diff options
Diffstat (limited to 'scripts/kconfig/zconf.y')
| -rw-r--r-- | scripts/kconfig/zconf.y | 290 |
1 files changed, 116 insertions, 174 deletions
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index 22fceb264cf5..69409abc7dc2 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -1,8 +1,8 @@ -%{ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> - * Released under the terms of the GNU GPL v2.0. */ +%{ #include <ctype.h> #include <stdarg.h> @@ -20,18 +20,17 @@ int cdebug = PRINTD; -int yylex(void); static void yyerror(const char *err); static void zconfprint(const char *err, ...); static void zconf_error(const char *err, ...); -static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken); +static bool zconf_endtoken(const char *tokenname, + const char *expected_tokenname); struct symbol *symbol_hash[SYMBOL_HASHSIZE]; static struct menu *current_menu, *current_entry; %} -%expect 30 %union { @@ -40,46 +39,50 @@ static struct menu *current_menu, *current_entry; struct symbol *symbol; struct expr *expr; struct menu *menu; - const struct kconf_id *id; + enum symbol_type type; enum variable_flavor flavor; } -%token <id>T_MAINMENU -%token <id>T_MENU -%token <id>T_ENDMENU -%token <id>T_SOURCE -%token <id>T_CHOICE -%token <id>T_ENDCHOICE -%token <id>T_COMMENT -%token <id>T_CONFIG -%token <id>T_MENUCONFIG -%token <id>T_HELP %token <string> T_HELPTEXT -%token <id>T_IF -%token <id>T_ENDIF -%token <id>T_DEPENDS -%token <id>T_OPTIONAL -%token <id>T_PROMPT -%token <id>T_TYPE -%token <id>T_DEFAULT -%token <id>T_SELECT -%token <id>T_IMPLY -%token <id>T_RANGE -%token <id>T_VISIBLE -%token <id>T_OPTION -%token <id>T_ON %token <string> T_WORD %token <string> T_WORD_QUOTE -%token T_UNEQUAL -%token T_LESS -%token T_LESS_EQUAL -%token T_GREATER -%token T_GREATER_EQUAL +%token T_ALLNOCONFIG_Y +%token T_BOOL +%token T_CHOICE %token T_CLOSE_PAREN +%token T_COLON_EQUAL +%token T_COMMENT +%token T_CONFIG +%token T_DEFAULT +%token T_DEFCONFIG_LIST +%token T_DEF_BOOL +%token T_DEF_TRISTATE +%token T_DEPENDS +%token T_ENDCHOICE +%token T_ENDIF +%token T_ENDMENU +%token T_HELP +%token T_HEX +%token T_IF +%token T_IMPLY +%token T_INT +%token T_MAINMENU +%token T_MENU +%token T_MENUCONFIG +%token T_MODULES +%token T_ON %token T_OPEN_PAREN +%token T_OPTION +%token T_OPTIONAL +%token T_PLUS_EQUAL +%token T_PROMPT +%token T_RANGE +%token T_SELECT +%token T_SOURCE +%token T_STRING +%token T_TRISTATE +%token T_VISIBLE %token T_EOL -%token <string> T_VARIABLE -%token <flavor> T_ASSIGN %token <string> T_ASSIGN_VAL %left T_OR @@ -91,12 +94,13 @@ static struct menu *current_menu, *current_entry; %type <string> prompt %type <symbol> nonconst_symbol %type <symbol> symbol +%type <type> type logic_type default %type <expr> expr %type <expr> if_expr -%type <id> end -%type <id> option_name +%type <string> end %type <menu> if_entry menu_entry choice_entry -%type <string> symbol_option_arg word_opt assign_val +%type <string> word_opt assign_val +%type <flavor> assign_op %destructor { fprintf(stderr, "%s:%d: missing end statement for this entry\n", @@ -105,15 +109,8 @@ static struct menu *current_menu, *current_entry; menu_end_menu(); } if_entry menu_entry choice_entry -%{ -/* Include kconf_id.c here so it can see the token constants. */ -#include "kconf_id.c" -%} - %% -input: nl start | start; - -start: mainmenu_stmt stmt_list | stmt_list; +input: mainmenu_stmt stmt_list | stmt_list; /* mainmenu entry */ @@ -127,22 +124,12 @@ stmt_list: | stmt_list common_stmt | stmt_list choice_stmt | stmt_list menu_stmt - | stmt_list end { zconf_error("unexpected end statement"); } | stmt_list T_WORD error T_EOL { zconf_error("unknown statement \"%s\"", $2); } - | stmt_list option_name error T_EOL -{ - zconf_error("unexpected option \"%s\"", $2->name); -} | stmt_list error T_EOL { zconf_error("invalid statement"); } ; -option_name: - T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_IMPLY | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE -; - common_stmt: - T_EOL - | if_stmt + if_stmt | comment_stmt | config_stmt | menuconfig_stmt @@ -150,12 +137,6 @@ common_stmt: | assignment_stmt ; -option_error: - T_WORD error T_EOL { zconf_error("unknown option \"%s\"", $1); } - | error T_EOL { zconf_error("invalid option"); } -; - - /* config/menuconfig entry */ config_entry_start: T_CONFIG nonconst_symbol T_EOL @@ -189,19 +170,16 @@ menuconfig_stmt: menuconfig_entry_start config_option_list config_option_list: /* empty */ | config_option_list config_option - | config_option_list symbol_option | config_option_list depends | config_option_list help - | config_option_list option_error - | config_option_list T_EOL ; -config_option: T_TYPE prompt_stmt_opt T_EOL +config_option: type prompt_stmt_opt T_EOL { - menu_set_type($1->stype); + menu_set_type($1); printd(DEBUG_PARSE, "%s:%d:type(%u)\n", zconf_curname(), zconf_lineno(), - $1->stype); + $1); }; config_option: T_PROMPT prompt if_expr T_EOL @@ -210,14 +188,14 @@ config_option: T_PROMPT prompt if_expr T_EOL printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno()); }; -config_option: T_DEFAULT expr if_expr T_EOL +config_option: default expr if_expr T_EOL { menu_add_expr(P_DEFAULT, $2, $3); - if ($1->stype != S_UNKNOWN) - menu_set_type($1->stype); + if ($1 != S_UNKNOWN) + menu_set_type($1); printd(DEBUG_PARSE, "%s:%d:default(%u)\n", zconf_curname(), zconf_lineno(), - $1->stype); + $1); }; config_option: T_SELECT nonconst_symbol if_expr T_EOL @@ -238,27 +216,20 @@ config_option: T_RANGE symbol symbol if_expr T_EOL printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno()); }; -symbol_option: T_OPTION symbol_option_list T_EOL -; +config_option: T_OPTION T_MODULES T_EOL +{ + menu_add_option_modules(); +}; -symbol_option_list: - /* empty */ - | symbol_option_list T_WORD symbol_option_arg +config_option: T_OPTION T_DEFCONFIG_LIST T_EOL { - const struct kconf_id *id = kconf_id_lookup($2, strlen($2)); - if (id && id->flags & TF_OPTION) { - menu_add_option(id->token, $3); - free($3); - } - else - zconfprint("warning: ignoring unknown option %s", $2); - free($2); + menu_add_option_defconfig_list(); }; -symbol_option_arg: - /* empty */ { $$ = NULL; } - | T_EQUAL prompt { $$ = $2; } -; +config_option: T_OPTION T_ALLNOCONFIG_Y T_EOL +{ + menu_add_option_allnoconfig_y(); +}; /* choice entry */ @@ -279,7 +250,7 @@ choice_entry: choice choice_option_list choice_end: end { - if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) { + if (zconf_endtoken($1, "choice")) { menu_end_menu(); printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno()); } @@ -293,8 +264,6 @@ choice_option_list: | choice_option_list choice_option | choice_option_list depends | choice_option_list help - | choice_option_list T_EOL - | choice_option_list option_error ; choice_option: T_PROMPT prompt if_expr T_EOL @@ -303,15 +272,11 @@ choice_option: T_PROMPT prompt if_expr T_EOL printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno()); }; -choice_option: T_TYPE prompt_stmt_opt T_EOL +choice_option: logic_type prompt_stmt_opt T_EOL { - if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) { - menu_set_type($1->stype); - printd(DEBUG_PARSE, "%s:%d:type(%u)\n", - zconf_curname(), zconf_lineno(), - $1->stype); - } else - YYERROR; + menu_set_type($1); + printd(DEBUG_PARSE, "%s:%d:type(%u)\n", + zconf_curname(), zconf_lineno(), $1); }; choice_option: T_OPTIONAL T_EOL @@ -322,14 +287,26 @@ choice_option: T_OPTIONAL T_EOL choice_option: T_DEFAULT nonconst_symbol if_expr T_EOL { - if ($1->stype == S_UNKNOWN) { - menu_add_symbol(P_DEFAULT, $2, $3); - printd(DEBUG_PARSE, "%s:%d:default\n", - zconf_curname(), zconf_lineno()); - } else - YYERROR; + menu_add_symbol(P_DEFAULT, $2, $3); + printd(DEBUG_PARSE, "%s:%d:default\n", + zconf_curname(), zconf_lineno()); }; +type: + logic_type + | T_INT { $$ = S_INT; } + | T_HEX { $$ = S_HEX; } + | T_STRING { $$ = S_STRING; } + +logic_type: + T_BOOL { $$ = S_BOOLEAN; } + | T_TRISTATE { $$ = S_TRISTATE; } + +default: + T_DEFAULT { $$ = S_UNKNOWN; } + | T_DEF_BOOL { $$ = S_BOOLEAN; } + | T_DEF_TRISTATE { $$ = S_TRISTATE; } + choice_block: /* empty */ | choice_block common_stmt @@ -347,20 +324,13 @@ if_entry: T_IF expr T_EOL if_end: end { - if (zconf_endtoken($1, T_IF, T_ENDIF)) { + if (zconf_endtoken($1, "if")) { menu_end_menu(); printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno()); } }; -if_stmt: if_entry if_block if_end -; - -if_block: - /* empty */ - | if_block common_stmt - | if_block menu_stmt - | if_block choice_stmt +if_stmt: if_entry stmt_list if_end ; /* menu entry */ @@ -372,27 +342,26 @@ menu: T_MENU prompt T_EOL printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno()); }; -menu_entry: menu visibility_list depends_list +menu_entry: menu menu_option_list { $$ = menu_add_menu(); }; menu_end: end { - if (zconf_endtoken($1, T_MENU, T_ENDMENU)) { + if (zconf_endtoken($1, "menu")) { menu_end_menu(); printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno()); } }; -menu_stmt: menu_entry menu_block menu_end +menu_stmt: menu_entry stmt_list menu_end ; -menu_block: +menu_option_list: /* empty */ - | menu_block common_stmt - | menu_block menu_stmt - | menu_block choice_stmt + | menu_option_list visible + | menu_option_list depends ; source_stmt: T_SOURCE prompt T_EOL @@ -411,7 +380,12 @@ comment: T_COMMENT prompt T_EOL printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno()); }; -comment_stmt: comment depends_list +comment_stmt: comment comment_option_list +; + +comment_option_list: + /* empty */ + | comment_option_list depends ; /* help option */ @@ -440,13 +414,6 @@ help: help_start T_HELPTEXT /* depends option */ -depends_list: - /* empty */ - | depends_list depends - | depends_list T_EOL - | depends_list option_error -; - depends: T_DEPENDS T_ON expr T_EOL { menu_add_dep($3); @@ -454,14 +421,7 @@ depends: T_DEPENDS T_ON expr T_EOL }; /* visibility option */ - -visibility_list: - /* empty */ - | visibility_list visible - | visibility_list T_EOL -; - -visible: T_VISIBLE if_expr +visible: T_VISIBLE if_expr T_EOL { menu_add_visibility($2); }; @@ -479,14 +439,9 @@ prompt: T_WORD | T_WORD_QUOTE ; -end: T_ENDMENU T_EOL { $$ = $1; } - | T_ENDCHOICE T_EOL { $$ = $1; } - | T_ENDIF T_EOL { $$ = $1; } -; - -nl: - T_EOL - | nl T_EOL +end: T_ENDMENU T_EOL { $$ = "menu"; } + | T_ENDCHOICE T_EOL { $$ = "choice"; } + | T_ENDIF T_EOL { $$ = "if"; } ; if_expr: /* empty */ { $$ = NULL; } @@ -518,7 +473,13 @@ word_opt: /* empty */ { $$ = NULL; } /* assignment statement */ -assignment_stmt: T_VARIABLE T_ASSIGN assign_val T_EOL { variable_add($1, $3, $2); free($1); free($3); } +assignment_stmt: T_WORD assign_op assign_val T_EOL { variable_add($1, $3, $2); free($1); free($3); } + +assign_op: + T_EQUAL { $$ = VAR_RECURSIVE; } + | T_COLON_EQUAL { $$ = VAR_SIMPLE; } + | T_PLUS_EQUAL { $$ = VAR_APPEND; } +; assign_val: /* empty */ { $$ = xstrdup(""); }; @@ -563,35 +524,21 @@ void conf_parse(const char *name) sym_set_change_count(1); } -static const char *zconf_tokenname(int token) -{ - switch (token) { - case T_MENU: return "menu"; - case T_ENDMENU: return "endmenu"; - case T_CHOICE: return "choice"; - case T_ENDCHOICE: return "endchoice"; - case T_IF: return "if"; - case T_ENDIF: return "endif"; - case T_DEPENDS: return "depends"; - case T_VISIBLE: return "visible"; - } - return "<token>"; -} - -static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken) +static bool zconf_endtoken(const char *tokenname, + const char *expected_tokenname) { - if (id->token != endtoken) { + if (strcmp(tokenname, expected_tokenname)) { zconf_error("unexpected '%s' within %s block", - id->name, zconf_tokenname(starttoken)); + tokenname, expected_tokenname); yynerrs++; return false; } if (current_menu->file != current_file) { zconf_error("'%s' in different file than '%s'", - id->name, zconf_tokenname(starttoken)); + tokenname, expected_tokenname); fprintf(stderr, "%s:%d: location of the '%s'\n", current_menu->file->name, current_menu->lineno, - zconf_tokenname(starttoken)); + expected_tokenname); yynerrs++; return false; } @@ -781,10 +728,5 @@ void zconfdump(FILE *out) } } -#include "zconf.lex.c" #include "util.c" -#include "confdata.c" -#include "expr.c" -#include "symbol.c" #include "menu.c" -#include "preprocess.c" |