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@ -236,7 +236,7 @@ describe("PEG.js grammar parser", function() {
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});
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});
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/* Canonical Grammar is "a = \"abcd\"; b = \"efgh\"; c = \"ijkl\";". */
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// Canonical Grammar is "a = \"abcd\"; b = \"efgh\"; c = \"ijkl\";".
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it("parses Grammar", function() {
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expect('\na = "abcd";\n').toParseAs(
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{ type: "grammar", initializer: null, rules: [ruleA] }
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@ -249,14 +249,14 @@ describe("PEG.js grammar parser", function() {
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);
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});
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/* Canonical Initializer is "{ code }". */
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// Canonical Initializer is "{ code }".
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it("parses Initializer", function() {
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expect('{ code };start = "abcd"').toParseAs(
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{ type: "grammar", initializer: initializer, rules: [ruleStart] }
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);
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});
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/* Canonical Rule is "a = \"abcd\";". */
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// Canonical Rule is "a = \"abcd\";".
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it("parses Rule", function() {
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expect('start\n=\n"abcd";').toParseAs(
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oneRuleGrammar(literalAbcd)
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@ -266,14 +266,14 @@ describe("PEG.js grammar parser", function() {
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);
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});
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/* Canonical Expression is "\"abcd\"". */
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// Canonical Expression is "\"abcd\"".
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it("parses Expression", function() {
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expect('start = "abcd" / "efgh" / "ijkl"').toParseAs(
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oneRuleGrammar(choice)
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);
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});
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/* Canonical ChoiceExpression is "\"abcd\" / \"efgh\" / \"ijkl\"". */
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// Canonical ChoiceExpression is "\"abcd\" / \"efgh\" / \"ijkl\"".
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it("parses ChoiceExpression", function() {
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expect('start = "abcd" { code }').toParseAs(
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oneRuleGrammar(actionAbcd)
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@ -288,7 +288,7 @@ describe("PEG.js grammar parser", function() {
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);
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});
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/* Canonical ActionExpression is "\"abcd\" { code }". */
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// Canonical ActionExpression is "\"abcd\" { code }".
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it("parses ActionExpression", function() {
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expect('start = "abcd" "efgh" "ijkl"').toParseAs(
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oneRuleGrammar(sequence)
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@ -298,7 +298,7 @@ describe("PEG.js grammar parser", function() {
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);
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});
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/* Canonical SequenceExpression is "\"abcd\" \"efgh\" \"ijkl\"". */
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// Canonical SequenceExpression is "\"abcd\" \"efgh\" \"ijkl\"".
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it("parses SequenceExpression", function() {
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expect('start = a:"abcd"').toParseAs(
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oneRuleGrammar(labeledAbcd)
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@ -311,39 +311,39 @@ describe("PEG.js grammar parser", function() {
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);
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});
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/* Canonical LabeledExpression is "a:\"abcd\"". */
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// Canonical LabeledExpression is "a:\"abcd\"".
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it("parses LabeledExpression", function() {
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expect('start = a\n:\n!"abcd"').toParseAs(oneRuleGrammar(labeledSimpleNot));
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expect('start = !"abcd"' ).toParseAs(oneRuleGrammar(simpleNotAbcd));
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});
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/* Canonical PrefixedExpression is "!\"abcd\"". */
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// Canonical PrefixedExpression is "!\"abcd\"".
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it("parses PrefixedExpression", function() {
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expect('start = !\n"abcd"?' ).toParseAs(oneRuleGrammar(simpleNotOptional));
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expect('start = "abcd"?' ).toParseAs(oneRuleGrammar(optional));
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});
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/* Canonical PrefixedOperator is "!". */
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// Canonical PrefixedOperator is "!".
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it("parses PrefixedOperator", function() {
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expect('start = $"abcd"?').toParseAs(oneRuleGrammar(textOptional));
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expect('start = &"abcd"?').toParseAs(oneRuleGrammar(simpleAndOptional));
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expect('start = !"abcd"?').toParseAs(oneRuleGrammar(simpleNotOptional));
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});
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/* Canonical SuffixedExpression is "\"ebcd\"?". */
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// Canonical SuffixedExpression is "\"ebcd\"?".
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it("parses SuffixedExpression", function() {
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expect('start = "abcd"\n?').toParseAs(oneRuleGrammar(optional));
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expect('start = "abcd"' ).toParseAs(oneRuleGrammar(literalAbcd));
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});
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/* Canonical SuffixedOperator is "?". */
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// Canonical SuffixedOperator is "?".
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it("parses SuffixedOperator", function() {
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expect('start = "abcd"?').toParseAs(oneRuleGrammar(optional));
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expect('start = "abcd"*').toParseAs(oneRuleGrammar(zeroOrMore));
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expect('start = "abcd"+').toParseAs(oneRuleGrammar(oneOrMore));
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});
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/* Canonical PrimaryExpression is "\"abcd\"". */
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// Canonical PrimaryExpression is "\"abcd\"".
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it("parses PrimaryExpression", function() {
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expect('start = "abcd"' ).toParseAs(trivialGrammar);
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expect('start = [a-d]' ).toParseAs(classGrammar([["a", "d"]], false, false));
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@ -356,7 +356,7 @@ describe("PEG.js grammar parser", function() {
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expect('start = (\n"abcd"\n)' ).toParseAs(trivialGrammar);
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});
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/* Canonical RuleReferenceExpression is "a". */
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// Canonical RuleReferenceExpression is "a".
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it("parses RuleReferenceExpression", function() {
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expect('start = a').toParseAs(ruleRefGrammar("a"));
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@ -364,20 +364,20 @@ describe("PEG.js grammar parser", function() {
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expect('start = a\n"abcd"\n=').toFailToParse();
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});
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/* Canonical SemanticPredicateExpression is "!{ code }". */
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// Canonical SemanticPredicateExpression is "!{ code }".
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it("parses SemanticPredicateExpression", function() {
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expect('start = !\n{ code }').toParseAs(oneRuleGrammar(semanticNot));
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});
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/* Canonical SemanticPredicateOperator is "!". */
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// Canonical SemanticPredicateOperator is "!".
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it("parses SemanticPredicateOperator", function() {
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expect('start = &{ code }').toParseAs(oneRuleGrammar(semanticAnd));
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expect('start = !{ code }').toParseAs(oneRuleGrammar(semanticNot));
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});
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/* The SourceCharacter rule is not tested. */
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// The SourceCharacter rule is not tested.
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/* Canonical WhiteSpace is " ". */
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// Canonical WhiteSpace is " ".
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it("parses WhiteSpace", function() {
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expect('start =\t"abcd"' ).toParseAs(trivialGrammar);
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expect('start =\v"abcd"' ).toParseAs(trivialGrammar);
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@ -388,7 +388,7 @@ describe("PEG.js grammar parser", function() {
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expect('start =\u1680"abcd"').toParseAs(trivialGrammar);
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});
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/* Canonical LineTerminator is "\n". */
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// Canonical LineTerminator is "\n".
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it("parses LineTerminator", function() {
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expect('start = "\n"' ).toFailToParse();
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expect('start = "\r"' ).toFailToParse();
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@ -396,7 +396,7 @@ describe("PEG.js grammar parser", function() {
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expect('start = "\u2029"').toFailToParse();
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});
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/* Canonical LineTerminatorSequence is "\r\n". */
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// Canonical LineTerminatorSequence is "\r\n".
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it("parses LineTerminatorSequence", function() {
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expect('start =\n"abcd"' ).toParseAs(trivialGrammar);
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expect('start =\r\n"abcd"' ).toParseAs(trivialGrammar);
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@ -430,7 +430,7 @@ describe("PEG.js grammar parser", function() {
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expect('a = "abcd"/*\n*/\r\nb = "efgh"').toFailToParse();
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});
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/* Canonical SingleLineComment is "// comment". */
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// Canonical SingleLineComment is "// comment".
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it("parses SingleLineComment", function() {
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expect('start =//\n"abcd"' ).toParseAs(trivialGrammar);
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expect('start =//a\n"abcd"' ).toParseAs(trivialGrammar);
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@ -439,19 +439,19 @@ describe("PEG.js grammar parser", function() {
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expect('start =//\n@\n"abcd"').toFailToParse();
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});
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/* Canonical Identifier is "a". */
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// Canonical Identifier is "a".
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it("parses Identifier", function() {
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expect('start = a:"abcd"').toParseAs(oneRuleGrammar(labeledAbcd));
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});
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/* Canonical IdentifierName is "a". */
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// Canonical IdentifierName is "a".
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it("parses IdentifierName", function() {
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expect('start = a' ).toParseAs(ruleRefGrammar("a"));
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expect('start = ab' ).toParseAs(ruleRefGrammar("ab"));
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expect('start = abcd').toParseAs(ruleRefGrammar("abcd"));
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});
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/* Canonical IdentifierStart is "a". */
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// Canonical IdentifierStart is "a".
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it("parses IdentifierStart", function() {
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expect('start = a' ).toParseAs(ruleRefGrammar("a"));
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expect('start = $' ).toParseAs(ruleRefGrammar("$"));
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@ -459,7 +459,7 @@ describe("PEG.js grammar parser", function() {
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expect('start = \\u0061').toParseAs(ruleRefGrammar("a"));
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});
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/* Canonical IdentifierPart is "a". */
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// Canonical IdentifierPart is "a".
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it("parses IdentifierPart", function() {
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expect('start = aa' ).toParseAs(ruleRefGrammar("aa"));
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expect('start = a\u0300').toParseAs(ruleRefGrammar("a\u0300"));
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@ -469,15 +469,15 @@ describe("PEG.js grammar parser", function() {
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expect('start = a\u200D').toParseAs(ruleRefGrammar("a\u200D"));
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});
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/* Unicode rules and reserved word rules are not tested. */
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// Unicode rules and reserved word rules are not tested.
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/* Canonical LiteralMatcher is "\"abcd\"". */
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// Canonical LiteralMatcher is "\"abcd\"".
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it("parses LiteralMatcher", function() {
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expect('start = "abcd"' ).toParseAs(literalGrammar("abcd", false));
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expect('start = "abcd"i').toParseAs(literalGrammar("abcd", true));
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});
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/* Canonical StringLiteral is "\"abcd\"". */
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// Canonical StringLiteral is "\"abcd\"".
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it("parses StringLiteral", function() {
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expect('start = ""' ).toParseAs(literalGrammar("", false));
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expect('start = "a"' ).toParseAs(literalGrammar("a", false));
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@ -488,7 +488,7 @@ describe("PEG.js grammar parser", function() {
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expect("start = 'abc'").toParseAs(literalGrammar("abc", false));
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});
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/* Canonical DoubleStringCharacter is "a". */
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// Canonical DoubleStringCharacter is "a".
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it("parses DoubleStringCharacter", function() {
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expect('start = "a"' ).toParseAs(literalGrammar("a", false));
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expect('start = "\\n"' ).toParseAs(literalGrammar("\n", false));
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@ -499,7 +499,7 @@ describe("PEG.js grammar parser", function() {
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expect('start = "\n"').toFailToParse();
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});
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/* Canonical SingleStringCharacter is "a". */
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// Canonical SingleStringCharacter is "a".
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it("parses SingleStringCharacter", function() {
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expect("start = 'a'" ).toParseAs(literalGrammar("a", false));
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expect("start = '\\n'" ).toParseAs(literalGrammar("\n", false));
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@ -510,7 +510,7 @@ describe("PEG.js grammar parser", function() {
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expect("start = '\n'").toFailToParse();
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});
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/* Canonical CharacterClassMatcher is "[a-d]". */
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// Canonical CharacterClassMatcher is "[a-d]".
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it("parses CharacterClassMatcher", function() {
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expect('start = []').toParseAs(
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classGrammar([], false, false)
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@ -540,7 +540,7 @@ describe("PEG.js grammar parser", function() {
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);
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});
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/* Canonical ClassCharacterRange is "a-d". */
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// Canonical ClassCharacterRange is "a-d".
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it("parses ClassCharacterRange", function() {
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expect('start = [a-d]').toParseAs(classGrammar([["a", "d"]], false, false));
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@ -550,7 +550,7 @@ describe("PEG.js grammar parser", function() {
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});
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});
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/* Canonical ClassCharacter is "a". */
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// Canonical ClassCharacter is "a".
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it("parses ClassCharacter", function() {
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expect('start = [a]' ).toParseAs(classGrammar(["a"], false, false));
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expect('start = [\\n]' ).toParseAs(classGrammar(["\n"], false, false));
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@ -561,12 +561,12 @@ describe("PEG.js grammar parser", function() {
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expect('start = [\n]').toFailToParse();
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});
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/* Canonical LineContinuation is "\\\n". */
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// Canonical LineContinuation is "\\\n".
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it("parses LineContinuation", function() {
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expect('start = "\\\r\n"').toParseAs(literalGrammar("", false));
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});
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/* Canonical EscapeSequence is "n". */
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// Canonical EscapeSequence is "n".
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it("parses EscapeSequence", function() {
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expect('start = "\\n"' ).toParseAs(literalGrammar("\n", false));
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expect('start = "\\0"' ).toParseAs(literalGrammar("\x00", false));
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@ -576,13 +576,13 @@ describe("PEG.js grammar parser", function() {
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expect('start = "\\09"').toFailToParse();
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});
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/* Canonical CharacterEscapeSequence is "n". */
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// Canonical CharacterEscapeSequence is "n".
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it("parses CharacterEscapeSequence", function() {
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expect('start = "\\n"').toParseAs(literalGrammar("\n", false));
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expect('start = "\\a"').toParseAs(literalGrammar("a", false));
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});
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/* Canonical SingleEscapeCharacter is "n". */
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// Canonical SingleEscapeCharacter is "n".
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it("parses SingleEscapeCharacter", function() {
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expect('start = "\\\'"').toParseAs(literalGrammar("'", false));
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expect('start = "\\""' ).toParseAs(literalGrammar('"', false));
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@ -595,44 +595,40 @@ describe("PEG.js grammar parser", function() {
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expect('start = "\\v"' ).toParseAs(literalGrammar("\v", false));
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});
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/* Canonical NonEscapeCharacter is "a". */
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// Canonical NonEscapeCharacter is "a".
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it("parses NonEscapeCharacter", function() {
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expect('start = "\\a"').toParseAs(literalGrammar("a", false));
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/*
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* The negative predicate is impossible to test with PEG.js grammar
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* structure.
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*/
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// The negative predicate is impossible to test with PEG.js grammar
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// structure.
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});
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/*
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* The EscapeCharacter rule is impossible to test with PEG.js grammar
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* structure.
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*/
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// The EscapeCharacter rule is impossible to test with PEG.js grammar
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// structure.
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/* Canonical HexEscapeSequence is "xFF". */
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// Canonical HexEscapeSequence is "xFF".
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it("parses HexEscapeSequence", function() {
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expect('start = "\\xFF"').toParseAs(literalGrammar("\xFF", false));
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});
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/* Canonical UnicodeEscapeSequence is "uFFFF". */
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// Canonical UnicodeEscapeSequence is "uFFFF".
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it("parses UnicodeEscapeSequence", function() {
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expect('start = "\\uFFFF"').toParseAs(literalGrammar("\uFFFF", false));
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});
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/* Digit rules are not tested. */
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// Digit rules are not tested.
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/* Canonical AnyMatcher is ".". */
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// Canonical AnyMatcher is ".".
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it("parses AnyMatcher", function() {
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expect('start = .').toParseAs(anyGrammar());
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});
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/* Canonical CodeBlock is "{ code }". */
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// Canonical CodeBlock is "{ code }".
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it("parses CodeBlock", function() {
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expect('start = "abcd" { code }').toParseAs(actionGrammar(" code "));
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});
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/* Canonical Code is " code ". */
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// Canonical Code is " code ".
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it("parses Code", function() {
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expect('start = "abcd" {a}' ).toParseAs(actionGrammar("a"));
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expect('start = "abcd" {abc}' ).toParseAs(actionGrammar("abc"));
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@ -643,9 +639,9 @@ describe("PEG.js grammar parser", function() {
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expect('start = "abcd" {}}').toFailToParse();
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});
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/* Unicode character category rules and token rules are not tested. */
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// Unicode character category rules and token rules are not tested.
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/* Canonical __ is "\n". */
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// Canonical __ is "\n".
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it("parses __", function() {
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expect('start ="abcd"' ).toParseAs(trivialGrammar);
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expect('start = "abcd"' ).toParseAs(trivialGrammar);
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@ -654,7 +650,7 @@ describe("PEG.js grammar parser", function() {
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expect('start = "abcd"' ).toParseAs(trivialGrammar);
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});
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/* Canonical _ is " ". */
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// Canonical _ is " ".
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it("parses _", function() {
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expect('a = "abcd"\r\nb = "efgh"' ).toParseAs(twoRuleGrammar);
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expect('a = "abcd" \r\nb = "efgh"' ).toParseAs(twoRuleGrammar);
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@ -662,7 +658,7 @@ describe("PEG.js grammar parser", function() {
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expect('a = "abcd" \r\nb = "efgh"' ).toParseAs(twoRuleGrammar);
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});
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/* Canonical EOS is ";". */
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// Canonical EOS is ";".
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it("parses EOS", function() {
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expect('a = "abcd"\n;b = "efgh"' ).toParseAs(twoRuleGrammar);
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expect('a = "abcd" \r\nb = "efgh"' ).toParseAs(twoRuleGrammar);
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@ -670,7 +666,7 @@ describe("PEG.js grammar parser", function() {
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expect('a = "abcd"\nb = "efgh"' ).toParseAs(twoRuleGrammar);
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});
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/* Canonical EOF is the end of input. */
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// Canonical EOF is the end of input.
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it("parses EOF", function() {
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expect('start = "abcd"\n').toParseAs(trivialGrammar);
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});
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David Majda
8 years ago