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69d340c684
While working on the parser code, I noticed that yyerror is exported
from each parser. It is used by this code in parse.c:
TRY
{
if (lang->la_parser (&ps))
lang->la_error (NULL);
}
However, it seems to me that la_error will never be called here,
because in every case, la_parser throws an exception on error -- each
implementation of yyerror just calls error.
So, this patch removes la_error and makes all the yyerror functions
static. This is handy primarily because it makes it simpler to make
the expression parsers pure.
Tested by the buildbot.
gdb/ChangeLog
2018-06-18 Tom Tromey <tom@tromey.com>
* rust-lang.h (rust_yyerror): Don't declare.
* rust-lang.c (rust_language_defn): Update.
* rust-exp.y (yyerror): Now static.
* parse.c (parse_exp_in_context_1): Update.
* p-lang.h (p_yyerror): Don't declare.
* p-lang.c (p_language_defn): Update.
* p-exp.y (yyerror): Now static.
* opencl-lang.c (opencl_language_defn): Update.
* objc-lang.c (objc_language_defn): Update.
* m2-lang.h (m2_yyerror): Don't declare.
* m2-lang.c (m2_language_defn): Update.
* m2-exp.y (yyerror): Now static.
* language.h (struct language_defn) <la_error>: Remove.
* language.c (unk_lang_error): Remove.
(unknown_language_defn, auto_language_defn): Remove.
* go-lang.h (go_yyerror): Don't declare.
* go-lang.c (go_language_defn): Update.
* go-exp.y (yyerror): Now static.
* f-lang.h (f_yyerror): Don't declare.
* f-lang.c (f_language_defn): Update.
* f-exp.y (yyerror): Now static.
* d-lang.h (d_yyerror): Don't declare.
* d-lang.c (d_language_defn): Update.
* d-exp.y (yyerror): Now static.
* c-lang.h (c_yyerror): Don't declare.
* c-lang.c (c_language_defn, cplus_language_defn)
(asm_language_defn, minimal_language_defn): Update.
* c-exp.y (yyerror): Now static.
* ada-lang.h (ada_yyerror): Don't declare.
* ada-lang.c (ada_language_defn): Update.
* ada-exp.y (yyerror): Now static.
52 lines
1.9 KiB
C++
52 lines
1.9 KiB
C++
/* Rust language support definitions for GDB, the GNU debugger.
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Copyright (C) 2016-2018 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef RUST_LANG_H
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#define RUST_LANG_H
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struct parser_state;
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struct type;
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/* The la_parser implementation for Rust. */
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extern int rust_parse (struct parser_state *);
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/* Return true if TYPE is a tuple type; otherwise false. */
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extern bool rust_tuple_type_p (struct type *type);
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/* Return true if TYPE is a tuple struct type; otherwise false. */
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extern bool rust_tuple_struct_type_p (struct type *type);
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/* Given a block, find the name of the block's crate. Returns an empty
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stringif no crate name can be found. */
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extern std::string rust_crate_for_block (const struct block *block);
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/* Returns the last segment of a Rust path like foo::bar::baz. Will
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not handle cases where the last segment contains generics. */
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extern const char *rust_last_path_segment (const char *path);
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/* Create a new slice type. NAME is the name of the type. ELT_TYPE
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is the type of the elements of the slice. USIZE_TYPE is the Rust
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"usize" type to use. The new type is allocated whereever ELT_TYPE
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is allocated. */
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extern struct type *rust_slice_type (const char *name, struct type *elt_type,
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struct type *usize_type);
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#endif /* RUST_LANG_H */
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