forked from OSchip/llvm-project
72 lines
2.6 KiB
Objective-C
72 lines
2.6 KiB
Objective-C
// RUN: %clang_analyze_cc1 -w -triple i386-apple-darwin10 -fblocks -verify %s \
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// RUN: -analyzer-checker=core.builtin \
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// RUN: -analyzer-checker=debug.ExprInspection \
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// RUN: -analyzer-config display-checker-name=false
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#include "Inputs/system-header-simulator-objc.h"
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void clang_analyzer_explain(void *);
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@interface Object : NSObject {
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@public
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Object *x;
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}
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@end
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void test_1(Object *p) {
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clang_analyzer_explain(p); // expected-warning-re{{{{^argument 'p'$}}}}
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clang_analyzer_explain(p->x); // expected-warning-re{{{{^initial value of instance variable 'x' of object at argument 'p'$}}}}
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Object *q = [[Object alloc] init];
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clang_analyzer_explain(q); // expected-warning-re{{{{^symbol of type 'Object \*' conjured at statement '\[\[Object alloc\] init\]'$}}}}
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clang_analyzer_explain(q->x); // expected-warning-re{{{{^initial value of instance variable 'x' of object at symbol of type 'Object \*' conjured at statement '\[\[Object alloc\] init\]'$}}}}
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}
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void test_2() {
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__block int x;
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^{
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clang_analyzer_explain(&x); // expected-warning-re{{{{^pointer to block variable 'x'$}}}}
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};
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clang_analyzer_explain(&x); // expected-warning-re{{{{^pointer to block variable 'x'$}}}}
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}
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@interface O
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+ (instancetype)top_level_class_method:(int)param;
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+ (instancetype)non_top_level_class_method:(int)param;
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- top_level_instance_method:(int)param;
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- non_top_level_instance_method:(int)param;
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@end
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@implementation O
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+ (instancetype)top_level_class_method:(int)param {
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clang_analyzer_explain(¶m); // expected-warning-re{{{{^pointer to parameter 'param'$}}}}
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}
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+ (instancetype)non_top_level_class_method:(int)param {
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clang_analyzer_explain(¶m); // expected-warning-re{{{{^pointer to parameter 'param'$}}}}
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}
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- top_level_instance_method:(int)param {
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clang_analyzer_explain(¶m); // expected-warning-re{{{{^pointer to parameter 'param'$}}}}
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}
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- non_top_level_instance_method:(int)param {
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clang_analyzer_explain(¶m); // expected-warning-re{{{{^pointer to parameter 'param'$}}}}
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}
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@end
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void test_3(int n, int m) {
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O *o = [O non_top_level_class_method:n];
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[o non_top_level_instance_method:m];
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void (^block_top_level)(int) = ^(int param) {
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clang_analyzer_explain(¶m); // expected-warning-re{{{{^pointer to parameter 'param'$}}}}
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clang_analyzer_explain(&n); // expected-warning-re{{{{^pointer to parameter 'n'$}}}}
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};
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void (^block_non_top_level)(int) = ^(int param) {
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clang_analyzer_explain(¶m); // expected-warning-re{{{{^pointer to parameter 'param'$}}}}
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clang_analyzer_explain(&n); // expected-warning-re{{{{^pointer to parameter 'n'$}}}}
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};
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block_non_top_level(n);
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}
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