Merge pull request #12 from TheBlueMatt/2021-04-incl-persister

[ldk-c-bindings] / genbindings.sh

diff --git a/genbindings.sh b/genbindings.sh
index 0f74c4b302fe0181d95616e2b3c91b65891f3ee9..a5c6bc18106bd36cd8140cff2f43e62aa6ac5728 100755 (executable)
--- a/genbindings.sh
+++ b/genbindings.sh
@@ -3,14 +3,20 @@
 set -e
 set -x
 
-if [ ! -d "$1/lightning" ]; then
-       echo "USAGE: $0 path-to-rust-lightning"
+if [ ! -d "$1/lightning" -o "$2" != "true" -a "$2" != "false" ]; then
+       echo "USAGE: $0 path-to-rust-lightning allow-std"
+       echo "allow-std must be either 'true' or 'false' to indicate if we should be built relying on time and pthread support"
        exit 1
 fi
 
+if [ "$2" = "true" ]; then
+       FEATURES_ARGS='--features=allow_wallclock_use'
+       FEATURES='"allow_wallclock_use"'
+fi
+
 # On reasonable systems, we can use realpath here, but OSX is a diva with 20-year-old software.
 ORIG_PWD="$(pwd)"
-cd "$1/lightning"
+cd "$1"
 LIGHTNING_PATH="$(pwd)"
 cd "$ORIG_PWD"
 
@@ -26,7 +32,7 @@ mv lightning-c-bindings/src/bitcoin ./
 
 rm -rf lightning-c-bindings/src
 
-mkdir -p lightning-c-bindings/src/c_types/
+mkdir -p lightning-c-bindings/src/{c_types,lightning}
 mv ./mod.rs lightning-c-bindings/src/c_types/
 mv ./bitcoin lightning-c-bindings/src/
 
@@ -37,17 +43,44 @@ OUT_F="$(pwd)/lightning-c-bindings/include/rust_types.h"
 OUT_CPP="$(pwd)/lightning-c-bindings/include/lightningpp.hpp"
 BIN="$(pwd)/c-bindings-gen/target/release/c-bindings-gen"
 
-pushd "$LIGHTNING_PATH"
-RUSTC_BOOTSTRAP=1 cargo rustc --profile=check -- -Zunstable-options --pretty=expanded |
-       RUST_BACKTRACE=1 "$BIN" "$OUT/" lightning "$OUT_TEMPL" "$OUT_F" "$OUT_CPP"
+pushd "$LIGHTNING_PATH/lightning"
+RUSTC_BOOTSTRAP=1 cargo rustc $FEATURES_ARGS --profile=check -- -Zunstable-options --pretty=expanded > /tmp/lightning-crate-source.txt
 popd
 
 HOST_PLATFORM="$(rustc --version --verbose | grep "host:")"
 if [ "$HOST_PLATFORM" = "host: x86_64-apple-darwin" ]; then
        # OSX sed is for some reason not compatible with GNU sed
-       sed -i '' 's|lightning = { .*|lightning = { path = "'"$LIGHTNING_PATH"'" }|' lightning-c-bindings/Cargo.toml
+       sed -E -i '' 's/#!\[crate_name = "(.*)"\]/pub mod \1 {/' /tmp/lightning-crate-source.txt
+else
+       sed -E -i 's/#!\[crate_name = "(.*)"\]/pub mod \1 {/' /tmp/lightning-crate-source.txt
+fi
+echo "}" >> /tmp/lightning-crate-source.txt
+
+if [ "$2" = "true" ]; then
+       pushd "$LIGHTNING_PATH/lightning-persister"
+       RUSTC_BOOTSTRAP=1 cargo rustc --profile=check -- -Zunstable-options --pretty=expanded > /tmp/lightning-persist-crate-source.txt
+       popd
+       if [ "$HOST_PLATFORM" = "host: x86_64-apple-darwin" ]; then
+               sed -i".original" '1i\
+pub mod lightning_persister {
+' /tmp/lightning-persist-crate-source.txt
+       else
+               sed -i '1ipub mod lightning_persister {\n' /tmp/lightning-persist-crate-source.txt
+       fi
+       echo "}" >> /tmp/lightning-persist-crate-source.txt
+       cat /tmp/lightning-persist-crate-source.txt >> /tmp/lightning-crate-source.txt
+       rm /tmp/lightning-persist-crate-source.txt
+fi
+
+cat /tmp/lightning-crate-source.txt | RUST_BACKTRACE=1 "$BIN" "$OUT/" "$OUT_TEMPL" "$OUT_F" "$OUT_CPP"
+
+if [ "$HOST_PLATFORM" = "host: x86_64-apple-darwin" ]; then
+       # OSX sed is for some reason not compatible with GNU sed
+       sed -i '' 's|lightning = { .*|lightning = { path = "'"$LIGHTNING_PATH/lightning"'", features = ['"$FEATURES"'] }|' lightning-c-bindings/Cargo.toml
+       sed -E -i '' 's|lightning-(.*) = \{ .*|lightning-\1 = \{ path = "'"$LIGHTNING_PATH"'/lightning-\1" }|' lightning-c-bindings/Cargo.toml
 else
-       sed -i 's|lightning = { .*|lightning = { path = "'"$LIGHTNING_PATH"'" }|' lightning-c-bindings/Cargo.toml
+       sed -i 's|lightning = { .*|lightning = { path = "'"$LIGHTNING_PATH/lightning"'", features = ['"$FEATURES"'] }|' lightning-c-bindings/Cargo.toml
+       sed -E -i 's|lightning-(.*) = \{ .*|lightning-\1 = \{ path = "'"$LIGHTNING_PATH"'/lightning-\1" }|' lightning-c-bindings/Cargo.toml
 fi
 
 # Set path to include our rustc wrapper as well as cbindgen