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remove support for "NoSub" from regex. It seems like a minor optimization

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and makes the API more annoying.  Add a Regex::getNumMatches() method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82877 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-09-26 21:27:04 +00:00
parent 282098be84
commit 81f46d9ce1
4 changed files with 32 additions and 40 deletions
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8
unittests/Support/RegexTest.cpp
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@@ -25,12 +25,12 @@ TEST_F(RegexTest, Basics) {
EXPECT_FALSE(r1.match("9a"));
SmallVector<StringRef, 1> Matches;
Regex r2("[0-9]+", Regex::Sub);
Regex r2("[0-9]+");
EXPECT_TRUE(r2.match("aa216b", &Matches));
EXPECT_EQ(1u, Matches.size());
EXPECT_EQ("216", Matches[0].str());
Regex r3("[0-9]+([a-f])?:([0-9]+)", Regex::Sub);
Regex r3("[0-9]+([a-f])?:([0-9]+)");
EXPECT_TRUE(r3.match("9a:513b", &Matches));
EXPECT_EQ(3u, Matches.size());
EXPECT_EQ("9a:513", Matches[0].str());
@@ -43,7 +43,7 @@ TEST_F(RegexTest, Basics) {
EXPECT_EQ("", Matches[1].str());
EXPECT_EQ("513", Matches[2].str());
Regex r4("a[^b]+b", Regex::Sub);
Regex r4("a[^b]+b");
std::string String="axxb";
String[2] = '\0';
EXPECT_FALSE(r4.match("abb"));
@@ -55,7 +55,7 @@ TEST_F(RegexTest, Basics) {
std::string NulPattern="X[0-9]+X([a-f])?:([0-9]+)";
String="YX99a:513b";
NulPattern[7] = '\0';
Regex r5(NulPattern, Regex::Sub);
Regex r5(NulPattern);
EXPECT_FALSE(r5.match(String));
EXPECT_FALSE(r5.match("X9"));
String[3]='\0';