shithub: scc

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Add bit logical xor

--- a/cc.h

+++ b/cc.h

@@ -220,7 +220,8 @@

 enum {

 	OCAST, OPTR, OADD, OARY, OSIZE, OMUL, OSUB,

 	OINC, ODEC, OPINC, OPDEC, ODIV, OMOD, OSHL,

-	OSHR, OLT, OGT, OGE, OLE, OEQ, ONE, OBAND

+	OSHR, OLT, OGT, OGE, OLE, OEQ, ONE, OBAND,

+	OBXOR

 };

 extern void

--- a/code.c

+++ b/code.c

@@ -24,7 +24,8 @@

 	[OLE] =  "[",

 	[OEQ] = "=",

 	[ONE] = "!",

-	[OBAND] = "&"

+	[OBAND] = "&",

+	[OBXOR]  = "^"

 };

 Node *

--- a/expr.c

+++ b/expr.c

@@ -390,6 +390,19 @@

 	return np;

 }

+static Node *

+bit_xor(void)

+{

+	register Node *np;

+

+	np = bit_and();

+	while (yytoken == '^') {

+		next();

+		np = bitlogic(OBXOR,  np, bit_and());

+	}

+	return np;

+}

+

 Node *

 expr(void)

 {

@@ -396,7 +409,7 @@

 	register Node *np;

 	do

-		np = bit_and();

+		np = bit_xor();

 	while (yytoken == ',');

 	return np;

 }