scc

commit a2e43bb731e42e513878f7ae93255ae329ebbf0c
parent e888ffdaf5a6a7aee73253cc982847e72be0bd94
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Mon, 11 Aug 2014 23:38:41 +0200

Add comma operator

Diffstat:
M
cc2/cc2.h
 | 
1
+
M
cc2/cgen.c
 | 
3
+++
M
cc2/parser.c
 | 
1
+

3 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/cc2/cc2.h b/cc2/cc2.h
@@ -88,6 +88,7 @@ enum nerrors {
 #define OAND      'y'
 #define ONEG      '_'
 #define OCPL      '~'
+#define OCOMMA    ','
 
 extern void error(unsigned nerror, ...);
 extern void genaddable(Node *list[]);
diff --git a/cc2/cgen.c b/cc2/cgen.c
@@ -124,6 +124,7 @@ xcgen(Node *np)
 	}
 
 	switch (np->op) {
+	case OCOMMA:
 	case ONEG:   case OCPL:
 	case OOR:    case OAND:
 	case OPTR:   case OADDR:
@@ -200,6 +201,7 @@ xaddable(Node *np)
 	case OPTR:   case OADDR:
 		xaddable(lp);
 		break;
+	case OCOMMA:
 	case OOR:    case OAND:
 	case OLT:    case OGT:  case OGE:  case OLE:  case OEQ:  case ONE:
 	case OINC:
@@ -238,3 +240,4 @@ genaddable(Node *list[])
 	while (np = *list++)
 		xaddable(np);
 }
+
diff --git a/cc2/parser.c b/cc2/parser.c
@@ -304,6 +304,7 @@ static void (*optbl[])(char *) = {
 	['o'] = operator,
 	['_'] = unary,
 	['~'] = unary,
+	[','] = operator,
 	['\177'] = NULL
 };