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|
# emulate a C preprocessor (well, sort of)
y/ / /
s/ */ /g
/\/\*/{
:COMMENT
y/ / /
s/ */ /g
/\*\//!{
N
bCOMMENT
}
}
s/\/\*.*\*\///
/^ *#ifdef/{
s/^ *#ifdef //
b
}
/^ *#ifndef/{
s/^ *#ifndef //
b
}
/^ *#if.*defined/{
s/^ *#if //
:IF
/^defined/!{
:NUKE
s/^.//
/^defined/!bNUKE
}
h
/^defined/s/^defined *( *\([A-Za-z0-9_]*\) *).*/\1/p
g
/^defined/s/^defined *( *\([[A-Za-z0-9_]*\) *)//
/defined/!{
d
b
}
bIF
}
d
|
