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50 lines
2 KiB
Bash
Executable file
50 lines
2 KiB
Bash
Executable file
#!/bin/bash
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#
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# Copyright (c) 1994, 2016, Oracle and/or its affiliates. All Rights Reserved.
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# Copyright (c) 2017, 2019, MariaDB Corporation.
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA
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#
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# generate lexer files from flex input files.
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set -eu
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TMPFILE=_flex_tmp.cc
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OUTFILE=lexyy.cc
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flex -o $TMPFILE pars0lex.l
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# The Microsoft compiler needs its includes done in a certain order.
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echo '#include "univ.i"' > $OUTFILE
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# flex assigns a pointer to an int in one place without a cast, resulting in
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# a warning on Win64. Add the cast. Also define some symbols as static.
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sed -e '
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s/'"$TMPFILE"'/'"$OUTFILE"'/;
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s/^void *yyset_extra *( *YY_EXTRA_TYPE *user_defined *) *;//
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s/\(int offset = \)\((yy_c_buf_p) - (yytext_ptr)\);/\1(int)(\2);/;
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s/\(void yy\(restart\|_\(delete\|flush\)_buffer\)\)/static \1/;
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s/\(void yy_switch_to_buffer\)/MY_ATTRIBUTE((unused)) static \1/;
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s/\(void yy\(push\|pop\)_buffer_state\)/MY_ATTRIBUTE((unused)) static \1/;
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s/\(YY_BUFFER_STATE yy_create_buffer\)/static \1/;
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s/\(\(int\|void\) yy[gs]et_\)/MY_ATTRIBUTE((unused)) static \1/;
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s/\(void \*\?yy\(\(re\)\?alloc\|free\)\)/static \1/;
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s/extern int yy\(leng\|_flex_debug\|lineno\);//;
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s/\(int yy\(leng\|lineno\|_flex_debug\)\)/static \1/;
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s/\(int yylex_destroy\)/MY_ATTRIBUTE((unused)) static \1/;
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s/^\(\(FILE\|char\) *\* *yyget\)/MY_ATTRIBUTE((unused)) static \1/;
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s/^extern \(\(FILE\|char\) *\* *yy\).*//;
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s/^\(FILE\|char\) *\* *yy/static &/;
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' < $TMPFILE >> $OUTFILE
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rm $TMPFILE
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