Module Name: src
Committed By: apb
Date: Sat Nov 24 09:07:44 UTC 2012
Modified Files:
src/gnu/dist/gcc4/libcpp: init.c macro.c
src/gnu/dist/gcc4/libcpp/include: cpplib.h
Log Message:
Teach gcc4.1's cpp about the magic __COUNTER__ macro,
which returns a unique integer each time it is expanded.
This code was written without reference to any other
implementation of the same feature.
To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/gnu/dist/gcc4/libcpp/init.c
cvs rdiff -u -r1.3 -r1.4 src/gnu/dist/gcc4/libcpp/macro.c
cvs rdiff -u -r1.2 -r1.3 src/gnu/dist/gcc4/libcpp/include/cpplib.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/gnu/dist/gcc4/libcpp/init.c
diff -u src/gnu/dist/gcc4/libcpp/init.c:1.2 src/gnu/dist/gcc4/libcpp/init.c:1.3
--- src/gnu/dist/gcc4/libcpp/init.c:1.2 Fri May 12 00:24:43 2006
+++ src/gnu/dist/gcc4/libcpp/init.c Sat Nov 24 09:07:44 2012
@@ -309,6 +309,7 @@ static const struct builtin builtin_arra
B("__BASE_FILE__", BT_BASE_FILE),
B("__LINE__", BT_SPECLINE),
B("__INCLUDE_LEVEL__", BT_INCLUDE_LEVEL),
+ B("__COUNTER__", BT_COUNTER),
/* Keep builtins not used for -traditional-cpp at the end, and
update init_builtins() if any more are added. */
B("_Pragma", BT_PRAGMA),
Index: src/gnu/dist/gcc4/libcpp/macro.c
diff -u src/gnu/dist/gcc4/libcpp/macro.c:1.3 src/gnu/dist/gcc4/libcpp/macro.c:1.4
--- src/gnu/dist/gcc4/libcpp/macro.c:1.3 Wed Nov 11 19:03:52 2009
+++ src/gnu/dist/gcc4/libcpp/macro.c Sat Nov 24 09:07:44 2012
@@ -284,6 +284,14 @@ _cpp_builtin_macro_text (cpp_reader *pfi
else
result = pfile->time;
break;
+
+ case BT_COUNTER:
+ {
+ static unsigned int counter = 0;
+
+ number = counter++;
+ }
+ break;
}
if (result == NULL)
Index: src/gnu/dist/gcc4/libcpp/include/cpplib.h
diff -u src/gnu/dist/gcc4/libcpp/include/cpplib.h:1.2 src/gnu/dist/gcc4/libcpp/include/cpplib.h:1.3
--- src/gnu/dist/gcc4/libcpp/include/cpplib.h:1.2 Wed Nov 11 19:03:52 2009
+++ src/gnu/dist/gcc4/libcpp/include/cpplib.h Sat Nov 24 09:07:44 2012
@@ -551,6 +551,7 @@ enum builtin_type
BT_BASE_FILE, /* `__BASE_FILE__' */
BT_INCLUDE_LEVEL, /* `__INCLUDE_LEVEL__' */
BT_TIME, /* `__TIME__' */
+ BT_COUNTER, /* `__COUNTER__' */
BT_STDC, /* `__STDC__' */
BT_PRAGMA /* `_Pragma' operator */
};
