shithub: scc

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Add do-while statement

--- a/stmt.c

+++ b/stmt.c

@@ -88,6 +88,22 @@

 }

 static void

+Dowhile(Symbol *lswitch)

+{

+	Symbol *begin= label(NULL), *end = label(NULL);

+

+

+	expect(DO);

+	emitbloop();

+	emitlabel(begin);

+	stmt(begin, end, lswitch);

+	expect(WHILE);

+	emitjump(begin, condition());

+	emiteloop();

+	emitlabel(end);

+}

+

+static void

 Return(void)

 {

 	Node *np;

@@ -132,6 +148,7 @@

 	case RETURN: Return(); break;

 	case WHILE: While(lswitch); break;

 	case FOR: For(lswitch); break;

+	case DO: Dowhile(lswitch); break;

 	default: stmtexp(); break;

 	}

 }