#!/bin/bash

set -ex

ignore_warning() {
  # Invert match to filter out $1.
  grep -v "$1" doxygen-log.txt > temp.txt
  mv temp.txt doxygen-log.txt
}

# Run doxygen and log all output.
doxygen 2> original-doxygen-log.txt
cp original-doxygen-log.txt doxygen-log.txt

echo "Original output"
cat original-doxygen-log.txt

# Filter out some warnings.
ignore_warning "warning: no uniquely matching class member found for"
ignore_warning "warning: source ../../build/aten/src/ is not a readable file"
ignore_warning "warning: source ../../build/aten/src/ATen/Tensor.h is not a readable file"
ignore_warning "warning: source ../../build/aten/src/ATen/Functions.h is not a readable file"
ignore_warning "warning: documented symbol \`torch::nn::FunctionalImpl::FunctionalImpl' was not declared or defined"

# Count the number of remaining warnings.
warnings=$(grep 'warning:' doxygen-log.txt | wc -l)

if [[ $warnings != 0 ]]; then
  echo "Filtered output"
  cat doxygen-log.txt
  rm -f doxygen-log.txt original-doxygen-log.txt
  exit 1
fi

rm -f doxygen-log.txt original-doxygen-log.txt