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[19/27] kconfig: use T_WORD instead of T_VARIABLE for variables

Message ID 1544526070-16690-20-git-send-email-yamada.masahiro@socionext.com
State Accepted
Commit 171a515d080327b861d5e5fc9bbfa77f10cfddd7
Headers show
Series kconfig: remove all reduce/shift conflicts, refactor lexer, fix various issues | expand

Commit Message

Masahiro Yamada Dec. 11, 2018, 11:01 a.m. UTC 
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@socionext.com>

---

 scripts/kconfig/zconf.l | 4 ++--
 scripts/kconfig/zconf.y | 3 +--
 2 files changed, 3 insertions(+), 4 deletions(-)

-- 
2.7.4
diff mbox series

Patch

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; }