c-arcmt-test.c source code [clang_source_code/tools/c-arcmt-test/c-arcmt-test.c]

1	/* c-arcmt-test.c */
2
3	#include "clang-c/Index.h"
4	#include <stdlib.h>
5	#include <stdio.h>
6	#include <string.h>
7	#if defined(_WIN32)
8	#include <io.h>
9	#include <fcntl.h>
10	#endif
11
12	static int print_remappings(const char *path) {
13	CXRemapping remap;
14	unsigned i, N;
15	CXString origFname;
16	CXString transFname;
17
18	remap = clang_getRemappings(path);
19	if (!remap)
20	return 1;
21
22	N = clang_remap_getNumFiles(remap);
23	for (i = 0; i != N; ++i) {
24	clang_remap_getFilenames(remap, i, &origFname, &transFname);
25
26	fprintf(stdout, "%s\n", clang_getCString(origFname));
27	fprintf(stdout, "%s\n", clang_getCString(transFname));
28
29	clang_disposeString(origFname);
30	clang_disposeString(transFname);
31	}
32
33	clang_remap_dispose(remap);
34	return 0;
35	}
36
37	static int print_remappings_filelist(const char **files, unsigned numFiles) {
38	CXRemapping remap;
39	unsigned i, N;
40	CXString origFname;
41	CXString transFname;
42
43	remap = clang_getRemappingsFromFileList(files, numFiles);
44	if (!remap)
45	return 1;
46
47	N = clang_remap_getNumFiles(remap);
48	for (i = 0; i != N; ++i) {
49	clang_remap_getFilenames(remap, i, &origFname, &transFname);
50
51	fprintf(stdout, "%s\n", clang_getCString(origFname));
52	fprintf(stdout, "%s\n", clang_getCString(transFname));
53
54	clang_disposeString(origFname);
55	clang_disposeString(transFname);
56	}
57
58	clang_remap_dispose(remap);
59	return 0;
60	}
61
62	/******************************************************************************/
63	/* Command line processing. */
64	/******************************************************************************/
65
66	static void print_usage(void) {
67	fprintf(stderr,
68	"usage: c-arcmt-test -mt-migrate-directory <path>\n"
69	" c-arcmt-test <remap-file-path1> <remap-file-path2> ...\n\n\n");
70	}
71
72	/***/
73
74	int carcmttest_main(int argc, const char **argv) {
75	clang_enableStackTraces();
76	if (argc == 3 && strncmp(argv[1], "-mt-migrate-directory", 21) == 0)
77	return print_remappings(argv[2]);
78
79	if (argc > 1)
80	return print_remappings_filelist(argv+1, argc-1);
81
82	print_usage();
83	return 1;
84	}
85
86	/***/
87
88	/* We intentionally run in a separate thread to ensure we at least minimal
89	* testing of a multithreaded environment (for example, having a reduced stack
90	* size). */
91
92	typedef struct thread_info {
93	int argc;
94	const char **argv;
95	int result;
96	} thread_info;
97	void thread_runner(void *client_data_v) {
98	thread_info *client_data = client_data_v;
99	client_data->result = carcmttest_main(client_data->argc, client_data->argv);
100	}
101
102	static void flush_atexit(void) {
103	/* stdout, and surprisingly even stderr, are not always flushed on process
104	* and thread exit, particularly when the system is under heavy load. */
105	fflush(stdout);
106	fflush(stderr);
107	}
108
109	int main(int argc, const char **argv) {
110	thread_info client_data;
111
112	atexit(flush_atexit);
113
114	#if defined(_WIN32)
115	if (getenv("LIBCLANG_LOGGING") == NULL)
116	putenv("LIBCLANG_LOGGING=1");
117	_setmode( _fileno(stdout), _O_BINARY );
118	#else
119	setenv("LIBCLANG_LOGGING", "1", /overwrite=/0);
120	#endif
121
122	if (getenv("CINDEXTEST_NOTHREADS"))
123	return carcmttest_main(argc, argv);
124
125	client_data.argc = argc;
126	client_data.argv = argv;
127	clang_executeOnThread(thread_runner, &client_data, 0);
128	return client_data.result;
129	}
130

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