forked from osmocom/wireshark
f51bad11d7
Tweak lemonflex-tail.inc to fix an issue this reveals. It appears that, at least on the buildbots, the Visual Studio compiler no longer issues warnings for the code generated with %option noyywrap. Change-Id: Id64d56f1ae8a79d0336488a4a50518da1f511497 Reviewed-on: https://code.wireshark.org/review/12433 Reviewed-by: Guy Harris <guy@alum.mit.edu>
78 lines
1.7 KiB
C++
78 lines
1.7 KiB
C++
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/* This file is #include'd at the bottom of a Lex/Flex scanner
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for use with the Lemon parser. You must have #define'd:
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MODNAME module name for creating function names:
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Prototypes:
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*/
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void CONCAT(MODNAME,_scanner_text(char *text));
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void CONCAT(MODNAME,_scanner_file(FILE *fh));
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void CONCAT(MODNAME,_scanner_cleanup(void));
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#ifndef YY_SKIP_YYWRAP
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int CONCAT(MODNAME,_wrap(void));
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#endif
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#include <cppmagic.h>
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#define TEXT_FUNC CONCAT(MODNAME,_scanner_text)
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#define FILE_FUNC CONCAT(MODNAME,_scanner_file)
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#define CLEANUP_FUNC CONCAT(MODNAME,_scanner_cleanup)
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#ifndef YY_SKIP_YYWRAP
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#define WRAP_FUNC CONCAT(MODNAME,_wrap)
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#endif
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/* flex 2.5.31 no longer #defines these as yy_* if used with -P. */
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#ifndef yy_scan_string
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#define yy_scan_string CONCAT(FLEX_YY_PREFIX, _scan_string)
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#endif
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#ifndef yy_create_buffer
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#define yy_create_buffer CONCAT(FLEX_YY_PREFIX, _create_buffer)
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#endif
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#ifndef yy_switch_to_buffer
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#define yy_switch_to_buffer CONCAT(FLEX_YY_PREFIX, _switch_to_buffer)
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#endif
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#ifndef yy_delete_buffer
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#define yy_delete_buffer CONCAT(FLEX_YY_PREFIX, _delete_buffer)
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#endif
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/* Resets scanner and assigns the char* argument
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* as the text to scan
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*/
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void
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TEXT_FUNC (char *text)
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{
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yy_scan_string(text);
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}
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void
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FILE_FUNC (FILE* fh)
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{
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YY_BUFFER_STATE new_buffer;
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new_buffer = yy_create_buffer(fh, YY_BUF_SIZE);
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yy_switch_to_buffer(new_buffer);
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}
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void
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CLEANUP_FUNC (void)
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{
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BEGIN(INITIAL);
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yy_delete_buffer(YY_CURRENT_BUFFER);
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}
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#ifndef YY_SKIP_YYWRAP
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/* Flex has an option '%option noyywrap' so that I don't have to
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* provide this yywrap function, but in order to maintain portability,
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* I'll just use this yywrap() function if that option wasn't used.
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*/
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int
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WRAP_FUNC (void)
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{
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return 1; /* stop at EOF, instead of looking for next file */
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}
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#endif
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