/
pre.l
4038 lines (3872 loc) · 167 KB
/
pre.l
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/******************************************************************************
*
* Copyright (C) 1997-2020 by Dimitri van Heesch.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation under the terms of the GNU General Public License is hereby
* granted. No representations are made about the suitability of this software
* for any purpose. It is provided "as is" without express or implied warranty.
* See the GNU General Public License for more details.
*
* Documents produced by Doxygen are derivative works derived from the
* input used in their production; they are not affected by this license.
*
*/
%option never-interactive
%option prefix="preYY"
%option reentrant
%option extra-type="struct preYY_state *"
%top{
#include <stdint.h>
// forward declare yyscan_t to improve type safety
#define YY_TYPEDEF_YY_SCANNER_T
struct yyguts_t;
typedef yyguts_t *yyscan_t;
}
%{
/*
* includes
*/
#include "doxygen.h"
#include <stack>
#include <deque>
#include <algorithm>
#include <utility>
#include <mutex>
#include <thread>
#include <algorithm>
#include <cstdio>
#include <cassert>
#include <cctype>
#include <cerrno>
#include "qcstring.h"
#include "containers.h"
#include "pre.h"
#include "constexp.h"
#include "define.h"
#include "message.h"
#include "util.h"
#include "defargs.h"
#include "debug.h"
#include "bufstr.h"
#include "portable.h"
#include "bufstr.h"
#include "arguments.h"
#include "entry.h"
#include "condparser.h"
#include "config.h"
#include "filedef.h"
#include "regex.h"
#include "fileinfo.h"
#include "trace.h"
#include "debug.h"
#define YY_NO_UNISTD_H 1
[[maybe_unused]] static const char *stateToString(int state);
struct preYY_CondCtx
{
preYY_CondCtx(const QCString &file,int line,const QCString &id,bool b)
: fileName(file), lineNr(line), sectionId(id), skip(b) {}
QCString fileName;
int lineNr;
QCString sectionId;
bool skip;
};
struct FileState
{
FileState(uint32_t size) : fileBuf(size) {}
int lineNr = 1;
int curlyCount = 0;
BufStr fileBuf;
BufStr *oldFileBuf = 0;
int oldFileBufPos = 0;
YY_BUFFER_STATE bufState = 0;
QCString fileName;
bool lexRulesPart = false;
};
struct PreIncludeInfo
{
PreIncludeInfo(const QCString &fn,FileDef *srcFd, FileDef *dstFd,const QCString &iName,bool loc, bool imp)
: fileName(fn), fromFileDef(srcFd), toFileDef(dstFd), includeName(iName), local(loc), imported(imp)
{
}
QCString fileName; // file name in which the include statement was found
FileDef *fromFileDef; // filedef in which the include statement was found
FileDef *toFileDef; // filedef to which the include is pointing
QCString includeName; // name used in the #include statement
bool local; // is it a "local" or <global> include
bool imported; // include via "import" keyword (Objective-C)
};
/** A dictionary of managed Define objects. */
typedef std::map< std::string, Define > DefineMap;
/** @brief Class that manages the defines available while
* preprocessing files.
*/
class DefineManager
{
private:
/** Local class used to hold the defines for a single file */
class DefinesPerFile
{
public:
/** Creates an empty container for defines */
DefinesPerFile(DefineManager *parent)
: m_parent(parent)
{
}
void addInclude(const std::string &fileName)
{
m_includedFiles.insert(fileName);
}
void store(const DefineMap &fromMap)
{
for (auto &[name,define] : fromMap)
{
m_defines.emplace(name,define);
}
//printf(" m_defines.size()=%zu\n",m_defines.size());
m_stored=true;
}
void retrieve(DefineMap &toMap)
{
StringSet includeStack;
retrieveRec(toMap,includeStack);
}
void retrieveRec(DefineMap &toMap,StringSet &includeStack)
{
//printf(" retrieveRec #includedFiles=%zu\n",m_includedFiles.size());
for (auto incFile : m_includedFiles)
{
DefinesPerFile *dpf = m_parent->find(incFile);
if (dpf && includeStack.find(incFile)==includeStack.end())
{
includeStack.insert(incFile);
dpf->retrieveRec(toMap,includeStack);
//printf(" retrieveRec: processing include %s: #toMap=%zu\n",qPrint(incFile),toMap.size());
}
}
for (auto &[name,define] : m_defines)
{
toMap.emplace(name,define);
}
}
bool stored() const { return m_stored; }
private:
DefineManager *m_parent;
DefineMap m_defines;
StringSet m_includedFiles;
bool m_stored = false;
};
friend class DefinesPerFile;
public:
void addInclude(const std::string &fromFileName,const std::string &toFileName)
{
//printf("DefineManager::addInclude('%s'->'%s')\n",fromFileName.c_str(),toFileName.c_str());
auto it = m_fileMap.find(fromFileName);
if (it==m_fileMap.end())
{
it = m_fileMap.emplace(fromFileName,std::make_unique<DefinesPerFile>(this)).first;
}
auto &dpf = it->second;
dpf->addInclude(toFileName);
}
void store(const std::string &fileName,const DefineMap &fromMap)
{
//printf("DefineManager::store(%s,#=%zu)\n",fileName.c_str(),fromMap.size());
auto it = m_fileMap.find(fileName);
if (it==m_fileMap.end())
{
it = m_fileMap.emplace(fileName,std::make_unique<DefinesPerFile>(this)).first;
}
it->second->store(fromMap);
}
void retrieve(const std::string &fileName,DefineMap &toMap)
{
auto it = m_fileMap.find(fileName);
if (it!=m_fileMap.end())
{
auto &dpf = it->second;
dpf->retrieve(toMap);
}
//printf("DefineManager::retrieve(%s,#=%zu)\n",fileName.c_str(),toMap.size());
}
bool alreadyProcessed(const std::string &fileName) const
{
auto it = m_fileMap.find(fileName);
if (it!=m_fileMap.end())
{
return it->second->stored();
}
return false;
}
private:
/** Helper function to return the DefinesPerFile object for a given file name. */
DefinesPerFile *find(const std::string &fileName) const
{
auto it = m_fileMap.find(fileName);
return it!=m_fileMap.end() ? it->second.get() : nullptr;
}
std::unordered_map< std::string, std::unique_ptr<DefinesPerFile> > m_fileMap;
};
/* -----------------------------------------------------------------
*
* global state
*/
static std::mutex g_debugMutex;
static std::mutex g_globalDefineMutex;
static std::mutex g_updateGlobals;
static DefineManager g_defineManager;
/* -----------------------------------------------------------------
*
* scanner's state
*/
struct preYY_state
{
int yyLineNr = 1;
int yyMLines = 1;
int yyColNr = 1;
QCString fileName;
FileDef *yyFileDef = 0;
FileDef *inputFileDef = 0;
int ifcount = 0;
int defArgs = -1;
QCString defName;
QCString defText;
QCString defLitText;
QCString defArgsStr;
QCString defExtraSpacing;
bool defContinue = false;
bool defVarArgs = false;
int lastCContext = 0;
int lastCPPContext = 0;
BufStr *inputBuf = 0;
int inputBufPos = 0;
BufStr *outputBuf = 0;
int roundCount = 0;
bool quoteArg = false;
bool idStart = false;
int findDefArgContext = 0;
bool expectGuard = false;
QCString guardName;
QCString lastGuardName;
QCString incName;
QCString guardExpr;
int curlyCount = 0;
bool nospaces = false; // add extra spaces during macro expansion
int javaBlock = 0;
bool macroExpansion = false; // from the configuration
bool expandOnlyPredef = false; // from the configuration
QCString potentialDefine;
int commentCount = 0;
bool insideComment = false;
bool isImported = false;
QCString blockName;
int condCtx = 0;
bool skip = false;
bool insideIDL = false;
bool insideCS = false; // C# has simpler preprocessor
bool insideFtn = false;
bool isSource = false;
yy_size_t fenceSize = 0;
bool ccomment = false;
QCString delimiter;
bool isSpecialComment = false;
StringVector pathList;
IntMap argMap;
BoolStack levelGuard;
std::stack< std::unique_ptr<preYY_CondCtx> > condStack;
std::deque< std::unique_ptr<FileState> > includeStack;
std::unordered_map<std::string,Define*> expandedDict;
StringUnorderedSet expanded;
ConstExpressionParser constExpParser;
DefineMap contextDefines; // macros imported from other files
DefineMap localDefines; // macros defined in this file
DefineList macroDefinitions;
LinkedMap<PreIncludeInfo> includeRelations;
int lastContext = 0;
bool lexRulesPart = false;
};
// stateless functions
static QCString escapeAt(const QCString &text);
static QCString extractTrailingComment(const QCString &s);
static char resolveTrigraph(char c);
// stateful functions
static inline void outputArray(yyscan_t yyscanner,const char *a,yy_size_t len);
static inline void outputString(yyscan_t yyscanner,const QCString &s);
static inline void outputChar(yyscan_t yyscanner,char c);
static inline void outputSpaces(yyscan_t yyscanner,char *s);
static inline void outputSpace(yyscan_t yyscanner,char c);
static inline void extraSpacing(yyscan_t yyscanner);
static QCString expandMacro(yyscan_t yyscanner,const QCString &name);
static void readIncludeFile(yyscan_t yyscanner,const QCString &inc);
static void incrLevel(yyscan_t yyscanner);
static void decrLevel(yyscan_t yyscanner);
static void setCaseDone(yyscan_t yyscanner,bool value);
static bool otherCaseDone(yyscan_t yyscanner);
static bool computeExpression(yyscan_t yyscanner,const QCString &expr);
static void startCondSection(yyscan_t yyscanner,const QCString §Id);
static void endCondSection(yyscan_t yyscanner);
static void addMacroDefinition(yyscan_t yyscanner);
static void addDefine(yyscan_t yyscanner);
static void setFileName(yyscan_t yyscanner,const QCString &name);
static int yyread(yyscan_t yyscanner,char *buf,int max_size);
static Define * isDefined(yyscan_t yyscanner,const QCString &name);
static void determineBlockName(yyscan_t yyscanner);
/* ----------------------------------------------------------------- */
#undef YY_INPUT
#define YY_INPUT(buf,result,max_size) result=yyread(yyscanner,buf,max_size);
// otherwise the filename would be the name of the converted file (*.cpp instead of *.l)
static inline const char *getLexerFILE() {return __FILE__;}
#include "doxygen_lex.h"
/* ----------------------------------------------------------------- */
%}
IDSTART [a-z_A-Z\x80-\xFF]
ID {IDSTART}[a-z_A-Z0-9\x80-\xFF]*
B [ \t]
Bopt {B}*
BN [ \t\r\n]
RAWBEGIN (u|U|L|u8)?R\"[^ \t\(\)\\]{0,16}"("
RAWEND ")"[^ \t\(\)\\]{0,16}\"
CHARLIT (("'"\\[0-7]{1,3}"'")|("'"\\."'")|("'"[^'\\\n]{1,4}"'"))
FORMULA_START [\\@]("f{"|"f$"|"f["|"f(")
FORMULA_END [\\@]("f}"|"f$"|"f]"|"f)")
VERBATIM_START [\\@]("verbatim"|"iliteral"|"latexonly"|"htmlonly"|"xmlonly"|"docbookonly"|"rtfonly"|"manonly"|"dot"|"msc"|"startuml"|"code"("{"[^}]*"}")?){BN}+
VERBATIM_END [\\@]("endverbatim"|"endiliteral"|"endlatexonly"|"endhtmlonly"|"endxmlonly"|"enddocbookonly"|"endrtfonly"|"endmanonly"|"enddot"|"endmsc"|"enduml"|"endcode")
VERBATIM_LINE [\\@]"noop"{B}+
LITERAL_BLOCK {FORMULA_START}|{VERBATIM_START}
LITERAL_BLOCK_END {FORMULA_END}|{VERBATIM_END}
// some rule pattern information for rules to handle lex files
nl (\r\n|\r|\n)
RulesDelim "%%"{nl}
RulesSharp "<"[^>\n]*">"
RulesCurly "{"[^{}\n]*"}"
StartSquare "["
StartDouble "\""
StartRound "("
StartRoundQuest "(?"
EscapeRulesCharOpen "\\["|"\\<"|"\\{"|"\\("|"\\\""|"\\ "|"\\\\"
EscapeRulesCharClose "\\]"|"\\>"|"\\}"|"\\)"
EscapeRulesChar {EscapeRulesCharOpen}|{EscapeRulesCharClose}
CHARCE "[:"[^:]*":]"
// C start comment
CCS "/\*"
// C end comment
CCE "*\/"
// Cpp comment
CPPC "/\/"
// optional characters after import
ENDIMPORTopt [^\\\n]*
// Optional white space
WSopt [ \t\r]*
%option noyywrap
%x Start
%x Command
%x SkipCommand
%x SkipLine
%x SkipString
%x CopyLine
%x LexCopyLine
%x CopyString
%x CopyStringCs
%x CopyStringFtn
%x CopyStringFtnDouble
%x CopyRawString
%x Include
%x IncludeID
%x EndImport
%x DefName
%x DefineArg
%x DefineText
%x SkipCPPBlock
%x SkipCComment
%x ArgCopyCComment
%x CopyCComment
%x SkipVerbatim
%x SkipCondVerbatim
%x SkipCPPComment
%x JavaDocVerbatimCode
%x RemoveCComment
%x RemoveCPPComment
%x Guard
%x DefinedExpr1
%x DefinedExpr2
%x SkipDoubleQuote
%x SkipSingleQuote
%x UndefName
%x IgnoreLine
%x FindDefineArgs
%x ReadString
%x CondLineC
%x CondLineCpp
%x SkipCond
%x IDLquote
%x RulesPattern
%x RulesDouble
%x RulesRoundDouble
%x RulesSquare
%x RulesRoundSquare
%x RulesRound
%x RulesRoundQuest
%%
<*>\x06
<*>\x00
<*>\r
<*>"??"[=/'()!<>-] { // Trigraph
unput(resolveTrigraph(yytext[2]));
}
<Start>^{B}*"#" {
yyextra->yyColNr+=(int)yyleng;
yyextra->yyMLines=0;
yyextra->potentialDefine=yytext;
BEGIN(Command);
}
<Start>^("%top{"|"%{") {
if (getLanguageFromFileName(yyextra->fileName)!=SrcLangExt_Lex) REJECT
outputArray(yyscanner,yytext,yyleng);
BEGIN(LexCopyLine);
}
<Start>^{Bopt}"cpp_quote"{Bopt}"("{Bopt}\" {
if (yyextra->insideIDL)
{
BEGIN(IDLquote);
}
else
{
REJECT;
}
}
<IDLquote>"\\\\" {
outputArray(yyscanner,"\\",1);
}
<IDLquote>"\\\"" {
outputArray(yyscanner,"\"",1);
}
<IDLquote>"\""{Bopt}")" {
BEGIN(Start);
}
<IDLquote>\n {
outputChar(yyscanner,'\n');
yyextra->yyLineNr++;
}
<IDLquote>. {
outputArray(yyscanner,yytext,yyleng);
}
<Start>^{Bopt}/[^#] {
outputArray(yyscanner,yytext,yyleng);
BEGIN(CopyLine);
}
<Start>^{B}*[a-z_A-Z\x80-\xFF][a-z_A-Z0-9\x80-\xFF]+{B}*"("[^\)\n]*")"/{BN}{1,10}*[:{] { // constructors?
int i;
for (i=(int)yyleng-1;i>=0;i--)
{
unput(yytext[i]);
}
BEGIN(CopyLine);
}
<Start>^{B}*[_A-Z][_A-Z0-9]+{B}*"("[^\(\)\n]*"("[^\)\n]*")"[^\)\n]*")"{B}*\n | // function list macro with one (...) argument, e.g. for K_GLOBAL_STATIC_WITH_ARGS
<Start>^{B}*[_A-Z][_A-Z0-9]+{B}*"("[^\)\n]*")"{B}*\n | // function like macro
<Start>^{B}*[_A-Z][_A-Z0-9]+{B}*"("[^\(\)\n]*"("[^\)\n]*")"[^\)\n]*")"/{B}*("//"|"/\*") | // function list macro with one (...) argument followed by comment
<Start>^{B}*[_A-Z][_A-Z0-9]+{B}*"("[^\)\n]*")"/{B}*("//"|"/\*") { // function like macro followed by comment
bool skipFuncMacros = Config_getBool(SKIP_FUNCTION_MACROS);
QCString name(yytext);
int pos = name.find('(');
if (pos<0) pos=0; // should never happen
name=name.left(pos).stripWhiteSpace();
Define *def=0;
if (skipFuncMacros && !yyextra->insideFtn &&
name!="Q_PROPERTY" &&
!(
(yyextra->includeStack.empty() || yyextra->curlyCount>0) &&
yyextra->macroExpansion &&
(def=isDefined(yyscanner,name)) &&
/*macroIsAccessible(def) &&*/
(!yyextra->expandOnlyPredef || def->isPredefined)
)
)
{
// Only when ends on \n
if (yytext[yyleng-1] == '\n')
{
outputChar(yyscanner,'\n');
yyextra->yyLineNr++;
}
}
else // don't skip
{
int i;
for (i=(int)yyleng-1;i>=0;i--)
{
unput(yytext[i]);
}
BEGIN(CopyLine);
}
}
<CopyLine,LexCopyLine>"extern"{BN}*"\""[^\"]+"\""{BN}*("{")? {
QCString text=yytext;
yyextra->yyLineNr+=text.contains('\n');
outputArray(yyscanner,yytext,yyleng);
}
<CopyLine,LexCopyLine>{RAWBEGIN} {
yyextra->delimiter = yytext+2;
yyextra->delimiter=yyextra->delimiter.left(yyextra->delimiter.length()-1);
outputArray(yyscanner,yytext,yyleng);
BEGIN(CopyRawString);
}
<CopyLine,LexCopyLine>"{" { // count brackets inside the main file
if (yyextra->includeStack.empty())
{
yyextra->curlyCount++;
}
outputChar(yyscanner,*yytext);
}
<LexCopyLine>^"%}" {
outputArray(yyscanner,yytext,yyleng);
}
<CopyLine,LexCopyLine>"}" { // count brackets inside the main file
if (yyextra->includeStack.empty() && yyextra->curlyCount>0)
{
yyextra->curlyCount--;
}
outputChar(yyscanner,*yytext);
}
<CopyLine,LexCopyLine>"'"\\[0-7]{1,3}"'" {
outputArray(yyscanner,yytext,yyleng);
}
<CopyLine,LexCopyLine>"'"\\."'" {
outputArray(yyscanner,yytext,yyleng);
}
<CopyLine,LexCopyLine>"'"."'" {
outputArray(yyscanner,yytext,yyleng);
}
<CopyLine,LexCopyLine>@\" {
if (getLanguageFromFileName(yyextra->fileName)!=SrcLangExt_CSharp) REJECT;
outputArray(yyscanner,yytext,yyleng);
BEGIN( CopyStringCs );
}
<CopyLine,LexCopyLine>\" {
outputChar(yyscanner,*yytext);
if (getLanguageFromFileName(yyextra->fileName)!=SrcLangExt_Fortran)
{
BEGIN( CopyString );
}
else
{
BEGIN( CopyStringFtnDouble );
}
}
<CopyLine,LexCopyLine>\' {
if (getLanguageFromFileName(yyextra->fileName)!=SrcLangExt_Fortran) REJECT;
outputChar(yyscanner,*yytext);
BEGIN( CopyStringFtn );
}
<CopyString>[^\"\\\r\n]+ {
outputArray(yyscanner,yytext,yyleng);
}
<CopyStringCs>[^\"\r\n]+ {
outputArray(yyscanner,yytext,yyleng);
}
<CopyString>\\. {
outputArray(yyscanner,yytext,yyleng);
}
<CopyString,CopyStringCs>\" {
outputChar(yyscanner,*yytext);
BEGIN( CopyLine );
}
<CopyStringFtnDouble>[^\"\\\r\n]+ {
outputArray(yyscanner,yytext,yyleng);
}
<CopyStringFtnDouble>\\. {
outputArray(yyscanner,yytext,yyleng);
}
<CopyStringFtnDouble>\" {
outputChar(yyscanner,*yytext);
BEGIN( CopyLine );
}
<CopyStringFtn>[^\'\\\r\n]+ {
outputArray(yyscanner,yytext,yyleng);
}
<CopyStringFtn>\\. {
outputArray(yyscanner,yytext,yyleng);
}
<CopyStringFtn>\' {
outputChar(yyscanner,*yytext);
BEGIN( CopyLine );
}
<CopyRawString>{RAWEND} {
outputArray(yyscanner,yytext,yyleng);
QCString delimiter = yytext+1;
delimiter=delimiter.left(delimiter.length()-1);
if (delimiter==yyextra->delimiter)
{
BEGIN( CopyLine );
}
}
<CopyRawString>[^)]+ {
outputArray(yyscanner,yytext,yyleng);
}
<CopyRawString>. {
outputChar(yyscanner,*yytext);
}
<CopyLine,LexCopyLine>{ID}/{BN}{0,80}"(" {
yyextra->expectGuard = FALSE;
Define *def=0;
//def=yyextra->globalDefineDict->find(yytext);
//def=isDefined(yyscanner,yytext);
//printf("Search for define %s found=%d yyextra->includeStack.empty()=%d "
// "yyextra->curlyCount=%d yyextra->macroExpansion=%d yyextra->expandOnlyPredef=%d "
// "isPreDefined=%d\n",yytext,def ? 1 : 0,
// yyextra->includeStack.empty(),yyextra->curlyCount,yyextra->macroExpansion,yyextra->expandOnlyPredef,
// def ? def->isPredefined : -1
// );
if ((yyextra->includeStack.empty() || yyextra->curlyCount>0) &&
yyextra->macroExpansion &&
(def=isDefined(yyscanner,yytext)) &&
(!yyextra->expandOnlyPredef || def->isPredefined)
)
{
//printf("Found it! #args=%d\n",def->nargs);
yyextra->roundCount=0;
yyextra->defArgsStr=yytext;
if (def->nargs==-1) // no function macro
{
QCString result = def->isPredefined && !def->expandAsDefined ?
def->definition :
expandMacro(yyscanner,yyextra->defArgsStr);
outputString(yyscanner,result);
}
else // zero or more arguments
{
yyextra->findDefArgContext = CopyLine;
BEGIN(FindDefineArgs);
}
}
else
{
outputArray(yyscanner,yytext,yyleng);
}
}
<CopyLine>{RulesDelim} {
if (getLanguageFromFileName(yyextra->fileName)!=SrcLangExt_Lex) REJECT;
yyextra->lexRulesPart = !yyextra->lexRulesPart;
outputArray(yyscanner,yytext,yyleng);
}
/* start lex rule handling */
<CopyLine>{RulesSharp} {
if (!yyextra->lexRulesPart) REJECT;
outputArray(yyscanner,yytext,yyleng);
BEGIN(RulesPattern);
}
<RulesPattern>{EscapeRulesChar} {
outputArray(yyscanner,yytext,yyleng);
}
<RulesPattern>{RulesCurly} {
outputArray(yyscanner,yytext,yyleng);
}
<RulesPattern>{StartDouble} {
outputArray(yyscanner,yytext,yyleng);
yyextra->lastContext = YY_START;
BEGIN(RulesDouble);
}
<RulesDouble,RulesRoundDouble>"\\\\" {
outputArray(yyscanner,yytext,yyleng);
}
<RulesDouble,RulesRoundDouble>"\\\"" {
outputArray(yyscanner,yytext,yyleng);
}
<RulesDouble>"\"" {
outputArray(yyscanner,yytext,yyleng);
BEGIN( yyextra->lastContext ) ;
}
<RulesRoundDouble>"\"" {
outputArray(yyscanner,yytext,yyleng);
BEGIN(RulesRound) ;
}
<RulesDouble,RulesRoundDouble>. {
outputArray(yyscanner,yytext,yyleng);
}
<RulesPattern>{StartSquare} {
outputArray(yyscanner,yytext,yyleng);
yyextra->lastContext = YY_START;
BEGIN(RulesSquare);
}
<RulesSquare,RulesRoundSquare>{CHARCE} {
outputArray(yyscanner,yytext,yyleng);
}
<RulesSquare,RulesRoundSquare>"\\[" |
<RulesSquare,RulesRoundSquare>"\\]" {
outputArray(yyscanner,yytext,yyleng);
}
<RulesSquare>"]" {
outputArray(yyscanner,yytext,yyleng);
BEGIN(RulesPattern);
}
<RulesRoundSquare>"]" {
outputArray(yyscanner,yytext,yyleng);
BEGIN(RulesRound) ;
}
<RulesSquare,RulesRoundSquare>"\\\\" {
outputArray(yyscanner,yytext,yyleng);
}
<RulesSquare,RulesRoundSquare>. {
outputArray(yyscanner,yytext,yyleng);
}
<RulesPattern>{StartRoundQuest} {
outputArray(yyscanner,yytext,yyleng);
yyextra->lastContext = YY_START;
BEGIN(RulesRoundQuest);
}
<RulesRoundQuest>{nl} {
outputArray(yyscanner,yytext,yyleng);
}
<RulesRoundQuest>[^)] {
outputArray(yyscanner,yytext,yyleng);
}
<RulesRoundQuest>")" {
outputArray(yyscanner,yytext,yyleng);
BEGIN(yyextra->lastContext);
}
<RulesPattern>{StartRound} {
yyextra->roundCount++;
outputArray(yyscanner,yytext,yyleng);
yyextra->lastContext = YY_START;
BEGIN(RulesRound);
}
<RulesRound>{RulesCurly} {
outputArray(yyscanner,yytext,yyleng);
}
<RulesRound>{StartSquare} {
outputArray(yyscanner,yytext,yyleng);
BEGIN(RulesRoundSquare);
}
<RulesRound>{StartDouble} {
outputArray(yyscanner,yytext,yyleng);
BEGIN(RulesRoundDouble);
}
<RulesRound>{EscapeRulesChar} {
outputArray(yyscanner,yytext,yyleng);
}
<RulesRound>"(" {
yyextra->roundCount++;
outputArray(yyscanner,yytext,yyleng);
}
<RulesRound>")" {
yyextra->roundCount--;
outputArray(yyscanner,yytext,yyleng);
if (!yyextra->roundCount) BEGIN( yyextra->lastContext ) ;
}
<RulesRound>{nl} {
outputArray(yyscanner,yytext,yyleng);
}
<RulesRound>{B} {
outputArray(yyscanner,yytext,yyleng);
}
<RulesRound>. {
outputArray(yyscanner,yytext,yyleng);
}
<RulesPattern>{B} {
outputArray(yyscanner,yytext,yyleng);
BEGIN(CopyLine);
}
<RulesPattern>. {
outputArray(yyscanner,yytext,yyleng);
}
/* end lex rule handling */
<CopyLine,LexCopyLine>{ID} {
Define *def=0;
if ((yyextra->includeStack.empty() || yyextra->curlyCount>0) &&
yyextra->macroExpansion &&
(def=isDefined(yyscanner,yytext)) &&
def->nargs==-1 &&
(!yyextra->expandOnlyPredef || def->isPredefined)
)
{
QCString result=def->isPredefined && !def->expandAsDefined ?
def->definition :
expandMacro(yyscanner,yytext);
outputString(yyscanner,result);
}
else
{
outputArray(yyscanner,yytext,yyleng);
}
}
<CopyLine,LexCopyLine>"\\"\r?/\n { // strip line continuation characters
if (getLanguageFromFileName(yyextra->fileName)==SrcLangExt_Fortran) outputChar(yyscanner,*yytext);
}
<CopyLine,LexCopyLine>\\. {
outputArray(yyscanner,yytext,(int)yyleng);
}
<CopyLine,LexCopyLine>. {
outputChar(yyscanner,*yytext);
}
<CopyLine,LexCopyLine>\n {
outputChar(yyscanner,'\n');
BEGIN(Start);
yyextra->yyLineNr++;
yyextra->yyColNr=1;
}
<FindDefineArgs>"(" {
yyextra->defArgsStr+='(';
yyextra->roundCount++;
}
<FindDefineArgs>")" {
yyextra->defArgsStr+=')';
yyextra->roundCount--;
if (yyextra->roundCount==0)
{
QCString result=expandMacro(yyscanner,yyextra->defArgsStr);
//printf("yyextra->defArgsStr='%s'->'%s'\n",qPrint(yyextra->defArgsStr),qPrint(result));
if (yyextra->findDefArgContext==CopyLine)
{
outputString(yyscanner,result);
BEGIN(yyextra->findDefArgContext);
}
else // yyextra->findDefArgContext==IncludeID
{
readIncludeFile(yyscanner,result);
yyextra->nospaces=FALSE;
BEGIN(Start);
}
}
}
/*
<FindDefineArgs>")"{B}*"(" {
yyextra->defArgsStr+=yytext;
}
*/
<FindDefineArgs>{CHARLIT} {
yyextra->defArgsStr+=yytext;
}
<FindDefineArgs>{CCS}[*]? {
yyextra->defArgsStr+=yytext;
BEGIN(ArgCopyCComment);
}
<FindDefineArgs>\" {
yyextra->defArgsStr+=*yytext;
BEGIN(ReadString);
}
<FindDefineArgs>' {
if (getLanguageFromFileName(yyextra->fileName)!=SrcLangExt_Fortran) REJECT;
yyextra->defArgsStr+=*yytext;
BEGIN(ReadString);
}
<FindDefineArgs>\n {
yyextra->defArgsStr+=' ';
yyextra->yyLineNr++;
outputChar(yyscanner,'\n');
}
<FindDefineArgs>"@" {
yyextra->defArgsStr+="@@";
}
<FindDefineArgs>. {
yyextra->defArgsStr+=*yytext;
}
<ArgCopyCComment>[^*\n]+ {
yyextra->defArgsStr+=yytext;
}
<ArgCopyCComment>{CCE} {
yyextra->defArgsStr+=yytext;
BEGIN(FindDefineArgs);
}
<ArgCopyCComment>\n {
yyextra->defArgsStr+=' ';
yyextra->yyLineNr++;
outputChar(yyscanner,'\n');
}
<ArgCopyCComment>. {
yyextra->defArgsStr+=yytext;
}
<ReadString>"\"" {
yyextra->defArgsStr+=*yytext;
BEGIN(FindDefineArgs);
}
<ReadString>"'" {
if (getLanguageFromFileName(yyextra->fileName)!=SrcLangExt_Fortran) REJECT;
yyextra->defArgsStr+=*yytext;
BEGIN(FindDefineArgs);
}
<ReadString>{CPPC}|{CCS} {
yyextra->defArgsStr+=yytext;
}
<ReadString>\\/\r?\n { // line continuation
}
<ReadString>\\. {
yyextra->defArgsStr+=yytext;
}
<ReadString>. {
yyextra->defArgsStr+=*yytext;
}
<Command>("include"|"import"){B}+/{ID} {
yyextra->isImported = yytext[1]=='m';
if (yyextra->macroExpansion)
BEGIN(IncludeID);
}
<Command>("include"|"import"){B}*[<"] {
yyextra->isImported = yytext[1]=='m';
char c[2];
c[0]=yytext[yyleng-1];c[1]='\0';
yyextra->incName=c;
BEGIN(Include);
}
<Command>("cmake")?"define"{B}+ {
yyextra->potentialDefine += substitute(yytext,"cmake"," ");
//printf("!!!DefName\n");
yyextra->yyColNr+=(int)yyleng;
BEGIN(DefName);
}
<Command>"ifdef"/{B}*"(" {
incrLevel(yyscanner);
yyextra->guardExpr.resize(0);
BEGIN(DefinedExpr2);
}
<Command>"ifdef"/{B}+ {
//printf("Pre.l: ifdef\n");
incrLevel(yyscanner);
yyextra->guardExpr.resize(0);
BEGIN(DefinedExpr1);
}
<Command>"ifndef"/{B}*"(" {
incrLevel(yyscanner);
yyextra->guardExpr="! ";
BEGIN(DefinedExpr2);
}
<Command>"ifndef"/{B}+ {
incrLevel(yyscanner);
yyextra->guardExpr="! ";
BEGIN(DefinedExpr1);
}
<Command>"if"/[ \t(!] {
incrLevel(yyscanner);
yyextra->guardExpr.resize(0);
BEGIN(Guard);
}
<Command>("elif"|"else"{B}*"if")/[ \t(!] {
if (!otherCaseDone(yyscanner))
{
yyextra->guardExpr.resize(0);
BEGIN(Guard);
}
else
{
yyextra->ifcount=0;
BEGIN(SkipCPPBlock);
}
}
<Command>"else"/[^a-z_A-Z0-9\x80-\xFF] {
if (otherCaseDone(yyscanner))
{