To simplify the generated lexer, switch to the ASSIGN_VAL state in the hand-made lexer.
Signed-off-by: Masahiro Yamada <[email protected]> --- scripts/kconfig/zconf.l | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l index c8823a4..d462507 100644 --- a/scripts/kconfig/zconf.l +++ b/scripts/kconfig/zconf.l @@ -25,6 +25,7 @@ static struct { int lineno; } current_pos; +static int prev_prev_token = T_EOL; static int prev_token = T_EOL; static char *text; static int text_size, text_asize; @@ -124,9 +125,9 @@ n [A-Za-z0-9_-] return T_WORD; free(yylval.string); } - "=" { BEGIN(ASSIGN_VAL); return T_EQUAL; } - ":=" { BEGIN(ASSIGN_VAL); return T_COLON_EQUAL; } - "+=" { BEGIN(ASSIGN_VAL); return T_PLUS_EQUAL; } + "=" return T_EQUAL; + ":=" return T_COLON_EQUAL; + "+=" return T_PLUS_EQUAL; [[:blank:]]+ . warn_ignored_character(*yytext); \n { @@ -294,6 +295,11 @@ repeat: if ((prev_token == T_EOL || prev_token == T_HELPTEXT) && token == T_EOL) goto repeat; + if (prev_prev_token == T_EOL && prev_token == T_WORD && + (token == T_EQUAL || token == T_COLON_EQUAL || token == T_PLUS_EQUAL)) + BEGIN(ASSIGN_VAL); + + prev_prev_token = prev_token; prev_token = token; return token; -- 2.7.4
