lexer: Add tokens for LBRACE and RBRACE

Signed-off-by: Ian Moffett <ian@mirocom.org>

core/lexer.c

@@ -325,6 +325,14 @@ lexer_scan(struct rifle_state *state, struct token *res)
         res->type = TT_RPAREN;
         res->c = c;
         return 0;
+    case '{':
+        res->type = TT_LBRACE;
+        res->c = c;
+        return 0;
+    case '}':
+        res->type = TT_RBRACE;
+        res->c = c;
+        return 0;
     case '#':
         if ((c = lexer_nom(state, false)) == '\0') {
             trace_error(state, "unexpected end of file\n");

core/parser.c

@@ -53,6 +53,8 @@ static const char *toktab[] = {
     [TT_COLON]  = qtok(":"),
     [TT_LPAREN] = qtok("("),
     [TT_RPAREN] = qtok(")"),
+    [TT_LBRACE] = qtok("{"),
+    [TT_RBRACE] = qtok("}"),
     [TT_F]      = qtok(".f"),
     [TT_EXTERN] = qtok(".extern"),
     [TT_DEFINE] = qtok("#define"),

inc/rifle/token.h

@@ -14,6 +14,8 @@ typedef enum {
     TT_COLON,   /* ':' */
     TT_LPAREN,  /* '(' */
     TT_RPAREN,  /* ')' */
+    TT_LBRACE,  /* '{' */
+    TT_RBRACE,  /* '}' */
     TT_F,       /* '.f' */
     TT_EXTERN,  /* '.extern' */
     TT_DEFINE,  /* '#define' */