73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
/**
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* @file ReturnValue.cpp
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* @date Dec 1, 2011
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* @author Alex Cunningham
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* @author Andrew Melim
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* @author Richard Roberts
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*/
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#include "ReturnValue.h"
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#include "utilities.h"
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#include <boost/foreach.hpp>
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#include <iostream>
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using namespace std;
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using namespace wrap;
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/* ************************************************************************* */
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ReturnValue ReturnValue::expandTemplate(const TemplateSubstitution& ts) const {
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ReturnValue instRetVal = *this;
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instRetVal.type1 = ts.tryToSubstitite(type1);
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if (isPair)
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instRetVal.type2 = ts.tryToSubstitite(type2);
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return instRetVal;
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}
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/* ************************************************************************* */
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string ReturnValue::return_type(bool add_ptr) const {
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if (isPair)
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return "pair< " + type1.str(add_ptr) + ", " + type2.str(add_ptr) + " >";
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else
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return type1.str(add_ptr);
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}
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/* ************************************************************************* */
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string ReturnValue::matlab_returnType() const {
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return isPair ? "[first,second]" : "result";
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}
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/* ************************************************************************* */
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void ReturnValue::wrap_result(const string& result, FileWriter& wrapperFile,
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const TypeAttributesTable& typeAttributes) const {
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if (isPair) {
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// For a pair, store the returned pair so we do not evaluate the function twice
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wrapperFile.oss << " " << return_type(true) << " pairResult = " << result
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<< ";\n";
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type1.wrap_result(" out[0]", "pairResult.first", wrapperFile,
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typeAttributes);
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type2.wrap_result(" out[1]", "pairResult.second", wrapperFile,
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typeAttributes);
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} else { // Not a pair
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type1.wrap_result(" out[0]", result, wrapperFile, typeAttributes);
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}
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}
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/* ************************************************************************* */
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void ReturnValue::wrapTypeUnwrap(FileWriter& wrapperFile) const {
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type1.wrapTypeUnwrap(wrapperFile);
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if (isPair)
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type2.wrapTypeUnwrap(wrapperFile);
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}
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/* ************************************************************************* */
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void ReturnValue::emit_matlab(FileWriter& proxyFile) const {
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string output;
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if (isPair)
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proxyFile.oss << "[ varargout{1} varargout{2} ] = ";
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else if (type1.category != ReturnType::VOID)
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proxyFile.oss << "varargout{1} = ";
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}
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/* ************************************************************************* */
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