplateEscapeType = InvalidEscapeType::None; + } + + // If there is an invalid escape in a template, report it and return false, + // otherwise return true. + bool checkForInvalidTemplateEscapeError() { + if (invalidTemplateEscapeType == InvalidEscapeType::None) + return true; + + reportInvalidEscapeError(invalidTemplateEscapeOffset, invalidTemplateEscapeType); + return false; + } + // TokenStream-specific error reporters. bool reportError(unsigned errorNumber, ...); bool reportErrorNoOffset(unsigned errorNumber, ...); @@ -422,6 +453,33 @@ class MOZ_STACK_CLASS TokenStream bool reportStrictModeError(unsigned errorNumber, ...); bool strictMode() const { return strictModeGetter && strictModeGetter->strictMode(); } + void setInvalidTemplateEscape(uint32_t offset, InvalidEscapeType type) { + MOZ_ASSERT(type != InvalidEscapeType::None); + if (invalidTemplateEscapeType != InvalidEscapeType::None) + return; + invalidTemplateEscapeOffset = offset; + invalidTemplateEscapeType = type; + } + void reportInvalidEscapeError(uint32_t offset, InvalidEscapeType type) { + switch (type) { + case InvalidEscapeType::None: + MOZ_ASSERT_UNREACHABLE("unexpected InvalidEscapeType"); + return; + case InvalidEscapeType::Hexadecimal: + errorAt(offset, JSMSG_MALFORMED_ESCAPE, "hexadecimal"); + return; + case InvalidEscapeType::Unicode: + errorAt(offset, JSMSG_MALFORMED_ESCAPE, "Unicode"); + return; + case InvalidEscapeType::UnicodeOverflow: + errorAt(offset, JSMSG_UNICODE_OVERFLOW, "escape sequence"); + return; + case InvalidEscapeType::Octal: + errorAt(offset, JSMSG_DEPRECATED_OCTAL); + return; + } + } + static JSAtom* atomize(ExclusiveContext* cx, CharBuffer& cb); MOZ_MUST_USE bool putIdentInTokenbuf(const char16_t* identStart); @@ -442,6 +500,9 @@ class MOZ_STACK_CLASS TokenStream bool awaitIsKeyword = false; friend class AutoAwaitIsKeyword; + uint32_t invalidTemplateEscapeOffset = 0; + InvalidEscapeType invalidTemplateEscapeType = InvalidEscapeType::None; + public: typedef Token::Modifier Modifier; static constexpr Modifier None = Token::None; @@ -955,7 +1016,6 @@ class MOZ_STACK_CLASS TokenStream MOZ_MUST_USE bool getTokenInternal(TokenKind* ttp, Modifier modifier); - MOZ_MUST_USE bool matchBracedUnicode(bool* matched, uint32_t* code); MOZ_MUST_USE bool getStringOrTemplateToken(int untilChar, Token** tp); int32_t getChar(); diff --git a/js/src/tests/ecma_6/TemplateStrings/tagTempl.js b/js/src/tests/ecma_6/TemplateStrings/tagTempl.js index 1e3f52bfb..99c2098dc 100644 --- a/js/src/tests/ecma_6/TemplateStrings/tagTempl.js +++ b/js/src/tests/ecma_6/TemplateStrings/tagTempl.js @@ -287,5 +287,176 @@ assertEq(String.raw`h\r\ney${4}there\n`, "h\\r\\ney4there\\n"); assertEq(String.raw`hey`, "hey"); assertEq(String.raw``, ""); +// Invalid escape sequences +check(raw`\01`, ["\\01"]); +check(raw`\01${0}right`, ["\\01","right"]); +check(raw`left${0}\01`, ["left","\\01"]); +check(raw`left${0}\01${1}right`, ["left","\\01","right"]); +check(raw`\1`, ["\\1"]); +check(raw`\1${0}right`, ["\\1","right"]); +check(raw`left${0}\1`, ["left","\\1"]); +check(raw`left${0}\1${1}right`, ["left","\\1","right"]); +check(raw`\xg`, ["\\xg"]); +check(raw`\xg${0}right`, ["\\xg","right"]); +check(raw`left${0}\xg`, ["left","\\xg"]); +check(raw`left${0}\xg${1}right`, ["left","\\xg","right"]); +check(raw`\xAg`, ["\\xAg"]); +check(raw`\xAg${0}right`, ["\\xAg","right"]); +check(raw`left${0}\xAg`, ["left","\\xAg"]); +check(raw`left${0}\xAg${1}right`, ["left","\\xAg","right"]); +check(raw`\u0`, ["\\u0"]); +check(raw`\u0${0}right`, ["\\u0","right"]); +check(raw`left${0}\u0`, ["left","\\u0"]); +check(raw`left${0}\u0${1}right`, ["left","\\u0","right"]); +check(raw`\u0g`, ["\\u0g"]); +check(raw`\u0g${0}right`, ["\\u0g","right"]); +check(raw`left${0}\u0g`, ["left","\\u0g"]); +check(raw`left${0}\u0g${1}right`, ["left","\\u0g","right"]); +check(raw`\u00g`, ["\\u00g"]); +check(raw`\u00g${0}right`, ["\\u00g","right"]); +check(raw`left${0}\u00g`, ["left","\\u00g"]); +check(raw`left${0}\u00g${1}right`, ["left","\\u00g","right"]); +check(raw`\u000g`, ["\\u000g"]); +check(raw`\u000g${0}right`, ["\\u000g","right"]); +check(raw`left${0}\u000g`, ["left","\\u000g"]); +check(raw`left${0}\u000g${1}right`, ["left","\\u000g","right"]); +check(raw`\u{}`, ["\\u{}"]); +check(raw`\u{}${0}right`, ["\\u{}","right"]); +check(raw`left${0}\u{}`, ["left","\\u{}"]); +check(raw`left${0}\u{}${1}right`, ["left","\\u{}","right"]); +check(raw`\u{-0}`, ["\\u{-0}"]); +check(raw`\u{-0}${0}right`, ["\\u{-0}","right"]); +check(raw`left${0}\u{-0}`, ["left","\\u{-0}"]); +check(raw`left${0}\u{-0}${1}right`, ["left","\\u{-0}","right"]); +check(raw`\u{g}`, ["\\u{g}"]); +check(raw`\u{g}${0}right`, ["\\u{g}","right"]); +check(raw`left${0}\u{g}`, ["left","\\u{g}"]); +check(raw`left${0}\u{g}${1}right`, ["left","\\u{g}","right"]); +check(raw`\u{0`, ["\\u{0"]); +check(raw`\u{0${0}right`, ["\\u{0","right"]); +check(raw`left${0}\u{0`, ["left","\\u{0"]); +check(raw`left${0}\u{0${1}right`, ["left","\\u{0","right"]); +check(raw`\u{\u{0}`, ["\\u{\\u{0}"]); +check(raw`\u{\u{0}${0}right`, ["\\u{\\u{0}","right"]); +check(raw`left${0}\u{\u{0}`, ["left","\\u{\\u{0}"]); +check(raw`left${0}\u{\u{0}${1}right`, ["left","\\u{\\u{0}","right"]); +check(raw`\u{110000}`, ["\\u{110000}"]); +check(raw`\u{110000}${0}right`, ["\\u{110000}","right"]); +check(raw`left${0}\u{110000}`, ["left","\\u{110000}"]); +check(raw`left${0}\u{110000}${1}right`, ["left","\\u{110000}","right"]); + +check(cooked`\01`, [void 0]); +check(cooked`\01${0}right`, [void 0,"right"]); +check(cooked`left${0}\01`, ["left",void 0]); +check(cooked`left${0}\01${1}right`, ["left",void 0,"right"]); +check(cooked`\1`, [void 0]); +check(cooked`\1${0}right`, [void 0,"right"]); +check(cooked`left${0}\1`, ["left",void 0]); +check(cooked`left${0}\1${1}right`, ["left",void 0,"right"]); +check(cooked`\xg`, [void 0]); +check(cooked`\xg${0}right`, [void 0,"right"]); +check(cooked`left${0}\xg`, ["left",void 0]); +check(cooked`left${0}\xg${1}right`, ["left",void 0,"right"]); +check(cooked`\xAg`, [void 0]); +check(cooked`\xAg${0}right`, [void 0,"right"]); +check(cooked`left${0}\xAg`, ["left",void 0]); +check(cooked`left${0}\xAg${1}right`, ["left",void 0,"right"]); +check(cooked`\u0`, [void 0]); +check(cooked`\u0${0}right`, [void 0,"right"]); +check(cooked`left${0}\u0`, ["left",void 0]); +check(cooked`left${0}\u0${1}right`, ["left",void 0,"right"]); +check(cooked`\u0g`, [void 0]); +check(cooked`\u0g${0}right`, [void 0,"right"]); +check(cooked`left${0}\u0g`, ["left",void 0]); +check(cooked`left${0}\u0g${1}right`, ["left",void 0,"right"]); +check(cooked`\u00g`, [void 0]); +check(cooked`\u00g${0}right`, [void 0,"right"]); +check(cooked`left${0}\u00g`, ["left",void 0]); +check(cooked`left${0}\u00g${1}right`, ["left",void 0,"right"]); +check(cooked`\u000g`, [void 0]); +check(cooked`\u000g${0}right`, [void 0,"right"]); +check(cooked`left${0}\u000g`, ["left",void 0]); +check(cooked`left${0}\u000g${1}right`, ["left",void 0,"right"]); +check(cooked`\u{}`, [void 0]); +check(cooked`\u{}${0}right`, [void 0,"right"]); +check(cooked`left${0}\u{}`, ["left",void 0]); +check(cooked`left${0}\u{}${1}right`, ["left",void 0,"right"]); +check(cooked`\u{-0}`, [void 0]); +check(cooked`\u{-0}${0}right`, [void 0,"right"]); +check(cooked`left${0}\u{-0}`, ["left",void 0]); +check(cooked`left${0}\u{-0}${1}right`, ["left",void 0,"right"]); +check(cooked`\u{g}`, [void 0]); +check(cooked`\u{g}${0}right`, [void 0,"right"]); +check(cooked`left${0}\u{g}`, ["left",void 0]); +check(cooked`left${0}\u{g}${1}right`, ["left",void 0,"right"]); +check(cooked`\u{0`, [void 0]); +check(cooked`\u{0${0}right`, [void 0,"right"]); +check(cooked`left${0}\u{0`, ["left",void 0]); +check(cooked`left${0}\u{0${1}right`, ["left",void 0,"right"]); +check(cooked`\u{\u{0}`, [void 0]); +check(cooked`\u{\u{0}${0}right`, [void 0,"right"]); +check(cooked`left${0}\u{\u{0}`, ["left",void 0]); +check(cooked`left${0}\u{\u{0}${1}right`, ["left",void 0,"right"]); +check(cooked`\u{110000}`, [void 0]); +check(cooked`\u{110000}${0}right`, [void 0,"right"]); +check(cooked`left${0}\u{110000}`, ["left",void 0]); +check(cooked`left${0}\u{110000}${1}right`, ["left",void 0,"right"]); + +syntaxError("`\\01`"); +syntaxError("`\\01${0}right`"); +syntaxError("`left${0}\\01`"); +syntaxError("`left${0}\\01${1}right`"); +syntaxError("`\\1`"); +syntaxError("`\\1${0}right`"); +syntaxError("`left${0}\\1`"); +syntaxError("`left${0}\\1${1}right`"); +syntaxError("`\\xg`"); +syntaxError("`\\xg${0}right`"); +syntaxError("`left${0}\\xg`"); +syntaxError("`left${0}\\xg${1}right`"); +syntaxError("`\\xAg`"); +syntaxError("`\\xAg${0}right`"); +syntaxError("`left${0}\\xAg`"); +syntaxError("`left${0}\\xAg${1}right`"); +syntaxError("`\\u0`"); +syntaxError("`\\u0${0}right`"); +syntaxError("`left${0}\\u0`"); +syntaxError("`left${0}\\u0${1}right`"); +syntaxError("`\\u0g`"); +syntaxError("`\\u0g${0}right`"); +syntaxError("`left${0}\\u0g`"); +syntaxError("`left${0}\\u0g${1}right`"); +syntaxError("`\\u00g`"); +syntaxError("`\\u00g${0}right`"); +syntaxError("`left${0}\\u00g`"); +syntaxError("`left${0}\\u00g${1}right`"); +syntaxError("`\\u000g`"); +syntaxError("`\\u000g${0}right`"); +syntaxError("`left${0}\\u000g`"); +syntaxError("`left${0}\\u000g${1}right`"); +syntaxError("`\\u{}`"); +syntaxError("`\\u{}${0}right`"); +syntaxError("`left${0}\\u{}`"); +syntaxError("`left${0}\\u{}${1}right`"); +syntaxError("`\\u{-0}`"); +syntaxError("`\\u{-0}${0}right`"); +syntaxError("`left${0}\\u{-0}`"); +syntaxError("`left${0}\\u{-0}${1}right`"); +syntaxError("`\\u{g}`"); +syntaxError("`\\u{g}${0}right`"); +syntaxError("`left${0}\\u{g}`"); +syntaxError("`left${0}\\u{g}${1}right`"); +syntaxError("`\\u{0`"); +syntaxError("`\\u{0${0}right`"); +syntaxError("`left${0}\\u{0`"); +syntaxError("`left${0}\\u{0${1}right`"); +syntaxError("`\\u{\\u{0}`"); +syntaxError("`\\u{\\u{0}${0}right`"); +syntaxError("`left${0}\\u{\\u{0}`"); +syntaxError("`left${0}\\u{\\u{0}${1}right`"); +syntaxError("`\\u{110000}`"); +syntaxError("`\\u{110000}${0}right`"); +syntaxError("`left${0}\\u{110000}`"); +syntaxError("`left${0}\\u{110000}${1}right`"); reportCompare(0, 0, "ok"); diff --git a/js/src/tests/js1_8_5/reflect-parse/templateStrings.js b/js/src/tests/js1_8_5/reflect-parse/templateStrings.js index c87ba96b8..fb12afd00 100644 --- a/js/src/tests/js1_8_5/reflect-parse/templateStrings.js +++ b/js/src/tests/js1_8_5/reflect-parse/templateStrings.js @@ -7,6 +7,8 @@ assertStringExpr("`hey\nthere`", literal("hey\nthere")); assertExpr("`hey${\"there\"}`", templateLit([lit("hey"), lit("there"), lit("")])); assertExpr("`hey${\"there\"}mine`", templateLit([lit("hey"), lit("there"), lit("mine")])); assertExpr("`hey${a == 5}mine`", templateLit([lit("hey"), binExpr("==", ident("a"), lit(5)), lit("mine")])); +assertExpr("func`hey\\x`", taggedTemplate(ident("func"), template(["hey\\x"], [void 0]))); +assertExpr("func`hey${4}\\x`", taggedTemplate(ident("func"), template(["hey","\\x"], ["hey",void 0], lit(4)))); assertExpr("`hey${`there${\"how\"}`}mine`", templateLit([lit("hey"), templateLit([lit("there"), lit("how"), lit("")]), lit("mine")])); assertExpr("func`hey`", taggedTemplate(ident("func"), template(["hey"], ["hey"]))); -- cgit v1.2.3