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/*
* ggcov - A GTK frontend for exploring gcov coverage data
* Copyright (c) 2004-2005 Greg Banks <gnb@users.sourceforge.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _ggcov_cpp_parser_H_
#define _ggcov_cpp_parser_H_ 1
#include "estring.H"
#include "string_var.H"
#include "hashtable.H"
#include "list.H"
class cpp_parser_t
{
public:
cpp_parser_t(const char *filename);
virtual ~cpp_parser_t();
gboolean parse();
protected:
virtual void depends_changed() = 0;
virtual void handle_comment(const char *text) = 0;
virtual void post_line() = 0;
unsigned long lineno() const { return lineno_; }
gboolean depends(const char *var) const;
void dump() const;
private:
struct depend_t
{
depend_t();
~depend_t();
unsigned long lineno_;
hashtable_t<const char, int> *deltas_;
};
enum token_t
{
T_LEFT_PAREN = '(',
T_RIGHT_PAREN = ')',
T_BANG = '!',
T_INCLUDE=256,
T_IF,
T_IFDEF,
T_IFNDEF,
T_ELSE,
T_ELIF,
T_ENDIF,
T_DEFINE,
T_UNDEF,
T_DEFINED,
T_LOG_AND,
T_LOG_OR,
T_NUMBER,
T_IDENTIFIER,
T_BOOL_EXPR,
T_LOG_OP,
T_MAX_TOKEN
};
int xgetc();
void xungetc(int c);
int getc_commentless();
void got_comment(estring &e, unsigned int off);
int get_token();
const char *token_as_string(int tok) const;
void parse_cpp_line(unsigned long lineno);
void parse_c_line(unsigned long lineno);
void stack_dump();
void stack_push(int token);
int stack_pop();
int stack_peek(int off);
void stack_replace(int ntoks, int newtoken);
gboolean parse_boolean_expr(gboolean inverted);
void parse_if();
void parse_ifdef();
void parse_ifndef();
void parse_else();
void parse_endif();
void set_delta(depend_t *dep, const char *var, int delta);
string_var filename_;
unsigned long lineno_;
estring line_;
unsigned int index_; /* index into line_ which xgetc() will next return */
gboolean in_comment_;
estring comment_; /* text of all comments in the line, ws-separated */
char tokenbuf_[256];
list_t<depend_t> depend_stack_;
#define MAX_STACK 32
int depth_;
int stack_[MAX_STACK];
};
#endif /* _ggcov_cpp_parser_H_ */
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