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-rw-r--r--lib/Lex/UnicodeCharSets.h102
1 files changed, 7 insertions, 95 deletions
diff --git a/lib/Lex/UnicodeCharSets.h b/lib/Lex/UnicodeCharSets.h
index 37ff8af..01ae7e8 100644
--- a/lib/Lex/UnicodeCharSets.h
+++ b/lib/Lex/UnicodeCharSets.h
@@ -9,98 +9,10 @@
#ifndef CLANG_LEX_UNICODECHARSETS_H
#define CLANG_LEX_UNICODECHARSETS_H
-#include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/Support/Compiler.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/Mutex.h"
-#include "llvm/Support/MutexGuard.h"
-#include "llvm/Support/raw_ostream.h"
-
-namespace {
- struct UnicodeCharRange {
- uint32_t Lower;
- uint32_t Upper;
- };
- typedef llvm::ArrayRef<UnicodeCharRange> UnicodeCharSet;
-
- typedef llvm::SmallPtrSet<const UnicodeCharRange *, 16> ValidatedCharSetsTy;
-}
-
-static inline ValidatedCharSetsTy &getValidatedCharSets() {
- static ValidatedCharSetsTy Validated;
- return Validated;
-}
-
-/// Returns true if each of the ranges in \p CharSet is a proper closed range
-/// [min, max], and if the ranges themselves are ordered and non-overlapping.
-static inline bool isValidCharSet(UnicodeCharSet CharSet) {
-#ifndef NDEBUG
- static llvm::sys::Mutex ValidationMutex;
-
- // Check the validation cache.
- {
- llvm::MutexGuard Guard(ValidationMutex);
- if (getValidatedCharSets().count(CharSet.data()))
- return true;
- }
-
- // Walk through the ranges.
- uint32_t Prev = 0;
- for (UnicodeCharSet::iterator I = CharSet.begin(), E = CharSet.end();
- I != E; ++I) {
- if (Prev >= I->Lower) {
- DEBUG(llvm::dbgs() << "Upper bound 0x");
- DEBUG(llvm::dbgs().write_hex(Prev));
- DEBUG(llvm::dbgs() << " should be less than succeeding lower bound 0x");
- DEBUG(llvm::dbgs().write_hex(I->Lower) << "\n");
- return false;
- }
- if (I->Upper < I->Lower) {
- DEBUG(llvm::dbgs() << "Upper bound 0x");
- DEBUG(llvm::dbgs().write_hex(I->Lower));
- DEBUG(llvm::dbgs() << " should not be less than lower bound 0x");
- DEBUG(llvm::dbgs().write_hex(I->Upper) << "\n");
- return false;
- }
- Prev = I->Upper;
- }
-
- // Update the validation cache.
- {
- llvm::MutexGuard Guard(ValidationMutex);
- getValidatedCharSets().insert(CharSet.data());
- }
-#endif
- return true;
-}
-
-/// Returns true if the Unicode code point \p C is within the set of
-/// characters specified by \p CharSet.
-LLVM_READONLY static inline bool isCharInSet(uint32_t C,
- UnicodeCharSet CharSet) {
- assert(isValidCharSet(CharSet));
-
- size_t LowPoint = 0;
- size_t HighPoint = CharSet.size();
-
- // Binary search the set of char ranges.
- while (HighPoint != LowPoint) {
- size_t MidPoint = (HighPoint + LowPoint) / 2;
- if (C < CharSet[MidPoint].Lower)
- HighPoint = MidPoint;
- else if (C > CharSet[MidPoint].Upper)
- LowPoint = MidPoint + 1;
- else
- return true;
- }
-
- return false;
-}
-
+#include "llvm/Support/UnicodeCharRanges.h"
// C11 D.1, C++11 [charname.allowed]
-static const UnicodeCharRange C11AllowedIDChars[] = {
+static const llvm::sys::UnicodeCharRange C11AllowedIDCharRanges[] = {
// 1
{ 0x00A8, 0x00A8 }, { 0x00AA, 0x00AA }, { 0x00AD, 0x00AD },
{ 0x00AF, 0x00AF }, { 0x00B2, 0x00B5 }, { 0x00B7, 0x00BA },
@@ -132,7 +44,7 @@ static const UnicodeCharRange C11AllowedIDChars[] = {
// C++03 [extendid]
// Note that this is not the same as C++98, but we don't distinguish C++98
// and C++03 in Clang.
-static const UnicodeCharRange CXX03AllowedIDChars[] = {
+static const llvm::sys::UnicodeCharRange CXX03AllowedIDCharRanges[] = {
// Latin
{ 0x00C0, 0x00D6 }, { 0x00D8, 0x00F6 }, { 0x00F8, 0x01F5 },
{ 0x01FA, 0x0217 }, { 0x0250, 0x02A8 },
@@ -251,7 +163,7 @@ static const UnicodeCharRange CXX03AllowedIDChars[] = {
};
// C99 Annex D
-static const UnicodeCharRange C99AllowedIDChars[] = {
+static const llvm::sys::UnicodeCharRange C99AllowedIDCharRanges[] = {
// Latin (1)
{ 0x00AA, 0x00AA },
@@ -470,7 +382,7 @@ static const UnicodeCharRange C99AllowedIDChars[] = {
};
// C11 D.2, C++11 [charname.disallowed]
-static const UnicodeCharRange C11DisallowedInitialIDChars[] = {
+static const llvm::sys::UnicodeCharRange C11DisallowedInitialIDCharRanges[] = {
{ 0x0300, 0x036F }, { 0x1DC0, 0x1DFF }, { 0x20D0, 0x20FF },
{ 0xFE20, 0xFE2F }
};
@@ -478,7 +390,7 @@ static const UnicodeCharRange C11DisallowedInitialIDChars[] = {
// C99 6.4.2.1p3: The initial character [of an identifier] shall not be a
// universal character name designating a digit.
// C99 Annex D defines these characters as "Digits".
-static const UnicodeCharRange C99DisallowedInitialIDChars[] = {
+static const llvm::sys::UnicodeCharRange C99DisallowedInitialIDCharRanges[] = {
{ 0x0660, 0x0669 }, { 0x06F0, 0x06F9 }, { 0x0966, 0x096F },
{ 0x09E6, 0x09EF }, { 0x0A66, 0x0A6F }, { 0x0AE6, 0x0AEF },
{ 0x0B66, 0x0B6F }, { 0x0BE7, 0x0BEF }, { 0x0C66, 0x0C6F },
@@ -487,7 +399,7 @@ static const UnicodeCharRange C99DisallowedInitialIDChars[] = {
};
// Unicode v6.2, chapter 6.2, table 6-2.
-static const UnicodeCharRange UnicodeWhitespaceChars[] = {
+static const llvm::sys::UnicodeCharRange UnicodeWhitespaceCharRanges[] = {
{ 0x0085, 0x0085 }, { 0x00A0, 0x00A0 }, { 0x1680, 0x1680 },
{ 0x180E, 0x180E }, { 0x2000, 0x200A }, { 0x2028, 0x2029 },
{ 0x202F, 0x202F }, { 0x205F, 0x205F }, { 0x3000, 0x3000 }
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