Examples with Constant com.android.dx.rop.cst.Constant used on opensource projects

Example 31 with Constant

use of com.android.dx.rop.cst.Constant in project J2ME-Loader by nikita36078.

the class OutputFinisher method assignIndices.

/**
 * Helper for {@link #assignIndices} which does assignment for one
 * instruction.
 *
 * @param insn {@code non-null;} the instruction
 * @param callback {@code non-null;} the callback
 */
private static void assignIndices(CstInsn insn, DalvCode.AssignIndicesCallback callback) {
    Constant cst = insn.getConstant();
    int index = callback.getIndex(cst);
    if (index >= 0) {
        insn.setIndex(index);
    }
    if (cst instanceof CstMemberRef) {
        CstMemberRef member = (CstMemberRef) cst;
        CstType definer = member.getDefiningClass();
        index = callback.getIndex(definer);
        // TODO(oth): what scenarios is this guard valid under? Is it not just an error?
        if (index >= 0) {
            insn.setClassIndex(index);
        }
    }
}

Example 32 with Constant

use of com.android.dx.rop.cst.Constant in project J2ME-Loader by nikita36078.

the class Form21s method isCompatible.

/**
 * {@inheritDoc}
 */
@Override
public boolean isCompatible(DalvInsn insn) {
    RegisterSpecList regs = insn.getRegisters();
    if (!((insn instanceof CstInsn) && (regs.size() == 1) && unsignedFitsInByte(regs.get(0).getReg()))) {
        return false;
    }
    CstInsn ci = (CstInsn) insn;
    Constant cst = ci.getConstant();
    if (!(cst instanceof CstLiteralBits)) {
        return false;
    }
    CstLiteralBits cb = (CstLiteralBits) cst;
    return cb.fitsInInt() && signedFitsInShort(cb.getIntBits());
}

Example 33 with Constant

use of com.android.dx.rop.cst.Constant in project J2ME-Loader by nikita36078.

the class Form22c method isCompatible.

/**
 * {@inheritDoc}
 */
@Override
public boolean isCompatible(DalvInsn insn) {
    RegisterSpecList regs = insn.getRegisters();
    if (!((insn instanceof CstInsn) && (regs.size() == 2) && unsignedFitsInNibble(regs.get(0).getReg()) && unsignedFitsInNibble(regs.get(1).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);
}

Example 34 with Constant

use of com.android.dx.rop.cst.Constant in project J2ME-Loader by nikita36078.

the class Form22s method isCompatible.

/**
 * {@inheritDoc}
 */
@Override
public boolean isCompatible(DalvInsn insn) {
    RegisterSpecList regs = insn.getRegisters();
    if (!((insn instanceof CstInsn) && (regs.size() == 2) && unsignedFitsInNibble(regs.get(0).getReg()) && unsignedFitsInNibble(regs.get(1).getReg()))) {
        return false;
    }
    CstInsn ci = (CstInsn) insn;
    Constant cst = ci.getConstant();
    if (!(cst instanceof CstLiteralBits)) {
        return false;
    }
    CstLiteralBits cb = (CstLiteralBits) cst;
    return cb.fitsInInt() && signedFitsInShort(cb.getIntBits());
}

Example 35 with Constant

use of com.android.dx.rop.cst.Constant in project J2ME-Loader by nikita36078.

the class Form31i method isCompatible.

/**
 * {@inheritDoc}
 */
@Override
public boolean isCompatible(DalvInsn insn) {
    RegisterSpecList regs = insn.getRegisters();
    if (!((insn instanceof CstInsn) && (regs.size() == 1) && unsignedFitsInByte(regs.get(0).getReg()))) {
        return false;
    }
    CstInsn ci = (CstInsn) insn;
    Constant cst = ci.getConstant();
    if (!(cst instanceof CstLiteralBits)) {
        return false;
    }
    return ((CstLiteralBits) cst).fitsInInt();
}