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astyle-port/astyle.h
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pvoid 1e203a2245 style port v1
2025-11-28 18:16:55 +03:00

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// astyle.h
// Copyright (c) 2025 The Artistic Style Authors.
// This code is licensed under the MIT License.
// License.md describes the conditions under which this software may be distributed.
#ifndef ASTYLE_H
#define ASTYLE_H
// ignore size_t to int conversion warning for now
#ifdef _WIN64
#pragma warning( disable : 4267 )
#endif
//-----------------------------------------------------------------------------
// headers
//-----------------------------------------------------------------------------
#include <cassert>
#include <cctype>
#include <iostream>
#include <memory>
#include <string>
#include <string_view>
#include <vector>
#include <cctype>
namespace std
{
using string_view=std::experimental::fundamentals_v1::string_view;
inline int isblank(int c){return ::isblank(c);}
}
#ifdef __GNUC__
#include <cstring> // need both string and cstring for GCC
#endif
#define ASTYLE_VERSION "3.6.13"
namespace astyle {
//----------------------------------------------------------------------------
// definitions
//----------------------------------------------------------------------------
enum FileType { C_TYPE = 0, JAVA_TYPE = 1, SHARP_TYPE = 2, JS_TYPE = 3, OBJC_TYPE = 4, GSC_TYPE = 5, INVALID_TYPE = -1 };
/* The enums below are not recognized by 'vectors' in Microsoft Visual C++
V5 when they are part of a namespace!!! Use Visual C++ V6 or higher.
*/
enum FormatStyle
{
STYLE_NONE,
STYLE_ALLMAN,
STYLE_JAVA,
STYLE_KR,
STYLE_STROUSTRUP,
STYLE_WHITESMITH,
STYLE_VTK,
STYLE_RATLIFF,
STYLE_GNU,
STYLE_LINUX,
STYLE_HORSTMANN,
STYLE_1TBS,
STYLE_GOOGLE,
STYLE_MOZILLA,
STYLE_WEBKIT,
STYLE_PICO,
STYLE_LISP
};
enum BraceMode
{
NONE_MODE,
ATTACH_MODE,
BREAK_MODE,
LINUX_MODE,
RUN_IN_MODE // broken braces
};
// maximum single value for size_t is 32,768 (total value of 65,535)
enum BraceType : size_t
{
NULL_TYPE = 0,
NAMESPACE_TYPE = 1, // also a DEFINITION_TYPE
CLASS_TYPE = 2, // also a DEFINITION_TYPE
STRUCT_TYPE = 4, // also a DEFINITION_TYPE
INTERFACE_TYPE = 8, // also a DEFINITION_TYPE
DEFINITION_TYPE = 16,
COMMAND_TYPE = 32,
ARRAY_NIS_TYPE = 64, // also an ARRAY_TYPE
ENUM_TYPE = 128, // also an ARRAY_TYPE
INIT_TYPE = 256, // also an ARRAY_TYPE
ARRAY_TYPE = 512,
EXTERN_TYPE = 1024, // extern "C", not a command type extern
EMPTY_BLOCK_TYPE = 2048, // also a SINGLE_LINE_TYPE
BREAK_BLOCK_TYPE = 4096, // also a SINGLE_LINE_TYPE
SINGLE_LINE_TYPE = 8192
};
enum MinConditional
{
MINCOND_ZERO,
MINCOND_ONE,
MINCOND_TWO,
MINCOND_ONEHALF,
MINCOND_END
};
enum ObjCColonPad
{
COLON_PAD_NO_CHANGE,
COLON_PAD_NONE,
COLON_PAD_ALL,
COLON_PAD_AFTER,
COLON_PAD_BEFORE
};
enum PointerAlign
{
PTR_ALIGN_NONE,
PTR_ALIGN_TYPE,
PTR_ALIGN_MIDDLE,
PTR_ALIGN_NAME
};
enum ReferenceAlign
{
REF_ALIGN_NONE = PTR_ALIGN_NONE,
REF_ALIGN_TYPE = PTR_ALIGN_TYPE,
REF_ALIGN_MIDDLE = PTR_ALIGN_MIDDLE,
REF_ALIGN_NAME = PTR_ALIGN_NAME,
REF_SAME_AS_PTR
};
enum FileEncoding
{
ENCODING_8BIT, // includes UTF-8 without BOM
UTF_8BOM, // UTF-8 with BOM
UTF_16BE,
UTF_16LE, // Windows default
UTF_32BE,
UTF_32LE
};
enum LineEndFormat
{
LINEEND_DEFAULT, // Use line break that matches most of the file
LINEEND_WINDOWS,
LINEEND_LINUX,
LINEEND_MACOLD
};
enum NegationPaddingMode
{
NEGATION_PAD_NO_CHANGE,
NEGATION_PAD_AFTER,
NEGATION_PAD_BEFORE
};
enum IncludeDirectivePaddingMode
{
INCLUDE_PAD_NO_CHANGE,
INCLUDE_PAD_NONE,
INCLUDE_PAD_AFTER
};
//-----------------------------------------------------------------------------
// Class ASSourceIterator
// A pure virtual class is used by ASFormatter and ASBeautifier instead of
// ASStreamIterator. This allows programs using AStyle as a plug-in to define
// their own ASStreamIterator. The ASStreamIterator class must inherit
// this class.
//-----------------------------------------------------------------------------
class ASSourceIterator
{
public:
ASSourceIterator() = default;
virtual ~ASSourceIterator() = default;
virtual std::streamoff getPeekStart() const = 0;
virtual int getStreamLength() const = 0;
virtual bool hasMoreLines() const = 0;
virtual std::string nextLine(bool emptyLineWasDeleted) = 0;
virtual std::string peekNextLine() = 0;
virtual void peekReset() = 0;
virtual std::streamoff tellg() = 0;
};
//-----------------------------------------------------------------------------
// Class ASPeekStream
// A small class using RAII to peek ahead in the ASSourceIterator stream
// and to reset the ASSourceIterator pointer in the destructor.
// It enables a return from anywhere in the method.
//-----------------------------------------------------------------------------
class ASPeekStream
{
private:
ASSourceIterator* sourceIterator;
bool needReset; // reset sourceIterator to the original position
public:
explicit ASPeekStream(ASSourceIterator* sourceIterator_)
{ sourceIterator = sourceIterator_; needReset = false; }
~ASPeekStream()
{ if (needReset) sourceIterator->peekReset(); }
bool hasMoreLines() const
{ return sourceIterator->hasMoreLines(); }
std::string peekNextLine()
{ needReset = true; return sourceIterator->peekNextLine(); }
};
//-----------------------------------------------------------------------------
// Class ASResource
//-----------------------------------------------------------------------------
class ASResource
{
public:
static void buildAssignmentOperators(std::vector<const std::string*>* assignmentOperators);
static void buildCastOperators(std::vector<const std::string*>* castOperators);
static void buildHeaders(std::vector<const std::string*>* headers, int fileType, bool beautifier = false);
static void buildIndentableMacros(std::vector<const std::pair<const std::string, const std::string>* >* indentableMacros);
static void buildIndentableHeaders(std::vector<const std::string*>* indentableHeaders);
static void buildNonAssignmentOperators(std::vector<const std::string*>* nonAssignmentOperators, int fileType);
static void buildNonParenHeaders(std::vector<const std::string*>* nonParenHeaders, int fileType, bool beautifier = false);
static void buildOperators(std::vector<const std::string*>* operators, int fileType);
static void buildPreBlockStatements(std::vector<const std::string*>* preBlockStatements, int fileType);
static void buildPreCommandHeaders(std::vector<const std::string*>* preCommandHeaders, int fileType);
static void buildPreDefinitionHeaders(std::vector<const std::string*>* preDefinitionHeaders, int fileType);
public:
static const std::string AS_IF, AS_ELSE;
static const std::string AS_DO, AS_WHILE;
static const std::string AS_FOR;
static const std::string AS_SWITCH, AS_CASE, AS_DEFAULT;
static const std::string AS_TRY, AS_CATCH, AS_THROW, AS_THROWS, AS_FINALLY, AS_USING;
static const std::string _AS_TRY, _AS_FINALLY, _AS_EXCEPT;
static const std::string AS_PUBLIC, AS_PROTECTED, AS_PRIVATE;
static const std::string AS_CLASS, AS_STRUCT, AS_TYPEDEF_STRUCT, AS_UNION, AS_INTERFACE, AS_NAMESPACE;
static const std::string AS_MODULE;
static const std::string AS_END;
static const std::string AS_SELECTOR;
static const std::string AS_EXTERN, AS_ENUM;
static const std::string AS_FINAL, AS_OVERRIDE;
static const std::string AS_STATIC, AS_CONST, AS_SEALED, AS_VOLATILE, AS_NEW, AS_DELETE;
static const std::string AS_NOEXCEPT, AS_INTERRUPT, AS_AUTORELEASEPOOL;
static const std::string AS_WHERE, AS_LET, AS_SYNCHRONIZED;
static const std::string AS_OPERATOR, AS_TEMPLATE;
static const std::string AS_OPEN_PAREN, AS_CLOSE_PAREN;
static const std::string AS_OPEN_BRACE, AS_CLOSE_BRACE;
static const std::string AS_OPEN_LINE_COMMENT, AS_OPEN_COMMENT, AS_CLOSE_COMMENT;
static const std::string AS_GSC_OPEN_COMMENT, AS_GSC_CLOSE_COMMENT;
static const std::string AS_OPEN_CONFLICT, AS_MIDDLE_CONFLICT, AS_CLOSE_CONFLICT;
static const std::string AS_BAR_DEFINE, AS_BAR_INCLUDE, AS_BAR_IF, AS_BAR_EL, AS_BAR_ENDIF;
static const std::string AS_AUTO, AS_RETURN;
static const std::string AS_CIN, AS_COUT, AS_CERR, AS_MAPPING;
static const std::string AS_ASSIGN, AS_PLUS_ASSIGN, AS_MINUS_ASSIGN, AS_MULT_ASSIGN;
static const std::string AS_DIV_ASSIGN, AS_MOD_ASSIGN, AS_XOR_ASSIGN, AS_OR_ASSIGN, AS_AND_ASSIGN;
static const std::string AS_GR_GR_ASSIGN, AS_LS_LS_ASSIGN, AS_GR_GR_GR_ASSIGN, AS_LS_LS_LS_ASSIGN;
static const std::string AS_GCC_MIN_ASSIGN, AS_GCC_MAX_ASSIGN, AS_SPACESHIP, AS_EQUAL_JS, AS_COALESCE_CS;
static const std::string AS_EQUAL, AS_PLUS_PLUS, AS_MINUS_MINUS, AS_NOT_EQUAL, AS_GR_EQUAL;
static const std::string AS_LS_EQUAL, AS_LS_LS_LS, AS_LS_LS, AS_GR_GR_GR, AS_GR_GR;
static const std::string AS_QUESTION_QUESTION, AS_LAMBDA;
static const std::string AS_ARROW, AS_AND, AS_OR;
static const std::string AS_SCOPE_RESOLUTION;
static const std::string AS_PLUS, AS_MINUS, AS_MULT, AS_DIV, AS_MOD, AS_GR, AS_LS;
static const std::string AS_NOT, AS_BIT_XOR, AS_BIT_OR, AS_BIT_AND, AS_BIT_NOT;
static const std::string AS_QUESTION, AS_COLON, AS_SEMICOLON, AS_COMMA, AS_DOT;
static const std::string AS_ASM, AS__ASM__, AS_MS_ASM, AS_MS__ASM;
static const std::string AS_QFOREACH, AS_QFOREVER, AS_FOREVER;
static const std::string AS_FOREACH, AS_LOCK, AS_UNSAFE, AS_FIXED;
static const std::string AS_GET, AS_SET, AS_ADD, AS_REMOVE;
static const std::string AS_DELEGATE, AS_UNCHECKED;
static const std::string AS_CONST_CAST, AS_DYNAMIC_CAST, AS_REINTERPRET_CAST, AS_STATIC_CAST;
static const std::string AS_NS_DURING, AS_NS_HANDLER;
}; // Class ASResource
//-----------------------------------------------------------------------------
// Class ASBase
// Functions definitions are at the end of ASResource.cpp.
//-----------------------------------------------------------------------------
class ASBase
{
private:
// all variables should be set by the "init" function
int baseFileType = C_TYPE; // a value from enum FileType
protected:
ASBase() = default;
protected: // inline functions
void init(int fileTypeArg) { baseFileType = fileTypeArg; }
bool isCStyle() const { return baseFileType == C_TYPE || baseFileType == OBJC_TYPE || baseFileType == GSC_TYPE; }
bool isJavaStyle() const { return baseFileType == JAVA_TYPE; }
bool isSharpStyle() const { return baseFileType == SHARP_TYPE; }
bool isJSStyle() const { return baseFileType == JS_TYPE; }
bool isObjCStyle() const { return baseFileType == OBJC_TYPE; }
bool isGSCStyle() const { return baseFileType == GSC_TYPE; }
protected: // functions definitions are at the end of ASResource.cpp
const std::string* findHeader(std::string_view line, int i,
const std::vector<const std::string*>* possibleHeaders) const;
bool findKeyword(std::string_view line, int i, std::string_view keyword) const;
const std::string* findOperator(std::string_view line, int i,
const std::vector<const std::string*>* possibleOperators) const;
std::string_view getCurrentWord(std::string_view, size_t index) const;
bool isDigit(char ch) const;
bool isLegalNameChar(char ch) const;
bool isCharPotentialHeader(std::string_view line, size_t i) const;
bool isCharPotentialOperator(char ch) const;
bool isDigitSeparator(std::string_view line, int i) const;
char peekNextChar(std::string_view line, int i) const;
}; // Class ASBase
//-----------------------------------------------------------------------------
// Class ASBeautifier
//-----------------------------------------------------------------------------
class ASBeautifier : protected ASBase
{
public:
ASBeautifier();
virtual ~ASBeautifier();
ASBeautifier(const ASBeautifier& other);
ASBeautifier& operator=(ASBeautifier const&) = delete;
ASBeautifier(ASBeautifier&&) = delete;
ASBeautifier& operator=(ASBeautifier&&) = delete;
virtual void init(ASSourceIterator* iter);
virtual std::string beautify(const std::string& originalLine);
void setCaseIndent(bool state);
void setClassIndent(bool state);
void setContinuationIndentation(int indent = 1);
void setCStyle();
void setDefaultTabLength();
void setEmptyLineFill(bool state);
void setForceTabXIndentation(int length);
void setAfterParenIndent(bool state);
void setJavaStyle();
void setJSStyle();
void setObjCStyle();
void setSharpStyle();
void setGSCStyle();
void setLabelIndent(bool state);
void setMaxContinuationIndentLength(int max);
void setMaxInStatementIndentLength(int max);
void setMinConditionalIndentOption(int min);
void setMinConditionalIndentLength();
void setModeManuallySet(bool state);
void setModifierIndent(bool state);
void setNamespaceIndent(bool state);
void setAlignMethodColon(bool state);
void setSpaceIndentation(int length = 4);
void setSwitchIndent(bool state);
void setTabIndentation(int length = 4, bool forceTabs = false);
void setPreprocDefineIndent(bool state);
void setPreprocConditionalIndent(bool state);
void setSqueezeWhitespace(bool state);
void setPreserveWhitespace(bool state);
void setLambdaIndentation(bool state);
int getBeautifierFileType() const;
int getFileType() const;
int getIndentLength() const;
int getTabLength() const;
std::string getIndentString() const;
std::string getNextWord(const std::string& line, size_t currPos) const;
bool getAlignMethodColon() const;
bool getBraceIndent() const;
bool getBlockIndent() const;
bool getCaseIndent() const;
bool getClassIndent() const;
bool getEmptyLineFill() const;
bool getForceTabIndentation() const;
bool getModeManuallySet() const;
bool getModifierIndent() const;
bool getNamespaceIndent() const;
bool getPreprocDefineIndent() const;
bool getSwitchIndent() const;
protected:
void deleteBeautifierVectors();
int getNextProgramCharDistance(std::string_view line, int i) const;
int indexOf(const std::vector<const std::string*>& container, const std::string* element) const;
void setBlockIndent(bool state);
void setBraceIndent(bool state);
void setBraceIndentVtk(bool state);
std::string extractPreprocessorStatement(std::string_view line) const;
std::string trim(std::string_view str) const;
std::string rtrim(std::string_view str) const;
bool isNumericVariable(std::string_view word) const;
bool isGitConflictMarker(std::string_view line) const;
bool lineStartsWithNumericType(std::string_view line) const;
// variables set by ASFormatter - must be updated in activeBeautifierStack
int inLineNumber;
int runInIndentContinuation;
int nonInStatementBrace;
int objCColonAlignSubsequent; // for subsequent lines not counting indent
int bracesNestingLevel;
int bracesNestingLevelOfStruct;
bool lineCommentNoBeautify;
bool isElseHeaderIndent;
bool isCaseHeaderCommentIndent;
bool isNonInStatementArray;
bool isSharpAccessor;
bool isSharpDelegate;
bool isInExternC;
bool isInBeautifySQL;
bool isInIndentableStruct;
bool isInIndentablePreproc;
bool lambdaIndicator;
int lambdaDepth;
int lastLambdaDepth;
bool preserveWhitespace;
private: // functions
void adjustObjCMethodDefinitionIndentation(std::string_view line_);
void adjustObjCMethodCallIndentation(std::string_view line_);
void adjustParsedLineIndentation(size_t iPrelim, bool isInExtraHeaderIndent);
void computePreliminaryIndentation();
void parseCurrentLine(std::string_view line);
void popLastContinuationIndent();
void processPreprocessor(std::string_view preproc, std::string_view line);
void registerContinuationIndent(std::string_view line, int i, int spaceIndentCount_,
int tabIncrementIn, int minIndent, bool updateParenStack);
void registerContinuationIndentColon(std::string_view line, int i, int tabIncrementIn);
void initVectors();
void initTempStacksContainer(std::vector<std::vector<const std::string*>*>*& container,
std::vector<std::vector<const std::string*>*>* value);
void clearObjCMethodDefinitionAlignment();
void deleteBeautifierContainer(std::vector<ASBeautifier*>*& container);
void deleteTempStacksContainer(std::vector<std::vector<const std::string*>*>*& container);
int adjustIndentCountForBreakElseIfComments() const;
int computeObjCColonAlignment(std::string_view line, int colonAlignPosition) const;
int convertTabToSpaces(int i, int tabIncrementIn) const;
int findObjCColonAlignment(std::string_view line) const;
int getContinuationIndentAssign(std::string_view line, size_t currPos) const;
int getContinuationIndentComma(std::string_view line, size_t currPos) const;
int getObjCFollowingKeyword(std::string_view line, int bracePos) const;
bool isIndentedPreprocessor(std::string_view line, size_t currPos) const;
bool isLineEndComment(std::string_view line, int startPos) const;
bool isPreprocessorConditionalCplusplus(std::string_view line) const;
bool isInPreprocessorUnterminatedComment(std::string_view line);
bool isTopLevel() const;
bool statementEndsWithComma(std::string_view line, int index) const;
std::string getIndentedSpaceEquivalent(std::string_view line_) const;
std::string preLineWS(int lineIndentCount, int lineSpaceIndentCount);
template<typename T> void deleteContainer(T& container);
template<typename T> void initContainer(T& container, T value);
std::vector<std::vector<const std::string*>*>* copyTempStacks(const ASBeautifier& other) const;
std::pair<int, int> computePreprocessorIndent();
bool handleHeaderSection(std::string_view line, size_t* i, bool closingBraceReached, bool *haveCaseIndent);
bool handleColonSection(std::string_view line, size_t* i, bool tabIncrementIn, char* ch);
void handleEndOfStatement(size_t i, bool *closingBraceReached, char* ch);
void handleParens(std::string_view line, size_t i, bool tabIncrementIn, bool * isInOperator, char ch);
void handleClosingParen(std::string_view line, size_t i, bool tabIncrementIn);
void handlePotentialHeaderSection(std::string_view line, size_t* i, bool tabIncrementIn, bool *isInOperator);
void handlePotentialOperatorSection(std::string_view line, size_t* i, bool tabIncrementIn, bool haveAssignmentThisLine, bool isInOperator);
private: // variables
int beautifierFileType;
std::vector<const std::string*>* headers;
std::vector<const std::string*>* nonParenHeaders;
std::vector<const std::string*>* preBlockStatements;
std::vector<const std::string*>* preCommandHeaders;
std::vector<const std::string*>* assignmentOperators;
std::vector<const std::string*>* nonAssignmentOperators;
std::vector<const std::string*>* indentableHeaders;
std::vector<ASBeautifier*>* waitingBeautifierStack;
std::vector<ASBeautifier*>* activeBeautifierStack;
std::vector<size_t>* waitingBeautifierStackLengthStack;
std::vector<size_t>* activeBeautifierStackLengthStack;
std::vector<const std::string*>* headerStack;
std::vector<std::vector<const std::string*>* >* tempStacks;
std::vector<int>* parenDepthStack;
std::vector<bool>* blockStatementStack;
std::vector<bool>* parenStatementStack;
std::vector<bool>* braceBlockStateStack;
std::vector<int>* continuationIndentStack;
std::vector<size_t>* continuationIndentStackSizeStack;
std::vector<int>* parenIndentStack;
std::vector<std::pair<int, int> >* preprocIndentStack;
std::vector<int>* lambdaDepthStack;
std::vector<std::pair<size_t, size_t> > squeezeWSStack;
ASSourceIterator* sourceIterator;
const std::string* currentHeader;
const std::string* previousLastLineHeader;
const std::string* probationHeader;
const std::string* lastLineHeader;
std::string indentString;
std::string verbatimDelimiter;
bool isInQuote;
bool isInVerbatimQuote;
bool haveLineContinuationChar;
bool isInAsm;
bool isInAsmOneLine;
bool isInAsmBlock;
bool isInComment;
bool isInPreprocessorComment;
bool isInRunInComment;
bool isInCase;
bool isInQuestion;
bool isContinuation;
bool isInHeader;
bool isInTemplate;
bool isInDefine;
bool isInDefineDefinition;
bool classIndent;
bool isIndentModeOff;
bool isInClassHeader; // is in a class before the opening brace
bool isInClassHeaderTab; // is in an indentable class header line
bool isInClassInitializer; // is in a class after the ':' initializer
bool isInClass; // is in a class after the opening brace
bool isInObjCMethodDefinition;
bool isInObjCMethodCall;
bool isInObjCMethodCallFirst;
bool isImmediatelyPostObjCMethodDefinition;
bool isImmediatelyPostObjCMethodCall;
bool isInIndentablePreprocBlock;
bool isInObjCInterface;
bool isInEnum;
bool isInEnumTypeID;
bool isInStruct;
bool isInLet;
bool isInTrailingReturnType;
bool modifierIndent;
bool switchIndent;
bool caseIndent;
bool namespaceIndent;
bool blockIndent;
bool braceIndent;
bool braceIndentVtk;
bool shouldIndentAfterParen;
bool labelIndent;
bool shouldIndentPreprocDefine;
bool isInConditional;
bool isModeManuallySet;
bool shouldForceTabIndentation;
bool emptyLineFill;
bool backslashEndsPrevLine;
bool lineOpensWithLineComment;
bool lineOpensWithComment;
bool lineStartsInComment;
bool blockCommentNoIndent;
bool blockCommentNoBeautify;
bool previousLineProbationTab;
bool lineBeginsWithOpenBrace;
bool lineBeginsWithCloseBrace;
bool lineBeginsWithComma;
bool lineIsCommentOnly;
bool lineIsLineCommentOnly;
bool shouldIndentBracedLine;
bool isInSwitch;
bool foundPreCommandHeader;
bool foundPreCommandMacro;
bool shouldAlignMethodColon;
bool shouldIndentPreprocConditional;
bool squeezeWhitespace;
bool attemptLambdaIndentation;
bool isInAssignment;
bool isInInitializerList;
bool isInMultiLineString;
int indentCount;
int spaceIndentCount;
int spaceIndentObjCMethodAlignment;
int bracePosObjCMethodAlignment;
int colonIndentObjCMethodAlignment;
int lineOpeningBlocksNum;
int lineClosingBlocksNum;
int fileType;
int minConditionalOption;
int minConditionalIndent;
int parenDepth;
int indentLength;
int tabLength;
int continuationIndent;
int blockTabCount;
int maxContinuationIndent;
int classInitializerIndents;
int templateDepth;
int squareBracketCount;
int prevFinalLineSpaceIndentCount;
int prevFinalLineIndentCount;
int defineIndentCount;
int preprocBlockIndent;
int lambdaStartIndent;
int lambdaEndIndent;
size_t quoteContinuationIndent;
char quoteChar;
char prevNonSpaceCh;
char currentNonSpaceCh;
char currentNonLegalCh;
char prevNonLegalCh;
}; // Class ASBeautifier
//-----------------------------------------------------------------------------
// Class ASEnhancer
//-----------------------------------------------------------------------------
// TODO rewrite methods to return altered strings
class ASEnhancer : protected ASBase
{
public: // functions
ASEnhancer() = default;
void init(int, int, int, bool, bool, bool, bool, bool, bool, bool,
std::vector<const std::pair<const std::string, const std::string>* >*);
void enhance(std::string& line, bool isInNamespace, bool isInPreprocessor, bool isInSQL);
private: // functions
void convertForceTabIndentToSpaces(std::string& line) const;
void convertSpaceIndentToForceTab(std::string& line) const;
size_t findCaseColon(std::string_view line, size_t caseIndex) const;
int indentLine(std::string& line, int indent) const;
bool isBeginDeclareSectionSQL(std::string_view line, size_t index) const;
bool isEndDeclareSectionSQL(std::string_view line, size_t index) const;
bool isOneLineBlockReached(std::string_view line, int startChar) const;
void parseCurrentLine(std::string& line, bool isInPreprocessor, bool isInSQL);
size_t processSwitchBlock(std::string& line, size_t index);
int unindentLine(std::string& line, int unindent) const;
private:
// options from command line or options file
int indentLength;
int tabLength;
bool useTabs;
bool forceTab;
bool namespaceIndent;
bool caseIndent;
bool preprocBlockIndent;
bool preprocDefineIndent;
bool emptyLineFill;
// parsing variables
int lineNumber;
bool isInQuote;
bool isInComment;
char quoteChar;
// unindent variables
int braceCount;
int switchDepth;
int eventPreprocDepth;
bool lookingForCaseBrace;
bool unindentNextLine;
bool shouldUnindentLine;
bool shouldUnindentComment;
// struct used by ParseFormattedLine function
// contains variables used to unindent the case blocks
struct SwitchVariables
{
int switchBraceCount;
int unindentDepth;
bool unindentCase;
};
SwitchVariables sw; // switch variables struct
std::vector<SwitchVariables> switchStack; // stack std::vector of switch variables
// event table variables
bool nextLineIsEventIndent; // begin event table indent is reached
bool isInEventTable; // need to indent an event table
std::vector<const std::pair<const std::string, const std::string>* >* indentableMacros;
// SQL variables
bool nextLineIsDeclareIndent; // begin declare section indent is reached
bool isInDeclareSection; // need to indent a declare section
}; // Class ASEnhancer
//-----------------------------------------------------------------------------
// Class ASFormatter
//-----------------------------------------------------------------------------
class ASFormatter : public ASBeautifier
{
public: // functions
ASFormatter();
~ASFormatter() override;
ASFormatter(const ASFormatter&) = delete;
ASFormatter& operator=(ASFormatter const&) = delete;
ASFormatter(ASFormatter&&) = delete;
ASFormatter& operator=(ASFormatter&&) = delete;
void init(ASSourceIterator* si) override;
bool hasMoreLines() const;
void extracted();
std::string nextLine();
LineEndFormat getLineEndFormat() const;
bool getIsLineReady() const;
void setFormattingStyle(FormatStyle style);
void setAddBracesMode(bool state);
void setAddOneLineBracesMode(bool state);
void setRemoveBracesMode(bool state);
void setAttachClass(bool state);
void setAttachClosingWhile(bool state);
void setAttachExternC(bool state);
void setAttachNamespace(bool state);
void setAttachInline(bool state);
void setBraceFormatMode(BraceMode mode);
void setBreakAfterMode(bool state);
void setBreakClosingHeaderBracesMode(bool state);
void setBreakBlocksMode(bool state);
void setBreakClosingHeaderBlocksMode(bool state);
void setBreakElseIfsMode(bool state);
void setBreakOneLineBlocksMode(bool state);
void setBreakOneLineHeadersMode(bool state);
void setBreakOneLineStatementsMode(bool state);
void setMethodPrefixPaddingMode(bool state);
void setMethodPrefixUnPaddingMode(bool state);
void setReturnTypePaddingMode(bool state);
void setReturnTypeUnPaddingMode(bool state);
void setParamTypePaddingMode(bool state);
void setParamTypeUnPaddingMode(bool state);
void setCloseTemplatesMode(bool state);
void setCommaPaddingMode(bool state);
void setDeleteEmptyLinesMode(bool state);
void setBreakReturnType(bool state);
void setBreakReturnTypeDecl(bool state);
void setAttachReturnType(bool state);
void setAttachReturnTypeDecl(bool state);
void setIndentCol1CommentsMode(bool state);
void setLineEndFormat(LineEndFormat fmt);
void setMaxCodeLength(int max);
void setObjCColonPaddingMode(ObjCColonPad mode);
void setOperatorPaddingMode(bool state);
void setNegationPaddingMode(NegationPaddingMode mode);
void setIncludeDirectivePaddingMode(IncludeDirectivePaddingMode mode);
void setParensOutsidePaddingMode(bool state);
void setParensFirstPaddingMode(bool state);
void setEmptyParensPaddingMode(bool state);
void setParensInsidePaddingMode(bool state);
void setParensHeaderPaddingMode(bool state);
void setParensUnPaddingMode(bool state);
void setBracketsOutsidePaddingMode(bool state);
void setBracketsInsidePaddingMode(bool state);
void setBracketsUnPaddingMode(bool state);
void setPointerAlignment(PointerAlign alignment);
void setPreprocBlockIndent(bool state);
void setReferenceAlignment(ReferenceAlign alignment);
void setStripCommentPrefix(bool state);
void setTabSpaceConversionMode(bool state);
size_t getChecksumIn() const;
size_t getChecksumOut() const;
int getChecksumDiff() const;
int getFormatterFileType() const;
// retained for compatibility with release 2.06
// "Brackets" have been changed to "Braces" in 3.0
// they are referenced only by the old "bracket" options
void setAddBracketsMode(bool state);
void setAddOneLineBracketsMode(bool state);
void setRemoveBracketsMode(bool state);
void setBreakClosingHeaderBracketsMode(bool state);
void setSqueezeEmptyLinesNumber(int);
private: // functions
template<typename T> void deleteContainer(T& container);
template<typename T> void initContainer(T& container, T value);
char peekNextChar() const;
BraceType getBraceType();
bool adjustChecksumIn(int adjustment);
bool computeChecksumIn(std::string_view currentLine_);
bool computeChecksumOut(std::string_view beautifiedLine);
bool addBracesToStatement();
bool removeBracesFromStatement();
bool commentAndHeaderFollows();
bool getNextChar();
bool getNextLine(bool emptyLineWasDeleted = false);
bool isArrayOperator() const;
bool isBeforeComment() const;
bool isBeforeAnyComment() const;
bool isBeforeAnyLineEndComment(int startPos) const;
bool isBeforeMultipleLineEndComments(int startPos) const;
bool isBraceType(BraceType a, BraceType b) const;
bool isClassInitializer() const;
bool isClosingHeader(const std::string* header) const;
bool isCurrentBraceBroken() const;
bool isDereferenceOrAddressOf() const;
bool isExecSQL(std::string_view line, size_t index) const;
bool isEmptyLine(std::string_view line) const;
bool isExternC() const;
bool isMultiStatementLine() const;
bool isNextWordSharpNonParenHeader(int startChar) const;
bool isNonInStatementArrayBrace() const;
bool isOkToSplitFormattedLine();
bool isPointerOrReference() const;
bool isPointerOrReferenceCentered() const;
bool isPointerOrReferenceVariable(std::string_view word) const;
bool isPointerToPointer(std::string_view line, int currPos) const;
bool isSharpStyleWithParen(const std::string* header) const;
bool isStructAccessModified(const std::string& firstLine, size_t index) const;
bool isIndentablePreprocessorBlock(const std::string& firstLine, size_t index);
bool isNDefPreprocStatement(std::string_view nextLine_, std::string_view preproc) const;
bool isUnaryOperator() const;
bool isUniformInitializerBrace() const;
bool isImmediatelyPostCast() const;
bool isInExponent() const;
bool isInSwitchStatement() const;
bool isNextCharOpeningBrace(int startChar) const;
bool isOkToBreakBlock(BraceType braceType) const;
bool isOperatorPaddingDisabled() const;
bool pointerSymbolFollows() const;
int findObjCColonAlignment() const;
int getCurrentLineCommentAdjustment();
int getNextLineCommentAdjustment();
int isOneLineBlockReached(std::string_view line, int startChar) const;
void adjustComments();
void appendChar(char ch, bool canBreakLine);
void appendCharInsideComments();
void appendClosingHeader();
void appendOperator(std::string_view sequence, bool canBreakLine = true);
void appendSequence(std::string_view sequence, bool canBreakLine = true);
void appendSpacePad();
void appendSpaceAfter();
void breakLine(bool isSplitLine = false);
void buildLanguageVectors();
void updateFormattedLineSplitPoints(char appendedChar);
void updateFormattedLineSplitPointsOperator(std::string_view sequence);
void checkIfTemplateOpener();
void clearFormattedLineSplitPoints();
void convertTabToSpaces();
void deleteContainer(std::vector<BraceType>*& container);
void findReturnTypeSplitPoint(const std::string& firstLine);
void formatArrayRunIn();
void formatRunIn();
void formatArrayBraces(BraceType braceType, bool isOpeningArrayBrace);
void formatClosingBrace(BraceType braceType);
void formatCommentBody();
void formatCommentOpener();
void formatCommentCloser();
void formatLineCommentBody();
void formatLineCommentOpener();
void formatOpeningBrace(BraceType braceType);
void formatQuoteBody();
void formatQuoteOpener();
void formatPointerOrReference();
void formatPointerOrReferenceCast();
void formatPointerOrReferenceToMiddle();
void formatPointerOrReferenceToName();
void formatPointerOrReferenceToType();
void fixOptionVariableConflicts();
void goForward(int i);
void isLineBreakBeforeClosingHeader();
void initContainer(std::vector<BraceType>*& container, std::vector<BraceType>* value);
void initNewLine();
void padObjCMethodColon();
void padObjCMethodPrefix();
void padObjCParamType();
void padObjCReturnType();
void padOperators(const std::string* newOperator);
void padParensOrBrackets(char openDelim, char closeDelim, bool padFirstParen);
void processPreprocessor();
void resetEndOfStatement();
void setAttachClosingBraceMode(bool state);
void stripCommentPrefix();
void testForTimeToSplitFormattedLine();
void trimContinuationLine();
void updateFormattedLineSplitPointsPointerOrReference(size_t index);
size_t findFormattedLineSplitPoint() const;
size_t findNextChar(std::string_view line, char searchChar, int searchStart = 0) const;
const std::string* checkForHeaderFollowingComment(std::string_view firstLine) const;
const std::string* getFollowingOperator() const;
std::string getPreviousWord(const std::string& line, int currPos, bool allowDots = false) const;
std::string peekNextText(std::string_view firstLine,
bool endOnEmptyLine = false,
const std::shared_ptr<ASPeekStream>& streamArg = nullptr) const;
bool handleImmediatelyPostHeaderSection();
bool handlePassedSemicolonSection();
void handleAttachedReturnTypes();
void handleClosedBracesOrParens();
void handleBraces();
void handleBreakLine();
bool handlePotentialHeader(const std::string*&);
void handleEndOfBlock();
void handleColonSection();
void handlePotentialHeaderPart2();
void handlePotentialOperator(const std::string*&);
void handleParens();
void handleOpenParens();
void formatFirstOpenBrace(BraceType braceType);
void formatOpenBrace();
void formatCloseBrace(BraceType braceType);
private: // variables
int formatterFileType;
std::vector<const std::string*>* headers;
std::vector<const std::string*>* nonParenHeaders;
std::vector<const std::string*>* preDefinitionHeaders;
std::vector<const std::string*>* preCommandHeaders;
std::vector<const std::string*>* operators;
std::vector<const std::string*>* assignmentOperators;
std::vector<const std::string*>* castOperators;
std::vector<const std::pair<const std::string, const std::string>* >* indentableMacros; // for ASEnhancer
ASSourceIterator* sourceIterator;
ASEnhancer* enhancer;
std::vector<const std::string*>* preBraceHeaderStack;
std::vector<BraceType>* braceTypeStack;
std::vector<int>* parenStack;
std::vector<bool>* structStack;
std::vector<bool>* questionMarkStack;
std::string currentLine;
std::string formattedLine;
std::string readyFormattedLine;
std::string verbatimDelimiter;
const std::string* currentHeader;
const std::string* previousHeader;
char currentChar;
char previousChar;
char previousNonWSChar;
char previousCommandChar;
char quoteChar;
std::streamoff preprocBlockEnd;
int charNum;
int runInIndentChars;
int nextLineSpacePadNum;
int objCColonAlign;
int preprocBraceTypeStackSize;
int spacePadNum;
int tabIncrementIn;
int templateDepth;
int squareBracketCount;
int parenthesesCount;
size_t squeezeEmptyLineNum;
size_t squeezeEmptyLineCount;
size_t checksumIn;
size_t checksumOut;
size_t currentLineFirstBraceNum; // first brace location on currentLine
size_t formattedLineCommentNum; // comment location on formattedLine
size_t leadingSpaces;
size_t maxCodeLength;
size_t methodAttachCharNum;
size_t methodAttachLineNum;
size_t methodBreakCharNum;
size_t methodBreakLineNum;
// possible split points
size_t maxSemi; // probably a 'for' statement
size_t maxAndOr; // probably an 'if' statement
size_t maxComma;
size_t maxParen;
size_t maxWhiteSpace;
size_t maxSemiPending;
size_t maxAndOrPending;
size_t maxCommaPending;
size_t maxParenPending;
size_t maxWhiteSpacePending;
size_t previousReadyFormattedLineLength;
FormatStyle formattingStyle;
BraceMode braceFormatMode;
BraceType previousBraceType;
PointerAlign pointerAlignment;
ReferenceAlign referenceAlignment;
ObjCColonPad objCColonPadMode;
LineEndFormat lineEnd;
NegationPaddingMode negationPadMode;
IncludeDirectivePaddingMode includeDirectivePaddingMode;
bool isVirgin;
bool isInVirginLine;
bool shouldPadCommas;
bool shouldPadOperators;
bool shouldPadParensOutside;
bool shouldPadFirstParen;
bool shouldPadEmptyParens;
bool shouldPadParensInside;
bool shouldPadHeader;
bool shouldStripCommentPrefix;
bool shouldUnPadParens;
bool shouldConvertTabs;
bool shouldIndentCol1Comments;
bool shouldIndentPreprocBlock;
bool shouldCloseTemplates;
bool shouldAttachExternC;
bool shouldAttachNamespace;
bool shouldAttachClass;
bool shouldAttachClosingWhile;
bool shouldAttachInline;
bool isInLineComment;
bool isInComment;
bool isInCommentStartLine;
bool noTrimCommentContinuation;
bool isInPreprocessor;
bool isInPreprocessorDefineDef;
bool isInPreprocessorBeautify;
bool isInTemplate;
bool doesLineStartComment;
bool lineEndsInCommentOnly;
bool lineIsCommentOnly;
bool lineIsLineCommentOnly;
bool lineIsEmpty;
bool isImmediatelyPostCommentOnly;
bool isImmediatelyPostEmptyLine;
bool isInClassInitializer;
bool isInQuote;
bool isInVerbatimQuote;
bool checkInterpolation;
bool haveLineContinuationChar;
bool isInQuoteContinuation;
bool isHeaderInMultiStatementLine;
bool isSpecialChar;
bool isNonParenHeader;
bool foundQuestionMark;
bool foundPreDefinitionHeader;
bool foundNamespaceHeader;
bool foundClassHeader;
bool foundStructHeader;
bool foundInterfaceHeader;
bool foundPreCommandHeader;
bool foundPreCommandMacro;
bool foundTrailingReturnType;
bool foundCastOperator;
bool isInLineBreak;
bool endOfAsmReached;
bool endOfCodeReached;
bool lineCommentNoIndent;
bool isFormattingModeOff;
bool isInEnum;
bool isInStruct;
bool isInContinuedPreProc;
bool isInExecSQL;
bool isInAsm;
bool isInAsmOneLine;
bool isInAsmBlock;
bool isLineReady;
bool elseHeaderFollowsComments;
bool caseHeaderFollowsComments;
bool isPreviousBraceBlockRelated;
bool isInPotentialCalculation;
bool isCharImmediatelyPostComment;
bool isPreviousCharPostComment;
bool isCharImmediatelyPostLineComment;
bool isCharImmediatelyPostOpenBlock;
bool isCharImmediatelyPostCloseBlock;
bool isCharImmediatelyPostTemplate;
bool isCharImmediatelyPostReturn;
bool isCharImmediatelyPostThrow;
bool isCharImmediatelyPostNewDelete;
bool isCharImmediatelyPostOperator;
bool isCharImmediatelyPostPointerOrReference;
bool isInObjCMethodDefinition;
bool isInObjCInterface;
bool isInObjCReturnType;
bool isInObjCParam;
bool isInObjCSelector;
bool breakCurrentOneLineBlock;
bool shouldRemoveNextClosingBrace;
bool isInBraceRunIn;
bool returnTypeChecked;
bool currentLineBeginsWithBrace;
bool attachClosingBraceMode;
bool shouldBreakOneLineBlocks;
bool shouldBreakOneLineHeaders;
bool shouldBreakOneLineStatements;
bool shouldBreakClosingHeaderBraces;
bool shouldBreakElseIfs;
bool shouldBreakLineAfterLogical;
int shouldAddBraces;
bool shouldAddOneLineBraces;
bool shouldRemoveBraces;
bool shouldPadMethodColon;
bool shouldPadMethodPrefix;
bool shouldReparseCurrentChar;
bool shouldUnPadMethodPrefix;
bool shouldPadReturnType;
bool shouldUnPadReturnType;
bool shouldPadParamType;
bool shouldUnPadParamType;
bool shouldDeleteEmptyLines;
bool shouldBreakReturnType;
bool shouldBreakReturnTypeDecl;
bool shouldAttachReturnType;
bool shouldAttachReturnTypeDecl;
bool shouldPadBracketsOutside;
bool shouldPadBracketsInside;
bool shouldUnPadBrackets;
bool needHeaderOpeningBrace;
bool shouldBreakLineAtNextChar;
bool shouldKeepLineUnbroken;
bool passedSemicolon;
bool passedColon;
bool isImmediatelyPostNonInStmt;
bool isCharImmediatelyPostNonInStmt;
bool isImmediatelyPostComment;
bool isImmediatelyPostLineComment;
bool isImmediatelyPostEmptyBlock;
bool isImmediatelyPostObjCMethodPrefix;
bool isImmediatelyPostPreprocessor;
bool isImmediatelyPostReturn;
bool isImmediatelyPostThrow;
bool isImmediatelyPostNewDelete;
bool isImmediatelyPostOperator;
bool isImmediatelyPostTemplate;
bool isImmediatelyPostPointerOrReference;
bool shouldBreakBlocks;
bool shouldBreakClosingHeaderBlocks;
bool isPrependPostBlockEmptyLineRequested;
bool isAppendPostBlockEmptyLineRequested;
bool isIndentablePreprocessor;
bool isIndentablePreprocessorBlck;
bool prependEmptyLine;
bool appendOpeningBrace;
bool foundClosingHeader;
bool isInHeader;
bool isImmediatelyPostHeader;
bool isInCase;
bool isFirstPreprocConditional;
bool processedFirstConditional;
bool isJavaStaticConstructor;
bool isInAllocator;
bool isInMultlineStatement;
int isInExplicitBlock;
private: // inline functions
// append the CURRENT character (currentChar) to the current formatted line.
void appendCurrentChar(bool canBreakLine = true)
{ appendChar(currentChar, canBreakLine); }
// check if a specific sequence exists in the current placement of the current line
bool isSequenceReached(std::string_view sequence) const
{
return currentLine.compare(charNum, sequence.length(), sequence.data()) == 0;
}
// call ASBase::findHeader for the current character
const std::string* findHeader(const std::vector<const std::string*>* headers_)
{ return ASBase::findHeader(currentLine, charNum, headers_); }
// call ASBase::findOperator for the current character
const std::string* findOperator(const std::vector<const std::string*>* operators_)
{ return ASBase::findOperator(currentLine, charNum, operators_); }
}; // Class ASFormatter
//-----------------------------------------------------------------------------
// astyle namespace global declarations
//-----------------------------------------------------------------------------
// sort comparison functions for ASResource
bool sortOnLength(const std::string* a, const std::string* b);
bool sortOnName(const std::string* a, const std::string* b);
} // namespace astyle
// end of astyle namespace --------------------------------------------------
#endif // closes ASTYLE_H
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