carl9170 toolchain: update to gcc 6.2.0 and binutils 2.27

[carl9170fw.git] / config / zconf.l

diff --git a/config/zconf.l b/config/zconf.l
index a2b289519df6139ca2f029e50dba256d2f3b57b3..9720530ed688d1593b2fe1ef72ce7d6b054a6a0d 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;
@@ -40,7 +40,7 @@ static void zconf_endfile(void);
 
 static void new_string(void)
 {
-       text = malloc(START_STRSIZE);
+       text = xmalloc(START_STRSIZE);
        text_asize = START_STRSIZE;
        text_size = 0;
        *text = 0;
@@ -62,14 +62,20 @@ static void append_string(const char *str, int size)
 
 static void alloc_string(const char *str, int size)
 {
-       text = malloc(size + 1);
+       text = xmalloc(size + 1);
        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);
+}
 %}
 
-ws     [ \n\t]
-n      [A-Za-z0-9_]
+n      [A-Za-z0-9_-]
 
 %%
        int str = 0;
@@ -107,7 +113,7 @@ n   [A-Za-z0-9_]
                zconflval.string = text;
                return T_WORD;
        }
-       .
+       .       warn_ignored_character(*yytext);
        \n      {
                BEGIN(INITIAL);
                current_file->lineno++;
@@ -123,14 +129,17 @@ 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;
@@ -142,7 +151,8 @@ n   [A-Za-z0-9_]
        }
        #.*     /* comment */
        \\\n    current_file->lineno++;
-       .
+       [[:blank:]]+
+       .       warn_ignored_character(*yytext);
        <<EOF>> {
                BEGIN(INITIAL);
        }
@@ -288,7 +298,7 @@ void zconf_initscan(const char *name)
                exit(1);
        }
 
-       current_buf = malloc(sizeof(*current_buf));
+       current_buf = xmalloc(sizeof(*current_buf));
        memset(current_buf, 0, sizeof(*current_buf));
 
        current_file = file_lookup(name);
@@ -299,7 +309,7 @@ void zconf_nextfile(const char *name)
 {
        struct file *iter;
        struct file *file = file_lookup(name);
-       struct buffer *buf = malloc(sizeof(*buf));
+       struct buffer *buf = xmalloc(sizeof(*buf));
        memset(buf, 0, sizeof(*buf));
 
        current_buf->state = YY_CURRENT_BUFFER;