# filename: strip_c_comment.awk
# issue: awk -f scrip_c_comment.awk test.c
BEGIN { FS="" }
!(ignore_line && $NF == "\\") && !ignore_line-- {
ignore_line = 0;
for(i = 1; i <= NF; i++) {
if (ignore_block) {
if ($i $(i+1) == "*/") {
ignore_block = 0
i++ # remove '*'
}
continue
}
if (!instr && $i $(i+1) == "/*") {
ignore_block = 1
i++ # remove '/'
continue
}
if (!instr && $i $(i+1) == "//") {
ignore_line = ($NF == "\\")? 1: 0
break
}
if ($i == "\"") {
instr = 1 - instr
}
printf($i)
}
printf("\n")
}
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