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|
/******************************************************************************
*
* Copyright (C) 1997-2021 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="lexcodeYY"
%option noyywrap
%option reentrant
%option extra-type="struct lexcodeYY_state *"
%top{
#include <stdint.h>
}
%{
#include <stdio.h>
#include "config.h"
#include "doxygen.h"
#include "outputgen.h"
#include "code.h"
#include "lexcode.h"
#include "filedef.h"
#include "message.h"
#define YY_NEVER_INTERACTIVE 1
#define YY_NO_INPUT 1
#define YY_NO_UNISTD_H 1
#define USE_STATE2STRING 0
struct lexcodeYY_state
{
CodeOutputInterface * code;
CCodeParser ccodeParser;
const char *inputString; //!< the code fragment as text
yy_size_t inputPosition; //!< read offset during parsing
int inputLines; //!< number of line in the code fragment
int yyLineNr; //!< current line number
bool needsTermination;
bool lineNumbers = FALSE;
const Definition *searchCtx;
bool collectXRefs = FALSE;
int lastContext = 0;
int lastCContext = 0;
int lastStringContext = 0;
int docBlockContext = 0;
int lastPreLineCtrlContext = 0;
int lastRawStringContext = 0;
int curlyCount = 0;
QCString rulesPatternBuffer;
QCString CCodeBuffer;
int startCCodeLine = -1;
int roundCount = 0;
bool insideCode = FALSE;
QCString delimiter;
QCString docBlockName;
uint fencedSize = 0;
bool nestedComment = false;
bool exampleBlock;
QCString exampleName;
QCString classScope;
FileDef *sourceFileDef;
const Definition *currentDefinition;
const MemberDef *currentMemberDef;
bool includeCodeFragment;
const char *currentFontClass;
};
#if USE_STATE2STRING
static const char *stateToString(int state);
#endif
static void setCurrentDoc(yyscan_t yyscanner,const QCString &anchor);
static void startCodeLine(yyscan_t yyscanner);
static void endFontClass(yyscan_t yyscanner);
static void endCodeLine(yyscan_t yyscanner);
static void nextCodeLine(yyscan_t yyscanner);
static void codifyLines(yyscan_t yyscanner,const QCString &text);
static void startFontClass(yyscan_t yyscanner,const char *s);
static int countLines(yyscan_t yyscanner);
static yy_size_t yyread(yyscan_t yyscanner,char *buf,yy_size_t max_size);
static void lineCount(yyscan_t yyscanner);
static void handleCCode(yyscan_t yyscanner);
#undef YY_INPUT
#define YY_INPUT(buf,result,max_size) result=yyread(yyscanner,buf,max_size);
%}
nl (\r\n|\r|\n)
ws [ \t]
nws [^ \t\n]
TopStart "%top{"{nl}
TopEnd "}"{nl}
LiteralStart "%{"{nl}
LiteralEnd "%}"{nl}
RulesStart "%%"{nl}
RulesEnd "%%"{nl}
RulesSharp "<"[^>\n]*">"
RulesCurly "{"[^{}\n]*"}"
StartSquare "["
StartDouble "\""
StartRound "("
StartRoundQuest "(?"
EscapeRulesCharOpen "\\["|"\\<"|"\\{"|"\\("|"\\\""|"\\ "|"\\\\"
EscapeRulesCharClose "\\]"|"\\>"|"\\}"|"\\)"
EscapeRulesChar {EscapeRulesCharOpen}|{EscapeRulesCharClose}
CMD ("\\"|"@")
BN [ \t\n\r]
BL [ \t\r]*"\n"
B [ \t]
Bopt {B}*
ID "$"?[a-z_A-Z\x80-\xFF][a-z_A-Z0-9\x80-\xFF]*
PRE [pP][rR][eE]
CODE [cC][oO][dD][eE]
RAWBEGIN (u|U|L|u8)?R\"[^ \t\(\)\\]{0,16}"("
RAWEND ")"[^ \t\(\)\\]{0,16}\"
CHARLIT (("'"\\[0-7]{1,3}"'")|("'"\\."'")|("'"[^'\\\n]{1,4}"'"))
CHARCE "[:"[^:]*":]"
/* no comment start / end signs inside square brackets */
NCOMM [^/\*]
// C start comment
CCS "/\*"
// C end comment
CCE "*\/"
// Cpp comment
CPPC "/\/"
// doxygen start comment
DCOMM ("/\*!"|"/\**"|"/\/!"|"/\/\/")
// Optional any character
ANYopt .*
// Optional all but newline
NONLopt [^\n]*
%x DefSection
%x DefSectionLine
%x RulesSectionInit
%x RulesPattern
%x RulesDouble
%x RulesRoundDouble
%x RulesSquare
%x RulesRoundSquare
%x RulesRound
%x RulesRoundQuest
%x UserSection
%x TopSection
%x LiteralSection
%x COMMENT
%x SkipCurly
%x SkipCurlyEndDoc
%x PreLineCtrl
%x DocLine
%x DocBlock
%x DocCopyBlock
%x SkipString
%x RawString
%x SkipComment
%x SkipCxxComment
%x Comment
%%
<*>\x0d
<DefSection>^{TopStart} {
handleCCode(yyscanner);
codifyLines(yyscanner,yytext);
yyextra->lastContext = YY_START;
yyextra->startCCodeLine=yyextra->yyLineNr;
BEGIN (TopSection);
}
<DefSection>^{LiteralStart} {
handleCCode(yyscanner);
codifyLines(yyscanner,yytext);
yyextra->lastContext = YY_START;
yyextra->startCCodeLine=yyextra->yyLineNr;
BEGIN (LiteralSection);
}
<TopSection>^{TopEnd} {
handleCCode(yyscanner);
codifyLines(yyscanner,yytext);
BEGIN( yyextra->lastContext ) ;
}
<TopSection>.*{nl} {
yyextra->CCodeBuffer += yytext;
yyextra->yyLineNr++;
}
<LiteralSection>^{LiteralEnd} {
handleCCode(yyscanner);
codifyLines(yyscanner,yytext);
BEGIN( yyextra->lastContext ) ;
}
<LiteralSection>.*{nl} {
yyextra->CCodeBuffer += yytext;
yyextra->yyLineNr++;
}
<DefSection>{CPPC}.*{nl} {
yyextra->CCodeBuffer += yytext;
yyextra->yyLineNr++;
}
<DefSection>^{ws}*{CCS} {
yyextra->CCodeBuffer += yytext;
yyextra->lastContext = YY_START;
BEGIN(COMMENT);
}
<COMMENT>{CCE}{ws}*{nl} {
yyextra->CCodeBuffer+=yytext;
yyextra->yyLineNr++;
handleCCode(yyscanner);
BEGIN(yyextra->lastContext);
}
<COMMENT>{CCE} {
yyextra->CCodeBuffer+=yytext;
handleCCode(yyscanner);
BEGIN(yyextra->lastContext);
}
<COMMENT>[^*\n]+ {
yyextra->CCodeBuffer += yytext;
}
<COMMENT>{CPPC}|{CCS} {
yyextra->CCodeBuffer += yytext;
}
<COMMENT>{nl} {
yyextra->CCodeBuffer += yytext;
yyextra->yyLineNr++;
}
<COMMENT>. {
yyextra->CCodeBuffer += yytext;
}
<DefSection>^{nl} {
handleCCode(yyscanner);
codifyLines(yyscanner,yytext);
yyextra->startCCodeLine=yyextra->yyLineNr;
}
<DefSection>^{ws}.*{nl} {
yyextra->CCodeBuffer += yytext;
yyextra->yyLineNr++;
}
<DefSection>^{RulesStart} {
handleCCode(yyscanner);
codifyLines(yyscanner,yytext);
yyextra->startCCodeLine=yyextra->yyLineNr;
BEGIN (RulesSectionInit);
}
<DefSection>^{nws} {
handleCCode(yyscanner);
codifyLines(yyscanner,yytext);
BEGIN(DefSectionLine);
}
<DefSectionLine>.*{nl} {
codifyLines(yyscanner,yytext);
yyextra->startCCodeLine=yyextra->yyLineNr;
BEGIN(DefSection);
}
<RulesSectionInit,RulesPattern>^{RulesEnd} {
handleCCode(yyscanner);
codifyLines(yyscanner,yytext);
yyextra->startCCodeLine=yyextra->yyLineNr;
BEGIN (UserSection);
}
<RulesSectionInit>^{nws} {
handleCCode(yyscanner);
unput(*yytext);
BEGIN(RulesPattern);
}
<RulesSectionInit>{nl} {
yyextra->CCodeBuffer += yytext;
yyextra->yyLineNr++;
}
<RulesSectionInit>^{ws}.*{nl} {
yyextra->CCodeBuffer += yytext;
yyextra->yyLineNr++;
}
<RulesPattern>"<<EOF>>" {
yyextra->rulesPatternBuffer += yytext;
}
<RulesPattern>{EscapeRulesChar} {
yyextra->rulesPatternBuffer += yytext;
}
<RulesPattern>{RulesSharp} {
yyextra->rulesPatternBuffer += yytext;
}
<RulesPattern>{RulesCurly} {
yyextra->rulesPatternBuffer += yytext;
}
<RulesPattern>{StartDouble} {
yyextra->rulesPatternBuffer += yytext;
yyextra->lastContext = YY_START;
BEGIN(RulesDouble);
}
<RulesDouble,RulesRoundDouble>"\\\\" {
yyextra->rulesPatternBuffer += yytext;
}
<RulesDouble,RulesRoundDouble>"\\\"" {
yyextra->rulesPatternBuffer += yytext;
}
<RulesDouble>"\"" {
yyextra->rulesPatternBuffer += yytext;
BEGIN( yyextra->lastContext ) ;
}
<RulesRoundDouble>"\"" {
yyextra->rulesPatternBuffer += yytext;
BEGIN(RulesRound) ;
}
<RulesDouble,RulesRoundDouble>. {
yyextra->rulesPatternBuffer += yytext;
}
<RulesPattern>{StartSquare} {
yyextra->rulesPatternBuffer += yytext;
yyextra->lastContext = YY_START;
BEGIN(RulesSquare);
}
<RulesSquare,RulesRoundSquare>{CHARCE} {
yyextra->rulesPatternBuffer += yytext;
}
<RulesSquare,RulesRoundSquare>"\\[" |
<RulesSquare,RulesRoundSquare>"\\]" {
yyextra->rulesPatternBuffer += yytext;
}
<RulesSquare>"]" {
yyextra->rulesPatternBuffer += yytext;
BEGIN(RulesPattern) ;
}
<RulesRoundSquare>"]" {
yyextra->rulesPatternBuffer += yytext;
BEGIN(RulesRound) ;
}
<RulesSquare,RulesRoundSquare>"\\\\" {
yyextra->rulesPatternBuffer += yytext;
}
<RulesSquare,RulesRoundSquare>. {
yyextra->rulesPatternBuffer += yytext;
}
<RulesPattern>{StartRoundQuest} {
yyextra->rulesPatternBuffer += yytext;
yyextra->lastContext = YY_START;
BEGIN(RulesRoundQuest);
}
<RulesRoundQuest>{nl} {
yyextra->rulesPatternBuffer += yytext;
if (!yyextra->rulesPatternBuffer.isEmpty())
{
startFontClass(yyscanner,"stringliteral");
codifyLines(yyscanner,yyextra->rulesPatternBuffer.data());
yyextra->rulesPatternBuffer.resize(0);
endFontClass(yyscanner);
}
}
<RulesRoundQuest>[^)] {
yyextra->rulesPatternBuffer += yytext;
}
<RulesRoundQuest>")" {
yyextra->rulesPatternBuffer += yytext;
BEGIN(yyextra->lastContext);
}
<RulesPattern>{StartRound} {
yyextra->roundCount++;
yyextra->rulesPatternBuffer += yytext;
yyextra->lastContext = YY_START;
BEGIN(RulesRound);
}
<RulesRound>{RulesCurly} {
yyextra->rulesPatternBuffer += yytext;
}
<RulesRound>{StartSquare} {
yyextra->rulesPatternBuffer += yytext;
BEGIN(RulesRoundSquare);
}
<RulesRound>{StartDouble} {
yyextra->rulesPatternBuffer += yytext;
BEGIN(RulesRoundDouble);
}
<RulesRound>{EscapeRulesChar} {
yyextra->rulesPatternBuffer += yytext;
}
<RulesRound>"(" {
yyextra->roundCount++;
yyextra->rulesPatternBuffer += yytext;
}
<RulesRound>")" {
yyextra->roundCount--;
yyextra->rulesPatternBuffer += yytext;
if (!yyextra->roundCount) BEGIN( yyextra->lastContext ) ;
}
<RulesRound>{nl} {
yyextra->rulesPatternBuffer += yytext;
yyextra->yyLineNr++;
}
<RulesRound>{ws} {
yyextra->rulesPatternBuffer += yytext;
}
<RulesRound>. {
yyextra->rulesPatternBuffer += yytext;
}
<RulesPattern>{ws}+"|" {
if (!yyextra->rulesPatternBuffer.isEmpty())
{
startFontClass(yyscanner,"stringliteral");
codifyLines(yyscanner,yyextra->rulesPatternBuffer);
yyextra->rulesPatternBuffer.resize(0);
endFontClass(yyscanner);
}
codifyLines(yyscanner,yytext);
yyextra->startCCodeLine=yyextra->yyLineNr;
yyextra->curlyCount = 0;
BEGIN(SkipCurly);
}
<RulesPattern>^{ws}*{nl} {
codifyLines(yyscanner,"\n");
}
<RulesPattern>^{ws}+ {
codifyLines(yyscanner,yytext);
}
<RulesPattern>({ws}|{nl}) {
unput(*yytext);
if (!yyextra->rulesPatternBuffer.isEmpty())
{
startFontClass(yyscanner,"stringliteral");
codifyLines(yyscanner,yyextra->rulesPatternBuffer);
yyextra->rulesPatternBuffer.resize(0);
endFontClass(yyscanner);
}
yyextra->startCCodeLine=yyextra->yyLineNr;
yyextra->curlyCount = 0;
BEGIN(SkipCurly);
}
<RulesPattern>"\\\\" {
yyextra->rulesPatternBuffer += yytext;
}
<RulesPattern>{CCS} {
if (!yyextra->rulesPatternBuffer.isEmpty())
{
startFontClass(yyscanner,"stringliteral");
codifyLines(yyscanner,yyextra->rulesPatternBuffer);
yyextra->rulesPatternBuffer.resize(0);
endFontClass(yyscanner);
}
yyextra->CCodeBuffer += yytext;
yyextra->lastContext = YY_START;
BEGIN(COMMENT);
}
<RulesPattern>. {
yyextra->rulesPatternBuffer += yytext;
}
<SkipCurly>{B}*"#"{B}+[0-9]+{B}+/"\"" { /* line control directive */
yyextra->CCodeBuffer += yytext;
yyextra->lastPreLineCtrlContext = YY_START;
BEGIN( PreLineCtrl );
}
<PreLineCtrl>"\""[^\n\"]*"\"" {
yyextra->CCodeBuffer += yytext;
}
<PreLineCtrl>. {
yyextra->CCodeBuffer += yytext;
}
<PreLineCtrl>\n {
yyextra->CCodeBuffer += yytext;
yyextra->yyLineNr++;
BEGIN( yyextra->lastPreLineCtrlContext );
}
<SkipCurly>"{" {
yyextra->CCodeBuffer += yytext;
++yyextra->curlyCount ;
}
<SkipCurly>"}"/{BN}*{DCOMM}"<!--" | /* see bug710917 */
<SkipCurly>"}" {
yyextra->CCodeBuffer += yytext;
lineCount(yyscanner);
if( yyextra->curlyCount )
{
--yyextra->curlyCount ;
}
}
<SkipCurly>"}"{BN}*{DCOMM}"<" {
yyextra->CCodeBuffer += yytext;
lineCount(yyscanner);
if ( yyextra->curlyCount )
{
--yyextra->curlyCount ;
}
else
{
yyextra->docBlockContext = SkipCurlyEndDoc;
if (yytext[yyleng-3]=='/')
{
BEGIN( DocLine );
}
else
{
BEGIN( DocBlock );
}
}
}
<SkipCurly>\" {
yyextra->CCodeBuffer += yytext;
yyextra->lastStringContext=SkipCurly;
BEGIN( SkipString );
}
<SkipCurly>^{B}*"#" {
yyextra->CCodeBuffer += yytext;
yyextra->lastPreLineCtrlContext = YY_START;
BEGIN( PreLineCtrl );
}
<SkipCurly>{B}*{RAWBEGIN} {
QCString raw=QCString(yytext).stripWhiteSpace();
yyextra->delimiter = raw.mid(2);
yyextra->delimiter=yyextra->delimiter.left(yyextra->delimiter.length()-1);
yyextra->lastRawStringContext = YY_START;
yyextra->CCodeBuffer += yytext;
BEGIN(RawString);
}
<SkipCurly>[^\n#"'@\\/{}<]+ {
yyextra->CCodeBuffer += yytext;
}
<SkipCurly>{CCS} {
yyextra->CCodeBuffer += yytext;
yyextra->lastCContext = YY_START;
BEGIN(SkipComment);
}
<SkipCurly>{CPPC} {
yyextra->CCodeBuffer += yytext;
yyextra->lastCContext = YY_START;
BEGIN(SkipCxxComment);
}
<SkipCurly>{CHARLIT} {
yyextra->CCodeBuffer += yytext;
}
<SkipCurly>\' {
yyextra->CCodeBuffer += yytext;
}
<SkipCurly>. {
yyextra->CCodeBuffer += yytext;
}
<SkipCurly>({CPPC}{B}*)?{CCS}"!" {
yyextra->CCodeBuffer += yytext;
yyextra->docBlockContext = YY_START;
BEGIN( DocBlock );
}
<SkipCurly>{CCS}"*"[*]+{BL} {
bool javadocBanner = Config_getBool(JAVADOC_BANNER);
yyextra->CCodeBuffer += yytext;
yyextra->yyLineNr++;
if( javadocBanner )
{
yyextra->docBlockContext = YY_START;
BEGIN( DocBlock );
}
else
{
BEGIN( Comment ) ;
}
}
<SkipCurly>({CPPC}{B}*)?{CCS}"*"/{NCOMM} {
yyextra->CCodeBuffer += yytext;
yyextra->docBlockContext = YY_START;
BEGIN( DocBlock );
}
<SkipCurly>{CPPC}"!" {
yyextra->CCodeBuffer += yytext;
yyextra->docBlockContext = YY_START;
BEGIN( DocLine );
}
<SkipCurly>{CPPC}"/"/[^/] {
yyextra->CCodeBuffer += yytext;
yyextra->docBlockContext = YY_START;
BEGIN( DocLine );
}
<SkipCurly>\n {
yyextra->CCodeBuffer += yytext;
yyextra->yyLineNr++;
if (yyextra->curlyCount<=0)
{
handleCCode(yyscanner);
BEGIN(RulesPattern);
}
}
<SkipString>\\. {
yyextra->CCodeBuffer += yytext;
}
<SkipString>\" {
yyextra->CCodeBuffer += yytext;
BEGIN( yyextra->lastStringContext );
}
<SkipString>{CCS}|{CCE}|{CPPC} {
yyextra->CCodeBuffer += yytext;
}
<SkipString>\n {
yyextra->CCodeBuffer += yytext;
yyextra->yyLineNr++;
}
<SkipString>. {
yyextra->CCodeBuffer += yytext;
}
<SkipCxxComment>.*"\\\n" { // line continuation
yyextra->CCodeBuffer += yytext;
yyextra->yyLineNr++;
}
<SkipCxxComment>{ANYopt}/\n {
yyextra->CCodeBuffer += yytext;
BEGIN( yyextra->lastCContext ) ;
}
<Comment>{BN}+ {
yyextra->CCodeBuffer += yytext ;
lineCount(yyscanner);
}
<Comment>{CCS} { yyextra->CCodeBuffer += yytext ; }
<Comment>{CPPC} { yyextra->CCodeBuffer += yytext ; }
<Comment>{CMD}("code"|"verbatim") {
yyextra->insideCode=TRUE;
yyextra->CCodeBuffer += yytext ;
}
<Comment>{CMD}("endcode"|"endverbatim") {
yyextra->insideCode=FALSE;
yyextra->CCodeBuffer += yytext ;
}
<Comment>[^ \.\t\r\n\/\*]+ { yyextra->CCodeBuffer += yytext ; }
<Comment>{CCE} {
yyextra->CCodeBuffer += yytext ;
if (!yyextra->insideCode) BEGIN( yyextra->lastContext ) ;
}
<Comment>. { yyextra->CCodeBuffer += *yytext ; }
<SkipComment>{CPPC}|{CCS} {
yyextra->CCodeBuffer += yytext;
}
<SkipComment>[^\*\n]+ {
yyextra->CCodeBuffer += yytext;
}
<SkipComment>\n {
yyextra->CCodeBuffer += yytext;
yyextra->yyLineNr++;
}
<SkipComment>{B}*{CCE} {
yyextra->CCodeBuffer += yytext;
BEGIN( yyextra->lastCContext );
}
<SkipComment>"*" {
yyextra->CCodeBuffer += yytext;
}
<RawString>{RAWEND} {
yyextra->CCodeBuffer += yytext;
QCString delimiter = yytext+1;
delimiter=delimiter.left(delimiter.length()-1);
if (delimiter==yyextra->delimiter)
{
BEGIN(yyextra->lastRawStringContext);
}
}
<RawString>[^)\n]+ {
yyextra->CCodeBuffer += yytext;
}
<RawString>. {
yyextra->CCodeBuffer += yytext;
}
<RawString>\n {
yyextra->CCodeBuffer += yytext;
yyextra->yyLineNr++;
}
/* ---- Single line comments ------ */
<DocLine>[^\n]*"\n"[ \t]*{CPPC}[/!][<]? { // continuation of multiline C++-style comment
yyextra->CCodeBuffer += yytext;
lineCount(yyscanner);
}
<DocLine>{B}*{CPPC}"/"[/]+{Bopt}/"\n" { // ignore marker line (see bug700345)
yyextra->CCodeBuffer += yytext;
BEGIN( yyextra->docBlockContext );
}
<DocLine>{NONLopt}/"\n"{B}*{CPPC}[!/]{B}*{CMD}"}" { // next line is an end group marker, see bug 752712
yyextra->CCodeBuffer += yytext;
BEGIN( yyextra->docBlockContext );
}
<DocLine>{NONLopt}/"\n" { // whole line
yyextra->CCodeBuffer += yytext;
BEGIN( yyextra->docBlockContext );
}
/* ---- Comments blocks ------ */
<DocBlock>"*"*{CCE} { // end of comment block
yyextra->CCodeBuffer += yytext;
BEGIN(yyextra->docBlockContext);
}
<DocBlock>^{B}*"*"+/[^/] {
yyextra->CCodeBuffer += yytext;
}
<DocBlock>^{B}*({CPPC})?{B}*"*"+/[^/a-z_A-Z0-9*] { // start of a comment line
yyextra->CCodeBuffer += yytext;
}
<DocBlock>^{B}*({CPPC}){B}* { // strip embedded C++ comments if at the start of a line
yyextra->CCodeBuffer += yytext;
}
<DocBlock>{CPPC} { // slashes in the middle of a comment block
yyextra->CCodeBuffer += yytext;
}
<DocBlock>{CCS} { // start of a new comment in the
// middle of a comment block
yyextra->CCodeBuffer += yytext;
}
<DocBlock>({CMD}{CMD}){ID}/[^a-z_A-Z0-9] { // escaped command
yyextra->CCodeBuffer += yytext;
}
<DocBlock>{CMD}("f$"|"f["|"f{") {
yyextra->CCodeBuffer += yytext;
yyextra->docBlockName=&yytext[1];
if (yyextra->docBlockName.at(1)=='{')
{
yyextra->docBlockName.at(1)='}';
}
yyextra->fencedSize=0;
yyextra->nestedComment=FALSE;
BEGIN(DocCopyBlock);
}
<DocBlock>{B}*"<"{PRE}">" {
yyextra->CCodeBuffer += yytext;
yyextra->docBlockName="<pre>";
yyextra->fencedSize=0;
yyextra->nestedComment=FALSE;
BEGIN(DocCopyBlock);
}
<DocBlock>{CMD}("verbatim"|"latexonly"|"htmlonly"|"xmlonly"|"manonly"|"rtfonly"|"docbookonly"|"dot"|"code")/[^a-z_A-Z0-9\-] { // verbatim command (which could contain nested comments!)
yyextra->CCodeBuffer += yytext;
yyextra->docBlockName=&yytext[1];
yyextra->fencedSize=0;
yyextra->nestedComment=FALSE;
BEGIN(DocCopyBlock);
}
<DocBlock>^({B}*"*"+)?{B}{0,3}"~~~"[~]* {
yyextra->CCodeBuffer += yytext;
QCString pat = substitute(yytext,"*"," ");
yyextra->docBlockName="~~~";
yyextra->fencedSize=pat.stripWhiteSpace().length();
yyextra->nestedComment=FALSE;
BEGIN(DocCopyBlock);
}
<DocBlock>^({B}*"*"+)?{B}{0,3}"```"[`]* {
yyextra->CCodeBuffer += yytext;
QCString pat = substitute(yytext,"*"," ");
yyextra->docBlockName="```";
yyextra->fencedSize=pat.stripWhiteSpace().length();
yyextra->nestedComment=FALSE;
BEGIN(DocCopyBlock);
}
<DocBlock>{B}*"<code>" {
REJECT;
}
<DocBlock>[^@*~\/\\\n]+ { // any character that isn't special
yyextra->CCodeBuffer += yytext;
}
<DocBlock>\n { // newline
yyextra->CCodeBuffer += yytext;
lineCount(yyscanner);
}
<DocBlock>. { // command block
yyextra->CCodeBuffer += yytext;
}
/* ---- Copy verbatim sections ------ */
<DocCopyBlock>"</"{PRE}">" { // end of a <pre> block
yyextra->CCodeBuffer += yytext;
if (yyextra->docBlockName=="<pre>")
{
BEGIN(DocBlock);
}
}
<DocCopyBlock>"</"{CODE}">" { // end of a <code> block
yyextra->CCodeBuffer += yytext;
if (yyextra->docBlockName=="<code>")
{
BEGIN(DocBlock);
}
}
<DocCopyBlock>[\\@]("f$"|"f]"|"f}") {
yyextra->CCodeBuffer += yytext;
BEGIN(DocBlock);
}
<DocCopyBlock>[\\@]("endverbatim"|"endlatexonly"|"endhtmlonly"|"endxmlonly"|"enddocbookonly"|"endmanonly"|"endrtfonly"|"enddot"|"endcode")/[^a-z_A-Z0-9] { // end of verbatim block
yyextra->CCodeBuffer += yytext;
if (&yytext[4]==yyextra->docBlockName)
{
BEGIN(DocBlock);
}
}
<DocCopyBlock>^{B}*"*"+/{BN}+ { // start of a comment line
yyextra->CCodeBuffer += yytext;
if (yyextra->docBlockName=="verbatim")
{
REJECT;
}
else if (yyextra->docBlockName=="code")
{
REJECT;
}
else
{
yyextra->CCodeBuffer += yytext;
}
}
<DocCopyBlock>^{B}*"*"+/{B}+"*"{BN}* { // start of a comment line with two *'s
if (yyextra->docBlockName=="code")
{
yyextra->CCodeBuffer += yytext;
}
else
{
REJECT;
}
}
<DocCopyBlock>^{B}*"*"+/({ID}|"(") { // Assume *var or *(... is part of source code (see bug723516)
if (yyextra->docBlockName=="code")
{
yyextra->CCodeBuffer += yytext;
}
else
{
REJECT;
}
}
<DocCopyBlock>^{B}*"*"+/{BN}* { // start of a comment line with one *
if (yyextra->docBlockName=="code")
{
if (yyextra->nestedComment) // keep * it is part of the code
{
yyextra->CCodeBuffer += yytext;
}
else // remove * it is part of the comment block
{
yyextra->CCodeBuffer += yytext;
}
}
else
{
REJECT;
}
}
<DocCopyBlock>^({B}*"*"+)?{B}{0,3}"~~~"[~]* {
yyextra->CCodeBuffer += yytext;
QCString pat = substitute(yytext,"*"," ");
if (yyextra->fencedSize==pat.stripWhiteSpace().length())
{
BEGIN(DocBlock);
}
}
<DocCopyBlock>^({B}*"*"+)?{B}{0,3}"```"[`]* {
yyextra->CCodeBuffer += yytext;
QCString pat = substitute(yytext,"*"," ");
if (yyextra->fencedSize==pat.stripWhiteSpace().length())
{
BEGIN(DocBlock);
}
}
<DocCopyBlock>[^\<@/\*\]~\$\\\n]+ { // any character that is not special
yyextra->CCodeBuffer += yytext;
}
<DocCopyBlock>{CCS}|{CCE}|{CPPC} {
if (yytext[1]=='*')
{
yyextra->nestedComment=TRUE;
}
else if (yytext[0]=='*')
{
yyextra->nestedComment=FALSE;
}
yyextra->CCodeBuffer += yytext;
}
<DocCopyBlock>\n { // newline
yyextra->CCodeBuffer += yytext;
lineCount(yyscanner);
}
<DocCopyBlock>. { // any other character
yyextra->CCodeBuffer += yytext;
}
<SkipCurlyEndDoc>"}"{BN}*{DCOMM}"<" { // desc is followed by another one
yyextra->docBlockContext = SkipCurlyEndDoc;
yyextra->CCodeBuffer += yytext;
if (yytext[yyleng-3]=='/')
{
BEGIN( DocLine );
}
else
{
BEGIN( DocBlock );
}
}
<SkipCurlyEndDoc>"}" {
yyextra->CCodeBuffer += yytext;
BEGIN(SkipCurly);
}
<UserSection>.*{nl} {
yyextra->CCodeBuffer += yytext;
yyextra->yyLineNr++;
}
/*
<*>. { fprintf(stderr,"Lex code scanner Def rule for %s: #%s#\n",stateToString(YY_START),yytext);}
<*>{nl} { fprintf(stderr,"Lex code scanner Def rule for newline %s: #%s#\n",stateToString(YY_START),yytext); yyextra->yyLineNr++;}
*/
<*><<EOF>> {
handleCCode(yyscanner);
yyterminate();
}
%%
static void setCurrentDoc(yyscan_t yyscanner,const QCString &anchor)
{
struct yyguts_t *yyg = (struct yyguts_t*)yyscanner;
if (Doxygen::searchIndex)
{
if (yyextra->searchCtx)
{
yyextra->code->setCurrentDoc(yyextra->searchCtx,yyextra->searchCtx->anchor(),false);
}
else
{
yyextra->code->setCurrentDoc(yyextra->sourceFileDef,anchor,true);
}
}
}
/*! start a new line of code, inserting a line number if yyextra->sourceFileDef
* is true. If a definition starts at the current line, then the line
* number is linked to the documentation of that definition.
*/
static void startCodeLine(yyscan_t yyscanner)
{
struct yyguts_t *yyg = (struct yyguts_t*)yyscanner;
if (yyextra->sourceFileDef && yyextra->lineNumbers)
{
const Definition *d = yyextra->sourceFileDef->getSourceDefinition(yyextra->yyLineNr);
if (!yyextra->includeCodeFragment && d)
{
yyextra->currentDefinition = d;
yyextra->currentMemberDef = yyextra->sourceFileDef->getSourceMember(yyextra->yyLineNr);
yyextra->classScope = d->name();
QCString lineAnchor;
lineAnchor.sprintf("l%05d",yyextra->yyLineNr);
if (yyextra->currentMemberDef)
{
yyextra->code->writeLineNumber(yyextra->currentMemberDef->getReference(),
yyextra->currentMemberDef->getOutputFileBase(),
yyextra->currentMemberDef->anchor(),yyextra->yyLineNr);
setCurrentDoc(yyscanner,lineAnchor);
}
else
{
yyextra->code->writeLineNumber(d->getReference(),
d->getOutputFileBase(),
QCString(),yyextra->yyLineNr);
setCurrentDoc(yyscanner,lineAnchor);
}
}
else
{
yyextra->code->writeLineNumber(QCString(),QCString(),QCString(),yyextra->yyLineNr);
}
}
yyextra->code->startCodeLine(yyextra->sourceFileDef && yyextra->lineNumbers);
if (yyextra->currentFontClass)
{
yyextra->code->startFontClass(yyextra->currentFontClass);
}
}
static void endFontClass(yyscan_t yyscanner)
{
struct yyguts_t *yyg = (struct yyguts_t*)yyscanner;
if (yyextra->currentFontClass)
{
yyextra->code->endFontClass();
yyextra->currentFontClass=0;
}
}
static void endCodeLine(yyscan_t yyscanner)
{
struct yyguts_t *yyg = (struct yyguts_t*)yyscanner;
endFontClass(yyscanner);
yyextra->code->endCodeLine();
}
static void nextCodeLine(yyscan_t yyscanner)
{
struct yyguts_t *yyg = (struct yyguts_t*)yyscanner;
const char *fc = yyextra->currentFontClass;
endCodeLine(yyscanner);
if (yyextra->yyLineNr<yyextra->inputLines)
{
yyextra->currentFontClass = fc;
startCodeLine(yyscanner);
}
}
static void codifyLines(yyscan_t yyscanner,const QCString &text)
{
struct yyguts_t *yyg = (struct yyguts_t*)yyscanner;
if (text.isEmpty()) return;
const char *p=text.data(),*sp=p;
char c;
bool done=false;
while (!done)
{
sp=p;
while ((c=*p++) && c!='\n') { }
if (c=='\n')
{
yyextra->yyLineNr++;
int l = (int)(p-sp-1);
char *tmp = (char*)malloc(l+1);
memcpy(tmp,sp,l);
tmp[l]='\0';
yyextra->code->codify(tmp);
if (p)
{
nextCodeLine(yyscanner);
}
else
{
endCodeLine(yyscanner);
done=true;
}
free(tmp);
}
else
{
yyextra->code->codify(sp);
done=true;
}
}
yyextra->startCCodeLine = yyextra->yyLineNr;
}
static void startFontClass(yyscan_t yyscanner,const char *s)
{
struct yyguts_t *yyg = (struct yyguts_t*)yyscanner;
endFontClass(yyscanner);
if (!yyextra->currentFontClass || !s || strcmp(yyextra->currentFontClass,s))
{
endFontClass(yyscanner);
yyextra->code->startFontClass(s);
yyextra->currentFontClass=s;
}
}
/*! counts the number of lines in the input */
static int countLines(yyscan_t yyscanner)
{
struct yyguts_t *yyg = (struct yyguts_t*)yyscanner;
const char *p=yyextra->inputString;
char c;
int count=1;
while ((c=*p))
{
p++ ;
if (c=='\n') count++;
}
if (p>yyextra->inputString && *(p-1)!='\n')
{ // last line does not end with a \n, so we add an extra
// line and explicitly terminate the line after parsing.
count++,
yyextra->needsTermination=true;
}
return count;
}
static yy_size_t yyread(yyscan_t yyscanner,char *buf,yy_size_t max_size)
{
struct yyguts_t *yyg = (struct yyguts_t*)yyscanner;
yy_size_t inputPosition = yyextra->inputPosition;
const char *s = yyextra->inputString + inputPosition;
yy_size_t c=0;
while( c < max_size && *s )
{
*buf++ = *s++;
c++;
}
yyextra->inputPosition += c;
return c;
}
static void lineCount(yyscan_t yyscanner)
{
struct yyguts_t *yyg = (struct yyguts_t*)yyscanner;
const char *p;
for (p = yytext ; *p ; ++p )
{
if (*p=='\n')
{
yyextra->yyLineNr++;
}
}
}
static void handleCCode(yyscan_t yyscanner)
{
struct yyguts_t *yyg = (struct yyguts_t*)yyscanner;
if (yyextra->CCodeBuffer.isEmpty()) return;
yyextra->ccodeParser.setStartCodeLine(false);
yyextra->ccodeParser.parseCode(*yyextra->code,
yyextra->classScope,
yyextra->CCodeBuffer,
SrcLangExt_Cpp,
yyextra->exampleBlock,
yyextra->exampleName,
yyextra->sourceFileDef,
yyextra->startCCodeLine,
-1, /* endLine will be calculated in called routine */
yyextra->includeCodeFragment,
yyextra->currentMemberDef,
yyextra->lineNumbers,
yyextra->searchCtx,
yyextra->collectXRefs
);
yyextra->CCodeBuffer.resize(0);
yyextra->ccodeParser.setStartCodeLine(true);
yyextra->yyLineNr--;
codifyLines(yyscanner,"\n");
return;
}
// public interface -----------------------------------------------------------
struct LexCodeParser::Private
{
yyscan_t yyscanner;
lexcodeYY_state state;
};
LexCodeParser::LexCodeParser() : p(std::make_unique<Private>())
{
lexcodeYYlex_init_extra(&p->state, &p->yyscanner);
#ifdef FLEX_DEBUG
lexcodeYYset_debug(1,p->yyscanner);
#endif
resetCodeParserState();
}
LexCodeParser::~LexCodeParser()
{
lexcodeYYlex_destroy(p->yyscanner);
}
void LexCodeParser::resetCodeParserState()
{
struct yyguts_t *yyg = (struct yyguts_t*)p->yyscanner;
yyextra->currentDefinition = 0;
yyextra->currentMemberDef = 0;
}
void LexCodeParser::parseCode(CodeOutputInterface &codeOutIntf,
const QCString &scopeName,
const QCString &input,
SrcLangExt,
bool isExampleBlock,
const QCString &exampleName,
FileDef *fileDef,
int startLine,
int endLine,
bool inlineFragment,
const MemberDef *memberDef,
bool showLineNumbers,
const Definition *searchCtx,
bool collectXRefs
)
{
yyscan_t yyscanner = p->yyscanner;
struct yyguts_t *yyg = (struct yyguts_t*)yyscanner;
if (input.isEmpty()) return;
printlex(yy_flex_debug, true, __FILE__, fileDef ? qPrint(fileDef->fileName()): NULL);
yyextra->code = &codeOutIntf;
yyextra->inputString = input.data();
yyextra->inputPosition = 0;
yyextra->currentFontClass = 0;
yyextra->needsTermination = false;
yyextra->classScope=scopeName;
yyextra->currentMemberDef=memberDef;
yyextra->searchCtx=searchCtx;
yyextra->collectXRefs=collectXRefs;
if (startLine!=-1)
yyextra->yyLineNr = startLine;
else
yyextra->yyLineNr = 1;
if (endLine!=-1)
yyextra->inputLines = endLine+1;
else
yyextra->inputLines = yyextra->yyLineNr + countLines(yyscanner) - 1;
yyextra->startCCodeLine = yyextra->yyLineNr;
yyextra->exampleBlock = isExampleBlock;
yyextra->exampleName = exampleName;
yyextra->sourceFileDef = fileDef;
yyextra->lineNumbers = fileDef!=0 && showLineNumbers;
bool cleanupSourceDef = false;
if (isExampleBlock && fileDef==0)
{
// create a dummy filedef for the example
yyextra->sourceFileDef = createFileDef(QCString(),!exampleName.isEmpty() ? exampleName : QCString("generated"));
cleanupSourceDef = true;
}
if (yyextra->sourceFileDef)
{
setCurrentDoc(yyscanner,"l00001");
}
yyextra->includeCodeFragment = inlineFragment;
// Starts line 1 on the output
startCodeLine(yyscanner);
lexcodeYYrestart( 0, yyscanner );
BEGIN( DefSection );
lexcodeYYlex(yyscanner);
if (yyextra->needsTermination)
{
endCodeLine(yyscanner);
}
if (cleanupSourceDef)
{
// delete the temporary file definition used for this example
delete yyextra->sourceFileDef;
yyextra->sourceFileDef=0;
}
printlex(yy_flex_debug, false, __FILE__, fileDef ? qPrint(fileDef->fileName()): NULL);
}
//---------------------------------------------------------------------------------
#if USE_STATE2STRING
#include "lexcode.l.h"
#endif
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