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Scanner updates for decorators

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This commit is contained in:
Ron Buckton
2015-03-17 11:02:23 -07:00
parent efd8a89f69
commit fb10deb49c
1 changed files with 16 additions and 0 deletions
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16
src/compiler/scanner.ts
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@@ -148,6 +148,7 @@ module ts {
"&=": SyntaxKind.AmpersandEqualsToken,
"|=": SyntaxKind.BarEqualsToken,
"^=": SyntaxKind.CaretEqualsToken,
"@": SyntaxKind.AtToken,
};
/*
@@ -315,6 +316,19 @@ module ts {
return computeLineAndCharacterOfPosition(getLineStarts(sourceFile), position);
}
export function lineBreakBetween(sourceFile: SourceFile, firstPos: number, secondPos: number): boolean {
var lineStarts = getLineStarts(sourceFile);
var firstLine = binarySearch(lineStarts, firstPos);
var secondLine = binarySearch(lineStarts, secondPos);
if (firstLine < 0) {
firstLine = ~firstLine - 1;
}
if (secondLine < 0) {
secondLine = ~secondLine - 1;
}
return firstLine !== secondLine;
}
let hasOwnProperty = Object.prototype.hasOwnProperty;
export function isWhiteSpace(ch: number): boolean {
@@ -1247,6 +1261,8 @@ module ts {
return pos++, token = SyntaxKind.CloseBraceToken;
case CharacterCodes.tilde:
return pos++, token = SyntaxKind.TildeToken;
case CharacterCodes.at:
return pos++, token = SyntaxKind.AtToken;
case CharacterCodes.backslash:
let cookedChar = peekUnicodeEscape();
if (cookedChar >= 0 && isIdentifierStart(cookedChar)) {