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59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
/**
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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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* @file parameterRemapReferenceToPointer.cxx
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* @author drose
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* @date 2000-08-01
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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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*
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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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* Outputs an expression that converts the indicated variable from the new
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* type to the original type, for passing into the actual C++ function.
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*/
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void ParameterRemapReferenceToPointer::
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pass_parameter(std::ostream &out, const std::string &variable_name) {
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if (variable_name.size() > 1 && variable_name[0] == '&') {
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// Prevent generating something like *¶m Also, if this is really some
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// local type, we can presumably just move it? This is only relevant if
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// this parameter is an rvalue reference, but CPPParser can't know that,
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// and it might have an overload that takes an rvalue reference. It
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// shouldn't hurt either way.
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out << "std::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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* Returns an expression that evalutes to the appropriate value type for
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* returning from the function, given an expression of the original type.
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*/
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std::string ParameterRemapReferenceToPointer::
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get_return_expr(const std::string &expression) {
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return "&(" + expression + ")";
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}
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