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49 lines
2.4 KiB
49 lines
2.4 KiB
#ifndef STORM_STORAGE_EXPRESSIONS_IDENTIFIERSUBSTITUTIONVISITOR_H_
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#define STORM_STORAGE_EXPRESSIONS_IDENTIFIERSUBSTITUTIONVISITOR_H_
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#include <stack>
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#include "src/storage/expressions/Expression.h"
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#include "src/storage/expressions/ExpressionVisitor.h"
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namespace storm {
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namespace expressions {
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template<typename MapType>
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class IdentifierSubstitutionVisitor : public ExpressionVisitor {
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public:
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/*!
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* Creates a new substitution visitor that uses the given map to replace identifiers.
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*
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* @param identifierToExpressionMap A mapping from identifiers to expressions.
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*/
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IdentifierSubstitutionVisitor(MapType const& identifierToExpressionMap);
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/*!
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* Substitutes the identifiers in the given expression according to the previously given map and returns the
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* resulting expression.
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*
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* @param expression The expression in which to substitute the identifiers.
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* @return The expression in which all identifiers in the key set of the previously given mapping are
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* substituted with the mapped-to expressions.
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*/
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Expression substitute(Expression const& expression);
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virtual boost::any visit(IfThenElseExpression const& expression) override;
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virtual boost::any visit(BinaryBooleanFunctionExpression const& expression) override;
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virtual boost::any visit(BinaryNumericalFunctionExpression const& expression) override;
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virtual boost::any visit(BinaryRelationExpression const& expression) override;
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virtual boost::any visit(VariableExpression const& expression) override;
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virtual boost::any visit(UnaryBooleanFunctionExpression const& expression) override;
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virtual boost::any visit(UnaryNumericalFunctionExpression const& expression) override;
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virtual boost::any visit(BooleanLiteralExpression const& expression) override;
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virtual boost::any visit(IntegerLiteralExpression const& expression) override;
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virtual boost::any visit(DoubleLiteralExpression const& expression) override;
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private:
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// A mapping of identifier names to expressions with which they shall be replaced.
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MapType const& identifierToIdentifierMap;
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};
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}
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}
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#endif /* STORM_STORAGE_EXPRESSIONS_IDENTIFIERSUBSTITUTIONVISITOR_H_ */
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