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Improve error message indication for op calls

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This commit is contained in:
Shunsuke Shibayama 2022-08-23 22:48:06 +09:00
parent 9f6a4a43fc
commit 00db622f2b
3 changed files with 120 additions and 147 deletions
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9
compiler/erg_compiler/initialize.rs
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@ -133,7 +133,12 @@ impl Context {
// Erg does not have a trait equivalent to `PartialEq` in Rust
// This means, Erg's `Float` cannot be compared with other `Float`
// use `l - r < EPSILON` to check if two floats are almost equal
let mut eq = Self::poly_trait("Eq", vec![PS::t("R", WithDefault)], vec![], Self::TOP_LEVEL);
let mut eq = Self::poly_trait(
"Eq",
vec![PS::t("R", WithDefault)],
vec![poly("Output", vec![ty_tp(mono_q("R"))])],
Self::TOP_LEVEL,
);
// __eq__: |Self <: Eq()| Self.(Self) -> Bool
let op_t = fn1_met(mono_q("Self"), mono_q("R"), Bool);
let op_t = quant(
@ -194,7 +199,7 @@ impl Context {
let mut add = Self::poly_trait(
"Add",
params.clone(),
vec![poly("Output", vec![ty_tp(mono_q("R"))])],
vec![poly("Output", vec![ty_tp(mono_q("R"))])], // Rについて共変(__add__の型とは関係ない)
Self::TOP_LEVEL,
);
let self_bound = subtypeof(mono_q("Self"), poly("Add", ty_params.clone()));