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RTags.cpp
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/* This file is part of RTags (http://rtags.net).
RTags is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
RTags is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with RTags. If not, see <http://www.gnu.org/licenses/>. */
#include "RTags.h"
#include <dirent.h>
#include <fcntl.h>
#include <fnmatch.h>
#include <sys/types.h>
#ifdef OS_FreeBSD
#include <sys/sysctl.h>
#endif
#ifdef OS_Darwin
#include <mach-o/dyld.h>
#endif
#include "IndexDataMessage.h"
#include "LogOutputMessage.h"
#include "QueryMessage.h"
#include "rct/Rct.h"
#include "rct/Connection.h"
#include "rct/StopWatch.h"
#include "Server.h"
#include "ClangIndexer.h"
#include "Project.h"
#include "VisitFileMessage.h"
#include "VisitFileResponseMessage.h"
#include "RTagsVersion.h"
#include <clang-c/CXCompilationDatabase.h>
namespace RTags {
String versionString()
{
return String::format<64>("%d.%d.%d", MajorVersion, MinorVersion, DatabaseVersion);
}
void encodePath(Path &path)
{
Sandbox::encode(path);
int size = path.size();
for (int i=0; i<size; ++i) {
char &ch = path[i];
switch (ch) {
case '/':
ch = '_';
break;
case '_':
path.insert(++i, '_');
++size;
break;
}
}
}
void decodePath(Path &path)
{
if (Sandbox::decode(path))
return;
int i = 0;
int size = path.size();
while (i < size) {
char &ch = path[i];
if (ch == '_') {
if (i + 1 < size && path.at(i + 1) == '_') {
path.remove(i + 1, 1);
--size;
} else {
ch = '/';
}
}
++i;
}
}
Path encodeSourceFilePath(const Path &dataDir, const Path &project, uint32_t fileId)
{
String str = dataDir;
Path p = project;
encodePath(p);
str << p << '/';
if (fileId)
str << fileId << '/';
return str;
}
Path findAncestor(const Path& path, const String &fn, Flags<FindAncestorFlag> flags, SourceCache *cache)
{
Path *cacheResult = 0;
if (cache) {
const Path parent = path.parentDir();
cacheResult = &cache->ancestorCache[parent][SourceCache::AncestorCacheKey { fn, flags }];
if (!cacheResult->isEmpty()) {
return *cacheResult;
}
}
Path ret;
char buf[PATH_MAX + sizeof(dirent) + 1];
int slash = path.size();
const int len = fn.size() + 1;
struct stat st;
memcpy(buf, path.constData(), path.size() + 1);
while ((slash = path.lastIndexOf('/', slash - 1)) > 0) { // We don't want to search in /
if (!(flags & Wildcard)) {
memcpy(buf + slash + 1, fn.constData(), len);
if (!stat(buf, &st)) {
buf[slash + 1] = '\0';
ret = buf;
if (flags & Shallow) {
break;
}
}
} else {
buf[slash + 1] = '\0';
DIR *dir = opendir(buf);
bool found = false;
if (dir) {
while (dirent *entry = readdir(dir)) {
const int l = strlen(entry->d_name) + 1;
switch (l - 1) {
case 1:
if (entry->d_name[0] == '.')
continue;
break;
case 2:
if (entry->d_name[0] == '.' && entry->d_name[1] == '.')
continue;
break;
}
assert(buf[slash] == '/');
assert(l + slash + 1 < static_cast<int>(sizeof(buf)));
memcpy(buf + slash + 1, entry->d_name, l);
if (!fnmatch(fn.constData(), buf, 0)) {
ret = buf;
ret.truncate(slash + 1);
found = true;
break;
}
}
closedir(dir);
}
if (found && flags & Shallow)
break;
}
}
ret = ret.ensureTrailingSlash();
if (cacheResult) {
*cacheResult = ret;
}
return ret;
}
Map<String, String> rtagsConfig(const Path &path, SourceCache *cache)
{
Path dir = path.isDir() ? path : path.parentDir();
Map<String, String> ret;
char buf[1024];
while (dir.size() > 1) {
assert(dir.endsWith('/'));
if (cache) {
auto it = cache->rtagsConfigCache.find(dir);
if (it != cache->rtagsConfigCache.end()) {
for (const auto &entry : it->second) {
auto &ref = ret[entry.first];
if (ref.isEmpty())
ref = entry.second;
}
dir = dir.parentDir();
continue;
}
}
Map<String, String> *cacheEntry = 0;
if (cache) {
cacheEntry = &cache->rtagsConfigCache[dir];
// we want to cache empty entries
}
snprintf(buf, sizeof(buf), "%s.rtags-config", dir.constData());
if (FILE *f = fopen(buf, "r")) {
while ((fgets(buf, sizeof(buf), f))) {
int len = strlen(buf);
while (len > 0 && isspace(buf[len - 1]))
--len;
if (len) {
buf[len] = '\0';
String key;
char *colon = strchr(buf, ':');
char *value = 0;
if (colon) {
key.assign(buf, colon - buf);
value = colon + 1;
while (isspace(*value))
++value;
} else {
key.assign(buf, len);
}
if (!key.isEmpty()) {
if (!ret.contains(key))
ret[key] = value;
if (cacheEntry)
(*cacheEntry)[key] = value;
}
}
}
fclose(f);
}
dir = dir.parentDir();
}
return ret;
}
struct Entry {
const char *name;
const Flags<FindAncestorFlag> flags;
};
static inline Path checkEntries(const Entry *entries, const Path &path, const Path &home, SourceCache *cache)
{
Path best;
for (int i=0; entries[i].name; ++i) {
Path p = findAncestor(path, entries[i].name, entries[i].flags, cache);
if ((p.isEmpty() || p == home) && (entries[i].flags & Wildcard)) {
const int len = strlen(entries[i].name);
if (entries[i].name[len - 1] == '*') {
const String name(entries[i].name, len - 1);
p = findAncestor(path, name.constData(), entries[i].flags & ~Wildcard, cache);
}
}
if (p.isEmpty() || p == home)
continue;
if (entries[i].flags & Authoritative) {
best = p;
break;
} else if (best.isEmpty() || p.size() < best.size()) {
best = p;
}
}
return best;
}
Path findProjectRoot(const Path &path, ProjectRootMode mode, SourceCache *cache)
{
if (path == "-")
return Path();
if (!path.isAbsolute())
error() << "GOT BAD PATH" << path;
assert(path.isAbsolute());
const Map<String, String> config = rtagsConfig(path, cache);
{
const Path project = config.value("project");
if (!project.isEmpty() && project.isDir())
return project.ensureTrailingSlash();
}
Path ret;
static const Path home = Path::home();
if (mode == SourceRoot) {
const Entry before[] = {
{ ".projectile", Authoritative },
{ ".git", Flags<FindAncestorFlag>() },
{ ".hg", Flags<FindAncestorFlag>() },
{ ".svn", Flags<FindAncestorFlag>() },
{ ".fslckout", Flags<FindAncestorFlag>() },
{ "_FOSSIL_", Flags<FindAncestorFlag>() },
{ "_darcs_", Flags<FindAncestorFlag>() },
{ ".bzr", Flags<FindAncestorFlag>() },
{ ".tup", Flags<FindAncestorFlag>() },
{ "GTAGS", Flags<FindAncestorFlag>() },
{ "TAGS", Flags<FindAncestorFlag>() },
{ "configure", Flags<FindAncestorFlag>() },
{ "CMakeLists.txt", Flags<FindAncestorFlag>() },
{ "*.pro", Wildcard },
{ "scons.1", Flags<FindAncestorFlag>() },
{ "*.scons", Wildcard },
{ "SConstruct", Flags<FindAncestorFlag>() },
{ "autogen.*", Wildcard },
{ "GNUMakefile*", Wildcard },
{ "INSTALL*", Wildcard },
{ "README*", Wildcard },
{ 0, Flags<FindAncestorFlag>() }
};
{
const Path e = checkEntries(before, path, home, cache);
if (!e.isEmpty() && (e.size() < ret.size() || ret.isEmpty()))
ret = e;
}
}
if (!ret.isEmpty())
return ret;
{
const Path configStatus = findAncestor(path, "config.status", Flags<FindAncestorFlag>(), cache);
if (!configStatus.isEmpty()) {
if (mode == BuildRoot)
return configStatus;
FILE *f = fopen((configStatus + "config.status").constData(), "r");
if (f) {
char line[1024];
enum { MaxLines = 10 };
for (int i=0; i<MaxLines; ++i) {
int r = Rct::readLine(f, line, sizeof(line));
if (r == -1)
break;
char *configure = strstr(line, "/configure ");
if (configure) {
char *end = configure + 10;
while (--configure >= line) {
Path conf(configure, end - configure);
if (!conf.isAbsolute())
conf.resolve();
if (conf.isFile()) {
ret = conf.parentDir();
if (ret == home)
ret.clear();
break;
}
}
}
if (!ret.isEmpty())
break;
}
fclose(f);
if (!ret.isEmpty())
return ret;
}
}
}
{
const Path cmakeCache = findAncestor(path, "CMakeCache.txt", Flags<FindAncestorFlag>(), cache);
if (!cmakeCache.isEmpty()) {
if (mode == BuildRoot)
return cmakeCache;
FILE *f = fopen((cmakeCache + "Makefile").constData(), "r");
bool makefile = true;
if (!f) {
f = fopen((cmakeCache + "build.ninja").constData(), "r");
makefile = false;
}
if (f) {
char line[1024];
enum { MaxLines = 256 };
for (int i=0; i<MaxLines; ++i) {
int r = Rct::readLine(f, line, sizeof(line));
if (r == -1) {
break;
}
if (makefile) {
if (!strncmp(line, "CMAKE_SOURCE_DIR", 16)) {
char *dir = line + 16;
while (*dir && (*dir == ' ' || *dir == '='))
++dir;
if (dir != home) {
ret = dir;
ret += '/';
if (!Path(ret + "CMakeLists.txt").isFile())
ret.clear();
}
break;
}
} else if (!strncmp(line, "# Write statements declared in CMakeLists.txt:", 46)) {
r = Rct::readLine(f, line, sizeof(line));
++i;
if (r != -1) {
ret = line + 2;
if (ret.exists()) {
ret = ret.parentDir();
break;
} else {
ret.clear();
}
}
}
}
fclose(f);
if (!ret.isEmpty())
return ret;
}
}
}
const Entry after[] = {
{ "build.ninja", Flags<FindAncestorFlag>() },
{ "Makefile*", Wildcard },
{ "compile_commands.json", Flags<FindAncestorFlag>() },
{ 0, Flags<FindAncestorFlag>() }
};
{
const Path e = checkEntries(after, path, home, cache);
if (!e.isEmpty() && (e.size() < ret.size() || ret.isEmpty()))
ret = e;
}
if (!ret.isEmpty())
return ret;
if (mode == BuildRoot)
return findProjectRoot(path, SourceRoot, cache);
return Path();
}
void initMessages()
{
Message::registerMessage<IndexMessage>();
Message::registerMessage<IndexDataMessage>();
Message::registerMessage<LogOutputMessage>();
Message::registerMessage<QueryMessage>();
Message::registerMessage<VisitFileMessage>();
Message::registerMessage<VisitFileResponseMessage>();
}
String eatString(CXString str)
{
const String ret(clang_getCString(str));
clang_disposeString(str);
return ret;
}
String cursorToString(CXCursor cursor, const Flags<CursorToStringFlags> flags)
{
const CXCursorKind kind = clang_getCursorKind(cursor);
String ret;
ret.reserve(256);
ret += eatString(clang_getCursorKindSpelling(kind));
if (clang_isInvalid(kind))
return ret;
switch (RTags::cursorType(kind)) {
case Type_Reference:
ret += " ref";
break;
case Type_Cursor:
ret += " cursor";
break;
case Type_Other:
ret += " other";
break;
case Type_Statement:
ret += " statement";
break;
case Type_Include:
ret += " include";
break;
case Type_Literal:
ret += " literal";
break;
}
const String name = eatString(clang_getCursorDisplayName(cursor));
const String other = eatString(clang_getCursorSpelling(cursor));
if (!name.isEmpty())
ret += " " + name;
if (other != name && !other.isEmpty())
ret += " " + other;
if (clang_isCursorDefinition(cursor))
ret += " def";
if (flags & IncludeUSR) {
const String usr = eatString(clang_getCursorUSR(clang_getCanonicalCursor(cursor)));
if (!usr.isEmpty()) {
ret += " " + usr;
}
}
if (flags & IncludeSpecializedUsr) {
const CXCursor general = clang_getSpecializedCursorTemplate(cursor);
if (!clang_Cursor_isNull(general)) {
const String usr = eatString(clang_getCursorUSR(clang_getCanonicalCursor(general)));
if (!usr.isEmpty()) {
ret += " " + usr;
}
}
}
CXString file;
unsigned int line, col;
for (int pieceIndex = 0; true; ++pieceIndex) {
CXSourceRange range = clang_Cursor_getSpellingNameRange(cursor, pieceIndex, 0);
if (clang_Range_isNull(range))
break;
CXSourceLocation rangeStart = clang_getRangeStart(range);
clang_getPresumedLocation(rangeStart, &file, &line, &col);
const char *data = clang_getCString(file);
if (data && *data) {
ret += ' ';
ret += data;
ret += ':';
ret += String::number(line);
ret += ':';
ret += String::number(col);
}
clang_disposeString(file);
}
return ret;
}
std::shared_ptr<TranslationUnit> TranslationUnit::load(const Path &path)
{
auto ret = std::make_shared<TranslationUnit>();
ret->index = clang_createIndex(0, false);
#if CINDEX_VERSION_MINOR >= 23
CXErrorCode error = clang_createTranslationUnit2(ret->index, path.constData(), &ret->unit);
if (error != CXError_Success) {
ret.reset();
::error() << "Failed to load" << path << error << path.exists();
}
#else
ret->unit = clang_createTranslationUnit(ret->index, path.constData());
if (!ret->unit) {
ret.reset();
::error() << "Failed to load" << path << path.exists();
}
#endif
return ret;
}
std::shared_ptr<TranslationUnit> TranslationUnit::create(const Path &sourceFile, const List<String> &args,
CXUnsavedFile *unsaved, int unsavedCount,
Flags<CXTranslationUnit_Flags> translationUnitFlags,
bool displayDiagnostics)
{
auto ret = std::make_shared<TranslationUnit>();
ret->clangLine = "clang ";
ret->index = clang_createIndex(0, displayDiagnostics);
int idx = 0;
List<const char*> clangArgs(args.size() + 2, 0);
const int count = args.size();
for (int j=0; j<count; ++j) {
clangArgs[idx++] = args.at(j).constData();
String arg = args.at(j);
arg.replace("\"", "\\\"");
ret->clangLine += '"' + arg + '"';
ret->clangLine += ' ';
}
// clangArgs[idx++] = "-disable-free";
// clangArgs[idx++] = "-disable-llvm-verifier";
ret->clangLine += sourceFile;
// StopWatch sw;
#if CINDEX_VERSION_MINOR >= 23
for (int i=0; i<3; ++i) {
auto error = clang_parseTranslationUnit2(ret->index, sourceFile.constData(),
clangArgs.data(), idx, unsaved, unsavedCount,
translationUnitFlags.cast<unsigned int>(), &ret->unit);
if (error != CXError_Crashed)
break;
usleep(100000);
}
#else
ret->unit = clang_parseTranslationUnit(ret->index, sourceFile.constData(),
clangArgs.data(), idx, unsaved, unsavedCount,
translationUnitFlags.cast<unsigned int>());
#endif
// error() << sourceFile << sw.elapsed();
return ret;
}
bool TranslationUnit::reparse(CXUnsavedFile *unsaved, int unsavedCount)
{
assert(unit);
const int ret = clang_reparseTranslationUnit(unit, unsavedCount, unsaved, clang_defaultReparseOptions(unit));
if (ret) {
clang_disposeTranslationUnit(unit);
unit = 0;
return false;
}
return true;
}
#if 1
struct No
{
template<typename T>
No &operator<<(const T &) { return *this; }
};
#define l() No()
#else
#define l() error()
#endif
bool resolveAuto(const CXCursor &cursor, Auto *a)
{
CXType type = clang_getCursorType(cursor);
while (type.kind == CXType_Pointer)
type = clang_getPointeeType(type);
if (
#if CINDEX_VERSION >= CINDEX_VERSION_ENCODE(0, 32)
type.kind != CXType_Auto
#else
type.kind != CXType_Unexposed || RTags::eatString(clang_getTypeSpelling(type)) != "auto"
#endif
) {
return false;
}
if (a) {
a->type = clang_getCanonicalType(type);
a->cursor = clang_getTypeDeclaration(a->type);
}
return true;
}
#undef l
static inline Diagnostic::Flag convertDiagnosticType(CXDiagnosticSeverity sev)
{
Diagnostic::Flag type = Diagnostic::None;
switch (sev) {
case CXDiagnostic_Warning:
type = Diagnostic::Warning;
break;
case CXDiagnostic_Error:
case CXDiagnostic_Fatal:
type = Diagnostic::Error;
break;
case CXDiagnostic_Note:
type = Diagnostic::Note;
break;
default:
break;
}
return type;
}
static inline bool compareFile(CXFile l, CXFile r)
{
CXString fnl = clang_getFileName(l);
CXString fnr = clang_getFileName(r);
const char *cstrl = clang_getCString(fnl);
const char *cstrr = clang_getCString(fnr);
bool ret = false;
if (cstrl && cstrr && !strcmp(cstrl, cstrr)) {
ret = true;
}
clang_disposeString(fnl);
clang_disposeString(fnr);
return ret;
}
void DiagnosticsProvider::diagnose()
{
const uint32_t sourceFile = sourceFileId();
std::function<void(uint32_t, CXDiagnostic, Diagnostics &, Flags<Diagnostic::Flag>)> process;
process = [&](uint32_t u, CXDiagnostic d, Diagnostics &m, Flags<Diagnostic::Flag> flags) {
flags |= convertDiagnosticType(clang_getDiagnosticSeverity(d));
if ((flags & Diagnostic::Type_Mask) != Diagnostic::None) {
const CXSourceLocation diagLoc = clang_getDiagnosticLocation(d);
Location location = createLocation(diagLoc, 0);
const uint32_t fileId = location.fileId();
int length = -1;
Map<Location, int> ranges;
const unsigned int rangeCount = clang_getDiagnosticNumRanges(d);
bool first = true;
for (unsigned int rangePos = 0; rangePos < rangeCount; ++rangePos) {
const CXSourceRange range = clang_getDiagnosticRange(d, rangePos);
const CXSourceLocation start = clang_getRangeStart(range);
const CXSourceLocation end = clang_getRangeEnd(range);
unsigned int startOffset, endOffset;
clang_getSpellingLocation(start, 0, 0, 0, &startOffset);
clang_getSpellingLocation(end, 0, 0, 0, &endOffset);
if (startOffset && endOffset) {
unsigned int line, column;
clang_getSpellingLocation(start, 0, &line, &column, 0);
const Location l(fileId, line, column);
if (first) {
first = false;
location = l;
length = endOffset - startOffset;
} else {
ranges[l] = endOffset - startOffset;
}
}
}
String message;
if (flags & Diagnostic::DisplayCategory)
message << RTags::eatString(clang_getDiagnosticCategoryText(d));
if (!message.isEmpty())
message << ": ";
message << RTags::eatString(clang_getDiagnosticSpelling(d));
const String option = RTags::eatString(clang_getDiagnosticOption(d, 0));
if (!option.isEmpty()) {
message << ": " << option;
}
Diagnostic &diagnostic = m[location];
diagnostic.flags = flags;
diagnostic.message = std::move(message);
diagnostic.ranges = std::move(ranges);
diagnostic.length = length;
diagnostic.sourceFileId = sourceFile;
if (CXDiagnosticSet children = clang_getChildDiagnostics(d)) {
const unsigned int childCount = clang_getNumDiagnosticsInSet(children);
for (unsigned j=0; j<childCount; ++j) {
process(u, clang_getDiagnosticInSet(children, j), diagnostic.children, NullFlags);
}
clang_disposeDiagnosticSet(children);
}
}
};
IndexDataMessage &indexData = indexDataMessage();
const size_t numUnits = unitCount();
#if CINDEX_VERSION >= CINDEX_VERSION_ENCODE(0, 21)
List<Diagnostics> skipped;
if (numUnits > 1)
skipped.resize(numUnits);
#endif
for (size_t u=0; u<numUnits; ++u) {
List<String> compilationErrors;
const size_t diagCount = diagnosticCount(u);
for (size_t j=0; j<diagCount; ++j) {
CXDiagnostic diag = diagnostic(u, j);
const CXSourceLocation diagLoc = clang_getDiagnosticLocation(diag);
const uint32_t fileId = createLocation(diagLoc, 0).fileId();
if (!fileId) {
clang_disposeDiagnostic(diag);
// error() << "Couldn't get location for diagnostics" << clang_getCursor(tu, diagLoc) << fileId << mSource.fileId
// << clang_getDiagnosticSeverity(diagnostic);
continue;
}
const CXDiagnosticSeverity sev = clang_getDiagnosticSeverity(diag);
// error() << "Got a dude" << clang_getCursor(tu, diagLoc) << fileId << mSource.fileId
// << sev << CXDiagnostic_Error;
const CXCursor cursor = cursorAt(u, diagLoc);
const bool inclusionError = clang_getCursorKind(cursor) == CXCursor_InclusionDirective;
if (inclusionError)
indexData.setFlag(IndexDataMessage::InclusionError);
assert(fileId);
Flags<IndexDataMessage::FileFlag> &fileFlags = indexData.files()[fileId];
if (fileId != sourceFile && !inclusionError && sev >= CXDiagnostic_Error && !(fileFlags & IndexDataMessage::HeaderError)) {
// We don't treat inclusions or code inside a macro expansion as a
// header error
CXFile expFile, spellingFile;
unsigned expLine, expColumn, spellingLine, spellingColumn;
clang_getExpansionLocation(diagLoc, &expFile, &expLine, &expColumn, 0);
clang_getSpellingLocation(diagLoc, &spellingFile, &spellingLine, &spellingColumn, 0);
if (expLine == spellingLine && expColumn == spellingColumn && compareFile(expFile, spellingFile))
fileFlags |= IndexDataMessage::HeaderError;
}
bool templateOnly = false;
{
Flags<Diagnostic::Flag> f = Diagnostic::DisplayCategory;
if (!(fileFlags & IndexDataMessage::Visited)) {
templateOnly = true;
f |= Diagnostic::TemplateOnly;
}
process(u, diag, indexData.diagnostics(), f);
}
// logDirect(RTags::DiagnosticsLevel, message.constData());
const unsigned int fixItCount = clang_getDiagnosticNumFixIts(diag);
for (unsigned int f=0; f<fixItCount; ++f) {
CXSourceRange range;
const CXStringScope stringScope = clang_getDiagnosticFixIt(diag, f, &range);
CXSourceLocation start = clang_getRangeStart(range);
unsigned int line, column;
CXFile file;
clang_getSpellingLocation(start, &file, &line, &column, 0);
if (!file)
continue;
CXStringScope fileName(clang_getFileName(file));
const Location loc = createLocation(clang_getCString(fileName), line, column);
if (indexData.files().value(loc.fileId()) & IndexDataMessage::Visited) {
unsigned int startOffset, endOffset;
CXSourceLocation end = clang_getRangeEnd(range);
clang_getSpellingLocation(start, 0, 0, 0, &startOffset);
clang_getSpellingLocation(end, 0, 0, 0, &endOffset);
const char *string = clang_getCString(stringScope);
assert(string);
if (!*string) {
error("Fixit for %s Remove %d character%s",
loc.toString().constData(), endOffset - startOffset,
endOffset - startOffset > 1 ? "s" : "");
} else if (endOffset == startOffset) {
error("Fixit for %s Insert \"%s\"",
loc.toString().constData(), string);
} else {
error("Fixit for %s Replace %d character%s with \"%s\"",
loc.toString().constData(), endOffset - startOffset,
endOffset - startOffset > 1 ? "s" : "", string);
}
Diagnostic &entry = indexData.diagnostics()[Location(loc.fileId(), line, column)];
entry.flags = Diagnostic::Fixit;
if (templateOnly)
entry.flags |= Diagnostic::TemplateOnly;
entry.sourceFileId = sourceFile;
if (entry.message.isEmpty()) {
entry.message = String::format<64>("did you mean '%s'?", string);
}
entry.length = endOffset - startOffset;
indexData.fixIts()[loc.fileId()].insert(FixIt(line, column, endOffset - startOffset, string));
}
}
clang_disposeDiagnostic(diag);
}
#if CINDEX_VERSION >= CINDEX_VERSION_ENCODE(0, 21)
Diagnostics &diags = numUnits > 1 ? skipped[u] : indexData.diagnostics();
for (const auto &it : indexData.files()) {
if (it.second & IndexDataMessage::Visited) {
const Location loc(it.first, 0, 0);
const Path path = loc.path();
CXFile file = getFile(u, path.constData());
if (file) {
CXSourceRangeList *s = clang_getSkippedRanges(unit(u), file);
if (s) {
const unsigned int count = s->count;
for (unsigned int j=0; j<count; ++j) {
CXSourceLocation start = clang_getRangeStart(s->ranges[j]);
unsigned int line, column, startOffset, endOffset;
clang_getSpellingLocation(start, 0, &line, &column, &startOffset);
Diagnostic &entry = diags[Location(loc.fileId(), line, column)];
entry.sourceFileId = sourceFile;
CXSourceLocation end = clang_getRangeEnd(s->ranges[j]);
clang_getSpellingLocation(end, 0, 0, 0, &endOffset);
entry.flags = Diagnostic::Skipped;
entry.length = endOffset - startOffset;
// error() << line << column << startOffset << endOffset;
}
clang_disposeSourceRangeList(s);
}
}
}
}
#endif
}
#if CINDEX_VERSION >= CINDEX_VERSION_ENCODE(0, 21)
if (numUnits > 1) {
Diagnostics &target = indexData.diagnostics();
for (auto it = skipped[0].begin(); it != skipped[0].end(); ++it) {
bool ok = true;
for (size_t u=1; u<numUnits; ++u) {
if (skipped[u].value(it->first) != it->second) {
ok = false;
break;
}
}
if (ok) {
Diagnostic &diag = target[it->first];
if (diag.type() != Diagnostic::None)
diag = std::move(it->second);
}
}
}
#endif
#if 0
for (const auto &it : indexData.files()) {
if (it.second & IndexDataMessage::Visited) {
const Location loc(it.first, 0, 0);
const Map<Location, Diagnostic>::const_iterator x = indexData.diagnostics().lower_bound(loc);
if (x == indexData.diagnostics().end() || x->first.fileId() != it.first) {
indexData.diagnostics()[loc] = Diagnostic();
}
}
}
#endif
}
Location DiagnosticsProvider::createLocation(const CXCursor &cursor, CXCursorKind kind, bool *blocked, unsigned *offset)
{
if (kind == CXCursor_FirstInvalid)
kind = clang_getCursorKind(cursor);
CXSourceLocation location;
if (clang_isStatement(kind)) {
location = clang_getCursorLocation(cursor);
} else {
CXSourceRange range = clang_Cursor_getSpellingNameRange(cursor, 0, 0);
location = clang_getRangeStart(range);
}
if (!location)
return Location();
return createLocation(location, blocked, offset);
}
static CXChildVisitResult findFirstChildVisitor(CXCursor cursor, CXCursor, CXClientData data)
{
*reinterpret_cast<CXCursor*>(data) = cursor;
return CXChildVisit_Break;
}
CXCursor findFirstChild(CXCursor parent)
{
CXCursor ret = clang_getNullCursor();
if (!clang_isInvalid(clang_getCursorKind(parent)))
clang_visitChildren(parent, findFirstChildVisitor, &ret);
return ret;
}
struct FindChildVisitor
{
CXCursorKind kind;
String name;
CXCursor cursor;
};
static CXChildVisitResult findChildVisitor(CXCursor cursor, CXCursor, CXClientData data)
{
FindChildVisitor *u = reinterpret_cast<FindChildVisitor*>(data);
if (u->name.isEmpty()) {
if (clang_getCursorKind(cursor) == u->kind) {
u->cursor = cursor;
return CXChildVisit_Break;
}
} else {
CXStringScope str = clang_getCursorSpelling(cursor);
if (str.data() && u->name == str.data()) {
u->cursor = cursor;
return CXChildVisit_Break;
}
}
return CXChildVisit_Continue;
}
CXCursor findChild(CXCursor parent, CXCursorKind kind)
{
FindChildVisitor u = { kind, String(), clang_getNullCursor() };
if (!clang_isInvalid(clang_getCursorKind(parent)))
clang_visitChildren(parent, findChildVisitor, &u);
return u.cursor;
}
CXCursor findChild(CXCursor parent, const String &name)
{
FindChildVisitor u = { CXCursor_FirstInvalid, name, clang_getNullCursor() };
if (!clang_isInvalid(clang_getCursorKind(parent)))
clang_visitChildren(parent, findChildVisitor, &u);
return u.cursor;
}
struct ChildrenVisitor
{
const Filter ∈
const Filter &out;
List<CXCursor> children;
};
static CXChildVisitResult childrenVisitor(CXCursor cursor, CXCursor, CXClientData data)
{
ChildrenVisitor *u = reinterpret_cast<ChildrenVisitor*>(data);
if ((u->out.isNull() || !u->out.match(cursor)) && (u->in.isNull() || u->in.match(cursor))) {
u->children.append(cursor);
}
return CXChildVisit_Continue;
}
List<CXCursor> children(CXCursor parent, const Filter &in, const Filter &out)
{
ChildrenVisitor userData = { in, out, List<CXCursor>() };
if (!clang_isInvalid(clang_getCursorKind(parent)))
clang_visitChildren(parent, childrenVisitor, &userData);
return userData.children;
}
struct FindChainVisitor
{
const List<CXCursorKind> &kinds;
List<CXCursor> ret;
};
static CXChildVisitResult findChainVisitor(CXCursor cursor, CXCursor, CXClientData data)
{