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Remove "illegal" UnsafePointer casts from the stdlib.

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Update for SE-0107: UnsafeRawPointer

This adds a "mutating" initialize to UnsafePointer to make
Immutable -> Mutable conversions explicit.

These are quick fixes to stdlib, overlays, and test cases that are necessary
in order to remove arbitrary UnsafePointer conversions.

Many cases can be expressed better up by reworking the surrounding
code, but we first need a working starting point.
This commit is contained in:
Andrew Trick
2016-07-26 22:39:58 -07:00
parent 178d194aa1
commit 0b75ee975e
41 changed files with 418 additions and 326 deletions
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8
stdlib/public/stubs/UnicodeNormalization.cpp
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@@ -153,7 +153,7 @@ swift::_swift_stdlib_unicode_compare_utf16_utf16(const uint16_t *LeftString,
/// ==0 the strings are equal according to their collation.
/// >0 the left string is greater than the right string.
int32_t
swift::_swift_stdlib_unicode_compare_utf8_utf16(const char *LeftString,
swift::_swift_stdlib_unicode_compare_utf8_utf16(const unsigned char *LeftString,
int32_t LeftLength,
const uint16_t *RightString,
int32_t RightLength) {
@@ -183,9 +183,9 @@ swift::_swift_stdlib_unicode_compare_utf8_utf16(const char *LeftString,
/// ==0 the strings are equal according to their collation.
/// >0 the left string is greater than the right string.
int32_t
swift::_swift_stdlib_unicode_compare_utf8_utf8(const char *LeftString,
swift::_swift_stdlib_unicode_compare_utf8_utf8(const unsigned char *LeftString,
int32_t LeftLength,
const char *RightString,
const unsigned char *RightString,
int32_t RightLength) {
UCharIterator LeftIterator;
UCharIterator RightIterator;
@@ -266,7 +266,7 @@ swift::_swift_stdlib_unicode_hash(const uint16_t *Str, int32_t Length) {
return hashFinish(HashState);
}
intptr_t swift::_swift_stdlib_unicode_hash_ascii(const char *Str,
intptr_t swift::_swift_stdlib_unicode_hash_ascii(const unsigned char *Str,
int32_t Length) {
const ASCIICollation *Table = ASCIICollation::getTable();
intptr_t HashState = HASH_SEED;