1193 lines
30 KiB
C++
1193 lines
30 KiB
C++
/*
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Copyright (C) 2005 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
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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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#define LINE_LENGTH 2048*10
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char line[LINE_LENGTH];
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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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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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enum cfg_value_type { single_value, quoted_value, parameterized_value };
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class variable_type
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{
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public:
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enum v_type { UC, US, UD, SC, SS, SD };
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variable_type(v_type type) : type(type) {}
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v_type getOType() { return(type); }
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const char *getCType(bool);
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char getFChar();
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bool is_signed();
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private:
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v_type type;
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};
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const char *variable_type::getCType(bool underscore)
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{
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if (underscore)
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{
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switch (type)
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{
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case SC: return("char");
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case SS: return("short");
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case SD: return("int");
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case UC: return("unsigned_char");
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case US: return("unsigned_short");
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case UD: return("unsigned_int");
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}
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}
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else
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{
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switch (type)
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{
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case SC: return("char");
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case SS: return("short");
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case SD: return("int");
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case UC: return("unsigned char");
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case US: return("unsigned short");
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case UD: return("unsigned int");
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}
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}
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return("");
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}
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char variable_type::getFChar()
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{
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return(is_signed() ? 'd' : 'u');
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}
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bool variable_type::is_signed()
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{
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switch (type)
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{
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case SC: case SS: case SD: return(true);
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default: return(false);
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}
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}
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struct full_type
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{
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variable_type::v_type object;
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cfg_value_type type;
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full_type(variable_type::v_type object, cfg_value_type type) : object(object), type(type) {}
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bool operator==(const full_type& ft) const { return((ft.object == object) && (ft.type == type)); }
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};
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struct cfg_var_struct
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{
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string name;
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variable_type object;
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cfg_value_type type;
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size_t size;
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cfg_var_struct(string& name, variable_type::v_type object, cfg_value_type val, size_t size) :
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name(name), object(object), type(val), size(size)
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{
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}
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bool operator==(const string& name) const { return(this->name == name); }
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bool operator==(const full_type& ft) { return(ft == full_type(object.getOType(), type)); }
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};
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typedef vector<cfg_var_struct> cfg_var_array;
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static class
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{
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private:
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cfg_var_array array;
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public:
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void add(string& name, variable_type::v_type object, cfg_value_type val, size_t size)
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{
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cfg_var_struct var(name, object, val, size);
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if (find(array.begin(), array.end(), name) == array.end())
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{
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array.push_back(var);
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}
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else
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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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}
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}
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void add(string& name, const char *str, cfg_value_type val, size_t size)
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{
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if (!strcmp(str, "char")) { add(name, variable_type::SC, val, size); }
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else if (!strcmp(str, "short")) { add(name, variable_type::SS, val, size); }
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else if (!strcmp(str, "int")) { add(name, variable_type::SD, val, size); }
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else if (!strcmp(str, "unsigned char")) { add(name, variable_type::UC, val, size); }
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else if (!strcmp(str, "unsigned short")) { add(name, variable_type::US, val, size); }
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else if (!strcmp(str, "unsigned int")) { add(name, variable_type::UD, val, size); }
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else
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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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}
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bool type_used_array(const full_type& ft)
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{
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return(find(array.begin(), array.end(), ft) != array.end());
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}
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cfg_var_array::iterator begin() { return(array.begin()); }
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cfg_var_array::iterator end() { return(array.end()); }
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} cfg_var;
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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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}
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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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#ifdef _MSC_VER //MSVC
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system("cl /nologo /Feeatio.exe eatio.c");
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#else
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system("gcc -o eatio.exe eatio.c -s");
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#endif
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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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#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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//Return the comment from global line variable
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char *get_comment()
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{
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char *comment = find_chr(line, ';');
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if (comment)
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{
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*comment = 0;
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comment++;
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if (isspace(comment[strlen(comment)-1]))
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{
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comment[strlen(comment)-1] = 0;
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}
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}
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return(comment);
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}
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void output_comment(ostream& c_stream, const char *comment)
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{
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if (comment)
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{
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c_stream << " //" << comment;
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}
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c_stream << "\n";
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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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//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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<< "\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"
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<< " }\n"
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<< " if (*str == '\\\\')\n"
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<< " {\n"
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<< " if (str[1])\n"
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<< " {\n"
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<< " str++;\n"
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<< " }\n"
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<< " else\n"
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<< " {\n"
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<< " break;\n"
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<< " }\n"
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<< " }\n"
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<< " str++;\n"
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<< " }\n"
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<< " return(pos);\n"
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<< "}\n"
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<< "\n"
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<< "static char *find_str(char *str, char *match_str)\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 (strchr(match_str, *str))\n"
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<< " {\n"
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|
<< " 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"
|
|
<< "\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_cfg_vars(const char *);\n"
|
|
<< "unsigned char write_cfg_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_cfg_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_type::v_type v_type)
|
|
{
|
|
if (cfg_var.type_used_array(full_type(v_type, parameterized_value)))
|
|
{
|
|
variable_type type(v_type);
|
|
|
|
c_stream << "\n"
|
|
<< "static void write_" << type.getCType(true) << "_array(FILE *fp, const char *var_name, " << type.getCType(false) << " *var, size_t size)\n"
|
|
<< "{\n"
|
|
<< " size_t i;\n"
|
|
<< " fprintf(fp, \"%s=%" << type.getFChar() << "\", var_name, (int)*var);\n"
|
|
<< " for (i = 1; i < size; i++)\n"
|
|
<< " {\n"
|
|
<< " fprintf(fp, \",%" << type.getFChar() << "\", (int)(var[i]));\n"
|
|
<< " }\n"
|
|
<< " fprintf(fp, \"\\n\");\n"
|
|
<< "}\n";
|
|
}
|
|
}
|
|
|
|
void output_write_var(ostream& c_stream)
|
|
{
|
|
output_array_write(c_stream, variable_type::UC);
|
|
output_array_write(c_stream, variable_type::US);
|
|
output_array_write(c_stream, variable_type::UD);
|
|
output_array_write(c_stream, variable_type::SC);
|
|
output_array_write(c_stream, variable_type::SS);
|
|
output_array_write(c_stream, variable_type::SD);
|
|
|
|
c_stream << "\n"
|
|
<< "unsigned char write_cfg_vars(const char *file)\n"
|
|
<< "{\n"
|
|
<< " FILE *fp = 0;\n"
|
|
<< "\n"
|
|
<< " init_cfg_vars();\n"
|
|
<< "\n"
|
|
<< " if ((fp = fopen(file, \"w\")))\n"
|
|
<< " {\n";
|
|
for (cfg_var_array::iterator i = cfg_var.begin(); i != cfg_var.end(); i++)
|
|
{
|
|
if (i->type == parameterized_value)
|
|
{
|
|
c_stream << " write_" << i->object.getCType(true)
|
|
<< "_array(fp, \"" << i->name << "\", " << i->name << ", " << i->size << ");\n";
|
|
}
|
|
else
|
|
{
|
|
c_stream << " fprintf(fp, \"" << i->name << "=";
|
|
if (i->type == single_value)
|
|
{
|
|
c_stream << "%" << i->object.getFChar() << "\\n\", " << i->name;
|
|
}
|
|
else
|
|
{
|
|
c_stream << "%s\\n\", encode_string(" << i->name << ")";
|
|
}
|
|
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_type::v_type v_type)
|
|
{
|
|
if (cfg_var.type_used_array(full_type(v_type, parameterized_value)))
|
|
{
|
|
variable_type type(v_type);
|
|
|
|
c_stream << "\n"
|
|
<< "static void read_" << type.getCType(true) << "_array(char *line, " << type.getCType(false) << " *var, size_t size)\n"
|
|
<< "{\n"
|
|
<< " size_t i;\n"
|
|
<< " char *token;\n"
|
|
<< " *var = (" << type.getCType(false) << ")atoi(strtok(line, \", \\t\\r\\n\"));\n"
|
|
<< " for (i = 1; (i < size) && (token = strtok(0, \", \\t\\r\\n\")); i++)\n"
|
|
<< " {\n"
|
|
<< " var[i] = (" << type.getCType(false) << ")atoi(token);\n"
|
|
<< " }\n"
|
|
<< "}\n";
|
|
}
|
|
}
|
|
|
|
void output_read_var(ostream& c_stream)
|
|
{
|
|
output_array_read(c_stream, variable_type::UC);
|
|
output_array_read(c_stream, variable_type::US);
|
|
output_array_read(c_stream, variable_type::UD);
|
|
output_array_read(c_stream, variable_type::SC);
|
|
output_array_read(c_stream, variable_type::SS);
|
|
output_array_read(c_stream, variable_type::SD);
|
|
|
|
c_stream << "\n"
|
|
<< "unsigned char read_cfg_vars(const char *file)\n"
|
|
<< "{\n"
|
|
<< " FILE *fp = 0;\n"
|
|
<< "\n"
|
|
<< " init_cfg_vars();\n"
|
|
<< "\n"
|
|
<< " if (!(fp = fopen(file, \"r\")))\n"
|
|
<< " {\n"
|
|
<< " write_cfg_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 (cfg_var_array::iterator i = cfg_var.begin(); i != cfg_var.end(); i++)
|
|
{
|
|
c_stream << " if (!strcmp(var, \"" + i->name + "\")) { ";
|
|
if (i->type == single_value)
|
|
{
|
|
c_stream << i->name << " = (" << i->object.getCType(false) << ")atoi(value);";
|
|
}
|
|
else if (i->type == parameterized_value)
|
|
{
|
|
c_stream << "read_" << i->object.getCType(true)
|
|
<< "_array(value, " << i->name << ", " << i->size << ");";
|
|
}
|
|
else
|
|
{
|
|
c_stream << "*" << i->name << " = 0; "
|
|
<< "strncat(" << i->name << ", decode_string(value), sizeof(" << i->name << ")-1);";
|
|
}
|
|
c_stream << " }\n";
|
|
}
|
|
c_stream << " }\n"
|
|
<< "\n"
|
|
<< " fclose(fp);\n"
|
|
<< " write_cfg_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, "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");
|
|
}
|
|
}
|
|
|
|
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 *comment;
|
|
|
|
psr_stream.getline(line, LINE_LENGTH);
|
|
current_location.line_number++;
|
|
|
|
comment = get_comment();
|
|
|
|
if (all_spaces(line))
|
|
{
|
|
output_comment(c_stream, 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;
|
|
if (strcasecmp(token, "times") ||
|
|
((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());
|
|
|
|
cfg_var.add(varname, variable_type::SC, quoted_value, 0);
|
|
}
|
|
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}";
|
|
}
|
|
|
|
cfg_var.add(varname, var_type, parameterized_value, array);
|
|
}
|
|
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 << "}";
|
|
|
|
cfg_var.add(varname, var_type, parameterized_value, array);
|
|
}
|
|
else
|
|
{
|
|
var_init << " = " << init_value_num;
|
|
|
|
cfg_var.add(varname, var_type, single_value, 0);
|
|
}
|
|
}
|
|
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_comment(c_stream, 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;
|
|
|
|
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
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ((argc-param_pos) != 2)
|
|
{
|
|
cout << "Config file handler creator by Nach (C) 2005\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"
|
|
<< endl;
|
|
|
|
return(1);
|
|
}
|
|
|
|
const char *psr_file = argv[param_pos+1], *c_file = argv[param_pos];
|
|
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;
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|