05696362ad
Super calls need to refer to .this_function, .new.target and this, and super property references need to refer to .this_function and this, so that the is_used for those variables will be set and they will be allocated correctly. BUG=v8:5516 Change-Id: Idc58539fccad70c995e029051b59a67ea66bff91 Reviewed-on: https://chromium-review.googlesource.com/506094 Reviewed-by: Daniel Vogelheim <vogelheim@chromium.org> Commit-Queue: Marja Hölttä <marja@chromium.org> Cr-Commit-Position: refs/heads/master@{#45376}
88 lines
2.9 KiB
C++
88 lines
2.9 KiB
C++
// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_CCTEST_SCOPE_TEST_HELPER_H_
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#define V8_CCTEST_SCOPE_TEST_HELPER_H_
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#include "src/ast/scopes.h"
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#include "src/ast/variables.h"
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namespace v8 {
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namespace internal {
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class ScopeTestHelper {
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public:
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static bool MustAllocateInContext(Variable* var) {
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return var->scope()->MustAllocateInContext(var);
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}
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static void AllocateWithoutVariableResolution(Scope* scope) {
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scope->AllocateVariablesRecursively();
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}
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static void CompareScopes(Scope* baseline, Scope* scope,
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bool precise_maybe_assigned) {
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CHECK_EQ(baseline->scope_type(), scope->scope_type());
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CHECK_IMPLIES(baseline->is_declaration_scope(),
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baseline->AsDeclarationScope()->function_kind() ==
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scope->AsDeclarationScope()->function_kind());
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if (!PreParsedScopeData::ScopeNeedsData(baseline)) {
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return;
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}
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for (auto baseline_local = baseline->locals()->begin(),
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scope_local = scope->locals()->begin();
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baseline_local != baseline->locals()->end();
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++baseline_local, ++scope_local) {
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if (scope_local->mode() == VAR || scope_local->mode() == LET ||
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scope_local->mode() == CONST) {
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// Sanity check the variable name. If this fails, the variable order
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// is not deterministic.
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CHECK_EQ(scope_local->raw_name()->length(),
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baseline_local->raw_name()->length());
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for (int i = 0; i < scope_local->raw_name()->length(); ++i) {
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CHECK_EQ(scope_local->raw_name()->raw_data()[i],
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baseline_local->raw_name()->raw_data()[i]);
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}
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CHECK_EQ(scope_local->location(), baseline_local->location());
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if (precise_maybe_assigned) {
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CHECK_EQ(scope_local->maybe_assigned(),
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baseline_local->maybe_assigned());
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} else {
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STATIC_ASSERT(kMaybeAssigned > kNotAssigned);
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CHECK_GE(scope_local->maybe_assigned(),
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baseline_local->maybe_assigned());
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}
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}
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}
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for (Scope *baseline_inner = baseline->inner_scope(),
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*scope_inner = scope->inner_scope();
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scope_inner != nullptr; scope_inner = scope_inner->sibling(),
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baseline_inner = baseline_inner->sibling()) {
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CompareScopes(baseline_inner, scope_inner, precise_maybe_assigned);
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}
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}
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// Finds a scope given a start point and directions to it (which inner scope
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// to pick).
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static Scope* FindScope(Scope* scope, const std::vector<unsigned>& location) {
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for (auto n : location) {
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scope = scope->inner_scope();
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CHECK_NOT_NULL(scope);
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while (n-- > 0) {
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scope = scope->sibling();
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CHECK_NOT_NULL(scope);
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}
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}
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return scope;
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}
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};
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} // namespace internal
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} // namespace v8
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#endif // V8_CCTEST_SCOPE_TEST_HELPER_H_
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