2010-01-27 15:23:48 +00:00
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// Copyright 2010 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef V8_FAST_CODEGEN_H_
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#define V8_FAST_CODEGEN_H_
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#include "v8.h"
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#include "ast.h"
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2010-01-29 11:55:40 +00:00
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#include "compiler.h"
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2010-01-27 15:23:48 +00:00
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namespace v8 {
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namespace internal {
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class FastCodeGenSyntaxChecker: public AstVisitor {
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public:
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2010-01-29 11:55:40 +00:00
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explicit FastCodeGenSyntaxChecker()
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: info_(NULL), has_supported_syntax_(true) {
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2010-01-29 09:52:51 +00:00
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}
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2010-01-27 15:23:48 +00:00
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2010-01-29 11:55:40 +00:00
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void Check(FunctionLiteral* fun, CompilationInfo* info);
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2010-01-27 15:23:48 +00:00
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2010-01-29 11:55:40 +00:00
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CompilationInfo* info() { return info_; }
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2010-01-27 15:23:48 +00:00
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bool has_supported_syntax() { return has_supported_syntax_; }
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private:
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void VisitDeclarations(ZoneList<Declaration*>* decls);
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void VisitStatements(ZoneList<Statement*>* stmts);
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// AST node visit functions.
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#define DECLARE_VISIT(type) virtual void Visit##type(type* node);
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AST_NODE_LIST(DECLARE_VISIT)
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#undef DECLARE_VISIT
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2010-01-29 11:55:40 +00:00
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CompilationInfo* info_;
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2010-01-27 15:23:48 +00:00
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bool has_supported_syntax_;
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DISALLOW_COPY_AND_ASSIGN(FastCodeGenSyntaxChecker);
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};
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2010-01-29 15:29:33 +00:00
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class FastCodeGenerator: public AstVisitor {
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public:
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2010-02-01 17:01:58 +00:00
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FastCodeGenerator(MacroAssembler* masm, Handle<Script> script, bool is_eval)
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: masm_(masm),
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2010-01-29 15:29:33 +00:00
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script_(script),
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is_eval_(is_eval),
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function_(NULL),
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info_(NULL) {
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}
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2010-02-01 17:01:58 +00:00
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static Handle<Code> MakeCode(FunctionLiteral* fun,
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Handle<Script> script,
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bool is_eval,
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CompilationInfo* info);
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2010-01-29 15:29:33 +00:00
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void Generate(FunctionLiteral* fun, CompilationInfo* info);
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private:
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2010-02-01 17:01:58 +00:00
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MacroAssembler* masm() { return masm_; }
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FunctionLiteral* function() { return function_; }
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Label* bailout() { return &bailout_; }
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bool has_receiver() { return !info_->receiver().is_null(); }
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Handle<Object> receiver() { return info_->receiver(); }
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bool has_this_properties() { return info_->has_this_properties(); }
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2010-01-29 15:29:33 +00:00
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// AST node visit functions.
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#define DECLARE_VISIT(type) virtual void Visit##type(type* node);
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AST_NODE_LIST(DECLARE_VISIT)
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#undef DECLARE_VISIT
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2010-02-01 17:01:58 +00:00
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// Emit code to load the receiver from the stack into a given register.
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void EmitLoadReceiver(Register reg);
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// Emit code to check that the receiver has the same map as the
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// compile-time receiver. Receiver is expected in {ia32-edx, x64-rdx,
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// arm-r1}. Emit a branch to the (single) bailout label if check fails.
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void EmitReceiverMapCheck();
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// Emit code to load a global variable value into {is32-eax, x64-rax,
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// arm-r0}. Register {ia32-edx, x64-rdx, arm-r1} is preserved if it is
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// holding the receiver and {is32-ecx, x64-rcx, arm-r2} is always
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// clobbered.
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void EmitGlobalVariableLoad(Handle<String> name);
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// Emit a store to an own property of this. The stored value is expected
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// in {ia32-eax, x64-rax, arm-r0} and the receiver in {is32-edx, x64-rdx,
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// arm-r1}. Both are preserve.
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void EmitThisPropertyStore(Handle<String> name);
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2010-01-29 15:29:33 +00:00
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MacroAssembler* masm_;
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Handle<Script> script_;
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bool is_eval_;
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FunctionLiteral* function_;
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CompilationInfo* info_;
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2010-02-01 17:01:58 +00:00
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Label bailout_;
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2010-01-29 15:29:33 +00:00
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DISALLOW_COPY_AND_ASSIGN(FastCodeGenerator);
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};
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2010-01-27 15:23:48 +00:00
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} } // namespace v8::internal
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#endif // V8_FAST_CODEGEN_H_
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