Examples with Specialization com.oracle.truffle.api.dsl.Specialization used on opensource projects

Example 21 with Specialization

use of com.oracle.truffle.api.dsl.Specialization in project sulong by graalvm.

the class LLVMTruffleReadNString method interop.

@Specialization
protected Object interop(LLVMTruffleObject objectWithOffset, int n, @Cached("createForeignReadNode()") Node foreignRead, @Cached("createToByteNode()") ForeignToLLVM toLLVM) {
    long offset = objectWithOffset.getOffset();
    TruffleObject object = objectWithOffset.getObject();
    char[] chars = new char[n];
    for (int i = 0; i < n; i++) {
        Object rawValue;
        try {
            rawValue = ForeignAccess.sendRead(foreignRead, object, offset + i);
        } catch (UnknownIdentifierException | UnsupportedMessageException e) {
            CompilerDirectives.transferToInterpreter();
            throw new IllegalStateException(e);
        }
        byte byteValue = (byte) toLLVM.executeWithTarget(rawValue);
        chars[i] = (char) Byte.toUnsignedInt(byteValue);
    }
    return new String(chars);
}

Example 22 with Specialization

use of com.oracle.truffle.api.dsl.Specialization in project sulong by graalvm.

the class LLVMPolyglotExport method doExport.

@Specialization
protected Object doExport(Object name, Object value, @Cached("getContextReference()") ContextReference<LLVMContext> ctxRef) {
    String symbolName = readString.executeWithTarget(name);
    LLVMContext ctx = ctxRef.get();
    Object escaped = escape.executeWithTarget(value);
    try {
        ForeignAccess.sendWrite(write, (TruffleObject) ctx.getEnv().getPolyglotBindings(), symbolName, escaped);
    } catch (InteropException ex) {
        throw ex.raise();
    }
    return null;
}

Example 23 with Specialization

use of com.oracle.truffle.api.dsl.Specialization in project sulong by graalvm.

the class LLVMPrintStackTrace method doOp.

@TruffleBoundary
@Specialization
protected Object doOp() {
    SulongStackTrace trace = getStackTrace("__sulong_print_stacktrace");
    printCStackTrace(trace);
    return null;
}

Example 24 with Specialization

use of com.oracle.truffle.api.dsl.Specialization in project sulong by graalvm.

the class LLVMStackRestore method doVoid.

@Specialization
protected Object doVoid(VirtualFrame frame, LLVMAddress addr) {
    StackPointer pointer = (StackPointer) FrameUtil.getObjectSafe(frame, getStackPointerSlot());
    pointer.set(addr.getVal());
    return null;
}

Example 25 with Specialization

use of com.oracle.truffle.api.dsl.Specialization in project sulong by graalvm.

the class LLVMForeignCallNode method callIndirect.

@Specialization(replaces = "callDirectCached")
protected Object callIndirect(LLVMFunctionDescriptor function, Object[] arguments, @Cached("create()") IndirectCallNode callNode, @Cached("createSlowPackArguments()") SlowPackForeignArgumentsNode slowPack, @Cached("create()") LLVMGetStackNode getStack, @Cached("getLLVMMemory()") LLVMMemory memory) {
    assert !(function.getType().getReturnType() instanceof StructureType);
    LLVMStack stack = getStack.executeWithTarget(function.getContext().getThreadingStack(), Thread.currentThread());
    Object result;
    try (StackPointer stackPointer = stack.newFrame()) {
        result = callNode.call(getCallTarget(function), slowPack.pack(function, memory, arguments, stackPointer));
    }
    return prepareValueForEscape.executeWithTarget(result);
}