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Inlined checks for NodeFlags.Async in parser

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This commit is contained in:
Ron Buckton
2015-06-17 16:10:17 -07:00
parent b25d855341
commit 82eae194f1
1 changed files with 7 additions and 5 deletions
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12
src/compiler/parser.ts
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@@ -2695,13 +2695,15 @@ namespace ts {
// Didn't appear to actually be a parenthesized arrow function. Just bail out.
return undefined;
}
let isAsync = !!(arrowFunction.flags & NodeFlags.Async);
// If we have an arrow, then try to parse the body. Even if not, try to parse if we
// have an opening brace, just in case we're in an error state.
var lastToken = token;
arrowFunction.equalsGreaterThanToken = parseExpectedToken(SyntaxKind.EqualsGreaterThanToken, /*reportAtCurrentPosition*/false, Diagnostics._0_expected, "=>");
arrowFunction.body = (lastToken === SyntaxKind.EqualsGreaterThanToken || lastToken === SyntaxKind.OpenBraceToken)
? parseArrowFunctionExpressionBody(/*isAsync*/ isAsyncFunctionLike(arrowFunction))
? parseArrowFunctionExpressionBody(isAsync)
: parseIdentifier();
return finishNode(arrowFunction);
@@ -2813,7 +2815,7 @@ namespace ts {
function parseParenthesizedArrowFunctionExpressionHead(allowAmbiguity: boolean): ArrowFunction {
let node = <ArrowFunction>createNode(SyntaxKind.ArrowFunction);
setModifiers(node, parseModifiersForArrowFunction());
let isAsync = isAsyncFunctionLike(node);
let isAsync = !!(node.flags & NodeFlags.Async);
// Arrow functions are never generators.
//
@@ -3493,7 +3495,7 @@ namespace ts {
node.asteriskToken = parseOptionalToken(SyntaxKind.AsteriskToken);
let isGenerator = !!node.asteriskToken;
let isAsync = isAsyncFunctionLike(node);
let isAsync = !!(node.flags & NodeFlags.Async);
node.name =
isGenerator && isAsync ? doInYieldAndAwaitContext(parseOptionalIdentifier) :
isGenerator ? doInYieldContext(parseOptionalIdentifier) :
@@ -4217,7 +4219,7 @@ namespace ts {
node.asteriskToken = parseOptionalToken(SyntaxKind.AsteriskToken);
node.name = node.flags & NodeFlags.Default ? parseOptionalIdentifier() : parseIdentifier();
let isGenerator = !!node.asteriskToken;
let isAsync = isAsyncFunctionLike(node);
let isAsync = !!(node.flags & NodeFlags.Async);
fillSignature(SyntaxKind.ColonToken, /*yieldContext*/ isGenerator, /*awaitContext*/ isAsync, /*requireCompleteParameterList*/ false, node);
node.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, Diagnostics.or_expected);
return finishNode(node);
@@ -4241,7 +4243,7 @@ namespace ts {
method.name = name;
method.questionToken = questionToken;
let isGenerator = !!asteriskToken;
let isAsync = isAsyncFunctionLike(method);
let isAsync = !!(method.flags & NodeFlags.Async);
fillSignature(SyntaxKind.ColonToken, /*yieldContext*/ isGenerator, /*awaitContext*/ isAsync, /*requireCompleteParameterList*/ false, method);
method.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage);
return finishNode(method);