kconfig: use default 'yy' prefix for lexer and parser

[carl9170fw.git] / config / zconf.l

diff --git a/config/zconf.l b/config/zconf.l
index a0eec5ae617684b06f8f44c3ca7d2ac403ec37b8..3200318fbf49f179c038efc4a20ce5c1025d990d 100644 (file)
--- a/config/zconf.l
+++ b/config/zconf.l
@@ -27,8 +27,8 @@ static char *text;
 static int text_size, text_asize;
 
 struct buffer {
-        struct buffer *parent;
-        YY_BUFFER_STATE state;
+       struct buffer *parent;
+       YY_BUFFER_STATE state;
 };
 
 struct buffer *current_buf;
@@ -66,9 +66,16 @@ static void alloc_string(const char *str, int size)
        memcpy(text, str, size);
        text[size] = 0;
 }
+
+static void warn_ignored_character(char chr)
+{
+       fprintf(stderr,
+               "%s:%d:warning: ignoring unsupported character '%c'\n",
+               zconf_curname(), zconf_lineno(), chr);
+}
 %}
 
-n      [A-Za-z0-9_]
+n      [A-Za-z0-9_-]
 
 %%
        int str = 0;
@@ -99,14 +106,14 @@ n  [A-Za-z0-9_]
                current_pos.file = current_file;
                current_pos.lineno = current_file->lineno;
                if (id && id->flags & TF_COMMAND) {
-                       zconflval.id = id;
+                       yylval.id = id;
                        return id->token;
                }
                alloc_string(yytext, yyleng);
-               zconflval.string = text;
+               yylval.string = text;
                return T_WORD;
        }
-       .
+       .       warn_ignored_character(*yytext);
        \n      {
                BEGIN(INITIAL);
                current_file->lineno++;
@@ -122,26 +129,30 @@ n [A-Za-z0-9_]
        "!"     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); current_file->lineno++; return T_EOL;
-       ---     /* ignore */
-       ({n}|[-/.])+    {
+       ({n}|[/.])+     {
                const struct kconf_id *id = kconf_id_lookup(yytext, yyleng);
                if (id && id->flags & TF_PARAM) {
-                       zconflval.id = id;
+                       yylval.id = id;
                        return id->token;
                }
                alloc_string(yytext, yyleng);
-               zconflval.string = text;
+               yylval.string = text;
                return T_WORD;
        }
        #.*     /* comment */
        \\\n    current_file->lineno++;
-       .
+       [[:blank:]]+
+       .       warn_ignored_character(*yytext);
        <<EOF>> {
                BEGIN(INITIAL);
        }
@@ -150,7 +161,7 @@ n   [A-Za-z0-9_]
 <STRING>{
        [^'"\\\n]+/\n   {
                append_string(yytext, yyleng);
-               zconflval.string = text;
+               yylval.string = text;
                return T_WORD_QUOTE;
        }
        [^'"\\\n]+      {
@@ -158,7 +169,7 @@ n   [A-Za-z0-9_]
        }
        \\.?/\n {
                append_string(yytext + 1, yyleng - 1);
-               zconflval.string = text;
+               yylval.string = text;
                return T_WORD_QUOTE;
        }
        \\.?    {
@@ -167,7 +178,7 @@ n   [A-Za-z0-9_]
        \'|\"   {
                if (str == yytext[0]) {
                        BEGIN(PARAM);
-                       zconflval.string = text;
+                       yylval.string = text;
                        return T_WORD_QUOTE;
                } else
                        append_string(yytext, 1);
@@ -250,7 +261,7 @@ void zconf_starthelp(void)
 
 static void zconf_endhelp(void)
 {
-       zconflval.string = text;
+       yylval.string = text;
        BEGIN(INITIAL);
 }