language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-09-28 14:24:45 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

Merge pull request #2116 from rtfeldman/str_to_num

Browse source 
Str.toNum
This commit is contained in:
Richard Feldman 2021-12-09 09:48:38 -05:00 • committed by GitHub
commit 1ce648ac27
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
14 changed files with 771 additions and 55 deletions
Download patch file Download diff file Expand all files Collapse all files

25
compiler/gen_llvm/src/llvm/build.rs
View file

@ -5272,6 +5272,31 @@ fn run_low_level<'a, 'ctx, 'env>(
str_ends_with(env, scope, args[0], args[1])
}
StrToNum => {
// Str.toNum : Str -> Result (Num *) {}
debug_assert_eq!(args.len(), 1);
let (string, _string_layout) = load_symbol_and_layout(scope, &args[0]);
if let Layout::Struct(struct_layout) = layout {
// match on the return layout to figure out which zig builtin we need
let intrinsic = match struct_layout[0] {
Layout::Builtin(Builtin::Int(int_width)) => &bitcode::STR_TO_INT[int_width],
Layout::Builtin(Builtin::Float(float_width)) => {
&bitcode::STR_TO_FLOAT[float_width]
}
Layout::Builtin(Builtin::Decimal) => bitcode::DEC_FROM_STR,
_ => unreachable!(),
};
let string =
complex_bitcast(env.builder, string, env.str_list_c_abi().into(), "to_utf8");
call_bitcode_fn(env, &[string], intrinsic)
} else {
unreachable!()
}
}
StrFromInt => {
// Str.fromInt : Int -> Str
debug_assert_eq!(args.len(), 1);