rishi/scryer-prolog
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bug fixes on LCO, backtracking.

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This commit is contained in:
Mark Thom
2017-12-10 01:24:23 -07:00
parent e44ad111c5
commit 37f4450c34
9 changed files with 107 additions and 106 deletions
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10
src/prolog/io.rs
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@@ -114,16 +114,16 @@ impl fmt::Display for ControlInstruction {
write!(f, "execute {}/{}", name, arity),
&ControlInstruction::Goto(p, arity) =>
write!(f, "goto {}/{}", p, arity),
&ControlInstruction::IsCall(r, ref at) =>
write!(f, "is_call {}, {}", r, at),
&ControlInstruction::IsExecute(r, ref at) =>
write!(f, "is_execute {}, {}", r, at),
&ControlInstruction::Proceed =>
write!(f, "proceed"),
&ControlInstruction::ThrowCall =>
write!(f, "call_throw"),
&ControlInstruction::ThrowExecute =>
write!(f, "execute_throw"),
&ControlInstruction::IsCall(r, ref at) =>
write!(f, "is_call {}, {}", r, at),
&ControlInstruction::IsExecute(r, ref at) =>
write!(f, "is_execute {}, {}", r, at),
}
}
}
@@ -166,7 +166,7 @@ impl fmt::Display for BuiltInInstruction {
&BuiltInInstruction::IsAtomic(r) =>
write!(f, "is_atomic {}", r),
&BuiltInInstruction::IsVar(r) =>
write!(f, "is_var {}", r),
write!(f, "is_var {}", r),
&BuiltInInstruction::ResetBlock =>
write!(f, "reset_block"),
&BuiltInInstruction::SetBall =>