Promise resolver and promise result #76
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| // Copyright 2021 Roger Chapman and the v8go contributors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style license that can be | ||
| // found in the LICENSE file. | ||
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| package v8go | ||
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| // #include <stdlib.h> | ||
| // #include "v8go.h" | ||
| import "C" | ||
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| // Error creates a generic error message. | ||
| func Error(msg string) *Value { | ||
| panic("not implemented") | ||
| } | ||
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| // RangeError creates a range error message. | ||
| func RangeError(msg string) *Value { | ||
| panic("not implemented") | ||
| } | ||
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| // ReferenceError creates a reference error message. | ||
| func ReferenceError(msg string) *Value { | ||
| panic("not implemented") | ||
| } | ||
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| // SyntaxError creates a syntax error message. | ||
| func SyntaxError(msg string) *Value { | ||
| panic("not implemented") | ||
| } | ||
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| // TypeError creates a type error message. | ||
| func TypeError(msg string) *Value { | ||
| panic("not implemented") | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| // Copyright 2021 Roger Chapman and the v8go contributors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style license that can be | ||
| // found in the LICENSE file. | ||
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| package v8go | ||
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| // #include <stdlib.h> | ||
| // #include "v8go.h" | ||
| import "C" | ||
| import ( | ||
| "errors" | ||
| "runtime" | ||
| ) | ||
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| // PromiseState | ||
| type PromiseState int | ||
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| const ( | ||
| Pending PromiseState = iota | ||
| Fulfilled | ||
| Rejected | ||
| ) | ||
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| // PromiseResolver | ||
| type PromiseResolver struct { | ||
| *Object | ||
| prom *Promise | ||
| } | ||
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| // Promise | ||
| type Promise struct { | ||
| *Object | ||
| } | ||
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| // MewPromiseResolver | ||
| func NewPromiseResolver(ctx *Context) (*PromiseResolver, error) { | ||
| if ctx == nil { | ||
| return nil, errors.New("v8go: Context is required") | ||
| } | ||
| ptr := C.NewPromiseResolver(ctx.ptr) | ||
| val := &Value{ptr, ctx} | ||
| runtime.SetFinalizer(val, (*Value).finalizer) | ||
| return &PromiseResolver{&Object{val}, nil}, nil | ||
| } | ||
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| // GetPromise | ||
| func (r *PromiseResolver) GetPromise() *Promise { | ||
| if r.prom == nil { | ||
| ptr := C.PromiseResolverGetPromise(r.ptr) | ||
| val := &Value{ptr, r.ctx} | ||
| runtime.SetFinalizer(val, (*Value).finalizer) | ||
| r.prom = &Promise{&Object{val}} | ||
| } | ||
| return r.prom | ||
| } | ||
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| // Resolve | ||
| func (r *PromiseResolver) Resolve(val Valuer) bool { | ||
| r.ctx.register() | ||
| defer r.ctx.deregister() | ||
| return C.PromiseResolverResolve(r.ptr, val.value().ptr) != 0 | ||
| } | ||
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| // Reject | ||
| func (r *PromiseResolver) Reject(err *Value) bool { | ||
|
There was a problem hiding this comment. Why not change this to Valuer? |
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| r.ctx.register() | ||
| defer r.ctx.deregister() | ||
| return C.PromiseResolverReject(r.ptr, err.ptr) != 0 | ||
| } | ||
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| // State | ||
| func (p *Promise) State() PromiseState { | ||
| return PromiseState(C.PromiseState(p.ptr)) | ||
| } | ||
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| // Result | ||
| func (p *Promise) Result() *Value { | ||
| ptr := C.PromiseResult(p.ptr) | ||
| val := &Value{ptr, p.ctx} | ||
| runtime.SetFinalizer(val, (*Value).finalizer) | ||
| return val | ||
| } | ||
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nite: lowercase?