tccpp : "tcc -E -P" : suppress empty lines

Also:
- regenerate all tests/pp/*.expect with gcc
- test "insert one space" feature
- test "0x1E-1" in asm mode case
- PARSE_FLAG_SPACES: ignore \f\v\r better
- tcc.h: move some things

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/pp/15.c b/tests/pp/15.c
new file mode 100644
index 0000000..d989bee
--- /dev/null
+++ b/tests/pp/15.c
@@ -0,0 +1,18 @@
+// insert a space between two tokens if otherwise they
+// would form a single token when read back
+
+#define n(x) x
+
+return (n(long)n(double))d;
+return n(A)n(++)n(+)n(B);
+return n(A)n(+)n(++)n(B);
+return n(A)n(++)n(+)n(+)n(B);
+
+// not a hex float
+return n(0x1E)n(-1);
+
+// unlike gcc but correct
+XXX: return n(x)+n(x)-n(1)+n(1)-2;
+
+// unlile gcc, but cannot appear in valid C
+XXX: return n(x)n(x)n(1)n(2)n(x);