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Fix for #46745 (#46788)

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* Fix for #46745

* If { found in selector, don't partial parse.
Adding sanity checks
This commit is contained in:
Gus Hurovich
2018-03-27 18:32:46 -07:00
committed by Ramya Rao
parent acc4c222a9
commit 95b0cffe72
2 changed files with 53 additions and 9 deletions
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56
extensions/emmet/src/util.ts
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@@ -196,12 +196,62 @@ export function parsePartialStylesheet(document: vscode.TextDocument, position:
} else {
stream.next();
}
} else if (ch === star) {
stream.backUp(1);
if (stream.peek() === slash) {
return;
} else {
stream.next();
}
}
}
// We are at an opening brace. We need to include its selector, but with one nonspace character is enough.
while (!stream.sof() && String.fromCharCode(stream.backUp(1)).match(/\s/)) { }
startPosition = stream.pos;
// We are at an opening brace. We need to include its selector.
// We need one non whitespace character, that's not commented and is not a block { }
currentLine = stream.pos.line;
openBracesRemaining = 0;
while (!stream.sof()) {
// Find a nonspace character
while (!stream.sof() && String.fromCharCode(stream.backUp(1)).match(/\s/)) { }
if (stream.sof()) {
break;
}
let characterFound = stream.peek();
// Check if such character is end of comment.
if (characterFound === slash) {
let ch = stream.backUp(1);
if (ch === star) {
stream.pos = findOpeningCommentBeforePosition(document, stream.pos) || startPosition;
} else {
stream.next();
}
continue;
}
// In not CSS stylesheets, we need to skip singleLine comments.
if (!isCSS && stream.pos.line !== currentLine) {
currentLine = stream.pos.line;
let startLineComment = document.lineAt(currentLine).text.indexOf('//');
if (startLineComment > -1 && startLineComment < stream.pos.character) {
stream.pos = new vscode.Position(currentLine, startLineComment);
continue;
}
}
// Here, we know we are not in a comment
if (characterFound === closeBrace) {
openBracesRemaining++;
} else if (!openBracesRemaining) {
if (characterFound === openBrace) {
return;
} else {
break;
}
} else if (characterFound === openBrace) {
openBracesRemaining--;
}
}
if (!stream.sof()) {
startPosition = stream.pos;
}
try {
return parseStylesheet(new DocumentStreamReader(document, startPosition, new vscode.Range(startPosition, endPosition)));
} catch (e) {