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give more context in runtime errors

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This commit is contained in:
Folkert 2020-10-25 22:06:27 +01:00
parent b4a9ffdccd
commit 646f04ef7b
1 changed files with 21 additions and 8 deletions
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29
compiler/mono/src/ir.rs
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@ -2991,7 +2991,11 @@ pub fn with_hole<'a>(
.zip(arg_symbols.iter().rev());
assign_to_symbols(env, procs, layout_cache, iter, result)
}
RuntimeError(e) => Stmt::RuntimeError(env.arena.alloc(format!("{:?}", e))),
RuntimeError(e) => {
eprintln!("emitted runtime error {:?}", &e);
Stmt::RuntimeError(env.arena.alloc(format!("{:?}", e)))
}
}
}
@ -4496,9 +4500,9 @@ fn call_by_name<'a>(
None => {
// This must have been a runtime error.
match procs.runtime_errors.get(&proc_name) {
Some(error) => {
Stmt::RuntimeError(env.arena.alloc(format!("{:?}", error)))
}
Some(error) => Stmt::RuntimeError(
env.arena.alloc(format!("runtime error {:?}", error)),
),
None => unreachable!("Proc name {:?} is invalid", proc_name),
}
}
@ -4507,10 +4511,19 @@ fn call_by_name<'a>(
}
}
}
Err(e) => {
// This function code gens to a runtime error,
// so attempting to call it will immediately crash.
Stmt::RuntimeError(env.arena.alloc(format!("{:?}", e)))
Err(LayoutProblem::UnresolvedTypeVar(var)) => {
let msg = format!(
"Hit an unresolved type variable {:?} when creating a layout for {:?}",
var, proc_name
);
Stmt::RuntimeError(env.arena.alloc(msg))
}
Err(LayoutProblem::Erroneous) => {
let msg = format!(
"Hit an erroneous type when creating a layout for {:?}",
proc_name
);
Stmt::RuntimeError(env.arena.alloc(msg))
}
}
}