9a6801cb98
Summary: first step for a cleaner query front end that might be easier to open source Reviewers: teon.banek Reviewed By: teon.banek Subscribers: pullbot Differential Revision: https://phabricator.memgraph.io/D1511
32 lines
872 B
C++
32 lines
872 B
C++
#include <iostream>
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#include "antlr4-runtime.h"
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#include "query/frontend/opencypher/generated/MemgraphCypher.h"
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#include "query/frontend/opencypher/generated/MemgraphCypherLexer.h"
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using namespace antlropencypher;
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using namespace antlr4;
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int main(int, const char **a) {
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const char *query = a[1];
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ANTLRInputStream input(query);
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MemgraphCypherLexer lexer(&input);
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CommonTokenStream tokens(&lexer);
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const auto &vocabulary = lexer.getVocabulary();
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tokens.fill();
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for (auto token : tokens.getTokens()) {
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std::cout << "TYPE: " << vocabulary.getDisplayName(token->getType())
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<< "; TEXT: " << token->getText()
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<< "; STRING: " << token->toString() << std::endl;
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}
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MemgraphCypher parser(&tokens);
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tree::ParseTree *tree = parser.cypher();
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std::cout << tree->toStringTree(&parser) << std::endl << std::endl;
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return 0;
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}
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