370 lines
11 KiB
C++
370 lines
11 KiB
C++
/*
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* Copyright (C) 2020-2022 Roy Qu (royqh1979@gmail.com)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef PARSER_UTILS_H
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#define PARSER_UTILS_H
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#include <QMap>
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#include <QObject>
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#include <QSet>
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#include <QVector>
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#include <memory>
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#include <functional>
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using GetFileStreamCallBack = std::function<bool (const QString&, QStringList&)>;
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enum ParserLanguage {
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C,
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CPlusPlus,
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#ifdef ENABLE_SDCC
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SDCC,
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#endif
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};
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struct CodeSnippet {
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QString caption; //Name
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QString prefix; //Prefix used in code suggestion
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QString code; //Code body
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QString desc; //Description
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int section; //Section in the menu
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};
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using PCodeSnippet = std::shared_ptr<CodeSnippet>;
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// preprocess/ macro define
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struct Define {
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QString name;
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QString args;
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QString value;
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QString filename;
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bool hardCoded;// if true, don't free memory (points to hard defines)
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QList<bool> argUsed;
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int varArgIndex;
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QString formatValue; // format template to format values
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};
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using PDefine = std::shared_ptr<Define>;
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using DefineMap = QHash<QString,PDefine>;
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using PDefineMap = std::shared_ptr<DefineMap>;
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enum class KeywordType {
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SkipItself, // skip itself
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SkipNextSemicolon, // move to ; and skip it
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SkipNextColon, // move to : and skip it
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SkipNextParenthesis, // move to ) and skip it
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MoveToLeftBrace,// move to {
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// MoveToRightBrace, // move to }
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For, //for
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Catch, //catch
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Public, // public
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Private,
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Protected,
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Friend,
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Struct, // struct/class/enum
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Enum, //enum
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Inline, // inline
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Namespace, //namespace
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Typedef, //typedef
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Using, //using
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DeclType, // decltype
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Operator, //operator
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Concept, //concept
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Requires, //requires
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None, // It's a keyword but don't process here
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NotKeyword
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};
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//It will be used as hash key. DONT make it enum class!!!!!
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enum StatementKind {
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skUnknown,
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skNamespace,
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skNamespaceAlias,
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skClass,
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skPreprocessor,
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skEnumType,
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skEnumClassType,
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skTypedef,
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skConstructor,
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skDestructor,
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skFunction,
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skVariable,
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skGlobalVariable,
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skLocalVariable,
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skEnum,
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skOperator,
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skParameter,
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skBlock,
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skUserCodeSnippet, // user code template
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skKeyword, // keywords
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skKeywordType, //keywords for type (for color management)
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skAlias
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};
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using StatementKindSet = QSet<StatementKind>;
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enum class StatementScope {
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Global,
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Local,
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ClassLocal
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};
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enum class StatementAccessibility {
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None,
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Private,
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Protected,
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Public
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};
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enum class MemberOperatorType {
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Arrow,
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Dot,
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DColon,
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Other
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};
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enum class EvalStatementKind {
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Namespace,
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Type,
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Variable,
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Literal,
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Function
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};
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struct StatementMatchPosition{
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uint16_t start;
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uint16_t end;
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};
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enum StatementProperty {
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spNone = 0x0,
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spStatic = 0x0001,
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spHasDefinition = 0x0002,
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spInProject = 0x0004,
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spInSystemHeader = 0x0008,
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spInherited = 0x0010,
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spVirtual = 0x0020,
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spOverride = 0x0040,
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spConstexpr = 0x0080,
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spFunctionPointer = 0x0100,
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spOperatorOverloading = 0x0200,
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spDummyStatement = 0x0400
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};
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Q_DECLARE_FLAGS(StatementProperties, StatementProperty)
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Q_DECLARE_OPERATORS_FOR_FLAGS(StatementProperties)
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using PStatementMathPosition = std::shared_ptr<StatementMatchPosition>;
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struct Statement;
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using PStatement = std::shared_ptr<Statement>;
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using StatementList = QList<PStatement>;
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using PStatementList = std::shared_ptr<StatementList>;
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using StatementMap = QMultiMap<QString, PStatement>;
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struct Statement {
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// Statement();
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// ~Statement();
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std::weak_ptr<Statement> parentScope; // parent class/struct/namespace scope, use weak pointer to prevent circular reference
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QString type; // type "int"
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QString command; // identifier/name of statement "foo"
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QString args; // args "(int a,float b)"
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QString value; // Used for macro defines/typedef, "100" in "#defin COUNT 100"
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QString templateSpecializationParams;
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StatementKind kind; // kind of statement class/variable/function/etc
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StatementScope scope; // global/local/classlocal
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StatementAccessibility accessibility; // protected/private/public
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int line; // declaration
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int definitionLine; // definition
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QString fileName; // declaration
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QString definitionFileName; // definition
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StatementMap children; // functions can be overloaded,so we use list to save children with the same name
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QSet<QString> friends; // friend class / functions
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QString fullName; // fullname(including class and namespace), ClassA::foo
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QSet<QString> usingList; // using namespaces
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QString noNameArgs;// Args without name
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StatementProperties properties;
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// fields for code completion
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int usageCount; //Usage Count
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uint16_t matchPosTotal; // total of matched positions
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uint16_t matchPosSpan; // distance between the first match pos and the last match pos;
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uint16_t firstMatchLength; // length of first match;
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uint16_t caseMatched; // if match with case
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QList<PStatementMathPosition> matchPositions;
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// definiton line/filename is valid
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bool hasDefinition() {
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return properties.testFlag(StatementProperty::spHasDefinition);
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}
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void setHasDefinition(bool on) {
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properties.setFlag(StatementProperty::spHasDefinition,on);
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}
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// statement in project
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bool inProject() {
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return properties.testFlag(StatementProperty::spInProject);
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}
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void setInProject(bool on) {
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properties.setFlag(StatementProperty::spInProject, on);
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}
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// statement in system header (#include <>)
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bool inSystemHeader() {
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return properties.testFlag(StatementProperty::spInSystemHeader);
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}
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void setInSystemHeader(bool on) {
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properties.setFlag(StatementProperty::spInSystemHeader, on);
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}
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bool isStatic() {
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return properties.testFlag(StatementProperty::spStatic);
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} // static function / variable
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void setIsStatic(bool on) {
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properties.setFlag(StatementProperty::spStatic, on);
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}
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bool isInherited() {
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return properties.testFlag(StatementProperty::spInherited);
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} // inherted member;
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};
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struct EvalStatement;
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using PEvalStatement = std::shared_ptr<EvalStatement>;
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/**
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* @brief Statement for evaluation result
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* Ex. (Test*)(y+1)
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* it's baseStatement is the statement for y
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* it's effetiveTypeStatement is Test
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*/
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struct EvalStatement {
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QString baseType; // type "int"
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QString templateParams;
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EvalStatementKind kind; // namespace / type / variable / function / literal
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int pointerLevel; // 0 for "int", 1 for "int *", 2 for "int **"...
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QString definitionString; // std::vector<int> etc...
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PStatement baseStatement; // if not literal or primitive type, the base statement
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PStatement typeStatement;
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PStatement effectiveTypeStatement;
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public:
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EvalStatement (const QString& baseType,
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EvalStatementKind kind,
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const PStatement& baseStatement,
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const PStatement& typeStatement,
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const PStatement& effectiveTypeStatement,
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int pointerLevel=0,
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const QString& templateParams=QString());
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void assignType(const PEvalStatement& typeStatement);
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};
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struct UsingNamespace {
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QStringList namespaces; // List['std','foo'] for using namespace std::foo;
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QString filename;
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int line;
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bool fromHeader;
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};
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using PUsingNamespace = std::shared_ptr<UsingNamespace>;
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struct CppScope {
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int startLine;
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PStatement statement;
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};
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using PCppScope = std::shared_ptr<CppScope>;
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class CppScopes {
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public:
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PStatement findScopeAtLine(int line);
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void addScope(int line, PStatement scopeStatement);
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PStatement lastScope();
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void removeLastScope();
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void clear();
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private:
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QVector<PCppScope> mScopes;
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};
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struct ClassInheritanceInfo {
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std::weak_ptr<Statement> derivedClass;
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QString file;
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QString parentClassName;
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bool isGlobal;
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bool isStruct;
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StatementAccessibility visibility;
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// QString parentClassFilename;
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bool handled;
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};
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using PClassInheritanceInfo = std::shared_ptr<ClassInheritanceInfo>;
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struct FileIncludes {
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QString baseFile;
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QMap<QString, bool> includeFiles; // true means the file is directly included, false means included indirectly
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QStringList directIncludes; //
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QSet<QString> usings; // namespaces it usings
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StatementMap statements; // but we don't save temporary statements (full name as key)
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StatementMap declaredStatements; // statements declared in this file (full name as key)
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CppScopes scopes; // int is start line of the statement scope
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QMap<int,bool> branches;
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QList<std::weak_ptr<ClassInheritanceInfo>> handledInheritances;
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bool isLineVisible(int line);
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};
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using PFileIncludes = std::shared_ptr<FileIncludes>;
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extern QStringList CppDirectives;
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extern QStringList JavadocTags;
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extern QMap<QString,KeywordType> CppKeywords;
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#ifdef ENABLE_SDCC
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extern QMap<QString,KeywordType> SDCCKeywords;
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extern QSet<QString> SDCCTypeKeywords;
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#endif
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extern QSet<QString> CppControlKeyWords;
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extern QSet<QString> CKeywords;
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extern QSet<QString> CppTypeKeywords;
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extern QSet<QString> STLPointers;
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extern QSet<QString> STLContainers;
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extern QSet<QString> STLMaps;
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extern QSet<QString> STLElementMethods;
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extern QSet<QString> STLIterators;
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extern QSet<QString> MemberOperators;
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extern QSet<QString> IOManipulators;
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extern QSet<QString> AutoTypes;
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void initParser();
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QString getHeaderFilename(const QString& relativeTo, const QString& line,
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const QStringList& includePaths, const QStringList& projectIncludePaths);
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QString getLocalHeaderFilename(const QString& relativeTo, const QString& fileName);
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QString getSystemHeaderFilename(const QString& fileName, const QStringList& includePaths);
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bool isSystemHeaderFile(const QString& fileName, const QSet<QString>& includePaths);
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bool isHFile(const QString& filename);
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bool isCFile(const QString& filename);
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bool isCppFile(const QString& filename);
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bool isCppKeyword(const QString& word);
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bool isCppControlKeyword(const QString& word);
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bool isScopeTypeKind(StatementKind kind);
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bool isTypeKind(StatementKind kind);
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MemberOperatorType getOperatorType(const QString& phrase, int index);
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QStringList getOwnerExpressionAndMember(
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const QStringList expression,
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QString& memberOperator,
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QStringList& memberExpression);
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bool isMemberOperator(QString token);
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StatementKind getKindOfStatement(const PStatement& statement);
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#endif // PARSER_UTILS_H
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