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equation_driver.hh
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// Copyright 2015-2018 RWTH Aachen University
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include <string>
#include "equation_parser.tab.hh"
#include "ast.hh"
// Tell Flex the lexer's prototype ...
#define YY_DECL \
yy::EquationParser::symbol_type yylex (EquationDriver& driver)
// ... and declare it for the parser's sake.
YY_DECL;
// Conducting the whole scanning and parsing of a CPPL equation
class EquationDriver {
public:
EquationDriver();
virtual ~EquationDriver();
// Handling the scanner.
void scan_begin ();
void scan_end ();
bool trace_scanning;
//Will contain the AST result after a parse process
Ast *ast;
// Run the parser on file F.
// Return 0 on success.
void parse (const std::string& f);
// The name of the file being parsed.
// Used later to pass the file name to the location tracker.
std::string file;
// Whether parser traces should be generated.
bool trace_parsing;
// Error handling.
void error (const yy::location& l, const std::string& m);
void error (const std::string& m);
};