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Issue 392001: Fix inline constructor code bailout.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 11 years, 1 month ago
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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. 1 // Copyright 2006-2009 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
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3282 inline bool is_toplevel(); 3282 inline bool is_toplevel();
3283 inline void set_is_toplevel(bool value); 3283 inline void set_is_toplevel(bool value);
3284 3284
3285 // Bit field containing various information collected by the compiler to 3285 // Bit field containing various information collected by the compiler to
3286 // drive optimization. 3286 // drive optimization.
3287 inline int compiler_hints(); 3287 inline int compiler_hints();
3288 inline void set_compiler_hints(int value); 3288 inline void set_compiler_hints(int value);
3289 3289
3290 // Add information on assignments of the form this.x = ...; 3290 // Add information on assignments of the form this.x = ...;
3291 void SetThisPropertyAssignmentsInfo( 3291 void SetThisPropertyAssignmentsInfo(
3292 bool has_only_this_property_assignments,
3293 bool has_only_simple_this_property_assignments, 3292 bool has_only_simple_this_property_assignments,
3294 FixedArray* this_property_assignments); 3293 FixedArray* this_property_assignments);
3295 3294
3296 // Clear information on assignments of the form this.x = ...; 3295 // Clear information on assignments of the form this.x = ...;
3297 void ClearThisPropertyAssignmentsInfo(); 3296 void ClearThisPropertyAssignmentsInfo();
3298 3297
3299 // Indicate that this function only consists of assignments of the form 3298 // Indicate that this function only consists of assignments of the form
3300 // this.x = ...;.
3301 inline bool has_only_this_property_assignments();
3302
3303 // Indicate that this function only consists of assignments of the form
3304 // this.x = y; where y is either a constant or refers to an argument. 3299 // this.x = y; where y is either a constant or refers to an argument.
3305 inline bool has_only_simple_this_property_assignments(); 3300 inline bool has_only_simple_this_property_assignments();
3306 3301
3307 inline bool try_fast_codegen(); 3302 inline bool try_fast_codegen();
3308 inline void set_try_fast_codegen(bool flag); 3303 inline void set_try_fast_codegen(bool flag);
3309 3304
3310 // For functions which only contains this property assignments this provides 3305 // For functions which only contains this property assignments this provides
3311 // access to the names for the properties assigned. 3306 // access to the names for the properties assigned.
3312 DECL_ACCESSORS(this_property_assignments, Object) 3307 DECL_ACCESSORS(this_property_assignments, Object)
3313 inline int this_property_assignments_count(); 3308 inline int this_property_assignments_count();
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3378 3373
3379 // Bit positions in start_position_and_type. 3374 // Bit positions in start_position_and_type.
3380 // The source code start position is in the 30 most significant bits of 3375 // The source code start position is in the 30 most significant bits of
3381 // the start_position_and_type field. 3376 // the start_position_and_type field.
3382 static const int kIsExpressionBit = 0; 3377 static const int kIsExpressionBit = 0;
3383 static const int kIsTopLevelBit = 1; 3378 static const int kIsTopLevelBit = 1;
3384 static const int kStartPositionShift = 2; 3379 static const int kStartPositionShift = 2;
3385 static const int kStartPositionMask = ~((1 << kStartPositionShift) - 1); 3380 static const int kStartPositionMask = ~((1 << kStartPositionShift) - 1);
3386 3381
3387 // Bit positions in compiler_hints. 3382 // Bit positions in compiler_hints.
3388 static const int kHasOnlyThisPropertyAssignments = 0; 3383 static const int kHasOnlySimpleThisPropertyAssignments = 0;
3389 static const int kHasOnlySimpleThisPropertyAssignments = 1; 3384 static const int kTryFastCodegen = 1;
3390 static const int kTryFastCodegen = 2;
3391 3385
3392 DISALLOW_IMPLICIT_CONSTRUCTORS(SharedFunctionInfo); 3386 DISALLOW_IMPLICIT_CONSTRUCTORS(SharedFunctionInfo);
3393 }; 3387 };
3394 3388
3395 3389
3396 // JSFunction describes JavaScript functions. 3390 // JSFunction describes JavaScript functions.
3397 class JSFunction: public JSObject { 3391 class JSFunction: public JSObject {
3398 public: 3392 public:
3399 // [prototype_or_initial_map]: 3393 // [prototype_or_initial_map]:
3400 DECL_ACCESSORS(prototype_or_initial_map, Object) 3394 DECL_ACCESSORS(prototype_or_initial_map, Object)
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5022 } else { 5016 } else {
5023 value &= ~(1 << bit_position); 5017 value &= ~(1 << bit_position);
5024 } 5018 }
5025 return value; 5019 return value;
5026 } 5020 }
5027 }; 5021 };
5028 5022
5029 } } // namespace v8::internal 5023 } } // namespace v8::internal
5030 5024
5031 #endif // V8_OBJECTS_H_ 5025 #endif // V8_OBJECTS_H_
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