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-rw-r--r--llvm/include/llvm/ADT/StringRef.h86
-rw-r--r--llvm/lib/Support/StringRef.cpp21
-rw-r--r--llvm/unittests/ADT/StringRefTest.cpp98
3 files changed, 127 insertions, 78 deletions
diff --git a/llvm/include/llvm/ADT/StringRef.h b/llvm/include/llvm/ADT/StringRef.h
index bb1ab53..493f26a 100644
--- a/llvm/include/llvm/ADT/StringRef.h
+++ b/llvm/include/llvm/ADT/StringRef.h
@@ -189,12 +189,15 @@ namespace llvm {
compareMemory(Data, RHS.Data, RHS.Length) == 0);
}
- /// equals_lower - Check for string equality, ignoring case.
+ /// Check for string equality, ignoring case.
LLVM_NODISCARD
- bool equals_lower(StringRef RHS) const {
- return Length == RHS.Length && compare_lower(RHS) == 0;
+ bool equals_insensitive(StringRef RHS) const {
+ return Length == RHS.Length && compare_insensitive(RHS) == 0;
}
+ LLVM_NODISCARD
+ bool equals_lower(StringRef RHS) const { return equals_insensitive(RHS); }
+
/// compare - Compare two strings; the result is -1, 0, or 1 if this string
/// is lexicographically less than, equal to, or greater than the \p RHS.
LLVM_NODISCARD
@@ -209,9 +212,12 @@ namespace llvm {
return Length < RHS.Length ? -1 : 1;
}
- /// compare_lower - Compare two strings, ignoring case.
+ /// Compare two strings, ignoring case.
LLVM_NODISCARD
- int compare_lower(StringRef RHS) const;
+ int compare_insensitive(StringRef RHS) const;
+
+ LLVM_NODISCARD
+ int compare_lower(StringRef RHS) const { return compare_insensitive(RHS); }
/// compare_numeric - Compare two strings, treating sequences of digits as
/// numbers.
@@ -290,7 +296,12 @@ namespace llvm {
/// Check if this string starts with the given \p Prefix, ignoring case.
LLVM_NODISCARD
- bool startswith_lower(StringRef Prefix) const;
+ bool startswith_insensitive(StringRef Prefix) const;
+
+ LLVM_NODISCARD
+ bool startswith_lower(StringRef Prefix) const {
+ return startswith_insensitive(Prefix);
+ }
/// Check if this string ends with the given \p Suffix.
LLVM_NODISCARD
@@ -301,7 +312,12 @@ namespace llvm {
/// Check if this string ends with the given \p Suffix, ignoring case.
LLVM_NODISCARD
- bool endswith_lower(StringRef Suffix) const;
+ bool endswith_insensitive(StringRef Suffix) const;
+
+ LLVM_NODISCARD
+ bool endswith_lower(StringRef Prefix) const {
+ return endswith_insensitive(Prefix);
+ }
/// @}
/// @name String Searching
@@ -327,7 +343,12 @@ namespace llvm {
/// \returns The index of the first occurrence of \p C, or npos if not
/// found.
LLVM_NODISCARD
- size_t find_lower(char C, size_t From = 0) const;
+ size_t find_insensitive(char C, size_t From = 0) const;
+
+ LLVM_NODISCARD
+ size_t find_lower(char C, size_t From = 0) const {
+ return find_insensitive(C, From);
+ }
/// Search for the first character satisfying the predicate \p F
///
@@ -365,7 +386,12 @@ namespace llvm {
/// \returns The index of the first occurrence of \p Str, or npos if not
/// found.
LLVM_NODISCARD
- size_t find_lower(StringRef Str, size_t From = 0) const;
+ size_t find_insensitive(StringRef Str, size_t From = 0) const;
+
+ LLVM_NODISCARD
+ size_t find_lower(StringRef Str, size_t From = 0) const {
+ return find_insensitive(Str, From);
+ }
/// Search for the last character \p C in the string.
///
@@ -388,7 +414,12 @@ namespace llvm {
/// \returns The index of the last occurrence of \p C, or npos if not
/// found.
LLVM_NODISCARD
- size_t rfind_lower(char C, size_t From = npos) const;
+ size_t rfind_insensitive(char C, size_t From = npos) const;
+
+ LLVM_NODISCARD
+ size_t rfind_lower(char C, size_t From = npos) const {
+ return rfind_insensitive(C, From);
+ }
/// Search for the last string \p Str in the string.
///
@@ -402,7 +433,10 @@ namespace llvm {
/// \returns The index of the last occurrence of \p Str, or npos if not
/// found.
LLVM_NODISCARD
- size_t rfind_lower(StringRef Str) const;
+ size_t rfind_insensitive(StringRef Str) const;
+
+ LLVM_NODISCARD
+ size_t rfind_lower(StringRef Str) const { return rfind_insensitive(Str); }
/// Find the first character in the string that is \p C, or npos if not
/// found. Same as find.
@@ -469,14 +503,24 @@ namespace llvm {
/// Return true if the given string is a substring of *this, and false
/// otherwise.
LLVM_NODISCARD
+ bool contains_insensitive(StringRef Other) const {
+ return find_insensitive(Other) != npos;
+ }
+
+ LLVM_NODISCARD
bool contains_lower(StringRef Other) const {
- return find_lower(Other) != npos;
+ return contains_insensitive(Other);
}
/// Return true if the given character is contained in *this, and false
/// otherwise.
LLVM_NODISCARD
- bool contains_lower(char C) const { return find_lower(C) != npos; }
+ bool contains_insensitive(char C) const {
+ return find_insensitive(C) != npos;
+ }
+
+ LLVM_NODISCARD
+ bool contains_lower(char C) const { return contains_insensitive(C); }
/// @}
/// @name Helpful Algorithms
@@ -687,14 +731,18 @@ namespace llvm {
/// Returns true if this StringRef has the given prefix, ignoring case,
/// and removes that prefix.
- bool consume_front_lower(StringRef Prefix) {
- if (!startswith_lower(Prefix))
+ bool consume_front_insensitive(StringRef Prefix) {
+ if (!startswith_insensitive(Prefix))
return false;
*this = drop_front(Prefix.size());
return true;
}
+ bool consume_front_lower(StringRef Prefix) {
+ return consume_front_insensitive(Prefix);
+ }
+
/// Returns true if this StringRef has the given suffix and removes that
/// suffix.
bool consume_back(StringRef Suffix) {
@@ -707,14 +755,18 @@ namespace llvm {
/// Returns true if this StringRef has the given suffix, ignoring case,
/// and removes that suffix.
- bool consume_back_lower(StringRef Suffix) {
- if (!endswith_lower(Suffix))
+ bool consume_back_insensitive(StringRef Suffix) {
+ if (!endswith_insensitive(Suffix))
return false;
*this = drop_back(Suffix.size());
return true;
}
+ bool consume_back_lower(StringRef Suffix) {
+ return consume_back_insensitive(Suffix);
+ }
+
/// Return a reference to the substring from [Start, End).
///
/// \param Start The index of the starting character in the substring; if
diff --git a/llvm/lib/Support/StringRef.cpp b/llvm/lib/Support/StringRef.cpp
index ab67ef9..c532a1a 100644
--- a/llvm/lib/Support/StringRef.cpp
+++ b/llvm/lib/Support/StringRef.cpp
@@ -34,8 +34,7 @@ static int ascii_strncasecmp(const char *LHS, const char *RHS, size_t Length) {
return 0;
}
-/// compare_lower - Compare strings, ignoring case.
-int StringRef::compare_lower(StringRef RHS) const {
+int StringRef::compare_insensitive(StringRef RHS) const {
if (int Res = ascii_strncasecmp(Data, RHS.Data, std::min(Length, RHS.Length)))
return Res;
if (Length == RHS.Length)
@@ -43,19 +42,17 @@ int StringRef::compare_lower(StringRef RHS) const {
return Length < RHS.Length ? -1 : 1;
}
-/// Check if this string starts with the given \p Prefix, ignoring case.
-bool StringRef::startswith_lower(StringRef Prefix) const {
+bool StringRef::startswith_insensitive(StringRef Prefix) const {
return Length >= Prefix.Length &&
ascii_strncasecmp(Data, Prefix.Data, Prefix.Length) == 0;
}
-/// Check if this string ends with the given \p Suffix, ignoring case.
-bool StringRef::endswith_lower(StringRef Suffix) const {
+bool StringRef::endswith_insensitive(StringRef Suffix) const {
return Length >= Suffix.Length &&
ascii_strncasecmp(end() - Suffix.Length, Suffix.Data, Suffix.Length) == 0;
}
-size_t StringRef::find_lower(char C, size_t From) const {
+size_t StringRef::find_insensitive(char C, size_t From) const {
char L = toLower(C);
return find_if([L](char D) { return toLower(D) == L; }, From);
}
@@ -173,10 +170,10 @@ size_t StringRef::find(StringRef Str, size_t From) const {
return npos;
}
-size_t StringRef::find_lower(StringRef Str, size_t From) const {
+size_t StringRef::find_insensitive(StringRef Str, size_t From) const {
StringRef This = substr(From);
while (This.size() >= Str.size()) {
- if (This.startswith_lower(Str))
+ if (This.startswith_insensitive(Str))
return From;
This = This.drop_front();
++From;
@@ -184,7 +181,7 @@ size_t StringRef::find_lower(StringRef Str, size_t From) const {
return npos;
}
-size_t StringRef::rfind_lower(char C, size_t From) const {
+size_t StringRef::rfind_insensitive(char C, size_t From) const {
From = std::min(From, Length);
size_t i = From;
while (i != 0) {
@@ -211,13 +208,13 @@ size_t StringRef::rfind(StringRef Str) const {
return npos;
}
-size_t StringRef::rfind_lower(StringRef Str) const {
+size_t StringRef::rfind_insensitive(StringRef Str) const {
size_t N = Str.size();
if (N > Length)
return npos;
for (size_t i = Length - N + 1, e = 0; i != e;) {
--i;
- if (substr(i, N).equals_lower(Str))
+ if (substr(i, N).equals_insensitive(Str))
return i;
}
return npos;
diff --git a/llvm/unittests/ADT/StringRefTest.cpp b/llvm/unittests/ADT/StringRefTest.cpp
index ed11a2a..87285e0 100644
--- a/llvm/unittests/ADT/StringRefTest.cpp
+++ b/llvm/unittests/ADT/StringRefTest.cpp
@@ -98,15 +98,15 @@ TEST(StringRefTest, StringOps) {
EXPECT_EQ( 1, StringRef("aab").compare("aa"));
EXPECT_EQ( 1, StringRef("\xFF").compare("\1"));
- EXPECT_EQ(-1, StringRef("AaB").compare_lower("aAd"));
- EXPECT_EQ( 0, StringRef("AaB").compare_lower("aab"));
- EXPECT_EQ( 1, StringRef("AaB").compare_lower("AAA"));
- EXPECT_EQ(-1, StringRef("AaB").compare_lower("aaBb"));
- EXPECT_EQ(-1, StringRef("AaB").compare_lower("bb"));
- EXPECT_EQ( 1, StringRef("aaBb").compare_lower("AaB"));
- EXPECT_EQ( 1, StringRef("bb").compare_lower("AaB"));
- EXPECT_EQ( 1, StringRef("AaB").compare_lower("aA"));
- EXPECT_EQ( 1, StringRef("\xFF").compare_lower("\1"));
+ EXPECT_EQ(-1, StringRef("AaB").compare_insensitive("aAd"));
+ EXPECT_EQ( 0, StringRef("AaB").compare_insensitive("aab"));
+ EXPECT_EQ( 1, StringRef("AaB").compare_insensitive("AAA"));
+ EXPECT_EQ(-1, StringRef("AaB").compare_insensitive("aaBb"));
+ EXPECT_EQ(-1, StringRef("AaB").compare_insensitive("bb"));
+ EXPECT_EQ( 1, StringRef("aaBb").compare_insensitive("AaB"));
+ EXPECT_EQ( 1, StringRef("bb").compare_insensitive("AaB"));
+ EXPECT_EQ( 1, StringRef("AaB").compare_insensitive("aA"));
+ EXPECT_EQ( 1, StringRef("\xFF").compare_insensitive("\1"));
EXPECT_EQ(-1, StringRef("aab").compare_numeric("aad"));
EXPECT_EQ( 0, StringRef("aab").compare_numeric("aab"));
@@ -366,14 +366,14 @@ TEST(StringRefTest, StartsWith) {
EXPECT_FALSE(Str.startswith("hi"));
}
-TEST(StringRefTest, StartsWithLower) {
+TEST(StringRefTest, StartsWithInsensitive) {
StringRef Str("heLLo");
- EXPECT_TRUE(Str.startswith_lower(""));
- EXPECT_TRUE(Str.startswith_lower("he"));
- EXPECT_TRUE(Str.startswith_lower("hell"));
- EXPECT_TRUE(Str.startswith_lower("HELlo"));
- EXPECT_FALSE(Str.startswith_lower("helloworld"));
- EXPECT_FALSE(Str.startswith_lower("hi"));
+ EXPECT_TRUE(Str.startswith_insensitive(""));
+ EXPECT_TRUE(Str.startswith_insensitive("he"));
+ EXPECT_TRUE(Str.startswith_insensitive("hell"));
+ EXPECT_TRUE(Str.startswith_insensitive("HELlo"));
+ EXPECT_FALSE(Str.startswith_insensitive("helloworld"));
+ EXPECT_FALSE(Str.startswith_insensitive("hi"));
}
TEST(StringRefTest, ConsumeFront) {
@@ -392,22 +392,22 @@ TEST(StringRefTest, ConsumeFront) {
EXPECT_TRUE(Str.consume_front(""));
}
-TEST(StringRefTest, ConsumeFrontLower) {
+TEST(StringRefTest, ConsumeFrontInsensitive) {
StringRef Str("heLLo");
- EXPECT_TRUE(Str.consume_front_lower(""));
+ EXPECT_TRUE(Str.consume_front_insensitive(""));
EXPECT_EQ("heLLo", Str);
EXPECT_FALSE(Str.consume_front("HEl"));
EXPECT_EQ("heLLo", Str);
- EXPECT_TRUE(Str.consume_front_lower("HEl"));
+ EXPECT_TRUE(Str.consume_front_insensitive("HEl"));
EXPECT_EQ("Lo", Str);
- EXPECT_FALSE(Str.consume_front_lower("loworld"));
+ EXPECT_FALSE(Str.consume_front_insensitive("loworld"));
EXPECT_EQ("Lo", Str);
- EXPECT_FALSE(Str.consume_front_lower("ol"));
+ EXPECT_FALSE(Str.consume_front_insensitive("ol"));
EXPECT_EQ("Lo", Str);
- EXPECT_TRUE(Str.consume_front_lower("lo"));
+ EXPECT_TRUE(Str.consume_front_insensitive("lo"));
EXPECT_EQ("", Str);
- EXPECT_FALSE(Str.consume_front_lower("o"));
- EXPECT_TRUE(Str.consume_front_lower(""));
+ EXPECT_FALSE(Str.consume_front_insensitive("o"));
+ EXPECT_TRUE(Str.consume_front_insensitive(""));
}
TEST(StringRefTest, EndsWith) {
@@ -419,14 +419,14 @@ TEST(StringRefTest, EndsWith) {
EXPECT_FALSE(Str.endswith("so"));
}
-TEST(StringRefTest, EndsWithLower) {
+TEST(StringRefTest, EndsWithInsensitive) {
StringRef Str("heLLo");
- EXPECT_TRUE(Str.endswith_lower(""));
- EXPECT_TRUE(Str.endswith_lower("lo"));
- EXPECT_TRUE(Str.endswith_lower("LO"));
- EXPECT_TRUE(Str.endswith_lower("ELlo"));
- EXPECT_FALSE(Str.endswith_lower("helloworld"));
- EXPECT_FALSE(Str.endswith_lower("hi"));
+ EXPECT_TRUE(Str.endswith_insensitive(""));
+ EXPECT_TRUE(Str.endswith_insensitive("lo"));
+ EXPECT_TRUE(Str.endswith_insensitive("LO"));
+ EXPECT_TRUE(Str.endswith_insensitive("ELlo"));
+ EXPECT_FALSE(Str.endswith_insensitive("helloworld"));
+ EXPECT_FALSE(Str.endswith_insensitive("hi"));
}
TEST(StringRefTest, ConsumeBack) {
@@ -445,22 +445,22 @@ TEST(StringRefTest, ConsumeBack) {
EXPECT_TRUE(Str.consume_back(""));
}
-TEST(StringRefTest, ConsumeBackLower) {
+TEST(StringRefTest, ConsumeBackInsensitive) {
StringRef Str("heLLo");
- EXPECT_TRUE(Str.consume_back_lower(""));
+ EXPECT_TRUE(Str.consume_back_insensitive(""));
EXPECT_EQ("heLLo", Str);
EXPECT_FALSE(Str.consume_back("lO"));
EXPECT_EQ("heLLo", Str);
- EXPECT_TRUE(Str.consume_back_lower("lO"));
+ EXPECT_TRUE(Str.consume_back_insensitive("lO"));
EXPECT_EQ("heL", Str);
- EXPECT_FALSE(Str.consume_back_lower("helhel"));
+ EXPECT_FALSE(Str.consume_back_insensitive("helhel"));
EXPECT_EQ("heL", Str);
- EXPECT_FALSE(Str.consume_back_lower("hle"));
+ EXPECT_FALSE(Str.consume_back_insensitive("hle"));
EXPECT_EQ("heL", Str);
- EXPECT_TRUE(Str.consume_back_lower("hEl"));
+ EXPECT_TRUE(Str.consume_back_insensitive("hEl"));
EXPECT_EQ("", Str);
- EXPECT_FALSE(Str.consume_back_lower("h"));
- EXPECT_TRUE(Str.consume_back_lower(""));
+ EXPECT_FALSE(Str.consume_back_insensitive("h"));
+ EXPECT_TRUE(Str.consume_back_insensitive(""));
}
TEST(StringRefTest, Find) {
@@ -472,7 +472,7 @@ TEST(StringRefTest, Find) {
char C;
std::size_t From;
std::size_t Pos;
- std::size_t LowerPos;
+ std::size_t InsensitivePos;
} CharExpectations[] = {
{Str, 'h', 0U, 0U, 0U},
{Str, 'e', 0U, 1U, 1U},
@@ -488,7 +488,7 @@ TEST(StringRefTest, Find) {
llvm::StringRef S;
std::size_t From;
std::size_t Pos;
- std::size_t LowerPos;
+ std::size_t InsensitivePos;
} StrExpectations[] = {
{Str, "helloword", 0, StringRef::npos, StringRef::npos},
{Str, "hello", 0, 0U, 0U},
@@ -507,14 +507,14 @@ TEST(StringRefTest, Find) {
for (auto &E : CharExpectations) {
EXPECT_EQ(E.Pos, E.Str.find(E.C, E.From));
- EXPECT_EQ(E.LowerPos, E.Str.find_lower(E.C, E.From));
- EXPECT_EQ(E.LowerPos, E.Str.find_lower(toupper(E.C), E.From));
+ EXPECT_EQ(E.InsensitivePos, E.Str.find_insensitive(E.C, E.From));
+ EXPECT_EQ(E.InsensitivePos, E.Str.find_insensitive(toupper(E.C), E.From));
}
for (auto &E : StrExpectations) {
EXPECT_EQ(E.Pos, E.Str.find(E.S, E.From));
- EXPECT_EQ(E.LowerPos, E.Str.find_lower(E.S, E.From));
- EXPECT_EQ(E.LowerPos, E.Str.find_lower(E.S.upper(), E.From));
+ EXPECT_EQ(E.InsensitivePos, E.Str.find_insensitive(E.S, E.From));
+ EXPECT_EQ(E.InsensitivePos, E.Str.find_insensitive(E.S.upper(), E.From));
}
EXPECT_EQ(3U, Str.rfind('l'));
@@ -524,10 +524,10 @@ TEST(StringRefTest, Find) {
EXPECT_EQ(1U, Str.rfind("ello"));
EXPECT_EQ(StringRef::npos, Str.rfind("zz"));
- EXPECT_EQ(8U, Str.rfind_lower('l'));
- EXPECT_EQ(8U, Str.rfind_lower('L'));
- EXPECT_EQ(StringRef::npos, Str.rfind_lower('z'));
- EXPECT_EQ(StringRef::npos, Str.rfind_lower("HELLOWORLD"));
+ EXPECT_EQ(8U, Str.rfind_insensitive('l'));
+ EXPECT_EQ(8U, Str.rfind_insensitive('L'));
+ EXPECT_EQ(StringRef::npos, Str.rfind_insensitive('z'));
+ EXPECT_EQ(StringRef::npos, Str.rfind_insensitive("HELLOWORLD"));
EXPECT_EQ(5U, Str.rfind("HELLO"));
EXPECT_EQ(6U, Str.rfind("ELLO"));
EXPECT_EQ(StringRef::npos, Str.rfind("ZZ"));
generated by cgit v1.1 at 2025-08-03 01:12:00 +0000