diff options
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/tm.texi | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index c5863952802..227636f47a0 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -8514,12 +8514,13 @@ pragma of the form @var{space} is the case-sensitive namespace of the pragma, or @code{NULL} to put the pragma in the global namespace. The callback routine receives @var{pfile} as its first argument, which can be passed -on to cpplib's functions if necessary. It may read any text after the -@var{name} by making calls to @code{c_lex}. Text which is not read by -the callback will be silently ignored. +on to cpplib's functions if necessary. You can lex tokens after the +@var{name} by calling @code{c_lex}. Tokens that are not read by the +callback will be silently ignored. The end of the line is indicated by +a token of type @code{CPP_EOF}. For an example use of this routine, see @file{c4x.h} and the callback -routines defined in @file{c4x.c}. +routines defined in @file{c4x-c.c}. Note that the use of @code{c_lex} is specific to the C and C++ compilers. It will not work in the Java or Fortran compilers, or any |