Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

1 files changed, 70 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/source/Utility/UriParser.cpp b/gnu/llvm/lldb/source/Utility/UriParser.cpp
new file mode 100644
index 00000000000..b446958f2f4
--- /dev/null
+++ b/gnu/llvm/lldb/source/Utility/UriParser.cpp
@@ -0,0 +1,70 @@
+//===-- UriParser.cpp -------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Utility/UriParser.h"
+
+#include <string>
+
+#include <stdint.h>
+#include <tuple>
+
+using namespace lldb_private;
+
+// UriParser::Parse
+bool UriParser::Parse(llvm::StringRef uri, llvm::StringRef &scheme,
+                      llvm::StringRef &hostname, int &port,
+                      llvm::StringRef &path) {
+  llvm::StringRef tmp_scheme, tmp_hostname, tmp_path;
+
+  const llvm::StringRef kSchemeSep("://");
+  auto pos = uri.find(kSchemeSep);
+  if (pos == std::string::npos)
+    return false;
+
+  // Extract path.
+  tmp_scheme = uri.substr(0, pos);
+  auto host_pos = pos + kSchemeSep.size();
+  auto path_pos = uri.find('/', host_pos);
+  if (path_pos != std::string::npos)
+    tmp_path = uri.substr(path_pos);
+  else
+    tmp_path = "/";
+
+  auto host_port = uri.substr(
+      host_pos,
+      ((path_pos != std::string::npos) ? path_pos : uri.size()) - host_pos);
+
+  // Extract hostname
+  if (!host_port.empty() && host_port[0] == '[') {
+    // hostname is enclosed with square brackets.
+    pos = host_port.find(']');
+    if (pos == std::string::npos)
+      return false;
+
+    tmp_hostname = host_port.substr(1, pos - 1);
+    host_port = host_port.drop_front(pos + 1);
+    if (!host_port.empty() && !host_port.consume_front(":"))
+      return false;
+  } else {
+    std::tie(tmp_hostname, host_port) = host_port.split(':');
+  }
+
+  // Extract port
+  if (!host_port.empty()) {
+    uint16_t port_value = 0;
+    if (host_port.getAsInteger(0, port_value))
+      return false;
+    port = port_value;
+  } else
+    port = -1;
+
+  scheme = tmp_scheme;
+  hostname = tmp_hostname;
+  path = tmp_path;
+  return true;
+}