+++ /dev/null
-package net.mograsim.machine.mi.parameters;
-
-import java.util.Arrays;
-import java.util.Map;
-import java.util.stream.Collectors;
-
-import net.mograsim.logic.core.types.BitVector;
-import net.mograsim.machine.mi.parameters.MicroInstructionParameter.ParameterType;
-
-public class MnemonicFamily implements ParameterClassification
-{
- private final Mnemonic[] values;
- private final Mnemonic defaultValue;
- private final String[] stringValues;
- private Map<String, Mnemonic> byText;
- private int vectorLength;
-
- public MnemonicFamily(String defaultValueName, String... names)
- {
- this(false, defaultValueName, (int) Math.round(Math.ceil(Math.log(names.length) / Math.log(2))), names);
- }
-
- public MnemonicFamily(boolean reverse, String defaultValueName, String... names)
- {
- this(reverse, defaultValueName, (int) Math.round(Math.ceil(Math.log(names.length) / Math.log(2))), names);
- }
-
- public MnemonicFamily(String defaultValueName, int bits, String... names)
- {
- this(false, defaultValueName, bits, names);
- }
-
- public MnemonicFamily(boolean reverse, String defaultValueName, int bits, String... names)
- {
- this.values = new Mnemonic[names.length];
- this.stringValues = new String[names.length];
- BitVector[] values = new BitVector[names.length];
- for (int i = 0; i < names.length; i++)
- {
- values[i] = BitVector.from(i, bits);
- }
-
- setup(names, values, reverse);
-
- int defaultValueIndex = -1;
- for (int i = 0; i < names.length; i++)
- if (names[i].equals(defaultValueName))
- {
- defaultValueIndex = i;
- break;
- }
- this.defaultValue = this.values[defaultValueIndex];
- }
-
- public MnemonicFamily(String defaultValueName, String[] names, long[] values, int bits)
- {
- this(false, defaultValueName, names, values, bits);
- }
-
- public MnemonicFamily(boolean reverse, String defaultValueName, String[] names, long[] values, int bits)
- {
- if (names.length != values.length)
- throw new IllegalArgumentException();
- this.values = new Mnemonic[values.length];
- this.stringValues = new String[values.length];
- BitVector[] vectors = new BitVector[values.length];
-
- for (int i = 0; i < vectors.length; i++)
- {
- vectors[i] = BitVector.from(values[i], bits);
- }
-
- setup(names, vectors, reverse);
-
- int defaultValueIndex = -1;
- for (int i = 0; i < names.length; i++)
- if (names[i].equals(defaultValueName))
- {
- defaultValueIndex = i;
- break;
- }
- this.defaultValue = this.values[defaultValueIndex];
- }
-
- public MnemonicFamily(String defaultValueName, String[] names, BitVector[] values)
- {
- this(false, defaultValueName, names, values);
- }
-
- public MnemonicFamily(boolean reverse, String defaultValueName, String[] names, BitVector[] values)
- {
- if (names.length != values.length)
- throw new IllegalArgumentException();
- this.values = new Mnemonic[values.length];
- this.stringValues = new String[values.length];
-
- setup(names, values, reverse);
-
- int defaultValueIndex = -1;
- for (int i = 0; i < names.length; i++)
- if (names[i].equals(defaultValueName))
- {
- defaultValueIndex = i;
- break;
- }
- this.defaultValue = this.values[defaultValueIndex];
- }
-
- public MnemonicFamily(String defaultValueName, MnemonicPair... values)
- {
- this.values = new Mnemonic[values.length];
- this.stringValues = new String[values.length];
-
- setup(values);
-
- int defaultValueIndex = -1;
- for (int i = 0; i < values.length; i++)
- if (stringValues[i].equals(defaultValueName))
- {
- defaultValueIndex = i;
- break;
- }
- this.defaultValue = this.values[defaultValueIndex];
- }
-
- private void setup(String[] names, BitVector[] values, boolean reverse)
- {
- MnemonicPair[] mnemonics = new MnemonicPair[values.length];
- for (int i = 0; i < values.length; i++)
- mnemonics[i] = new MnemonicPair(names[i], reverse ? values[i].reverse() : values[i]);
- setup(mnemonics);
- }
-
- private void setup(MnemonicPair[] values)
- {
- for (int i = 0; i < values.length; i++)
- {
- this.values[i] = createMnemonic(values[i], i);
- this.stringValues[i] = values[i].name;
- }
- if (values.length == 0)
- vectorLength = 0;
- else
- {
- vectorLength = values[0].value.length();
- for (int i = 1; i < values.length; i++)
- if (values[i].value.length() != vectorLength)
- throw new IllegalArgumentException("MnemonicFamily is not of uniform vector length!");
- }
- byText = Arrays.stream(this.values).collect(Collectors.toMap(m -> m.getText(), m -> m));
- if (values.length != byText.keySet().size())
- throw new IllegalArgumentException("MnemonicFamily contains multiple Mnemonics with the same name!");
- }
-
- private Mnemonic createMnemonic(MnemonicPair mnemonicPair, int ordinal)
- {
- return new Mnemonic(mnemonicPair.name, mnemonicPair.value, this, ordinal);
- }
-
- public Mnemonic[] values()
- {
- return values.clone();
- }
-
- public Mnemonic get(int ordinal)
- {
- return values[ordinal];
- }
-
- public Mnemonic get(String text)
- {
- return byText.get(text);
- }
-
- @Override
- public MicroInstructionParameter getDefault()
- {
- return defaultValue;
- }
-
- public boolean contains(Mnemonic m)
- {
- if (m != null)
- return m.owner == this;
- else
- return false;
- }
-
- public boolean contains(String value)
- {
- return byText.keySet().contains(value);
- }
-
- public int size()
- {
- return values.length;
- }
-
- public int getVectorLength()
- {
- return vectorLength;
- }
-
- @Override
- public boolean conforms(MicroInstructionParameter param)
- {
- return ParameterClassification.super.conforms(param) && (param instanceof Mnemonic ? contains((Mnemonic) param) : false);
- }
-
- @Override
- public ParameterType getExpectedType()
- {
- return ParameterType.MNEMONIC;
- }
-
- @Override
- public int getExpectedBits()
- {
- return vectorLength;
- }
-
- public String[] getStringValues()
- {
- return stringValues.clone();
- }
-
- @Override
- public int hashCode()
- {
- final int prime = 31;
- int result = 1;
- result = prime * result + Arrays.hashCode(values);
- return result;
- }
-
- @Override
- public boolean equals(Object obj)
- {
- return this == obj;
- }
-
- @Override
- public Mnemonic parse(String toParse)
- {
- Mnemonic parsed = get(toParse);
- if (parsed == null)
- throw new UnknownMnemonicException(toParse);
- return parsed;
- }
-
- public static class MnemonicPair
- {
- public final String name;
- public final BitVector value;
-
- public MnemonicPair(String name, BitVector value)
- {
- this.name = name;
- this.value = value;
- }
- }
-}
projects / Mograsim.git / blobdiff