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package com.oracle.truffle.llvm.nodes.intrinsics.interop;
import com.oracle.truffle.api.CompilerDirectives;
import com.oracle.truffle.api.dsl.Cached;
import com.oracle.truffle.api.dsl.NodeChild;
import com.oracle.truffle.api.dsl.NodeChildren;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.interop.ForeignAccess;
import com.oracle.truffle.api.interop.Message;
import com.oracle.truffle.api.interop.TruffleObject;
import com.oracle.truffle.api.interop.UnknownIdentifierException;
import com.oracle.truffle.api.interop.UnsupportedMessageException;
import com.oracle.truffle.api.interop.UnsupportedTypeException;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.llvm.nodes.intrinsics.llvm.LLVMIntrinsic;
import com.oracle.truffle.llvm.runtime.LLVMAddress;
import com.oracle.truffle.llvm.runtime.LLVMContext;
import com.oracle.truffle.llvm.runtime.LLVMPerformance;
import com.oracle.truffle.llvm.runtime.LLVMTruffleObject;
import com.oracle.truffle.llvm.runtime.interop.LLVMDataEscapeNode;
import com.oracle.truffle.llvm.runtime.interop.LLVMDataEscapeNodeGen;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode;
import com.oracle.truffle.llvm.runtime.types.Type;
public final class LLVMTruffleWrite {
private static void checkLLVMTruffleObject(LLVMTruffleObject value) {
if (value.getOffset() != 0 || value.getName() != null) {
CompilerDirectives.transferToInterpreterAndInvalidate();
throw new IllegalAccessError("Pointee must be unmodified");
}
}
private static void doWrite(Node foreignWrite, TruffleObject value, LLVMAddress id, Object v) {
String name = LLVMTruffleIntrinsicUtil.readString(id);
doWrite(foreignWrite, value, name, v);
}
private static void doWrite(Node foreignWrite, TruffleObject value, String name, Object v) throws IllegalAccessError {
try {
ForeignAccess.sendWrite(foreignWrite, value, name, v);
} catch (UnknownIdentifierException | UnsupportedMessageException | UnsupportedTypeException e) {
throw new IllegalStateException(e);
}
}
private static void doWriteIdx(Node foreignWrite, TruffleObject value, int id, Object v) {
try {
ForeignAccess.sendWrite(foreignWrite, value, id, v);
} catch (UnknownIdentifierException | UnsupportedMessageException | UnsupportedTypeException e) {
throw new IllegalStateException(e);
}
}
@NodeChildren({@NodeChild(type = LLVMExpressionNode.class), @NodeChild(type = LLVMExpressionNode.class), @NodeChild(type = LLVMExpressionNode.class)})
public abstract static class LLVMTruffleWriteToName extends LLVMIntrinsic {
@Child private Node foreignWrite = Message.WRITE.createNode();
@Child protected LLVMDataEscapeNode prepareValueForEscape;
public LLVMTruffleWriteToName(Type typeOfValue) {
this.prepareValueForEscape = LLVMDataEscapeNodeGen.create(typeOfValue);
}
@SuppressWarnings("unused")
@Specialization(limit = "2", guards = "constantPointer(id, cachedPtr)")
public Object executeIntrinsicCached(LLVMTruffleObject value, LLVMAddress id, Object v, @Cached("pointerOf(id)") long cachedPtr,
@Cached("readString(id)") String cachedId, @Cached("getContext()") LLVMContext context) {
checkLLVMTruffleObject(value);
doWrite(foreignWrite, value.getObject(), cachedId, prepareValueForEscape.executeWithTarget(v, context));
return null;
}
@Specialization
public Object executeIntrinsic(LLVMTruffleObject value, LLVMAddress id, Object v, @Cached("getContext()") LLVMContext context) {
LLVMPerformance.warn(this);
checkLLVMTruffleObject(value);
doWrite(foreignWrite, value.getObject(), id, prepareValueForEscape.executeWithTarget(v, context));
return null;
}
@SuppressWarnings("unused")
@Specialization(limit = "2", guards = "constantPointer(id, cachedPtr)")
public Object executeIntrinsicTruffleObjectCached(TruffleObject value, LLVMAddress id, Object v, @Cached("pointerOf(id)") long cachedPtr,
@Cached("readString(id)") String cachedId, @Cached("getContext()") LLVMContext context) {
doWrite(foreignWrite, value, cachedId, prepareValueForEscape.executeWithTarget(v, context));
return null;
}
@Specialization
public Object executeIntrinsicTruffleObject(TruffleObject value, LLVMAddress id, Object v, @Cached("getContext()") LLVMContext context) {
LLVMPerformance.warn(this);
doWrite(foreignWrite, value, id, prepareValueForEscape.executeWithTarget(v, context));
return null;
}
}
@NodeChildren({@NodeChild(type = LLVMExpressionNode.class), @NodeChild(type = LLVMExpressionNode.class), @NodeChild(type = LLVMExpressionNode.class)})
public abstract static class LLVMTruffleWriteToIndex extends LLVMIntrinsic {
@Child private Node foreignWrite = Message.WRITE.createNode();
@Child protected LLVMDataEscapeNode prepareValueForEscape;
public LLVMTruffleWriteToIndex(Type typeOfValue) {
this.prepareValueForEscape = LLVMDataEscapeNodeGen.create(typeOfValue);
}
@Specialization
public Object executeIntrinsic(LLVMTruffleObject value, int id, Object v, @Cached("getContext()") LLVMContext context) {
checkLLVMTruffleObject(value);
doWriteIdx(foreignWrite, value.getObject(), id, prepareValueForEscape.executeWithTarget(v, context));
return null;
}
@Specialization
public Object executeIntrinsic(TruffleObject value, int id, Object v, @Cached("getContext()") LLVMContext context) {
doWriteIdx(foreignWrite, value, id, prepareValueForEscape.executeWithTarget(v, context));
return null;
}
}
}