diff options
Diffstat (limited to 'Source/cmExprLexer.in.l')
| -rw-r--r-- | Source/cmExprLexer.in.l | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/Source/cmExprLexer.in.l b/Source/cmExprLexer.in.l index e32abd9992..25ddba4604 100644 --- a/Source/cmExprLexer.in.l +++ b/Source/cmExprLexer.in.l @@ -3,29 +3,21 @@ file Copyright.txt or https://cmake.org/licensing for details. */ /* -This file must be translated to C and modified to build everywhere. +This file must be translated to C++ and modified to build everywhere. -Run flex like this: +Run flex >= 2.6 like this: - flex --prefix=cmExpr_yy --header-file=cmExprLexer.h -ocmExprLexer.cxx cmExprLexer.in.l + flex --nounistd -DFLEXINT_H --prefix=cmExpr_yy --header-file=cmExprLexer.h -ocmExprLexer.cxx cmExprLexer.in.l Modify cmExprLexer.cxx: - - remove TABs - - remove use of the 'register' storage class specifier - - remove "yyscanner" argument from these methods: - yy_fatal_error, cmExpr_yyalloc, cmExpr_yyrealloc, cmExpr_yyfree - - remove all YY_BREAK lines occurring right after return statements - - change while ( 1 ) to for(;;) - -Modify cmExprLexer.h: - - remove TABs - - remove the yy_init_globals function - - remove the block that includes unistd.h - - remove #line directives (avoids bogus warning on old Sun) + - remove trailing whitespace: sed -i 's/\s*$//' cmExprLexer.h cmExprLexer.cxx + - remove blank lines at end of file + - #include "cmStandardLexer.h" at the top + - add cast in yy_scan_bytes for loop condition of _yybytes_len to size_t */ -#include "cmStandardLexer.h" +/* IWYU pragma: no_forward_declare yyguts_t */ #include "cmExprParserHelper.h" |