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Side by Side Diff: src/ast/scopes.h

Issue 2955793002: Revert of Make some functions that are hit during renderer startup available for inlining (Closed)
Patch Set: Created 3 years, 6 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef V8_AST_SCOPES_H_ 5 #ifndef V8_AST_SCOPES_H_
6 #define V8_AST_SCOPES_H_ 6 #define V8_AST_SCOPES_H_
7 7
8 #include "src/ast/ast.h"
9 #include "src/base/compiler-specific.h" 8 #include "src/base/compiler-specific.h"
10 #include "src/base/hashmap.h" 9 #include "src/base/hashmap.h"
11 #include "src/globals.h" 10 #include "src/globals.h"
12 #include "src/objects.h" 11 #include "src/objects.h"
13 #include "src/zone/zone.h" 12 #include "src/zone/zone.h"
14 13
15 namespace v8 { 14 namespace v8 {
16 namespace internal { 15 namespace internal {
17 16
18 class AstNodeFactory; 17 class AstNodeFactory;
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202 Variable* DeclareVariableName(const AstRawString* name, VariableMode mode); 201 Variable* DeclareVariableName(const AstRawString* name, VariableMode mode);
203 202
204 // Declarations list. 203 // Declarations list.
205 ThreadedList<Declaration>* declarations() { return &decls_; } 204 ThreadedList<Declaration>* declarations() { return &decls_; }
206 205
207 ThreadedList<Variable>* locals() { return &locals_; } 206 ThreadedList<Variable>* locals() { return &locals_; }
208 207
209 // Create a new unresolved variable. 208 // Create a new unresolved variable.
210 VariableProxy* NewUnresolved(AstNodeFactory* factory, 209 VariableProxy* NewUnresolved(AstNodeFactory* factory,
211 const AstRawString* name, 210 const AstRawString* name,
212 int start_pos = kNoSourcePosition, 211 int start_position = kNoSourcePosition,
213 VariableKind kind = NORMAL_VARIABLE) { 212 VariableKind kind = NORMAL_VARIABLE);
214 // Note that we must not share the unresolved variables with
215 // the same name because they may be removed selectively via
216 // RemoveUnresolved().
217 DCHECK(!already_resolved_);
218 DCHECK_EQ(factory->zone(), zone());
219 VariableProxy* proxy = factory->NewVariableProxy(name, kind, start_pos);
220 proxy->set_next_unresolved(unresolved_);
221 unresolved_ = proxy;
222 return proxy;
223 }
224 213
225 void AddUnresolved(VariableProxy* proxy); 214 void AddUnresolved(VariableProxy* proxy);
226 215
227 // Remove a unresolved variable. During parsing, an unresolved variable 216 // Remove a unresolved variable. During parsing, an unresolved variable
228 // may have been added optimistically, but then only the variable name 217 // may have been added optimistically, but then only the variable name
229 // was used (typically for labels). If the variable was not declared, the 218 // was used (typically for labels). If the variable was not declared, the
230 // addition introduced a new unresolved variable which may end up being 219 // addition introduced a new unresolved variable which may end up being
231 // allocated globally as a "ghost" variable. RemoveUnresolved removes 220 // allocated globally as a "ghost" variable. RemoveUnresolved removes
232 // such a variable again if it was added; otherwise this is a no-op. 221 // such a variable again if it was added; otherwise this is a no-op.
233 bool RemoveUnresolved(VariableProxy* var); 222 bool RemoveUnresolved(VariableProxy* var);
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1024 void AllocateModuleVariables(); 1013 void AllocateModuleVariables();
1025 1014
1026 private: 1015 private:
1027 ModuleDescriptor* module_descriptor_; 1016 ModuleDescriptor* module_descriptor_;
1028 }; 1017 };
1029 1018
1030 } // namespace internal 1019 } // namespace internal
1031 } // namespace v8 1020 } // namespace v8
1032 1021
1033 #endif // V8_AST_SCOPES_H_ 1022 #endif // V8_AST_SCOPES_H_
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