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typed arrays: make call-as-function work for ctors

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Turn call-as-function calls into constructor calls. Makes the following
snippet work:

  var buf = ArrayBuffer(32);  // no 'new' but does the right thing
This commit is contained in:
Ben Noordhuis 2013-02-11 17:34:56 +01:00
parent aff8d9e716
commit ed3d553d82
2 changed files with 9 additions and 3 deletions
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6
src/v8_typed_array.cc
View File

@ -88,7 +88,7 @@ class ArrayBuffer {
static v8::Handle<v8::Value> V8New(const v8::Arguments& args) {
if (!args.IsConstructCall())
return ThrowTypeError("Constructor cannot be called as a function.");
return node::FromConstructorTemplate(GetTemplate(), args);
// To match Chrome, we allow "new ArrayBuffer()".
// if (args.Length() != 1)
@ -241,7 +241,7 @@ class TypedArray {
private:
static v8::Handle<v8::Value> V8New(const v8::Arguments& args) {
if (!args.IsConstructCall())
return ThrowTypeError("Constructor cannot be called as a function.");
return node::FromConstructorTemplate(GetTemplate(), args);
// To match Chrome, we allow "new Float32Array()".
// if (args.Length() != 1)
@ -613,7 +613,7 @@ class DataView {
private:
static v8::Handle<v8::Value> V8New(const v8::Arguments& args) {
if (!args.IsConstructCall())
return ThrowTypeError("Constructor cannot be called as a function.");
return node::FromConstructorTemplate(GetTemplate(), args);
if (args.Length() < 1)
return ThrowError("Wrong number of arguments.");

6
test/simple/test-typed-arrays.js
View File

@ -50,8 +50,14 @@ var assert = require('assert');
obj = new DataView(obj.buffer || obj);
assert.equal(obj.toString(), '[object DataView]');
assert.equal(Object.prototype.toString.call(obj), '[object DataView]');
// Calling constructor as function should work.
clazz(32);
});
// Calling constructor as function should work.
DataView(ArrayBuffer(32));
var buffer = new ArrayBuffer(16);
var uint8 = new Uint8Array(buffer);
var uint16 = new Uint16Array(buffer);