v8/src/fast-codegen.h
kmillikin@chromium.org b1defd51cb Rename the Location type tags to be consistent with our current naming
scheme for enumerations (eg, EFFECT => kEffect).

Remove the ability to move from one Location to another, which should
never be necessary.

Review URL: http://codereview.chromium.org/340034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3175 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2009-10-29 13:58:04 +00:00

94 lines
3.4 KiB
C++

// Copyright 2009 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_FAST_CODEGEN_H_
#define V8_FAST_CODEGEN_H_
#include "v8.h"
#include "ast.h"
namespace v8 {
namespace internal {
class FastCodeGenerator: public AstVisitor {
public:
FastCodeGenerator(MacroAssembler* masm, Handle<Script> script, bool is_eval)
: masm_(masm), function_(NULL), script_(script), is_eval_(is_eval) {
}
static Handle<Code> MakeCode(FunctionLiteral* fun,
Handle<Script> script,
bool is_eval);
void Generate(FunctionLiteral* fun);
private:
int SlotOffset(Slot* slot);
void Move(Location destination, Register source);
void Move(Location destination, Slot* source);
void Move(Location destination, Literal* source);
void Move(Register destination, Location source);
void Move(Slot* destination, Location source);
// Drop the TOS, and store source to destination.
// If destination is TOS, just overwrite TOS with source.
void DropAndMove(Location destination, Register source);
void VisitDeclarations(ZoneList<Declaration*>* declarations);
Handle<JSFunction> BuildBoilerplate(FunctionLiteral* fun);
void DeclareGlobals(Handle<FixedArray> pairs);
void SetFunctionPosition(FunctionLiteral* fun);
void SetReturnPosition(FunctionLiteral* fun);
void SetStatementPosition(Statement* stmt);
void SetSourcePosition(int pos);
// AST node visit functions.
#define DECLARE_VISIT(type) virtual void Visit##type(type* node);
AST_NODE_LIST(DECLARE_VISIT)
#undef DECLARE_VISIT
// Handles the shortcutted logical binary operations in VisitBinaryOperation.
void EmitLogicalOperation(BinaryOperation* expr);
MacroAssembler* masm_;
FunctionLiteral* function_;
Handle<Script> script_;
bool is_eval_;
DISALLOW_COPY_AND_ASSIGN(FastCodeGenerator);
};
} } // namespace v8::internal
#endif // V8_FAST_CODEGEN_H_