FileDocCategorySizeDatePackage
Form21c.javaAPI DocAndroid 5.1 API3786Thu Mar 12 22:18:30 GMT 2015com.android.dexgen.dex.code.form

Form21c

public final class Form21c extends com.android.dexgen.dex.code.InsnFormat
Instruction format {@code 21c}. See the instruction format spec for details.

Fields Summary
public static final com.android.dexgen.dex.code.InsnFormat
THE_ONE
{@code non-null;} unique instance of this class
Constructors Summary
private Form21c()
Constructs an instance. This class is not publicly instantiable. Use {@link #THE_ONE}.


                     
      
        // This space intentionally left blank.
Methods Summary
public intcodeSize()
{@inheritDoc}

        return 2;
public java.lang.StringinsnArgString(com.android.dexgen.dex.code.DalvInsn insn)
{@inheritDoc}

        RegisterSpecList regs = insn.getRegisters();
        return regs.get(0).regString() + ", " + cstString(insn);
public java.lang.StringinsnCommentString(com.android.dexgen.dex.code.DalvInsn insn, boolean noteIndices)
{@inheritDoc}

        if (noteIndices) {
            return cstComment(insn);
        } else {
            return "";
        }
public booleanisCompatible(com.android.dexgen.dex.code.DalvInsn insn)
{@inheritDoc}

        if (!(insn instanceof CstInsn)) {
            return false;
        }

        RegisterSpecList regs = insn.getRegisters();
        RegisterSpec reg;

        switch (regs.size()) {
            case 1: {
                reg = regs.get(0);
                break;
            }
            case 2: {
                /*
                 * This format is allowed for ops that are effectively
                 * 2-arg but where the two args are identical.
                 */
                reg = regs.get(0);
                if (reg.getReg() != regs.get(1).getReg()) {
                    return false;
                }
                break;
            }
            default: {
                return false;
            }
        }

        if (!unsignedFitsInByte(reg.getReg())) {
            return false;
        }

        CstInsn ci = (CstInsn) insn;
        int cpi = ci.getIndex();

        if (! unsignedFitsInShort(cpi)) {
            return false;
        }

        Constant cst = ci.getConstant();
        return (cst instanceof CstType) ||
            (cst instanceof CstFieldRef) ||
            (cst instanceof CstString);
public com.android.dexgen.dex.code.InsnFormatnextUp()
{@inheritDoc}

        return Form31c.THE_ONE;
public voidwriteTo(com.android.dexgen.util.AnnotatedOutput out, com.android.dexgen.dex.code.DalvInsn insn)
{@inheritDoc}

        RegisterSpecList regs = insn.getRegisters();
        int cpi = ((CstInsn) insn).getIndex();

        write(out,
              opcodeUnit(insn, regs.get(0).getReg()),
              (short) cpi);