78 lines
1.4 KiB
C++
78 lines
1.4 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file cppExpressionParser.cxx
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* @author drose
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* @date 1999-10-25
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*/
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#include "cppExpressionParser.h"
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#include "cppExpression.h"
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/**
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*
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*/
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CPPExpressionParser::
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CPPExpressionParser(CPPScope *current_scope, CPPScope *global_scope) :
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_current_scope(current_scope),
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_global_scope(global_scope)
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{
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_expr = nullptr;
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}
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/**
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*
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*/
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CPPExpressionParser::
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~CPPExpressionParser() {
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}
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/**
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*
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*/
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bool CPPExpressionParser::
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parse_expr(const std::string &expr) {
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if (!init_const_expr(expr)) {
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std::cerr << "Unable to parse expression\n";
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return false;
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}
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_expr = parse_const_expr(this, _current_scope, _global_scope);
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return get_error_count() == 0;
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}
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/**
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*
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*/
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bool CPPExpressionParser::
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parse_expr(const std::string &expr, const CPPPreprocessor &filepos) {
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if (!init_const_expr(expr)) {
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std::cerr << "Unable to parse expression\n";
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return false;
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}
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copy_filepos(filepos);
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_expr = parse_const_expr(this, _current_scope, _global_scope);
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return get_error_count() == 0;
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}
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/**
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*
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*/
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void CPPExpressionParser::
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output(std::ostream &out) const {
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if (_expr == nullptr) {
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out << "(null expr)";
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} else {
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out << *_expr;
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}
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}
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