Sha256: 81580f23583723f7a2a337c4d13ebc021057cd825562fb4e474caa7cc641fed9

Contents?: true

Size: 1.19 KB

Versions: 19

Compression:

Stored size: 1.19 KB

Contents

extern crate rustc_ast;
extern crate rustc_expand;
extern crate rustc_parse as parse;
extern crate rustc_session;
extern crate rustc_span;

use rustc_ast::ast;
use rustc_ast::ptr::P;
use rustc_session::parse::ParseSess;
use rustc_span::source_map::FilePathMapping;
use rustc_span::FileName;
use std::panic;

pub fn librustc_expr(input: &str) -> Option<P<ast::Expr>> {
    match panic::catch_unwind(|| {
        let sess = ParseSess::new(FilePathMapping::empty());
        let e = parse::new_parser_from_source_str(
            &sess,
            FileName::Custom("test_precedence".to_string()),
            input.to_string(),
        )
        .parse_expr();
        match e {
            Ok(expr) => Some(expr),
            Err(mut diagnostic) => {
                diagnostic.emit();
                None
            }
        }
    }) {
        Ok(Some(e)) => Some(e),
        Ok(None) => None,
        Err(_) => {
            errorf!("librustc panicked\n");
            None
        }
    }
}

pub fn syn_expr(input: &str) -> Option<syn::Expr> {
    match syn::parse_str(input) {
        Ok(e) => Some(e),
        Err(msg) => {
            errorf!("syn failed to parse\n{:?}\n", msg);
            None
        }
    }
}

Version data entries

19 entries across 19 versions & 1 rubygems

Version Path
wasmtime-14.0.4 ./ext/cargo-vendor/syn-1.0.109/tests/common/parse.rs
wasmtime-14.0.3 ./ext/cargo-vendor/syn-1.0.109/tests/common/parse.rs
wasmtime-14.0.1 ./ext/cargo-vendor/syn-1.0.109/tests/common/parse.rs
wasmtime-14.0.0 ./ext/cargo-vendor/syn-1.0.109/tests/common/parse.rs
wasmtime-13.0.0 ./ext/cargo-vendor/syn-1.0.109/tests/common/parse.rs
wasmtime-12.0.1 ./ext/cargo-vendor/syn-1.0.109/tests/common/parse.rs
wasmtime-12.0.0 ./ext/cargo-vendor/syn-1.0.109/tests/common/parse.rs
wasmtime-11.0.0 ./ext/cargo-vendor/syn-1.0.109/tests/common/parse.rs
wasmtime-10.0.1 ./ext/cargo-vendor/syn-1.0.109/tests/common/parse.rs
wasmtime-10.0.0 ./ext/cargo-vendor/syn-1.0.109/tests/common/parse.rs
wasmtime-9.0.4 ./ext/cargo-vendor/syn-1.0.109/tests/common/parse.rs
wasmtime-9.0.1 ./ext/cargo-vendor/syn-1.0.109/tests/common/parse.rs
wasmtime-8.0.0 ./ext/cargo-vendor/syn-1.0.109/tests/common/parse.rs
wasmtime-7.0.0 ./ext/cargo-vendor/syn-1.0.109/tests/common/parse.rs
wasmtime-6.0.1 ./ext/cargo-vendor/syn-1.0.108/tests/common/parse.rs
wasmtime-6.0.0 ./ext/cargo-vendor/syn-1.0.108/tests/common/parse.rs
wasmtime-5.0.0 ./ext/cargo-vendor/syn-1.0.107/tests/common/parse.rs
wasmtime-0.4.1 ./ext/cargo-vendor/syn-1.0.105/tests/common/parse.rs
wasmtime-0.4.0 ./ext/cargo-vendor/syn-1.0.105/tests/common/parse.rs