X-Git-Url: https://jxself.org/git/?p=carl9170fw.git;a=blobdiff_plain;f=config%2Fzconf.l;h=052a9864b7ec5bd2a5b09f3313f10408d8b3538e;hp=81c1f40cdee6262a04e6f2e7bbd7301f23cede15;hb=7bbbd919c36e802ac66320b3ed1c212487ab3f2d;hpb=7df515c55fa329c32734a5f93d251170a33f07f5

diff --git a/config/zconf.l b/config/zconf.l
index 81c1f40..052a986 100644
--- a/config/zconf.l
+++ b/config/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;
@@ -100,27 +101,24 @@ n	[A-Za-z0-9_-]
 <COMMAND>{
 	{n}+	{
 		const struct kconf_id *id = kconf_id_lookup(yytext, yyleng);
-		current_pos.file = current_file;
-		current_pos.lineno = yylineno;
 		if (id && id->flags & TF_COMMAND) {
 			BEGIN(PARAM);
-			yylval.id = id;
 			return id->token;
 		}
 		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); yylval.flavor = VAR_RECURSIVE; return T_ASSIGN; }
-	":="	{ BEGIN(ASSIGN_VAL); yylval.flavor = VAR_SIMPLE; return T_ASSIGN; }
-	"+="	{ BEGIN(ASSIGN_VAL); yylval.flavor = VAR_APPEND; return T_ASSIGN; }
+	"="	return T_EQUAL;
+	":="	return T_COLON_EQUAL;
+	"+="	return T_PLUS_EQUAL;
 	[[:blank:]]+
 	.	warn_ignored_character(*yytext);
 	\n	{
@@ -160,17 +158,16 @@ n	[A-Za-z0-9_-]
 		BEGIN(STRING);
 	}
 	\n	BEGIN(INITIAL); return T_EOL;
-	({n}|[/.])+	{
+	{n}+	{
 		const struct kconf_id *id = kconf_id_lookup(yytext, yyleng);
 		if (id && id->flags & TF_PARAM) {
-			yylval.id = id;
 			return id->token;
 		}
 		alloc_string(yytext, yyleng);
 		yylval.string = text;
 		return T_WORD;
 	}
-	({n}|[/.$])+	{
+	({n}|$)+	{
 		/* this token includes at least one '$' */
 		yylval.string = expand_token(yytext, yyleng);
 		if (strlen(yylval.string))
@@ -286,10 +283,27 @@ int yylex(void)
 repeat:
 	token = yylex1();
 
-	/* Do not pass unneeded T_EOL to the parser. */
-	if ((prev_token == T_EOL || prev_token == T_HELPTEXT) && token == T_EOL)
-		goto repeat;
+	if (prev_token == T_EOL || prev_token == T_HELPTEXT) {
+		if (token == T_EOL) {
+			/* Do not pass unneeded T_EOL to the parser. */
+			goto repeat;
+		} else {
+			/*
+			 * For the parser, update file/lineno at the first token
+			 * of each statement. Generally, \n is a statement
+			 * terminator in Kconfig, but it is not always true
+			 * because \n could be escaped by a backslash.
+			 */
+			current_pos.file = current_file;
+			current_pos.lineno = yylineno;
+		}
+	}
+
+	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;