public void atVariable(Variable v) throws CompileError {
Declarator d = v.getDeclarator();
exprType = d.getType();
arrayDim = d.getArrayDim();
className = d.getClassName();
int var = getLocalVar(d);
if (arrayDim > 0) bytecode.addAload(var);
else
switch (exprType) {
case CLASS:
bytecode.addAload(var);
break;
case LONG:
bytecode.addLload(var);
break;
case FLOAT:
bytecode.addFload(var);
break;
case DOUBLE:
bytecode.addDload(var);
break;
default: // BOOLEAN, BYTE, CHAR, SHORT, INT
bytecode.addIload(var);
break;
}
}
public void atKeyword(Keyword k) throws CompileError {
arrayDim = 0;
int token = k.get();
switch (token) {
case TRUE:
bytecode.addIconst(1);
exprType = BOOLEAN;
break;
case FALSE:
bytecode.addIconst(0);
exprType = BOOLEAN;
break;
case NULL:
bytecode.addOpcode(ACONST_NULL);
exprType = NULL;
break;
case THIS:
case SUPER:
if (inStaticMethod)
throw new CompileError("not-available: " + (token == THIS ? "this" : "super"));
bytecode.addAload(0);
exprType = CLASS;
if (token == THIS) className = getThisName();
else className = getSuperName();
break;
default:
fatal();
}
}
/**
* Creates a public setter method. The setter method assigns the value of the first parameter to
* the specified field in the class to which this method is added. The created method is not
* static even if the field is static. You may not change it to be static by <code>setModifiers()
* </code> in <code>CtBehavior</code>.
*
* @param methodName the name of the setter
* @param field the field accessed.
*/
public static CtMethod setter(String methodName, CtField field) throws CannotCompileException {
FieldInfo finfo = field.getFieldInfo2();
String fieldType = finfo.getDescriptor();
String desc = "(" + fieldType + ")V";
ConstPool cp = finfo.getConstPool();
MethodInfo minfo = new MethodInfo(cp, methodName, desc);
minfo.setAccessFlags(AccessFlag.PUBLIC);
Bytecode code = new Bytecode(cp, 3, 3);
try {
String fieldName = finfo.getName();
if ((finfo.getAccessFlags() & AccessFlag.STATIC) == 0) {
code.addAload(0);
code.addLoad(1, field.getType());
code.addPutfield(Bytecode.THIS, fieldName, fieldType);
} else {
code.addLoad(1, field.getType());
code.addPutstatic(Bytecode.THIS, fieldName, fieldType);
}
code.addReturn(null);
} catch (NotFoundException e) {
throw new CannotCompileException(e);
}
minfo.setCodeAttribute(code.toCodeAttribute());
return new CtMethod(minfo, field.getDeclaringClass());
}