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18492685e4
Tracking the line number by hand is error-prone since you need to increment it in every \n matching pattern. If '%option yylineno' is set, flex defines 'yylineno' to contain the current line number and automatically updates it each time it reads a \n character. This is much more convenient although the lexer does not initializes yylineno, so you need to set it to 1 each time you start reading a new file, and restore it you go back to the previous file. I tested this with DEBUG_PARSE, and confirmed the same dump message was produced. I removed the perf-report option. Otherwise, I see the following message: %option yylineno entails a performance penalty ONLY on rules that can match newline characters Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
189 lines
4.5 KiB
C
189 lines
4.5 KiB
C
/*
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* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
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* Released under the terms of the GNU GPL v2.0.
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*/
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#ifndef LKC_H
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#define LKC_H
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#include "expr.h"
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#ifndef KBUILD_NO_NLS
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# include <libintl.h>
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#else
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static inline const char *gettext(const char *txt) { return txt; }
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static inline void textdomain(const char *domainname) {}
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static inline void bindtextdomain(const char *name, const char *dir) {}
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static inline char *bind_textdomain_codeset(const char *dn, char *c) { return c; }
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "lkc_proto.h"
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#define SRCTREE "srctree"
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#ifndef PACKAGE
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#define PACKAGE "linux"
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#endif
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#define LOCALEDIR "/usr/share/locale"
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#define _(text) gettext(text)
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#define N_(text) (text)
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#ifndef CONFIG_
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#define CONFIG_ "CONFIG_"
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#endif
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static inline const char *CONFIG_prefix(void)
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{
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return getenv( "CONFIG_" ) ?: CONFIG_;
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}
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#undef CONFIG_
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#define CONFIG_ CONFIG_prefix()
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#define TF_COMMAND 0x0001
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#define TF_PARAM 0x0002
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#define TF_OPTION 0x0004
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enum conf_def_mode {
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def_default,
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def_yes,
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def_mod,
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def_no,
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def_random
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};
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#define T_OPT_MODULES 1
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#define T_OPT_DEFCONFIG_LIST 2
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#define T_OPT_ENV 3
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#define T_OPT_ALLNOCONFIG_Y 4
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struct kconf_id {
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const char *name;
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int token;
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unsigned int flags;
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enum symbol_type stype;
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};
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extern int yylineno;
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void zconfdump(FILE *out);
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void zconf_starthelp(void);
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FILE *zconf_fopen(const char *name);
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void zconf_initscan(const char *name);
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void zconf_nextfile(const char *name);
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int zconf_lineno(void);
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const char *zconf_curname(void);
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/* confdata.c */
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const char *conf_get_configname(void);
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const char *conf_get_autoconfig_name(void);
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char *conf_get_default_confname(void);
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void sym_set_change_count(int count);
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void sym_add_change_count(int count);
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bool conf_set_all_new_symbols(enum conf_def_mode mode);
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void set_all_choice_values(struct symbol *csym);
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/* confdata.c and expr.c */
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static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
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{
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assert(len != 0);
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if (fwrite(str, len, count, out) != count)
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fprintf(stderr, "Error in writing or end of file.\n");
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}
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/* menu.c */
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void _menu_init(void);
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void menu_warn(struct menu *menu, const char *fmt, ...);
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struct menu *menu_add_menu(void);
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void menu_end_menu(void);
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void menu_add_entry(struct symbol *sym);
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void menu_add_dep(struct expr *dep);
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void menu_add_visibility(struct expr *dep);
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struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
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void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
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void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
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void menu_add_option(int token, char *arg);
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void menu_finalize(struct menu *parent);
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void menu_set_type(int type);
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/* util.c */
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struct file *file_lookup(const char *name);
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int file_write_dep(const char *name);
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void *xmalloc(size_t size);
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void *xcalloc(size_t nmemb, size_t size);
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void *xrealloc(void *p, size_t size);
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char *xstrdup(const char *s);
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struct gstr {
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size_t len;
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char *s;
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/*
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* when max_width is not zero long lines in string s (if any) get
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* wrapped not to exceed the max_width value
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*/
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int max_width;
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};
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struct gstr str_new(void);
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void str_free(struct gstr *gs);
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void str_append(struct gstr *gs, const char *s);
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void str_printf(struct gstr *gs, const char *fmt, ...);
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const char *str_get(struct gstr *gs);
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/* symbol.c */
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extern struct expr *sym_env_list;
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void sym_init(void);
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void sym_clear_all_valid(void);
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struct symbol *sym_choice_default(struct symbol *sym);
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const char *sym_get_string_default(struct symbol *sym);
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struct symbol *sym_check_deps(struct symbol *sym);
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struct property *prop_alloc(enum prop_type type, struct symbol *sym);
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struct symbol *prop_get_symbol(struct property *prop);
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struct property *sym_get_env_prop(struct symbol *sym);
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static inline tristate sym_get_tristate_value(struct symbol *sym)
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{
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return sym->curr.tri;
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}
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static inline struct symbol *sym_get_choice_value(struct symbol *sym)
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{
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return (struct symbol *)sym->curr.val;
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}
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static inline bool sym_set_choice_value(struct symbol *ch, struct symbol *chval)
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{
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return sym_set_tristate_value(chval, yes);
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}
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static inline bool sym_is_choice(struct symbol *sym)
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{
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return sym->flags & SYMBOL_CHOICE ? true : false;
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}
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static inline bool sym_is_choice_value(struct symbol *sym)
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{
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return sym->flags & SYMBOL_CHOICEVAL ? true : false;
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}
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static inline bool sym_is_optional(struct symbol *sym)
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{
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return sym->flags & SYMBOL_OPTIONAL ? true : false;
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}
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static inline bool sym_has_value(struct symbol *sym)
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{
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return sym->flags & SYMBOL_DEF_USER ? true : false;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* LKC_H */
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