d07a2eb806
This way we don't clash with the ASSERT* macros defined by GoogleTest, and we are one step closer to being able to replace our homegrown base/ with base/ from Chrome. R=jochen@chromium.org, svenpanne@chromium.org Review URL: https://codereview.chromium.org/430503007 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22812 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
// Copyright 2006-2008 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_CODE_H_
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#define V8_CODE_H_
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#include "src/allocation.h"
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#include "src/handles.h"
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#include "src/objects.h"
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namespace v8 {
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namespace internal {
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// Wrapper class for passing expected and actual parameter counts as
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// either registers or immediate values. Used to make sure that the
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// caller provides exactly the expected number of parameters to the
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// callee.
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class ParameterCount BASE_EMBEDDED {
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public:
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explicit ParameterCount(Register reg)
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: reg_(reg), immediate_(0) { }
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explicit ParameterCount(int immediate)
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: reg_(no_reg), immediate_(immediate) { }
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explicit ParameterCount(Handle<JSFunction> f)
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: reg_(no_reg), immediate_(f->shared()->formal_parameter_count()) { }
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bool is_reg() const { return !reg_.is(no_reg); }
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bool is_immediate() const { return !is_reg(); }
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Register reg() const {
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DCHECK(is_reg());
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return reg_;
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}
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int immediate() const {
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DCHECK(is_immediate());
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return immediate_;
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}
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private:
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const Register reg_;
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const int immediate_;
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DISALLOW_IMPLICIT_CONSTRUCTORS(ParameterCount);
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};
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} } // namespace v8::internal
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#endif // V8_CODE_H_
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