Examples with Pure org.vmmagic.pragma.Pure used on opensource projects

Example 1 with Pure

use of org.vmmagic.pragma.Pure in project JikesRVM by JikesRVM.

the class Class method getDefaultConstructor.

// --- Constructors ---
@Pure
private RVMMethod getDefaultConstructor() {
    if (this.defaultConstructor == null) {
        RVMMethod defaultConstructor = null;
        RVMMethod[] methods = type.asClass().getConstructorMethods();
        for (RVMMethod method : methods) {
            if (method.getParameterTypes().length == 0) {
                defaultConstructor = method;
                break;
            }
        }
        this.defaultConstructor = defaultConstructor;
    }
    return this.defaultConstructor;
}

Example 2 with Pure

use of org.vmmagic.pragma.Pure in project JikesRVM by JikesRVM.

the class Class method getFieldInternal.

// --- Fields ---
@Pure
private RVMField getFieldInternal(Atom name) {
    RVMClass ctype = type.asClass();
    // (1) Check my public declared fields
    RVMField[] fields = ctype.getDeclaredFields();
    for (RVMField field : fields) {
        if (field.isPublic() && field.getName() == name) {
            return field;
        }
    }
    // (2) Check superinterfaces
    RVMClass[] interfaces = ctype.getDeclaredInterfaces();
    for (RVMClass anInterface : interfaces) {
        RVMField ans = anInterface.getClassForType().getFieldInternal(name);
        if (ans != null)
            return ans;
    }
    // (3) Check superclass (if I have one).
    if (ctype.getSuperClass() != null) {
        return ctype.getSuperClass().getClassForType().getFieldInternal(name);
    }
    return null;
}

Example 3 with Pure

use of org.vmmagic.pragma.Pure in project JikesRVM by JikesRVM.

the class Class method getMethodInternal2.

@Pure
private RVMMethod getMethodInternal2(Atom aName, Class<?>... parameterTypes) {
    RVMMethod answer = null;
    RVMMethod[] methods = type.asClass().getVirtualMethods();
    for (RVMMethod meth : methods) {
        if (meth.getName() == aName && meth.isPublic() && parametersMatch(meth.getParameterTypes(), parameterTypes)) {
            if (answer == null) {
                answer = meth;
            } else {
                RVMMethod m2 = meth;
                if (answer.getReturnType().resolve().isAssignableFrom(m2.getReturnType().resolve())) {
                    answer = m2;
                }
            }
        }
    }
    return answer;
}

Example 4 with Pure

use of org.vmmagic.pragma.Pure in project JikesRVM by JikesRVM.

the class RVMClass method getAllImplementedInterfaces.

/**
 * @return All of the interfaces implemented by this class either
 * directly or by inheritance from superclass and superinterfaces
 * recursively.
 */
@Pure
public RVMClass[] getAllImplementedInterfaces() {
    if (VM.VerifyAssertions)
        VM._assert(isResolved());
    int count = 0;
    int[] doesImplement = getDoesImplement();
    for (int mask : doesImplement) {
        while (mask != 0) {
            count++;
            // clear lsb 1 bit
            mask &= (mask - 1);
        }
    }
    if (count == 0)
        return emptyVMClass;
    RVMClass[] ans = new RVMClass[count];
    for (int i = 0, idx = 0; i < doesImplement.length; i++) {
        int mask = doesImplement[i];
        if (mask != 0) {
            for (int j = 0; j < 32; j++) {
                if ((mask & (1 << j)) != 0) {
                    int id = 32 * i + j;
                    ans[idx++] = RVMClass.getInterface(id);
                }
            }
        }
    }
    return ans;
}