Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(88)

Side by Side Diff: src/arm/regexp-macro-assembler-arm.cc

Issue 11308066: Rename IsAsciiRepresentation (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 8 years, 1 month 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/api.cc ('k') | src/bootstrapper.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 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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 1132 matching lines...) Expand 10 before | Expand all | Expand 10 after
1143 return RETRY; 1143 return RETRY;
1144 } 1144 }
1145 1145
1146 // Prepare for possible GC. 1146 // Prepare for possible GC.
1147 HandleScope handles(isolate); 1147 HandleScope handles(isolate);
1148 Handle<Code> code_handle(re_code); 1148 Handle<Code> code_handle(re_code);
1149 1149
1150 Handle<String> subject(frame_entry<String*>(re_frame, kInputString)); 1150 Handle<String> subject(frame_entry<String*>(re_frame, kInputString));
1151 1151
1152 // Current string. 1152 // Current string.
1153 bool is_ascii = subject->IsAsciiRepresentationUnderneath(); 1153 bool is_ascii = subject->IsOneByteRepresentationUnderneath();
1154 1154
1155 ASSERT(re_code->instruction_start() <= *return_address); 1155 ASSERT(re_code->instruction_start() <= *return_address);
1156 ASSERT(*return_address <= 1156 ASSERT(*return_address <=
1157 re_code->instruction_start() + re_code->instruction_size()); 1157 re_code->instruction_start() + re_code->instruction_size());
1158 1158
1159 MaybeObject* result = Execution::HandleStackGuardInterrupt(isolate); 1159 MaybeObject* result = Execution::HandleStackGuardInterrupt(isolate);
1160 1160
1161 if (*code_handle != re_code) { // Return address no longer valid 1161 if (*code_handle != re_code) { // Return address no longer valid
1162 int delta = code_handle->address() - re_code->address(); 1162 int delta = code_handle->address() - re_code->address();
1163 // Overwrite the return address on the stack. 1163 // Overwrite the return address on the stack.
(...skipping 10 matching lines...) Expand all
1174 // Extract the underlying string and the slice offset. 1174 // Extract the underlying string and the slice offset.
1175 if (StringShape(*subject_tmp).IsCons()) { 1175 if (StringShape(*subject_tmp).IsCons()) {
1176 subject_tmp = Handle<String>(ConsString::cast(*subject_tmp)->first()); 1176 subject_tmp = Handle<String>(ConsString::cast(*subject_tmp)->first());
1177 } else if (StringShape(*subject_tmp).IsSliced()) { 1177 } else if (StringShape(*subject_tmp).IsSliced()) {
1178 SlicedString* slice = SlicedString::cast(*subject_tmp); 1178 SlicedString* slice = SlicedString::cast(*subject_tmp);
1179 subject_tmp = Handle<String>(slice->parent()); 1179 subject_tmp = Handle<String>(slice->parent());
1180 slice_offset = slice->offset(); 1180 slice_offset = slice->offset();
1181 } 1181 }
1182 1182
1183 // String might have changed. 1183 // String might have changed.
1184 if (subject_tmp->IsAsciiRepresentation() != is_ascii) { 1184 if (subject_tmp->IsOneByteRepresentation() != is_ascii) {
1185 // If we changed between an ASCII and an UC16 string, the specialized 1185 // If we changed between an ASCII and an UC16 string, the specialized
1186 // code cannot be used, and we need to restart regexp matching from 1186 // code cannot be used, and we need to restart regexp matching from
1187 // scratch (including, potentially, compiling a new version of the code). 1187 // scratch (including, potentially, compiling a new version of the code).
1188 return RETRY; 1188 return RETRY;
1189 } 1189 }
1190 1190
1191 // Otherwise, the content of the string might have moved. It must still 1191 // Otherwise, the content of the string might have moved. It must still
1192 // be a sequential or external string with the same content. 1192 // be a sequential or external string with the same content.
1193 // Update the start and end pointers in the stack frame to the current 1193 // Update the start and end pointers in the stack frame to the current
1194 // location (whether it has actually moved or not). 1194 // location (whether it has actually moved or not).
(...skipping 216 matching lines...) Expand 10 before | Expand all | Expand 10 after
1411 __ ldr(pc, MemOperand(sp, stack_alignment, PostIndex)); 1411 __ ldr(pc, MemOperand(sp, stack_alignment, PostIndex));
1412 } 1412 }
1413 1413
1414 #undef __ 1414 #undef __
1415 1415
1416 #endif // V8_INTERPRETED_REGEXP 1416 #endif // V8_INTERPRETED_REGEXP
1417 1417
1418 }} // namespace v8::internal 1418 }} // namespace v8::internal
1419 1419
1420 #endif // V8_TARGET_ARCH_ARM 1420 #endif // V8_TARGET_ARCH_ARM
OLDNEW
« no previous file with comments | « src/api.cc ('k') | src/bootstrapper.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698