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-rw-r--r--src/lexcode.l1223
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diff --git a/src/lexcode.l b/src/lexcode.l
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--- /dev/null
+++ b/src/lexcode.l
@@ -0,0 +1,1223 @@
+/******************************************************************************
+ *
+ * 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;
+ int squareCount = 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 char *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 "<"[^>]*">"
+RulesCurly "{"[^{}\n]*"}"
+StartSquare "["
+StartDouble "\""
+StartRound "("
+EscapeRulesCharOpen "\\["|"\\<"|"\\{"|"\\("|"\\\""|"\\{"|"\\ "
+EscapeRulesCharClose "\\]"|"\\>"|"\\}"|"\\)"
+EscapeRulesChar {EscapeRulesCharOpen}|{EscapeRulesCharClose}
+
+CMD ("\\"|"@")
+BN [ \t\n\r]
+BL [ \t\r]*"\n"
+B [ \t]
+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}"'"))
+
+%x DefSection
+%x DefSectionLine
+%x RulesSectionInit
+%x RulesPattern
+%x RulesDouble
+%x RulesRoundDouble
+%x RulesSquare
+%x RulesRoundSquare
+%x RulesRound
+%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>"//".*{nl} {
+ yyextra->CCodeBuffer += yytext;
+ yyextra->yyLineNr++;
+ }
+<DefSection>^{ws}*"/*" {
+ yyextra->CCodeBuffer += yytext;
+ yyextra->lastContext = YY_START;
+ BEGIN(COMMENT);
+ }
+<COMMENT>"*/"{ws}*{nl} {
+ yyextra->CCodeBuffer+=yytext;
+ yyextra->yyLineNr++;
+ handleCCode(yyscanner);
+ BEGIN(yyextra->lastContext);
+ }
+<COMMENT>"*/" {
+ yyextra->CCodeBuffer+=yytext;
+ handleCCode(yyscanner);
+ BEGIN(yyextra->lastContext);
+ }
+<COMMENT>[^*\n]+ {
+ yyextra->CCodeBuffer += yytext;
+ }
+<COMMENT>"//"|"/*" {
+ 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->squareCount++;
+ yyextra->rulesPatternBuffer += yytext;
+ yyextra->lastContext = YY_START;
+ BEGIN(RulesSquare);
+ }
+<RulesSquare,RulesRoundSquare>"\\[" |
+<RulesSquare,RulesRoundSquare>"\\]" {
+ yyextra->rulesPatternBuffer += yytext;
+ }
+<RulesSquare,RulesRoundSquare>"[" {
+ yyextra->squareCount++;
+ yyextra->rulesPatternBuffer += yytext;
+ }
+<RulesSquare>"]" {
+ yyextra->squareCount--;
+ yyextra->rulesPatternBuffer += yytext;
+ if (!yyextra->squareCount) BEGIN(RulesPattern) ;
+ }
+<RulesRoundSquare>"]" {
+ yyextra->squareCount--;
+ yyextra->rulesPatternBuffer += yytext;
+ if (!yyextra->squareCount) BEGIN(RulesRound) ;
+ }
+<RulesSquare,RulesRoundSquare>"\\\\" {
+ yyextra->rulesPatternBuffer += yytext;
+ }
+<RulesSquare,RulesRoundSquare>. {
+ yyextra->rulesPatternBuffer += yytext;
+ }
+<RulesPattern>{StartRound} {
+ yyextra->roundCount++;
+ yyextra->rulesPatternBuffer += yytext;
+ yyextra->lastContext = YY_START;
+ BEGIN(RulesRound);
+ }
+<RulesRound>{RulesCurly} {
+ yyextra->rulesPatternBuffer += yytext;
+ }
+<RulesRound>{StartSquare} {
+ yyextra->squareCount++;
+ yyextra->rulesPatternBuffer += yytext;
+ BEGIN(RulesRoundSquare);
+ }
+<RulesRound>{StartDouble} {
+ yyextra->rulesPatternBuffer += yytext;
+ BEGIN(RulesRoundDouble);
+ }
+<RulesRound>"\\(" |
+<RulesRound>"\\)" {
+ yyextra->rulesPatternBuffer += yytext;
+ }
+<RulesRound>"(" {
+ yyextra->roundCount++;
+ yyextra->rulesPatternBuffer += yytext;
+ }
+<RulesRound>")" {
+ yyextra->roundCount--;
+ yyextra->rulesPatternBuffer += yytext;
+ if (!yyextra->roundCount) BEGIN( yyextra->lastContext ) ;
+ }
+<RulesRound>. {
+ yyextra->rulesPatternBuffer += yytext;
+ }
+<RulesPattern>{ws}+"|" {
+ if (!yyextra->rulesPatternBuffer.isEmpty())
+ {
+ startFontClass(yyscanner,"stringliteral");
+ codifyLines(yyscanner,yyextra->rulesPatternBuffer.data());
+ 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.data());
+ yyextra->rulesPatternBuffer.resize(0);
+ endFontClass(yyscanner);
+ }
+ yyextra->startCCodeLine=yyextra->yyLineNr;
+ yyextra->curlyCount = 0;
+ BEGIN(SkipCurly);
+ }
+<RulesPattern>"\\\\" {
+ yyextra->rulesPatternBuffer += yytext;
+ }
+<RulesPattern>"/*" {
+ if (!yyextra->rulesPatternBuffer.isEmpty())
+ {
+ startFontClass(yyscanner,"stringliteral");
+ codifyLines(yyscanner,yyextra->rulesPatternBuffer.data());
+ 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}*("/*!"|"/**"|"//!"|"///")"<!--" | /* see bug710917 */
+<SkipCurly>"}" {
+ yyextra->CCodeBuffer += yytext;
+ lineCount(yyscanner);
+ if( yyextra->curlyCount )
+ {
+ --yyextra->curlyCount ;
+ }
+ }
+<SkipCurly>"}"{BN}*("/*!"|"/**"|"//!"|"///")"<" {
+ 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.data()+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>"/*" {
+ yyextra->CCodeBuffer += yytext;
+ yyextra->lastCContext = YY_START;
+ BEGIN(SkipComment);
+ }
+<SkipCurly>"//" {
+ yyextra->CCodeBuffer += yytext;
+ yyextra->lastCContext = YY_START;
+ BEGIN(SkipCxxComment);
+ }
+<SkipCurly>{CHARLIT} {
+ yyextra->CCodeBuffer += yytext;
+ }
+<SkipCurly>\' {
+ yyextra->CCodeBuffer += yytext;
+ }
+<SkipCurly>. {
+ yyextra->CCodeBuffer += yytext;
+ }
+<SkipCurly>("//"{B}*)?"/*!" {
+ yyextra->CCodeBuffer += yytext;
+ yyextra->docBlockContext = YY_START;
+ BEGIN( DocBlock );
+ }
+<SkipCurly>"/**"[*]+{BL} {
+ bool javadocBanner = Config_getBool(JAVADOC_BANNER);
+ yyextra->CCodeBuffer += yytext;
+ yyextra->yyLineNr++;
+ if( javadocBanner )
+ {
+ yyextra->docBlockContext = YY_START;
+ BEGIN( DocBlock );
+ }
+ else
+ {
+ BEGIN( Comment ) ;
+ }
+ }
+<SkipCurly>("//"{B}*)?"/**"/[^/*] {
+ yyextra->CCodeBuffer += yytext;
+ yyextra->docBlockContext = YY_START;
+ BEGIN( DocBlock );
+ }
+<SkipCurly>"//!" {
+ yyextra->CCodeBuffer += yytext;
+ yyextra->docBlockContext = YY_START;
+ BEGIN( DocLine );
+ }
+<SkipCurly>"///"/[^/] {
+ 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>"/*"|"*/"|"//" {
+ yyextra->CCodeBuffer += yytext;
+ }
+<SkipString>\n {
+ yyextra->CCodeBuffer += yytext;
+ yyextra->yyLineNr++;
+ }
+<SkipString>. {
+ yyextra->CCodeBuffer += yytext;
+ }
+<SkipCxxComment>.*"\\\n" { // line continuation
+ yyextra->CCodeBuffer += yytext;
+ yyextra->yyLineNr++;
+ }
+<SkipCxxComment>.*/\n {
+ yyextra->CCodeBuffer += yytext;
+ BEGIN( yyextra->lastCContext ) ;
+ }
+<Comment>{BN}+ {
+ yyextra->CCodeBuffer += yytext ;
+ lineCount(yyscanner);
+ }
+<Comment>"/*" { yyextra->CCodeBuffer += yytext ; }
+<Comment>"//" { 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>"*/" {
+ yyextra->CCodeBuffer += yytext ;
+ if (!yyextra->insideCode) BEGIN( yyextra->lastContext ) ;
+ }
+<Comment>. { yyextra->CCodeBuffer += *yytext ; }
+
+<SkipComment>"//"|"/*" {
+ yyextra->CCodeBuffer += yytext;
+ }
+<SkipComment>[^\*\n]+ {
+ yyextra->CCodeBuffer += yytext;
+ }
+<SkipComment>\n {
+ yyextra->CCodeBuffer += yytext;
+ yyextra->yyLineNr++;
+ }
+<SkipComment>{B}*"*/" {
+ 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]*"//"[/!][<]? { // continuation of multiline C++-style comment
+ yyextra->CCodeBuffer += yytext;
+ lineCount(yyscanner);
+ }
+<DocLine>{B}*"///"[/]+{B}*/"\n" { // ignore marker line (see bug700345)
+ yyextra->CCodeBuffer += yytext;
+ BEGIN( yyextra->docBlockContext );
+ }
+<DocLine>[^\n]*/"\n"{B}*"//"[!/]{B}*{CMD}"}" { // next line is an end group marker, see bug 752712
+ yyextra->CCodeBuffer += yytext;
+ BEGIN( yyextra->docBlockContext );
+ }
+<DocLine>[^\n]*/"\n" { // whole line
+ yyextra->CCodeBuffer += yytext;
+ BEGIN( yyextra->docBlockContext );
+ }
+
+ /* ---- Comments blocks ------ */
+
+<DocBlock>"*"*"*/" { // end of comment block
+ yyextra->CCodeBuffer += yytext;
+ BEGIN(yyextra->docBlockContext);
+ }
+<DocBlock>^{B}*"*"+/[^/] {
+ yyextra->CCodeBuffer += yytext;
+ }
+<DocBlock>^{B}*("//")?{B}*"*"+/[^//a-z_A-Z0-9*] { // start of a comment line
+ yyextra->CCodeBuffer += yytext;
+ }
+<DocBlock>^{B}*("//"){B}* { // strip embedded C++ comments if at the start of a line
+ yyextra->CCodeBuffer += yytext;
+ }
+<DocBlock>"//" { // slashes in the middle of a comment block
+ yyextra->CCodeBuffer += yytext;
+ }
+<DocBlock>"/*" { // 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>"/*"|"*/"|"//" {
+ 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}*("/*!"|"/**"|"//!"|"///")"<" { // 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);}
+ */
+<*><<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().copy();
+ 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(),
+ 0,yyextra->yyLineNr);
+ setCurrentDoc(yyscanner,lineAnchor);
+ }
+ }
+ else
+ {
+ yyextra->code->writeLineNumber(0,0,0,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 char *text)
+{
+ struct yyguts_t *yyg = (struct yyguts_t*)yyscanner;
+ const char *p=text,*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 char *scopeName,
+ const QCString &input,
+ SrcLangExt,
+ bool isExampleBlock,
+ const char *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 ? fileDef->fileName().data(): NULL);
+
+ yyextra->code = &codeOutIntf;
+ yyextra->inputString = input;
+ 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("",(exampleName?exampleName:"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 ? fileDef->fileName().data(): NULL);
+}
+
+//---------------------------------------------------------------------------------
+
+#if USE_STATE2STRING
+#include "lexcode.l.h"
+#endif
generated by cgit v0.12 at 2024-11-05 02:38:43 (GMT)