From f6a0204436d51e2227a1b9c8f0463936a9c03f0a Mon Sep 17 00:00:00 2001 From: nbd Date: Thu, 18 Apr 2013 12:05:16 +0000 Subject: build: add new menuconfig code based on linux 3.9 git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36361 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- scripts/config/zconf.l | 141 +++++++++++++++++++++++++++++-------------------- 1 file changed, 83 insertions(+), 58 deletions(-) (limited to 'scripts/config/zconf.l') diff --git a/scripts/config/zconf.l b/scripts/config/zconf.l index 71107a56e..bce3da665 100644 --- a/scripts/config/zconf.l +++ b/scripts/config/zconf.l @@ -1,5 +1,6 @@ -%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 +15,6 @@ #include #include -#define LKC_DIRECT_LINK #include "lkc.h" #define START_STRSIZE 16 @@ -39,15 +39,15 @@ 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 = xmalloc(START_STRSIZE); text_asize = START_STRSIZE; text_size = 0; *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) { @@ -61,9 +61,9 @@ 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); + text = xmalloc(size + 1); memcpy(text, str, size); text[size] = 0; } @@ -96,7 +96,7 @@ n [A-Za-z0-9_] { {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 +132,7 @@ 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; @@ -218,6 +218,11 @@ n [A-Za-z0-9_] 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; @@ -266,7 +271,7 @@ FILE *zconf_fopen(const char *name) FILE *f; f = fopen(name, "r"); - if (!f && name[0] != '/') { + if (!f && name != NULL && name[0] != '/') { env = getenv(SRCTREE); if (env) { sprintf(fullname, "%s/%s", env, name); @@ -284,73 +289,93 @@ void zconf_initscan(const char *name) exit(1); } - current_buf = malloc(sizeof(*current_buf)); + current_buf = xmalloc(sizeof(*current_buf)); memset(current_buf, 0, sizeof(*current_buf)); current_file = file_lookup(name); current_file->lineno = 1; - current_file->flags = FILE_BUSY; } -void zconf_nextfile(const char *name) +static void __zconf_nextfile(const char *name) { - size_t i; - int retval; - glob_t files; - char *filename; - struct file *file; - struct buffer *buf; + struct file *iter; + struct file *file = file_lookup(name); + struct buffer *buf = xmalloc(sizeof(*buf)); + memset(buf, 0, sizeof(*buf)); - retval = glob(name, GLOB_ERR | GLOB_MARK, NULL, &files); - if (retval == GLOB_NOMATCH) - return; - - if (retval == GLOB_NOSPACE || retval == GLOB_ABORTED) { - printf("%s:%d: glob failed: %s \"%s\"\n", zconf_curname(), zconf_lineno(), - retval == GLOB_NOSPACE ? "failed to allocate memory" : - retval == GLOB_ABORTED ? "read error" : "no match", - name); + 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); } - - for (i = files.gl_pathc-1; i != (size_t)-1; --i) { - filename = files.gl_pathv[i]; - - file = file_lookup(filename); - buf = malloc(sizeof(*buf)); - memset(buf, 0, sizeof(*buf)); - current_buf->state = YY_CURRENT_BUFFER; - zconfin = zconf_fopen(filename); - if (!zconfin) { - printf("%s:%d: can't open file \"%s\"\n", - zconf_curname(), zconf_lineno(), filename); + 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); } - zconf_switch_to_buffer(zconf_create_buffer(zconfin,YY_BUF_SIZE)); - buf->parent = current_buf; - current_buf = buf; + } + file->lineno = 1; + file->parent = current_file; + current_file = file; +} - if (file->flags & FILE_BUSY) { - printf("recursive scan (%s)?\n", filename); - exit(1); - } - if (file->flags & FILE_SCANNED) { - printf("file %s already scanned?\n", filename); - exit(1); +void zconf_nextfile(const char *name) +{ + glob_t gl; + int err; + int i; + + err = glob(name, GLOB_ERR | GLOB_MARK, NULL, &gl); + if (err) { + const char *reason = "unknown error"; + + switch (err) { + case GLOB_NOSPACE: + reason = "out of memory"; + break; + case GLOB_ABORTED: + reason = "read error"; + break; + case GLOB_NOMATCH: + reason = "No files found"; + break; + default: + break; } - file->flags |= FILE_BUSY; - file->lineno = 1; - file->parent = current_file; - current_file = file; + + printf("%s:%d: glob failed: %s \"%s\"\n", zconf_curname(), zconf_lineno(), + reason, name); + + exit(1); } + + for (i = 0; i < gl.gl_pathc; i++) + __zconf_nextfile(gl.gl_pathv[i]); } 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; @@ -368,7 +393,7 @@ 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 : ""; } -- cgit v1.2.3