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

Example 76 with Constant

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

the class Form21h 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;
    // Where the high bits are depends on the category of the target.
    if (regs.get(0).getCategory() == 1) {
        int bits = cb.getIntBits();
        return ((bits & 0xffff) == 0);
    } else {
        long bits = cb.getLongBits();
        return ((bits & 0xffffffffffffL) == 0);
    }
}

Example 77 with Constant

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

the class Form22b method isCompatible.

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

Example 78 with Constant

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

the class Form31c method isCompatible.

/**
 * {@inheritDoc}
 */
@Override
public boolean isCompatible(DalvInsn insn) {
    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;
    Constant cst = ci.getConstant();
    return (cst instanceof CstType) || (cst instanceof CstFieldRef) || (cst instanceof CstString);
}

Example 79 with Constant

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

the class Form35c method isCompatible.

/**
 * {@inheritDoc}
 */
@Override
public boolean isCompatible(DalvInsn insn) {
    if (!(insn instanceof CstInsn)) {
        return false;
    }
    CstInsn ci = (CstInsn) insn;
    int cpi = ci.getIndex();
    if (!unsignedFitsInShort(cpi)) {
        return false;
    }
    Constant cst = ci.getConstant();
    if (!((cst instanceof CstMethodRef) || (cst instanceof CstType))) {
        return false;
    }
    RegisterSpecList regs = ci.getRegisters();
    return (wordCount(regs) >= 0);
}

Example 80 with Constant

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

the class Form3rc method isCompatible.

/**
 * {@inheritDoc}
 */
@Override
public boolean isCompatible(DalvInsn insn) {
    if (!(insn instanceof CstInsn)) {
        return false;
    }
    CstInsn ci = (CstInsn) insn;
    int cpi = ci.getIndex();
    Constant cst = ci.getConstant();
    if (!unsignedFitsInShort(cpi)) {
        return false;
    }
    if (!((cst instanceof CstMethodRef) || (cst instanceof CstType))) {
        return false;
    }
    RegisterSpecList regs = ci.getRegisters();
    int sz = regs.size();
    return (regs.size() == 0) || (isRegListSequential(regs) && unsignedFitsInShort(regs.get(0).getReg()) && unsignedFitsInByte(regs.getWordCount()));
}