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RedPanda-CPP
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RedPanda-CPP/RedPandaIDE/parser/parserutils.cpp

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#include "parserutils.h"
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QDebug>
QStringList CppDirectives;
QStringList JavadocTags;
QMap<QString,SkipType> CppKeywords;
QSet<QString> CppTypeKeywords;
QSet<QString> CKeywords;
QSet<QString> STLPointers;
QSet<QString> STLContainers;
QSet<QString> STLElementMethods;
static QSet<QString> CppHeaderExts;
static QSet<QString> CppSourceExts;
void initParser()
{
CppHeaderExts.insert("h");
CppHeaderExts.insert("hpp");
CppHeaderExts.insert("rh");
CppHeaderExts.insert("hh");
CppHeaderExts.insert("hxx");
CppHeaderExts.insert("inl");
CppHeaderExts.insert("");
CppSourceExts.insert("c");
CppSourceExts.insert("cpp");
CppSourceExts.insert("cc");
CppSourceExts.insert("cxx");
CppSourceExts.insert("c++");
CppSourceExts.insert("cp");
// skip itself
CppKeywords.insert("and",SkipType::skItself);
CppKeywords.insert("and_eq",SkipType::skItself);
CppKeywords.insert("bitand",SkipType::skItself);
CppKeywords.insert("bitor",SkipType::skItself);
CppKeywords.insert("break",SkipType::skItself);
CppKeywords.insert("compl",SkipType::skItself);
CppKeywords.insert("constexpr",SkipType::skItself);
CppKeywords.insert("const_cast",SkipType::skItself);
CppKeywords.insert("continue",SkipType::skItself);
CppKeywords.insert("dynamic_cast",SkipType::skItself);
CppKeywords.insert("else",SkipType::skItself);
CppKeywords.insert("explicit",SkipType::skItself);
CppKeywords.insert("export",SkipType::skItself);
CppKeywords.insert("false",SkipType::skItself);
//CppKeywords.insert("for",SkipType::skItself);
CppKeywords.insert("mutable",SkipType::skItself);
CppKeywords.insert("noexcept",SkipType::skItself);
CppKeywords.insert("not",SkipType::skItself);
CppKeywords.insert("not_eq",SkipType::skItself);
CppKeywords.insert("nullptr",SkipType::skItself);
CppKeywords.insert("or",SkipType::skItself);
CppKeywords.insert("or_eq",SkipType::skItself);
CppKeywords.insert("register",SkipType::skItself);
CppKeywords.insert("reinterpret_cast",SkipType::skItself);
CppKeywords.insert("static_assert",SkipType::skItself);
CppKeywords.insert("static_cast",SkipType::skItself);
CppKeywords.insert("template",SkipType::skItself);
CppKeywords.insert("this",SkipType::skItself);
CppKeywords.insert("thread_local",SkipType::skItself);
CppKeywords.insert("true",SkipType::skItself);
CppKeywords.insert("typename",SkipType::skItself);
CppKeywords.insert("virtual",SkipType::skItself);
CppKeywords.insert("volatile",SkipType::skItself);
CppKeywords.insert("xor",SkipType::skItself);
CppKeywords.insert("xor_eq",SkipType::skItself);
//CppKeywords.insert("catch",SkipType::skItself);
CppKeywords.insert("do",SkipType::skItself);
CppKeywords.insert("try",SkipType::skItself);
// Skip to ;
CppKeywords.insert("delete",SkipType::skToSemicolon);
CppKeywords.insert("delete[]",SkipType::skToSemicolon);
CppKeywords.insert("goto",SkipType::skToSemicolon);
CppKeywords.insert("new",SkipType::skToSemicolon);
CppKeywords.insert("return",SkipType::skToSemicolon);
CppKeywords.insert("throw",SkipType::skToSemicolon);
// CppKeywords.insert("using",SkipType::skToSemicolon); //won't use it
// Skip to :
CppKeywords.insert("case",SkipType::skToColon);
CppKeywords.insert("default",SkipType::skToColon);
// Skip to )
CppKeywords.insert("__attribute__",SkipType::skToRightParenthesis);
CppKeywords.insert("alignas",SkipType::skToRightParenthesis); // not right
CppKeywords.insert("alignof",SkipType::skToRightParenthesis); // not right
CppKeywords.insert("decltype",SkipType::skToRightParenthesis); // not right
CppKeywords.insert("if",SkipType::skToRightParenthesis);
CppKeywords.insert("sizeof",SkipType::skToRightParenthesis);
CppKeywords.insert("switch",SkipType::skToRightParenthesis);
CppKeywords.insert("typeid",SkipType::skToRightParenthesis);
CppKeywords.insert("while",SkipType::skToRightParenthesis);
// Skip to }
CppKeywords.insert("asm",SkipType::skToRightBrace);
//CppKeywords.insert("namespace",SkipType::skToLeftBrace); // won't process it
// Skip to {
// wont handle
//Not supported yet
CppKeywords.insert("atomic_cancel",SkipType::skNone);
CppKeywords.insert("atomic_commit",SkipType::skNone);
CppKeywords.insert("atomic_noexcept",SkipType::skNone);
CppKeywords.insert("concept",SkipType::skNone);
CppKeywords.insert("consteval",SkipType::skNone);
CppKeywords.insert("constinit",SkipType::skNone);
CppKeywords.insert("co_wait",SkipType::skNone);
CppKeywords.insert("co_return",SkipType::skNone);
CppKeywords.insert("co_yield",SkipType::skNone);
CppKeywords.insert("reflexpr",SkipType::skNone);
CppKeywords.insert("requires",SkipType::skNone);
// its a type
CppKeywords.insert("auto",SkipType::skNone);
CppKeywords.insert("bool",SkipType::skNone);
CppKeywords.insert("char",SkipType::skNone);
CppKeywords.insert("char8_t",SkipType::skNone);
CppKeywords.insert("char16_t",SkipType::skNone);
CppKeywords.insert("char32_t",SkipType::skNone);
CppKeywords.insert("double",SkipType::skNone);
CppKeywords.insert("float",SkipType::skNone);
CppKeywords.insert("int",SkipType::skNone);
CppKeywords.insert("long",SkipType::skNone);
CppKeywords.insert("short",SkipType::skNone);
CppKeywords.insert("signed",SkipType::skNone);
CppKeywords.insert("unsigned",SkipType::skNone);
CppKeywords.insert("void",SkipType::skNone);
CppKeywords.insert("wchar_t",SkipType::skNone);
// type keywords
CppTypeKeywords.insert("auto");
CppTypeKeywords.insert("bool");
CppTypeKeywords.insert("char");
CppTypeKeywords.insert("char8_t");
CppTypeKeywords.insert("char16_t");
CppTypeKeywords.insert("char32_t");
CppTypeKeywords.insert("double");
CppTypeKeywords.insert("float");
CppTypeKeywords.insert("int");
CppTypeKeywords.insert("long");
CppTypeKeywords.insert("short");
//CppTypeKeywords.insert("signed");
//CppTypeKeywords.insert("unsigned");
CppTypeKeywords.insert("void");
CppTypeKeywords.insert("wchar_t");
// it's part of type info
CppKeywords.insert("const",SkipType::skNone);
CppKeywords.insert("extern",SkipType::skNone);
CppKeywords.insert("inline",SkipType::skNone);
// handled elsewhere
CppKeywords.insert("class",SkipType::skNone);
CppKeywords.insert("enum",SkipType::skNone);
CppKeywords.insert("friend",SkipType::skNone);
CppKeywords.insert("operator",SkipType::skNone);
CppKeywords.insert("private",SkipType::skNone);
CppKeywords.insert("protected",SkipType::skNone);
CppKeywords.insert("public",SkipType::skNone);
CppKeywords.insert("static",SkipType::skNone);
CppKeywords.insert("struct",SkipType::skNone);
CppKeywords.insert("typedef",SkipType::skNone);
CppKeywords.insert("union",SkipType::skNone);
// namespace
CppKeywords.insert("namespace",SkipType::skNone);
CppKeywords.insert("using",SkipType::skNone);
CppKeywords.insert("for",SkipType::skNone);
CppKeywords.insert("catch",SkipType::skNone);
// nullptr is value
CppKeywords.insert("nullptr",SkipType::skNone);
//C Keywords
CKeywords.insert("auto");
CKeywords.insert("break");
CKeywords.insert("case");
CKeywords.insert("char");
CKeywords.insert("const");
CKeywords.insert("continue");
CKeywords.insert("default");
CKeywords.insert("do");
CKeywords.insert("double");
CKeywords.insert("else");
CKeywords.insert("enum");
CKeywords.insert("extern");
CKeywords.insert("float");
CKeywords.insert("for");
CKeywords.insert("goto");
CKeywords.insert("if");
CKeywords.insert("inline");
CKeywords.insert("int");
CKeywords.insert("long");
CKeywords.insert("register");
CKeywords.insert("restrict");
CKeywords.insert("return");
CKeywords.insert("short");
CKeywords.insert("signed");
CKeywords.insert("sizeof");
CKeywords.insert("static");
CKeywords.insert("struct");
CKeywords.insert("switch");
CKeywords.insert("typedef");
CKeywords.insert("union");
CKeywords.insert("unsigned");
CKeywords.insert("void");
CKeywords.insert("volatile");
CKeywords.insert("while");
//STL Containers
STLContainers.insert("std::array");
STLContainers.insert("std::vector");
STLContainers.insert("std::deque");
STLContainers.insert("std::forward_list");
STLContainers.insert("std::list");
STLContainers.insert("std::set");
STLContainers.insert("std::map");
STLContainers.insert("std::multilist");
STLContainers.insert("std::multimap");
STLContainers.insert("std::unordered_set");
STLContainers.insert("std::unordered_map");
STLContainers.insert("std::unordered_multiset");
STLContainers.insert("std::unordered_multimap");
STLContainers.insert("std::stack");
STLContainers.insert("std::queue");
STLContainers.insert("std::priority_queue");
STLContainers.insert("std::span");
//STL element access methods
STLElementMethods.insert("at");
STLElementMethods.insert("back");
STLElementMethods.insert("front");
STLElementMethods.insert("top");
//STL pointers
STLPointers.insert("std::unique_ptr");
STLPointers.insert("std::auto_ptr");
STLPointers.insert("std::shared_ptr");
STLPointers.insert("std::weak_ptr");
STLPointers.insert("__gnu_cxx::__normal_iterator");
STLPointers.insert("std::reverse_iterator");
STLPointers.insert("std::iterator");
//C/CPP preprocessor directives
CppDirectives.append("#include");
CppDirectives.append("#if");
CppDirectives.append("#ifdef");
CppDirectives.append("#ifndef");
CppDirectives.append("#else");
CppDirectives.append("#elif");
CppDirectives.append("#endif");
CppDirectives.append("#define");
CppDirectives.append("#error");
CppDirectives.append("#pragma");
CppDirectives.append("#line");
// javadoc tags
JavadocTags.append("@author");
JavadocTags.append("@code");
JavadocTags.append("@docRoot");
JavadocTags.append("@deprecated");
JavadocTags.append("@exception");
JavadocTags.append("@inheritDoc");
JavadocTags.append("@link");
JavadocTags.append("@linkplain");
JavadocTags.append("@literal");
JavadocTags.append("@param");
JavadocTags.append("@return");
JavadocTags.append("@see");
JavadocTags.append("@serial");
JavadocTags.append("@serialData");
JavadocTags.append("@serialField");
JavadocTags.append("@since");
JavadocTags.append("@throws");
JavadocTags.append("@value");
JavadocTags.append("@version");
}
QString getHeaderFilename(const QString &relativeTo, const QString &line,
const QSet<QString>& includePaths, const QSet<QString>& projectIncludePaths) {
QString result = "";
// Handle <>
int openTokenPos = line.indexOf('<');
if (openTokenPos >= 0) {
int closeTokenPos = line.indexOf('>',openTokenPos+1);
if (closeTokenPos >=0) {
QString fileName = line.mid(openTokenPos + 1, closeTokenPos - openTokenPos - 1);
//project settings is preferred
result = getSystemHeaderFilename(fileName, projectIncludePaths);
if (result.isEmpty()) {
result = getSystemHeaderFilename(fileName, includePaths);
}
}
} else {
// Try ""
openTokenPos = line.indexOf('"');
if (openTokenPos >= 0) {
int closeTokenPos = line.indexOf('"', openTokenPos+1);
if (closeTokenPos >= 0) {
QString fileName = line.mid(openTokenPos + 1, closeTokenPos - openTokenPos - 1);
result = getLocalHeaderFilename(relativeTo, fileName);
//project settings is preferred
if (result.isEmpty()) {
result = getSystemHeaderFilename(fileName, projectIncludePaths);
}
if (result.isEmpty()) {
result = getSystemHeaderFilename(fileName, includePaths);
}
}
}
}
return result;
}
QString getLocalHeaderFilename(const QString &relativeTo, const QString &fileName)
{
QFileInfo relativeFile(relativeTo);
QDir dir = relativeFile.dir();
// Search local directory
if (dir.exists(fileName)) {
return dir.absoluteFilePath(fileName);
}
return "";
}
QString getSystemHeaderFilename(const QString &fileName, const QSet<QString>& includePaths)
{
// Search compiler include directories
for (QString path:includePaths) {
QDir dir(path);
if (dir.exists(fileName))
return dir.absoluteFilePath(fileName);
}
//not found
return "";
}
bool isSystemHeaderFile(const QString &fileName, const QSet<QString> &includePaths)
{
if (includePaths.isEmpty())
return false;
bool isFullName = false;
#ifdef Q_OS_WIN
isFullName = fileName.length()>2 && fileName[1]==':';
#else
isFullName = fileName.startsWith("\"");
#endif
if (isFullName) {
// If it's a full file name, check if its directory is an include path
QFileInfo info(fileName);
if (info.exists()) { // full file name
QDir dir = info.dir();
QString absPath = dir.absolutePath();
if (includePaths.contains(absPath))
return true;
}
} else {
//check if it's in the include dir
for (QString includePath: includePaths) {
QDir dir(includePath);
if (dir.exists(fileName))
return true;
}
}
return false;
}
bool isKeyword(const QString &word)
{
return CppKeywords.contains(word);
}
bool isHfile(const QString filename)
{
if (filename.isEmpty())
return false;
QFileInfo fileInfo(filename);
return CppHeaderExts.contains(fileInfo.suffix().toLower());
}
bool isCfile(const QString filename)
{
if (filename.isEmpty())
return false;
QFileInfo fileInfo(filename);
return CppSourceExts.contains(fileInfo.suffix().toLower());
}
PStatement CppScopes::findScopeAtLine(int line)
{
if (mScopes.isEmpty())
return PStatement();
int start = 0;
int end = mScopes.size()-1;
while (start<=end) {
int mid = (start+end)/2;
PCppScope midScope = mScopes[mid];
if (midScope->startLine == line) {
while (mid-1>=0 && (mScopes[mid-1]->startLine == line)) {
mid--;
}
return mScopes[mid]->statement;
} else if (midScope->startLine > line) {
end = mid-1;
} else {
start = mid+1;
}
}
if (end>=0)
return mScopes[end]->statement;
else
return PStatement();
}
void CppScopes::addScope(int line, PStatement scopeStatement)
{
PCppScope scope = std::make_shared<CppScope>();
scope->startLine = line;
scope->statement = scopeStatement;
mScopes.append(scope);
if (!mScopes.isEmpty() && mScopes.back()->startLine>line) {
qDebug()<<QString("Error: new scope %1 at %2 which is less that last scope %3")
.arg(scopeStatement->fullName, line,mScopes.back()->startLine>line);
}
}
PStatement CppScopes::lastScope()
{
if (mScopes.isEmpty())
return PStatement();
return mScopes.back()->statement;
}
void CppScopes::removeLastScope()
{
if (!mScopes.isEmpty())
mScopes.pop_back();
}
void CppScopes::clear()
{
mScopes.clear();
}
MemberOperatorType getOperatorType(const QString &phrase, int index)
{
MemberOperatorType result=MemberOperatorType::otOther;
if (index>=phrase.length())
return MemberOperatorType::otOther;
if (phrase[index] == '.')
return MemberOperatorType::otDot;
if (index+1>=phrase.length())
return MemberOperatorType::otOther;
if ((phrase[index] == '-') && (phrase[index+1] == '>'))
return MemberOperatorType::otArrow;
if ((phrase[index] == ':') && (phrase[index+1] == ':'))
return MemberOperatorType::otDColon;
return MemberOperatorType::otOther;
}
bool isScopeTypeKind(StatementKind kind)
{
switch(kind) {
case StatementKind::skClass:
case StatementKind::skNamespace:
case StatementKind::skFunction:
case StatementKind::skConstructor:
case StatementKind::skDestructor:
return true;
default:
return false;
}
}
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