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* [gcc r14-8570] gccrs: Parse module safety
@ 2024-01-30 12:00 Arthur Cohen
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From: Arthur Cohen @ 2024-01-30 12:00 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:d6a0d96559b30ffac3dba5be675272f0d8e12a1e
commit r14-8570-gd6a0d96559b30ffac3dba5be675272f0d8e12a1e
Author: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
Date: Tue Nov 21 18:28:30 2023 +0100
gccrs: Parse module safety
Unsafe module are rejected at a later stage but could not be parsed
properly. This commit changes the parser in order to allow unsafe module
in the AST.
gcc/rust/ChangeLog:
* parse/rust-parse-impl.h (Parser::parse_vis_item): Dispatch to parse
module when meeting an unsafe module.
(Parser::parse_module): Set unsafe status when the parser encounter an
unsafe keyword.
Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
Diff:
---
gcc/rust/parse/rust-parse-impl.h | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/gcc/rust/parse/rust-parse-impl.h b/gcc/rust/parse/rust-parse-impl.h
index 2e24a66123b5..8087e0c2b94b 100644
--- a/gcc/rust/parse/rust-parse-impl.h
+++ b/gcc/rust/parse/rust-parse-impl.h
@@ -1418,6 +1418,8 @@ Parser<ManagedTokenSource>::parse_vis_item (AST::AttrVec outer_attrs)
return parse_function (std::move (vis), std::move (outer_attrs));
case IMPL:
return parse_impl (std::move (vis), std::move (outer_attrs));
+ case MOD:
+ return parse_module (std::move (vis), std::move (outer_attrs));
default:
add_error (
Error (t->get_locus (),
@@ -2427,6 +2429,13 @@ std::unique_ptr<AST::Module>
Parser<ManagedTokenSource>::parse_module (AST::Visibility vis,
AST::AttrVec outer_attrs)
{
+ Unsafety safety = Unsafety::Normal;
+ if (lexer.peek_token ()->get_id () == UNSAFE)
+ {
+ safety = Unsafety::Unsafe;
+ skip_token (UNSAFE);
+ }
+
location_t locus = lexer.peek_token ()->get_locus ();
skip_token (MOD);
@@ -2447,7 +2456,7 @@ Parser<ManagedTokenSource>::parse_module (AST::Visibility vis,
// Construct an external module
return std::unique_ptr<AST::Module> (
new AST::Module (std::move (name), std::move (vis),
- std::move (outer_attrs), locus, Unsafety::Normal,
+ std::move (outer_attrs), locus, safety,
lexer.get_filename (), inline_module_stack));
case LEFT_CURLY: {
lexer.skip_token ();
@@ -2504,8 +2513,7 @@ Parser<ManagedTokenSource>::parse_module (AST::Visibility vis,
return std::unique_ptr<AST::Module> (
new AST::Module (std::move (name), locus, std::move (items),
- std::move (vis), Unsafety::Normal,
- std::move (inner_attrs),
+ std::move (vis), safety, std::move (inner_attrs),
std::move (outer_attrs))); // module name?
}
default:
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