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IdentifierName > Identifier

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master
Futago-za Ryuu 6 years ago
parent 6bc85de256
commit 26969475f7
2 changed files with 44 additions and 44 deletions
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74
packages/pegjs/lib/parser.js
Unescape Escape View File

@ -287,17 +287,18 @@ function peg$parse(input, options) {
expression: expression, expression: expression,
} ); } );
}; };
var peg$f7 = function(operator, expression) { var peg$f7 = function(name) { return [name, location()]; };
var peg$f8 = function(operator, expression) {
return createNode( OPS_TO_PREFIXED_TYPES[operator], { return createNode( OPS_TO_PREFIXED_TYPES[operator], {
expression: expression, expression: expression,
} ); } );
}; };
var peg$f8 = function(expression, operator) { var peg$f9 = function(expression, operator) {
return createNode( OPS_TO_SUFFIXED_TYPES[operator], { return createNode( OPS_TO_SUFFIXED_TYPES[operator], {
expression: expression, expression: expression,
} ); } );
}; };
var peg$f9 = function(expression) { var peg$f10 = function(expression) {
// The purpose of the "group" AST node is just to isolate label scope. We // The purpose of the "group" AST node is just to isolate label scope. We
// don't need to put it around nodes that can't contain any labels or // don't need to put it around nodes that can't contain any labels or
// nodes that already isolate label scope themselves. This leaves us with // nodes that already isolate label scope themselves. This leaves us with
@ -306,19 +307,18 @@ function peg$parse(input, options) {
? createNode( "group", { expression: expression } ) ? createNode( "group", { expression: expression } )
: expression; : expression;
}; };
var peg$f10 = function(name) { var peg$f11 = function(name) {
return createNode( "rule_ref", { name: name } ); return createNode( "rule_ref", { name: name } );
}; };
var peg$f11 = function(operator, code) { var peg$f12 = function(operator, code) {
return createNode( OPS_TO_SEMANTIC_PREDICATE_TYPES[operator], { code: code } ); return createNode( OPS_TO_SEMANTIC_PREDICATE_TYPES[operator], { code: code } );
}; };
var peg$f12 = function(comment) { var peg$f13 = function(comment) {
return addComment(comment, true); return addComment(comment, true);
}; };
var peg$f13 = function(comment) { var peg$f14 = function(comment) {
return addComment(comment, false); return addComment(comment, false);
}; };
var peg$f14 = function(name) { return [name, location()]; };
var peg$f15 = function(head, tail) { return head + tail.join(""); }; var peg$f15 = function(head, tail) { return head + tail.join(""); };
var peg$f16 = function(sequence) { return sequence; }; var peg$f16 = function(sequence) { return sequence; };
var peg$f17 = function(value, ignoreCase) { var peg$f17 = function(value, ignoreCase) {
@ -624,7 +624,7 @@ function peg$parse(input, options) {
} }
s0 = peg$currPos; s0 = peg$currPos;
s1 = peg$parseIdentifierName(); s1 = peg$parseIdentifier();
if (s1 !== peg$FAILED) { if (s1 !== peg$FAILED) {
s2 = peg$parse__(); s2 = peg$parse__();
s3 = peg$currPos; s3 = peg$currPos;
@ -830,7 +830,7 @@ function peg$parse(input, options) {
} }
s0 = peg$currPos; s0 = peg$currPos;
s1 = peg$parseIdentifier(); s1 = peg$parseIdentifierName();
if (s1 !== peg$FAILED) { if (s1 !== peg$FAILED) {
s2 = peg$parse__(); s2 = peg$parse__();
rule$expects(peg$e2); rule$expects(peg$e2);
@ -865,6 +865,24 @@ function peg$parse(input, options) {
return s0; return s0;
} }
function peg$parseIdentifierName() {
var s0, s1;
var rule$expects = function (expected) {
if (peg$silentFails === 0) peg$expect(expected);
}
s0 = peg$currPos;
s1 = peg$parseIdentifier();
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f7(s1);
}
s0 = s1;
return s0;
}
function peg$parsePrefixedExpression() { function peg$parsePrefixedExpression() {
var s0, s1, s2, s3; var s0, s1, s2, s3;
@ -879,7 +897,7 @@ function peg$parse(input, options) {
s3 = peg$parseSuffixedExpression(); s3 = peg$parseSuffixedExpression();
if (s3 !== peg$FAILED) { if (s3 !== peg$FAILED) {
peg$savedPos = s0; peg$savedPos = s0;
s0 = peg$f7(s1, s3); s0 = peg$f8(s1, s3);
} else { } else {
peg$currPos = s0; peg$currPos = s0;
s0 = peg$FAILED; s0 = peg$FAILED;
@ -945,7 +963,7 @@ function peg$parse(input, options) {
s3 = peg$parseSuffixedOperator(); s3 = peg$parseSuffixedOperator();
if (s3 !== peg$FAILED) { if (s3 !== peg$FAILED) {
peg$savedPos = s0; peg$savedPos = s0;
s0 = peg$f8(s1, s3); s0 = peg$f9(s1, s3);
} else { } else {
peg$currPos = s0; peg$currPos = s0;
s0 = peg$FAILED; s0 = peg$FAILED;
@ -1036,7 +1054,7 @@ function peg$parse(input, options) {
} }
if (s5 !== peg$FAILED) { if (s5 !== peg$FAILED) {
peg$savedPos = s0; peg$savedPos = s0;
s0 = peg$f9(s3); s0 = peg$f10(s3);
} else { } else {
peg$currPos = s0; peg$currPos = s0;
s0 = peg$FAILED; s0 = peg$FAILED;
@ -1066,7 +1084,7 @@ function peg$parse(input, options) {
} }
s0 = peg$currPos; s0 = peg$currPos;
s1 = peg$parseIdentifierName(); s1 = peg$parseIdentifier();
if (s1 !== peg$FAILED) { if (s1 !== peg$FAILED) {
s2 = peg$currPos; s2 = peg$currPos;
peg$begin(); peg$begin();
@ -1108,7 +1126,7 @@ function peg$parse(input, options) {
} }
if (s2 !== peg$FAILED) { if (s2 !== peg$FAILED) {
peg$savedPos = s0; peg$savedPos = s0;
s0 = peg$f10(s1); s0 = peg$f11(s1);
} else { } else {
peg$currPos = s0; peg$currPos = s0;
s0 = peg$FAILED; s0 = peg$FAILED;
@ -1135,7 +1153,7 @@ function peg$parse(input, options) {
s3 = peg$parseCodeBlock(); s3 = peg$parseCodeBlock();
if (s3 !== peg$FAILED) { if (s3 !== peg$FAILED) {
peg$savedPos = s0; peg$savedPos = s0;
s0 = peg$f11(s1, s3); s0 = peg$f12(s1, s3);
} else { } else {
peg$currPos = s0; peg$currPos = s0;
s0 = peg$FAILED; s0 = peg$FAILED;
@ -1431,7 +1449,7 @@ function peg$parse(input, options) {
} }
if (s3 !== peg$FAILED) { if (s3 !== peg$FAILED) {
peg$savedPos = s0; peg$savedPos = s0;
s0 = peg$f12(s2); s0 = peg$f13(s2);
} else { } else {
peg$currPos = s0; peg$currPos = s0;
s0 = peg$FAILED; s0 = peg$FAILED;
@ -1541,7 +1559,7 @@ function peg$parse(input, options) {
} }
if (s3 !== peg$FAILED) { if (s3 !== peg$FAILED) {
peg$savedPos = s0; peg$savedPos = s0;
s0 = peg$f12(s2); s0 = peg$f13(s2);
} else { } else {
peg$currPos = s0; peg$currPos = s0;
s0 = peg$FAILED; s0 = peg$FAILED;
@ -1625,7 +1643,7 @@ function peg$parse(input, options) {
} }
s2 = input.substring(s2, peg$currPos); s2 = input.substring(s2, peg$currPos);
peg$savedPos = s0; peg$savedPos = s0;
s0 = peg$f13(s2); s0 = peg$f14(s2);
} else { } else {
peg$currPos = s0; peg$currPos = s0;
s0 = peg$FAILED; s0 = peg$FAILED;
@ -1635,24 +1653,6 @@ function peg$parse(input, options) {
} }
function peg$parseIdentifier() { function peg$parseIdentifier() {
var s0, s1;
var rule$expects = function (expected) {
if (peg$silentFails === 0) peg$expect(expected);
}
s0 = peg$currPos;
s1 = peg$parseIdentifierName();
if (s1 !== peg$FAILED) {
peg$savedPos = s0;
s1 = peg$f14(s1);
}
s0 = s1;
return s0;
}
function peg$parseIdentifierName() {
var s0, s1, s2, s3; var s0, s1, s2, s3;
var rule$expects = function (expected) { var rule$expects = function (expected) {

14
src/parser.pegjs
Unescape Escape View File

@ -93,7 +93,7 @@ Initializer
} }
Rule Rule
= name:IdentifierName __ = name:Identifier __
displayName:(StringLiteral __)? displayName:(StringLiteral __)?
"=" __ "=" __
expression:Expression EOS expression:Expression EOS
@ -141,7 +141,7 @@ SequenceExpression
} }
LabeledExpression LabeledExpression
= label:Identifier __ ":" __ expression:PrefixedExpression { = label:IdentifierName __ ":" __ expression:PrefixedExpression {
if (RESERVED_WORDS.indexOf(label[0]) >= 0) { if (RESERVED_WORDS.indexOf(label[0]) >= 0) {
error(`Label can't be a reserved word "${label[0]}".`, label[1]); error(`Label can't be a reserved word "${label[0]}".`, label[1]);
} }
@ -153,6 +153,9 @@ LabeledExpression
} }
/ PrefixedExpression / PrefixedExpression
IdentifierName
= name:Identifier { return [name, location()]; }
PrefixedExpression PrefixedExpression
= operator:PrefixedOperator __ expression:SuffixedExpression { = operator:PrefixedOperator __ expression:SuffixedExpression {
return createNode( OPS_TO_PREFIXED_TYPES[operator], { return createNode( OPS_TO_PREFIXED_TYPES[operator], {
@ -196,7 +199,7 @@ PrimaryExpression
} }
RuleReferenceExpression RuleReferenceExpression
= name:IdentifierName !(__ (StringLiteral __)? "=") { = name:Identifier !(__ (StringLiteral __)? "=") {
return createNode( "rule_ref", { name: name } ); return createNode( "rule_ref", { name: name } );
} }
@ -252,10 +255,7 @@ SingleLineComment
return addComment(comment, false); return addComment(comment, false);
} }
Identifier Identifier "identifier"
= name:IdentifierName { return [name, location()]; }
IdentifierName "identifier"
= head:IdentifierStart tail:IdentifierPart* { return head + tail.join(""); } = head:IdentifierStart tail:IdentifierPart* { return head + tail.join(""); }
IdentifierStart IdentifierStart

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