73 lines
1.4 KiB
Bash
Executable File
73 lines
1.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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CAPI_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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WORK_DIR=`mktemp -d`
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# check if tmp dir was created
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if [[ ! "$WORK_DIR" || ! -d "$WORK_DIR" ]]; then
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echo "Could not create temp dir"
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exit 1
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fi
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header_file_backup="$CAPI_DIR/include/hyper.h.backup"
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function cleanup {
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#echo "$WORK_DIR"
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rm -rf "$WORK_DIR"
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rm "$header_file_backup"
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}
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trap cleanup EXIT
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mkdir "$WORK_DIR/src"
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# Fake a library
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cat > "$WORK_DIR/src/lib.rs" << EOF
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#[path = "$CAPI_DIR/../src/ffi/mod.rs"]
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pub mod ffi;
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EOF
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# And its Cargo.toml
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cat > "$WORK_DIR/Cargo.toml" << EOF
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[package]
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name = "hyper"
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version = "0.0.0"
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edition = "2018"
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publish = false
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[dependencies]
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EOF
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cp "$CAPI_DIR/include/hyper.h" "$header_file_backup"
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#cargo metadata --no-default-features --features ffi --format-version 1 > "$WORK_DIR/metadata.json"
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cd $WORK_DIR
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# Expand just the ffi module
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cargo rustc -- -Z unstable-options --pretty=expanded > expanded.rs 2>/dev/null
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# Replace the previous copy with the single expanded file
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rm -rf ./src
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mkdir src
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mv expanded.rs src/lib.rs
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# Bindgen!
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cbindgen\
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-c "$CAPI_DIR/cbindgen.toml"\
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--lockfile "$CAPI_DIR/../Cargo.lock"\
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-o "$CAPI_DIR/include/hyper.h"\
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$1
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bindgen_exit_code=$?
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if [[ "--verify" == "$1" && "$bindgen_exit_code" != 0 ]]; then
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echo "diff generated (<) vs backup (>)"
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diff "$CAPI_DIR/include/hyper.h" "$header_file_backup"
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fi
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exit $bindgen_exit_code
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