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https://github.com/ton-blockchain/ton
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A new lexer is noticeably faster and memory efficient (although splitting a file to tokens is negligible in a whole pipeline). But the purpose of rewriting lexer was not just to speed up, but to allow writing code without spaces: `2+2` is now 4, not a valid identifier as earlier. The variety of symbols allowed in identifier has greatly reduced and is now similar to other languages. SrcLocation became 8 bytes on stack everywhere. Command-line flags were also reworked: - the input for Tolk compiler is only a single file now, it's parsed, and parsing continues while new #include are resolved - flags like -A -P and so on are no more needed, actually
44 lines
1.8 KiB
C
44 lines
1.8 KiB
C
/*
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This file is part of TON Blockchain source code.
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TON Blockchain is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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TON Blockchain 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 TON Blockchain. If not, see <http://www.gnu.org/licenses/>.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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You must obey the GNU General Public License in all respects for all
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of the code used other than OpenSSL. If you modify file(s) with this
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exception, you may extend this exception to your version of the file(s),
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but you are not obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. If you delete this exception statement
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from all source files in the program, then also delete it here.
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*/
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#pragma once
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#if __GNUC__
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#define GNU_ATTRIBUTE_COLD [[gnu::cold]]
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#define GNU_ATTRIBUTE_NORETURN [[gnu::noreturn]]
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#define GNU_ATTRIBUTE_ALWAYS_INLINE [[gnu::always_inline]]
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#else
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#define GNU_ATTRIBUTE_COLD
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#define GNU_ATTRIBUTE_NORETURN [[noreturn]]
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#define GNU_ATTRIBUTE_ALWAYS_INLINE
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#endif
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#if defined(__GNUC__)
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#define LIKELY(x) __builtin_expect(x, true)
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#define UNLIKELY(x) __builtin_expect(x, false)
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#else
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#define LIKELY(x) (x)
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#define UNLIKELY(x) (x)
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#endif
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