72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
#ifndef __parse_api_H
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#define __parse_api_H
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/*
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* Copyright (c) 2011 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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# include <cstdio>
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# include "entity.h"
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typedef void*yyscan_t;
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/*
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* The yyltype supports the passing of detailed source file location
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* information between the lexical analyzer and the parser. Defining
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* YYLTYPE compels the lexor to use this type and not something other.
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*/
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struct yyltype {
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unsigned first_line;
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const char*text;
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yyltype() { first_line = 1; text = ""; }
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};
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# define YYLTYPE struct yyltype
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/*
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* This calls the bison-generated parser with the given file path as
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* the input stream. If the file cannot be opened, this returns -1.
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* The "library_name" argument is the name of the library that is
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* being parsed. If this is a regular source file, then this name is
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* nil. Note that the "work" library is handled specially.
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*/
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extern int parse_source_file(const char*file_path, perm_string library_name);
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/*
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* Use this function during parse to generate error messages. The "loc"
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* is the location of the token that triggered the error, and the fmt
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* is printf-style format.
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*/
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extern void errormsg(const YYLTYPE&loc, const char*fmt, ...) __attribute__((format (printf, 2, 3)));
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extern void sorrymsg(const YYLTYPE&loc, const char*fmt, ...) __attribute__((format (printf, 2, 3)));
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/*
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* Set this to a non-zero value to enable parser debug output.
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*/
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extern int yydebug;
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/*
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* The parser counts the errors that is handed in the parse_errors
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* variable. For a clean compile, this value should not change. (The
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* caller sets its initial value.) The sorrys are the count of
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* unsupported constructs that are encountered.
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*/
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extern int parse_errors;
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extern int parse_sorrys;
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#endif
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