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Code Issues 15 Releases 21 Activity

Minor restructuring.

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This commit is contained in:
Patrick Lühne 2017-03-06 15:42:38 +01:00
parent 70cb79b233
commit 71e6e4107a
Signed by: patrick
GPG Key ID: 05F3611E97A70ABF
1 changed files with 20 additions and 24 deletions
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12
include/anthem/StatementVisitor.h
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@ -36,8 +36,6 @@ struct StatementVisitor
rule.head.data.accept(HeadLiteralCollectFunctionTermsVisitor(), rule.head, context); rule.head.data.accept(HeadLiteralCollectFunctionTermsVisitor(), rule.head, context);
// Print auxiliary variables replacing the head atom’s arguments // Print auxiliary variables replacing the head atom’s arguments
if (!context.headTerms.empty())
{
for (auto i = context.headTerms.cbegin(); i != context.headTerms.cend(); i++) for (auto i = context.headTerms.cbegin(); i != context.headTerms.cend(); i++)
{ {
const auto &headTerm = **i; const auto &headTerm = **i;
@ -51,12 +49,7 @@ struct StatementVisitor
<< output::Variable(variableName.c_str()) << output::Variable(variableName.c_str())
<< " " << output::Keyword("in") << " " << headTerm; << " " << output::Keyword("in") << " " << headTerm;
} }
}
if (rule.body.empty() && context.headTerms.empty() && !context.isChoiceRule)
outputStream << Clingo::AST::Boolean({true});
else
{
// Print translated body literals // Print translated body literals
for (auto i = rule.body.cbegin(); i != rule.body.cend(); i++) for (auto i = rule.body.cbegin(); i != rule.body.cend(); i++)
{ {
@ -70,7 +63,6 @@ struct StatementVisitor
bodyLiteral.data.accept(BodyLiteralPrintVisitor(), bodyLiteral, context); bodyLiteral.data.accept(BodyLiteralPrintVisitor(), bodyLiteral, context);
} }
}
// Handle choice rules // Handle choice rules
if (context.isChoiceRule) if (context.isChoiceRule)
@ -89,6 +81,10 @@ struct StatementVisitor
outputStream << ")"; outputStream << ")";
} }
// Print “true” on the left side of the formula in case there is nothing else
if (rule.body.empty() && context.headTerms.empty() && !context.isChoiceRule)
outputStream << Clingo::AST::Boolean({true});
outputStream << " " << output::Operator("->") << " "; outputStream << " " << output::Operator("->") << " ";
// Print consequent of the implication // Print consequent of the implication