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#!/bin/bash
macros=($(grep -P '(?<=^#define )[A-Z0-9_]+' -ohr include --exclude-dir=lib/ | sort | uniq))
echo "Collected ${#macros[@]} macros from include"
not_found=()
for macro in "${macros[@]}"; do
grep -E "\b$macro\b" -r src &>/dev/null
if [ $? -ne 0 ]; then
not_found+=("$macro")
fi
done
echo "Found $((${#macros[@]} - ${#not_found[@]})) macro reference in src"
if [ ${#not_found[@]} -eq 0 ]; then
echo "All macros found"
exit 0
fi
unused=()
for macro in "${not_found[@]}"; do
cnt=$(grep -E "\b$macro\b" -ohr include --exclude-dir=lib/ 2>/dev/null | wc -l)
if [ $cnt -eq 1 ]; then
unused+=("$macro")
fi
done
echo "Found $((${#not_found[@]} - ${#unused[@]})) macro reference in include"
if [ ${#unused[@]} -eq 0 ]; then
echo "All macros found"
exit 0
fi
echo "Found ${#unused[@]} macros unused!"
for macro in "${unused[@]}"; do
grep -E "\b$macro\b" -nr include --exclude-dir=lib/ --color=auto
done
exit 1
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