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* Move to itsallcode org * Fix sonar warnings * Add dependency submission workflow --------- Co-authored-by: kaklakariada <[email protected]> Co-authored-by: kaklakariada <[email protected]>
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Sep 29, 2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| name: Dependency Submission | ||
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| on: | ||
| # Only runs on main branch | ||
| push: | ||
| branches: [ main ] | ||
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| permissions: | ||
| contents: write # Required for dependency submission | ||
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| jobs: | ||
| dependency-submission: | ||
| runs-on: ubuntu-latest | ||
| steps: | ||
| - name: Checkout sources | ||
| uses: actions/checkout@v4 | ||
| - name: Setup Java | ||
| uses: actions/setup-java@v4 | ||
| with: | ||
| distribution: 'temurin' | ||
| java-version: 23 | ||
| - name: Generate and submit dependency graph | ||
| uses: gradle/actions/dependency-submission@v4 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,44 +1,85 @@ | ||
| package org.itsallcode.luava; | ||
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| import java.lang.foreign.Arena; | ||
| import static java.util.Collections.emptyList; | ||
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| import java.lang.foreign.MemorySegment; | ||
| import java.util.Arrays; | ||
| import java.util.List; | ||
| import java.util.function.UnaryOperator; | ||
| import java.util.logging.Logger; | ||
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| import org.itsallcode.luava.ffi.Lua; | ||
| import org.itsallcode.luava.ffi.lua_CFunction; | ||
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| public class LuaFunction { | ||
| private static final Logger LOG = Logger.getLogger(LuaFunction.class.getName()); | ||
| private final LowLevelLua lua; | ||
| private final String name; | ||
| private lua_CFunction.Function messageHandler; | ||
| private List<Object> argumentValues = emptyList(); | ||
| private List<Class<?>> resultTypes = emptyList(); | ||
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| private final MemorySegment state; | ||
| private final LuaStack stack; | ||
| private final Arena arena; | ||
| private final int idx; | ||
| LuaFunction(final LowLevelLua lowLevelLua, final String name) { | ||
| this.lua = lowLevelLua; | ||
| this.name = name; | ||
| } | ||
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| LuaFunction(final MemorySegment state, final LuaStack stack, final Arena arena, final int idx) { | ||
| this.state = state; | ||
| this.stack = stack; | ||
| this.arena = arena; | ||
| this.idx = idx; | ||
| @SuppressWarnings("java:S923") // Using varargs by intention | ||
| public LuaFunction argumentValues(final Object... argumentValues) { | ||
| this.argumentValues = Arrays.asList(argumentValues); | ||
| return this; | ||
| } | ||
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| public void addArgInteger(final int value) { | ||
| stack.pushInteger(value); | ||
| @SuppressWarnings("java:S923") // Using varargs by intention | ||
| public LuaFunction resultTypes(final Class<?>... resultTypes) { | ||
| this.resultTypes = Arrays.asList(resultTypes); | ||
| return this; | ||
| } | ||
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| public void call(final int nargs, final int nresults) { | ||
| call(nargs, nresults, 0, 0, Lua.NULL()); | ||
| public LuaFunction messageUpdateHandler(final UnaryOperator<String> messageHandler) { | ||
| return messageHandler((final MemorySegment l) -> { | ||
| LOG.fine("Message handler: popping error message..."); | ||
| final String msg = lua.stack().popString(); | ||
| final String updatedMsg = messageHandler.apply(msg); | ||
| LOG.fine(() -> "Pushing updated error message '" + updatedMsg + "'"); | ||
| lua.stack().pushString(updatedMsg); | ||
| return Lua.LUA_OK(); | ||
| }); | ||
| } | ||
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| private void call(final int nargs, final int nresults, final int errfunc, final long ctx, final MemorySegment k) { | ||
| final int status = Lua.lua_pcallk(state, nargs, nresults, errfunc, ctx, k); | ||
| if (status != Lua.LUA_OK()) { | ||
| final String errorMessage = stack.toString(-1); | ||
| stack.pop(1); | ||
| throw new FunctionCallException("lua_pcallk", status, errorMessage); | ||
| public LuaFunction messageHandler(final lua_CFunction.Function messageHandler) { | ||
| this.messageHandler = messageHandler; | ||
| return this; | ||
| } | ||
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| public List<Object> call() { | ||
| final int messageHandlerIdx = getMessageHandlerIdx(); | ||
| lua.getGlobal(name); | ||
| pushArguments(); | ||
| try { | ||
| lua.pcall(this.argumentValues.size(), this.resultTypes.size(), messageHandlerIdx); | ||
| return getResultValues(); | ||
| } finally { | ||
| if (this.messageHandler != null) { | ||
| LOG.fine("Popping message handler"); | ||
| lua.stack().pop(); | ||
| } | ||
| } | ||
| } | ||
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| public long getIntegerResult() { | ||
| final long value = stack.toInteger(-1); | ||
| stack.pop(1); | ||
| return value; | ||
| private void pushArguments() { | ||
| this.argumentValues.forEach(v -> lua.stack().pushObject(v)); | ||
| } | ||
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| private List<Object> getResultValues() { | ||
| return this.resultTypes.stream().map(t -> lua.stack().popObject(t)).toList(); | ||
| } | ||
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| private int getMessageHandlerIdx() { | ||
| if (messageHandler == null) { | ||
| return 0; | ||
| } | ||
| lua.stack().pushCFunction(messageHandler); | ||
| return lua.stack().getTop(); | ||
| } | ||
| } |
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