Move feature-specific functions out of Strings.cpp.

Functions declared in Strings.h should provide generic string operations
for the linker, but some of them are too specific to some features. This
patch moves them to the location where they are used.

llvm-svn: 307949
diff --git a/lld/ELF/LinkerScript.cpp b/lld/ELF/LinkerScript.cpp
index a182d5a..84c9074 100644
--- a/lld/ELF/LinkerScript.cpp
+++ b/lld/ELF/LinkerScript.cpp
@@ -229,6 +229,19 @@
   return false;
 }
 
+// If an input string is in the form of "foo.N" where N is a number,
+// return N. Otherwise, returns 65536, which is one greater than the
+// lowest priority.
+static int getPriority(StringRef S) {
+  size_t Pos = S.rfind('.');
+  if (Pos == StringRef::npos)
+    return 65536;
+  int V;
+  if (!to_integer(S.substr(Pos + 1), V, 10))
+    return 65536;
+  return V;
+}
+
 // A helper function for the SORT() command.
 static std::function<bool(InputSectionBase *, InputSectionBase *)>
 getComparator(SortSectionPolicy K) {
diff --git a/lld/ELF/ScriptParser.cpp b/lld/ELF/ScriptParser.cpp
index 72940ca..b384708 100644
--- a/lld/ELF/ScriptParser.cpp
+++ b/lld/ELF/ScriptParser.cpp
@@ -113,6 +113,12 @@
 };
 } // namespace
 
+static StringRef unquote(StringRef S) {
+  if (S.startswith("\""))
+    return S.substr(1, S.size() - 2);
+  return S;
+}
+
 static bool isUnderSysroot(StringRef Path) {
   if (Config->Sysroot == "")
     return false;
@@ -1103,6 +1109,10 @@
   expect(";");
 }
 
+static bool hasWildcard(StringRef S) {
+  return S.find_first_of("?*[") != StringRef::npos;
+}
+
 // Reads a list of symbols, e.g. "{ global: foo; bar; local: *; };".
 std::pair<std::vector<SymbolVersion>, std::vector<SymbolVersion>>
 ScriptParser::readSymbols() {
diff --git a/lld/ELF/Strings.cpp b/lld/ELF/Strings.cpp
index 2e88bfb..bca8638 100644
--- a/lld/ELF/Strings.cpp
+++ b/lld/ELF/Strings.cpp
@@ -38,29 +38,6 @@
   return false;
 }
 
-// If an input string is in the form of "foo.N" where N is a number,
-// return N. Otherwise, returns 65536, which is one greater than the
-// lowest priority.
-int elf::getPriority(StringRef S) {
-  size_t Pos = S.rfind('.');
-  if (Pos == StringRef::npos)
-    return 65536;
-  int V;
-  if (!to_integer(S.substr(Pos + 1), V, 10))
-    return 65536;
-  return V;
-}
-
-bool elf::hasWildcard(StringRef S) {
-  return S.find_first_of("?*[") != StringRef::npos;
-}
-
-StringRef elf::unquote(StringRef S) {
-  if (!S.startswith("\""))
-    return S;
-  return S.substr(1, S.size() - 2);
-}
-
 // Converts a hex string (e.g. "deadbeef") to a vector.
 std::vector<uint8_t> elf::parseHex(StringRef S) {
   std::vector<uint8_t> Hex;
diff --git a/lld/ELF/Strings.h b/lld/ELF/Strings.h
index fd1aa40..6f5b3a2 100644
--- a/lld/ELF/Strings.h
+++ b/lld/ELF/Strings.h
@@ -21,11 +21,8 @@
 namespace lld {
 namespace elf {
 
-int getPriority(StringRef S);
-bool hasWildcard(StringRef S);
 std::vector<uint8_t> parseHex(StringRef S);
 bool isValidCIdentifier(StringRef S);
-StringRef unquote(StringRef S);
 
 // This is a lazy version of StringRef. String size is computed lazily
 // when it is needed. It is more efficient than StringRef to instantiate