Fix parsing bugs and add better indentation support

samples/bash.sh

@@ -22,15 +22,12 @@ colorize() {
 }
 
 # Example of error handling
-
 handle_error() {
   log ERROR "An error occurred on line $1"
 }
 trap 'handle_error $LINENO' ERR
-
 # Multiline string test
 read -r -d '' MULTI <<'CPP'
-
 int main() {
   
 }