shithub: scc

Info  •  Files  •  Log  •  Branches

Unified keywords and symbols

This helps in simplify the code, using the same code for both, keywords and
symbols. After this patch the lexical is simpler, because doesn't care about
the keywords.

--- a/symbol.h

+++ b/symbol.h

@@ -8,12 +8,14 @@

 struct symbol {

 	struct type *type;

 	union {

-		struct {	/* used in usual symbols */

+		struct {

 			char *str;

-			unsigned char level;

+			union {

+				unsigned char level;/* used in usual symbols */

+				unsigned char tok;  /* used in keywords */

+			};

 		};

-		unsigned char tok; /* used in keywords */

-		short val;

+		short val;	/* used in integer constant */

 	};

 	struct symbol *next;

 	struct symbol *h_next, *h_prev;