File: explain-svals.m

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (27 lines) | stat: -rw-r--r-- 1,109 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
// RUN: %clang_analyze_cc1 -w -triple i386-apple-darwin10 -fblocks -analyzer-checker=core.builtin,debug.ExprInspection -verify %s

#include "Inputs/system-header-simulator-objc.h"

void clang_analyzer_explain(void *);

@interface Object : NSObject {
@public
  Object *x;
}
@end

void test_1(Object *p) {
  clang_analyzer_explain(p); // expected-warning-re{{{{^argument 'p'$}}}}
  clang_analyzer_explain(p->x); // expected-warning-re{{{{^initial value of instance variable 'x' of object at argument 'p'$}}}}
  Object *q = [[Object alloc] init];
  clang_analyzer_explain(q); // expected-warning-re{{{{^symbol of type 'Object \*' conjured at statement '\[\[Object alloc\] init\]'$}}}}
  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\]'$}}}}
}

void test_2() {
  __block int x;
  ^{
    clang_analyzer_explain(&x); // expected-warning-re{{{{^pointer to block variable 'x'$}}}}
  };
  clang_analyzer_explain(&x); // expected-warning-re{{{{^pointer to block variable 'x'$}}}}
}