ultimatepp/uppsrc/ide/clang/CurrentFile.cpp
Mirek Fidler ffee231395 .DDUMPs
2023-03-02 10:23:48 +01:00

350 lines
10 KiB
C++

#include "clang.h"
#define LLOG(x) // LOG(x)
bool current_file_parsing;
CoEvent current_file_event;
CurrentFileContext current_file;
int64 current_file_serial;
int64 current_file_done_serial;
Event<const CppFileInfo&, const Vector<Diagnostic>&> annotations_done;
CurrentFileContext autocomplete_file;
bool do_autocomplete;
bool autocomplete_macros;
Point autocomplete_pos;
int64 autocomplete_serial;
Event<const Vector<AutoCompleteItem>&> autocomplete_done;
bool delete_cfc;
struct CurrentFileClang {
CurrentFileContext parsed_file;
Clang clang;
};
static Array<CurrentFileClang> s_cf;
CurrentFileClang& GetCurrentFileClang(const String& filename)
{
for(int i = 0; i < s_cf.GetCount(); i++)
if(s_cf[i].parsed_file.filename == filename) {
s_cf.Move(i, 0); // LRU...
return s_cf[0];
}
return s_cf.GetCount() < ParsedFiles ? s_cf.Add() : s_cf.Top();
}
void CurrentFileDeleteCache()
{
delete_cfc = true;
}
void ReadAutocomplete(const CXCompletionString& string, String& name, String& signature)
{
const int chunkCount = clang_getNumCompletionChunks(string);
for(int j = 0; j < chunkCount; j++) {
const CXCompletionChunkKind chunkKind = clang_getCompletionChunkKind(string, j);
String text = FetchString(clang_getCompletionChunkText(string, j));
if(chunkKind == CXCompletionChunk_Optional)
for(unsigned i = 0; i < clang_getNumCompletionChunks(string); i++)
ReadAutocomplete(clang_getCompletionChunkCompletionString(string, i), name, signature);
else
if(chunkKind == CXCompletionChunk_TypedText) {
name = text;
signature << text;
}
else {
signature << text;
if (chunkKind == CXCompletionChunk_ResultType) {
signature << ' ';
}
}
}
}
void DoAnnotations(CurrentFileClang& cfc, int64 serial) {
{
GuiLock __;
current_file_done_serial = serial;
}
if(!cfc.clang.tu || !annotations_done) return;
ClangVisitor v;
String tpath = current_file.filename;
if(GetFileExt(tpath) == ".icpp")
tpath = ForceExt(tpath, ".cpp");
v.WhenFile = [&] (const String& path) { return path == tpath; };
v.Do(cfc.clang.tu);
CppFileInfo f;
if(v.info.GetCount()) {
f = pick(v.info[0]);
f.items.RemoveIf([&](int i) { return f.items[i].pos.y < cfc.parsed_file.line_delta; });
for(AnnotationItem& m : f.items)
m.pos.y -= cfc.parsed_file.line_delta;
f.locals.RemoveIf([&](int i) { return f.locals[i].pos.y < cfc.parsed_file.line_delta; });
for(AnnotationItem& m : f.locals)
m.pos.y -= cfc.parsed_file.line_delta;
f.refs.RemoveIf([&](int i) { return f.refs[i].pos.y < cfc.parsed_file.line_delta; });
for(ReferenceItem& m : f.refs)
m.pos.y -= cfc.parsed_file.line_delta;
}
Vector<Diagnostic> ds;
Diagnostics(cfc.clang.tu, [&](const String& filename, Point pos, const String& text, bool detail, int severity) {
Diagnostic& d = ds.Add();
d.kind = severity;
d.detail = detail;
d.path = NormalizePath(filename);
if(d.path == current_file.filename)
d.path = current_file.real_filename;
d.pos = pos;
d.pos.y -= cfc.parsed_file.line_delta;
d.text = text;
});
Ctrl::Call([&] {
if(cfc.parsed_file.filename == current_file.filename &&
cfc.parsed_file.real_filename == current_file.real_filename &&
cfc.parsed_file.includes == current_file.includes &&
serial == current_file_serial) {
annotations_done(f, ds);
FileAnnotation fa;
fa.defines = cfc.parsed_file.defines;
fa.includes = cfc.parsed_file.includes;
fa.items = pick(f.items);
fa.refs = pick(f.refs);
fa.time = Time::Low();
CodeIndex().GetAdd(NormalizePath(cfc.parsed_file.real_filename)) = pick(fa);
}
});
};
void CurrentFileThread()
{
MemoryIgnoreLeaksBlock __;
while(!Thread::IsShutdownThreads()) {
bool was_parsing;
do {
was_parsing = false;
CurrentFileContext f, af;
int64 serial;
int64 done_serial;
int64 aserial;
bool autocomplete_do;
bool del_cfc;
{ // fetch the work to do
GuiLock __;
f = current_file;
af = autocomplete_file;
serial = current_file_serial;
done_serial = current_file_done_serial;
autocomplete_do = do_autocomplete;
aserial = autocomplete_serial;
del_cfc = delete_cfc;
delete_cfc = false;
}
if(f.filename.GetCount()) {
if(del_cfc)
s_cf.Clear();
CurrentFileClang& cfc = GetCurrentFileClang(f.filename);
auto DumpDiagnostics = [&](const char *filename) {
if(AssistDiagnostics) {
FileOut out(CacheFile(filename));
Diagnostics(cfc.clang.tu, out);
}
};
String fn = f.filename;
if(!IsSourceFile(fn))
fn.Cat(".cpp");
if(GetFileExt(fn) == ".icpp")
fn = ForceExt(fn, ".cpp");
if(f.filename != cfc.parsed_file.filename || f.real_filename != cfc.parsed_file.real_filename ||
f.includes != cfc.parsed_file.includes || f.defines != cfc.parsed_file.defines ||
!cfc.clang.tu) {
cfc.parsed_file = f;
int tm = msecs();
current_file_parsing = true;
cfc.clang.iquote = GetFileFolder(f.real_filename);
cfc.clang.Parse(fn, f.content, f.includes, f.defines,
CXTranslationUnit_PrecompiledPreamble|
CXTranslationUnit_CreatePreambleOnFirstParse|
CXTranslationUnit_SkipFunctionBodies|
CXTranslationUnit_LimitSkipFunctionBodiesToPreamble|
CXTranslationUnit_DetailedPreprocessingRecord|
CXTranslationUnit_KeepGoing);
DumpDiagnostics("parse_errors");
PutAssist(String() << cfc.parsed_file.filename<< " parsed in " << msecs() - tm << " ms");
tm = msecs();
DoAnnotations(cfc, serial);
done_serial = serial;
PutAssist(String() << cfc.parsed_file.filename << " parser output processed in " << msecs() - tm << " ms");
current_file_parsing = false;
was_parsing = true;
}
if(Thread::IsShutdownThreads()) break;
if(cfc.clang.tu && autocomplete_do) {
Vector<AutoCompleteItem> item;
if(cfc.clang.tu) {
CXUnsavedFile ufile = { ~fn, ~af.content, (unsigned)af.content.GetCount() };
CXCodeCompleteResults *results;
current_file_parsing = true;
int tm = msecs();
{
MemoryIgnoreLeaksBlock __;
results = clang_codeCompleteAt(cfc.clang.tu, fn, autocomplete_pos.y, autocomplete_pos.x, &ufile, 1,
CXCodeComplete_IncludeMacros);
DumpDiagnostics("autocomplete_errors");
}
PutAssist(String() << cfc.parsed_file.filename << " autocomplete in " << msecs() - tm << " ms");
// DumpDiagnostics(cfc.clang.tu);
if(results) {
int tm = msecs();
for(unsigned i = 0; i < results->NumResults; i++) {
const CXCompletionString& string = results->Results[i].CompletionString;
int kind = results->Results[i].CursorKind;
// if(kind == CXCursor_MacroDefinition) // we probably want this only on Ctrl+Space
// continue;
if(kind == CXCursor_NotImplemented)
continue;
String name;
String pretty;
ReadAutocomplete(string, name, pretty);
AutoCompleteItem& m = item.Add();
m.name = name;
m.parent = FetchString(clang_getCompletionParent(string, NULL));
m.pretty = CleanupPretty(pretty);
m.kind = kind;
m.priority = clang_getCompletionPriority(string);
}
{
MemoryIgnoreLeaksBlock __;
clang_disposeCodeCompleteResults(results);
}
PutAssist(String() << cfc.parsed_file.filename << " autocomplete processed in " << msecs() - tm << " ms");
}
}
Ctrl::Call([&] {
if(aserial == autocomplete_serial)
autocomplete_done(item);
});
current_file_parsing = false;
GuiLock __;
do_autocomplete = false;
}
if(serial != done_serial) {
TIMESTOP("ReParse");
current_file_parsing = true;
int tm = msecs();
bool b = cfc.clang.ReParse(fn, f.content);
PutAssist(String() << cfc.parsed_file.filename << " reparsed in " << msecs() - tm << " ms");
tm = msecs();
if(b) {
DumpDiagnostics("parse_errors");
DoAnnotations(cfc, serial);
}
PutAssist(String() << cfc.parsed_file.filename << " reparsed output processed in " << msecs() - tm << " ms");
current_file_parsing = false;
was_parsing = true;
}
}
}
while(was_parsing);
current_file_event.Wait();
LLOG("Current file Thread::IsShutdownThreads() " << Thread::IsShutdownThreads());
}
s_cf.Clear();
LLOG("Current file thread exit");
}
const char sFakeBuildInfo[] =
R"(
#define bmYEAR 2022
#define bmMONTH 10
#define bmDAY 25
#define bmHOUR 19
#define bmMINUTE 18
#define bmSECOND 32
#define bmTIME Time(2022, 10, 25, 19, 18, 32)
#define bmMACHINE "DESKTOP-UGRVJFA"
#define bmUSER "cxl"
#define bmGIT_REVCOUNT "14242"
)";
void SetCurrentFile(const CurrentFileContext& ctx, Event<const CppFileInfo&, const Vector<Diagnostic>&> done)
{
if(!HasLibClang())
return;
ONCELOCK {
String path = CacheFile("fake_build_info") + "/" + "build_info.h";
RealizePath(path);
SaveChangedFile(path, sFakeBuildInfo);
MemoryIgnoreNonMainLeaks();
MemoryIgnoreNonUppThreadsLeaks(); // clangs leaks static memory in threads
Thread t;
t.StackSize(8192*1024);
t.Run([] { CurrentFileThread(); });
t.Detach();
Thread::AtShutdown([] {
LLOG("Shutdown current file");
current_file_event.Broadcast();
});
}
GuiLock __;
annotations_done = done;
current_file_serial++;
current_file = ctx;
current_file_event.Broadcast();
}
bool IsCurrentFileDirty()
{
GuiLock __;
return current_file_serial != current_file_done_serial;
}
bool IsCurrentFileParsing()
{
return current_file_parsing;
}
void CancelCurrentFile()
{
GuiLock __;
annotations_done.Clear();
}
void StartAutoComplete(const CurrentFileContext& ctx, int line, int column, bool macros,
Event<const Vector<AutoCompleteItem>&> done)
{
if(!HasLibClang())
return;
GuiLock __;
static int64 serial;
autocomplete_pos.y = line;
autocomplete_pos.x = column;
do_autocomplete = true;
autocomplete_macros = macros;
autocomplete_serial = serial++;
autocomplete_done = done;
autocomplete_file = ctx;
current_file_event.Broadcast();
}
bool IsAutocompleteParsing()
{
return do_autocomplete;
}
void CancelAutoComplete()
{
GuiLock __;
autocomplete_done.Clear();
do_autocomplete = false;
}