Move parser error to grammar check phase.

Conflicts:
	src/services/syntax/SyntaxGenerator.js.map

src/services/syntax/SyntaxGenerator.js

@@ -1558,7 +1558,7 @@ var definitions = [
         interfaces: ['IStatementSyntax'],
         children: [
             { name: 'throwKeyword', isToken: true, excludeFromAST: true },
-            { name: 'expression', type: 'IExpressionSyntax' },
+            { name: 'expression', type: 'IExpressionSyntax', isOptional: true },
             { name: 'semicolonToken', isToken: true, isOptional: true, excludeFromAST: true }
         ]
     },

src/services/syntax/SyntaxGenerator.js.map

@@ -6,6 +6,7 @@
 <<<<<<< HEAD
 <<<<<<< HEAD
 <<<<<<< HEAD
+<<<<<<< HEAD
 <<<<<<< Updated upstream
 {"version":3,"file":"SyntaxGenerator.js","sourceRoot":"","sources":["file:///C:/VSPro_1/src/typescript/public_cyrusn/src/compiler/sys.ts","file:///C:/VSPro_1/src/typescript/public_cyrusn/src/services/core/errors.ts","file:///C:/VSPro_1/src/typescript/public_cyrusn/src/services/core/arrayUtilities.ts","file:///C:/VSPro_1/src/typescript/public_cyrusn/src/services/core/stringUtilities.ts","file:///C:/VSPro_1/src/typescript/public_cyrusn/src/services/syntax/syntaxKind.ts","file:///C:/VSPro_1/src/typescript/public_cyrusn/src/services/syntax/syntaxFacts.ts","file:///C:/VSPro_1/src/typescript/public_cyrusn/src/services/syntax/SyntaxGenerator.ts"],"names":["getWScriptSystem","getWScriptSystem.readFile","getWScriptSystem.writeFile","getNodeSystem","getNodeSystem.readFile","getNodeSystem.writeFile","getNodeSystem.fileChanged","TypeScript","TypeScript.Errors","TypeScript.Errors.constructor","TypeScript.Errors.argument","TypeScript.Errors.argumentOutOfRange","TypeScript.Errors.argumentNull","TypeScript.Errors.abstract","TypeScript.Errors.notYetImplemented","TypeScript.Errors.invalidOperation","TypeScript.ArrayUtilities","TypeScript.ArrayUtilities.constructor","TypeScript.ArrayUtilities.sequenceEquals","TypeScript.ArrayUtilities.contains","TypeScript.ArrayUtilities.distinct","TypeScript.ArrayUtilities.last","TypeScript.ArrayUtilities.lastOrDefault","TypeScript.ArrayUtilities.firstOrDefault","TypeScript.ArrayUtilities.first","TypeScript.ArrayUtilities.sum","TypeScript.ArrayUtilities.select","TypeScript.ArrayUtilities.where","TypeScript.ArrayUtilities.any","TypeScript.ArrayUtilities.all","TypeScript.ArrayUtilities.binarySearch","TypeScript.ArrayUtilities.createArray","TypeScript.ArrayUtilities.grow","TypeScript.ArrayUtilities.copy","TypeScript.ArrayUtilities.indexOf","TypeScript.StringUtilities","TypeScript.StringUtilities.constructor","TypeScript.StringUtilities.isString","TypeScript.StringUtilities.endsWith","TypeScript.StringUtilities.startsWith","TypeScript.StringUtilities.repeat","TypeScript.SyntaxKind","TypeScript.SyntaxFacts","TypeScript.SyntaxFacts.getTokenKind","TypeScript.SyntaxFacts.getText","TypeScript.SyntaxFacts.isAnyKeyword","TypeScript.SyntaxFacts.isAnyPunctuation","TypeScript.SyntaxFacts.isPrefixUnaryExpressionOperatorToken","TypeScript.SyntaxFacts.isBinaryExpressionOperatorToken","TypeScript.SyntaxFacts.isAssignmentOperatorToken","TypeScript.SyntaxFacts.isType","firstKind","getStringWithoutSuffix","getNameWithoutSuffix","getType","camelCase","getSafeName","generateConstructorFunction","generateSyntaxInterfaces","generateSyntaxInterface","generateNodes","isInterface","generateWalker","firstEnumName","groupBy","generateKeywordCondition","min","max","generateUtilities","generateScannerUtilities","syntaxKindName","generateVisitor"],"mappings":"AA4BA,IAAI,GAAG,GAAW,CAAC;IAEf,SAAS,gBAAgB;QAErBA,IAAIA,GAAGA,GAAGA,IAAIA,aAAaA,CAACA,4BAA4BA,CAACA,CAACA;QAE1DA,IAAIA,UAAUA,GAAGA,IAAIA,aAAaA,CAACA,cAAcA,CAACA,CAACA;QACnDA,UAAUA,CAACA,IAAIA,GAAGA,CAACA,CAAUA;QAE7BA,IAAIA,YAAYA,GAAGA,IAAIA,aAAaA,CAACA,cAAcA,CAACA,CAACA;QACrDA,YAAYA,CAACA,IAAIA,GAAGA,CAACA,CAAYA;QAEjCA,IAAIA,IAAIA,GAAaA,EAAEA,CAACA;QACxBA,GAAGA,CAACA,CAACA,GAAGA,CAACA,CAACA,GAAGA,CAACA,EAAEA,CAACA,GAAGA,OAAOA,CAACA,SAASA,CAACA,MAAMA,EAAEA,CAACA,EAAEA,EAAEA,CAACA;YAChDA,IAAIA,CAACA,CAACA,CAACA,GAAGA,OAAOA,CAACA,SAASA,CAACA,IAAIA,CAACA,CAACA,CAACA,CAACA;QACxCA,CAACA;QAEDA,SAASA,QAAQA,CAACA,QAAgBA,EAAEA,QAAiBA;YACjDC,EAAEA,CAACA,CAACA,CAACA,GAAGA,CAACA,UAAUA,CAACA,QAAQA,CAACA,CAACA,CAACA,CAACA;gBAC5BA,MAAMA,CAACA,SAASA,CAACA;YACrBA,CAACA;YACDA,UAAUA,CAACA,IAAIA,EAAEA,CAACA;YAClBA,IAAAA,CAACA;gBACGA,EAAEA,CAACA,CAACA,QAAQA,CAACA,CAACA,CAACA;oBACXA,UAAUA,CAACA,OAAOA,GAAGA,QAAQA,CAACA;oBAC9BA,UAAUA,CAACA,YAAYA,CAACA,QAAQA,CAACA,CAACA;gBACtCA,CAACA;gBACDA,IAAIA,CAACA,CAACA;oBAEFA,UAAUA,CAACA,OAAOA,GAAGA,QAAQA,CAACA;oBAC9BA,UAAUA,CAACA,YAAYA,CAACA,QAAQA,CAACA,CAACA;oBAClCA,IAAIA,GAAGA,GAAGA,UAAUA,CAACA,QAAQA,CAACA,CAACA,CAACA,IAAIA,EAAEA,CAACA;oBAEvCA,UAAUA,CAACA,QAAQA,GAAGA,CAACA,CAACA;oBAExBA,UAAUA,CAACA,OAAOA,GAAGA,GAAGA,CAACA,MAAMA,IAAIA,CAACA,IAAIA,CAACA,GAAGA,CAACA,UAAUA,CAACA,CAACA,CAACA,KAAKA,IAAIA,IAAIA,GAAGA,CAACA,UAAUA,CAACA,CAACA,CAACA,KAAKA,IAAIA,IAAIA,GAAGA,CAACA,UAAUA,CAACA,CAACA,CAACA,KAAKA,IAAIA,IAAIA,GAAGA,CAACA,UAAUA,CAACA,CAACA,CAACA,KAAKA,IAAIA,CAACA,GAAGA,SAASA,GAAGA,OAAOA,CAACA;gBACzLA,CAACA;gBAEDA,MAAMA,CAACA,UAAUA,CAACA,QAAQA,EAAEA,CAACA;YACjCA,CACAA;YAAAA,KAAKA,CAACA,CAACA,CAACA,CAACA,CAATA,CAACA;gBACGA,MAAMA,CAACA,CAACA;YACZA,CAACA;oBACDA,CAACA;gBACGA,UAAUA,CAACA,KAAKA,EAAEA,CAACA;YACvBA,CAACA;QACLA,CAACA;QAEDD,SAASA,SAASA,CAACA,QAAgBA,EAAEA,IAAYA,EAAEA,kBAA4BA;YAC3EE,UAAUA,CAACA,IAAIA,EAAEA,CAACA;YAClBA,YAAYA,CAACA,IAAIA,EAAEA,CAACA;YACpBA,IAAAA,CAACA;gBAEGA,UAAUA,CAACA,OAAOA,GAAGA,OAAOA,CAACA;gBAC7BA,UAAUA,CAACA,SAASA,CAACA,IAAIA,CAACA,CAACA;gBAG3BA,EAAEA,CAACA,CAACA,kBAAkBA,CAACA,CAACA,CAACA;oBACrBA,UAAUA,CAACA,QAAQA,GAAGA,CAACA,CAACA;gBAC5BA,CAACA;gBACDA,IAAIA,CAACA,CAACA;oBACFA,UAAUA,CAACA,QAAQA,GAAGA,CAACA,CAACA;gBAC5BA,CAACA;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truncated
 =======
@@ -35,3 +36,6 @@
 =======
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Line truncated
 >>>>>>> 99981aa... Add support for parsing yield expressions.
+=======
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Line truncated
+>>>>>>> 8097afa... Move parser error to grammar check phase.

src/services/syntax/parser.ts

@@ -2098,33 +2098,33 @@ module TypeScript.Parser {
                 parseSyntaxList<IStatementSyntax>(ListParsingState.SwitchClause_Statements));
         }
 
-        function parseThrowStatementExpression(): IExpressionSyntax {
+        function parseThrowStatement(throwKeyword: ISyntaxToken): ThrowStatementSyntax {
+            return new ThrowStatementSyntax(parseNodeData,
+                consumeToken(throwKeyword), tryParseThrowStatementExpression(), eatExplicitOrAutomaticSemicolon(/*allowWithoutNewline:*/ false));
+        }
+
+        function tryParseThrowStatementExpression(): IExpressionSyntax {
             // ThrowStatement[Yield] :
             //      throw [no LineTerminator here]Expression[In, ?Yield];
 
             // Because of automatic semicolon insertion, we need to report error if this 
             // throw could be terminated with a semicolon.  Note: we can't call 'parseExpression'
             // directly as that might consume an expression on the following line.  
-            return canEatExplicitOrAutomaticSemicolon(/*allowWithoutNewline:*/ false)
-                ? createMissingToken(SyntaxKind.IdentifierName, undefined)
-                : allowInAnd(parseExpression);
+            // We just return 'undefined' in that case.  The actual error will be reported in the
+            // grammar walker.
+            return canEatExplicitOrAutomaticSemicolon(/*allowWithoutNewline:*/ false) ? undefined : allowInAnd(parseExpression);
         }
 
-        function parseThrowStatement(throwKeyword: ISyntaxToken): ThrowStatementSyntax {
-            return new ThrowStatementSyntax(parseNodeData,
-                consumeToken(throwKeyword), parseThrowStatementExpression(), eatExplicitOrAutomaticSemicolon(/*allowWithoutNewline:*/ false));
+        function parseReturnStatement(returnKeyword: ISyntaxToken): ReturnStatementSyntax {
+            return new ReturnStatementSyntax(parseNodeData,
+                consumeToken(returnKeyword), tryParseReturnStatementExpression(), eatExplicitOrAutomaticSemicolon(/*allowWithoutNewline:*/ false));
         }
 
         function tryParseReturnStatementExpression(): IExpressionSyntax {
             // ReturnStatement[Yield] :
             //      return [no LineTerminator here]Expression[In, ?Yield];
 
-            return !canEatExplicitOrAutomaticSemicolon(/*allowWithoutNewline:*/ false) ? allowInAnd(parseExpression) : undefined;
-        }
-
-        function parseReturnStatement(returnKeyword: ISyntaxToken): ReturnStatementSyntax {
-            return new ReturnStatementSyntax(parseNodeData,
-                consumeToken(returnKeyword), tryParseReturnStatementExpression(), eatExplicitOrAutomaticSemicolon(/*allowWithoutNewline:*/ false));
+            return canEatExplicitOrAutomaticSemicolon(/*allowWithoutNewline:*/ false) ? undefined : allowInAnd(parseExpression);
         }
 
         function isExpressionStatement(currentToken: ISyntaxToken): boolean {

src/services/syntax/syntaxGenerator.ts

@@ -705,7 +705,7 @@ var definitions:ITypeDefinition[] = [
         interfaces: ['IStatementSyntax'],
         children: [
             <any>{ name: 'throwKeyword', isToken: true, excludeFromAST: true },
-            <any>{ name: 'expression', type: 'IExpressionSyntax' },
+            <any>{ name: 'expression', type: 'IExpressionSyntax', isOptional: true },
             <any>{ name: 'semicolonToken', isToken: true, isOptional: true, excludeFromAST: true }
         ]
     },

src/services/syntax/syntaxNodes.concrete.generated.ts

@@ -893,7 +893,7 @@ module TypeScript {
         this.expression = expression,
         this.semicolonToken = semicolonToken,
         throwKeyword.parent = this,
-        expression.parent = this,
+        expression && (expression.parent = this),
         semicolonToken && (semicolonToken.parent = this);
     };
     ThrowStatementSyntax.prototype.kind = SyntaxKind.ThrowStatement;

src/services/syntax/syntaxTree.ts

@@ -1264,13 +1264,24 @@ module TypeScript {
         }
 
         public visitThrowStatement(node: ThrowStatementSyntax): void {
-            if (this.checkForStatementInAmbientContxt(node)) {
+            if (this.checkForStatementInAmbientContxt(node) ||
+                this.checkForMissingThrowStatementExpression(node)) {
                 return;
             }
 
             super.visitThrowStatement(node);
         }
 
+        public checkForMissingThrowStatementExpression(node: ThrowStatementSyntax): boolean {
+            if (node.expression === undefined) {
+                this.diagnostics.push(new Diagnostic(
+                    this.syntaxTree.fileName(), this.syntaxTree.lineMap(), fullEnd(node.throwKeyword), 0, DiagnosticCode.Expression_expected));
+                return true;
+            }
+
+            return false;
+        }
+
         public visitTryStatement(node: TryStatementSyntax): void {
             if (this.checkForStatementInAmbientContxt(node)) {
                 return;