xref: /freebsd/contrib/llvm-project/clang/include/clang-c/CXString.h (revision ebacd8013fe5f7fdf9f6a5b286f6680dd2891036)
1 /*===-- clang-c/CXString.h - C Index strings  --------------------*- C -*-===*\
2 |*                                                                            *|
3 |* Part of the LLVM Project, under the Apache License v2.0 with LLVM          *|
4 |* Exceptions.                                                                *|
5 |* See https://llvm.org/LICENSE.txt for license information.                  *|
6 |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception                    *|
7 |*                                                                            *|
8 |*===----------------------------------------------------------------------===*|
9 |*                                                                            *|
10 |* This header provides the interface to C Index strings.                     *|
11 |*                                                                            *|
12 \*===----------------------------------------------------------------------===*/
13 
14 #ifndef LLVM_CLANG_C_CXSTRING_H
15 #define LLVM_CLANG_C_CXSTRING_H
16 
17 #include "clang-c/ExternC.h"
18 #include "clang-c/Platform.h"
19 
20 LLVM_CLANG_C_EXTERN_C_BEGIN
21 
22 /**
23  * \defgroup CINDEX_STRING String manipulation routines
24  * \ingroup CINDEX
25  *
26  * @{
27  */
28 
29 /**
30  * A character string.
31  *
32  * The \c CXString type is used to return strings from the interface when
33  * the ownership of that string might differ from one call to the next.
34  * Use \c clang_getCString() to retrieve the string data and, once finished
35  * with the string data, call \c clang_disposeString() to free the string.
36  */
37 typedef struct {
38   const void *data;
39   unsigned private_flags;
40 } CXString;
41 
42 typedef struct {
43   CXString *Strings;
44   unsigned Count;
45 } CXStringSet;
46 
47 /**
48  * Retrieve the character data associated with the given string.
49  */
50 CINDEX_LINKAGE const char *clang_getCString(CXString string);
51 
52 /**
53  * Free the given string.
54  */
55 CINDEX_LINKAGE void clang_disposeString(CXString string);
56 
57 /**
58  * Free the given string set.
59  */
60 CINDEX_LINKAGE void clang_disposeStringSet(CXStringSet *set);
61 
62 /**
63  * @}
64  */
65 
66 LLVM_CLANG_C_EXTERN_C_END
67 
68 #endif
69 
70