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-rw-r--r--devtools/shared/css/lexer.js21
-rw-r--r--devtools/shared/tests/unit/test_csslexer.js3
2 files changed, 22 insertions, 2 deletions
diff --git a/devtools/shared/css/lexer.js b/devtools/shared/css/lexer.js
index 9013b63ea..192fa95b3 100644
--- a/devtools/shared/css/lexer.js
+++ b/devtools/shared/css/lexer.js
@@ -1067,6 +1067,7 @@ Scanner.prototype = {
// aToken.mIdent may be "url" at this point; clear that out
aToken.mIdent.length = 0;
+ let hasString = false;
let ch = this.Peek();
// Do we have a string?
if (ch == QUOTATION_MARK || ch == APOSTROPHE) {
@@ -1075,6 +1076,7 @@ Scanner.prototype = {
aToken.mType = eCSSToken_Bad_URL;
return;
}
+ hasString = true;
} else {
// Otherwise, this is the start of a non-quoted url (which may be empty).
aToken.mSymbol = 0;
@@ -1093,6 +1095,25 @@ Scanner.prototype = {
}
} else {
aToken.mType = eCSSToken_Bad_URL;
+ if (!hasString) {
+ // Consume until before the next right parenthesis, which follows
+ // how <bad-url-token> is consumed in CSS Syntax 3 spec.
+ // Note that, we only do this when "url(" is not followed by a
+ // string, because in the spec, "url(" followed by a string is
+ // handled as a url function rather than a <url-token>, so the
+ // rest of content before ")" should be consumed in balance,
+ // which will be done by the parser.
+ // The closing ")" is not consumed here. It is left to the parser
+ // so that the parser can handle both cases.
+ do {
+ if (IsVertSpace(ch)) {
+ this.AdvanceLine();
+ } else {
+ this.Advance();
+ }
+ ch = this.Peek();
+ } while (ch >= 0 && ch != RIGHT_PARENTHESIS);
+ }
}
},
diff --git a/devtools/shared/tests/unit/test_csslexer.js b/devtools/shared/tests/unit/test_csslexer.js
index 35855640b..b2dfdf5aa 100644
--- a/devtools/shared/tests/unit/test_csslexer.js
+++ b/devtools/shared/tests/unit/test_csslexer.js
@@ -128,8 +128,7 @@ var LEX_TESTS = [
["url:http://example.com"]],
// In CSS Level 3, this is an ordinary URL, not a BAD_URL.
["url(http://example.com", ["url:http://example.com"]],
- // See bug 1153981 to understand why this gets a SYMBOL token.
- ["url(http://example.com @", ["bad_url:http://example.com", "symbol:@"]],
+ ["url(http://example.com @", ["bad_url:http://example.com"]],
["quo\\ting", ["ident:quoting"]],
["'bad string\n", ["bad_string:bad string", "whitespace"]],
["~=", ["includes"]],