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Issue 607004: Add central bridge for liveedit support (Closed)
Patch Set: fix comment Created 10 years, 10 months ago
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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"
34 #include "oprofile-agent.h" 35 #include "oprofile-agent.h"
35 #include "prettyprinter.h" 36 #include "prettyprinter.h"
36 #include "register-allocator-inl.h" 37 #include "register-allocator-inl.h"
37 #include "rewriter.h" 38 #include "rewriter.h"
38 #include "runtime.h" 39 #include "runtime.h"
39 #include "scopeinfo.h" 40 #include "scopeinfo.h"
40 #include "stub-cache.h" 41 #include "stub-cache.h"
41 42
42 namespace v8 { 43 namespace v8 {
43 namespace internal { 44 namespace internal {
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227 Counters::total_compiled_code_size.Increment(code->instruction_size()); 228 Counters::total_compiled_code_size.Increment(code->instruction_size());
228 } 229 }
229 return code; 230 return code;
230 } 231 }
231 232
232 233
233 // Generate the code. Takes a function literal, generates code for it, assemble 234 // Generate the code. Takes a function literal, generates code for it, assemble
234 // all the pieces into a Code object. This function is only to be called by 235 // all the pieces into a Code object. This function is only to be called by
235 // the compiler.cc code. 236 // the compiler.cc code.
236 Handle<Code> CodeGenerator::MakeCode(CompilationInfo* info) { 237 Handle<Code> CodeGenerator::MakeCode(CompilationInfo* info) {
238 LiveEditFunctionTracker live_edit_tracker(info->function());
237 Handle<Script> script = info->script(); 239 Handle<Script> script = info->script();
238 if (!script->IsUndefined() && !script->source()->IsUndefined()) { 240 if (!script->IsUndefined() && !script->source()->IsUndefined()) {
239 int len = String::cast(script->source())->length(); 241 int len = String::cast(script->source())->length();
240 Counters::total_old_codegen_source_size.Increment(len); 242 Counters::total_old_codegen_source_size.Increment(len);
241 } 243 }
242 MakeCodePrologue(info); 244 MakeCodePrologue(info);
243 // Generate code. 245 // Generate code.
244 const int kInitialBufferSize = 4 * KB; 246 const int kInitialBufferSize = 4 * KB;
245 MacroAssembler masm(NULL, kInitialBufferSize); 247 MacroAssembler masm(NULL, kInitialBufferSize);
246 CodeGenerator cgen(&masm); 248 CodeGenerator cgen(&masm);
247 CodeGeneratorScope scope(&cgen); 249 CodeGeneratorScope scope(&cgen);
250 live_edit_tracker.RecordFunctionScope(info->function()->scope());
248 cgen.Generate(info, PRIMARY); 251 cgen.Generate(info, PRIMARY);
249 if (cgen.HasStackOverflow()) { 252 if (cgen.HasStackOverflow()) {
250 ASSERT(!Top::has_pending_exception()); 253 ASSERT(!Top::has_pending_exception());
251 return Handle<Code>::null(); 254 return Handle<Code>::null();
252 } 255 }
253 256
254 InLoopFlag in_loop = (cgen.loop_nesting() != 0) ? IN_LOOP : NOT_IN_LOOP; 257 InLoopFlag in_loop = (cgen.loop_nesting() != 0) ? IN_LOOP : NOT_IN_LOOP;
255 Code::Flags flags = Code::ComputeFlags(Code::FUNCTION, in_loop); 258 Code::Flags flags = Code::ComputeFlags(Code::FUNCTION, in_loop);
256 return MakeCodeEpilogue(cgen.masm(), flags, info); 259 Handle<Code> result = MakeCodeEpilogue(cgen.masm(), flags, info);
260 live_edit_tracker.RecordFunctionCode(result);
261 return result;
257 } 262 }
258 263
259 264
260 #ifdef ENABLE_LOGGING_AND_PROFILING 265 #ifdef ENABLE_LOGGING_AND_PROFILING
261 266
262 bool CodeGenerator::ShouldGenerateLog(Expression* type) { 267 bool CodeGenerator::ShouldGenerateLog(Expression* type) {
263 ASSERT(type != NULL); 268 ASSERT(type != NULL);
264 if (!Logger::is_logging()) return false; 269 if (!Logger::is_logging()) return false;
265 Handle<String> name = Handle<String>::cast(type->AsLiteral()->handle()); 270 Handle<String> name = Handle<String>::cast(type->AsLiteral()->handle());
266 if (FLAG_log_regexp) { 271 if (FLAG_log_regexp) {
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518 } 523 }
519 } 524 }
520 525
521 526
522 void ApiGetterEntryStub::SetCustomCache(Code* value) { 527 void ApiGetterEntryStub::SetCustomCache(Code* value) {
523 info()->set_load_stub_cache(value); 528 info()->set_load_stub_cache(value);
524 } 529 }
525 530
526 531
527 } } // namespace v8::internal 532 } } // namespace v8::internal
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