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#!/usr/bin/awk
BEGIN { ORS = "" ; C99=1 }
{ code = code $0 "\n" }
END {
while ( length(code) )
code = process( code )
}
function process( text )
{
if ( C99 ) {
if ( match( text, /"|'|\/\*|\/\// ) ) {
return span( text )
}
} else if ( match( text, /"|'|\/\*/ ) ) {
return span( text )
}
print text
return ""
}
function span( text , starter )
{
print substr( text, 1, RSTART - 1 )
starter = substr( text, RSTART, RLENGTH )
text = substr( text, RSTART + RLENGTH )
if ( "\"" == starter || "'" == starter ) {
return quoted( text, starter )
}
if ( "//" == starter ) {
return remove( text, "\n", "\n" )
}
## Allow for
## /* foo *\
## /
return remove( text, "\\*(\\\\\n)?/", " " )
}
function remove( text, ender, replacement )
{
print replacement
return substr( text, match(text, ender) + RLENGTH )
}
function quoted( text, starter )
{
if ( "'" == starter ) {
match( text, /^(\\.|[^'])*'/ )
} else {
match( text, /^(\\.|\?\?\/.|[^"])*"/ )
}
print starter substr( text, 1, RLENGTH )
return substr( text, RSTART + RLENGTH )
}
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