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Switch pretty-printer roundtrip test to better parser

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This commit is contained in:
David Tolnay 2024-12-20 19:43:43 -08:00
parent 65ba6ac9a3
commit 822e8063fd
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GPG key ID: F9BA143B95FF6D82
1 changed files with 4 additions and 14 deletions
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18
tests/ui-fulldeps/pprust-expr-roundtrip.rs
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@ -1,5 +1,7 @@
//@ run-pass
//@ ignore-cross-compile
//@ aux-crate: parser=parser.rs
//@ edition: 2021
// The general idea of this test is to enumerate all "interesting" expressions and check that
// `parse(print(e)) == e` for all `e`. Here's what's interesting, for the purposes of this test:
@ -21,7 +23,6 @@
extern crate rustc_ast;
extern crate rustc_ast_pretty;
extern crate rustc_data_structures;
extern crate rustc_parse;
extern crate rustc_session;
extern crate rustc_span;
@ -32,28 +33,17 @@ extern crate thin_vec;
#[allow(unused_extern_crates)]
extern crate rustc_driver;
use parser::parse_expr;
use rustc_ast::mut_visit::{visit_clobber, MutVisitor};
use rustc_ast::ptr::P;
use rustc_ast::*;
use rustc_ast_pretty::pprust;
use rustc_parse::{new_parser_from_source_str, unwrap_or_emit_fatal};
use rustc_session::parse::ParseSess;
use rustc_span::source_map::Spanned;
use rustc_span::symbol::Ident;
use rustc_span::{FileName, DUMMY_SP};
use rustc_span::DUMMY_SP;
use thin_vec::{thin_vec, ThinVec};
fn parse_expr(psess: &ParseSess, src: &str) -> Option<P<Expr>> {
let src_as_string = src.to_string();
let mut p = unwrap_or_emit_fatal(new_parser_from_source_str(
psess,
FileName::Custom(src_as_string.clone()),
src_as_string,
));
p.parse_expr().map_err(|e| e.cancel()).ok()
}
// Helper functions for building exprs
fn expr(kind: ExprKind) -> P<Expr> {
P(Expr { id: DUMMY_NODE_ID, kind, span: DUMMY_SP, attrs: AttrVec::new(), tokens: None })