Version 3.22.7
Debug: Allow stepping into on a given call frame (Chromium issue 296963).
Always use timeGetTime() for TimeTicks::Now() on Windows (Chromium issue 288924).
Performance and stability improvements on all platforms.
git-svn-id: http://v8.googlecode.com/svn/trunk@17097 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/lithium-codegen.h b/src/lithium-codegen.h
new file mode 100644
index 0000000..8f2ccd5
--- /dev/null
+++ b/src/lithium-codegen.h
@@ -0,0 +1,96 @@
+// Copyright 2013 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef V8_LITHIUM_CODEGEN_H_
+#define V8_LITHIUM_CODEGEN_H_
+
+#include "v8.h"
+
+#include "compiler.h"
+
+namespace v8 {
+namespace internal {
+
+class LInstruction;
+class LPlatformChunk;
+
+class LCodeGenBase BASE_EMBEDDED {
+ public:
+ LCodeGenBase(LChunk* chunk,
+ MacroAssembler* assembler,
+ CompilationInfo* info);
+ virtual ~LCodeGenBase() {}
+
+ // Simple accessors.
+ MacroAssembler* masm() const { return masm_; }
+ CompilationInfo* info() const { return info_; }
+ Isolate* isolate() const { return info_->isolate(); }
+ Factory* factory() const { return isolate()->factory(); }
+ Heap* heap() const { return isolate()->heap(); }
+ Zone* zone() const { return zone_; }
+ LPlatformChunk* chunk() const { return chunk_; }
+ HGraph* graph() const;
+
+ void FPRINTF_CHECKING Comment(const char* format, ...);
+
+ bool GenerateBody();
+ virtual void GenerateBodyInstructionPre(LInstruction* instr) {}
+ virtual void GenerateBodyInstructionPost(LInstruction* instr) {}
+
+ virtual void EnsureSpaceForLazyDeopt(int space_needed) = 0;
+ virtual void RecordAndUpdatePosition(int position) = 0;
+
+ int GetNextEmittedBlock() const;
+
+ protected:
+ enum Status {
+ UNUSED,
+ GENERATING,
+ DONE,
+ ABORTED
+ };
+
+ LPlatformChunk* const chunk_;
+ MacroAssembler* const masm_;
+ CompilationInfo* const info_;
+ Zone* zone_;
+ Status status_;
+ int current_block_;
+ int current_instruction_;
+ const ZoneList<LInstruction*>* instructions_;
+ int last_lazy_deopt_pc_;
+
+ bool is_unused() const { return status_ == UNUSED; }
+ bool is_generating() const { return status_ == GENERATING; }
+ bool is_done() const { return status_ == DONE; }
+ bool is_aborted() const { return status_ == ABORTED; }
+};
+
+
+} } // namespace v8::internal
+
+#endif // V8_LITHIUM_CODEGEN_H_