1472 lines
39 KiB
C++
1472 lines
39 KiB
C++
/*
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Copyright (C) 2005-2006 Nach ( http://nsrt.edgeemu.com )
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later
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version.
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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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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*
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Config file handler creator by Nach (C) 2005-2006
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*/
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#if !defined(__GNUC__) && !defined(_MSC_VER)
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#error You are using an unsupported compiler
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#endif
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#include <iostream>
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#include <fstream>
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#include <string>
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#include <vector>
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#include <algorithm>
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#include <sstream>
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#include <set>
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#include <stack>
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using namespace std;
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#include <errno.h>
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#ifdef _MSC_VER //MSVC
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typedef int ssize_t;
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#define strcasecmp stricmp
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#define __WIN32__
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#endif
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#if defined(__MSDOS__) || defined(__WIN32__)
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#define SLASH_STR "\\"
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#else
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#define SLASH_STR "/"
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#endif
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#ifdef _MSC_VER //MSVC
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#define COMPILE_EXE(exe, c) "cl /nologo /Fe"exe " "c
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#define COMPILE_OBJ(obj, c) "cl /nologo /Fo"obj " "c
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#else
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#define COMPILE_EXE(exe, c) "gcc -o "exe " "c " -s"
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#define COMPILE_OBJ(obj, c) "gcc -o "obj " -c "c
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#endif
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#define LINE_LENGTH 2048*10
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char line[LINE_LENGTH];
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/*
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Line Tracking and Error Control
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*/
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static struct
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{
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size_t line_number;
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size_t column_number;
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void error(const char *str)
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{
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cerr << "Error: parse problem occured at " << line_number << ":" << column_number << ". " << str << "." << endl;
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}
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} current_location;
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/*
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String Functions for various parsing
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*/
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//Find next matching character which is not escaped
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char *find_next_match(char *str, char match_char)
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{
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char *pos = 0;
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while (*str)
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{
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if (*str == match_char)
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{
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pos = str;
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break;
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}
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if (*str == '\\')
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{
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if (str[1])
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{
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str++;
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}
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else
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{
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break;
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}
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}
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str++;
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}
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return(pos);
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}
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//This is like strtok(), except this understands quoted characters and updates error locations
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char *get_token(char *str, char *delim)
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{
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static char *pos = 0;
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char *token = 0;
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if (str) //Start a new string?
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{
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pos = str;
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}
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if (pos)
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{
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//Skip delimiters
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while (*pos && strchr(delim, *pos))
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{
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pos++;
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}
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if (*pos)
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{
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token = pos;
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//Skip non-delimiters
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while (*pos && !strchr(delim, *pos))
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{
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//Skip quoted characters
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if ((*pos == '\"') || (*pos == '\''))
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{
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char *match_pos = 0;
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if ((match_pos = find_next_match(pos+1, *pos)))
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{
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pos = match_pos;
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}
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}
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pos++;
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}
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if (*pos)
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{
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*pos++ = '\0';
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}
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}
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}
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if (token) { current_location.column_number = token - line; }
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return(token);
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}
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//Like strchr() but understands quoted characters
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char *find_chr(char *str, char match_char)
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{
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char *pos = 0;
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while (*str)
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{
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if (*str == match_char)
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{
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pos = str;
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break;
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}
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//Skip quoted characters
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if ((*str == '\"') || (*str == '\''))
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{
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char *match_pos = 0;
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if ((match_pos = find_next_match(str+1, *str)))
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{
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str = match_pos;
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}
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}
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str++;
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}
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return(pos);
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}
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//Convert $AB12 and 0AB12h style hex to 0xAB12 hex
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string hex_convert(string str)
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{
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size_t dollar_pos;
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while ((dollar_pos = str.find("$")) != string::npos)
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{
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str.replace(dollar_pos, 1, "0x");
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}
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while (tolower(str[0]) == 'h')
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{
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str.erase(0, 1);
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}
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size_t h_pos;
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while ((h_pos = str.find_first_of("hH")) != string::npos)
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{
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size_t h_len = 1;
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while ((h_pos-h_len) && isxdigit(str[h_pos-h_len]))
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{
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h_len++;
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}
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str.erase(h_pos, 1);
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str.insert(h_pos-h_len+1, "0x");
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}
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return(str);
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}
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//Ascii numbers to integer, with support for mathematics in the string
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ssize_t enhanced_atoi(const char *str)
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{
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ssize_t num = 0;
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//Make sure result file doesn't exist
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if (remove("eatio.res") && (errno != ENOENT))
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{
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cerr << "Error: Can not get accurate value information (eatio.res)." << endl;
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}
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//Biggest cheat of all time
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ofstream out_stream("eatio.c");
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if (out_stream)
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{
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out_stream << "#include <stdio.h>\n"
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<< "int main()\n"
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<< "{\n"
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<< " FILE *fp = fopen(\"eatio.res\", \"w\");\n"
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<< " if (fp)\n"
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<< " {\n"
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<< " fprintf(fp, \"%d\", " << hex_convert(str) << ");\n"
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<< " fclose(fp);\n"
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<< " }\n"
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<< " return(0);\n"
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<< "}\n\n";
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out_stream.close();
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system(COMPILE_EXE("eatio.exe", "eatio.c"));
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system("."SLASH_STR"eatio.exe");
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remove("eatio.c");
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remove("eatio.exe");
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remove("eatio.obj"); //Needed for stupid MSVCs which leave object files lying around
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ifstream in_stream("eatio.res");
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if (in_stream)
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{
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in_stream >> num;
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in_stream.close();
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}
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else
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{
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cerr << "Error: Can not get accurate value information (eatio.res)." << endl;
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}
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remove("eatio.res");
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}
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return(num);
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}
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//Standard atoi(), but shows error if string isn't all a number
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ssize_t safe_atoi(string& str)
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{
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if (!str.length()) { str = "X"; } //Force error
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const char *p = str.c_str();
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for (p = ((*p == '-') ? p+1 : p); *p; p++)
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{
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if (!isdigit(*p))
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{
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current_location.error("Not a number");
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}
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}
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return(atoi(str.c_str()));
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}
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bool all_spaces(const char *str)
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{
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while (*str)
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{
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if (!isspace(*str)) { return(false); }
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str++;
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}
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return(true);
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}
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string encode_string(string& str, bool quotes = true)
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{
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string newstr("");
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if (quotes) { newstr += '\"'; }
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for (size_t i = 0; i < str.length(); i++)
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{
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if ((str[i] == '\\') ||
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(str[i] == '\"') ||
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(str[i] == '\'') ||
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(str[i] == '\n') ||
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(str[i] == '\t'))
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{
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newstr += '\\';
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}
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newstr += str[i];
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}
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if (quotes) { newstr += '\"'; }
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return(newstr);
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}
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/*
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Structures used to store config data
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*/
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string family_name = "cfg";
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set<string> defines;
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stack<bool> ifs;
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typedef vector<string> str_array;
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str_array memsets;
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namespace variable
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{
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enum ctype { NT, UC, US, UD, SC, SS, SD, LT };
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static struct
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{
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const char *CTypeSpace;
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const char *CTypeUnderscore;
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char FormatChar;
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bool Signed;
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} info[] = {
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{ "", "", 0, false },
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{ "unsigned char", "unsigned_char", 'u', false },
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{ "unsigned short", "unsigned_short", 'u', false },
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{ "unsigned int", "unsigned_int", 'u', false },
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{ "char", "char", 'd', true },
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{ "short", "short", 'd', true },
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{ "int", "int", 'd', true }
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};
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ctype GetCType(const char *str)
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{
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int i = NT;
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for ( ; i < LT; i++)
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{
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if (!strcmp(info[i].CTypeSpace, str)) { break; }
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}
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i %= LT;
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if (i == NT)
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{
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cerr << "Invalid C type \"" << str << "\" when parsing line " << current_location.line_number << "." << endl;
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}
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return((ctype)i);
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}
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enum storage_format { none, single, quoted, mult, mult_packed };
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struct config_data_element
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{
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string name;
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storage_format format;
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ctype type;
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size_t length;
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string comment;
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bool operator==(const string& name) const { return(this->name == name); }
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};
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typedef vector<config_data_element> config_data_array;
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static class
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{
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private:
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config_data_array data_array;
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bool duplicate_name(string& name)
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{
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if (find(data_array.begin(), data_array.end(), name) != data_array.end())
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{
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cerr << "Duplicate definition of \"" << name << "\" found on line " << current_location.line_number << "." << endl;
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return(true);
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}
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return(false);
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}
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public:
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void add_comment(string comment)
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{
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config_data_element new_element = { "", none, NT, 0, comment };
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data_array.push_back(new_element);
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}
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void add_var_single(string& name, ctype type, string comment = "")
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{
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if (!duplicate_name(name))
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{
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config_data_element new_element = { name, single, type, 0, comment };
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data_array.push_back(new_element);
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}
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}
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void add_var_single(string& name, const char *type, string comment = "")
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{
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add_var_single(name, GetCType(type), comment);
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}
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void add_var_quoted(string& name, string comment = "")
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{
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if (!duplicate_name(name))
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{
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config_data_element new_element = { name, quoted, NT, 0, comment };
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data_array.push_back(new_element);
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}
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}
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void add_var_mult(string& name, ctype type, size_t length, string comment = "")
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{
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if (!duplicate_name(name))
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{
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config_data_element new_element = { name, mult, type, length, comment };
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data_array.push_back(new_element);
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}
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}
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void add_var_mult(string& name, const char *type, size_t length, string comment = "")
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{
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add_var_mult(name, GetCType(type), length, comment);
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}
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void add_var_packed(string& name, size_t length, string comment = "")
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{
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if (!duplicate_name(name))
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{
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config_data_element new_element = { name, mult_packed, NT, length, comment };
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data_array.push_back(new_element);
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}
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}
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bool ctype_mult_used(ctype type)
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{
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for (config_data_array::iterator i = data_array.begin(); i != data_array.end(); i++)
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{
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if ((i->format == mult) && (i->type == type))
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{
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return(true);
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}
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}
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return(false);
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}
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config_data_array::iterator begin() { return(data_array.begin()); }
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config_data_array::iterator end() { return(data_array.end()); }
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} config_data;
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}
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/*
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Compiler with it's helper functions
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*/
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#define var_type_is_char(var_type) !strcmp(var_type+strlen(var_type)-strlen("char"), "char")
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#define var_type_is_short(var_type) !strcmp(var_type+strlen(var_type)-strlen("short"), "short")
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#define var_type_is_int(var_type) !strcmp(var_type+strlen(var_type)-strlen("int"), "int")
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#define short_scale "*sizeof(short)"
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#define int_scale "*sizeof(int)"
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//Convert asm types to C types
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char *convert_asm_type(const char *str, bool unsigned_var = true)
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{
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char *var_type = 0;
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if (!strcasecmp(str, "dd"))
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{
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var_type = "unsigned int";
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}
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else if (!strcasecmp(str, "dw"))
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{
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var_type = "unsigned short";
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}
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else if (!strcasecmp(str, "db"))
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{
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var_type = "unsigned char";
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}
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else
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{
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current_location.error("Not a valid type");
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}
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if (var_type && !unsigned_var)
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{
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var_type += strlen("unsigned ");
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}
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return(var_type);
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}
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void output_parser_start(ostream& c_stream)
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{
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c_stream << "/*\n"
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<< "Config file handler generated by Nach's Config file handler creator.\n"
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<< "*/\n"
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<< "\n"
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<< "#include <stdio.h>\n"
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<< "#include <stdlib.h>\n"
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<< "#include <ctype.h>\n"
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<< "#include <string.h>\n"
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<< "\n"
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<< "\n"
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<< "#define LINE_LENGTH " << LINE_LENGTH << "\n"
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<< "static char line[LINE_LENGTH];\n"
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<< "static char packed[LINE_LENGTH];\n"
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<< "\n"
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<< "\n"
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<< "static char *encode_string(const char *str)\n"
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<< "{\n"
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<< " size_t i = 0;\n"
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<< " line[i++] = '\\\"';\n"
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<< " while (*str)\n"
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<< " {\n"
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<< " if ((*str == '\\\\') ||\n"
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<< " (*str == '\\\"') ||\n"
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<< " (*str == '\\\'') ||\n"
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<< " (*str == '\\n') ||\n"
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<< " (*str == '\\t'))\n"
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<< " {\n"
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<< " line[i++] = '\\\\';\n"
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<< " }\n"
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<< " line[i++] = *str++;\n"
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<< " }\n"
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<< " line[i++] = '\\\"';\n"
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<< " line[i] = 0;\n"
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<< " return(line);\n"
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<< "}\n"
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<< "\n"
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<< "static char *decode_string(char *str)\n"
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<< "{\n"
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<< " size_t str_len = strlen(str), i = 0;\n"
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<< " char *dest = str;\n"
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<< " \n"
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<< " if ((str_len > 1) && (*str == '\\\"') && (str[str_len-1] == '\\\"'))\n"
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<< " {\n"
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<< " memmove(str, str+1, str_len-2);\n"
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<< " str[str_len-2] = 0;\n"
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<< "\n"
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<< " while (*str)\n"
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<< " {\n"
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<< " if (*str == '\\\\')\n"
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<< " {\n"
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<< " str++;\n"
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<< " }\n"
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<< " dest[i++] = *str++;\n"
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<< " }\n"
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<< " }\n"
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<< " dest[i] = 0;\n"
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<< " return(dest);\n"
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<< "}\n"
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<< "\n"
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<< "static char *find_next_match(char *str, char match_char)\n"
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<< "{\n"
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<< " char *pos = 0;\n"
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<< "\n"
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<< " while (*str)\n"
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<< " {\n"
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<< " if (*str == match_char)\n"
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<< " {\n"
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<< " pos = str;\n"
|
|
<< " break;\n"
|
|
<< " }\n"
|
|
<< " if (*str == '\\\\')\n"
|
|
<< " {\n"
|
|
<< " if (str[1])\n"
|
|
<< " {\n"
|
|
<< " str++;\n"
|
|
<< " }\n"
|
|
<< " else\n"
|
|
<< " {\n"
|
|
<< " break;\n"
|
|
<< " }\n"
|
|
<< " }\n"
|
|
<< " str++;\n"
|
|
<< " }\n"
|
|
<< " return(pos);\n"
|
|
<< "}\n"
|
|
<< "\n"
|
|
<< "static char *find_str(char *str, char *match_str)\n"
|
|
<< "{\n"
|
|
<< " char *pos = 0;\n"
|
|
<< "\n"
|
|
<< " while (*str)\n"
|
|
<< " {\n"
|
|
<< " if (strchr(match_str, *str))\n"
|
|
<< " {\n"
|
|
<< " pos = str;\n"
|
|
<< " break;\n"
|
|
<< " }\n"
|
|
<< " if ((*str == '\\\"') || (*str == '\\\''))\n"
|
|
<< " {\n"
|
|
<< " char *match_pos = 0;\n"
|
|
<< " if ((match_pos = find_next_match(str+1, *str)))\n"
|
|
<< " {\n"
|
|
<< " str = match_pos;\n"
|
|
<< " }\n"
|
|
<< " }\n"
|
|
<< " str++;\n"
|
|
<< " }\n"
|
|
<< " return(pos); \n"
|
|
<< "}\n"
|
|
<< "\n"
|
|
<< "static char *get_token(char *str, char *delim)\n"
|
|
<< "{\n"
|
|
<< " static char *pos = 0;\n"
|
|
<< " char *token = 0;\n"
|
|
<< "\n"
|
|
<< " if (str) //Start a new string?\n"
|
|
<< " {\n"
|
|
<< " pos = str;\n"
|
|
<< " }\n"
|
|
<< "\n"
|
|
<< " if (pos)\n"
|
|
<< " {\n"
|
|
<< " //Skip delimiters\n"
|
|
<< " while (*pos && strchr(delim, *pos))\n"
|
|
<< " {\n"
|
|
<< " pos++;\n"
|
|
<< " }\n"
|
|
<< " if (*pos)\n"
|
|
<< " {\n"
|
|
<< " token = pos;\n"
|
|
<< "\n"
|
|
<< " //Skip non-delimiters\n"
|
|
<< " while (*pos && !strchr(delim, *pos))\n"
|
|
<< " {\n"
|
|
<< " //Skip quoted characters\n"
|
|
<< " if ((*pos == '\\\"') || (*pos == '\\''))\n"
|
|
<< " {\n"
|
|
<< " char *match_pos = 0;\n"
|
|
<< " if ((match_pos = find_next_match(pos+1, *pos)))\n"
|
|
<< " {\n"
|
|
<< " pos = match_pos;\n"
|
|
<< " }\n"
|
|
<< " }\n"
|
|
<< " pos++;\n"
|
|
<< " }\n"
|
|
<< " if (*pos)\n"
|
|
<< " {\n"
|
|
<< " *pos++ = '\\0';\n"
|
|
<< " }\n"
|
|
<< " }\n"
|
|
<< " }\n"
|
|
<< " return(token);\n"
|
|
<< "}\n"
|
|
<< "\n"
|
|
<< "static char *base94_encode(size_t size)\n"
|
|
<< "{\n"
|
|
<< " unsigned int i;\n"
|
|
<< " static char buffer[] = { 0, 0, 0, 0, 0, 0};\n"
|
|
<< " for (i = 0; i < 5; i++)\n"
|
|
<< " {\n"
|
|
<< " buffer[i] = ' ' + (char)(size % 94);\n"
|
|
<< " size /= 94;\n"
|
|
<< " }\n"
|
|
<< " return(buffer);\n"
|
|
<< "}\n"
|
|
<< "\n"
|
|
<< "static size_t base94_decode(const char *buffer)\n"
|
|
<< "{\n"
|
|
<< " size_t size = 0;\n"
|
|
<< " int i;\n"
|
|
<< " for (i = 4; i >= 0; i--)\n"
|
|
<< " {\n"
|
|
<< " size *= 94;\n"
|
|
<< " size += (size_t)(buffer[i]-' ');\n"
|
|
<< " }\n"
|
|
<< " return(size);\n"
|
|
<< "}\n"
|
|
<< "\n"
|
|
<< "static char *char_array_pack(const char *str, size_t len)\n"
|
|
<< "{\n"
|
|
<< " char *p = packed;\n"
|
|
<< " while (len)\n"
|
|
<< " {\n"
|
|
<< " if (*str)\n"
|
|
<< " {\n"
|
|
<< " size_t length = strlen(str);\n"
|
|
<< " strcpy(p, encode_string(str));\n"
|
|
<< " str += length;\n"
|
|
<< " len -= length;\n"
|
|
<< " p += strlen(p);\n"
|
|
<< " }\n"
|
|
<< " else\n"
|
|
<< " {\n"
|
|
<< " size_t i = 0;\n"
|
|
<< " while (!*str && len)\n"
|
|
<< " {\n"
|
|
<< " i++;\n"
|
|
<< " str++;\n"
|
|
<< " len--;\n"
|
|
<< " }\n"
|
|
<< "\n"
|
|
<< " sprintf(p, \"0%s\", encode_string(base94_encode(i)));\n"
|
|
<< " p += strlen(p);\n"
|
|
<< " }\n"
|
|
<< " *p++ = '\\\\';\n"
|
|
<< " }\n"
|
|
<< " p[-1] = 0;\n"
|
|
<< " return(packed);\n"
|
|
<< "}\n"
|
|
<< "\n"
|
|
<< "static char *char_array_unpack(char *str)\n"
|
|
<< "{\n"
|
|
<< " char *p = packed, *token;\n"
|
|
<< " size_t len = 0;\n"
|
|
<< " memset(packed, 0, sizeof(packed));\n"
|
|
<< " for (token = get_token(str, \"\\\\\"); token; token = get_token(0, \"\\\\\"))\n"
|
|
<< " {\n"
|
|
<< " if (*token == '0')\n"
|
|
<< " {\n"
|
|
<< " size_t i = base94_decode(decode_string(token+1));\n"
|
|
<< " len += i;\n"
|
|
<< " if (len > sizeof(packed)) { break; }\n"
|
|
<< " memset(p, 0, i);\n"
|
|
<< " p += i;\n"
|
|
<< " }\n"
|
|
<< " else\n"
|
|
<< " {\n"
|
|
<< " char *decoded = decode_string(token);\n"
|
|
<< " size_t decoded_length = strlen(decoded);\n"
|
|
<< " len += decoded_length;\n"
|
|
<< " if (len > sizeof(packed))\n"
|
|
<< " {\n"
|
|
<< " memcpy(p, decoded, sizeof(packed)-(len-decoded_length));\n"
|
|
<< " break;\n"
|
|
<< " }\n"
|
|
<< " memcpy(p, decoded, decoded_length);\n"
|
|
<< " p += decoded_length;\n"
|
|
<< " }\n"
|
|
<< " }\n"
|
|
<< " return(packed);\n"
|
|
<< "}\n"
|
|
<< "\n"
|
|
<< "\n";
|
|
}
|
|
|
|
void output_cheader_start(ostream& cheader_stream)
|
|
{
|
|
cheader_stream << "/*\n"
|
|
<< "Config file handler header generated by Nach's Config file handler creator.\n"
|
|
<< "*/\n"
|
|
<< "\n"
|
|
<< "#ifdef __cplusplus\n"
|
|
<< " extern \"C\" {\n"
|
|
<< "#endif\n"
|
|
<< "\n"
|
|
<< "unsigned char read_" << family_name << "_vars(const char *);\n"
|
|
<< "unsigned char write_" << family_name << "_vars(const char *);\n"
|
|
<< "\n";
|
|
}
|
|
|
|
void output_cheader_end(ostream& cheader_stream)
|
|
{
|
|
cheader_stream << "\n"
|
|
<< "#ifdef __cplusplus\n"
|
|
<< " }\n"
|
|
<< "#endif\n"
|
|
<< "\n";
|
|
}
|
|
|
|
|
|
void output_init_var(ostream& c_stream)
|
|
{
|
|
c_stream << "\n"
|
|
<< "static void init_" << family_name << "_vars()\n"
|
|
<< "{\n"
|
|
<< " static unsigned char init_done = 0;\n"
|
|
<< " if (!init_done)\n"
|
|
<< " {\n"
|
|
<< " init_done = 1;\n"
|
|
<< "\n";
|
|
for (str_array::iterator i = memsets.begin(); i != memsets.end(); i++)
|
|
{
|
|
c_stream << " " << *i << "\n";
|
|
}
|
|
c_stream << " }\n"
|
|
<< "}\n";
|
|
}
|
|
|
|
void output_array_write(ostream& c_stream, variable::ctype type)
|
|
{
|
|
if (variable::config_data.ctype_mult_used(type))
|
|
{
|
|
c_stream << "\n"
|
|
<< "static void write_" << variable::info[type].CTypeUnderscore << "_array(FILE *fp, const char *var_name, " << variable::info[type].CTypeSpace << " *var, size_t size, const char *comment)\n"
|
|
<< "{\n"
|
|
<< " size_t i;\n"
|
|
<< " fprintf(fp, \"%s=%" << variable::info[type].FormatChar << "\", var_name, (int)*var);\n"
|
|
<< " for (i = 1; i < size; i++)\n"
|
|
<< " {\n"
|
|
<< " fprintf(fp, \",%" << variable::info[type].FormatChar << "\", (int)(var[i]));\n"
|
|
<< " }\n"
|
|
<< " if (comment)\n"
|
|
<< " {\n"
|
|
<< " fprintf(fp, \" ;%s\", comment);\n"
|
|
<< " }\n"
|
|
<< " fprintf(fp, \"\\n\");\n"
|
|
<< "}\n";
|
|
}
|
|
}
|
|
|
|
void output_write_var(ostream& c_stream)
|
|
{
|
|
output_array_write(c_stream, variable::UC);
|
|
output_array_write(c_stream, variable::US);
|
|
output_array_write(c_stream, variable::UD);
|
|
output_array_write(c_stream, variable::SC);
|
|
output_array_write(c_stream, variable::SS);
|
|
output_array_write(c_stream, variable::SD);
|
|
|
|
c_stream << "\n"
|
|
<< "unsigned char write_" << family_name << "_vars(const char *file)\n"
|
|
<< "{\n"
|
|
<< " FILE *fp = 0;\n"
|
|
<< "\n"
|
|
<< " init_" << family_name << "_vars();\n"
|
|
<< "\n"
|
|
<< " if ((fp = fopen(file, \"w\")))\n"
|
|
<< " {\n";
|
|
for (variable::config_data_array::iterator i = variable::config_data.begin(); i != variable::config_data.end(); i++)
|
|
{
|
|
if (i->format == variable::none)
|
|
{
|
|
if (i->comment != "")
|
|
{
|
|
c_stream << " fprintf(fp, \";%s\\n\", " << encode_string(i->comment) << ");\n";
|
|
}
|
|
else
|
|
{
|
|
c_stream << " fprintf(fp, \"\\n\");\n";
|
|
}
|
|
}
|
|
else if (i->format == variable::mult)
|
|
{
|
|
c_stream << " write_" << variable::info[i->type].CTypeUnderscore
|
|
<< "_array(fp, \"" << i->name << "\", " << i->name << ", " << i->length << ", " << ((i->comment != "") ? encode_string(i->comment) : "0") << ");\n";
|
|
}
|
|
else
|
|
{
|
|
string config_comment = (i->comment != "") ? (string(" ;") + encode_string(i->comment, false)) : "";
|
|
c_stream << " fprintf(fp, \"" << i->name << "=";
|
|
if (i->format == variable::single)
|
|
{
|
|
c_stream << "%" << variable::info[i->type].FormatChar << config_comment << "\\n\", " << i->name;
|
|
}
|
|
else if (i->format == variable::quoted)
|
|
{
|
|
c_stream << "%s" << config_comment << "\\n\", encode_string(" << i->name << ")";
|
|
}
|
|
else if (i->format == variable::mult_packed)
|
|
{
|
|
c_stream << "%s" << config_comment << "\\n\", char_array_pack((char *)" << i->name << ", " << i->length << ")";
|
|
}
|
|
c_stream << ");\n";
|
|
}
|
|
}
|
|
c_stream << " fclose(fp);\n"
|
|
<< "\n"
|
|
<< " return(1);\n"
|
|
<< " }\n"
|
|
<< " return(0);\n"
|
|
<< "}\n";
|
|
}
|
|
|
|
void output_array_read(ostream& c_stream, variable::ctype type)
|
|
{
|
|
if (variable::config_data.ctype_mult_used(type))
|
|
{
|
|
c_stream << "\n"
|
|
<< "static void read_" << variable::info[type].CTypeUnderscore << "_array(char *line, " << variable::info[type].CTypeSpace << " *var, size_t size)\n"
|
|
<< "{\n"
|
|
<< " size_t i;\n"
|
|
<< " char *token;\n"
|
|
<< " *var = (" << variable::info[type].CTypeSpace << ")atoi(strtok(line, \", \\t\\r\\n\"));\n"
|
|
<< " for (i = 1; (i < size) && (token = strtok(0, \", \\t\\r\\n\")); i++)\n"
|
|
<< " {\n"
|
|
<< " var[i] = (" << variable::info[type].CTypeSpace << ")atoi(token);\n"
|
|
<< " }\n"
|
|
<< "}\n";
|
|
}
|
|
}
|
|
|
|
void output_read_var(ostream& c_stream)
|
|
{
|
|
output_array_read(c_stream, variable::UC);
|
|
output_array_read(c_stream, variable::US);
|
|
output_array_read(c_stream, variable::UD);
|
|
output_array_read(c_stream, variable::SC);
|
|
output_array_read(c_stream, variable::SS);
|
|
output_array_read(c_stream, variable::SD);
|
|
|
|
c_stream << "\n"
|
|
<< "unsigned char read_" << family_name << "_vars(const char *file)\n"
|
|
<< "{\n"
|
|
<< " FILE *fp = 0;\n"
|
|
<< "\n"
|
|
<< " init_" << family_name << "_vars();\n"
|
|
<< "\n"
|
|
<< " if (!(fp = fopen(file, \"r\")))\n"
|
|
<< " {\n"
|
|
<< " write_" << family_name << "_vars(file);\n"
|
|
<< " return(0);\n"
|
|
<< " }\n"
|
|
<< "\n"
|
|
<< " while (!feof(fp))\n"
|
|
<< " {\n"
|
|
<< " char *p, *var, *value;\n"
|
|
<< "\n"
|
|
<< " fgets(line, LINE_LENGTH, fp);\n"
|
|
<< " if ((p = find_str(line, \";\"))) { *p = 0; }\n"
|
|
<< " if ((p = strchr(line, '=')))\n"
|
|
<< " {\n"
|
|
<< " *p = 0;\n"
|
|
<< " var = line;\n"
|
|
<< " value = p+1;\n"
|
|
<< " while (isspace(*var)) { var++; }\n"
|
|
<< " while (isspace(*value)) { value++; }\n"
|
|
<< " if ((p = find_str(var, \" \\t\\r\\n\"))) { *p = 0; }\n"
|
|
<< " if ((p = find_str(value, \" \\t\\r\\n\"))) { *p = 0; }\n"
|
|
<< " if (!*var || !*value) { continue; }\n"
|
|
<< " }\n"
|
|
<< " else\n"
|
|
<< " {\n"
|
|
<< " continue;\n"
|
|
<< " }\n"
|
|
<< "\n";
|
|
for (variable::config_data_array::iterator i = variable::config_data.begin(); i != variable::config_data.end(); i++)
|
|
{
|
|
if (i->format != variable::none)
|
|
{
|
|
c_stream << " if (!strcmp(var, \"" + i->name + "\")) { ";
|
|
if (i->format == variable::single)
|
|
{
|
|
c_stream << i->name << " = (" << variable::info[i->type].CTypeSpace << ")atoi(value);";
|
|
}
|
|
else if (i->format == variable::mult)
|
|
{
|
|
c_stream << "read_" << variable::info[i->type].CTypeUnderscore
|
|
<< "_array(value, " << i->name << ", " << i->length << ");";
|
|
}
|
|
else if (i->format == variable::quoted)
|
|
{
|
|
c_stream << "*" << i->name << " = 0; "
|
|
<< "strncat(" << i->name << ", decode_string(value), sizeof(" << i->name << ")-1);";
|
|
}
|
|
else if (i->format == variable::mult_packed)
|
|
{
|
|
c_stream << "memcpy(" << i->name << ", char_array_unpack(value), " << i->length << ");";
|
|
}
|
|
c_stream << " continue; }\n";
|
|
}
|
|
}
|
|
c_stream << " }\n"
|
|
<< "\n"
|
|
<< " fclose(fp);\n"
|
|
<< " write_" << family_name << "_vars(file);\n"
|
|
<< " return(1);\n"
|
|
<< "}\n";
|
|
}
|
|
|
|
void handle_directive(char *instruction, char *label)
|
|
{
|
|
if (!strcasecmp(instruction, "define"))
|
|
{
|
|
if (label)
|
|
{
|
|
defines.insert(label);
|
|
}
|
|
else
|
|
{
|
|
current_location.error("Could not get define label");
|
|
}
|
|
}
|
|
else if (!strcasecmp(instruction, "undef"))
|
|
{
|
|
if (label)
|
|
{
|
|
defines.erase(label);
|
|
}
|
|
else
|
|
{
|
|
current_location.error("Could not get undefine label");
|
|
}
|
|
}
|
|
else if (!strcasecmp(instruction, "ifdef"))
|
|
{
|
|
if (label)
|
|
{
|
|
if (defines.find(label) != defines.end())
|
|
{
|
|
ifs.push(true);
|
|
}
|
|
else
|
|
{
|
|
ifs.push(false);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
current_location.error("Could not get ifdef label");
|
|
}
|
|
}
|
|
else if (!strcasecmp(instruction, "ifndef"))
|
|
{
|
|
if (label)
|
|
{
|
|
if (defines.find(label) == defines.end())
|
|
{
|
|
ifs.push(true);
|
|
}
|
|
else
|
|
{
|
|
ifs.push(false);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
current_location.error("Could not get ifndef label");
|
|
}
|
|
}
|
|
else if (!strcasecmp(instruction, "else"))
|
|
{
|
|
if (label)
|
|
{
|
|
current_location.error("Processor directive else does not accept labels");
|
|
}
|
|
else
|
|
{
|
|
if (ifs.empty())
|
|
{
|
|
current_location.error("Processor directive else without ifdef");
|
|
}
|
|
else
|
|
{
|
|
bool process = !ifs.top();
|
|
ifs.pop();
|
|
ifs.push(process);
|
|
}
|
|
}
|
|
}
|
|
else if (!strcasecmp(instruction, "elifdef") || !strcasecmp(instruction, "elseifdef"))
|
|
{
|
|
if (label)
|
|
{
|
|
if (ifs.top())
|
|
{
|
|
ifs.pop();
|
|
ifs.push(false);
|
|
}
|
|
else if (defines.find(label) != defines.end())
|
|
{
|
|
ifs.pop();
|
|
ifs.push(true);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
current_location.error("Could not get elseifdef label");
|
|
}
|
|
|
|
}
|
|
else if (!strcasecmp(instruction, "endif"))
|
|
{
|
|
if (label)
|
|
{
|
|
current_location.error("Processor directive endif does not accept labels");
|
|
}
|
|
else
|
|
{
|
|
if (ifs.empty())
|
|
{
|
|
current_location.error("Processor directive endif without ifdef");
|
|
}
|
|
else
|
|
{
|
|
ifs.pop();
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
current_location.error("Unknown processor directive");
|
|
}
|
|
}
|
|
|
|
//Return the comment from global line variable
|
|
char *get_comment(char comment_seperator)
|
|
{
|
|
char *comment = find_chr(line, comment_seperator);
|
|
if (comment)
|
|
{
|
|
*comment = 0;
|
|
comment++;
|
|
if (isspace(comment[strlen(comment)-1]))
|
|
{
|
|
comment[strlen(comment)-1] = 0;
|
|
}
|
|
}
|
|
return(comment);
|
|
}
|
|
|
|
void output_parser_comment(ostream& c_stream, const char *comment)
|
|
{
|
|
if (comment)
|
|
{
|
|
c_stream << " //" << comment;
|
|
}
|
|
c_stream << "\n";
|
|
}
|
|
|
|
#define CONFIG_COMMENT (config_comment ? config_comment : "")
|
|
|
|
void parser_generate(istream& psr_stream, ostream& c_stream, ostream& cheader_stream)
|
|
{
|
|
current_location.line_number = current_location.column_number = 0;
|
|
|
|
output_parser_start(c_stream);
|
|
|
|
if (cheader_stream)
|
|
{
|
|
output_cheader_start(cheader_stream);
|
|
}
|
|
|
|
while (!psr_stream.eof())
|
|
{
|
|
char *token;
|
|
char *parser_comment;
|
|
char *config_comment;
|
|
|
|
psr_stream.getline(line, LINE_LENGTH);
|
|
current_location.line_number++;
|
|
|
|
parser_comment = get_comment(';');
|
|
|
|
if (all_spaces(line))
|
|
{
|
|
output_parser_comment(c_stream, parser_comment);
|
|
continue;
|
|
}
|
|
|
|
config_comment = get_comment('@');
|
|
|
|
if (all_spaces(line) && config_comment)
|
|
{
|
|
variable::config_data.add_comment(config_comment);
|
|
continue;
|
|
}
|
|
|
|
if ((token = get_token(line, " ")) &&
|
|
(strcasecmp(token, "NEWSYM") || (token = get_token(0, " ,"))))
|
|
{
|
|
if ((*token == '#') || (*token == '%'))
|
|
{
|
|
handle_directive(token+1, get_token(0, " "));
|
|
continue;
|
|
}
|
|
|
|
if (!ifs.empty() && !ifs.top())
|
|
{
|
|
continue;
|
|
}
|
|
|
|
string varname = token;
|
|
|
|
if ((token = get_token(0, " ,")))
|
|
{
|
|
size_t array = 0;
|
|
bool is_array = !strcasecmp(token, "times");
|
|
bool is_packed = !strcasecmp(token, "packed");
|
|
if ((!is_array && !is_packed) ||
|
|
((token = get_token(0, " ")) && (array = enhanced_atoi(token)) && (token = get_token(0, " "))))
|
|
{
|
|
char *asm_type = token;
|
|
char *var_type = convert_asm_type(asm_type);
|
|
|
|
if (var_type)
|
|
{
|
|
string initial_value = get_token(0, " ,\n");
|
|
ostringstream var_init("");
|
|
|
|
if (((initial_value[0] == '\"') && (initial_value[initial_value.length()-1] == '\"')) ||
|
|
((initial_value[0] == '\'') && (initial_value[initial_value.length()-1] == '\'')))
|
|
{
|
|
//Make sure it's double quoted
|
|
initial_value[0] = '\"';
|
|
initial_value[initial_value.length()-1] = '\"';
|
|
|
|
if (!array)
|
|
{
|
|
array = initial_value.length()-1; //Size minus quotes plus null
|
|
}
|
|
|
|
var_init << "char " << varname << "[" << array << "];";
|
|
|
|
ostringstream memset_line;
|
|
|
|
if (initial_value.length()-2 < array)
|
|
{
|
|
memset_line << "strcpy(" << varname << ", " << initial_value << ");";
|
|
}
|
|
else
|
|
{
|
|
memset_line << "strncpy(" << varname << ", " << initial_value << ", " << (array-1) << "); "
|
|
<< varname << "[" << array << "] = 0;";
|
|
}
|
|
memsets.push_back(memset_line.str());
|
|
variable::config_data.add_var_quoted(varname, CONFIG_COMMENT);
|
|
}
|
|
else
|
|
{
|
|
ssize_t init_value_num = safe_atoi(initial_value);
|
|
|
|
if (init_value_num < 0)
|
|
{
|
|
var_type += strlen("unsigned ");
|
|
}
|
|
|
|
var_init << var_type << " " << varname;
|
|
if (array)
|
|
{
|
|
if (var_type_is_char(var_type) || !init_value_num)
|
|
{
|
|
var_init << "[" << array << "]";
|
|
|
|
ostringstream memset_line;
|
|
memset_line << "memset(" << varname << ", " << init_value_num << ", " << array;
|
|
|
|
if (var_type_is_short(var_type))
|
|
{
|
|
memset_line << short_scale;
|
|
}
|
|
else if (var_type_is_int(var_type))
|
|
{
|
|
memset_line << int_scale;
|
|
}
|
|
|
|
memset_line << ");";
|
|
memsets.push_back(memset_line.str());
|
|
}
|
|
else
|
|
{
|
|
var_init << "[" << array << "] = {";
|
|
for (size_t i = array; i > 1; i--)
|
|
{
|
|
c_stream << init_value_num << ",";
|
|
}
|
|
var_init << init_value_num << "%d}";
|
|
}
|
|
|
|
if (is_array)
|
|
{
|
|
variable::config_data.add_var_mult(varname, var_type, array, CONFIG_COMMENT);
|
|
}
|
|
else if (is_packed)
|
|
{
|
|
variable::config_data.add_var_packed(varname, array, CONFIG_COMMENT);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ((token = get_token(0, " ,\n")))
|
|
{
|
|
array = 1;
|
|
var_init << "[] = {" << init_value_num;
|
|
do
|
|
{
|
|
var_init << "," << atoi(token);
|
|
array++;
|
|
} while((token = get_token(0, " ,\n")));
|
|
var_init << "}";
|
|
|
|
variable::config_data.add_var_mult(varname, var_type, array, CONFIG_COMMENT);
|
|
}
|
|
else
|
|
{
|
|
var_init << " = " << init_value_num;
|
|
|
|
variable::config_data.add_var_single(varname, var_type, CONFIG_COMMENT);
|
|
}
|
|
}
|
|
var_init << ";";
|
|
}
|
|
|
|
c_stream << var_init.str();
|
|
|
|
if (cheader_stream)
|
|
{
|
|
string header_data = var_init.str();
|
|
size_t equal_pos;
|
|
if ((equal_pos = header_data.find("=")) != string::npos)
|
|
{
|
|
header_data.erase(equal_pos-1);
|
|
header_data.append(";");
|
|
}
|
|
cheader_stream << "extern " << header_data << "\n";
|
|
}
|
|
}
|
|
//Else already handled
|
|
}
|
|
else
|
|
{
|
|
current_location.error("Could not get array size");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
current_location.error("Could not get type");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
current_location.error("Could not get variable name");
|
|
}
|
|
|
|
output_parser_comment(c_stream, parser_comment);
|
|
}
|
|
|
|
output_init_var(c_stream);
|
|
output_write_var(c_stream);
|
|
output_read_var(c_stream);
|
|
|
|
c_stream << "\n";
|
|
|
|
if (cheader_stream)
|
|
{
|
|
output_cheader_end(cheader_stream);
|
|
}
|
|
|
|
if (!ifs.empty())
|
|
{
|
|
cerr << "Error: " << ifs.size() << " ifdef segments have no endif." << endl;
|
|
}
|
|
}
|
|
|
|
int main(size_t argc, const char **argv)
|
|
{
|
|
const char *cheader_file = 0;
|
|
bool compile = false;
|
|
|
|
size_t param_pos = 1;
|
|
for (; param_pos < argc; param_pos++)
|
|
{
|
|
if (!strncmp(argv[param_pos], "-D", 2))
|
|
{
|
|
defines.insert(argv[param_pos]+2);
|
|
}
|
|
else if (!strcmp(argv[param_pos], "-cheader"))
|
|
{
|
|
param_pos++;
|
|
cheader_file = argv[param_pos];
|
|
}
|
|
else if (!strcmp(argv[param_pos], "-compile"))
|
|
{
|
|
compile = true;
|
|
}
|
|
else if (!strcmp(argv[param_pos], "-fname"))
|
|
{
|
|
param_pos++;
|
|
family_name = argv[param_pos];
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ((argc-param_pos) != 2)
|
|
{
|
|
cout << "Config file handler creator by Nach (C) 2005-2006\n"
|
|
<< "\n"
|
|
<< "Usage:\n"
|
|
<< "parsegen [options] <output> <input>\n"
|
|
<< "\n"
|
|
<< "\n"
|
|
<< "Options:\n"
|
|
<< "\n"
|
|
<< " -Ddefine Define a processor director. Example: -D__MSDOS__\n"
|
|
<< " Can specify multiple defines.\n"
|
|
<< "\n"
|
|
<< " -cheader Create a C/C++ header with the following name.\n"
|
|
<< " Example -cheader cfgvars.h\n"
|
|
<< "\n"
|
|
<< " -fname Use the following name for the main functions.\n"
|
|
<< " Example -fname math\n"
|
|
<< " Would make init_cfg_vars become init_math_vars the\n"
|
|
<< " happens to write_cfg_vars and read_cfg_vars.\n"
|
|
<< "\n"
|
|
<< endl;
|
|
|
|
return(1);
|
|
}
|
|
|
|
const char *psr_file = argv[param_pos+1], *c_file = compile ? "psrtemp.c" : argv[param_pos];
|
|
const char *obj_file = compile ? argv[param_pos] : 0;
|
|
int ret_val = 0;
|
|
|
|
ifstream psr_stream(psr_file);
|
|
if (psr_stream)
|
|
{
|
|
ofstream c_stream(c_file);
|
|
if (c_stream)
|
|
{
|
|
ofstream cheader_stream;
|
|
if (cheader_file)
|
|
{
|
|
cheader_stream.open(cheader_file);
|
|
if (cheader_stream)
|
|
{
|
|
parser_generate(psr_stream, c_stream, cheader_stream);
|
|
}
|
|
else
|
|
{
|
|
cerr << "Error opening " << cheader_file << " for writing." << endl;
|
|
ret_val |= 8;
|
|
}
|
|
|
|
cheader_stream.close();
|
|
}
|
|
else
|
|
{
|
|
parser_generate(psr_stream, c_stream, cheader_stream);
|
|
}
|
|
c_stream.close();
|
|
}
|
|
else
|
|
{
|
|
cerr << "Error opening " << c_file << " for writing." << endl;
|
|
ret_val |= 2;
|
|
}
|
|
|
|
psr_stream.close();
|
|
}
|
|
else
|
|
{
|
|
cerr << "Error opening " << psr_file << " for reading." << endl;
|
|
ret_val |= 4;
|
|
}
|
|
|
|
if (!ret_val && compile)
|
|
{
|
|
cout << COMPILE_OBJ("psrtemp.obj", "psrtemp.c") << "\n";
|
|
system(COMPILE_OBJ("psrtemp.obj", "psrtemp.c"));
|
|
remove("psrtemp.c");
|
|
cout << "Renaming psrtemp.obj to " << obj_file << endl;
|
|
rename("psrtemp.obj", obj_file);
|
|
}
|
|
|
|
return(ret_val);
|
|
}
|
|
|