diff options
Diffstat (limited to 'qemu/roms/seabios/scripts/kconfig/zconf.l')
| -rw-r--r-- | qemu/roms/seabios/scripts/kconfig/zconf.l | 363 |
1 files changed, 0 insertions, 363 deletions
diff --git a/qemu/roms/seabios/scripts/kconfig/zconf.l b/qemu/roms/seabios/scripts/kconfig/zconf.l deleted file mode 100644 index 6c62d93b4..000000000 --- a/qemu/roms/seabios/scripts/kconfig/zconf.l +++ /dev/null @@ -1,363 +0,0 @@ -%option nostdinit noyywrap never-interactive full ecs -%option 8bit nodefault perf-report perf-report -%option noinput -%x COMMAND HELP STRING PARAM -%{ -/* - * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> - * Released under the terms of the GNU GPL v2.0. - */ - -#include <limits.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include "lkc.h" - -#define START_STRSIZE 16 - -static struct { - struct file *file; - int lineno; -} current_pos; - -static char *text; -static int text_size, text_asize; - -struct buffer { - struct buffer *parent; - YY_BUFFER_STATE state; -}; - -struct buffer *current_buf; - -static int last_ts, first_ts; - -static void zconf_endhelp(void); -static void zconf_endfile(void); - -static void new_string(void) -{ - text = xmalloc(START_STRSIZE); - text_asize = START_STRSIZE; - text_size = 0; - *text = 0; -} - -static void append_string(const char *str, int size) -{ - int new_size = text_size + size + 1; - if (new_size > text_asize) { - new_size += START_STRSIZE - 1; - new_size &= -START_STRSIZE; - text = realloc(text, new_size); - text_asize = new_size; - } - memcpy(text + text_size, str, size); - text_size += size; - text[text_size] = 0; -} - -static void alloc_string(const char *str, int size) -{ - text = xmalloc(size + 1); - memcpy(text, str, size); - text[size] = 0; -} -%} - -n [A-Za-z0-9_] - -%% - int str = 0; - int ts, i; - -[ \t]*#.*\n | -[ \t]*\n { - current_file->lineno++; - return T_EOL; -} -[ \t]*#.* - - -[ \t]+ { - BEGIN(COMMAND); -} - -. { - unput(yytext[0]); - BEGIN(COMMAND); -} - - -<COMMAND>{ - {n}+ { - const struct kconf_id *id = kconf_id_lookup(yytext, yyleng); - BEGIN(PARAM); - current_pos.file = current_file; - current_pos.lineno = current_file->lineno; - if (id && id->flags & TF_COMMAND) { - zconflval.id = id; - return id->token; - } - alloc_string(yytext, yyleng); - zconflval.string = text; - return T_WORD; - } - . - \n { - BEGIN(INITIAL); - current_file->lineno++; - return T_EOL; - } -} - -<PARAM>{ - "&&" return T_AND; - "||" return T_OR; - "(" return T_OPEN_PAREN; - ")" return T_CLOSE_PAREN; - "!" return T_NOT; - "=" return T_EQUAL; - "!=" return T_UNEQUAL; - \"|\' { - str = yytext[0]; - new_string(); - BEGIN(STRING); - } - \n BEGIN(INITIAL); current_file->lineno++; return T_EOL; - --- /* ignore */ - ({n}|[-/.])+ { - const struct kconf_id *id = kconf_id_lookup(yytext, yyleng); - if (id && id->flags & TF_PARAM) { - zconflval.id = id; - return id->token; - } - alloc_string(yytext, yyleng); - zconflval.string = text; - return T_WORD; - } - #.* /* comment */ - \\\n current_file->lineno++; - . - <<EOF>> { - BEGIN(INITIAL); - } -} - -<STRING>{ - [^'"\\\n]+/\n { - append_string(yytext, yyleng); - zconflval.string = text; - return T_WORD_QUOTE; - } - [^'"\\\n]+ { - append_string(yytext, yyleng); - } - \\.?/\n { - append_string(yytext + 1, yyleng - 1); - zconflval.string = text; - return T_WORD_QUOTE; - } - \\.? { - append_string(yytext + 1, yyleng - 1); - } - \'|\" { - if (str == yytext[0]) { - BEGIN(PARAM); - zconflval.string = text; - return T_WORD_QUOTE; - } else - append_string(yytext, 1); - } - \n { - printf("%s:%d:warning: multi-line strings not supported\n", zconf_curname(), zconf_lineno()); - current_file->lineno++; - BEGIN(INITIAL); - return T_EOL; - } - <<EOF>> { - BEGIN(INITIAL); - } -} - -<HELP>{ - [ \t]+ { - ts = 0; - for (i = 0; i < yyleng; i++) { - if (yytext[i] == '\t') - ts = (ts & ~7) + 8; - else - ts++; - } - last_ts = ts; - if (first_ts) { - if (ts < first_ts) { - zconf_endhelp(); - return T_HELPTEXT; - } - ts -= first_ts; - while (ts > 8) { - append_string(" ", 8); - ts -= 8; - } - append_string(" ", ts); - } - } - [ \t]*\n/[^ \t\n] { - current_file->lineno++; - zconf_endhelp(); - return T_HELPTEXT; - } - [ \t]*\n { - current_file->lineno++; - append_string("\n", 1); - } - [^ \t\n].* { - while (yyleng) { - if ((yytext[yyleng-1] != ' ') && (yytext[yyleng-1] != '\t')) - break; - yyleng--; - } - append_string(yytext, yyleng); - if (!first_ts) - first_ts = last_ts; - } - <<EOF>> { - zconf_endhelp(); - return T_HELPTEXT; - } -} - -<<EOF>> { - if (current_file) { - zconf_endfile(); - return T_EOL; - } - fclose(yyin); - yyterminate(); -} - -%% -void zconf_starthelp(void) -{ - new_string(); - last_ts = first_ts = 0; - BEGIN(HELP); -} - -static void zconf_endhelp(void) -{ - zconflval.string = text; - BEGIN(INITIAL); -} - - -/* - * Try to open specified file with following names: - * ./name - * $(srctree)/name - * The latter is used when srctree is separate from objtree - * when compiling the kernel. - * Return NULL if file is not found. - */ -FILE *zconf_fopen(const char *name) -{ - char *env, fullname[PATH_MAX+1]; - FILE *f; - - f = fopen(name, "r"); - if (!f && name != NULL && name[0] != '/') { - env = getenv(SRCTREE); - if (env) { - sprintf(fullname, "%s/%s", env, name); - f = fopen(fullname, "r"); - } - } - return f; -} - -void zconf_initscan(const char *name) -{ - yyin = zconf_fopen(name); - if (!yyin) { - printf("can't find file %s\n", name); - exit(1); - } - - current_buf = xmalloc(sizeof(*current_buf)); - memset(current_buf, 0, sizeof(*current_buf)); - - current_file = file_lookup(name); - current_file->lineno = 1; -} - -void zconf_nextfile(const char *name) -{ - struct file *iter; - struct file *file = file_lookup(name); - struct buffer *buf = xmalloc(sizeof(*buf)); - memset(buf, 0, sizeof(*buf)); - - current_buf->state = YY_CURRENT_BUFFER; - yyin = zconf_fopen(file->name); - if (!yyin) { - printf("%s:%d: can't open file \"%s\"\n", - zconf_curname(), zconf_lineno(), file->name); - exit(1); - } - yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE)); - buf->parent = current_buf; - current_buf = buf; - - for (iter = current_file->parent; iter; iter = iter->parent ) { - if (!strcmp(current_file->name,iter->name) ) { - printf("%s:%d: recursive inclusion detected. " - "Inclusion path:\n current file : '%s'\n", - zconf_curname(), zconf_lineno(), - zconf_curname()); - iter = current_file->parent; - while (iter && \ - strcmp(iter->name,current_file->name)) { - printf(" included from: '%s:%d'\n", - iter->name, iter->lineno-1); - iter = iter->parent; - } - if (iter) - printf(" included from: '%s:%d'\n", - iter->name, iter->lineno+1); - exit(1); - } - } - file->lineno = 1; - file->parent = current_file; - current_file = file; -} - -static void zconf_endfile(void) -{ - struct buffer *parent; - - current_file = current_file->parent; - - parent = current_buf->parent; - if (parent) { - fclose(yyin); - yy_delete_buffer(YY_CURRENT_BUFFER); - yy_switch_to_buffer(parent->state); - } - free(current_buf); - current_buf = parent; -} - -int zconf_lineno(void) -{ - return current_pos.lineno; -} - -const char *zconf_curname(void) -{ - return current_pos.file ? current_pos.file->name : "<none>"; -} |