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Add c-exp.h and c_string_operation

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This adds the new file c-exp.h, where C operation classes will be
declared.  The first such class, c_string_operation, is also added
here.

gdb/ChangeLog
2021-03-08  Tom Tromey  <tom@tromey.com>

	* c-lang.c (c_string_operation::evaluate): New method.
	* c-exp.h: New file.
This commit is contained in:
Tom Tromey 2021-03-08 07:27:57 -07:00
parent 9186293fd6
commit 72d0a71134
3 changed files with 177 additions and 0 deletions
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46
gdb/c-exp.h Normal file
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/* Definitions for C expressions
Copyright (C) 2020 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef C_EXP_H
#define C_EXP_H
#include "expop.h"
namespace expr
{
class c_string_operation
: public tuple_holding_operation<enum c_string_type_values,
std::vector<std::string>>
{
public:
using tuple_holding_operation::tuple_holding_operation;
value *evaluate (struct type *expect_type,
struct expression *exp,
enum noside noside) override;
enum exp_opcode opcode () const override
{ return OP_STRING; }
};
}/* namespace expr */
#endif /* C_EXP_H */