Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(1153)

Side by Side Diff: src/scopes.h

Issue 6691054: [Arguments] Merge (7442,7496] from bleeding_edge. (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/arguments
Patch Set: Created 9 years, 8 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « src/runtime.cc ('k') | src/scopes.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
(...skipping 131 matching lines...) Expand 10 before | Expand all | Expand 10 after
142 // with statements or eval calls. 142 // with statements or eval calls.
143 Variable* DeclareGlobal(Handle<String> name); 143 Variable* DeclareGlobal(Handle<String> name);
144 144
145 // Add a parameter to the parameter list. The parameter must have been 145 // Add a parameter to the parameter list. The parameter must have been
146 // declared via Declare. The same parameter may occur more than once in 146 // declared via Declare. The same parameter may occur more than once in
147 // the parameter list; they must be added in source order, from left to 147 // the parameter list; they must be added in source order, from left to
148 // right. 148 // right.
149 void AddParameter(Variable* var); 149 void AddParameter(Variable* var);
150 150
151 // Create a new unresolved variable. 151 // Create a new unresolved variable.
152 virtual VariableProxy* NewUnresolved(Handle<String> name, bool inside_with); 152 virtual VariableProxy* NewUnresolved(Handle<String> name,
153 bool inside_with,
154 int position = RelocInfo::kNoPosition);
153 155
154 // Remove a unresolved variable. During parsing, an unresolved variable 156 // Remove a unresolved variable. During parsing, an unresolved variable
155 // may have been added optimistically, but then only the variable name 157 // may have been added optimistically, but then only the variable name
156 // was used (typically for labels). If the variable was not declared, the 158 // was used (typically for labels). If the variable was not declared, the
157 // addition introduced a new unresolved variable which may end up being 159 // addition introduced a new unresolved variable which may end up being
158 // allocated globally as a "ghost" variable. RemoveUnresolved removes 160 // allocated globally as a "ghost" variable. RemoveUnresolved removes
159 // such a variable again if it was added; otherwise this is a no-op. 161 // such a variable again if it was added; otherwise this is a no-op.
160 void RemoveUnresolved(VariableProxy* var); 162 void RemoveUnresolved(VariableProxy* var);
161 163
162 // Creates a new temporary variable in this scope. The name is only used 164 // Creates a new temporary variable in this scope. The name is only used
(...skipping 301 matching lines...) Expand 10 before | Expand all | Expand 10 after
464 nesting_level_--; 466 nesting_level_--;
465 ASSERT(nesting_level_ >= 0); 467 ASSERT(nesting_level_ >= 0);
466 if (nesting_level_ < inside_with_level_) { 468 if (nesting_level_ < inside_with_level_) {
467 inside_with_level_ = kNotInsideWith; 469 inside_with_level_ = kNotInsideWith;
468 } 470 }
469 ASSERT(inside_with_level_ <= nesting_level_); 471 ASSERT(inside_with_level_ <= nesting_level_);
470 } 472 }
471 473
472 virtual Variable* Lookup(Handle<String> name) { return NULL; } 474 virtual Variable* Lookup(Handle<String> name) { return NULL; }
473 475
474 virtual VariableProxy* NewUnresolved(Handle<String> name, bool inside_with) { 476 virtual VariableProxy* NewUnresolved(Handle<String> name,
477 bool inside_with,
478 int position = RelocInfo::kNoPosition) {
475 return NULL; 479 return NULL;
476 } 480 }
477 481
478 virtual Variable* NewTemporary(Handle<String> name) { return NULL; } 482 virtual Variable* NewTemporary(Handle<String> name) { return NULL; }
479 483
480 virtual bool HasTrivialOuterContext() const { 484 virtual bool HasTrivialOuterContext() const {
481 return (nesting_level_ == 0 || inside_with_level_ <= 0); 485 return (nesting_level_ == 0 || inside_with_level_ <= 0);
482 } 486 }
483 487
484 private: 488 private:
485 static const int kNotInsideWith = -1; 489 static const int kNotInsideWith = -1;
486 // Number of surrounding scopes of the current scope. 490 // Number of surrounding scopes of the current scope.
487 int nesting_level_; 491 int nesting_level_;
488 // Nesting level of outermost scope that is contained in a with statement, 492 // Nesting level of outermost scope that is contained in a with statement,
489 // or kNotInsideWith if there are no with's around the current scope. 493 // or kNotInsideWith if there are no with's around the current scope.
490 int inside_with_level_; 494 int inside_with_level_;
491 }; 495 };
492 496
493 497
494 } } // namespace v8::internal 498 } } // namespace v8::internal
495 499
496 #endif // V8_SCOPES_H_ 500 #endif // V8_SCOPES_H_
OLDNEW
« no previous file with comments | « src/runtime.cc ('k') | src/scopes.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698