/**
* Generates JVM bytecode to evaluate this expression.
*
* @param code the bytecode sequence
* @param discardValue discard the result of the evaluation ?
*/
public void genCode(CodeSequence code, boolean discardValue) {
setLineNumber(code);
expr.genCode(code, false);
code.plantInstruction(new PushLiteralInstruction(1));
code.plantNoArgInstruction(opc_ixor);
if (discardValue) {
code.plantPopInstruction(type);
}
}
/**
* Generates a sequence of bytescodes
*
* @param code the code list
*/
public void genCode(CodeSequence code) {
setLineNumber(code);
if (expr != null) {
expr.genCode(code, false);
code.plantReturn(this);
code.plantNoArgInstruction(expr.getType().getReturnOpcode());
} else {
code.plantReturn(this);
code.plantNoArgInstruction(opc_return);
}
}
/**
* Generates JVM bytecode to evaluate this expression.
*
* @param code the bytecode sequence
* @param discardValue discard the result of the evaluation ?
*/
public void genCode(CodeSequence code, boolean discardValue) {
setLineNumber(code);
expr.genCode(code, false);
if (type == CStdType.Long) {
code.plantInstruction(new PushLiteralInstruction((long) -1));
code.plantNoArgInstruction(opc_lxor);
} else {
code.plantInstruction(new PushLiteralInstruction((int) -1));
code.plantNoArgInstruction(opc_ixor);
}
if (discardValue) {
code.plantPopInstruction(getType());
}
}
/**
* Generates JVM bytecode to evaluate this expression.
*
* @param code the bytecode sequence
* @param discardValue discard the result of the evaluation ?
*/
public void genCode(CodeSequence code, boolean discardValue) {
setLineNumber(code);
boolean forceNonVirtual = false;
if (!method.isStatic()) {
prefix.genCode(code, false);
if (prefix instanceof JSuperExpression) {
forceNonVirtual = true;
}
} else if (prefix != null) {
prefix.genCode(code, true);
}
for (int i = 0; i < args.length; i++) {
args[i].genCode(code, false);
}
method.genCode(code, forceNonVirtual);
if (discardValue) {
code.plantPopInstruction(getType());
}
}
/** Load the value from a local var (after finally) */
public void store(CodeSequence code, JLocalVariable var) {
code.plantLocalVar(expr.getType().getStoreOpcode(), var);
}
/** Load the value from a local var (after finally) */
public void load(CodeSequence code, JLocalVariable var) {
code.plantLocalVar(expr.getType().getLoadOpcode(), var);
}
