Use lex/yacc for parsing the config file. Re-work the config file

format using a more human-readable format.

Read part descriptions from the config file now instead of hard-coding
them.

Update usage().

Cleanup unused code.


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@79 81a1dc3b-b13d-400b-aceb-764788c761c2

config.h

@@ -0,0 +1,84 @@
+/* $Id$ */
+
+#ifndef __config_h__
+#define __config_h__
+
+#include "lists.h"
+#include "pindefs.h"
+#include "avr.h"
+
+
+#define MAX_STR_CONST 1024
+
+enum { V_NONE, V_NUM, V_STR };
+typedef struct value_t {
+  int      type;
+  double   number;
+  char   * string;
+} VALUE;
+
+
+typedef struct token_t {
+  int primary;
+  VALUE value;
+} TOKEN;
+
+
+#define PGM_DESCLEN 80
+typedef struct programmer_t {
+  LISTID id;
+  char desc[PGM_DESCLEN];
+  unsigned int pinno[N_PINS];
+} PROGRAMMER;
+
+extern FILE       * yyin;
+extern PROGRAMMER * current_prog;
+extern AVRPART    * current_part;
+extern int          current_mem;
+extern LISTID       programmers;
+extern LISTID       part_list;
+extern int          lineno;
+extern char       * infile;
+extern LISTID       string_list;
+extern LISTID       number_list;
+
+#if 0
+#define YYSTYPE struct token_t *
+#endif
+extern YYSTYPE yylval;
+
+extern char string_buf[MAX_STR_CONST];
+extern char *string_buf_ptr;
+
+int yyparse(void);
+
+
+int init_config(void);
+
+TOKEN * new_token(int primary);
+
+void free_token(TOKEN * tkn);
+
+void free_tokens(int n, ...);
+
+TOKEN * number(char * text);
+
+TOKEN * hexnumber(char * text);
+
+TOKEN * string(char * text);
+
+TOKEN * id(char * text);
+
+TOKEN * keyword(int primary);
+
+void print_token(TOKEN * tkn);
+
+PROGRAMMER * new_programmer(void);
+
+AVRPART * new_part(void);
+
+AVRPART * dup_part(AVRPART * d);
+
+char * dup_string(char * str);
+
+#endif