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Check if we're not in stable to allow compile_fail option in rustdoc --test

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This commit is contained in:
Guillaume Gomez 2016-02-09 07:18:35 +01:00
parent ed6b575648
commit 194f1ca3f1
1 changed files with 24 additions and 3 deletions
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27
src/librustdoc/html/markdown.rs
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@ -34,6 +34,7 @@
use std::fmt;
use std::slice;
use std::str;
use std::env;
use html::render::derive_id;
use html::toc::TocBuilder;
@ -439,6 +440,18 @@ pub fn find_testable_code(doc: &str, tests: &mut ::test::Collector) {
}
}
fn get_unstable_features_setting() -> bool {
// Check if we can activate compile_fail option or not.
//
// It is done to ensure that it won't be used out-of-tree
// because it's not ready yet for production.
match (option_env!("CFG_BOOTSTRAP_KEY"),
env::var("RUSTC_BOOTSTRAP_KEY").ok()) {
(Some(ref cfg), Some(ref r_key)) => cfg == r_key,
_ => false,
}
}
#[derive(Eq, PartialEq, Clone, Debug)]
struct LangString {
should_panic: bool,
@ -465,6 +478,7 @@ fn parse(string: &str) -> LangString {
let mut seen_rust_tags = false;
let mut seen_other_tags = false;
let mut data = LangString::all_false();
let allow_compile_fail = get_unstable_features_setting();
let tokens = string.split(|c: char|
!(c == '_' || c == '-' || c.is_alphanumeric())
@ -473,13 +487,20 @@ fn parse(string: &str) -> LangString {
for token in tokens {
match token {
"" => {},
"should_panic" => { data.should_panic = true; seen_rust_tags = true; },
"should_panic" => {
data.should_panic = true;
seen_rust_tags = true;
data.no_run = true;
},
"no_run" => { data.no_run = true; seen_rust_tags = true; },
"ignore" => { data.ignore = true; seen_rust_tags = true; },
"rust" => { data.rust = true; seen_rust_tags = true; },
"test_harness" => { data.test_harness = true; seen_rust_tags = true; },
"compile_fail" => { data.compile_fail = true; seen_rust_tags = true;
data.no_run = true; },
"compile_fail" if allow_compile_fail => {
data.compile_fail = true;
seen_rust_tags = true;
data.no_run = true;
},
_ => { seen_other_tags = true }
}
}