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Code Issues 12 Releases 8 Activity

Restructured functions related to translation of predicates.

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This commit is contained in:
Patrick Lühne
2016-12-08 01:27:38 +01:00
parent 1561aa5eb9
commit 586f53a788
3 changed files with 73 additions and 77 deletions
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63
include/plasp/pddl/translation/Predicate.h
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@@ -5,6 +5,7 @@
#include <plasp/pddl/expressions/DerivedPredicate.h>
#include <plasp/pddl/expressions/Predicate.h>
#include <plasp/pddl/expressions/PredicateDeclaration.h>
#include <plasp/pddl/expressions/Variable.h>
#include <plasp/pddl/translation/Variables.h>
namespace plasp
@@ -20,11 +21,73 @@ namespace translation
//
////////////////////////////////////////////////////////////////////////////////////////////////////
// TODO: refactor (overly redundant)
void translatePredicate(output::ColorStream &outputStream, const expressions::Predicate &predicate);
void translateDerivedPredicate(output::ColorStream &outputStream, const expressions::DerivedPredicate &derivedPredicate);
void printPredicateName(output::ColorStream &outputStream, const expressions::PredicateDeclaration &predicateDeclaration);
void printDerivedPredicateName(output::ColorStream &outputStream, const expressions::DerivedPredicate &derivedPredicate);
////////////////////////////////////////////////////////////////////////////////////////////////////
inline void translatePredicate(output::ColorStream &outputStream, const expressions::Predicate &predicate)
{
const auto &arguments = predicate.arguments();
if (arguments.empty())
{
outputStream << output::String(predicate.name().c_str());
return;
}
outputStream << "(" << output::String(predicate.name().c_str());
for (const auto &argument : arguments)
{
outputStream << ", ";
if (argument->is<expressions::Constant>())
{
const auto &constant = argument->as<expressions::Constant>();
outputStream << output::Keyword("constant") << "(" << output::String(constant.name().c_str()) << ")";
}
else if (argument->is<expressions::Variable>())
{
const auto &variable = argument->as<expressions::Variable>();
outputStream << output::Variable(variable.name().c_str());
}
else
throw output::TranslatorException("only variables and constants supported in predicates currently");
}
outputStream << ")";
}
////////////////////////////////////////////////////////////////////////////////////////////////////
inline void translateDerivedPredicate(output::ColorStream &outputStream, const expressions::DerivedPredicate &derivedPredicate)
{
const auto &parameters = derivedPredicate.parameters();
const auto id = derivedPredicate.id();
if (parameters.empty())
{
outputStream << output::Number<decltype(id)>(id);
return;
}
outputStream << "(" << output::Number<decltype(id)>(id);
for (const auto &parameter : parameters)
outputStream << ", " << output::Variable(parameter->name().c_str());
outputStream << ")";
}
////////////////////////////////////////////////////////////////////////////////////////////////////
inline void printPredicateName(output::ColorStream &outputStream, const expressions::PredicateDeclaration &predicateDeclaration)
{
outputStream << output::Keyword("variable") << "(";

40
include/plasp/pddl/translation/Primitives.h
View File

@@ -6,6 +6,7 @@
#include <plasp/pddl/Description.h>
#include <plasp/pddl/expressions/Not.h>
#include <plasp/pddl/expressions/Predicate.h>
#include <plasp/pddl/translation/Predicate.h>
namespace plasp
{
@@ -20,49 +21,10 @@ namespace translation
//
////////////////////////////////////////////////////////////////////////////////////////////////////
void translatePredicate(output::ColorStream &outputStream, const expressions::Predicate &predicate);
void translateLiteral(output::ColorStream &outputStream, const Expression &literal);
////////////////////////////////////////////////////////////////////////////////////////////////////
inline void translatePredicate(output::ColorStream &outputStream, const expressions::Predicate &predicate)
{
const auto &arguments = predicate.arguments();
if (arguments.empty())
{
outputStream << output::String(predicate.name().c_str());
return;
}
outputStream << "(" << output::String(predicate.name().c_str());
for (const auto &argument : arguments)
{
outputStream << ", ";
if (argument->is<expressions::Constant>())
{
const auto &constant = argument->as<expressions::Constant>();
outputStream << output::Keyword("constant") << "(" << output::String(constant.name().c_str()) << ")";
}
else if (argument->is<expressions::Variable>())
{
const auto &variable = argument->as<expressions::Variable>();
outputStream << output::Variable(variable.name().c_str());
}
else
throw output::TranslatorException("only variables and constants supported in predicates currently");
}
outputStream << ")";
}
////////////////////////////////////////////////////////////////////////////////////////////////////
inline void translateLiteral(output::ColorStream &outputStream, const Expression &literal)
{
// Translate single predicate