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[stdlib] Add prototypes to avoid dependency

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Avoid a dependency on ICU headers on Apple platforms, rather than rely
on corelibs-foundation being checked out. This simplifies the
dependencies and unblocks build bots.
This commit is contained in:
Michael Ilseman
2017-05-12 17:27:15 -07:00
parent 573c15ea00
commit d1b2cbef39
2 changed files with 20 additions and 10 deletions
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24
stdlib/public/stubs/UnicodeNormalization.cpp
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@@ -14,6 +14,8 @@
//
//===----------------------------------------------------------------------===//
#include "../SwiftShims/UnicodeShims.h"
#if !defined(__APPLE__)
#include "swift/Basic/Lazy.h"
#include "swift/Runtime/Config.h"
@@ -22,7 +24,6 @@
#include <algorithm>
#include <mutex>
#include <assert.h>
#endif
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdocumentation"
@@ -35,9 +36,6 @@
#pragma clang diagnostic pop
#include "../SwiftShims/UnicodeShims.h"
#if !defined(__APPLE__)
static const UCollator *MakeRootCollator() {
UErrorCode ErrorCode = U_ZERO_ERROR;
UCollator *root = ucol_open("", &ErrorCode);
@@ -303,6 +301,24 @@ template <typename T, typename U> const T *ptr_cast(const U *p) {
}
}
#if defined(__APPLE__)
#include <stdint.h>
extern "C" {
// Declare a few external functions to avoid a dependency on ICU headers.
typedef struct UBreakIterator UBreakIterator;
typedef enum UBreakIteratorType {} UBreakIteratorType;
typedef enum UErrorCode {} UErrorCode;
typedef uint16_t UChar;
void ubrk_close(UBreakIterator *);
UBreakIterator *ubrk_open(UBreakIteratorType, const char *, const UChar *,
int32_t, UErrorCode *);
int32_t ubrk_preceding(UBreakIterator *, int32_t);
int32_t ubrk_following(UBreakIterator *, int32_t);
void ubrk_setText(UBreakIterator *, const UChar *, int32_t, UErrorCode *);
}
#endif // defined(__APPLE__)
void swift::__swift_stdlib_ubrk_close(
swift::__swift_stdlib_UBreakIterator *bi) {
ubrk_close(ptr_cast<UBreakIterator>(bi));