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Fix "\\{{" immediately following "\{{"

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Escaped-escape mustaches ("\\{{") immediately following escaped
mustaches ("\{{") were being handled incorrectly.

Fix the lookahead to make sure yytext still contains the appropriate
slashes when we pop out of <emu> so they can be handled consistently
by the initial state.
This commit is contained in:
Daniel Marcotte
2013-11-06 08:20:49 -08:00
parent 47d13cb23c
commit 9d353bd3dd
2 changed files with 19 additions and 9 deletions
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spec/tokenizer.js
+16 -6
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@@ -88,15 +88,15 @@ describe('Tokenizer', function() {
it('supports escaping multiple escape characters', function() {
var result = tokenize("{{foo}} \\\\{{bar}} \\\\{{baz}}");
result.should.match_tokens(['OPEN', 'ID', 'CLOSE', 'CONTENT', 'OPEN', 'ID', 'CLOSE', 'CONTENT', 'OPEN', 'ID', 'CLOSE']);
result.should.match_tokens(['OPEN', 'ID', 'CLOSE', 'CONTENT', 'OPEN', 'ID', 'CLOSE', 'CONTENT', 'OPEN', 'ID', 'CLOSE']);
result[3].should.be_token("CONTENT", " \\");
result[5].should.be_token("ID", "bar");
result[7].should.be_token("CONTENT", " \\");
result[9].should.be_token("ID", "baz");
result[3].should.be_token("CONTENT", " \\");
result[5].should.be_token("ID", "bar");
result[7].should.be_token("CONTENT", " \\");
result[9].should.be_token("ID", "baz");
});
it('supports mixed escaped delimiters and escaped escape characters', function() {
it('supports escaped mustaches after escaped escape characters', function() {
var result = tokenize("{{foo}} \\\\{{bar}} \\{{baz}}");
result.should.match_tokens(['OPEN', 'ID', 'CLOSE', 'CONTENT', 'OPEN', 'ID', 'CLOSE', 'CONTENT', 'CONTENT', 'CONTENT']);
@@ -107,6 +107,16 @@ describe('Tokenizer', function() {
result[8].should.be_token("CONTENT", "{{baz}}");
});
it('supports escaped escape characters after escaped mustaches', function() {
var result = tokenize("{{foo}} \\{{bar}} \\\\{{baz}}");
result.should.match_tokens(['OPEN', 'ID', 'CLOSE', 'CONTENT', 'CONTENT', 'CONTENT', 'OPEN', 'ID', 'CLOSE']);
result[4].should.be_token("CONTENT", "{{bar}} ");
result[5].should.be_token("CONTENT", "\\");
result[6].should.be_token("OPEN", "{{");
result[7].should.be_token("ID", "baz");
});
it('supports escaped escape character on a triple stash', function() {
var result = tokenize("{{foo}} \\\\{{{bar}}} {{baz}}");
result.should.match_tokens(['OPEN', 'ID', 'CLOSE', 'CONTENT', 'OPEN_UNESCAPED', 'ID', 'CLOSE_UNESCAPED', 'CONTENT', 'OPEN', 'ID', 'CLOSE']);