diff options
Diffstat (limited to 'scripts/kconfig/zconf.l')
| -rw-r--r-- | scripts/kconfig/zconf.l | 55 |
1 files changed, 30 insertions, 25 deletions
diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l index 21ff69c..00f9d3a 100644 --- a/scripts/kconfig/zconf.l +++ b/scripts/kconfig/zconf.l @@ -1,5 +1,5 @@ -%option backup nostdinit noyywrap never-interactive full ecs -%option 8bit backup nodefault perf-report perf-report +%option nostdinit noyywrap never-interactive full ecs +%option 8bit nodefault perf-report perf-report %option noinput %x COMMAND HELP STRING PARAM %{ @@ -14,7 +14,6 @@ #include <string.h> #include <unistd.h> -#define LKC_DIRECT_LINK #include "lkc.h" #define START_STRSIZE 16 @@ -39,7 +38,7 @@ static int last_ts, first_ts; static void zconf_endhelp(void); static void zconf_endfile(void); -void new_string(void) +static void new_string(void) { text = malloc(START_STRSIZE); text_asize = START_STRSIZE; @@ -47,7 +46,7 @@ void new_string(void) *text = 0; } -void append_string(const char *str, int size) +static void append_string(const char *str, int size) { int new_size = text_size + size + 1; if (new_size > text_asize) { @@ -61,7 +60,7 @@ void append_string(const char *str, int size) text[text_size] = 0; } -void alloc_string(const char *str, int size) +static void alloc_string(const char *str, int size) { text = malloc(size + 1); memcpy(text, str, size); @@ -96,7 +95,7 @@ n [A-Za-z0-9_] <COMMAND>{ {n}+ { - struct kconf_id *id = kconf_id_lookup(yytext, yyleng); + const struct kconf_id *id = kconf_id_lookup(yytext, yyleng); BEGIN(PARAM); current_pos.file = current_file; current_pos.lineno = current_file->lineno; @@ -132,7 +131,7 @@ n [A-Za-z0-9_] \n BEGIN(INITIAL); current_file->lineno++; return T_EOL; --- /* ignore */ ({n}|[-/.])+ { - struct kconf_id *id = kconf_id_lookup(yytext, yyleng); + const struct kconf_id *id = kconf_id_lookup(yytext, yyleng); if (id && id->flags & TF_PARAM) { zconflval.id = id; return id->token; @@ -294,37 +293,45 @@ void zconf_initscan(const char *name) current_file = file_lookup(name); current_file->lineno = 1; - current_file->flags = FILE_BUSY; } void zconf_nextfile(const char *name) { + struct file *iter; struct file *file = file_lookup(name); struct buffer *buf = malloc(sizeof(*buf)); memset(buf, 0, sizeof(*buf)); current_buf->state = YY_CURRENT_BUFFER; - yyin = zconf_fopen(name); + yyin = zconf_fopen(file->name); if (!yyin) { - printf("%s:%d: can't open file \"%s\"\n", zconf_curname(), zconf_lineno(), name); + 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; - if (file->flags & FILE_BUSY) { - printf("%s:%d: do not source '%s' from itself\n", - zconf_curname(), zconf_lineno(), name); - exit(1); - } - if (file->flags & FILE_SCANNED) { - printf("%s:%d: file '%s' is already sourced from '%s'\n", - zconf_curname(), zconf_lineno(), name, - file->parent->name); - exit(1); + 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->flags |= FILE_BUSY; file->lineno = 1; file->parent = current_file; current_file = file; @@ -334,8 +341,6 @@ static void zconf_endfile(void) { struct buffer *parent; - current_file->flags |= FILE_SCANNED; - current_file->flags &= ~FILE_BUSY; current_file = current_file->parent; parent = current_buf->parent; @@ -353,7 +358,7 @@ int zconf_lineno(void) return current_pos.lineno; } -char *zconf_curname(void) +const char *zconf_curname(void) { return current_pos.file ? current_pos.file->name : "<none>"; } |