lexer: Add token for '.struct' token

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

core/lexer.c

@@ -201,6 +201,13 @@ lexer_check_direc(struct rifle_state *state, struct token *tok)
             return;
         }
 
+        break;
+    case 's':
+        if (strcmp(tok->s, ".struct") == 0) {
+            tok->type = TT_STRUCT;
+            return;
+        }
+
         break;
     }
 }

core/parser.c

@@ -58,6 +58,7 @@ static const char *toktab[] = {
     [TT_RBRACE] = qtok("}"),
     [TT_SEMI]   = qtok(";"),
     [TT_F]      = qtok(".f"),
+    [TT_STRUCT] = qtok(".struct"),
     [TT_EXTERN] = qtok(".extern"),
     [TT_DEFINE] = qtok("#define"),
     [TT_IFDEF]  = qtok("#ifdef"),

inc/rifle/token.h

@@ -19,6 +19,7 @@ typedef enum {
     TT_RBRACE,  /* '}' */
     TT_SEMI,    /* ';' */
     TT_F,       /* '.f' */
+    TT_STRUCT,  /* '.struct' */
     TT_EXTERN,  /* '.extern' */
     TT_DEFINE,  /* '#define' */
     TT_IFDEF,   /* '#ifdef' */