shithub: scc

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Add stmtexp()

This function implements the rule: 'stmt-exp: expr ;' which
is going to be used a lot in stmt.c

--- a/decl.c

+++ b/decl.c

@@ -447,6 +447,7 @@

 			emitdcl(sym);

 		} while (accept(','));

 	}

+	expect(';');

 }

 Type *

--- a/stmt.c

+++ b/stmt.c

@@ -8,6 +8,14 @@

 extern Node *convert(Node *np, Type *tp1, char iscast);

+static Node *

+stmtexp(void)

+{

+	Node *np = expr();

+	expect(';');

+	return np;

+}

+

 static void

 Return(void)

 {

@@ -15,7 +23,7 @@

 	Type *tp = curfun->type->type;

 	expect(RETURN);

-	np = expr();

+	np = stmtexp();

 	if (np->type != tp) {

 		if (tp == voidtype)

 			warn(1, "function returning void returns a value");

@@ -39,8 +47,7 @@

 			Return();

 			break;

 		default:

-			emitexp(expr());

+			emitexp(stmtexp());

 		}

-		expect(';');

 	}

 }

-- 

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