diff options
Diffstat (limited to 'scripts/config/zconf.y')
| -rw-r--r-- | scripts/config/zconf.y | 232 |
1 files changed, 134 insertions, 98 deletions
diff --git a/scripts/config/zconf.y b/scripts/config/zconf.y index 301d7a8..459b690 100644 --- a/scripts/config/zconf.y +++ b/scripts/config/zconf.y @@ -27,7 +27,7 @@ struct symbol *symbol_hash[257]; #define YYERROR_VERBOSE %} -%expect 36 +%expect 40 %union { @@ -46,6 +46,7 @@ struct symbol *symbol_hash[257]; %token T_ENDCHOICE %token T_COMMENT %token T_CONFIG +%token T_MENUCONFIG %token T_HELP %token <string> T_HELPTEXT %token T_IF @@ -56,17 +57,22 @@ struct symbol *symbol_hash[257]; %token T_PROMPT %token T_DEFAULT %token T_TRISTATE +%token T_DEF_TRISTATE %token T_BOOLEAN +%token T_DEF_BOOLEAN +%token T_STRING %token T_INT %token T_HEX %token <string> T_WORD -%token <string> T_STRING +%token <string> T_WORD_QUOTE %token T_UNEQUAL %token T_EOF %token T_EOL %token T_CLOSE_PAREN %token T_OPEN_PAREN %token T_ON +%token T_SELECT +%token T_RANGE %left T_OR %left T_AND @@ -103,14 +109,15 @@ common_block: if_stmt | comment_stmt | config_stmt + | menuconfig_stmt | source_stmt | nl_or_eof ; -/* config entry */ +/* config/menuconfig entry */ -config_entry_start: T_CONFIG T_WORD +config_entry_start: T_CONFIG T_WORD T_EOL { struct symbol *sym = sym_lookup($2, 0); sym->flags |= SYMBOL_OPTIONAL; @@ -118,74 +125,118 @@ config_entry_start: T_CONFIG T_WORD printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2); }; -config_stmt: config_entry_start T_EOL config_option_list +config_stmt: config_entry_start config_option_list { menu_end_entry(); printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno()); }; +menuconfig_entry_start: T_MENUCONFIG T_WORD T_EOL +{ + struct symbol *sym = sym_lookup($2, 0); + sym->flags |= SYMBOL_OPTIONAL; + menu_add_entry(sym); + printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2); +}; + +menuconfig_stmt: menuconfig_entry_start config_option_list +{ + if (current_entry->prompt) + current_entry->prompt->type = P_MENU; + else + zconfprint("warning: menuconfig statement without prompt"); + menu_end_entry(); + printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno()); +}; + config_option_list: /* empty */ - | config_option_list config_option T_EOL - | config_option_list depends T_EOL + | config_option_list config_option + | config_option_list depends | config_option_list help | config_option_list T_EOL -{ }; +; -config_option: T_TRISTATE prompt_stmt_opt +config_option: T_TRISTATE prompt_stmt_opt T_EOL { menu_set_type(S_TRISTATE); printd(DEBUG_PARSE, "%s:%d:tristate\n", zconf_curname(), zconf_lineno()); }; -config_option: T_BOOLEAN prompt_stmt_opt +config_option: T_DEF_TRISTATE expr if_expr T_EOL +{ + menu_add_expr(P_DEFAULT, $2, $3); + menu_set_type(S_TRISTATE); + printd(DEBUG_PARSE, "%s:%d:def_boolean\n", zconf_curname(), zconf_lineno()); +}; + +config_option: T_BOOLEAN prompt_stmt_opt T_EOL { menu_set_type(S_BOOLEAN); printd(DEBUG_PARSE, "%s:%d:boolean\n", zconf_curname(), zconf_lineno()); }; -config_option: T_INT prompt_stmt_opt +config_option: T_DEF_BOOLEAN expr if_expr T_EOL +{ + menu_add_expr(P_DEFAULT, $2, $3); + menu_set_type(S_BOOLEAN); + printd(DEBUG_PARSE, "%s:%d:def_boolean\n", zconf_curname(), zconf_lineno()); +}; + +config_option: T_INT prompt_stmt_opt T_EOL { menu_set_type(S_INT); printd(DEBUG_PARSE, "%s:%d:int\n", zconf_curname(), zconf_lineno()); }; -config_option: T_HEX prompt_stmt_opt +config_option: T_HEX prompt_stmt_opt T_EOL { menu_set_type(S_HEX); printd(DEBUG_PARSE, "%s:%d:hex\n", zconf_curname(), zconf_lineno()); }; -config_option: T_STRING prompt_stmt_opt +config_option: T_STRING prompt_stmt_opt T_EOL { menu_set_type(S_STRING); printd(DEBUG_PARSE, "%s:%d:string\n", zconf_curname(), zconf_lineno()); }; -config_option: T_PROMPT prompt if_expr +config_option: T_PROMPT prompt if_expr T_EOL { - menu_add_prop(P_PROMPT, $2, NULL, $3); + menu_add_prompt(P_PROMPT, $2, $3); printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno()); }; -config_option: T_DEFAULT symbol if_expr +config_option: T_DEFAULT expr if_expr T_EOL { - menu_add_prop(P_DEFAULT, NULL, $2, $3); + menu_add_expr(P_DEFAULT, $2, $3); printd(DEBUG_PARSE, "%s:%d:default\n", zconf_curname(), zconf_lineno()); }; +config_option: T_SELECT T_WORD if_expr T_EOL +{ + menu_add_symbol(P_SELECT, sym_lookup($2, 0), $3); + printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno()); +}; + +config_option: T_RANGE symbol symbol if_expr T_EOL +{ + menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,$2, $3), $4); + printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno()); +}; + /* choice entry */ -choice: T_CHOICE +choice: T_CHOICE T_EOL { struct symbol *sym = sym_lookup(NULL, 0); sym->flags |= SYMBOL_CHOICE; menu_add_entry(sym); - menu_add_prop(P_CHOICE, NULL, NULL, NULL); + menu_add_expr(P_CHOICE, NULL, NULL); printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno()); }; -choice_entry: choice T_EOL choice_option_list +choice_entry: choice choice_option_list { menu_end_entry(); menu_add_menu(); @@ -200,7 +251,7 @@ choice_end: end }; choice_stmt: - choice_entry choice_block choice_end T_EOL + choice_entry choice_block choice_end | choice_entry choice_block { printf("%s:%d: missing 'endchoice' for this 'choice' statement\n", current_menu->file->name, current_menu->lineno); @@ -209,28 +260,39 @@ choice_stmt: choice_option_list: /* empty */ - | choice_option_list choice_option T_EOL - | choice_option_list depends T_EOL + | choice_option_list choice_option + | choice_option_list depends | choice_option_list help | choice_option_list T_EOL ; -choice_option: T_PROMPT prompt if_expr +choice_option: T_PROMPT prompt if_expr T_EOL { - menu_add_prop(P_PROMPT, $2, NULL, $3); + menu_add_prompt(P_PROMPT, $2, $3); printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno()); }; -choice_option: T_OPTIONAL +choice_option: T_TRISTATE prompt_stmt_opt T_EOL +{ + menu_set_type(S_TRISTATE); + printd(DEBUG_PARSE, "%s:%d:tristate\n", zconf_curname(), zconf_lineno()); +}; + +choice_option: T_BOOLEAN prompt_stmt_opt T_EOL +{ + menu_set_type(S_BOOLEAN); + printd(DEBUG_PARSE, "%s:%d:boolean\n", zconf_curname(), zconf_lineno()); +}; + +choice_option: T_OPTIONAL T_EOL { current_entry->sym->flags |= SYMBOL_OPTIONAL; printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno()); }; -choice_option: T_DEFAULT symbol +choice_option: T_DEFAULT T_WORD if_expr T_EOL { - menu_add_prop(P_DEFAULT, NULL, $2, NULL); - //current_choice->prop->def = $2; + menu_add_symbol(P_DEFAULT, sym_lookup($2, 0), $3); printd(DEBUG_PARSE, "%s:%d:default\n", zconf_curname(), zconf_lineno()); }; @@ -241,11 +303,10 @@ choice_block: /* if entry */ -if: T_IF expr +if: T_IF expr T_EOL { printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno()); menu_add_entry(NULL); - //current_entry->prompt = menu_add_prop(T_IF, NULL, NULL, $2); menu_add_dep($2); menu_end_entry(); menu_add_menu(); @@ -260,8 +321,8 @@ if_end: end }; if_stmt: - if T_EOL if_block if_end T_EOL - | if T_EOL if_block + if if_block if_end + | if if_block { printf("%s:%d: missing 'endif' for this 'if' statement\n", current_menu->file->name, current_menu->lineno); zconfnerrs++; @@ -276,14 +337,14 @@ if_block: /* menu entry */ -menu: T_MENU prompt +menu: T_MENU prompt T_EOL { menu_add_entry(NULL); menu_add_prop(P_MENU, $2, NULL, NULL); printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno()); }; -menu_entry: menu T_EOL depends_list +menu_entry: menu depends_list { menu_end_entry(); menu_add_menu(); @@ -298,7 +359,7 @@ menu_end: end }; menu_stmt: - menu_entry menu_block menu_end T_EOL + menu_entry menu_block menu_end | menu_entry menu_block { printf("%s:%d: missing 'endmenu' for this 'menu' statement\n", current_menu->file->name, current_menu->lineno); @@ -313,27 +374,27 @@ menu_block: | menu_block error T_EOL { zconfprint("invalid menu option"); yyerrok; } ; -source: T_SOURCE prompt +source: T_SOURCE prompt T_EOL { $$ = $2; printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2); }; -source_stmt: source T_EOL +source_stmt: source { zconf_nextfile($1); }; /* comment entry */ -comment: T_COMMENT prompt +comment: T_COMMENT prompt T_EOL { menu_add_entry(NULL); menu_add_prop(P_COMMENT, $2, NULL, NULL); printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno()); }; -comment_stmt: comment T_EOL depends_list +comment_stmt: comment depends_list { menu_end_entry(); }; @@ -354,21 +415,21 @@ help: help_start T_HELPTEXT /* depends option */ depends_list: /* empty */ - | depends_list depends T_EOL + | depends_list depends | depends_list T_EOL -{ }; +; -depends: T_DEPENDS T_ON expr +depends: T_DEPENDS T_ON expr T_EOL { menu_add_dep($3); printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno()); } - | T_DEPENDS expr + | T_DEPENDS expr T_EOL { menu_add_dep($2); printd(DEBUG_PARSE, "%s:%d:depends\n", zconf_curname(), zconf_lineno()); } - | T_REQUIRES expr + | T_REQUIRES expr T_EOL { menu_add_dep($2); printd(DEBUG_PARSE, "%s:%d:requires\n", zconf_curname(), zconf_lineno()); @@ -378,22 +439,18 @@ depends: T_DEPENDS T_ON expr prompt_stmt_opt: /* empty */ - | prompt -{ - menu_add_prop(P_PROMPT, $1, NULL, NULL); -} - | prompt T_IF expr + | prompt if_expr { - menu_add_prop(P_PROMPT, $1, NULL, $3); + menu_add_prop(P_PROMPT, $1, NULL, $2); }; prompt: T_WORD - | T_STRING + | T_WORD_QUOTE ; -end: T_ENDMENU { $$ = T_ENDMENU; } - | T_ENDCHOICE { $$ = T_ENDCHOICE; } - | T_ENDIF { $$ = T_ENDIF; } +end: T_ENDMENU nl_or_eof { $$ = T_ENDMENU; } + | T_ENDCHOICE nl_or_eof { $$ = T_ENDCHOICE; } + | T_ENDIF nl_or_eof { $$ = T_ENDIF; } ; nl_or_eof: @@ -413,26 +470,34 @@ expr: symbol { $$ = expr_alloc_symbol($1); } ; symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); } - | T_STRING { $$ = sym_lookup($1, 1); free($1); } + | T_WORD_QUOTE { $$ = sym_lookup($1, 1); free($1); } ; %% void conf_parse(const char *name) { + struct symbol *sym; + int i; + zconf_initscan(name); sym_init(); menu_init(); - rootmenu.prompt = menu_add_prop(P_MENU, "BusyBox Configuration", NULL, NULL); + modules_sym = sym_lookup("MODULES", 0); + rootmenu.prompt = menu_add_prop(P_MENU, "Linux Kernel Configuration", NULL, NULL); //zconfdebug = 1; zconfparse(); if (zconfnerrs) exit(1); menu_finalize(&rootmenu); - - modules_sym = sym_lookup("MODULES", 0); + for_all_symbols(i, sym) { + if (!(sym->flags & SYMBOL_CHECKED) && sym_check_deps(sym)) + printf("\n"); + else + sym->flags |= SYMBOL_CHECK_DONE; + } sym_change_count = 1; } @@ -448,7 +513,7 @@ const char *zconf_tokenname(int token) case T_ENDIF: return "endif"; } return "<token>"; -} +} static bool zconf_endtoken(int token, int starttoken, int endtoken) { @@ -470,7 +535,7 @@ static void zconfprint(const char *err, ...) { va_list ap; - fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno()); + fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno() + 1); va_start(ap, err); vfprintf(stderr, err, ap); va_end(ap); @@ -479,7 +544,7 @@ static void zconfprint(const char *err, ...) static void zconferror(const char *err) { - fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno(), err); + fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err); } void print_quoted_string(FILE *out, const char *str) @@ -504,8 +569,6 @@ void print_symbol(FILE *out, struct menu *menu) struct symbol *sym = menu->sym; struct property *prop; - //sym->flags |= SYMBOL_PRINTED; - if (sym_is_choice(sym)) fprintf(out, "choice\n"); else @@ -530,13 +593,6 @@ void print_symbol(FILE *out, struct menu *menu) fputs(" ???\n", out); break; } -#if 0 - if (!expr_is_yes(sym->dep)) { - fputs(" depends ", out); - expr_fprint(sym->dep, out); - fputc('\n', out); - } -#endif for (prop = sym->prop; prop; prop = prop->next) { if (prop->menu != menu) continue; @@ -544,25 +600,18 @@ void print_symbol(FILE *out, struct menu *menu) case P_PROMPT: fputs(" prompt ", out); print_quoted_string(out, prop->text); - if (prop->def) { - fputc(' ', out); - if (prop->def->flags & SYMBOL_CONST) - print_quoted_string(out, prop->def->name); - else - fputs(prop->def->name, out); - } - if (!expr_is_yes(E_EXPR(prop->visible))) { + if (!expr_is_yes(prop->visible.expr)) { fputs(" if ", out); - expr_fprint(E_EXPR(prop->visible), out); + expr_fprint(prop->visible.expr, out); } fputc('\n', out); break; case P_DEFAULT: fputs( " default ", out); - print_quoted_string(out, prop->def->name); - if (!expr_is_yes(E_EXPR(prop->visible))) { + expr_fprint(prop->expr, out); + if (!expr_is_yes(prop->visible.expr)) { fputs(" if ", out); - expr_fprint(E_EXPR(prop->visible), out); + expr_fprint(prop->visible.expr, out); } fputc('\n', out); break; @@ -585,7 +634,6 @@ void print_symbol(FILE *out, struct menu *menu) void zconfdump(FILE *out) { - //struct file *file; struct property *prop; struct symbol *sym; struct menu *menu; @@ -596,11 +644,6 @@ void zconfdump(FILE *out) print_symbol(out, menu); else if ((prop = menu->prompt)) { switch (prop->type) { - //case T_MAINMENU: - // fputs("\nmainmenu ", out); - // print_quoted_string(out, prop->text); - // fputs("\n", out); - // break; case P_COMMENT: fputs("\ncomment ", out); print_quoted_string(out, prop->text); @@ -611,19 +654,12 @@ void zconfdump(FILE *out) print_quoted_string(out, prop->text); fputs("\n", out); break; - //case T_SOURCE: - // fputs("\nsource ", out); - // print_quoted_string(out, prop->text); - // fputs("\n", out); - // break; - //case T_IF: - // fputs("\nif\n", out); default: ; } - if (!expr_is_yes(E_EXPR(prop->visible))) { + if (!expr_is_yes(prop->visible.expr)) { fputs(" depends ", out); - expr_fprint(E_EXPR(prop->visible), out); + expr_fprint(prop->visible.expr, out); fputc('\n', out); } fputs("\n", out); |