Transformer.cpp

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/*
 * Souffle - A Datalog Compiler
 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved
 * Licensed under the Universal Permissive License v 1.0 as shown at:
 * - https://opensource.org/licenses/UPL
 * - <souffle root>/licenses/SOUFFLE-UPL.txt
 */
 
/************************************************************************
 *
 * @file Transformer.cpp
 *
 * Defines the interface for AST transformation passes.
 *
 ***********************************************************************/
 
#include "ast/transform/Transformer.h"
#include "ast/TranslationUnit.h"
#include "reports/ErrorReport.h"
 
namespace souffle::ast::transform {
 
bool Transformer::apply(TranslationUnit& translationUnit) {
    // invoke the transformation
    bool changed = transform(translationUnit);
 
    if (changed) {
        translationUnit.invalidateAnalyses();
    }
 
    /* Abort evaluation of the program if errors were encountered */
    translationUnit.getErrorReport().exitIfErrors();
 
    return changed;
}
 
}  // namespace souffle::ast::transform