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Issue 8513010: Add pointer cache field to external string for access in generated code. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: . Created 9 years, 1 month ago
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1 // Copyright 2008 the V8 project authors. All rights reserved. 1 // Copyright 2008 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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74 const byte* NativeRegExpMacroAssembler::StringCharacterPosition( 74 const byte* NativeRegExpMacroAssembler::StringCharacterPosition(
75 String* subject, 75 String* subject,
76 int start_index) { 76 int start_index) {
77 // Not just flat, but ultra flat. 77 // Not just flat, but ultra flat.
78 ASSERT(subject->IsExternalString() || subject->IsSeqString()); 78 ASSERT(subject->IsExternalString() || subject->IsSeqString());
79 ASSERT(start_index >= 0); 79 ASSERT(start_index >= 0);
80 ASSERT(start_index <= subject->length()); 80 ASSERT(start_index <= subject->length());
81 if (subject->IsAsciiRepresentation()) { 81 if (subject->IsAsciiRepresentation()) {
82 const byte* address; 82 const byte* address;
83 if (StringShape(subject).IsExternal()) { 83 if (StringShape(subject).IsExternal()) {
84 const char* data = ExternalAsciiString::cast(subject)->resource()->data(); 84 const char* data = ExternalAsciiString::cast(subject)->GetChars();
85 address = reinterpret_cast<const byte*>(data); 85 address = reinterpret_cast<const byte*>(data);
86 } else { 86 } else {
87 ASSERT(subject->IsSeqAsciiString()); 87 ASSERT(subject->IsSeqAsciiString());
88 char* data = SeqAsciiString::cast(subject)->GetChars(); 88 char* data = SeqAsciiString::cast(subject)->GetChars();
89 address = reinterpret_cast<const byte*>(data); 89 address = reinterpret_cast<const byte*>(data);
90 } 90 }
91 return address + start_index; 91 return address + start_index;
92 } 92 }
93 const uc16* data; 93 const uc16* data;
94 if (StringShape(subject).IsExternal()) { 94 if (StringShape(subject).IsExternal()) {
95 data = ExternalTwoByteString::cast(subject)->resource()->data(); 95 data = ExternalTwoByteString::cast(subject)->GetChars();
96 } else { 96 } else {
97 ASSERT(subject->IsSeqTwoByteString()); 97 ASSERT(subject->IsSeqTwoByteString());
98 data = SeqTwoByteString::cast(subject)->GetChars(); 98 data = SeqTwoByteString::cast(subject)->GetChars();
99 } 99 }
100 return reinterpret_cast<const byte*>(data + start_index); 100 return reinterpret_cast<const byte*>(data + start_index);
101 } 101 }
102 102
103 103
104 NativeRegExpMacroAssembler::Result NativeRegExpMacroAssembler::Match( 104 NativeRegExpMacroAssembler::Result NativeRegExpMacroAssembler::Match(
105 Handle<Code> regexp_code, 105 Handle<Code> regexp_code,
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262 return NULL; 262 return NULL;
263 } 263 }
264 *stack_base = new_stack_base; 264 *stack_base = new_stack_base;
265 intptr_t stack_content_size = old_stack_base - stack_pointer; 265 intptr_t stack_content_size = old_stack_base - stack_pointer;
266 return new_stack_base - stack_content_size; 266 return new_stack_base - stack_content_size;
267 } 267 }
268 268
269 #endif // V8_INTERPRETED_REGEXP 269 #endif // V8_INTERPRETED_REGEXP
270 270
271 } } // namespace v8::internal 271 } } // namespace v8::internal
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