scc

commit 91886b417645874398263b84f186d8bffe40e805
parent 203eee14a2e6b32e23d94c0dfff68b32346609d3
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Fri,  8 Aug 2014 16:35:33 +0200

Add type field in Symbols

This field is necessary if we want to know what we have.

Diffstat:
M
cc2/cc2.h
 | 
2
++
M
cc2/parser.c
 | 
3
+++

2 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/cc2/cc2.h b/cc2/cc2.h
@@ -1,6 +1,7 @@
 
 typedef struct symbol {
 	char public;
+	char type;
 	struct symbol *next;
 	union {
 		struct {
@@ -46,6 +47,7 @@ enum nerrors {
 };
 
 #define FUNCTION   0
+#define VARIABLE   1
 #define AUTO      'A'
 #define REGISTER  'R'
 #define STATIC    'T'
diff --git a/cc2/parser.c b/cc2/parser.c
@@ -208,6 +208,7 @@ declaration(char *token)
 	case 'G': case 'R': case 'T':
 		break;
 	}
+	sym->type = VARIABLE;
 	sym->u.v.storage = class;
 	sym->u.v.type = gettype(strtok(NULL, "\t"));
 }
@@ -218,6 +219,7 @@ deflabel(char *token)
 	Symbol *sym;
 
 	sym = local(token);
+	sym->type = LABEL;
 	sym->u.l.addr = listp - listexp;
 }
 
@@ -228,6 +230,7 @@ function(char *token)
 	curfun = global(token);
 	if ((token = strtok(NULL, "\t")) == NULL)
 		error(ESYNTAX);
+	curfun->type = FUNCTION;
 	curfun->u.f.name = xstrdup(token);
 	listp = listexp;
 	newp = nodepool;