src/runtime.js - Issue 8199004: Reimplement Function.prototype.bind.

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Unified Diff: src/runtime.js

Issue 8199004: Reimplement Function.prototype.bind. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Reading length of function proxies as property of proxy. Created 9 years, 2 months ago

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Index: src/runtime.js

diff --git a/src/runtime.js b/src/runtime.js

index a12f6c7b093cb6302b363944d47239c80d4a1055..c3554c63723919a27c9d03dff017b1ab0f4fa71a 100644

--- a/src/runtime.js

+++ b/src/runtime.js

@@ -375,6 +375,12 @@ function INSTANCE_OF(F) {

return 1;

}

+ // Check if function is bound, if so, get [[BoundFunction]] from it

+ // and use that instead of F.

+ var bindings = %BoundFunctionGetBindings(F);

+ if (bindings) {

+ F = bindings[kBoundFunctionIndex]; // Always a non-bound function.

+ }

// Get the prototype of F; if it is not an object, throw an error.

var O = F.prototype;

if (!IS_SPEC_OBJECT(O)) {