Simplify

src/include_complete.cc

@@ -72,20 +72,15 @@ bool TrimPath(Project *project, std::string &path) {
 }
 
 lsCompletionItem BuildCompletionItem(const std::string &path,
-                                     bool use_angle_brackets, bool is_stl) {
+                                     bool use_angle_brackets) {
   lsCompletionItem item;
   item.label = ElideLongPath(path);
   item.detail = path; // the include path, used in de-duplicating
   item.textEdit.newText = path;
   item.insertTextFormat = lsInsertTextFormat::PlainText;
   item.use_angle_brackets_ = use_angle_brackets;
-  if (is_stl) {
-    item.kind = lsCompletionItemKind::Module;
-    item.priority_ = 2;
-  } else {
-    item.kind = lsCompletionItemKind::File;
-    item.priority_ = 1;
-  }
+  item.kind = lsCompletionItemKind::File;
+  item.priority_ = 0;
   return item;
 }
 
@@ -154,8 +149,7 @@ void IncludeComplete::AddFile(const std::string &path) {
 
   std::string trimmed_path = path;
   bool use_angle_brackets = TrimPath(project_, trimmed_path);
-  lsCompletionItem item =
-      BuildCompletionItem(trimmed_path, use_angle_brackets, false /*is_stl*/);
+  lsCompletionItem item = BuildCompletionItem(trimmed_path, use_angle_brackets);
 
   std::unique_lock<std::mutex> lock(completion_items_mutex, std::defer_lock);
   if (is_scanning)
@@ -184,7 +178,7 @@ void IncludeComplete::InsertIncludesFromDirectory(std::string directory,
         CompletionCandidate candidate;
         candidate.absolute_path = directory + path;
         candidate.completion_item =
-            BuildCompletionItem(path, use_angle_brackets, false /*is_stl*/);
+            BuildCompletionItem(path, use_angle_brackets);
         results.push_back(candidate);
       });
 

src/indexer.h

@@ -7,7 +7,6 @@
 #include "maybe.h"
 #include "position.h"
 #include "serializer.h"
-#include "symbol.h"
 #include "utils.h"
 
 #include <clang/Basic/FileManager.h>

src/lsp.h

@@ -208,6 +208,14 @@ enum class lsSymbolKind : uint8_t {
 };
 MAKE_REFLECT_TYPE_PROXY(lsSymbolKind);
 
+struct lsSymbolInformation {
+  std::string_view name;
+  lsSymbolKind kind;
+  lsLocation location;
+  std::optional<std::string_view> containerName;
+};
+MAKE_REFLECT_STRUCT(lsSymbolInformation, name, kind, location, containerName);
+
 struct lsTextDocumentIdentifier {
   lsDocumentUri uri;
 };
@@ -382,3 +390,31 @@ MAKE_REFLECT_STRUCT(lsShowMessageParams, type, message);
 // encounters a c++ declaration.
 enum class LanguageId { Unknown = -1, C = 0, Cpp = 1, ObjC = 2, ObjCpp = 3 };
 MAKE_REFLECT_TYPE_PROXY(LanguageId);
+
+// The order matters. In FindSymbolsAtLocation, we want Var/Func ordered in
+// front of others.
+enum class SymbolKind : uint8_t { Invalid, File, Type, Func, Var };
+MAKE_REFLECT_TYPE_PROXY(SymbolKind);
+
+enum class Role : uint16_t {
+  None = 0,
+  Declaration = 1 << 0,
+  Definition = 1 << 1,
+  Reference = 1 << 2,
+  Read = 1 << 3,
+  Write = 1 << 4,
+  Call = 1 << 5,
+  Dynamic = 1 << 6,
+  Address = 1 << 7,
+  Implicit = 1 << 8,
+  All = (1 << 9) - 1,
+};
+MAKE_REFLECT_TYPE_PROXY(Role);
+
+inline uint16_t operator&(Role lhs, Role rhs) {
+  return uint16_t(lhs) & uint16_t(rhs);
+}
+
+inline Role operator|(Role lhs, Role rhs) {
+  return Role(uint16_t(lhs) | uint16_t(rhs));
+}

src/messages/textDocument_documentHighlight.cc

@@ -4,7 +4,6 @@
 #include "message_handler.h"
 #include "pipeline.hh"
 #include "query_utils.h"
-#include "symbol.h"
 
 #include <algorithm>
 using namespace ccls;

src/platform_posix.cc

@@ -27,78 +27,15 @@
 #include <malloc.h>
 #endif
 
+#include <llvm/ADT/SmallString.h>
+#include <llvm/Support/Path.h>
+
 #include <string>
 
-namespace {
-
-// Returns the canonicalized absolute pathname, without expanding symbolic
-// links. This is a variant of realpath(2), C++ rewrite of
-// https://github.com/freebsd/freebsd/blob/master/lib/libc/stdlib/realpath.c
-std::optional<std::string> RealPathNotExpandSymlink(std::string path) {
-  if (path.empty()) {
-    errno = EINVAL;
-    return std::nullopt;
-  }
-  if (path[0] == '\0') {
-    errno = ENOENT;
-    return std::nullopt;
-  }
-
-  // Do not use PATH_MAX because it is tricky on Linux.
-  // See https://eklitzke.org/path-max-is-tricky
-  char tmp[1024];
-  std::string resolved;
-  size_t i = 0;
-  struct stat sb;
-  if (path[0] == '/') {
-    resolved = "/";
-    i = 1;
-  } else {
-    if (!getcwd(tmp, sizeof tmp))
-      return std::nullopt;
-    resolved = tmp;
-  }
-
-  while (i < path.size()) {
-    auto j = path.find('/', i);
-    if (j == std::string::npos)
-      j = path.size();
-    auto next_token = path.substr(i, j - i);
-    i = j + 1;
-    if (resolved.back() != '/')
-      resolved += '/';
-    if (next_token.empty() || next_token == ".") {
-      // Handle consequential slashes and "."
-      continue;
-    } else if (next_token == "..") {
-      // Strip the last path component except when it is single "/"
-      if (resolved.size() > 1)
-        resolved.resize(resolved.rfind('/', resolved.size() - 2) + 1);
-      continue;
-    }
-    // Append the next path component.
-    // Here we differ from realpath(3), we use stat(2) instead of
-    // lstat(2) because we do not want to resolve symlinks.
-    resolved += next_token;
-    if (stat(resolved.c_str(), &sb) != 0)
-      return std::nullopt;
-    if (!S_ISDIR(sb.st_mode) && j < path.size()) {
-      errno = ENOTDIR;
-      return std::nullopt;
-    }
-  }
-
-  // Remove trailing slash except when a single "/".
-  if (resolved.size() > 1 && resolved.back() == '/')
-    resolved.pop_back();
-  return resolved;
-}
-
-} // namespace
-
 std::string NormalizePath(const std::string &path) {
-  std::optional<std::string> resolved = RealPathNotExpandSymlink(path);
-  return resolved ? *resolved : path;
+  llvm::SmallString<256> P(path);
+  llvm::sys::path::remove_dots(P, true);
+  return {P.data(), P.size()};
 }
 
 void FreeUnusedMemory() {

src/symbol.h

@@ -1,43 +0,0 @@
-// Copyright 2017-2018 ccls Authors
-// SPDX-License-Identifier: Apache-2.0
-
-#pragma once
-
-#include "lsp.h"
-#include "serializer.h"
-
-// The order matters. In FindSymbolsAtLocation, we want Var/Func ordered in
-// front of others.
-enum class SymbolKind : uint8_t { Invalid, File, Type, Func, Var };
-MAKE_REFLECT_TYPE_PROXY(SymbolKind);
-
-enum class Role : uint16_t {
-  None = 0,
-  Declaration = 1 << 0,
-  Definition = 1 << 1,
-  Reference = 1 << 2,
-  Read = 1 << 3,
-  Write = 1 << 4,
-  Call = 1 << 5,
-  Dynamic = 1 << 6,
-  Address = 1 << 7,
-  Implicit = 1 << 8,
-  All = (1 << 9) - 1,
-};
-MAKE_REFLECT_TYPE_PROXY(Role);
-
-inline uint16_t operator&(Role lhs, Role rhs) {
-  return uint16_t(lhs) & uint16_t(rhs);
-}
-
-inline Role operator|(Role lhs, Role rhs) {
-  return Role(uint16_t(lhs) | uint16_t(rhs));
-}
-
-struct lsSymbolInformation {
-  std::string_view name;
-  lsSymbolKind kind;
-  lsLocation location;
-  std::optional<std::string_view> containerName;
-};
-MAKE_REFLECT_STRUCT(lsSymbolInformation, name, kind, location, containerName);