94 lines
2.2 KiB
C++
94 lines
2.2 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 cppParser.cxx
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* @author drose
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* @date 1999-10-19
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*/
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#include "cppParser.h"
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#include "cppFile.h"
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#include "cppTypeParser.h"
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#include "cppBisonDefs.h"
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#include <set>
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#include <assert.h>
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bool cppparser_output_class_keyword = false;
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/**
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*
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*/
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CPPParser::
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CPPParser() : CPPScope(nullptr, CPPNameComponent(""), V_public) {
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}
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/**
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* Returns true if this declaration is an actual, factual declaration, or
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* false if some part of the declaration depends on a template parameter which
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* has not yet been instantiated.
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*/
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bool CPPParser::
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is_fully_specified() const {
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// The global scope is always considered to be "fully specified", even if it
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// contains some template declarations.
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return true;
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}
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/**
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*
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*/
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bool CPPParser::
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parse_file(const Filename &filename) {
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Filename canonical(filename);
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canonical.make_canonical();
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CPPFile file(canonical, filename, CPPFile::S_local);
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// Don't read it if we included it before and it had #pragma once.
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ParsedFiles::iterator it = _parsed_files.find(file);
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if (it != _parsed_files.end() && it->_pragma_once) {
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// But mark it as local.
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it->_source = CPPFile::S_local;
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return true;
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}
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if (!init_cpp(file)) {
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std::cerr << "Unable to read " << filename << "\n";
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return false;
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}
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parse_cpp(this);
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return get_error_count() == 0;
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}
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/**
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* Given a string, expand all manifests within the string and evaluate it as
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* an expression. Returns NULL if the string is not a valid expression.
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*/
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CPPExpression *CPPParser::
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parse_expr(const std::string &expr) {
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YYLTYPE loc = {};
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return CPPPreprocessor::parse_expr(expr, this, this, loc);
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}
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/**
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* Given a string, interpret it as a type name and return the corresponding
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* CPPType. Returns NULL if the string is not a valid type.
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*/
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CPPType *CPPParser::
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parse_type(const std::string &type) {
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CPPTypeParser ep(this, this);
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ep._verbose = 0;
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if (ep.parse_type(type, *this)) {
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return ep._type;
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} else {
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return nullptr;
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}
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}
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