magarena/scripts/convert-anon-class-to-closu...

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function leading_space() {
cnt = 0
split($0, chars, "")
for (i = 1; i < length(chars); i++) {
if (chars[i] ~ " ") {
cnt++
} else {
break;
}
}
return cnt
}
/processTarget.*new Magic.*Action()/ {
gsub(",new Magic.*Action\\(\\) {", ", {")
gsub("new Magic.*Action\\(\\) {", "{")
state = 1
}
# remove terminating }
state == 2 && leading_space() == space - 4 {
state = 0
next
}
# remove one level of indentation
state == 2 && leading_space() >= space {
sub(" ", "");
}
# remove doAction with just param
state == 1 && /doAction/ {
gsub("public void doAction\\(", "")
gsub("\\) {", " ->")
space = leading_space() + 4;
state = 2
}
{
print $0
}