optimise ifstatements jumpif condition check (#13)

[bytom/equity.git] / compiler / builder.go

diff --git a/compiler/builder.go b/compiler/builder.go
index e8dca4e..b00d4ec 100644 (file)
--- a/compiler/builder.go
+++ b/compiler/builder.go
@@ -44,6 +44,10 @@ func (b *builder) addInt64(stk stack, n int64) stack {
        return b.add(s, stk.add(s))
 }
 
+func (b *builder) addNot(stk stack, desc string) stack {
+       return b.add("NOT", stk.drop().add(desc))
+}
+
 func (b *builder) addEqual(stk stack, desc string) stack {
        return b.add("EQUAL", stk.dropN(2).add(desc))
 }