T0b1/wasmtime
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Do not use 1-member tuples in external constructor/extractor trait methods

Browse Source 
Just use the single member type directly.
This commit is contained in:
Nick Fitzgerald
2021-10-13 13:46:45 -07:00
committed by Chris Fallin
parent 0e02ec4cba
commit e015a49270
1 changed files with 22 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
cranelift/isle/isle/src/codegen.rs
View File

@@ -78,22 +78,24 @@ impl<'a> Codegen<'a> {
fn generate_trait_sig(&self, code: &mut String, indent: &str, sig: &ExternalSig) {
writeln!(
code,
"{}fn {}(&mut self, {}) -> {}({},){};",
indent,
sig.func_name,
sig.param_tys
"{indent}fn {name}(&mut self, {params}) -> {opt_start}{open_paren}{rets}{close_paren}{opt_end};",
indent = indent,
name = sig.func_name,
params = sig.param_tys
.iter()
.enumerate()
.map(|(i, &ty)| format!("arg{}: {}", i, self.type_name(ty, /* by_ref = */ true)))
.collect::<Vec<_>>()
.join(", "),
if sig.infallible { "" } else { "Option<" },
sig.ret_tys
opt_start = if sig.infallible { "" } else { "Option<" },
open_paren = if sig.ret_tys.len() != 1 { "(" } else { "" },
rets = sig.ret_tys
.iter()
.map(|&ty| self.type_name(ty, /* by_ref = */ false))
.collect::<Vec<_>>()
.join(", "),
if sig.infallible { "" } else { ">" },
close_paren = if sig.ret_tys.len() != 1 { ")" } else { "" },
opt_end = if sig.infallible { "" } else { ">" },
)
.unwrap();
}
@@ -386,8 +388,12 @@ impl<'a> Codegen<'a> {
..
} => {
let mut input_exprs = vec![];
for (input_value, _) in inputs {
let value_expr = self.value_by_val(input_value, ctx);
for (input_value, input_ty) in inputs {
let value_expr = if self.typeenv.types[input_ty.index()].is_prim() {
self.value_by_val(input_value, ctx)
} else {
self.value_by_ref(input_value, ctx)
};
input_exprs.push(value_expr);
}
@@ -555,11 +561,13 @@ impl<'a> Codegen<'a> {
if infallible {
writeln!(
code,
"{}let ({},) = {}(ctx, {});",
indent,
output_binders.join(", "),
sig.full_name,
input_values.join(", "),
"{indent}let {open_paren}{vars}{close_paren} = {name}(ctx, {args});",
indent = indent,
open_paren = if output_binders.len() == 1 { "" } else { "(" },
vars = output_binders.join(", "),
close_paren = if output_binders.len() == 1 { "" } else { ")" },
name = sig.full_name,
args = input_values.join(", "),
)
.unwrap();
true