LLVMReadNode.java

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package com.oracle.truffle.llvm.nodes.vars;

import com.oracle.truffle.api.dsl.NodeField;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.frame.FrameSlot;
import com.oracle.truffle.api.frame.FrameUtil;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.llvm.runtime.LLVMIVarBit;
import com.oracle.truffle.llvm.runtime.floating.LLVM80BitFloat;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode;

public abstract class LLVMReadNode extends LLVMExpressionNode {

    @NodeField(name = "slot", type = FrameSlot.class)
    public abstract static class LLVMI1ReadNode extends LLVMExpressionNode {

        protected abstract FrameSlot getSlot();

        @Specialization
        protected boolean readI1(VirtualFrame frame) {
            return FrameUtil.getBooleanSafe(frame, getSlot());
        }
    }

    @NodeField(name = "slot", type = FrameSlot.class)
    public abstract static class LLVMI8ReadNode extends LLVMExpressionNode {

        protected abstract FrameSlot getSlot();

        @Specialization
        protected byte readI8(VirtualFrame frame) {
            return FrameUtil.getByteSafe(frame, getSlot());
        }
    }

    @NodeField(name = "slot", type = FrameSlot.class)
    public abstract static class LLVMI16ReadNode extends LLVMExpressionNode {

        protected abstract FrameSlot getSlot();

        @Specialization
        protected short readI16(VirtualFrame frame) {
            return (short) FrameUtil.getIntSafe(frame, getSlot());
        }
    }

    @NodeField(name = "slot", type = FrameSlot.class)
    public abstract static class LLVMI32ReadNode extends LLVMExpressionNode {

        protected abstract FrameSlot getSlot();

        @Specialization
        protected int readI32(VirtualFrame frame) {
            return FrameUtil.getIntSafe(frame, getSlot());
        }
    }

    @NodeField(name = "slot", type = FrameSlot.class)
    public abstract static class LLVMI64ReadNode extends LLVMExpressionNode {

        protected abstract FrameSlot getSlot();

        @Specialization
        protected long readI64(VirtualFrame frame) {
            return FrameUtil.getLongSafe(frame, getSlot());
        }
    }

    @NodeField(name = "slot", type = FrameSlot.class)
    public abstract static class LLVMIReadVarBitNode extends LLVMExpressionNode {

        protected abstract FrameSlot getSlot();

        @Specialization
        protected LLVMIVarBit readVarBit(VirtualFrame frame) {
            return (LLVMIVarBit) FrameUtil.getObjectSafe(frame, getSlot());
        }
    }

    @NodeField(name = "slot", type = FrameSlot.class)
    public abstract static class LLVMFloatReadNode extends LLVMExpressionNode {

        protected abstract FrameSlot getSlot();

        @Specialization
        protected float readDouble(VirtualFrame frame) {
            return FrameUtil.getFloatSafe(frame, getSlot());
        }
    }

    @NodeField(name = "slot", type = FrameSlot.class)
    public abstract static class LLVMDoubleReadNode extends LLVMExpressionNode {

        protected abstract FrameSlot getSlot();

        @Specialization
        protected double readDouble(VirtualFrame frame) {
            return FrameUtil.getDoubleSafe(frame, getSlot());
        }
    }

    @NodeField(name = "slot", type = FrameSlot.class)
    public abstract static class LLVM80BitFloatReadNode extends LLVMExpressionNode {

        protected abstract FrameSlot getSlot();

        @Specialization
        protected LLVM80BitFloat read80BitFloat(VirtualFrame frame) {
            return (LLVM80BitFloat) FrameUtil.getObjectSafe(frame, getSlot());
        }
    }

    @NodeField(name = "slot", type = FrameSlot.class)
    public abstract static class LLVMAddressReadNode extends LLVMExpressionNode {

        protected abstract FrameSlot getSlot();

        @Specialization
        protected Object readObject(VirtualFrame frame) {
            return FrameUtil.getObjectSafe(frame, getSlot());
        }
    }

    @NodeField(name = "slot", type = FrameSlot.class)
    public abstract static class LLVMFunctionReadNode extends LLVMExpressionNode {

        protected abstract FrameSlot getSlot();

        @Specialization
        protected Object readI32(VirtualFrame frame) {
            return FrameUtil.getObjectSafe(frame, getSlot());
        }
    }

}