/* op is either =, %=, &=, *=, /=, +=, -=, ^=, |=, <<=, >>=, or >>>=.
*
* expr and var can be null.
*/
private void atVariableAssign(
Expr expr, int op, Variable var, Declarator d, ASTree right, boolean doDup)
throws CompileError {
int varType = d.getType();
int varArray = d.getArrayDim();
String varClass = d.getClassName();
int varNo = getLocalVar(d);
if (op != '=') atVariable(var);
// expr is null if the caller is atDeclarator().
if (expr == null && right instanceof ArrayInit)
atArrayVariableAssign((ArrayInit) right, varType, varArray, varClass);
else atAssignCore(expr, op, right, varType, varArray, varClass);
if (doDup)
if (is2word(varType, varArray)) bytecode.addOpcode(DUP2);
else bytecode.addOpcode(DUP);
if (varArray > 0) bytecode.addAstore(varNo);
else if (varType == DOUBLE) bytecode.addDstore(varNo);
else if (varType == FLOAT) bytecode.addFstore(varNo);
else if (varType == LONG) bytecode.addLstore(varNo);
else if (isRefType(varType)) bytecode.addAstore(varNo);
else bytecode.addIstore(varNo);
exprType = varType;
arrayDim = varArray;
className = varClass;
}
private void atArrayAssign(Expr expr, int op, Expr array, ASTree right, boolean doDup)
throws CompileError {
arrayAccess(array.oprand1(), array.oprand2());
if (op != '=') {
bytecode.addOpcode(DUP2);
bytecode.addOpcode(getArrayReadOp(exprType, arrayDim));
}
int aType = exprType;
int aDim = arrayDim;
String cname = className;
atAssignCore(expr, op, right, aType, aDim, cname);
if (doDup)
if (is2word(aType, aDim)) bytecode.addOpcode(DUP2_X2);
else bytecode.addOpcode(DUP_X2);
bytecode.addOpcode(getArrayWriteOp(aType, aDim));
exprType = aType;
arrayDim = aDim;
className = cname;
}