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anthem
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Code Issues 15 Releases 21 Activity

Implemented syntax highlighting for the body part.

This commit is contained in:
Patrick Lühne 2016-11-24 03:31:28 +01:00
parent 47d7058f5a
commit e2a450daa6
Signed by: patrick
GPG Key ID: 05F3611E97A70ABF
1 changed files with 42 additions and 27 deletions
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69
include/anthem/Body.h
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@ -5,6 +5,8 @@
#include <anthem/Context.h>
#include <anthem/Utils.h>
#include <anthem/output/ClingoOutput.h>
#include <anthem/output/Formatting.h>
namespace anthem
{
@ -42,58 +44,67 @@ struct TermPrintVisitor
throwErrorAtLocation(term.location, "“interval” terms currently unsupported in this context", context);
}
// TODO: check correctness
void visit(const Clingo::AST::Function &function, const Clingo::AST::Literal &literal, const Clingo::AST::Term &term, Context &context)
{
if (literal.sign == Clingo::AST::Sign::DoubleNegation)
throwErrorAtLocation(literal.location, "double-negated literals currently unsupported", context);
auto &outputStream = context.logger.outputStream();
if (function.arguments.empty())
{
std::cout << function.name;
outputStream << output::Function(function.name);
return;
}
std::cout << "exists ";
outputStream << output::Keyword("exists") << " ";
for (auto i = function.arguments.cbegin(); i != function.arguments.cend(); i++)
{
if (i != function.arguments.cbegin())
std::cout << ", ";
outputStream << ", ";
std::cout << AuxiliaryBodyVariablePrefix << (context.auxiliaryBodyLiteralID + (i - function.arguments.cbegin()));
const auto variableName = std::string(AuxiliaryBodyVariablePrefix) + std::to_string(i - function.arguments.cbegin());
outputStream << output::Variable(variableName.c_str());
}
std::cout << " (";
outputStream << " (";
for (auto i = function.arguments.cbegin(); i != function.arguments.cend(); i++)
{
const auto &argument = *i;
if (i != function.arguments.cbegin())
std::cout << " and ";
outputStream << " " << Clingo::AST::BinaryOperator::And << " ";
std::cout
<< AuxiliaryBodyVariablePrefix << (context.auxiliaryBodyLiteralID + (i - function.arguments.cbegin()))
<< " in "
const auto variableName = std::string(AuxiliaryBodyVariablePrefix) + std::to_string(context.auxiliaryBodyLiteralID + (i - function.arguments.cbegin()));
outputStream
<< output::Variable(variableName.c_str())
<< " " << output::Keyword("in") << " "
<< argument;
}
std::cout << " and ";
outputStream << " " << Clingo::AST::BinaryOperator::And << " ";
if (literal.sign == Clingo::AST::Sign::Negation)
std::cout << "not ";
std::cout << Clingo::AST::Sign::Negation << " ";
std::cout << function.name << "(";
outputStream << output::Function(function.name) << "(";
for (auto i = function.arguments.cbegin(); i != function.arguments.cend(); i++)
{
if (i != function.arguments.cbegin())
std::cout << ", ";
outputStream << ", ";
std::cout << AuxiliaryBodyVariablePrefix << (context.auxiliaryBodyLiteralID + (i - function.arguments.cbegin()));
const auto variableName = std::string(AuxiliaryBodyVariablePrefix) + std::to_string(context.auxiliaryBodyLiteralID + (i - function.arguments.cbegin()));
outputStream << output::Variable(variableName.c_str());
}
std::cout << "))";
outputStream << "))";
context.auxiliaryBodyLiteralID += function.arguments.size();
}
@ -118,6 +129,7 @@ struct LiteralPrintVisitor
term.data.accept(TermPrintVisitor(), literal, term, context);
}
// TODO: refactor
void visit(const Clingo::AST::Comparison &comparison, const Clingo::AST::Literal &literal, Context &context)
{
assert(literal.sign == Clingo::AST::Sign::None);
@ -146,19 +158,22 @@ struct LiteralPrintVisitor
break;
}
std::cout
<< "exists " << AuxiliaryBodyVariablePrefix << (context.auxiliaryBodyLiteralID)
<< ", " << AuxiliaryBodyVariablePrefix << (context.auxiliaryBodyLiteralID + 1)
const auto variableName1 = std::string(AuxiliaryBodyVariablePrefix) + std::to_string(context.auxiliaryBodyLiteralID);
const auto variableName2 = std::string(AuxiliaryBodyVariablePrefix) + std::to_string(context.auxiliaryBodyLiteralID + 1);
context.logger.outputStream()
<< output::Keyword("exists") << " " << output::Variable(variableName1.c_str())
<< ", " << output::Variable(variableName2.c_str())
<< " ("
<< AuxiliaryBodyVariablePrefix << (context.auxiliaryBodyLiteralID)
<< " in " << comparison.left
<< " and "
<< AuxiliaryBodyVariablePrefix << (context.auxiliaryBodyLiteralID + 1)
<< " in " << comparison.right
<< " and "
<< AuxiliaryBodyVariablePrefix << (context.auxiliaryBodyLiteralID)
<< operatorName
<< AuxiliaryBodyVariablePrefix << (context.auxiliaryBodyLiteralID + 1)
<< output::Variable(variableName1.c_str())
<< " " << output::Keyword("in") << " " << comparison.left
<< " " << Clingo::AST::BinaryOperator::And << " "
<< output::Variable(variableName2.c_str())
<< " " << output::Keyword("in") << " " << comparison.right
<< " " << Clingo::AST::BinaryOperator::And << " "
<< output::Variable(variableName1.c_str())
<< " " << output::Operator(operatorName) << " "
<< output::Variable(variableName2.c_str())
<< ")";
context.auxiliaryBodyLiteralID += 2;