LanguageClient/ClangCodeModel: Reimplement matchers()

Don't assert when ClientRequestTask::preStartCheck() failed.

Change-Id: I157fe8fc15aa055b70823d6a54454c6eec692f88
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: David Schulz <david.schulz@qt.io>

src/plugins/clangcodemodel/clangdlocatorfilters.cpp

@@ -47,6 +47,7 @@ public:
     }
 };
 
+// TODO: Remove this class, it's used only internally by ClangGlobalSymbolFilter
 class LspWorkspaceFilter : public WorkspaceLocatorFilter
 {
 public:
@@ -81,6 +82,7 @@ public:
     }
 };
 
+// TODO: Remove this class, it's used only internally by ClangClassesFilter
 class LspClassesFilter : public WorkspaceClassLocatorFilter
 {
 public:
@@ -114,6 +116,7 @@ public:
     }
 };
 
+// TODO: Remove this class, it's used only internally by ClangFunctionsFilter
 class LspFunctionsFilter : public WorkspaceMethodLocatorFilter
 {
 public:
@@ -156,6 +159,13 @@ ClangGlobalSymbolFilter::~ClangGlobalSymbolFilter()
     delete m_lspFilter;
 }
 
+LocatorMatcherTasks ClangGlobalSymbolFilter::matchers()
+{
+    return CppEditor::cppMatchers(MatcherType::AllSymbols)
+           + LanguageClient::workspaceMatchers(MatcherType::AllSymbols,
+                             ClangModelManagerSupport::clientsForOpenProjects(), MaxResultCount);
+}
+
 void ClangGlobalSymbolFilter::prepareSearch(const QString &entry)
 {
     m_cppFilter->prepareSearch(entry);
@@ -178,6 +188,13 @@ ClangClassesFilter::ClangClassesFilter()
     setDefaultIncludedByDefault(false);
 }
 
+LocatorMatcherTasks ClangClassesFilter::matchers()
+{
+    return CppEditor::cppMatchers(MatcherType::Classes)
+           + LanguageClient::workspaceMatchers(MatcherType::Classes,
+                             ClangModelManagerSupport::clientsForOpenProjects(), MaxResultCount);
+}
+
 ClangFunctionsFilter::ClangFunctionsFilter()
     : ClangGlobalSymbolFilter(new CppFunctionsFilter, new LspFunctionsFilter)
 {
@@ -188,6 +205,13 @@ ClangFunctionsFilter::ClangFunctionsFilter()
     setDefaultIncludedByDefault(false);
 }
 
+LocatorMatcherTasks ClangFunctionsFilter::matchers()
+{
+    return CppEditor::cppMatchers(MatcherType::Functions)
+           + LanguageClient::workspaceMatchers(MatcherType::Functions,
+                             ClangModelManagerSupport::clientsForOpenProjects(), MaxResultCount);
+}
+
 class LspCurrentDocumentFilter : public DocumentLocatorFilter
 {
 public:

src/plugins/clangcodemodel/clangdlocatorfilters.h

@@ -19,6 +19,7 @@ public:
     ~ClangGlobalSymbolFilter() override;
 
 private:
+    Core::LocatorMatcherTasks matchers() override;
     void prepareSearch(const QString &entry) override;
     QList<Core::LocatorFilterEntry> matchesFor(QFutureInterface<Core::LocatorFilterEntry> &future,
                                                const QString &entry) override;
@@ -26,16 +27,24 @@ private:
     Core::ILocatorFilter * const m_lspFilter;
 };
 
+// TODO: Don't derive, flatten the hierarchy
 class ClangClassesFilter : public ClangGlobalSymbolFilter
 {
 public:
     ClangClassesFilter();
+
+private:
+    Core::LocatorMatcherTasks matchers() final;
 };
 
+// TODO: Don't derive, flatten the hierarchy
 class ClangFunctionsFilter : public ClangGlobalSymbolFilter
 {
 public:
     ClangFunctionsFilter();
+
+private:
+    Core::LocatorMatcherTasks matchers() final;
 };
 
 class ClangdCurrentDocumentFilter : public Core::ILocatorFilter