bjoernager/rust
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implement --print=all-target-specs-json

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Pietro Albini 2023-03-09 14:52:45 +01:00
parent e592aaa705
commit ef2bf6d505
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GPG key ID: CD76B35F7734769E
3 changed files with 28 additions and 4 deletions
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11
compiler/rustc_driver_impl/src/lib.rs
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@ -44,8 +44,10 @@ use rustc_session::{early_error, early_error_no_abort, early_warn};
use rustc_span::source_map::{FileLoader, FileName};
use rustc_span::symbol::sym;
use rustc_target::json::ToJson;
use rustc_target::spec::{Target, TargetTriple};
use std::cmp::max;
use std::collections::BTreeMap;
use std::env;
use std::ffi::OsString;
use std::fs;
@ -648,6 +650,15 @@ fn print_crate_info(
TargetSpec => {
println!("{}", serde_json::to_string_pretty(&sess.target.to_json()).unwrap());
}
AllTargetSpecs => {
let mut targets = BTreeMap::new();
for name in rustc_target::spec::TARGETS {
let triple = TargetTriple::from_triple(name);
let target = Target::expect_builtin(&triple);
targets.insert(name, target.to_json());
}
println!("{}", serde_json::to_string_pretty(&targets).unwrap());
}
FileNames | CrateName => {
let Some(attrs) = attrs.as_ref() else {
// no crate attributes, print out an error and exit