RedPanda-CPP/RedPandaIDE/parser/parserutils.h

373 lines
11 KiB
C++

/*
* Copyright (C) 2020-2022 Roy Qu (royqh1979@gmail.com)
*
* This program 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.
*
* This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PARSER_UTILS_H
#define PARSER_UTILS_H
#include <QMap>
#include <QObject>
#include <QSet>
#include <QVector>
#include <memory>
#include <functional>
using GetFileStreamCallBack = std::function<bool (const QString&, QStringList&)>;
enum ParserLanguage {
C,
CPlusPlus,
#ifdef ENABLE_SDCC
SDCC,
#endif
};
struct CodeSnippet {
QString caption; //Name
QString prefix; //Prefix used in code suggestion
QString code; //Code body
QString desc; //Description
int section; //Section in the menu
};
using PCodeSnippet = std::shared_ptr<CodeSnippet>;
// preprocess/ macro define
struct Define {
QString name;
QString args;
QString value;
QString filename;
bool hardCoded;// if true, don't free memory (points to hard defines)
QList<bool> argUsed;
int varArgIndex;
QString formatValue; // format template to format values
};
using PDefine = std::shared_ptr<Define>;
using DefineMap = QHash<QString,PDefine>;
using PDefineMap = std::shared_ptr<DefineMap>;
enum class KeywordType {
SkipItself, // skip itself
SkipNextSemicolon, // move to ; and skip it
SkipNextColon, // move to : and skip it
SkipNextParenthesis, // move to ) and skip it
MoveToLeftBrace,// move to {
// MoveToRightBrace, // move to }
For, //for
Catch, //catch
Public, // public
Private,
Protected,
Friend,
Struct, // struct/class/enum
Enum, //enum
Inline, // inline
Namespace, //namespace
Typedef, //typedef
Using, //using
DeclType, // decltype
Operator, //operator
Concept, //concept
Requires, //requires
None, // It's a keyword but don't process here
Extern,
NotKeyword
};
//It will be used as hash key. DONT make it enum class!!!!!
enum StatementKind {
skUnknown,
skNamespace,
skNamespaceAlias,
skClass,
skPreprocessor,
skEnumType,
skEnumClassType,
skTypedef,
skConstructor,
skDestructor,
skFunction,
skVariable,
skGlobalVariable,
skLocalVariable,
skEnum,
skOperator,
skParameter,
skBlock,
skLambda,
skUserCodeSnippet, // user code template
skKeyword, // keywords
skKeywordType, //keywords for type (for color management)
skAlias
};
using StatementKindSet = QSet<StatementKind>;
enum class StatementScope {
Global,
Local,
ClassLocal
};
enum class StatementAccessibility {
None,
Private,
Protected,
Public
};
enum class MemberOperatorType {
Arrow,
Dot,
DColon,
Other
};
enum class EvalStatementKind {
Namespace,
Type,
Variable,
Literal,
Function
};
struct StatementMatchPosition{
uint16_t start;
uint16_t end;
};
enum StatementProperty {
spNone = 0x0,
spStatic = 0x0001,
spHasDefinition = 0x0002,
spInProject = 0x0004,
spInSystemHeader = 0x0008,
spInherited = 0x0010,
spVirtual = 0x0020,
spOverride = 0x0040,
spConstexpr = 0x0080,
spFunctionPointer = 0x0100,
spOperatorOverloading = 0x0200,
spDummyStatement = 0x0400
};
Q_DECLARE_FLAGS(StatementProperties, StatementProperty)
Q_DECLARE_OPERATORS_FOR_FLAGS(StatementProperties)
using PStatementMathPosition = std::shared_ptr<StatementMatchPosition>;
struct Statement;
using PStatement = std::shared_ptr<Statement>;
using StatementList = QList<PStatement>;
using PStatementList = std::shared_ptr<StatementList>;
using StatementMap = QMultiMap<QString, PStatement>;
struct Statement {
// Statement();
// ~Statement();
std::weak_ptr<Statement> parentScope; // parent class/struct/namespace scope, use weak pointer to prevent circular reference
QString type; // type "int"
QString command; // identifier/name of statement "foo"
QString args; // args "(int a,float b)"
QString value; // Used for macro defines/typedef, "100" in "#defin COUNT 100"
QString templateSpecializationParams;
StatementKind kind; // kind of statement class/variable/function/etc
StatementScope scope; // global/local/classlocal
StatementAccessibility accessibility; // protected/private/public
int line; // declaration
int definitionLine; // definition
QString fileName; // declaration
QString definitionFileName; // definition
StatementMap children; // functions can be overloaded,so we use list to save children with the same name
QSet<QString> friends; // friend class / functions
QString fullName; // fullname(including class and namespace), ClassA::foo
QSet<QString> usingList; // using namespaces
QString noNameArgs;// Args without name
QSet<QString> lambdaCaptures;
StatementProperties properties;
// fields for code completion
int usageCount; //Usage Count
uint16_t matchPosTotal; // total of matched positions
uint16_t matchPosSpan; // distance between the first match pos and the last match pos;
uint16_t firstMatchLength; // length of first match;
uint16_t caseMatched; // if match with case
QList<PStatementMathPosition> matchPositions;
// definiton line/filename is valid
bool hasDefinition() {
return properties.testFlag(StatementProperty::spHasDefinition);
}
void setHasDefinition(bool on) {
properties.setFlag(StatementProperty::spHasDefinition,on);
}
// statement in project
bool inProject() {
return properties.testFlag(StatementProperty::spInProject);
}
void setInProject(bool on) {
properties.setFlag(StatementProperty::spInProject, on);
}
// statement in system header (#include <>)
bool inSystemHeader() {
return properties.testFlag(StatementProperty::spInSystemHeader);
}
void setInSystemHeader(bool on) {
properties.setFlag(StatementProperty::spInSystemHeader, on);
}
bool isStatic() {
return properties.testFlag(StatementProperty::spStatic);
} // static function / variable
void setIsStatic(bool on) {
properties.setFlag(StatementProperty::spStatic, on);
}
bool isInherited() {
return properties.testFlag(StatementProperty::spInherited);
} // inherted member;
};
struct EvalStatement;
using PEvalStatement = std::shared_ptr<EvalStatement>;
/**
* @brief Statement for evaluation result
* Ex. (Test*)(y+1)
* it's baseStatement is the statement for y
* it's effetiveTypeStatement is Test
*/
struct EvalStatement {
QString baseType; // type "int"
QString templateParams;
EvalStatementKind kind; // namespace / type / variable / function / literal
int pointerLevel; // 0 for "int", 1 for "int *", 2 for "int **"...
QString definitionString; // std::vector<int> etc...
PStatement baseStatement; // if not literal or primitive type, the base statement
PStatement typeStatement;
PStatement effectiveTypeStatement;
public:
EvalStatement (const QString& baseType,
EvalStatementKind kind,
const PStatement& baseStatement,
const PStatement& typeStatement,
const PStatement& effectiveTypeStatement,
int pointerLevel=0,
const QString& templateParams=QString());
void assignType(const PEvalStatement& typeStatement);
};
struct UsingNamespace {
QStringList namespaces; // List['std','foo'] for using namespace std::foo;
QString filename;
int line;
bool fromHeader;
};
using PUsingNamespace = std::shared_ptr<UsingNamespace>;
struct CppScope {
int startLine;
PStatement statement;
};
using PCppScope = std::shared_ptr<CppScope>;
class CppScopes {
public:
PStatement findScopeAtLine(int line);
void addScope(int line, PStatement scopeStatement);
PStatement lastScope();
void removeLastScope();
void clear();
private:
QVector<PCppScope> mScopes;
};
struct ClassInheritanceInfo {
std::weak_ptr<Statement> derivedClass;
QString file;
QString parentClassName;
bool isGlobal;
bool isStruct;
StatementAccessibility visibility;
// QString parentClassFilename;
bool handled;
};
using PClassInheritanceInfo = std::shared_ptr<ClassInheritanceInfo>;
struct FileIncludes {
QString baseFile;
QMap<QString, bool> includeFiles; // true means the file is directly included, false means included indirectly
QStringList directIncludes; //
QSet<QString> usings; // namespaces it usings
StatementMap statements; // but we don't save temporary statements (full name as key)
StatementMap declaredStatements; // statements declared in this file (full name as key)
CppScopes scopes; // int is start line of the statement scope
QMap<int,bool> branches;
QList<std::weak_ptr<ClassInheritanceInfo>> handledInheritances;
bool isLineVisible(int line);
};
using PFileIncludes = std::shared_ptr<FileIncludes>;
extern QStringList CppDirectives;
extern QStringList JavadocTags;
extern QMap<QString,KeywordType> CppKeywords;
#ifdef ENABLE_SDCC
extern QMap<QString,KeywordType> SDCCKeywords;
extern QSet<QString> SDCCTypeKeywords;
#endif
extern QSet<QString> CppControlKeyWords;
extern QSet<QString> CKeywords;
extern QSet<QString> CppTypeKeywords;
extern QSet<QString> STLPointers;
extern QSet<QString> STLContainers;
extern QSet<QString> STLMaps;
extern QSet<QString> STLElementMethods;
extern QSet<QString> STLIterators;
extern QSet<QString> MemberOperators;
extern QSet<QString> IOManipulators;
extern QSet<QString> AutoTypes;
void initParser();
QString getHeaderFilename(const QString& relativeTo, const QString& line,
const QStringList& includePaths, const QStringList& projectIncludePaths);
QString getLocalHeaderFilename(const QString& relativeTo, const QString& fileName);
QString getSystemHeaderFilename(const QString& fileName, const QStringList& includePaths);
bool isSystemHeaderFile(const QString& fileName, const QSet<QString>& includePaths);
bool isHFile(const QString& filename);
bool isCFile(const QString& filename);
bool isCppFile(const QString& filename);
bool isCppKeyword(const QString& word);
bool isCppControlKeyword(const QString& word);
bool isScopeTypeKind(StatementKind kind);
bool isTypeKind(StatementKind kind);
MemberOperatorType getOperatorType(const QString& phrase, int index);
QStringList getOwnerExpressionAndMember(
const QStringList expression,
QString& memberOperator,
QStringList& memberExpression);
bool isMemberOperator(QString token);
StatementKind getKindOfStatement(const PStatement& statement);
#endif // PARSER_UTILS_H