Experimental parser: merge to r19637

src/a64/codegen-a64.h

-// Copyright 2011 the V8 project authors. All rights reserved.
+// 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_MIPS_CODEGEN_MIPS_H_
-#define V8_MIPS_CODEGEN_MIPS_H_
-
+#ifndef V8_A64_CODEGEN_A64_H_
+#define V8_A64_CODEGEN_A64_H_
 
 #include "ast.h"
 #include "ic-inl.h"
 
 namespace v8 {
 namespace internal {
 
-// Forward declarations
-class CompilationInfo;
-
-enum TypeofState { INSIDE_TYPEOF, NOT_INSIDE_TYPEOF };
-
-// -------------------------------------------------------------------------
-// CodeGenerator
-
-class CodeGenerator: public AstVisitor {
- public:
-  explicit CodeGenerator(Isolate* isolate) {
-    InitializeAstVisitor(isolate);
-  }
-
-  static bool MakeCode(CompilationInfo* info);
-
-  // Printing of AST, etc. as requested by flags.
-  static void MakeCodePrologue(CompilationInfo* info, const char* kind);
-
-  // Allocate and install the code.
-  static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm,
-                                       Code::Flags flags,
-                                       CompilationInfo* info);
-
-  // Print the code after compiling it.
-  static void PrintCode(Handle<Code> code, CompilationInfo* info);
-
-  static bool ShouldGenerateLog(Isolate* isolate, Expression* type);
-
-  static void SetFunctionInfo(Handle<JSFunction> fun,
-                              FunctionLiteral* lit,
-                              bool is_toplevel,
-                              Handle<Script> script);
-
-  static bool RecordPositions(MacroAssembler* masm,
-                              int pos,
-                              bool right_here = false);
-
-  DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(CodeGenerator);
-};
-
-
 class StringCharLoadGenerator : public AllStatic {
  public:
   // Generates the code for handling different string types and loading the
   // indexed character into |result|.  We expect |index| as untagged input and
-  // |result| as untagged output.
+  // |result| as untagged output. Register index is asserted to be a 32-bit W
+  // register.
   static void Generate(MacroAssembler* masm,
                        Register string,
                        Register index,
                        Register result,
                        Label* call_runtime);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(StringCharLoadGenerator);
 };
 
 
 class MathExpGenerator : public AllStatic {
  public:
-  // Register input isn't modified. All other registers are clobbered.
   static void EmitMathExp(MacroAssembler* masm,
                           DoubleRegister input,
                           DoubleRegister result,
                           DoubleRegister double_scratch1,
                           DoubleRegister double_scratch2,
                           Register temp1,
                           Register temp2,
                           Register temp3);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MathExpGenerator);
 };
 
 } }  // namespace v8::internal
 
-#endif  // V8_MIPS_CODEGEN_MIPS_H_
+#endif  // V8_A64_CODEGEN_A64_H_