inline atomic and var.

src/prolog/macros.rs

@@ -100,14 +100,14 @@ macro_rules! try_me_else {
 }
 
 macro_rules! is_atomic {
-    () => (
-        Line::BuiltIn(BuiltInInstruction::IsAtomic)
+    ($reg:expr) => (
+        Line::BuiltIn(BuiltInInstruction::IsAtomic($reg))
     )
 }
 
 macro_rules! is_var {
-    () => (
-        Line::BuiltIn(BuiltInInstruction::IsVar)
+    ($reg:expr) => (
+        Line::BuiltIn(BuiltInInstruction::IsVar($reg))
     )
 }
 
@@ -221,6 +221,12 @@ macro_rules! fail {
     )
 }
 
+macro_rules! succeed {
+    () => (
+        Line::BuiltIn(BuiltInInstruction::Succeed)
+    )
+}
+
 macro_rules! duplicate_term {
     () => (
         Line::BuiltIn(BuiltInInstruction::DuplicateTerm)