diff options
Diffstat (limited to 'scripts/kconfig/zconf.l')
| -rw-r--r-- | scripts/kconfig/zconf.l | 153 |
1 files changed, 69 insertions, 84 deletions
diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l index 9b083a176fb4..d78efad64f51 100644 --- a/scripts/kconfig/zconf.l +++ b/scripts/kconfig/zconf.l @@ -1,6 +1,6 @@ %option nostdinit noyywrap never-interactive full ecs %option 8bit nodefault yylineno -%x COMMAND HELP STRING PARAM ASSIGN_VAL +%x ASSIGN_VAL HELP STRING %{ /* * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> @@ -87,45 +87,73 @@ n [A-Za-z0-9_-] int str = 0; int ts, i; -[ \t]*#.*\n | -[ \t]*\n { - return T_EOL; -} -[ \t]*#.* -. { - unput(yytext[0]); - BEGIN(COMMAND); -} - - -<COMMAND>{ - {n}+ { - const struct kconf_id *id = kconf_id_lookup(yytext, yyleng); - if (id && id->flags & TF_COMMAND) { - BEGIN(PARAM); - return id->token; - } - alloc_string(yytext, yyleng); - yylval.string = text; - return T_WORD; - } - ({n}|$)+ { - /* this token includes at least one '$' */ - yylval.string = expand_token(yytext, yyleng); - if (strlen(yylval.string)) - return T_WORD; - free(yylval.string); - } - "=" return T_EQUAL; - ":=" return T_COLON_EQUAL; - "+=" return T_PLUS_EQUAL; - [[:blank:]]+ - . warn_ignored_character(*yytext); - \n { - BEGIN(INITIAL); - return T_EOL; - } -} +#.* /* ignore comment */ +[ \t]* /* whitespaces */ +\\\n /* escaped new line */ +\n return T_EOL; +"allnoconfig_y" return T_ALLNOCONFIG_Y; +"bool" return T_BOOL; +"choice" return T_CHOICE; +"comment" return T_COMMENT; +"config" return T_CONFIG; +"def_bool" return T_DEF_BOOL; +"def_tristate" return T_DEF_TRISTATE; +"default" return T_DEFAULT; +"defconfig_list" return T_DEFCONFIG_LIST; +"depends" return T_DEPENDS; +"endchoice" return T_ENDCHOICE; +"endif" return T_ENDIF; +"endmenu" return T_ENDMENU; +"help"|"---help---" return T_HELP; +"hex" return T_HEX; +"if" return T_IF; +"imply" return T_IMPLY; +"int" return T_INT; +"mainmenu" return T_MAINMENU; +"menu" return T_MENU; +"menuconfig" return T_MENUCONFIG; +"modules" return T_MODULES; +"on" return T_ON; +"option" return T_OPTION; +"optional" return T_OPTIONAL; +"prompt" return T_PROMPT; +"range" return T_RANGE; +"select" return T_SELECT; +"source" return T_SOURCE; +"string" return T_STRING; +"tristate" return T_TRISTATE; +"visible" return T_VISIBLE; +"||" return T_OR; +"&&" return T_AND; +"=" return T_EQUAL; +"!=" return T_UNEQUAL; +"<" return T_LESS; +"<=" return T_LESS_EQUAL; +">" return T_GREATER; +">=" return T_GREATER_EQUAL; +"!" return T_NOT; +"(" return T_OPEN_PAREN; +")" return T_CLOSE_PAREN; +":=" return T_COLON_EQUAL; +"+=" return T_PLUS_EQUAL; +\"|\' { + str = yytext[0]; + new_string(); + BEGIN(STRING); + } +{n}+ { + alloc_string(yytext, yyleng); + yylval.string = text; + return T_WORD; + } +({n}|$)+ { + /* this token includes at least one '$' */ + yylval.string = expand_token(yytext, yyleng); + if (strlen(yylval.string)) + return T_WORD; + free(yylval.string); + } +. warn_ignored_character(*yytext); <ASSIGN_VAL>{ [^[:blank:]\n]+.* { @@ -137,49 +165,6 @@ n [A-Za-z0-9_-] . } -<PARAM>{ - "modules" return T_MODULES; - "defconfig_list" return T_DEFCONFIG_LIST; - "allnoconfig_y" return T_ALLNOCONFIG_Y; - "&&" return T_AND; - "||" return T_OR; - "(" return T_OPEN_PAREN; - ")" return T_CLOSE_PAREN; - "!" return T_NOT; - "=" return T_EQUAL; - "!=" return T_UNEQUAL; - "<=" return T_LESS_EQUAL; - ">=" return T_GREATER_EQUAL; - "<" return T_LESS; - ">" return T_GREATER; - \"|\' { - str = yytext[0]; - new_string(); - BEGIN(STRING); - } - \n BEGIN(INITIAL); return T_EOL; - {n}+ { - const struct kconf_id *id = kconf_id_lookup(yytext, yyleng); - if (id && id->flags & TF_PARAM) { - return id->token; - } - alloc_string(yytext, yyleng); - yylval.string = text; - return T_WORD; - } - ({n}|$)+ { - /* this token includes at least one '$' */ - yylval.string = expand_token(yytext, yyleng); - if (strlen(yylval.string)) - return T_WORD; - free(yylval.string); - } - #.* /* comment */ - \\\n ; - [[:blank:]]+ - . warn_ignored_character(*yytext); -} - <STRING>{ "$".* append_expanded_string(yytext); [^$'"\\\n]+ { @@ -190,7 +175,7 @@ n [A-Za-z0-9_-] } \'|\" { if (str == yytext[0]) { - BEGIN(PARAM); + BEGIN(INITIAL); yylval.string = text; return T_WORD_QUOTE; } else |