forked from OSchip/llvm-project
113 lines
6.7 KiB
Objective-C
113 lines
6.7 KiB
Objective-C
// RUN: %clang_cc1 -triple i386-apple-darwin10 -fblocks -w -analyze -analyzer-checker=osx.NumberObjectConversion %s -verify
|
|
// RUN: %clang_cc1 -triple i386-apple-darwin10 -fblocks -w -analyze -analyzer-checker=osx.NumberObjectConversion -analyzer-config osx.NumberObjectConversion:Pedantic=true -DPEDANTIC %s -verify
|
|
// RUN: %clang_cc1 -triple i386-apple-darwin10 -fblocks -fobjc-arc -w -analyze -analyzer-checker=osx.NumberObjectConversion %s -verify
|
|
// RUN: %clang_cc1 -triple i386-apple-darwin10 -fblocks -fobjc-arc -w -analyze -analyzer-checker=osx.NumberObjectConversion -analyzer-config osx.NumberObjectConversion:Pedantic=true -DPEDANTIC %s -verify
|
|
|
|
#include "Inputs/system-header-simulator-objc.h"
|
|
|
|
void takes_boolean(BOOL);
|
|
void takes_integer(int);
|
|
|
|
void bad(NSNumber *p) {
|
|
#ifdef PEDANTIC
|
|
if (p) {} // expected-warning{{Converting a pointer value of type 'NSNumber *' to a primitive boolean value; instead, either compare the pointer to nil or call -boolValue}}
|
|
if (!p) {} // expected-warning{{Converting a pointer value of type 'NSNumber *' to a primitive boolean value; instead, either compare the pointer to nil or call -boolValue}}
|
|
(!p) ? 1 : 2; // expected-warning{{Converting a pointer value of type 'NSNumber *' to a primitive boolean value; instead, either compare the pointer to nil or call -boolValue}}
|
|
if (p == 0) {} // expected-warning{{Comparing a pointer value of type 'NSNumber *' to a scalar integer value; instead, either compare the pointer to nil or compare the result of calling a method on 'NSNumber *' to get the scalar value}}
|
|
#else
|
|
if (p) {} // no-warning
|
|
if (!p) {} // no-warning
|
|
(!p) ? 1 : 2; // no-warning
|
|
if (p == 0) {} // no-warning
|
|
#endif
|
|
(BOOL)p; // expected-warning{{Converting a pointer value of type 'NSNumber *' to a primitive BOOL value; did you mean to call -boolValue?}}
|
|
if (p > 0) {} // expected-warning{{Comparing a pointer value of type 'NSNumber *' to a scalar integer value; did you mean to compare the result of calling a method on 'NSNumber *' to get the scalar value?}}
|
|
if (p == YES) {} // expected-warning{{Comparing a pointer value of type 'NSNumber *' to a primitive BOOL value; did you mean to compare the result of calling -boolValue?}}
|
|
if (p == NO) {} // expected-warning{{Comparing a pointer value of type 'NSNumber *' to a primitive BOOL value; did you mean to compare the result of calling -boolValue?}}
|
|
BOOL x = p; // expected-warning{{Converting a pointer value of type 'NSNumber *' to a primitive BOOL value; did you mean to call -boolValue?}}
|
|
x = p; // expected-warning{{Converting a pointer value of type 'NSNumber *' to a primitive BOOL value; did you mean to call -boolValue?}}
|
|
x = (p == YES); // expected-warning{{Comparing a pointer value of type 'NSNumber *' to a primitive BOOL value; did you mean to compare the result of calling -boolValue?}}
|
|
if (p == 1) {} // expected-warning{{Comparing a pointer value of type 'NSNumber *' to a scalar integer value; did you mean to compare the result of calling a method on 'NSNumber *' to get the scalar value?}}
|
|
int y = p; // expected-warning{{Converting a pointer value of type 'NSNumber *' to a scalar integer value; did you mean to call a method on 'NSNumber *' to get the scalar value?}}
|
|
y = p; // expected-warning{{Converting a pointer value of type 'NSNumber *' to a scalar integer value; did you mean to call a method on 'NSNumber *' to get the scalar value?}}
|
|
takes_boolean(p); // expected-warning{{Converting a pointer value of type 'NSNumber *' to a primitive BOOL value; did you mean to call -boolValue?}}
|
|
takes_integer(p); // expected-warning{{Converting a pointer value of type 'NSNumber *' to a scalar integer value; did you mean to call a method on 'NSNumber *' to get the scalar value?}}
|
|
takes_boolean(x); // no-warning
|
|
takes_integer(y); // no-warning
|
|
}
|
|
|
|
typedef NSNumber *SugaredNumber;
|
|
void bad_sugared(SugaredNumber p) {
|
|
p == YES; // expected-warning{{Comparing a pointer value of type 'SugaredNumber' to a primitive BOOL value; did you mean to compare the result of calling -boolValue?}}
|
|
}
|
|
|
|
@interface I : NSObject {
|
|
@public
|
|
NSNumber *ivar;
|
|
NSNumber *prop;
|
|
}
|
|
- (NSNumber *)foo;
|
|
@property(copy) NSNumber *prop;
|
|
@end
|
|
|
|
@implementation I
|
|
@synthesize prop;
|
|
@end
|
|
|
|
void bad_ivar(I *i) {
|
|
i->ivar == YES; // expected-warning{{Comparing a pointer value of type 'NSNumber *' to a primitive BOOL value; did you mean to compare the result of calling -boolValue?}}
|
|
i->prop == YES; // expected-warning{{Comparing a pointer value of type 'NSNumber *' to a primitive BOOL value; did you mean to compare the result of calling -boolValue?}}
|
|
[i foo] == YES; // expected-warning{{Comparing a pointer value of type 'NSNumber *' to a primitive BOOL value; did you mean to compare the result of calling -boolValue?}}
|
|
}
|
|
|
|
void good(NSNumber *p) {
|
|
if ([p boolValue] == NO) {} // no-warning
|
|
if ([p boolValue] == YES) {} // no-warning
|
|
BOOL x = [p boolValue]; // no-warning
|
|
}
|
|
|
|
void suppression(NSNumber *p) {
|
|
if (p == NULL) {} // no-warning
|
|
if (p == nil) {} // no-warning
|
|
}
|
|
|
|
// Conversion of a pointer to an intptr_t is fine.
|
|
typedef long intptr_t;
|
|
typedef unsigned long uintptr_t;
|
|
typedef long fintptr_t; // Fake, for testing the regex.
|
|
void test_intptr_t(NSNumber *p) {
|
|
(long)p; // expected-warning{{Converting a pointer value of type 'NSNumber *' to a scalar integer value; did you mean to call a method on 'NSNumber *' to get the scalar value?}}
|
|
(intptr_t)p; // no-warning
|
|
(unsigned long)p; // expected-warning{{Converting a pointer value of type 'NSNumber *' to a scalar integer value; did you mean to call a method on 'NSNumber *' to get the scalar value?}}
|
|
(uintptr_t)p; // no-warning
|
|
(fintptr_t)p; // expected-warning{{Converting a pointer value of type 'NSNumber *' to a scalar integer value; did you mean to call a method on 'NSNumber *' to get the scalar value?}}
|
|
}
|
|
|
|
// Test macro suppressions.
|
|
#define FOO 0
|
|
#define BAR 1
|
|
void test_macro(NSNumber *p) {
|
|
if (p != BAR) {} // expected-warning{{Comparing a pointer value of type 'NSNumber *' to a scalar integer value; did you mean to compare the result of calling a method on 'NSNumber *' to get the scalar value?}}
|
|
#ifdef PEDANTIC
|
|
if (p != FOO) {} // expected-warning{{Comparing a pointer value of type 'NSNumber *' to a scalar integer value; instead, either compare the pointer to nil or compare the result of calling a method on 'NSNumber *' to get the scalar value}}
|
|
#else
|
|
if (p != FOO) {} // no-warning
|
|
#endif
|
|
}
|
|
|
|
#define NULL_INSIDE_MACRO NULL
|
|
void test_NULL_inside_macro(NSNumber *p) {
|
|
#ifdef PEDANTIC
|
|
if (p == NULL_INSIDE_MACRO) {} // no-warning
|
|
#else
|
|
if (p == NULL_INSIDE_MACRO) {} // no-warning
|
|
#endif
|
|
}
|
|
|
|
// Test a different definition of NULL.
|
|
#undef NULL
|
|
#define NULL 0
|
|
void test_non_pointer_NULL(NSNumber *p) {
|
|
if (p == NULL) {} // no-warning
|
|
}
|