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Add f16 and f128 support

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beetrees 2024-07-10 09:38:47 +01:00
parent da27b89ca5
commit d5db933f9d
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28 changed files with 384 additions and 73 deletions
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19
crates/ide/src/hover/render.rs
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@ -16,6 +16,10 @@ use ide_db::{
RootDatabase,
};
use itertools::Itertools;
use rustc_apfloat::{
ieee::{Half as f16, Quad as f128},
Float,
};
use stdx::format_to;
use syntax::{algo, ast, match_ast, AstNode, AstToken, Direction, SyntaxToken, T};
@ -540,13 +544,22 @@ pub(super) fn literal(sema: &Semantics<'_, RootDatabase>, token: SyntaxToken) ->
ast::Char(char) => char .value().as_ref().map_err(|e| format!("{e:?}")).map(ToString::to_string),
ast::Byte(byte) => byte .value().as_ref().map_err(|e| format!("{e:?}")).map(|it| format!("0x{it:X}")),
ast::FloatNumber(num) => {
let (text, _) = num.split_into_parts();
let text = text.replace('_', "");
if ty.as_builtin().map(|it| it.is_f32()).unwrap_or(false) {
let text = num.value_string();
if ty.as_builtin().map(|it| it.is_f16()).unwrap_or(false) {
match text.parse::<f16>() {
Ok(num) => Ok(format!("{num} (bits: 0x{:X})", num.to_bits())),
Err(e) => Err(e.0.to_owned()),
}
} else if ty.as_builtin().map(|it| it.is_f32()).unwrap_or(false) {
match text.parse::<f32>() {
Ok(num) => Ok(format!("{num} (bits: 0x{:X})", num.to_bits())),
Err(e) => Err(e.to_string()),
}
} else if ty.as_builtin().map(|it| it.is_f128()).unwrap_or(false) {
match text.parse::<f128>() {
Ok(num) => Ok(format!("{num} (bits: 0x{:X})", num.to_bits())),
Err(e) => Err(e.0.to_owned()),
}
} else {
match text.parse::<f64>() {
Ok(num) => Ok(format!("{num} (bits: 0x{:X})", num.to_bits())),