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| 1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 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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| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | 27 |
| 28 #include "v8.h" | 28 #include "v8.h" |
| 29 | 29 |
| 30 #include "bootstrapper.h" | 30 #include "bootstrapper.h" |
| 31 #include "codegen-inl.h" | 31 #include "codegen-inl.h" |
| 32 #include "compiler.h" | 32 #include "compiler.h" |
| 33 #include "debug.h" | 33 #include "debug.h" |
| 34 #include "liveedit.h" | |
| 35 #include "oprofile-agent.h" | 34 #include "oprofile-agent.h" |
| 36 #include "prettyprinter.h" | 35 #include "prettyprinter.h" |
| 37 #include "register-allocator-inl.h" | 36 #include "register-allocator-inl.h" |
| 38 #include "rewriter.h" | 37 #include "rewriter.h" |
| 39 #include "runtime.h" | 38 #include "runtime.h" |
| 40 #include "scopeinfo.h" | 39 #include "scopeinfo.h" |
| 41 #include "stub-cache.h" | 40 #include "stub-cache.h" |
| 42 #include "virtual-frame-inl.h" | 41 #include "virtual-frame-inl.h" |
| 43 | 42 |
| 44 namespace v8 { | 43 namespace v8 { |
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| 197 Counters::total_compiled_code_size.Increment(code->instruction_size()); | 196 Counters::total_compiled_code_size.Increment(code->instruction_size()); |
| 198 } | 197 } |
| 199 return code; | 198 return code; |
| 200 } | 199 } |
| 201 | 200 |
| 202 | 201 |
| 203 // Generate the code. Takes a function literal, generates code for it, assemble | 202 // Generate the code. Takes a function literal, generates code for it, assemble |
| 204 // all the pieces into a Code object. This function is only to be called by | 203 // all the pieces into a Code object. This function is only to be called by |
| 205 // the compiler.cc code. | 204 // the compiler.cc code. |
| 206 Handle<Code> CodeGenerator::MakeCode(CompilationInfo* info) { | 205 Handle<Code> CodeGenerator::MakeCode(CompilationInfo* info) { |
| 207 LiveEditFunctionTracker live_edit_tracker(info->function()); | |
| 208 Handle<Script> script = info->script(); | 206 Handle<Script> script = info->script(); |
| 209 if (!script->IsUndefined() && !script->source()->IsUndefined()) { | 207 if (!script->IsUndefined() && !script->source()->IsUndefined()) { |
| 210 int len = String::cast(script->source())->length(); | 208 int len = String::cast(script->source())->length(); |
| 211 Counters::total_old_codegen_source_size.Increment(len); | 209 Counters::total_old_codegen_source_size.Increment(len); |
| 212 } | 210 } |
| 213 MakeCodePrologue(info); | 211 MakeCodePrologue(info); |
| 214 // Generate code. | 212 // Generate code. |
| 215 const int kInitialBufferSize = 4 * KB; | 213 const int kInitialBufferSize = 4 * KB; |
| 216 MacroAssembler masm(NULL, kInitialBufferSize); | 214 MacroAssembler masm(NULL, kInitialBufferSize); |
| 217 CodeGenerator cgen(&masm); | 215 CodeGenerator cgen(&masm); |
| 218 CodeGeneratorScope scope(&cgen); | 216 CodeGeneratorScope scope(&cgen); |
| 219 live_edit_tracker.RecordFunctionScope(info->function()->scope()); | |
| 220 cgen.Generate(info); | 217 cgen.Generate(info); |
| 221 if (cgen.HasStackOverflow()) { | 218 if (cgen.HasStackOverflow()) { |
| 222 ASSERT(!Top::has_pending_exception()); | 219 ASSERT(!Top::has_pending_exception()); |
| 223 return Handle<Code>::null(); | 220 return Handle<Code>::null(); |
| 224 } | 221 } |
| 225 | 222 |
| 226 InLoopFlag in_loop = (cgen.loop_nesting() != 0) ? IN_LOOP : NOT_IN_LOOP; | 223 InLoopFlag in_loop = (cgen.loop_nesting() != 0) ? IN_LOOP : NOT_IN_LOOP; |
| 227 Code::Flags flags = Code::ComputeFlags(Code::FUNCTION, in_loop); | 224 Code::Flags flags = Code::ComputeFlags(Code::FUNCTION, in_loop); |
| 228 Handle<Code> result = MakeCodeEpilogue(cgen.masm(), flags, info); | 225 return MakeCodeEpilogue(cgen.masm(), flags, info); |
| 229 live_edit_tracker.RecordFunctionCode(result); | |
| 230 return result; | |
| 231 } | 226 } |
| 232 | 227 |
| 233 | 228 |
| 234 #ifdef ENABLE_LOGGING_AND_PROFILING | 229 #ifdef ENABLE_LOGGING_AND_PROFILING |
| 235 | 230 |
| 236 bool CodeGenerator::ShouldGenerateLog(Expression* type) { | 231 bool CodeGenerator::ShouldGenerateLog(Expression* type) { |
| 237 ASSERT(type != NULL); | 232 ASSERT(type != NULL); |
| 238 if (!Logger::is_logging() && !CpuProfiler::is_profiling()) return false; | 233 if (!Logger::is_logging() && !CpuProfiler::is_profiling()) return false; |
| 239 Handle<String> name = Handle<String>::cast(type->AsLiteral()->handle()); | 234 Handle<String> name = Handle<String>::cast(type->AsLiteral()->handle()); |
| 240 if (FLAG_log_regexp) { | 235 if (FLAG_log_regexp) { |
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| 481 } | 476 } |
| 482 } | 477 } |
| 483 | 478 |
| 484 | 479 |
| 485 void ApiGetterEntryStub::SetCustomCache(Code* value) { | 480 void ApiGetterEntryStub::SetCustomCache(Code* value) { |
| 486 info()->set_load_stub_cache(value); | 481 info()->set_load_stub_cache(value); |
| 487 } | 482 } |
| 488 | 483 |
| 489 | 484 |
| 490 } } // namespace v8::internal | 485 } } // namespace v8::internal |
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