diff options
| -rw-r--r-- | Makefile | 20 | ||||
| -rw-r--r-- | config_test1 | 13 | ||||
| -rw-r--r-- | kconf2h.c | 50 | ||||
| -rw-r--r-- | kconf2h.h | 10 | ||||
| -rw-r--r-- | kconf2h_parser.c | 327 | ||||
| -rw-r--r-- | kconf2h_parser.ragel | 124 |
6 files changed, 544 insertions, 0 deletions
diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..b5a42c3 --- /dev/null +++ b/Makefile @@ -0,0 +1,20 @@ +PROJECT=kconf2h +CC=gcc +CFLAGS= +SOURCES=$(PROJECT)_parser.c +OBJECTS=$(SOURCES:.c=.o) + +all: clean ragel $(OBJECTS) $(PROJECT) + +$(PROJECT): + $(CC) $(CFLAGS) $(OBJECTS) $(PROJECT).c -o $(PROJECT) + +ragel: + ragel $(PROJECT)_parser.ragel + +%.o: %.c + $(CC) $(CFLAGS) -c $< + +clean: + rm -f $(PROJECT) + rm -f *.o diff --git a/config_test1 b/config_test1 new file mode 100644 index 0000000..e2daaa1 --- /dev/null +++ b/config_test1 @@ -0,0 +1,13 @@ +# +# Automatically generated file; DO NOT EDIT. +# Linux Kernel Configuration +# +CONFIG_DEBUG=y +CONFIG_DEBUG_PRINT=y +CONFIG_DEBUG_COLORIZE=y +CONFIG_DEBUG_PRINT_LINE_NUM=y +CONFIG_DEBUG_PRINT_FILE_NAME=y +CONFIG_MEMLEAK=y +# CONFIG_MEMLEAK_PLAIN is not set +CONFIG_MEMLEAK_PLAIN_SAFE=y +# CONFIG_MEMLEAK_RECORD is not set diff --git a/kconf2h.c b/kconf2h.c new file mode 100644 index 0000000..91ef6c7 --- /dev/null +++ b/kconf2h.c @@ -0,0 +1,50 @@ +#include <stdio.h> +#include <stdlib.h> + +#include <sys/stat.h> + +#include "kconf2h.h" + +int main( int argc, char **argv ) +{ + FILE *fin = NULL; + FILE *fout = NULL; + struct stat st; + + char *buf=NULL; + if ( argc == 3 ) + { + fin = fopen( argv[1], "r+" ); + fout = fopen( argv[2], "w+" ); + fseek( fin, 0, SEEK_SET ); + if ( fin && fout ) + { + if ( stat( argv[1], &st ) ) + { + goto error_exit; + } + buf = malloc( st.st_size ); memset( buf, 0, st.st_size ); + size_t r_size = fread( buf, 1, st.st_size, fin ); + if ( r_size > 0 ) + { + int ret = parse_kconf2h( buf, fout ); + printf("Kconfig file parsed %d %d bytes\n", ret, r_size ); + } else + { + printf("ERR: while reading file %s [%d]\n", argv[1], r_size); + } +error_exit: + if ( buf ) free( buf ); + fclose( fin ); + fclose( fout ); + } else + { + printf("ERR: Cannot open file\n"); + } + } else + { + printf("ERR: usage ./kconf2h [conffile] [outputheader]\n"); + return -1; + } + return 0; +} diff --git a/kconf2h.h b/kconf2h.h new file mode 100644 index 0000000..165d4cc --- /dev/null +++ b/kconf2h.h @@ -0,0 +1,10 @@ +#ifndef __KCONF2H_H +#define __KCONF2H_H + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +int parse_kconf2h( const char*, FILE* ); + +#endif diff --git a/kconf2h_parser.c b/kconf2h_parser.c new file mode 100644 index 0000000..6a25dbc --- /dev/null +++ b/kconf2h_parser.c @@ -0,0 +1,327 @@ + +#line 1 "kconf2h_parser.ragel" +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <string.h> + +#include "kconf2h.h" + +#define TYPE_YM 1 +#define TYPE_HEX 2 +#define TYPE_STR 3 +#define TYPE_DEC 4 + +char *new_string( const char *start, const char *end ) +{ + int str_s = end-start+1; + char *new_str=malloc( str_s+1 ); + memcpy( new_str, start, str_s ); + if ( new_str != NULL ) + new_str[str_s]=0x0; + return new_str; +} + +int o_head_def( FILE *f, int type, const char *s_define, const char *e_define, + const char *s_value, const char *e_value ) +{ + if ( f != NULL ) + { + if ( (s_define != NULL) && (e_define != NULL) && (s_define <= e_define) && + (s_value != NULL) && ( e_value != NULL ) && ( s_value <= e_value )) + { + char *def = new_string( s_define, e_define ); + char *val = NULL; + //printf( "%s\n", def ); + fprintf( f, "#define %s", def ); + free( def ); + + if ( type != TYPE_YM ) + { + val = new_string( s_value, e_value ); + fprintf( f, " %s", val ); + free( val ); + } + /* + switch ( type ) + { + case TYPE_HEX: + fprintf( f, " %s", val ); + break; + case TYPE_STR: + fprintf( f, " %s", val ); + break; + case TYPE_DEC: + fprintf( f, " %s", val ); + break; + default: + printf("Unknown Kconfig type %d\n", type); + } + */ + + fprintf( f, "\n" ); + return 1; + } + } + return 0; +} + + +#line 71 "kconf2h_parser.c" +static const char _k2h_actions[] = { + 0, 1, 0, 1, 2, 1, 7, 1, + 11, 2, 9, 1, 4, 3, 8, 10, + 11, 4, 4, 8, 10, 11, 4, 5, + 8, 10, 11, 4, 6, 8, 10, 11 + +}; + +static const char _k2h_key_offsets[] = { + 0, 0, 3, 6, 7, 8, 9, 10, + 11, 12, 17, 23, 30, 33, 37, 39, + 42, 46, 52, 59, 60 +}; + +static const char _k2h_trans_keys[] = { + 10, 35, 67, 10, 32, 126, 79, 78, + 70, 73, 71, 95, 95, 48, 57, 65, + 90, 61, 95, 48, 57, 65, 90, 34, + 45, 48, 109, 121, 49, 57, 34, 32, + 126, 10, 34, 32, 126, 48, 57, 10, + 48, 57, 10, 120, 48, 57, 48, 57, + 65, 70, 97, 102, 10, 48, 57, 65, + 70, 97, 102, 10, 10, 35, 67, 0 +}; + +static const char _k2h_single_lengths[] = { + 0, 3, 1, 1, 1, 1, 1, 1, + 1, 1, 2, 5, 1, 2, 0, 1, + 2, 0, 1, 1, 3 +}; + +static const char _k2h_range_lengths[] = { + 0, 0, 1, 0, 0, 0, 0, 0, + 0, 2, 2, 1, 1, 1, 1, 1, + 1, 3, 3, 0, 0 +}; + +static const char _k2h_index_offsets[] = { + 0, 0, 4, 7, 9, 11, 13, 15, + 17, 19, 23, 28, 35, 38, 42, 44, + 47, 51, 55, 60, 62 +}; + +static const char _k2h_indicies[] = { + 0, 2, 3, 1, 0, 4, 1, 5, + 1, 6, 1, 7, 1, 8, 1, 9, + 1, 10, 1, 11, 11, 11, 1, 12, + 11, 11, 11, 1, 13, 14, 15, 17, + 17, 16, 1, 19, 18, 1, 20, 19, + 18, 1, 21, 1, 22, 21, 1, 22, + 23, 21, 1, 24, 24, 24, 1, 25, + 24, 24, 24, 1, 26, 1, 0, 2, + 3, 1, 0 +}; + +static const char _k2h_trans_targs[] = { + 20, 0, 2, 3, 2, 4, 5, 6, + 7, 8, 9, 10, 11, 12, 14, 16, + 15, 19, 12, 13, 20, 15, 20, 17, + 18, 20, 20 +}; + +static const char _k2h_trans_actions[] = { + 7, 0, 1, 9, 0, 0, 0, 0, + 0, 0, 0, 0, 3, 5, 5, 5, + 5, 5, 0, 0, 22, 0, 17, 0, + 0, 27, 12 +}; + +static const int k2h_start = 1; +static const int k2h_first_final = 20; +static const int k2h_error = 0; + +static const int k2h_en_main = 1; + + +#line 87 "kconf2h_parser.ragel" + + +int parse_kconf2h( const char *str, FILE *outf ) +{ + + + + static uint8_t cs; + const int stacksize = 10; + int res=0, *top=0, *stack=NULL; + stack = malloc( sizeof(stack)*stacksize ); + char *p=(char *)str, *pe = (char *)str + strlen( str ), *eof=NULL; + + /* + variables used in state machine + */ + char *token_s=NULL, *token_e=NULL; + char *value_s=NULL, *value_e=NULL; + int token_type=0; + fprintf( outf, "#ifndef __CONFIG_H\n" ); + fprintf( outf, "#define __CONFIG_H\n" ); + + +#line 172 "kconf2h_parser.c" + { + cs = k2h_start; + } + +#line 110 "kconf2h_parser.ragel" + +#line 179 "kconf2h_parser.c" + { + int _klen; + unsigned int _trans; + const char *_acts; + unsigned int _nacts; + const char *_keys; + + if ( p == pe ) + goto _test_eof; + if ( cs == 0 ) + goto _out; +_resume: + _keys = _k2h_trans_keys + _k2h_key_offsets[cs]; + _trans = _k2h_index_offsets[cs]; + + _klen = _k2h_single_lengths[cs]; + if ( _klen > 0 ) { + const char *_lower = _keys; + const char *_mid; + const char *_upper = _keys + _klen - 1; + while (1) { + if ( _upper < _lower ) + break; + + _mid = _lower + ((_upper-_lower) >> 1); + if ( (*p) < *_mid ) + _upper = _mid - 1; + else if ( (*p) > *_mid ) + _lower = _mid + 1; + else { + _trans += (unsigned int)(_mid - _keys); + goto _match; + } + } + _keys += _klen; + _trans += _klen; + } + + _klen = _k2h_range_lengths[cs]; + if ( _klen > 0 ) { + const char *_lower = _keys; + const char *_mid; + const char *_upper = _keys + (_klen<<1) - 2; + while (1) { + if ( _upper < _lower ) + break; + + _mid = _lower + (((_upper-_lower) >> 1) & ~1); + if ( (*p) < _mid[0] ) + _upper = _mid - 2; + else if ( (*p) > _mid[1] ) + _lower = _mid + 2; + else { + _trans += (unsigned int)((_mid - _keys)>>1); + goto _match; + } + } + _trans += _klen; + } + +_match: + _trans = _k2h_indicies[_trans]; + cs = _k2h_trans_targs[_trans]; + + if ( _k2h_trans_actions[_trans] == 0 ) + goto _again; + + _acts = _k2h_actions + _k2h_trans_actions[_trans]; + _nacts = (unsigned int) *_acts++; + while ( _nacts-- > 0 ) + { + switch ( *_acts++ ) + { + case 0: +#line 72 "kconf2h_parser.ragel" + {} + break; + case 1: +#line 73 "kconf2h_parser.ragel" + {token_s = p;} + break; + case 2: +#line 73 "kconf2h_parser.ragel" + {token_e = p-1;} + break; + case 3: +#line 76 "kconf2h_parser.ragel" + {token_type=TYPE_YM;} + break; + case 4: +#line 77 "kconf2h_parser.ragel" + {token_type=TYPE_DEC;} + break; + case 5: +#line 78 "kconf2h_parser.ragel" + {token_type=TYPE_STR;} + break; + case 6: +#line 79 "kconf2h_parser.ragel" + {token_type=TYPE_HEX;} + break; + case 7: +#line 79 "kconf2h_parser.ragel" + {value_s = p;} + break; + case 8: +#line 79 "kconf2h_parser.ragel" + {value_e = p-1;} + break; + case 9: +#line 80 "kconf2h_parser.ragel" + {} + break; + case 10: +#line 80 "kconf2h_parser.ragel" + { o_head_def( outf, token_type, token_s, token_e, value_s, value_e ); } + break; + case 11: +#line 82 "kconf2h_parser.ragel" + {} + break; +#line 301 "kconf2h_parser.c" + } + } + +_again: + if ( cs == 0 ) + goto _out; + if ( ++p != pe ) + goto _resume; + _test_eof: {} + _out: {} + } + +#line 111 "kconf2h_parser.ragel" + + if ( cs == k2h_error ) + { + printf("ERR state [%d] pos[%d]:[%s]\n", res, p-str, p); + res = -1; + } + + fprintf( outf, "#endif\n" ); + + return res; +} + + + diff --git a/kconf2h_parser.ragel b/kconf2h_parser.ragel new file mode 100644 index 0000000..c45dc9d --- /dev/null +++ b/kconf2h_parser.ragel @@ -0,0 +1,124 @@ +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <string.h> + +#include "kconf2h.h" + +#define TYPE_YM 1 +#define TYPE_HEX 2 +#define TYPE_STR 3 +#define TYPE_DEC 4 + +char *new_string( const char *start, const char *end ) +{ + int str_s = end-start+1; + char *new_str=malloc( str_s+1 ); + memcpy( new_str, start, str_s ); + if ( new_str != NULL ) + new_str[str_s]=0x0; + return new_str; +} + +int o_head_def( FILE *f, int type, const char *s_define, const char *e_define, + const char *s_value, const char *e_value ) +{ + if ( f != NULL ) + { + if ( (s_define != NULL) && (e_define != NULL) && (s_define <= e_define) && + (s_value != NULL) && ( e_value != NULL ) && ( s_value <= e_value )) + { + char *def = new_string( s_define, e_define ); + char *val = NULL; + //printf( "%s\n", def ); + fprintf( f, "#define %s", def ); + free( def ); + + if ( type != TYPE_YM ) + { + val = new_string( s_value, e_value ); + fprintf( f, " %s", val ); + free( val ); + } + /* + switch ( type ) + { + case TYPE_HEX: + fprintf( f, " %s", val ); + break; + case TYPE_STR: + fprintf( f, " %s", val ); + break; + case TYPE_DEC: + fprintf( f, " %s", val ); + break; + default: + printf("Unknown Kconfig type %d\n", type); + } + */ + + fprintf( f, "\n" ); + return 1; + } + } + return 0; +} + +%%{ + machine k2h; + + strings = ( '"' (print+)? '"' ); + hex = ( '0x' ([a-fA-F0-9])+ ); + comments = ( ('#' (print+)? )>{} ); + command_name = (( 'CONFIG_' ([A-Z0-9_])+ )>{token_s = p;}%{token_e = p-1;}); + + command = (( command_name '=' ( + ('y'|'m')%{token_type=TYPE_YM;} | + ('-'? digit+)%{token_type=TYPE_DEC;} | + strings%{token_type=TYPE_STR;} | + hex%{token_type=TYPE_HEX;} )>{value_s = p;}%{value_e = p-1;} + )>{}%{ o_head_def( outf, token_type, token_s, token_e, value_s, value_e ); } ); + + eol = ( ( '\n' )>{} ); + + expr = ((command | comments )? eol)+; + main := expr; + write data; +}%% + +int parse_kconf2h( const char *str, FILE *outf ) +{ + + + + static uint8_t cs; + const int stacksize = 10; + int res=0, *top=0, *stack=NULL; + stack = malloc( sizeof(stack)*stacksize ); + char *p=(char *)str, *pe = (char *)str + strlen( str ), *eof=NULL; + + /* + variables used in state machine + */ + char *token_s=NULL, *token_e=NULL; + char *value_s=NULL, *value_e=NULL; + int token_type=0; + fprintf( outf, "#ifndef __CONFIG_H\n" ); + fprintf( outf, "#define __CONFIG_H\n" ); + + %%write init; + %%write exec; + + if ( cs == k2h_error ) + { + printf("ERR state [%d] pos[%d]:[%s]\n", res, p-str, p); + res = -1; + } + + fprintf( outf, "#endif\n" ); + + return res; +} + + + |