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Work around the fact that IE does not recognize "\v" in strings.

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This commit is contained in:
David Majda 2010-04-14 21:29:05 +02:00
parent 6abda95a99
commit 7fc491412d
4 changed files with 7 additions and 5 deletions
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2
examples/javascript.pegjs
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@ -230,7 +230,7 @@ SingleEscapeCharacter: ['"\\bfnrtv] {
.replace("n", "\n")
.replace("r", "\r")
.replace("t", "\t")
.replace("v", "\v")
.replace("v", "\x0B") // IE does not recognize "\v".
}
NonEscapeCharacter: (!EscapeCharacter / LineTerminator) SourceCharacter {

2
lib/metagrammar.js
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@ -2394,7 +2394,7 @@ PEG.grammarParser = (function(){
.replace("n", "\n")
.replace("r", "\r")
.replace("t", "\t")
.replace("v", "\v")
.replace("v", "\x0B") // IE does not recognize "\v".
}).apply(this, result234)
: null;

2
lib/metagrammar.pegjs
View file

@ -166,7 +166,7 @@ simpleEscapeSequence: "\\" !(digit / "x" / "u" / eolChar) . {
.replace("n", "\n")
.replace("r", "\r")
.replace("t", "\t")
.replace("v", "\v")
.replace("v", "\x0B") // IE does not recognize "\v".
}
zeroEscapeSequence: "\\0" !digit { return "\0"; }

6
test/metagrammar-test.js
View file

@ -327,7 +327,8 @@ with (PEG.Grammar) {
grammarParserParses('start: "\\n"', literalGrammar("\n"));
grammarParserParses('start: "\\r"', literalGrammar("\r"));
grammarParserParses('start: "\\t"', literalGrammar("\t"));
grammarParserParses('start: "\\v"', literalGrammar("\v"));
/* IE does not recognize "\v". */
grammarParserParses('start: "\\v"', literalGrammar("\x0B"));
grammarParserParses('start: "\\a"', literalGrammar("a"));
});
@ -430,7 +431,8 @@ with (PEG.Grammar) {
/* Canonical whitespace is " ". */
test("parses whitespace", function() {
grammarParserParses('start:\t"abcd"', simpleGrammar);
grammarParserParses('start:\v"abcd"', simpleGrammar);
/* IE does not recognize "\v". */
grammarParserParses('start:\x0B"abcd"', simpleGrammar);
grammarParserParses('start:\f"abcd"', simpleGrammar);
grammarParserParses('start: "abcd"', simpleGrammar);
grammarParserParses('start:\u00A0"abcd"', simpleGrammar);