3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * Full author contact details are available in file CREDITS.
13 If someone desperately needs partial "structures" (such as a few
14 cells of an array inset or similar) (s)he could uses the
15 following hack as starting point to write some macros:
20 \def\makeamptab{\catcode`\&=4\relax}
21 \def\makeampletter{\catcode`\&=11\relax}
22 \def\b{\makeampletter\expandafter\makeamptab\bi}
40 #include "MathParser.h"
42 #include "InsetMathArray.h"
43 #include "InsetMathBig.h"
44 #include "InsetMathBrace.h"
45 #include "InsetMathChar.h"
46 #include "InsetMathColor.h"
47 #include "InsetMathComment.h"
48 #include "InsetMathDelim.h"
49 #include "InsetMathEnsureMath.h"
50 #include "InsetMathEnv.h"
51 #include "InsetMathFrac.h"
52 #include "InsetMathKern.h"
53 #include "MathMacro.h"
54 #include "InsetMathPar.h"
55 #include "InsetMathRef.h"
56 #include "InsetMathRoot.h"
57 #include "InsetMathScript.h"
58 #include "InsetMathSpace.h"
59 #include "InsetMathSplit.h"
60 #include "InsetMathSqrt.h"
61 #include "InsetMathTabular.h"
62 #include "MathMacroTemplate.h"
63 #include "MathFactory.h"
64 #include "MathMacroArgument.h"
65 #include "MathSupport.h"
68 #include "BufferParams.h"
72 #include "support/debug.h"
73 #include "support/convert.h"
74 #include "support/docstream.h"
86 InsetMath::mode_type asMode(InsetMath::mode_type oldmode, docstring const & str)
88 //lyxerr << "handling mode: '" << str << "'" << endl;
89 if (str == "mathmode")
90 return InsetMath::MATH_MODE;
91 if (str == "textmode" || str == "forcetext")
92 return InsetMath::TEXT_MODE;
97 bool stared(docstring const & s)
99 size_t const n = s.size();
100 return n && s[n - 1] == '*';
104 docstring const repl(docstring const & oldstr, char_type const c,
105 docstring const & macro, bool textmode = false)
111 for (i = 0, j = 0; i < oldstr.size(); ++i) {
112 if (c == oldstr[i]) {
113 newstr.append(oldstr, j, i - j);
114 newstr.append(macro);
116 if (macro.size() > 2 && j < oldstr.size())
117 newstr += (textmode && oldstr[j] == ' ' ? '\\' : ' ');
125 newstr.append(oldstr, j, i - j);
130 docstring escapeSpecialChars(docstring const & str, bool textmode)
132 docstring const backslash = textmode ? from_ascii("\\textbackslash")
133 : from_ascii("\\backslash");
134 docstring const caret = textmode ? from_ascii("\\textasciicircum")
135 : from_ascii("\\mathcircumflex");
136 docstring const tilde = textmode ? from_ascii("\\textasciitilde")
137 : from_ascii("\\sim");
139 return repl(repl(repl(repl(repl(repl(repl(repl(repl(repl(str,
140 '\\', backslash, textmode),
141 '^', caret, textmode),
142 '~', tilde, textmode),
143 '_', from_ascii("\\_")),
144 '$', from_ascii("\\$")),
145 '#', from_ascii("\\#")),
146 '&', from_ascii("\\&")),
147 '%', from_ascii("\\%")),
148 '{', from_ascii("\\{")),
149 '}', from_ascii("\\}"));
154 * Add the row \p cellrow to \p grid.
155 * \returns wether the row could be added. Adding a row can fail for
156 * environments like "equation" that have a fixed number of rows.
158 bool addRow(InsetMathGrid & grid, InsetMathGrid::row_type & cellrow,
159 docstring const & vskip, bool allow_newpage_ = true)
162 if (cellrow == grid.nrows()) {
163 //lyxerr << "adding row " << cellrow << endl;
164 grid.addRow(cellrow - 1);
165 if (cellrow == grid.nrows()) {
166 // We can't add a row to this grid, so let's
167 // append the content of this cell to the previous
169 // This does not happen in well formed .lyx files,
170 // but LyX versions 1.3.x and older could create
171 // such files and tex2lyx can still do that.
173 lyxerr << "ignoring extra row";
175 lyxerr << " with extra space " << to_utf8(vskip);
177 lyxerr << " with no page break allowed";
178 lyxerr << '.' << endl;
182 grid.vcrskip(Length(to_utf8(vskip)), cellrow - 1);
183 grid.rowinfo(cellrow - 1).allow_newpage_ = allow_newpage_;
189 * Add the column \p cellcol to \p grid.
190 * \returns wether the column could be added. Adding a column can fail for
191 * environments like "eqnarray" that have a fixed number of columns.
193 bool addCol(InsetMathGrid & grid, InsetMathGrid::col_type & cellcol)
196 if (cellcol == grid.ncols()) {
197 //lyxerr << "adding column " << cellcol << endl;
198 grid.addCol(cellcol);
199 if (cellcol == grid.ncols()) {
200 // We can't add a column to this grid, so let's
201 // append the content of this cell to the previous
203 // This does not happen in well formed .lyx files,
204 // but LyX versions 1.3.x and older could create
205 // such files and tex2lyx can still do that.
207 lyxerr << "ignoring extra column." << endl;
216 * Check wether the last row is empty and remove it if yes.
217 * Otherwise the following code
225 * will result in a grid with 3 rows (+ the dummy row that is always present),
226 * because the last '\\' opens a new row.
228 void delEmptyLastRow(InsetMathGrid & grid)
230 InsetMathGrid::row_type const row = grid.nrows() - 1;
231 for (InsetMathGrid::col_type col = 0; col < grid.ncols(); ++col) {
232 if (!grid.cell(grid.index(row, col)).empty())
235 // Copy the row information of the empty row (which would contain the
236 // last hline in the example above) to the dummy row and delete the
238 grid.rowinfo(row + 1) = grid.rowinfo(row);
243 // These are TeX's catcodes
245 catEscape, // 0 backslash
255 catSpace, // 10 space
256 catLetter, // 11 a-zA-Z
257 catOther, // 12 none of the above
260 catInvalid // 15 <delete>
263 CatCode theCatcode[128];
266 inline CatCode catcode(char_type c)
268 /* The only characters that are not catOther lie in the pure ASCII
269 * range. Therefore theCatcode has only 128 entries.
270 * TeX itself deals with 8bit characters, so if needed this table
271 * could be enlarged to 256 entries.
272 * Any larger value does not make sense, since the fact that we use
273 * unicode internally does not change Knuth's TeX engine.
274 * Apart from that a table for the full 21bit UCS4 range would waste
275 * too much memory. */
279 return theCatcode[c];
284 FLAG_ALIGN = 1 << 0, // next & or \\ ends the parsing process
285 FLAG_BRACE_LAST = 1 << 1, // next closing brace ends the parsing
286 FLAG_RIGHT = 1 << 2, // next \\right ends the parsing process
287 FLAG_END = 1 << 3, // next \\end ends the parsing process
288 FLAG_BRACK_LAST = 1 << 4, // next closing bracket ends the parsing
289 FLAG_TEXTMODE = 1 << 5, // we are in a box
290 FLAG_ITEM = 1 << 6, // read a (possibly braced) token
291 FLAG_LEAVE = 1 << 7, // leave the loop at the end
292 FLAG_SIMPLE = 1 << 8, // next $ leaves the loop
293 FLAG_EQUATION = 1 << 9, // next \] leaves the loop
294 FLAG_SIMPLE2 = 1 << 10, // next \) leaves the loop
295 FLAG_OPTION = 1 << 11, // read [...] style option
296 FLAG_BRACED = 1 << 12 // read {...} style argument
301 // Helper class for parsing
307 Token() : cs_(), char_(0), cat_(catIgnore) {}
309 Token(char_type c, CatCode cat) : cs_(), char_(c), cat_(cat) {}
311 explicit Token(docstring const & cs) : cs_(cs), char_(0), cat_(catIgnore) {}
314 docstring const & cs() const { return cs_; }
316 CatCode cat() const { return cat_; }
318 char_type character() const { return char_; }
320 docstring asString() const { return cs_.size() ? cs_ : docstring(1, char_); }
322 docstring asInput() const { return cs_.size() ? '\\' + cs_ : docstring(1, char_); }
334 ostream & operator<<(ostream & os, Token const & t)
337 docstring const & cs = t.cs();
338 // FIXME: For some strange reason, the stream operator instanciate
339 // a new Token before outputting the contents of t.cs().
340 // Because of this the line
342 // below becomes recursive.
343 // In order to avoid that we return early:
346 os << '\\' << to_utf8(cs);
348 else if (t.cat() == catLetter)
351 os << '[' << t.character() << ',' << t.cat() << ']';
359 typedef InsetMath::mode_type mode_type;
361 typedef Parse::flags parse_mode;
364 Parser(Lexer & lex, parse_mode mode, Buffer * buf);
365 /// Only use this for reading from .lyx file format, for the reason
366 /// see Parser::tokenize(istream &).
367 Parser(istream & is, parse_mode mode, Buffer * buf);
369 Parser(docstring const & str, parse_mode mode, Buffer * buf);
372 bool parse(MathAtom & at);
374 bool parse(MathData & array, unsigned flags, mode_type mode);
376 bool parse1(InsetMathGrid & grid, unsigned flags, mode_type mode,
379 MathData parse(unsigned flags, mode_type mode);
381 int lineno() const { return lineno_; }
387 void parse2(MathAtom & at, unsigned flags, mode_type mode, bool numbered);
388 /// get arg delimited by 'left' and 'right'
389 docstring getArg(char_type left, char_type right);
393 void error(string const & msg);
394 void error(docstring const & msg) { error(to_utf8(msg)); }
395 /// dump contents to screen
397 /// Only use this for reading from .lyx file format (see
398 /// implementation for reason)
399 void tokenize(istream & is);
401 void tokenize(docstring const & s);
403 void skipSpaceTokens(idocstream & is, char_type c);
405 void push_back(Token const & t);
409 Token const & prevToken() const;
411 Token const & nextToken() const;
413 Token const & getToken();
414 /// skips spaces if any
417 void lex(docstring const & s);
421 docstring parse_verbatim_item();
423 docstring parse_verbatim_option();
428 vector<Token> tokens_;
431 /// Stack of active environments
432 vector<docstring> environments_;
442 Parser::Parser(Lexer & lexer, parse_mode mode, Buffer * buf)
443 : lineno_(lexer.lineNumber()), pos_(0), mode_(mode), success_(true),
446 tokenize(lexer.getStream());
451 Parser::Parser(istream & is, parse_mode mode, Buffer * buf)
452 : lineno_(0), pos_(0), mode_(mode), success_(true), buffer_(buf)
458 Parser::Parser(docstring const & str, parse_mode mode, Buffer * buf)
459 : lineno_(0), pos_(0), mode_(mode), success_(true), buffer_(buf)
465 void Parser::push_back(Token const & t)
467 tokens_.push_back(t);
471 void Parser::pop_back()
477 Token const & Parser::prevToken() const
479 static const Token dummy;
480 return pos_ > 0 ? tokens_[pos_ - 1] : dummy;
484 Token const & Parser::nextToken() const
486 static const Token dummy;
487 return good() ? tokens_[pos_] : dummy;
491 Token const & Parser::getToken()
493 static const Token dummy;
494 //lyxerr << "looking at token " << tokens_[pos_] << " pos: " << pos_ << endl;
495 return good() ? tokens_[pos_++] : dummy;
499 void Parser::skipSpaces()
501 while (nextToken().cat() == catSpace || nextToken().cat() == catNewline)
506 void Parser::putback()
512 bool Parser::good() const
514 return pos_ < tokens_.size();
518 char_type Parser::getChar()
521 error("The input stream is not well...");
525 return tokens_[pos_++].character();
529 docstring Parser::getArg(char_type left, char_type right)
534 char_type c = getChar();
539 while ((c = getChar()) != right && good())
546 void Parser::skipSpaceTokens(idocstream & is, char_type c)
548 // skip trailing spaces
549 while (catcode(c) == catSpace || catcode(c) == catNewline)
552 //lyxerr << "putting back: " << c << endl;
557 void Parser::tokenize(istream & is)
559 // eat everything up to the next \end_inset or end of stream
560 // and store it in s for further tokenization
565 if (s.size() >= 10 && s.substr(s.size() - 10) == "\\end_inset") {
566 s = s.substr(0, s.size() - 10);
570 // Remove the space after \end_inset
571 if (is.get(c) && c != ' ')
575 tokenize(from_utf8(s));
579 void Parser::tokenize(docstring const & buffer)
581 idocstringstream is(mode_ & Parse::VERBATIM
582 ? escapeSpecialChars(buffer, mode_ & Parse::TEXTMODE)
583 : buffer, ios::in | ios::binary);
587 //lyxerr << "reading c: " << c << endl;
589 switch (catcode(c)) {
593 if (catcode(c) == catNewline)
594 ; //push_back(Token("par"));
596 push_back(Token('\n', catNewline));
604 while (is.get(c) && catcode(c) != catNewline)
614 error("unexpected end of input");
617 if (catcode(c) == catLetter) {
619 while (is.get(c) && catcode(c) == catLetter)
621 skipSpaceTokens(is, c);
630 push_back(Token(c, catcode(c)));
632 skipSpaceTokens(is, c);
637 if (!(mode_ & Parse::QUIET))
638 lyxerr << "ignoring a char: " << int(c) << endl;
643 push_back(Token(c, catcode(c)));
653 void Parser::dump() const
655 lyxerr << "\nTokens: ";
656 for (unsigned i = 0; i < tokens_.size(); ++i) {
659 lyxerr << tokens_[i];
661 lyxerr << " pos: " << pos_ << endl;
665 void Parser::error(string const & msg)
668 if (!(mode_ & Parse::QUIET)) {
669 lyxerr << "Line ~" << lineno_ << ": Math parse error: "
676 bool Parser::parse(MathAtom & at)
679 MathData ar(buffer_);
680 parse(ar, false, InsetMath::UNDECIDED_MODE);
681 if (ar.size() != 1 || ar.front()->getType() == hullNone) {
682 if (!(mode_ & Parse::QUIET))
683 lyxerr << "unusual contents found: " << ar << endl;
684 at = MathAtom(new InsetMathPar(buffer_, ar));
685 //if (at->nargs() > 0)
686 // at.nucleus()->cell(0) = ar;
688 // lyxerr << "unusual contents found: " << ar << endl;
696 docstring Parser::parse_verbatim_option()
700 if (nextToken().character() == '[') {
701 Token t = getToken();
702 for (Token t = getToken(); t.character() != ']' && good(); t = getToken()) {
703 if (t.cat() == catBegin) {
705 res += '{' + parse_verbatim_item() + '}';
714 docstring Parser::parse_verbatim_item()
718 if (nextToken().cat() == catBegin) {
719 Token t = getToken();
720 for (Token t = getToken(); t.cat() != catEnd && good(); t = getToken()) {
721 if (t.cat() == catBegin) {
723 res += '{' + parse_verbatim_item() + '}';
733 MathData Parser::parse(unsigned flags, mode_type mode)
735 MathData ar(buffer_);
736 parse(ar, flags, mode);
741 bool Parser::parse(MathData & array, unsigned flags, mode_type mode)
743 InsetMathGrid grid(buffer_, 1, 1);
744 parse1(grid, flags, mode, false);
745 array = grid.cell(0);
750 void Parser::parse2(MathAtom & at, const unsigned flags, const mode_type mode,
753 parse1(*(at.nucleus()->asGridInset()), flags, mode, numbered);
757 bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
758 const mode_type mode, const bool numbered)
761 InsetMathGrid::row_type cellrow = 0;
762 InsetMathGrid::col_type cellcol = 0;
763 MathData * cell = &grid.cell(grid.index(cellrow, cellcol));
764 Buffer * buf = buffer_;
766 if (grid.asHullInset())
767 grid.asHullInset()->numbered(cellrow, numbered);
770 //lyxerr << " flags: " << flags << endl;
771 //lyxerr << " mode: " << mode << endl;
772 //lyxerr << "grid: " << grid << endl;
775 Token const & t = getToken();
778 lyxerr << "t: " << t << " flags: " << flags << endl;
779 lyxerr << "mode: " << mode << endl;
784 if (flags & FLAG_ITEM) {
786 if (t.cat() == catBegin) {
787 // skip the brace and collect everything to the next matching
789 parse1(grid, FLAG_BRACE_LAST, mode, numbered);
793 // handle only this single token, leave the loop if done
798 if (flags & FLAG_BRACED) {
799 if (t.cat() == catSpace)
802 if (t.cat() != catBegin) {
803 error("opening brace expected");
807 // skip the brace and collect everything to the next matching
809 flags = FLAG_BRACE_LAST;
813 if (flags & FLAG_OPTION) {
814 if (t.cat() == catOther && t.character() == '[') {
816 parse(ar, FLAG_BRACK_LAST, mode);
819 // no option found, put back token and we are done
828 if (t.cat() == catMath) {
829 if (mode != InsetMath::MATH_MODE) {
830 // we are inside some text mode thingy, so opening new math is allowed
831 Token const & n = getToken();
832 if (n.cat() == catMath) {
833 // TeX's $$...$$ syntax for displayed math
834 cell->push_back(MathAtom(new InsetMathHull(buf, hullEquation)));
835 parse2(cell->back(), FLAG_SIMPLE, InsetMath::MATH_MODE, false);
836 getToken(); // skip the second '$' token
838 // simple $...$ stuff
840 if (mode == InsetMath::UNDECIDED_MODE) {
841 cell->push_back(MathAtom(new InsetMathHull(buf, hullSimple)));
842 parse2(cell->back(), FLAG_SIMPLE, InsetMath::MATH_MODE, false);
844 // Don't create nested math hulls (bug #5392)
845 cell->push_back(MathAtom(new InsetMathEnsureMath(buf)));
846 parse(cell->back().nucleus()->cell(0), FLAG_SIMPLE, InsetMath::MATH_MODE);
851 else if (flags & FLAG_SIMPLE) {
852 // this is the end of the formula
857 error("something strange in the parser");
862 else if (t.cat() == catLetter)
863 cell->push_back(MathAtom(new InsetMathChar(t.character())));
865 else if (t.cat() == catSpace && mode != InsetMath::MATH_MODE) {
866 if (cell->empty() || cell->back()->getChar() != ' ')
867 cell->push_back(MathAtom(new InsetMathChar(t.character())));
870 else if (t.cat() == catNewline && mode != InsetMath::MATH_MODE) {
871 if (cell->empty() || cell->back()->getChar() != ' ')
872 cell->push_back(MathAtom(new InsetMathChar(' ')));
875 else if (t.cat() == catParameter) {
876 Token const & n = getToken();
877 cell->push_back(MathAtom(new MathMacroArgument(n.character()-'0')));
880 else if (t.cat() == catActive)
881 cell->push_back(MathAtom(new InsetMathChar(t.character())));
883 else if (t.cat() == catBegin) {
885 parse(ar, FLAG_BRACE_LAST, mode);
886 // do not create a BraceInset if they were written by LyX
887 // this helps to keep the annoyance of "a choose b" to a minimum
888 if (ar.size() == 1 && ar[0]->extraBraces())
891 cell->push_back(MathAtom(new InsetMathBrace(ar)));
894 else if (t.cat() == catEnd) {
895 if (flags & FLAG_BRACE_LAST)
897 error("found '}' unexpectedly");
898 //LASSERT(false, /**/);
899 //add(cell, '}', LM_TC_TEX);
902 else if (t.cat() == catAlign) {
903 //lyxerr << " column now " << (cellcol + 1)
904 // << " max: " << grid.ncols() << endl;
905 if (flags & FLAG_ALIGN)
907 if (addCol(grid, cellcol))
908 cell = &grid.cell(grid.index(cellrow, cellcol));
911 else if (t.cat() == catSuper || t.cat() == catSub) {
912 bool up = (t.cat() == catSuper);
913 // we need no new script inset if the last thing was a scriptinset,
914 // which has that script already not the same script already
916 cell->push_back(MathAtom(new InsetMathScript(buf, up)));
917 else if (cell->back()->asScriptInset() &&
918 !cell->back()->asScriptInset()->has(up))
919 cell->back().nucleus()->asScriptInset()->ensure(up);
920 else if (cell->back()->asScriptInset())
921 cell->push_back(MathAtom(new InsetMathScript(buf, up)));
923 cell->back() = MathAtom(new InsetMathScript(buf, cell->back(), up));
924 InsetMathScript * p = cell->back().nucleus()->asScriptInset();
925 // special handling of {}-bases
926 // Here we could remove the brace inset for things
927 // like {a'}^2 and add the braces back in
928 // InsetMathScript::write().
929 // We do not do it, since it is not possible to detect
930 // reliably whether the braces are needed because the
931 // nucleus contains more than one symbol, or whether
932 // they are needed for unknown commands like \xx{a}_0
933 // or \yy{a}{b}_0. This was done in revision 14819
934 // in an unreliable way. See this thread
935 // http://www.mail-archive.com/lyx-devel%40lists.lyx.org/msg104917.html
937 parse(p->cell(p->idxOfScript(up)), FLAG_ITEM, mode);
944 else if (t.character() == ']' && (flags & FLAG_BRACK_LAST)) {
945 //lyxerr << "finished reading option" << endl;
949 else if (t.cat() == catOther) {
950 char_type c = t.character();
951 if (isAsciiOrMathAlpha(c)
952 || mode_ & Parse::VERBATIM
953 || !(mode_ & Parse::USETEXT)
954 || mode == InsetMath::TEXT_MODE) {
955 cell->push_back(MathAtom(new InsetMathChar(c)));
957 MathAtom at = createInsetMath("text", buf);
958 at.nucleus()->cell(0).push_back(MathAtom(new InsetMathChar(c)));
959 while (nextToken().cat() == catOther
960 && !isAsciiOrMathAlpha(nextToken().character())) {
961 c = getToken().character();
962 at.nucleus()->cell(0).push_back(MathAtom(new InsetMathChar(c)));
968 else if (t.cat() == catComment) {
971 Token const & t = getToken();
972 if (t.cat() == catNewline)
976 cell->push_back(MathAtom(new InsetMathComment(buf, s)));
984 else if (t.cs() == "lyxlock") {
986 cell->back().nucleus()->lock(true);
989 else if ((t.cs() == "global" && nextToken().cs() == "def") ||
991 if (t.cs() == "global")
995 docstring name = getToken().cs();
1000 while (good() && nextToken().cat() != catBegin) {
1001 pars += getToken().cs();
1008 parse(def, FLAG_ITEM, InsetMath::UNDECIDED_MODE);
1010 // is a version for display attached?
1013 if (nextToken().cat() == catBegin)
1014 parse(display, FLAG_ITEM, InsetMath::MATH_MODE);
1016 cell->push_back(MathAtom(new MathMacroTemplate(buf,
1017 name, nargs, 0, MacroTypeDef,
1018 vector<MathData>(), def, display)));
1020 if (buf && (mode_ & Parse::TRACKMACRO))
1021 buf->usermacros.insert(name);
1024 else if (t.cs() == "newcommand" ||
1025 t.cs() == "renewcommand" ||
1026 t.cs() == "newlyxcommand") {
1028 if (getToken().cat() != catBegin) {
1029 error("'{' in \\newcommand expected (1) ");
1032 docstring name = getToken().cs();
1033 if (getToken().cat() != catEnd) {
1034 error("'}' in \\newcommand expected");
1039 docstring const arg = getArg('[', ']');
1042 nargs = convert<int>(arg);
1044 // optional argument given?
1047 vector<MathData> optionalValues;
1048 while (nextToken().character() == '[') {
1050 optionalValues.push_back(MathData());
1051 parse(optionalValues[optionals], FLAG_BRACK_LAST, mode);
1056 parse(def, FLAG_ITEM, InsetMath::UNDECIDED_MODE);
1058 // is a version for display attached?
1061 if (nextToken().cat() == catBegin)
1062 parse(display, FLAG_ITEM, InsetMath::MATH_MODE);
1064 cell->push_back(MathAtom(new MathMacroTemplate(buf,
1065 name, nargs, optionals, MacroTypeNewcommand,
1066 optionalValues, def, display)));
1068 if (buf && (mode_ & Parse::TRACKMACRO))
1069 buf->usermacros.insert(name);
1072 else if (t.cs() == "newcommandx" ||
1073 t.cs() == "renewcommandx") {
1074 // \newcommandx{\foo}[2][usedefault, addprefix=\global,1=default]{#1,#2}
1077 if (nextToken().cat() == catBegin) {
1079 name = getToken().cs();
1080 if (getToken().cat() != catEnd) {
1081 error("'}' in \\newcommandx expected");
1085 name = getToken().cs();
1088 docstring const arg = getArg('[', ']');
1090 error("[num] in \\newcommandx expected");
1093 int nargs = convert<int>(arg);
1097 vector<MathData> optionalValues;
1098 if (nextToken().character() == '[') {
1102 // handle 'opt=value' options, separated by ','.
1104 while (nextToken().character() != ']' && good()) {
1105 if (nextToken().character() >= '1'
1106 && nextToken().character() <= '9') {
1107 // optional value -> get parameter number
1108 int n = getChar() - '0';
1110 error("Arity of \\newcommandx too low "
1111 "for given optional parameter.");
1116 if (getToken().character() != '=') {
1117 error("'=' and optional parameter value "
1118 "expected for \\newcommandx");
1123 int optNum = max(size_t(n), optionalValues.size());
1124 optionalValues.resize(optNum);
1125 optionalValues[n - 1].clear();
1126 while (nextToken().character() != ']'
1127 && nextToken().character() != ',') {
1129 parse(data, FLAG_ITEM, InsetMath::UNDECIDED_MODE);
1130 optionalValues[n - 1].append(data);
1132 optionals = max(n, optionals);
1133 } else if (nextToken().cat() == catLetter) {
1134 // we in fact ignore every non-optional
1139 while (nextToken().cat() == catLetter)
1145 if (nextToken().character() == '=') {
1147 while (nextToken().character() != ']'
1148 && nextToken().character() != ',')
1149 parse(value, FLAG_ITEM,
1150 InsetMath::UNDECIDED_MODE);
1153 error("option for \\newcommandx expected");
1159 if (nextToken().character() == ',') {
1162 } else if (nextToken().character() != ']') {
1163 error("Expecting ',' or ']' in options "
1164 "of \\newcommandx");
1177 parse(def, FLAG_ITEM, InsetMath::UNDECIDED_MODE);
1179 // is a version for display attached?
1182 if (nextToken().cat() == catBegin)
1183 parse(display, FLAG_ITEM, InsetMath::MATH_MODE);
1185 cell->push_back(MathAtom(new MathMacroTemplate(buf,
1186 name, nargs, optionals, MacroTypeNewcommandx,
1187 optionalValues, def, display)));
1189 if (buf && (mode_ & Parse::TRACKMACRO))
1190 buf->usermacros.insert(name);
1193 else if (t.cs() == "(") {
1194 if (mode == InsetMath::MATH_MODE) {
1195 error("bad math environment");
1198 cell->push_back(MathAtom(new InsetMathHull(buf, hullSimple)));
1199 parse2(cell->back(), FLAG_SIMPLE2, InsetMath::MATH_MODE, false);
1202 else if (t.cs() == "[") {
1203 if (mode != InsetMath::UNDECIDED_MODE) {
1204 error("bad math environment");
1207 cell->push_back(MathAtom(new InsetMathHull(buf, hullEquation)));
1208 parse2(cell->back(), FLAG_EQUATION, InsetMath::MATH_MODE, false);
1211 else if (t.cs() == "protect")
1212 // ignore \\protect, will hopefully be re-added during output
1215 else if (t.cs() == "end") {
1216 if (flags & FLAG_END) {
1217 // eat environment name
1218 docstring const name = getArg('{', '}');
1219 if (environments_.empty())
1220 error("'found \\end{" + name +
1221 "}' without matching '\\begin{" +
1223 else if (name != environments_.back())
1224 error("'\\end{" + name +
1225 "}' does not match '\\begin{" +
1226 environments_.back() + "}'");
1228 environments_.pop_back();
1229 // Delete empty last row in matrix
1231 // If you abuse InsetMathGrid for
1232 // non-matrix like structures you
1233 // probably need to refine this test.
1234 // Right now we only have to test for
1235 // single line hull insets.
1236 if (grid.nrows() > 1)
1237 delEmptyLastRow(grid);
1241 error("found 'end' unexpectedly");
1244 else if (t.cs() == ")") {
1245 if (flags & FLAG_SIMPLE2)
1247 error("found '\\)' unexpectedly");
1250 else if (t.cs() == "]") {
1251 if (flags & FLAG_EQUATION)
1253 error("found '\\]' unexpectedly");
1256 else if (t.cs() == "\\") {
1257 if (flags & FLAG_ALIGN)
1260 if (nextToken().asInput() == "*") {
1262 added = addRow(grid, cellrow, docstring(), false);
1264 added = addRow(grid, cellrow, getArg('[', ']'));
1266 error("missing token after \\\\");
1269 if (grid.asHullInset())
1270 grid.asHullInset()->numbered(
1272 cell = &grid.cell(grid.index(cellrow,
1278 else if (t.cs() == "multicolumn") {
1279 // extract column count and insert dummy cells
1281 parse(count, FLAG_ITEM, mode);
1283 if (!extractNumber(count, cols)) {
1285 lyxerr << " can't extract number of cells from " << count << endl;
1287 // resize the table if necessary
1288 for (int i = 0; i < cols; ++i) {
1289 if (addCol(grid, cellcol)) {
1290 cell = &grid.cell(grid.index(
1292 // mark this as dummy
1293 grid.cellinfo(grid.index(
1294 cellrow, cellcol)).dummy_ = true;
1297 // the last cell is the real thing, not a dummy
1298 grid.cellinfo(grid.index(cellrow, cellcol)).dummy_ = false;
1300 // read special alignment
1302 parse(align, FLAG_ITEM, mode);
1303 //grid.cellinfo(grid.index(cellrow, cellcol)).align_ = extractString(align);
1305 // parse the remaining contents into the "real" cell
1306 parse(*cell, FLAG_ITEM, mode);
1310 else if (t.cs() == "limits")
1313 else if (t.cs() == "nolimits")
1316 else if (t.cs() == "nonumber") {
1317 if (grid.asHullInset())
1318 grid.asHullInset()->numbered(cellrow, false);
1321 else if (t.cs() == "number") {
1322 if (grid.asHullInset())
1323 grid.asHullInset()->numbered(cellrow, true);
1326 else if (t.cs() == "hline") {
1327 grid.rowinfo(cellrow).lines_ ++;
1330 else if (t.cs() == "sqrt") {
1332 parse(ar, FLAG_OPTION, mode);
1334 cell->push_back(MathAtom(new InsetMathRoot(buf)));
1335 cell->back().nucleus()->cell(0) = ar;
1336 parse(cell->back().nucleus()->cell(1), FLAG_ITEM, mode);
1338 cell->push_back(MathAtom(new InsetMathSqrt(buf)));
1339 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1343 else if (t.cs() == "unit") {
1344 // Allowed formats \unit[val]{unit}
1346 parse(ar, FLAG_OPTION, mode);
1348 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNIT)));
1349 cell->back().nucleus()->cell(0) = ar;
1350 parse(cell->back().nucleus()->cell(1), FLAG_ITEM, mode);
1352 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNIT, 1)));
1353 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1357 else if (t.cs() == "unitfrac") {
1358 // Here allowed formats are \unitfrac[val]{num}{denom}
1360 parse(ar, FLAG_OPTION, mode);
1362 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNITFRAC, 3)));
1363 cell->back().nucleus()->cell(2) = ar;
1365 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::UNITFRAC)));
1367 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1368 parse(cell->back().nucleus()->cell(1), FLAG_ITEM, mode);
1371 else if (t.cs() == "cfrac") {
1372 // allowed formats are \cfrac[pos]{num}{denom}
1373 docstring const arg = getArg('[', ']');
1374 //lyxerr << "got so far: '" << arg << "'" << endl;
1376 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::CFRACLEFT)));
1377 else if (arg == "r")
1378 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::CFRACRIGHT)));
1379 else if (arg.empty() || arg == "c")
1380 cell->push_back(MathAtom(new InsetMathFrac(buf, InsetMathFrac::CFRAC)));
1382 error("found invalid optional argument");
1385 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1386 parse(cell->back().nucleus()->cell(1), FLAG_ITEM, mode);
1389 else if (t.cs() == "xrightarrow" || t.cs() == "xleftarrow") {
1390 cell->push_back(createInsetMath(t.cs(), buf));
1391 parse(cell->back().nucleus()->cell(1), FLAG_OPTION, mode);
1392 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1395 else if (t.cs() == "ref" || t.cs() == "eqref" || t.cs() == "prettyref"
1396 || t.cs() == "pageref" || t.cs() == "vpageref" || t.cs() == "vref") {
1397 cell->push_back(MathAtom(new InsetMathRef(buf, t.cs())));
1398 parse(cell->back().nucleus()->cell(1), FLAG_OPTION, mode);
1399 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, mode);
1402 else if (t.cs() == "left") {
1404 Token const & tl = getToken();
1405 // \| and \Vert are equivalent, and InsetMathDelim
1407 // FIXME: fix this in InsetMathDelim itself!
1408 docstring const l = tl.cs() == "|" ? from_ascii("Vert") : tl.asString();
1410 parse(ar, FLAG_RIGHT, mode);
1414 Token const & tr = getToken();
1415 docstring const r = tr.cs() == "|" ? from_ascii("Vert") : tr.asString();
1416 cell->push_back(MathAtom(new InsetMathDelim(buf, l, r, ar)));
1419 else if (t.cs() == "right") {
1420 if (flags & FLAG_RIGHT)
1422 //lyxerr << "got so far: '" << cell << "'" << endl;
1423 error("Unmatched right delimiter");
1427 else if (t.cs() == "begin") {
1428 docstring const name = getArg('{', '}');
1429 environments_.push_back(name);
1431 if (name == "array" || name == "subarray") {
1432 docstring const valign = parse_verbatim_option() + 'c';
1433 docstring const halign = parse_verbatim_item();
1434 cell->push_back(MathAtom(new InsetMathArray(buf, name,
1435 InsetMathGrid::guessColumns(halign), 1, (char)valign[0], halign)));
1436 parse2(cell->back(), FLAG_END, mode, false);
1439 else if (name == "tabular") {
1440 docstring const valign = parse_verbatim_option() + 'c';
1441 docstring const halign = parse_verbatim_item();
1442 cell->push_back(MathAtom(new InsetMathTabular(buf, name,
1443 InsetMathGrid::guessColumns(halign), 1, (char)valign[0], halign)));
1444 parse2(cell->back(), FLAG_END, InsetMath::TEXT_MODE, false);
1447 else if (name == "split" || name == "cases") {
1448 cell->push_back(createInsetMath(name, buf));
1449 parse2(cell->back(), FLAG_END, mode, false);
1452 else if (name == "alignedat") {
1453 docstring const valign = parse_verbatim_option() + 'c';
1454 // ignore this for a while
1456 cell->push_back(MathAtom(new InsetMathSplit(buf, name, (char)valign[0])));
1457 parse2(cell->back(), FLAG_END, mode, false);
1460 else if (name == "math") {
1461 if (mode == InsetMath::MATH_MODE) {
1462 error("bad math environment");
1465 cell->push_back(MathAtom(new InsetMathHull(buf, hullSimple)));
1466 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, true);
1469 else if (name == "equation" || name == "equation*"
1470 || name == "displaymath") {
1471 if (mode != InsetMath::UNDECIDED_MODE) {
1472 error("bad math environment");
1475 cell->push_back(MathAtom(new InsetMathHull(buf, hullEquation)));
1476 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, (name == "equation"));
1479 else if (name == "eqnarray" || name == "eqnarray*") {
1480 if (mode != InsetMath::UNDECIDED_MODE) {
1481 error("bad math environment");
1484 cell->push_back(MathAtom(new InsetMathHull(buf, hullEqnArray)));
1485 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1488 else if (name == "align" || name == "align*") {
1489 if (mode != InsetMath::UNDECIDED_MODE) {
1490 error("bad math environment");
1493 cell->push_back(MathAtom(new InsetMathHull(buf, hullAlign)));
1494 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1497 else if (name == "flalign" || name == "flalign*") {
1498 if (mode != InsetMath::UNDECIDED_MODE) {
1499 error("bad math environment");
1502 cell->push_back(MathAtom(new InsetMathHull(buf, hullFlAlign)));
1503 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1506 else if (name == "alignat" || name == "alignat*") {
1507 if (mode != InsetMath::UNDECIDED_MODE) {
1508 error("bad math environment");
1511 // ignore this for a while
1513 cell->push_back(MathAtom(new InsetMathHull(buf, hullAlignAt)));
1514 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1517 else if (name == "xalignat" || name == "xalignat*") {
1518 if (mode != InsetMath::UNDECIDED_MODE) {
1519 error("bad math environment");
1522 // ignore this for a while
1524 cell->push_back(MathAtom(new InsetMathHull(buf, hullXAlignAt)));
1525 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1528 else if (name == "xxalignat") {
1529 if (mode != InsetMath::UNDECIDED_MODE) {
1530 error("bad math environment");
1533 // ignore this for a while
1535 cell->push_back(MathAtom(new InsetMathHull(buf, hullXXAlignAt)));
1536 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1539 else if (name == "multline" || name == "multline*") {
1540 if (mode != InsetMath::UNDECIDED_MODE) {
1541 error("bad math environment");
1544 cell->push_back(MathAtom(new InsetMathHull(buf, hullMultline)));
1545 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1548 else if (name == "gather" || name == "gather*") {
1549 if (mode != InsetMath::UNDECIDED_MODE) {
1550 error("bad math environment");
1553 cell->push_back(MathAtom(new InsetMathHull(buf, hullGather)));
1554 parse2(cell->back(), FLAG_END, InsetMath::MATH_MODE, !stared(name));
1557 else if (latexkeys const * l = in_word_set(name)) {
1558 if (l->inset == "matrix") {
1559 cell->push_back(createInsetMath(name, buf));
1560 parse2(cell->back(), FLAG_END, mode, false);
1561 } else if (l->inset == "split") {
1562 docstring const valign = parse_verbatim_option() + 'c';
1563 cell->push_back(MathAtom(
1564 new InsetMathSplit(buf, name, (char)valign[0])));
1565 parse2(cell->back(), FLAG_END, mode, false);
1568 if (!(mode_ & Parse::QUIET)) {
1570 lyxerr << "found math environment `"
1572 << "' in symbols file with unsupported inset `"
1573 << to_utf8(l->inset)
1576 // create generic environment inset
1577 cell->push_back(MathAtom(new InsetMathEnv(buf, name)));
1578 parse(cell->back().nucleus()->cell(0), FLAG_END, mode);
1584 if (!(mode_ & Parse::QUIET)) {
1586 lyxerr << "found unknown math environment '"
1587 << to_utf8(name) << "'" << endl;
1589 // create generic environment inset
1590 cell->push_back(MathAtom(new InsetMathEnv(buf, name)));
1591 parse(cell->back().nucleus()->cell(0), FLAG_END, mode);
1595 else if (t.cs() == "kern") {
1600 Token const & t = getToken();
1604 while (num_tokens--)
1609 if (isValidLength(to_utf8(s)))
1613 cell->push_back(MathAtom(new InsetMathKern));
1615 cell->push_back(MathAtom(new InsetMathKern(s)));
1618 else if (t.cs() == "label") {
1619 // FIXME: This is swallowed in inline formulas
1620 docstring label = parse_verbatim_item();
1623 if (grid.asHullInset()) {
1624 grid.asHullInset()->label(cellrow, label);
1626 cell->push_back(createInsetMath(t.cs(), buf));
1627 cell->push_back(MathAtom(new InsetMathBrace(ar)));
1631 else if (t.cs() == "choose" || t.cs() == "over"
1632 || t.cs() == "atop" || t.cs() == "brace"
1633 || t.cs() == "brack") {
1634 MathAtom at = createInsetMath(t.cs(), buf);
1635 at.nucleus()->cell(0) = *cell;
1637 parse(at.nucleus()->cell(1), flags, mode);
1638 cell->push_back(at);
1642 else if (t.cs() == "color") {
1643 docstring const color = parse_verbatim_item();
1644 cell->push_back(MathAtom(new InsetMathColor(buf, true, color)));
1645 parse(cell->back().nucleus()->cell(0), flags, mode);
1649 else if (t.cs() == "textcolor") {
1650 docstring const color = parse_verbatim_item();
1651 cell->push_back(MathAtom(new InsetMathColor(buf, false, color)));
1652 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, InsetMath::TEXT_MODE);
1655 else if (t.cs() == "normalcolor") {
1656 cell->push_back(createInsetMath(t.cs(), buf));
1657 parse(cell->back().nucleus()->cell(0), flags, mode);
1661 else if (t.cs() == "substack") {
1662 cell->push_back(createInsetMath(t.cs(), buf));
1663 parse2(cell->back(), FLAG_ITEM, mode, false);
1666 else if (t.cs() == "xymatrix") {
1667 odocstringstream os;
1668 while (good() && nextToken().cat() != catBegin)
1669 os << getToken().asInput();
1670 cell->push_back(createInsetMath(t.cs() + os.str(), buf));
1671 parse2(cell->back(), FLAG_ITEM, mode, false);
1674 else if (t.cs() == "framebox" || t.cs() == "makebox") {
1675 cell->push_back(createInsetMath(t.cs(), buf));
1676 parse(cell->back().nucleus()->cell(0), FLAG_OPTION, InsetMath::TEXT_MODE);
1677 parse(cell->back().nucleus()->cell(1), FLAG_OPTION, InsetMath::TEXT_MODE);
1678 parse(cell->back().nucleus()->cell(2), FLAG_ITEM, InsetMath::TEXT_MODE);
1681 else if (t.cs() == "tag") {
1682 if (nextToken().character() == '*') {
1684 cell->push_back(createInsetMath(t.cs() + '*', buf));
1686 cell->push_back(createInsetMath(t.cs(), buf));
1687 parse(cell->back().nucleus()->cell(0), FLAG_ITEM, InsetMath::TEXT_MODE);
1690 else if (t.cs() == "hspace" && nextToken().character() != '*') {
1691 docstring const name = t.cs();
1692 docstring const arg = parse_verbatim_item();
1694 if (isValidLength(to_utf8(arg), &length))
1695 cell->push_back(MathAtom(new InsetMathSpace(length)));
1697 // Since the Length class cannot use length variables
1698 // we must not create an InsetMathSpace.
1699 cell->push_back(MathAtom(new MathMacro(buf, name)));
1701 mathed_parse_cell(ar, '{' + arg + '}', mode_);
1707 else if (t.cs() == "infer") {
1709 parse(ar, FLAG_OPTION, mode);
1710 cell->push_back(createInsetMath(t.cs(), buf));
1711 parse2(cell->back(), FLAG_ITEM, mode, false);
1715 else if (1 && t.cs() == "ar") {
1716 auto_ptr<InsetMathXYArrow> p(new InsetMathXYArrow);
1717 // try to read target
1718 parse(p->cell(0), FLAG_OTPTION, mode);
1719 // try to read label
1720 if (nextToken().cat() == catSuper || nextToken().cat() == catSub) {
1721 p->up_ = nextToken().cat() == catSuper;
1723 parse(p->cell(1), FLAG_ITEM, mode);
1724 //lyxerr << "read label: " << p->cell(1) << endl;
1727 cell->push_back(MathAtom(p.release()));
1728 //lyxerr << "read cell: " << cell << endl;
1732 else if (t.cs() == "lyxmathsym") {
1734 if (getToken().cat() != catBegin) {
1735 error("'{' expected in \\" + t.cs());
1740 CatCode cat = nextToken().cat();
1741 while (good() && (count || cat != catEnd)) {
1742 if (cat == catBegin)
1744 else if (cat == catEnd)
1746 cmd += getToken().asInput();
1747 cat = nextToken().cat();
1749 if (getToken().cat() != catEnd) {
1750 error("'}' expected in \\" + t.cs());
1755 cmd = Encodings::fromLaTeXCommand(cmd, rem);
1756 for (size_t i = 0; i < cmd.size(); ++i)
1757 cell->push_back(MathAtom(new InsetMathChar(cmd[i])));
1759 char_type c = rem[0];
1760 cell->push_back(MathAtom(new InsetMathChar(c)));
1761 cmd = rem.substr(1);
1765 } while (cmd.size());
1768 else if (t.cs().size()) {
1769 bool const no_mhchem =
1770 (t.cs() == "ce" || t.cs() == "cf") && buf
1771 && buf->params().use_mhchem == BufferParams::package_off;
1772 bool const is_user_macro = no_mhchem ||
1773 (buf && (mode_ & Parse::TRACKMACRO
1774 ? buf->usermacros.count(t.cs()) != 0
1775 : buf->getMacro(t.cs(), false) != 0));
1776 latexkeys const * l = in_word_set(t.cs());
1777 if (l && !is_user_macro) {
1778 if (l->inset == "big") {
1780 docstring const delim = getToken().asInput();
1781 if (InsetMathBig::isBigInsetDelim(delim))
1782 cell->push_back(MathAtom(
1783 new InsetMathBig(t.cs(), delim)));
1785 cell->push_back(createInsetMath(t.cs(), buf));
1790 else if (l->inset == "font") {
1791 cell->push_back(createInsetMath(t.cs(), buf));
1792 parse(cell->back().nucleus()->cell(0),
1793 FLAG_ITEM, asMode(mode, l->extra));
1796 else if (l->inset == "oldfont") {
1797 cell->push_back(createInsetMath(t.cs(), buf));
1798 parse(cell->back().nucleus()->cell(0),
1799 flags | FLAG_ALIGN, asMode(mode, l->extra));
1800 if (prevToken().cat() != catAlign &&
1801 prevToken().cs() != "\\")
1806 else if (l->inset == "style") {
1807 cell->push_back(createInsetMath(t.cs(), buf));
1808 parse(cell->back().nucleus()->cell(0),
1809 flags | FLAG_ALIGN, mode);
1810 if (prevToken().cat() != catAlign &&
1811 prevToken().cs() != "\\")
1817 MathAtom at = createInsetMath(t.cs(), buf);
1818 for (InsetMath::idx_type i = 0; i < at->nargs(); ++i)
1819 parse(at.nucleus()->cell(i),
1820 FLAG_ITEM, asMode(mode, l->extra));
1821 cell->push_back(at);
1826 bool is_unicode_symbol = false;
1827 if (mode == InsetMath::TEXT_MODE && !is_user_macro) {
1829 docstring cmd = prevToken().asInput();
1830 CatCode cat = nextToken().cat();
1831 if (cat == catBegin) {
1833 while (good() && (count || cat != catEnd)) {
1834 cat = nextToken().cat();
1835 cmd += getToken().asInput();
1837 if (cat == catBegin)
1839 else if (cat == catEnd)
1845 Encodings::fromLaTeXCommand(cmd, is_combining);
1847 if (cat == catLetter)
1849 cmd += getToken().asInput();
1851 if (cat == catLetter)
1853 c = Encodings::fromLaTeXCommand(cmd, is_combining);
1856 is_unicode_symbol = true;
1857 cell->push_back(MathAtom(new InsetMathChar(c)));
1859 while (num_tokens--)
1863 if (!is_unicode_symbol) {
1864 MathAtom at = is_user_macro ?
1865 MathAtom(new MathMacro(buf, t.cs()))
1866 : createInsetMath(t.cs(), buf);
1867 InsetMath::mode_type m = mode;
1868 //if (m == InsetMath::UNDECIDED_MODE)
1869 //lyxerr << "default creation: m1: " << m << endl;
1870 if (at->currentMode() != InsetMath::UNDECIDED_MODE)
1871 m = at->currentMode();
1872 //lyxerr << "default creation: m2: " << m << endl;
1873 InsetMath::idx_type start = 0;
1874 // this fails on \bigg[...\bigg]
1876 //parse(opt, FLAG_OPTION, InsetMath::VERBATIM_MODE);
1879 // at.nucleus()->cell(0) = opt;
1881 for (InsetMath::idx_type i = start; i < at->nargs(); ++i) {
1882 parse(at.nucleus()->cell(i), FLAG_ITEM, m);
1885 cell->push_back(at);
1891 if (flags & FLAG_LEAVE) {
1892 flags &= ~FLAG_LEAVE;
1901 } // anonymous namespace
1904 bool mathed_parse_cell(MathData & ar, docstring const & str, Parse::flags f)
1906 return Parser(str, f, ar.buffer()).parse(ar, 0, f & Parse::TEXTMODE ?
1907 InsetMath::TEXT_MODE : InsetMath::MATH_MODE);
1911 bool mathed_parse_cell(MathData & ar, istream & is, Parse::flags f)
1913 return Parser(is, f, ar.buffer()).parse(ar, 0, f & Parse::TEXTMODE ?
1914 InsetMath::TEXT_MODE : InsetMath::MATH_MODE);
1918 bool mathed_parse_normal(Buffer * buf, MathAtom & t, docstring const & str,
1921 return Parser(str, f, buf).parse(t);
1925 bool mathed_parse_normal(Buffer * buf, MathAtom & t, Lexer & lex,
1928 return Parser(lex, f, buf).parse(t);
1932 bool mathed_parse_normal(InsetMathGrid & grid, docstring const & str,
1935 return Parser(str, f, &grid.buffer()).parse1(grid, 0, f & Parse::TEXTMODE ?
1936 InsetMath::TEXT_MODE : InsetMath::MATH_MODE, false);
1942 fill(theCatcode, theCatcode + 128, catOther);
1943 fill(theCatcode + 'a', theCatcode + 'z' + 1, catLetter);
1944 fill(theCatcode + 'A', theCatcode + 'Z' + 1, catLetter);
1946 theCatcode[int('\\')] = catEscape;
1947 theCatcode[int('{')] = catBegin;
1948 theCatcode[int('}')] = catEnd;
1949 theCatcode[int('$')] = catMath;
1950 theCatcode[int('&')] = catAlign;
1951 theCatcode[int('\n')] = catNewline;
1952 theCatcode[int('#')] = catParameter;
1953 theCatcode[int('^')] = catSuper;
1954 theCatcode[int('_')] = catSub;
1955 theCatcode[int(0x7f)] = catIgnore;
1956 theCatcode[int(' ')] = catSpace;
1957 theCatcode[int('\t')] = catSpace;
1958 theCatcode[int('\r')] = catNewline;
1959 theCatcode[int('~')] = catActive;
1960 theCatcode[int('%')] = catComment;