68 lines
2.7 KiB
C++
68 lines
2.7 KiB
C++
// Filename: parameterRemapReferenceToPointer.cxx
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// Created by: drose (01Aug00)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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#include "parameterRemapReferenceToPointer.h"
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#include "typeManager.h"
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#include "cppType.h"
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#include "cppDeclaration.h"
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#include "cppConstType.h"
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#include "cppPointerType.h"
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#include "cppReferenceType.h"
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////////////////////////////////////////////////////////////////////
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// Function: ParameterRemapReferenceToPointer::Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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ParameterRemapReferenceToPointer::
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ParameterRemapReferenceToPointer(CPPType *orig_type) :
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ParameterRemap(orig_type)
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{
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_new_type = TypeManager::wrap_pointer(TypeManager::unwrap_reference(orig_type));
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}
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////////////////////////////////////////////////////////////////////
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// Function: ParameterRemapReferenceToPointer::pass_parameter
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// Access: Public, Virtual
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// Description: Outputs an expression that converts the indicated
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// variable from the new type to the original type, for
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// passing into the actual C++ function.
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////////////////////////////////////////////////////////////////////
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void ParameterRemapReferenceToPointer::
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pass_parameter(ostream &out, const string &variable_name) {
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if (variable_name.size() > 1 && variable_name[0] == '&') {
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// Prevent generating something like *¶m
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// Also, if this is really some local type, we can presumably just
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// move it? This is only relevant if this parameter is an rvalue
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// reference, but CPPParser can't know that, and it might have an overload
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// that takes an rvalue reference. It shouldn't hurt either way.
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out << "MOVE(" << variable_name.substr(1) << ")";
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} else {
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out << "*" << variable_name;
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: ParameterRemapReferenceToPointer::get_return_expr
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// Access: Public, Virtual
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// Description: Returns an expression that evalutes to the
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// appropriate value type for returning from the
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// function, given an expression of the original type.
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////////////////////////////////////////////////////////////////////
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string ParameterRemapReferenceToPointer::
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get_return_expr(const string &expression) {
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return "&(" + expression + ")";
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}
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