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| author | vern <vern> | 1995-03-05 20:37:26 +0000 |
|---|---|---|
| committer | vern <vern> | 1995-03-05 20:37:26 +0000 |
| commit | 904d8d2b8f8b11743967cf75741c8086f64206cc (patch) | |
| tree | 7e83016ea89debafd3bed0505ee48865687fde4f /main.c | |
| parent | 8afe518ac26bbc147e2864c8433b8dc3fdd0fcf8 (diff) | |
| download | flex-904d8d2b8f8b11743967cf75741c8086f64206cc.tar.gz | |
added yyclass
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 23 |
1 files changed, 21 insertions, 2 deletions
@@ -32,7 +32,7 @@ char copyright[] = All rights reserved.\n"; #endif /* not lint */ -/* $Header: /cvsroot/flex/flex/main.c,v 2.56 1995/03/05 16:37:51 vern Exp $ */ +/* $Header: /cvsroot/flex/flex/main.c,v 2.57 1995/03/05 20:37:53 vern Exp $ */ #include "flexdef.h" @@ -66,7 +66,7 @@ char *action_array; int action_size, defs1_offset, prolog_offset, action_offset, action_index; char *infilename = NULL, *outfilename = NULL; int did_outfilename; -char *prefix; +char *prefix, *yyclass; int do_stdinit, use_stdout; int onestate[ONE_STACK_SIZE], onesym[ONE_STACK_SIZE]; int onenext[ONE_STACK_SIZE], onedef[ONE_STACK_SIZE], onesp; @@ -576,6 +576,7 @@ char **argv; performance_report = 0; did_outfilename = 0; prefix = "yy"; + yyclass = 0; use_read = use_stdout = false; sawcmpflag = false; @@ -965,8 +966,22 @@ _( "Variable trailing context rules entail a large performance penalty\n" ) ); } if ( C_plus_plus ) + { outn( "\n#include <FlexLexer.h>" ); + if ( yyclass ) + { + outn( "int yyFlexLexer::yylex()" ); + outn( "\t{" ); + outn( +"\tLexerError( \"yyFlexLexer::yylex invoked but %option yyclass used\" );" ); + outn( "\t}" ); + + out_str( "\n#define YY_DECL int %s::yylex()\n", + yyclass ); + } + } + else { if ( yytext_is_array ) @@ -977,6 +992,10 @@ _( "Variable trailing context rules entail a large performance penalty\n" ) ); outn( "extern char *yytext;" ); outn( "#define yytext_ptr yytext" ); } + + if ( yyclass ) + flexerror( + _( "%option yyclass only meaningful for C++ scanners" ) ); } if ( useecs ) |