There is no grammatical ambiguity by using T_WORD for variables. The parser can distinguish variables from symbols from the context. Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> --- scripts/kconfig/zconf.l | 4 ++-- scripts/kconfig/zconf.y | 3 +-- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l index 981b5f8..defb722 100644 --- a/scripts/kconfig/zconf.l +++ b/scripts/kconfig/zconf.l @@ -116,13 +116,13 @@ n [A-Za-z0-9_-] } alloc_string(yytext, yyleng); yylval.string = text; - return T_VARIABLE; + return T_WORD; } ({n}|$)+ { /* this token includes at least one '$' */ yylval.string = expand_token(yytext, yyleng); if (strlen(yylval.string)) - return T_VARIABLE; + return T_WORD; free(yylval.string); } "=" { BEGIN(ASSIGN_VAL); return T_EQUAL; } diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index 97f86e2..3c44d67 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -84,7 +84,6 @@ static struct menu *current_menu, *current_entry; %token T_STRING %token T_TRISTATE %token T_EOL -%token <string> T_VARIABLE %token <string> T_ASSIGN_VAL %left T_OR @@ -480,7 +479,7 @@ word_opt: /* empty */ { $$ = NULL; } /* assignment statement */ -assignment_stmt: T_VARIABLE assign_op assign_val T_EOL { variable_add($1, $3, $2); free($1); free($3); } +assignment_stmt: T_WORD assign_op assign_val T_EOL { variable_add($1, $3, $2); free($1); free($3); } assign_op: T_EQUAL { $$ = VAR_RECURSIVE; } -- 2.7.4