shithub: scc

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Add a print element to inline expressions

It is important emit a print element, because in other case
the user will not see the output of the expression.

--- a/cc.h

+++ b/cc.h

@@ -204,7 +204,8 @@

 extern void

 	emitdcl(Symbol *), emitsframe(Symbol *), emiteframe(Symbol *),

 	emitsym(Node *), emitunary(Node *),

-	emitbin(Node *), emitexp(Node *), emitconst(Node *np);

+	emitbin(Node *), emitexp(Node *), emitconst(Node *np),

+	emitprint(Node *);

 extern Node

 	*node(Inst code, Type *tp, union unode u, uint8_t nchilds),

--- a/code.c

+++ b/code.c

@@ -165,6 +165,13 @@

 }

 void

+emitprint(Node *np)

+{

+	(*np->code)(np);

+	printf("\tk%c\n", np->type->letter);

+}

+

+void

 emitfun(Symbol *sym)

 {

 	printf("%c%d\tn%s\n",

--- a/decl.c

+++ b/decl.c

@@ -482,8 +482,8 @@

 		break;

 	case '@':

 		next();

-		emitexp(expr());

-		return;

+		emitprint(expr());

+		goto semicolon;

 	default:

 		goto dcl_expected;

 	}

@@ -515,10 +515,13 @@

 					; /* TODO: handle extern */

 				else if (accept('='))

 					initializer(tp);

+				emitdcl(sym);

+

 			}

 		} while (accept(','));

 	}

+semicolon:

 	expect(';');

 	return;

-- 

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