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// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
@abstract
extern class Context extends HeapObject {
length: Smi;
scope_info: ScopeInfo;
previous: Context|Zero|Undefined;
}
extern class AwaitContext extends Context generates 'TNode<Context>';
extern class BlockContext extends Context generates 'TNode<Context>';
extern class CatchContext extends Context generates 'TNode<Context>';
extern class DebugEvaluateContext extends Context
generates 'TNode<Context>';
extern class EvalContext extends Context generates 'TNode<Context>';
extern class FunctionContext extends Context generates 'TNode<Context>';
extern class ModuleContext extends Context generates 'TNode<Context>';
extern class NativeContext extends Context;
extern class ScriptContext extends Context generates 'TNode<Context>';
extern class WithContext extends Context generates 'TNode<Context>';
const MIN_CONTEXT_SLOTS: constexpr int31
generates 'Context::MIN_CONTEXT_SLOTS';
extern enum NativeContextSlot extends intptr constexpr 'Context::Field' {
AGGREGATE_ERROR_FUNCTION_INDEX,
ARRAY_BUFFER_FUN_INDEX,
ARRAY_BUFFER_NOINIT_FUN_INDEX,
ARRAY_BUFFER_MAP_INDEX,
ARRAY_FUNCTION_INDEX,
ARRAY_JOIN_STACK_INDEX,
OBJECT_FUNCTION_INDEX,
ITERATOR_RESULT_MAP_INDEX,
JS_ARRAY_PACKED_ELEMENTS_MAP_INDEX,
JS_ARRAY_PACKED_SMI_ELEMENTS_MAP_INDEX,
MATH_RANDOM_CACHE_INDEX,
MATH_RANDOM_INDEX_INDEX,
NUMBER_FUNCTION_INDEX,
PROXY_REVOCABLE_RESULT_MAP_INDEX,
REFLECT_APPLY_INDEX,
REGEXP_FUNCTION_INDEX,
REGEXP_LAST_MATCH_INFO_INDEX,
INITIAL_STRING_ITERATOR_MAP_INDEX,
INITIAL_ARRAY_ITERATOR_MAP_INDEX,
SLOW_OBJECT_WITH_NULL_PROTOTYPE_MAP,
STRICT_ARGUMENTS_MAP_INDEX,
SLOPPY_ARGUMENTS_MAP_INDEX,
FAST_ALIASED_ARGUMENTS_MAP_INDEX,
PROMISE_FUNCTION_INDEX,
PROMISE_THEN_INDEX,
PROMISE_PROTOTYPE_INDEX,
STRICT_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX,
CONTINUATION_PRESERVED_EMBEDDER_DATA_INDEX,
BOUND_FUNCTION_WITH_CONSTRUCTOR_MAP_INDEX,
BOUND_FUNCTION_WITHOUT_CONSTRUCTOR_MAP_INDEX,
...
}
extern operator '[]' macro LoadContextElement(
NativeContext, NativeContextSlot): Object;
extern operator '[]=' macro StoreContextElement(
NativeContext, NativeContextSlot, Object): void;
type ContextSlot generates 'TNode<IntPtrT>' constexpr 'int32_t';
const PROXY_SLOT: constexpr ContextSlot
generates 'Context::MIN_CONTEXT_SLOTS';
extern operator '[]' macro LoadContextElement(Context, ContextSlot): Object;
extern operator '[]=' macro StoreContextElement(
Context, ContextSlot, Object): void;
extern operator '[]' macro LoadContextElement(Context, intptr): Object;
extern operator '[]' macro LoadContextElement(Context, Smi): Object;
// A dummy used instead of a context constant for runtime calls that don't need
// a context.
type NoContext extends Smi;
extern macro NoContextConstant(): NoContext;
const kNoContext: NoContext = NoContextConstant();
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