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Fix declaration mismatch in generated constructors (#505)

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Daniel Wirtz 2019-02-22 00:50:29 +01:00 committed by GitHub
parent 4be78147e6
commit 3b5b96f496
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 36 additions and 18 deletions
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54
src/compiler.ts
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@ -48,8 +48,7 @@ import {
SETTER_PREFIX,
LibrarySymbols,
CommonSymbols,
INDEX_SUFFIX,
LIBRARY_PREFIX
INDEX_SUFFIX
} from "./common";
import {
@ -147,7 +146,8 @@ import {
nodeIsConstantValue,
findDecorator,
FieldDeclaration
FieldDeclaration,
FunctionDeclaration
} from "./ast";
import {
@ -5716,10 +5716,11 @@ export class Compiler extends DiagnosticEmitter {
}
let parameterTypes = instance.signature.parameterTypes;
let parameterNodes = instance.prototype.signatureNode.parameters;
assert(parameterNodes.length == parameterTypes.length);
let allOptionalsAreConstant = true;
for (let i = numArguments; i < maxArguments; ++i) {
let initializer = parameterNodes[i].initializer;
if (!(initializer !== null && nodeIsConstantValue(initializer.kind))) {
if (!(initializer && nodeIsConstantValue(initializer.kind))) {
allOptionalsAreConstant = false;
break;
}
@ -6653,22 +6654,38 @@ export class Compiler extends DiagnosticEmitter {
return instance;
}
// use the signature of the parent constructor if a derived class
// clone base constructor if a derived class
var baseClass = classInstance.base;
var signature = baseClass
? this.ensureConstructor(baseClass, reportNode).signature
: new Signature(null, classInstance.type, classInstance.type);
if (baseClass) {
let baseCtor = this.ensureConstructor(baseClass, reportNode);
instance = new Function(
CommonSymbols.constructor,
new FunctionPrototype(
CommonSymbols.constructor,
classInstance,
// declaration is important, i.e. to access optional parameter initializers
(<FunctionDeclaration>baseCtor.declaration).clone()
),
baseCtor.signature,
null
);
// otherwise make a default constructor
} else {
instance = new Function(
CommonSymbols.constructor,
new FunctionPrototype(
CommonSymbols.constructor,
classInstance,
this.program.makeNativeFunctionDeclaration(CommonSymbols.constructor,
CommonFlags.INSTANCE | CommonFlags.CONSTRUCTOR
)
),
new Signature(null, classInstance.type, classInstance.type),
null
);
}
instance = new Function(
CommonSymbols.constructor,
new FunctionPrototype(CommonSymbols.constructor, classInstance,
this.program.makeNativeFunctionDeclaration(CommonSymbols.constructor,
CommonFlags.INSTANCE | CommonFlags.CONSTRUCTOR
)
),
signature,
null
);
instance.internalName = classInstance.internalName + INSTANCE_DELIMITER + "constructor";
instance.set(CommonFlags.COMPILED);
instance.prototype.setResolvedInstance("", instance);
@ -6677,6 +6694,7 @@ export class Compiler extends DiagnosticEmitter {
this.currentFlow = instance.flow;
// generate body
var signature = instance.signature;
var module = this.module;
var nativeSizeType = this.options.nativeSizeType;
var stmts = new Array<ExpressionRef>();