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

Issue 2322243002: Preparse inner functions. (Closed)
Patch Set: fixes Created 4 years 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/base/hashmap.h" 8 #include "src/base/hashmap.h"
9 #include "src/globals.h" 9 #include "src/globals.h"
10 #include "src/objects.h" 10 #include "src/objects.h"
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335 // --------------------------------------------------------------------------- 335 // ---------------------------------------------------------------------------
336 // Variable allocation. 336 // Variable allocation.
337 337
338 // Result of variable allocation. 338 // Result of variable allocation.
339 int num_stack_slots() const { return num_stack_slots_; } 339 int num_stack_slots() const { return num_stack_slots_; }
340 int num_heap_slots() const { return num_heap_slots_; } 340 int num_heap_slots() const { return num_heap_slots_; }
341 341
342 int StackLocalCount() const; 342 int StackLocalCount() const;
343 int ContextLocalCount() const; 343 int ContextLocalCount() const;
344 344
345 // Determine if we can parse a function literal in this scope lazily. 345 // Determine if we can parse a function literal in this scope lazily without
346 bool AllowsLazyParsing() const; 346 // caring about the unresolved variables within.
347 bool AllowsLazyParsingWithoutUnresolvedVariables() const;
347 348
348 // The number of contexts between this and scope; zero if this == scope. 349 // The number of contexts between this and scope; zero if this == scope.
349 int ContextChainLength(Scope* scope) const; 350 int ContextChainLength(Scope* scope) const;
350 351
351 // The number of contexts between this and the outermost context that has a 352 // The number of contexts between this and the outermost context that has a
352 // sloppy eval call. One if this->calls_sloppy_eval(). 353 // sloppy eval call. One if this->calls_sloppy_eval().
353 int ContextChainLengthUntilOutermostSloppyEval() const; 354 int ContextChainLengthUntilOutermostSloppyEval() const;
354 355
355 // The maximum number of nested contexts required for this scope and any inner 356 // The maximum number of nested contexts required for this scope and any inner
356 // scopes. 357 // scopes.
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863 void AllocateModuleVariables(); 864 void AllocateModuleVariables();
864 865
865 private: 866 private:
866 ModuleDescriptor* module_descriptor_; 867 ModuleDescriptor* module_descriptor_;
867 }; 868 };
868 869
869 } // namespace internal 870 } // namespace internal
870 } // namespace v8 871 } // namespace v8
871 872
872 #endif // V8_AST_SCOPES_H_ 873 #endif // V8_AST_SCOPES_H_
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