use std::num::NonZeroU32;
use crate::cgu_reuse_tracker::CguReuse;
+use crate::parse::ParseSess;
use crate::{self as rustc_session};
-use rustc_errors::MultiSpan;
+use rustc_errors::{fluent, MultiSpan};
use rustc_macros::SessionDiagnostic;
use rustc_span::{Span, Symbol};
+use rustc_target::abi::TargetDataLayoutErrors;
#[derive(SessionDiagnostic)]
#[diag(session::incorrect_cgu_reuse_type)]
pub feature: Symbol,
}
-#[derive(SessionDiagnostic)]
-#[diag(session::target_data_layout_parse_error)]
-pub struct TargetDataLayoutParseError {
- pub err: String,
+pub struct TargetDataLayoutParseError<'a> {
+ pub err: TargetDataLayoutErrors<'a>,
+}
+
+impl crate::SessionDiagnostic<'_, !> for TargetDataLayoutParseError<'_> {
+ fn into_diagnostic(self, sess: &ParseSess) -> rustc_errors::DiagnosticBuilder<'_, !> {
+ let mut diag;
+ match self.err {
+ TargetDataLayoutErrors::InvalidAddressSpace { addr_space, err, cause } => {
+ diag = sess.struct_fatal(fluent::session::target_invalid_address_space);
+ diag.set_arg("addr_space", addr_space);
+ diag.set_arg("cause", cause);
+ diag.set_arg("err", err);
+ diag
+ }
+ TargetDataLayoutErrors::InvalidBits { kind, bit, cause, err } => {
+ diag = sess.struct_fatal(fluent::session::target_invalid_bits);
+ diag.set_arg("kind", kind);
+ diag.set_arg("bit", bit);
+ diag.set_arg("cause", cause);
+ diag.set_arg("err", err);
+ diag
+ }
+ TargetDataLayoutErrors::MissingAlignment { cause } => {
+ diag = sess.struct_fatal(fluent::session::target_missing_alignment);
+ diag.set_arg("cause", cause);
+ diag
+ }
+ TargetDataLayoutErrors::InvalidAlignment { cause, err } => {
+ diag = sess.struct_fatal(fluent::session::target_invalid_alignment);
+ diag.set_arg("cause", cause);
+ diag.set_arg("err", err);
+ diag
+ }
+ TargetDataLayoutErrors::InconsistentTargetArchitecture { dl, target } => {
+ diag = sess.struct_fatal(fluent::session::target_inconsistent_architecture);
+ diag.set_arg("dl", dl);
+ diag.set_arg("target", target);
+ diag
+ }
+ TargetDataLayoutErrors::InconsistentTargetPointerWidth { pointer_size, target } => {
+ diag = sess.struct_fatal(fluent::session::target_inconsistent_pointer_width);
+ diag.set_arg("pointer_size", pointer_size);
+ diag.set_arg("target", target);
+ diag
+ }
+ TargetDataLayoutErrors::InvalidBitsSize { err } => {
+ diag = sess.struct_fatal(fluent::session::target_invalid_bits_size);
+ diag.set_arg("err", err);
+ diag
+ }
+ }
+ }
}
#[derive(SessionDiagnostic)]
use std::convert::{TryFrom, TryInto};
use std::fmt;
use std::iter::Step;
-use std::num::NonZeroUsize;
+use std::num::{NonZeroUsize, ParseIntError};
use std::ops::{Add, AddAssign, Deref, Mul, RangeInclusive, Sub};
use std::str::FromStr;
}
}
+pub enum TargetDataLayoutErrors<'a> {
+ InvalidAddressSpace { addr_space: &'a str, cause: &'a str, err: ParseIntError },
+ InvalidBits { kind: &'a str, bit: &'a str, cause: &'a str, err: ParseIntError },
+ MissingAlignment { cause: &'a str },
+ InvalidAlignment { cause: &'a str, err: String },
+ InconsistentTargetArchitecture { dl: &'a str, target: &'a str },
+ InconsistentTargetPointerWidth { pointer_size: u64, target: u32 },
+ InvalidBitsSize { err: String },
+}
+
impl TargetDataLayout {
- pub fn parse(target: &Target) -> Result<TargetDataLayout, String> {
+ pub fn parse<'a>(target: &'a Target) -> Result<TargetDataLayout, TargetDataLayoutErrors<'a>> {
// Parse an address space index from a string.
- let parse_address_space = |s: &str, cause: &str| {
+ let parse_address_space = |s: &'a str, cause: &'a str| {
s.parse::<u32>().map(AddressSpace).map_err(|err| {
- format!("invalid address space `{}` for `{}` in \"data-layout\": {}", s, cause, err)
+ TargetDataLayoutErrors::InvalidAddressSpace { addr_space: s, cause, err }
})
};
// Parse a bit count from a string.
- let parse_bits = |s: &str, kind: &str, cause: &str| {
- s.parse::<u64>().map_err(|err| {
- format!("invalid {} `{}` for `{}` in \"data-layout\": {}", kind, s, cause, err)
+ let parse_bits = |s: &'a str, kind: &'a str, cause: &'a str| {
+ s.parse::<u64>().map_err(|err| TargetDataLayoutErrors::InvalidBits {
+ kind,
+ bit: s,
+ cause,
+ err,
})
};
// Parse a size string.
- let size = |s: &str, cause: &str| parse_bits(s, "size", cause).map(Size::from_bits);
+ let size = |s: &'a str, cause: &'a str| parse_bits(s, "size", cause).map(Size::from_bits);
// Parse an alignment string.
- let align = |s: &[&str], cause: &str| {
+ let align = |s: &[&'a str], cause: &'a str| {
if s.is_empty() {
- return Err(format!("missing alignment for `{}` in \"data-layout\"", cause));
+ return Err(TargetDataLayoutErrors::MissingAlignment { cause });
}
let align_from_bits = |bits| {
- Align::from_bits(bits).map_err(|err| {
- format!("invalid alignment for `{}` in \"data-layout\": {}", cause, err)
- })
+ Align::from_bits(bits)
+ .map_err(|err| TargetDataLayoutErrors::InvalidAlignment { cause, err })
};
let abi = parse_bits(s[0], "alignment", cause)?;
let pref = s.get(1).map_or(Ok(abi), |pref| parse_bits(pref, "alignment", cause))?;
// Perform consistency checks against the Target information.
if dl.endian != target.endian {
- return Err(format!(
- "inconsistent target specification: \"data-layout\" claims \
- architecture is {}-endian, while \"target-endian\" is `{}`",
- dl.endian.as_str(),
- target.endian.as_str(),
- ));
+ return Err(TargetDataLayoutErrors::InconsistentTargetArchitecture {
+ dl: dl.endian.as_str(),
+ target: target.endian.as_str(),
+ });
}
let target_pointer_width: u64 = target.pointer_width.into();
if dl.pointer_size.bits() != target_pointer_width {
- return Err(format!(
- "inconsistent target specification: \"data-layout\" claims \
- pointers are {}-bit, while \"target-pointer-width\" is `{}`",
- dl.pointer_size.bits(),
- target.pointer_width
- ));
+ return Err(TargetDataLayoutErrors::InconsistentTargetPointerWidth {
+ pointer_size: dl.pointer_size.bits(),
+ target: target.pointer_width,
+ });
}
- dl.c_enum_min_size = Integer::from_size(Size::from_bits(target.c_enum_min_bits))?;
+ dl.c_enum_min_size = match Integer::from_size(Size::from_bits(target.c_enum_min_bits)) {
+ Ok(bits) => bits,
+ Err(err) => return Err(TargetDataLayoutErrors::InvalidBitsSize { err }),
+ };
Ok(dl)
}