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Move contructor grammar checks into the grammar walker.

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This commit is contained in:
Cyrus Najmabadi 2014-11-18 22:46:35 -08:00
parent 5a7929aec7
commit 3dfa8bef24
3 changed files with 17 additions and 15 deletions
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22
src/compiler/parser.ts
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@ -3373,12 +3373,6 @@ module ts {
node.parameters = sig.parameters;
node.type = sig.type;
node.body = parseAndCheckFunctionBody(/*isConstructor*/ true);
if (node.typeParameters) {
grammarErrorAtPos(node.typeParameters.pos, node.typeParameters.end - node.typeParameters.pos, Diagnostics.Type_parameters_cannot_appear_on_a_constructor_declaration);
}
if (node.type) {
grammarErrorOnNode(node.type, Diagnostics.Type_annotation_cannot_appear_on_a_constructor_declaration);
}
return finishNode(node);
}
@ -4167,7 +4161,21 @@ module ts {
}
function visitConstructor(node: ConstructorDeclaration) {
checkParameterList(node.parameters);
checkParameterList(node.parameters) ||
checkConstructorTypeParameters(node) ||
checkConstructorTypeAnnotation(node);
}
function checkConstructorTypeParameters(node: ConstructorDeclaration) {
if (node.typeParameters) {
return grammarErrorAtPos(node.typeParameters.pos, node.typeParameters.end - node.typeParameters.pos, Diagnostics.Type_parameters_cannot_appear_on_a_constructor_declaration);
}
}
function checkConstructorTypeAnnotation(node: ConstructorDeclaration) {
if (node.type) {
return grammarErrorOnNode(node.type, Diagnostics.Type_annotation_cannot_appear_on_a_constructor_declaration);
}
}
function visitConstructorType(node: SignatureDeclaration) {

5
tests/baselines/reference/constructorWithIncompleteTypeAnnotation.errors.txt
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@ -40,7 +40,6 @@ tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts(238,9): error TS
tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts(238,26): error TS1005: ';' expected.
tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts(239,13): error TS1108: A 'return' statement can only be used within a function body.
tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts(241,5): error TS1128: Declaration or statement expected.
tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts(254,67): error TS1093: Type annotation cannot appear on a constructor declaration.
tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts(254,69): error TS1110: Type expected.
tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts(256,9): error TS1128: Declaration or statement expected.
tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts(256,31): error TS1005: ',' expected.
@ -94,7 +93,7 @@ tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts(259,29): error T
tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts(259,37): error TS2304: Cannot find name 'string'.
==== tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts (94 errors) ====
==== tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts (93 errors) ====
declare module "fs" {
export class File {
constructor(filename: string);
@ -486,8 +485,6 @@ tests/cases/compiler/constructorWithIncompleteTypeAnnotation.ts(259,37): error T
private otherValue = 42;
constructor(private value: number, public name: string) : }
!!! error TS1093: Type annotation cannot appear on a constructor declaration.
~
!!! error TS1110: Type expected.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

5
tests/baselines/reference/parserConstructorDeclaration11.errors.txt
View File

@ -1,12 +1,9 @@
tests/cases/conformance/parser/ecmascript5/ConstructorDeclarations/parserConstructorDeclaration11.ts(2,14): error TS1098: Type parameter list cannot be empty.
tests/cases/conformance/parser/ecmascript5/ConstructorDeclarations/parserConstructorDeclaration11.ts(2,15): error TS1092: Type parameters cannot appear on a constructor declaration.
==== tests/cases/conformance/parser/ecmascript5/ConstructorDeclarations/parserConstructorDeclaration11.ts (2 errors) ====
==== tests/cases/conformance/parser/ecmascript5/ConstructorDeclarations/parserConstructorDeclaration11.ts (1 errors) ====
class C {
constructor<>() { }
~~
!!! error TS1098: Type parameter list cannot be empty.
!!! error TS1092: Type parameters cannot appear on a constructor declaration.
}