*
* Dependencies: Xlib, XForms
*
- * Copyright: (c) 1996, Alejandro Aguilar Sierra
+ * Copyright: 1996, Alejandro Aguilar Sierra
*
* Version: 0.8beta.
*
*/
#include <config.h>
-#include <stdlib.h>
-#include <ctype.h>
+
+#include <cctype>
#ifdef __GNUG__
-#pragma implementation "math_parser.h"
+#pragma implementation
#endif
#include "math_parser.h"
-#include "math_iter.h"
+#include "array.h"
#include "math_inset.h"
#include "math_macro.h"
+#include "math_macrotable.h"
+#include "math_macrotemplate.h"
#include "math_root.h"
-#include "error.h"
+#include "math_arrayinset.h"
+#include "math_sqrtinset.h"
+#include "math_matrixinset.h"
+#include "math_accentinset.h"
+#include "math_bigopinset.h"
+#include "math_funcinset.h"
+#include "math_spaceinset.h"
+#include "math_sizeinset.h"
+#include "math_dotsinset.h"
+#include "math_fracinset.h"
+#include "math_deliminset.h"
+#include "math_decorationinset.h"
+#include "debug.h"
+#include "mathed/support.h"
+#include "lyxlex.h"
+
+using std::istream;
+using std::endl;
-enum {
- FLAG_BRACE = 1, // A { needed
- FLAG_BRACE_ARG = 2, // Next { is argument
- FLAG_BRACE_OPT = 4, // Optional {
- FLAG_BRACE_LAST = 8, // Last } ends the parsing process
- FLAG_BRACK_ARG = 16, // Optional [
- FLAG_RIGHT = 32, // Next right ends the parsing process
- FLAG_END = 64, // Next end ends the parsing process
- FLAG_BRACE_FONT = 128, // Next } closes a font
- FLAG_BRACK_END = 256 // Next ] ends the parsing process
+
+
+// These are lexical codes, not semantic
+enum lexcode_enum {
+ LexNone,
+ LexESC,
+ LexAlpha,
+ LexDigit,
+ LexBOP, // Binary operators or relations
+ LexMathSpace,
+ LexOpen,
+ LexClose,
+ LexComment,
+ LexArgument,
+ LexSpace,
+ LexNewLine,
+ LexOther,
+ LexSelf
};
-YYSTYPE yylval;
+lexcode_enum lexcode[256];
+
+
+char const * latex_special_chars = "#$%&_{}";
+
+
+/// Read TeX into data, flags give stop conditions
+void mathed_parse(MathArray & data, unsigned flags);
-static short mathed_env = LM_EN_INTEXT;
+namespace {
-char *mathed_label = 0;
+const unsigned char LM_TK_OPEN = '{';
+const unsigned char LM_TK_CLOSE = '}';
-char const *latex_mathenv[] = {
- "math",
- "displaymath",
- "equation",
- "eqnarray*",
- "eqnarray",
- "array"
+enum {
+ FLAG_BRACE = 1 << 0, // A { needed //}
+ FLAG_BRACE_OPT = 1 << 2, // Optional {
+ FLAG_BRACE_LAST = 1 << 3, // Last } ends the parsing process
+ FLAG_BRACK_ARG = 1 << 4, // Optional [
+ FLAG_RIGHT = 1 << 5, // Next right ends the parsing process
+ FLAG_END = 1 << 6, // Next end ends the parsing process
+ FLAG_BRACE_FONT = 1 << 7, // Next } closes a font
+ FLAG_BRACK_END = 1 << 9, // Next ] ends the parsing process
+ FLAG_AMPERSAND = 1 << 10, // Next & ends the parsing process
+ FLAG_NEWLINE = 1 << 11 // Next \\ ends the parsing process
};
-char const *latex_mathspace[] = {
- "!", ",", ":", ";", "quad", "qquad"
+///
+union {
+ ///
+ int i;
+ ///
+ latexkeys const * l;
+} yylval;
+
+
+string yytext;
+int yylineno;
+istream * yyis;
+MathTextCodes yyvarcode;
+
+
+
+struct latex_mathenv_type {
+ char const * name;
+ char const * basename;
+ MathInsetTypes typ;
+ bool numbered;
+ bool ams;
};
-
-char const *latex_special_chars = "#$%&_{}";
-
-// These are lexical codes, not semantic
-enum lexcode_enum {
- LexNone,
- LexESC,
- LexAlpha,
- LexDigit,
- LexBOP, // Binary operators or relations
- LexMathSpace,
- LexOpen,
- LexClose,
- LexComment,
- LexArgument,
- LexSpace,
- LexNewLine,
- LexOther,
- LexSelf
+
+latex_mathenv_type latex_mathenv[] = {
+ {"math", "math", LM_OT_SIMPLE, 0, 0},
+ {"equation*", "equation", LM_OT_EQUATION, 0, 0},
+ {"equation", "equation", LM_OT_EQUATION, 1, 0},
+ {"eqnarray*", "eqnarray", LM_OT_EQNARRAY, 0, 0},
+ {"eqnarray", "eqnarray", LM_OT_EQNARRAY, 1, 0},
+ {"align*", "align", LM_OT_ALIGN, 0, 1},
+ {"align", "align", LM_OT_ALIGN, 1, 1},
+ {"alignat*", "alignat", LM_OT_ALIGNAT, 0, 1},
+ {"alignat", "alignat", LM_OT_ALIGNAT, 1, 1},
+ {"multline*", "multline", LM_OT_MULTLINE, 0, 1},
+ {"multline", "multline", LM_OT_MULTLINE, 1, 1},
+ {"array", "array", LM_OT_MATRIX, 0, 1}
};
-static lexcode_enum lexcode[256];
-static char yytext[256];
-static int yylineno;
-static FILE *yyin;
-static bool yy_mtextmode=false;
-
-inline
-char *strnew(char const* s)
-{
- char *s1 = new char[strlen(s)+1]; // this leaks when not delete[]'ed
- strcpy(s1, s);
- return s1;
-}
+int const latex_mathenv_num = sizeof(latex_mathenv)/sizeof(latex_mathenv[0]);
+
-static void mathPrintError(char const *msg)
+void mathPrintError(string const & msg)
{
- fprintf(stderr, "Line ~%d: Math parse error: %s\n", yylineno, msg);
+ lyxerr << "Line ~" << yylineno << ": Math parse error: " << msg << endl;
}
-static void LexInitCodes()
+void LexInitCodes()
{
- int i;
-
- for (i=0; i<=255; i++) {
- if (isalpha(i)) lexcode[i] = LexAlpha;
- else if (isdigit(i)) lexcode[i] = LexDigit;
- else if (isspace(i)) lexcode[i] = LexSpace;
- else lexcode[i] = LexNone;
- }
-
- lexcode['\t'] = lexcode['\f'] = lexcode[' '] = LexSpace;
- lexcode['\n'] = LexNewLine;
- lexcode['%'] = LexComment;
- lexcode['#'] = LexArgument;
- lexcode['+'] = lexcode['-'] = lexcode['*'] = lexcode['/'] =
- lexcode['<'] = lexcode['>'] = lexcode['='] = LexBOP;
-
- lexcode['!'] = lexcode[','] = lexcode[':'] = lexcode[';'] = LexMathSpace;
- lexcode['('] = lexcode[')'] = lexcode['|'] = lexcode['.'] = lexcode['?'] = LexOther;
- lexcode['\'']= LexAlpha;
-
- lexcode['['] = lexcode[']'] = lexcode['^'] = lexcode['_'] =
- lexcode['&'] = LexSelf;
-
- lexcode['\\'] = LexESC;
- lexcode['{'] = LexOpen;
- lexcode['}'] = LexClose;
+ for (int i = 0; i <= 255; ++i) {
+ if (isdigit(i))
+ lexcode[i] = LexDigit;
+ else if (isspace(i))
+ lexcode[i] = LexSpace;
+ else
+ lexcode[i] = LexAlpha;
+ }
+
+ lexcode['\t'] = lexcode['\f'] = lexcode[' '] = LexSpace;
+ lexcode['\n'] = LexNewLine;
+ lexcode['%'] = LexComment;
+ lexcode['#'] = LexArgument;
+ lexcode['+'] = lexcode['-'] = lexcode['*'] = lexcode['/']
+ = lexcode['<'] = lexcode['>'] = lexcode['='] = LexBOP;
+
+ lexcode['!'] = lexcode[','] = lexcode[':']
+ = lexcode[';'] = LexMathSpace;
+
+ lexcode['('] = lexcode[')'] = lexcode['|'] = lexcode['.'] =
+ lexcode['?'] = LexOther;
+
+ lexcode['\''] = lexcode['@'] = LexAlpha;
+
+ lexcode['['] = lexcode[']'] = lexcode['^'] = lexcode['_'] =
+ lexcode['&'] = LexSelf;
+
+ lexcode['\\'] = LexESC;
+ lexcode['{'] = LexOpen;
+ lexcode['}'] = LexClose;
}
-static char LexGetArg(char lf, bool accept_spaces=false)
-{
- char c, rg, *p = &yytext[0];
- int bcnt =1;
-
- while (!feof(yyin)) {
- c = getc(yyin);
- if (c>' ') {
- if (!lf) lf = c; else
- if (c!=lf)
- fprintf(stderr, "Math parse error: unexpected '%c'\n", c);
- break;
- }
- }
- rg = (lf=='{') ? '}': ((lf=='[') ? ']': ((lf=='(') ? ')': 0));
- if (!rg) {
- fprintf(stderr, "Math parse error: unknown bracket '%c'\n", lf);
- return '\0';
- }
- do {
- c = getc(yyin);
- if (c==lf) bcnt++;
- if (c==rg) bcnt--;
- if ((c>' ' || (c==' ' && accept_spaces)) && bcnt>0) *(p++) = c;
- } while (bcnt>0 && !feof(yyin));
- *p = '\0';
- return rg;
-}
-static int yylex(void)
+unsigned char LexGetArg(unsigned char lf, bool accept_spaces = false)
{
- static int init_done = 0;
- unsigned char c;
-
- if (!init_done) LexInitCodes();
-
- while (!feof(yyin)) {
- c = getc(yyin);
-
- if (yy_mtextmode && c==' ') {
- yylval.i=' ';
- return LM_TK_ALPHA;
- }
-
- if (lexcode[c]==LexNewLine) {
- yylineno++;
- continue;
- }
-
- if (lexcode[c]==LexComment)
- do c = getc(yyin); while (c!='\n' % !feof(yyin)); // eat comments
-
- if (lexcode[c]==LexDigit || lexcode[c]==LexOther || lexcode[c]==LexMathSpace)
- { yylval.i= c; return LM_TK_STR; }
- if (lexcode[c]==LexAlpha) { yylval.i=c; return LM_TK_ALPHA; }
- if (lexcode[c]==LexBOP) { yylval.i=c; return LM_TK_BOP; }
- if (lexcode[c]==LexSelf) { return c; }
- if (lexcode[c]==LexArgument) {
- c = getc(yyin);
- yylval.i = c - '0';
- return LM_TK_ARGUMENT;
- }
- if (lexcode[c]==LexOpen) { return LM_TK_OPEN; }
- if (lexcode[c]==LexClose) { return LM_TK_CLOSE; }
-
- if (lexcode[c]==LexESC) {
- c = getc(yyin);
- if (c=='\\') { return LM_TK_NEWLINE; }
- if (c=='(') { yylval.i = LM_EN_INTEXT; return LM_TK_BEGIN; }
- if (c==')') { yylval.i = LM_EN_INTEXT; return LM_TK_END; }
- if (c=='[') { yylval.i = LM_EN_DISPLAY; return LM_TK_BEGIN; }
- if (c==']') { yylval.i = LM_EN_DISPLAY; return LM_TK_END; }
- if (strchr(latex_special_chars, c)) {
- yylval.i = c;
- return LM_TK_SPECIAL;
- }
- if (lexcode[c]==LexMathSpace) {
- int i;
- for (i=0; i<4 && c!=latex_mathspace[i][0]; i++);
- yylval.i = (i<4) ? i: 0;
- return LM_TK_SPACE;
- }
- if (lexcode[c]==LexAlpha || lexcode[c]==LexDigit) {
- char* p = &yytext[0];
- while (lexcode[c]==LexAlpha || lexcode[c]==LexDigit) {
- *p = c;
- c = getc(yyin);
- p++;
- }
- *p = '\0';
- if (!feof(yyin)) ungetc(c, yyin);
- latexkeys *l = in_word_set (yytext, strlen(yytext));
- if (l) {
- if (l->token==LM_TK_BEGIN || l->token==LM_TK_END) {
- int i;
- LexGetArg('{');
-// for (i=0; i<5 && strncmp(yytext, latex_mathenv[i],
-// strlen(latex_mathenv[i])); i++);
-
- for (i=0; i<6 && strcmp(yytext, latex_mathenv[i]); i++);
- yylval.i = i;
- } else
- if (l->token==LM_TK_SPACE)
- yylval.i = l->id;
- else
- yylval.l = l;
- return l->token;
- } else {
- yylval.s = yytext;
- return LM_TK_UNDEF;
- }
- }
- }
- }
- return 0;
+ while (yyis->good()) {
+ unsigned char c;
+ yyis->get(c);
+ if (c > ' ') {
+ if (!lf)
+ lf = c;
+ else if (c != lf) {
+ lyxerr << "Math parse error: unexpected '" << c << "'" << endl;
+ return '\0';
+ }
+ break;
+ }
+ }
+ unsigned char rg = 0;
+ if (lf == '{') rg = '}';
+ if (lf == '[') rg = ']';
+ if (lf == '(') rg = ')';
+ if (!rg) {
+ lyxerr << "Math parse error: unknown bracket '" << lf << "'" << endl;
+ return '\0';
+ }
+ yytext.erase();
+ int bcnt = 1;
+ do {
+ unsigned char c;
+ yyis->get(c);
+ if (c == lf) ++bcnt;
+ if (c == rg) --bcnt;
+ if ((c > ' ' || (c == ' ' && accept_spaces)) && bcnt > 0)
+ yytext += c;
+ } while (bcnt > 0 && yyis->good());
+
+ return rg;
}
-int parse_align(char *hor, char *)
-{
- char *c;
- int nc = 0;
- for (c=hor; c && *c>' '; c++) nc++;
- return nc;
+int yylex()
+{
+ static int init_done;
+
+ if (!init_done) LexInitCodes();
+
+ while (yyis->good()) {
+ unsigned char c;
+ yyis->get(c);
+ lyxerr << "reading byte: '" << c << "' code: " << lexcode[c] << endl;
+ lyxerr << " code: " << lexcode['ΓΌ'] << endl;
+
+ if (yyvarcode == LM_TC_TEXTRM && c == ' ') {
+ yylval.i = ' ';
+ return LM_TK_ALPHA;
+ } else if (lexcode[c] == LexNewLine) {
+ ++yylineno;
+ continue;
+ } else if (lexcode[c] == LexComment) {
+ do {
+ yyis->get(c);
+ } while (c != '\n' && yyis->good()); // eat comments
+ } else if (lexcode[c] == LexDigit
+ || lexcode[c] == LexOther
+ || lexcode[c] == LexMathSpace) {
+ yylval.i = c;
+ return LM_TK_STR;
+ } else if (lexcode[c] == LexAlpha) {
+ yylval.i = c;
+ return LM_TK_ALPHA;
+ } else if (lexcode[c] == LexBOP) {
+ yylval.i = c;
+ return LM_TK_BOP;
+ } else if (lexcode[c] == LexSelf) {
+ return c;
+ } else if (lexcode[c] == LexArgument) {
+ yyis->get(c);
+ yylval.i = c - '0';
+ return LM_TK_ARGUMENT;
+ } else if (lexcode[c] == LexOpen) {
+ return LM_TK_OPEN;
+ } else if (lexcode[c] == LexClose) {
+ return LM_TK_CLOSE;
+ } else if (lexcode[c] == LexESC) {
+ yyis->get(c);
+ if (c == '\\') {
+ yylval.i = -1;
+ return LM_TK_NEWLINE;
+ }
+ if (c == '(') {
+ yylval.i = LM_OT_SIMPLE;
+ return LM_TK_BEGIN;
+ }
+ if (c == ')') {
+ yylval.i = LM_OT_SIMPLE;
+ return LM_TK_END;
+ }
+ if (c == '[') {
+ yylval.i = LM_OT_EQUATION;
+ return LM_TK_BEGIN;
+ }
+ if (c == ']') {
+ yylval.i = LM_OT_EQUATION;
+ return LM_TK_END;
+ }
+ if (contains(latex_special_chars, c)) {
+ yylval.i = c;
+ return LM_TK_SPECIAL;
+ }
+ if (lexcode[c] == LexMathSpace) {
+ int i;
+ for (i = 0; i < 4 && static_cast<int>(c) != latex_mathspace[i][0]; ++i)
+ ;
+ yylval.i = (i < 4) ? i : 0;
+ return LM_TK_SPACE;
+ }
+ if (lexcode[c] == LexAlpha || lexcode[c] == LexDigit) {
+ yytext.erase();
+ while (lexcode[c] == LexAlpha || lexcode[c] == LexDigit) {
+ yytext += c;
+ yyis->get(c);
+ }
+ if (yyis->good())
+ yyis->putback(c);
+ lyxerr << "reading: text '" << yytext << "'\n";
+ latexkeys const * l = in_word_set(yytext);
+ if (!l)
+ return LM_TK_UNDEF;
+
+ if (l->token == LM_TK_BEGIN || l->token == LM_TK_END) {
+ LexGetArg('{');
+ int i = 0;
+ while (i < latex_mathenv_num && yytext != latex_mathenv[i].name)
+ ++i;
+ yylval.i = i;
+ } else if (l->token == LM_TK_SPACE)
+ yylval.i = l->id;
+ else
+ yylval.l = l;
+ return l->token;
+ }
+ }
+ }
+ return 0;
}
+
// Accent hacks only for 0.12. Stolen from Cursor.
int accent = 0;
int nestaccent[8];
void setAccent(int ac)
{
- if (ac > 0 && accent < 8) {
+ if (ac > 0 && accent < 8)
nestaccent[accent++] = ac;
- } else
+ else
accent = 0; // consumed!
}
-MathedInset *doAccent(byte c, MathedTextCodes t)
+MathInset * doAccent(unsigned char c, MathTextCodes t)
{
- MathedInset *ac = 0;
+ MathInset * ac = 0;
- for (int i=accent-1; i>=0; i--) {
- if (i==accent-1)
+ for (int i = accent - 1; i >= 0; --i) {
+ if (i == accent - 1)
ac = new MathAccentInset(c, t, nestaccent[i]);
else
ac = new MathAccentInset(ac, nestaccent[i]);
}
-MathedInset *doAccent(MathedInset *p)
+MathInset * doAccent(MathInset * p)
{
- MathedInset *ac = 0;
+ MathInset * ac = 0;
- for (int i=accent-1; i>=0; i--) {
- if (i==accent-1)
+ for (int i = accent - 1; i >= 0; --i) {
+ if (i == accent - 1)
ac = new MathAccentInset(p, nestaccent[i]);
else
ac = new MathAccentInset(ac, nestaccent[i]);
}
+void do_insert(MathArray & dat, MathInset * m)
+{
+ if (accent)
+ dat.push_back(doAccent(m));
+ else
+ dat.push_back(m);
+}
+
+void do_insert(MathArray & dat, unsigned char ch, MathTextCodes fcode)
+{
+ if (accent)
+ dat.push_back(doAccent(ch, fcode));
+ else
+ dat.push_back(ch, fcode);
+}
+
+
+void handle_frac(MathArray & dat, MathInsetTypes t)
+{
+ MathFracInset * p = new MathFracInset(t);
+ mathed_parse(p->cell(0), FLAG_BRACE | FLAG_BRACE_LAST);
+ mathed_parse(p->cell(1), FLAG_BRACE | FLAG_BRACE_LAST);
+ dat.push_back(p);
+}
-LyxArrayBase *mathed_parse(unsigned flags, LyxArrayBase *array, MathParInset **mtx)
+MathScriptInset * lastScriptInset(MathArray & array)
{
- int t = yylex(), tprev = 0;
- bool panic = false;
- static int plevel = -1;
- static int size = LM_ST_TEXT;
- MathedTextCodes varcode = LM_TC_VAR;
- MathedInset* binset = 0;
- static MathMacroTemplate *macro=0;
-
- int brace = 0;
- int acc_brace = 0;
- int acc_braces[8];
- MathParInset *mt = (mtx) ? *mtx: 0;//(MathParInset*)0;
- MathedRowSt *crow = (mt) ? mt->getRowSt(): 0;
-
- plevel++;
- if (!array) array = new LyxArrayBase;
- MathedIter data(array);
- while (t) {
- if ((flags & FLAG_BRACE) && t != LM_TK_OPEN) {
- if ((flags & FLAG_BRACK_ARG) && t=='[') {
- }
- else {
- mathPrintError("Expected {. Maybe you forgot to enclose an argument in {}");
- panic = true;
- break;
- }
- }
- MathedInsetTypes fractype = LM_OT_FRAC;
- switch (t) {
- case LM_TK_ALPHA:
- {
- if (accent) {
- data.Insert(doAccent(yylval.i, varcode));
- } else
- data.Insert (yylval.i, varcode); //LM_TC_VAR);
- break;
- }
- case LM_TK_ARGUMENT:
- {
- if (macro) {
- data.Insert(macro->getMacroPar(yylval.i-1), LM_TC_INSET);
- }
- break;
- }
- case LM_TK_NEWCOMMAND:
- {
- int na = 0;
-
- LexGetArg('{');
- // This name lives until quitting, for that reason
- // I didn't care on deleting explicitly. Later I will.
- char const *name = strnew(&yytext[1]);
- // ugly trick to be removed soon (lyx3)
- char c = getc(yyin);
- ungetc(c, yyin);
- if (c=='[') {
- LexGetArg('[');
- na = atoi(yytext);
- }
- macro = new MathMacroTemplate(name, na);
- flags = FLAG_BRACE|FLAG_BRACE_LAST;
- *mtx = macro;
- macro->SetData(array);
- break;
- }
- case LM_TK_SPECIAL:
- {
- data.Insert (yylval.i, LM_TC_SPECIAL);
- break;
- }
- case LM_TK_STR:
- {
- if (accent) {
- data.Insert(doAccent(yylval.i, LM_TC_CONST));
- } else
- data.Insert (yylval.i, LM_TC_CONST);
- break;
- }
- case LM_TK_OPEN:
- {
- brace++;
- if (accent && tprev==LM_TK_ACCENT) {
- acc_braces[acc_brace++] = brace;
- break;
+ MathInset * p = array.back_inset();
+ if (!p || !p->isScriptInset()) {
+ p = new MathScriptInset;
+ array.push_back(p);
}
- if (flags & FLAG_BRACE_OPT) {
- flags &= ~FLAG_BRACE_OPT;
- flags |= FLAG_BRACE;
+ return static_cast<MathScriptInset *>(p);
+}
+
+}
+
+
+
+static bool curr_num;
+static string curr_label;
+
+void mathed_parse_lines(MathInset * inset, int col, bool numbered, bool outmost)
+{
+ // save global variables
+ bool saved_num = curr_num;
+ string saved_label = curr_label;
+
+ MathGridInset * p = static_cast<MathGridInset *>(inset);
+ for (int row = 0; true; ++row) {
+ // reset global variables
+ curr_num = numbered;
+ curr_label = string();
+
+ // reading a row
+ int idx = p->nargs() - p->ncols();
+ for (int i = 0; i < col - 1; ++i, ++idx)
+ mathed_parse(p->cell(idx), FLAG_AMPERSAND);
+ mathed_parse(p->cell(idx), FLAG_NEWLINE | FLAG_END);
+
+ if (outmost) {
+ MathMatrixInset * m = static_cast<MathMatrixInset *>(p);
+ m->numbered(row, curr_num);
+ m->label(row, curr_label);
+ }
+
+ // Hack!
+ // no newline
+ if (yylval.i != -1)
+ break;
+
+ p->appendRow();
}
-
- if (flags & FLAG_BRACE)
- flags &= ~FLAG_BRACE;
- else {
- data.Insert ('{', LM_TC_TEX);
- }
- break;
- }
- case LM_TK_CLOSE:
- {
- brace--;
- if (brace < 0) {
- mathPrintError("Unmatching braces");
- panic = true;
- break;
- }
- if (acc_brace && brace==acc_braces[acc_brace-1]-1) {
- acc_brace--;
- break;
- }
- if (flags & FLAG_BRACE_FONT) {
- varcode = LM_TC_VAR;
- yy_mtextmode = false;
- flags &= ~FLAG_BRACE_FONT;
- break;
- }
- if (brace == 0 && (flags & FLAG_BRACE_LAST)) {
- plevel--;
- return array;
- } else {
- data.Insert ('}', LM_TC_TEX);
- }
- break;
- }
-
- case '[':
- {
- if (flags & FLAG_BRACK_ARG) {
- flags &= ~FLAG_BRACK_ARG;
- char rg=LexGetArg('[');
- if (rg!=']') {
- mathPrintError("Expected ']'");
- panic = true;
- break;
- }
-// if (arg) strcpy(arg, yytext);
- } else
- data.Insert ('[');
- break;
- }
- case ']':
- {
- if (flags & FLAG_BRACK_END) {
- plevel--;
- return array;
- } else
- data.Insert (']');
- break;
- }
-
- case '^':
- {
- MathParInset *p = new MathParInset(size, "", LM_OT_SCRIPT);
- LyxArrayBase * ar = mathed_parse(FLAG_BRACE_OPT|FLAG_BRACE_LAST, 0);
- p->SetData(ar);
-// fprintf(stderr, "UP[%d]", p->GetStyle());
- data.Insert (p, LM_TC_UP);
- break;
- }
- case '_':
- {
- MathParInset *p = new MathParInset(size, "", LM_OT_SCRIPT);
- LyxArrayBase * ar = mathed_parse(FLAG_BRACE_OPT|FLAG_BRACE_LAST, 0);
- p->SetData(ar);
- data.Insert (p, LM_TC_DOWN);
- break;
- }
-
- case LM_TK_LIMIT:
- {
- if (binset) {
- binset->SetLimits((bool)(yylval.l->id));
- binset = 0;
- }
- break;
- }
-
- case '&': // Tab
- {
- if ((flags & FLAG_END) && mt && data.getCol()<mt->GetColumns()-1) {
- data.setNumCols(mt->GetColumns());
- data.Insert('T', LM_TC_TAB);
- } else
- mathPrintError("Unexpected tab");
- // debug info. [made that conditional -JMarc]
- if (lyxerr.debugging(Error::MATHED))
- fprintf(stderr, "%d %d\n", data.getCol(), mt->GetColumns());
- break;
- }
- case LM_TK_NEWLINE:
- {
- if (mt && (flags & FLAG_END)) {
- if (mt->Permit(LMPF_ALLOW_CR)) {
- if (crow) {
- crow->setNext(new MathedRowSt(mt->GetColumns()+1)); // this leaks
- crow = crow->getNext();
- }
- data.Insert('K', LM_TC_CR);
- } else
- mathPrintError("Unexpected newline");
- }
- break;
- }
- case LM_TK_BIGSYM:
- {
- binset = new MathBigopInset(yylval.l->name,yylval.l->id);
- data.Insert(binset);
- break;
- }
- case LM_TK_SYM:
- {
- if (yylval.l->id < 256) {
- MathedTextCodes tc = MathIsBOPS(yylval.l->id) ? LM_TC_BOPS: LM_TC_SYMB;
- if (accent) {
- data.Insert(doAccent(yylval.l->id, tc));
- } else
- data.Insert (yylval.l->id, tc);
- } else {
- MathFuncInset *bg = new MathFuncInset(yylval.l->name);
- if (accent) {
- data.Insert(doAccent(bg));
- } else
- data.Insert(bg, true);
- }
- break;
- }
- case LM_TK_BOP:
- {
- if (accent) {
- data.Insert(doAccent(yylval.i, LM_TC_BOP));
- } else
- data.Insert (yylval.i, LM_TC_BOP);
- break;
- }
- case LM_TK_STY:
- {
- if (mt) {
- mt->UserSetSize(yylval.l->id);
- }
- break;
- }
- case LM_TK_SPACE:
- {
- if (yylval.i>=0) {
- MathSpaceInset *sp = new MathSpaceInset(yylval.i);
- data.Insert(sp);
- }
- break;
- }
- case LM_TK_DOTS:
- {
- MathDotsInset *p = new MathDotsInset(yylval.l->name, yylval.l->id);
- data.Insert(p);
- break;
- }
- case LM_TK_STACK:
- fractype = LM_OT_STACKREL;
- case LM_TK_FRAC:
- {
- MathFracInset *fc = new MathFracInset(fractype);
- LyxArrayBase* num = mathed_parse(FLAG_BRACE|FLAG_BRACE_LAST);
- LyxArrayBase* den = mathed_parse(FLAG_BRACE|FLAG_BRACE_LAST);
- fc->SetData(num, den);
- data.Insert(fc, LM_TC_ACTIVE_INSET);
- break;
- }
- case LM_TK_SQRT:
- {
- MathParInset *rt;
-
- char c = getc(yyin);
-
- if (c=='[') {
- rt = new MathRootInset(size);
- rt->setArgumentIdx(0);
- rt->SetData(mathed_parse(FLAG_BRACK_END, 0, &rt));
- rt->setArgumentIdx(1);
- } else {
- ungetc(c, yyin);
- rt = new MathSqrtInset(size);
- }
- rt->SetData(mathed_parse(FLAG_BRACE|FLAG_BRACE_LAST, 0, &rt));
- data.Insert(rt, LM_TC_ACTIVE_INSET);
- break;
- }
-
- case LM_TK_LEFT:
- {
- int lfd, rgd;
- lfd=yylex();
- if (lfd==LM_TK_SYM || lfd==LM_TK_STR || lfd==LM_TK_BOP|| lfd==LM_TK_SPECIAL)
- lfd = (lfd==LM_TK_SYM) ? yylval.l->id: yylval.i;
-// fprintf(stderr, "L[%d %c]", lfd, lfd);
- LyxArrayBase* a = mathed_parse(FLAG_RIGHT);
- rgd=yylex();
-// fprintf(stderr, "R[%d]", rgd);
- if (rgd==LM_TK_SYM || rgd==LM_TK_STR || rgd==LM_TK_BOP || rgd==LM_TK_SPECIAL)
- rgd = (rgd==LM_TK_SYM) ? yylval.l->id: yylval.i;
- MathDelimInset *dl = new MathDelimInset(lfd, rgd);
- dl->SetData(a);
- data.Insert(dl, LM_TC_ACTIVE_INSET);
-// fprintf(stderr, "RL[%d %d]", lfd, rgd);
- break;
- }
- case LM_TK_RIGHT:
- {
- if (flags & FLAG_RIGHT) {
- plevel--;
- return array;
- } else {
- mathPrintError("Unmatched right delimiter");
-// panic = true;
- }
- break;
- }
-
- case LM_TK_FONT:
- {
- varcode = (MathedTextCodes)yylval.l->id;
- yy_mtextmode = (bool)(varcode==LM_TC_TEXTRM);
- flags |= (FLAG_BRACE|FLAG_BRACE_FONT);
- break;
- }
- case LM_TK_WIDE:
- {
- MathDecorationInset *sq = new MathDecorationInset(yylval.l->id, size);
- sq->SetData(mathed_parse(FLAG_BRACE|FLAG_BRACE_LAST));
- data.Insert(sq, LM_TC_ACTIVE_INSET);
- break;
- }
-
- case LM_TK_ACCENT: setAccent(yylval.l->id); break;
-
- case LM_TK_NONUM:
- {
- if (crow)
- crow->setNumbered(false);
- break;
- }
-
- case LM_TK_PMOD:
- case LM_TK_FUNC:
- {
- MathedInset *bg = new MathFuncInset(yylval.l->name);
- if (accent) {
- data.Insert(t);
- } else
- data.Insert(bg);
- break;
- }
- case LM_TK_FUNCLIM:
- {
- data.Insert(new MathFuncInset(yylval.l->name, LM_OT_FUNCLIM));
- break;
- }
- case LM_TK_UNDEF:
- {
-
- MathMacro* p =
- MathMacroTable::mathMTable.getMacro(yylval.s);
- if (p) {
- if (accent)
- data.Insert(doAccent(p), p->getTCode());
- else
- data.Insert(p, p->getTCode());
- for (int i=0; p->setArgumentIdx(i); i++)
- p->SetData(mathed_parse(FLAG_BRACE|FLAG_BRACE_LAST));
- }
- else {
- MathedInset *q = new MathFuncInset(yylval.s, LM_OT_UNDEF);
- if (accent) {
- data.Insert(doAccent(q));
- } else {
- data.Insert(q);
- }
- }
- break;
- }
- case LM_TK_END:
- {
- if (mathed_env != yylval.i && yylval.i!=LM_EN_ARRAY)
- mathPrintError("Unmatched environment");
- // debug info [made that conditional -JMarc]
- if (lyxerr.debugging(Error::MATHED))
- fprintf(stderr, "[%d]\n", yylval.i);
- plevel--;
- if (mt) { // && (flags & FLAG_END)) {
- mt->SetData(array);
- array = 0;
- }
- return array;
- }
- case LM_TK_BEGIN:
- {
- if (yylval.i==LM_EN_ARRAY) {
- char ar[120], ar2[8];
- ar[0] = ar2[0] = '\0';
- char rg=LexGetArg(0);
- if (rg==']') {
- strcpy(ar2, yytext);
- rg = LexGetArg('{');
- }
- strcpy(ar, yytext);
- int nc = parse_align(ar, ar2);
- MathParInset* mm = new MathMatrixInset(nc, 0);
- mm->SetAlign(ar2[0], ar);
- data.Insert(mm, LM_TC_ACTIVE_INSET);
- mathed_parse(FLAG_END, mm->GetData(), &mm);
- } else
- if (yylval.i>=LM_EN_INTEXT && yylval.i<=LM_EN_EQNARRAY) {
- if (plevel!=0) {
- mathPrintError("Misplaced environment");
- break;
- }
- if (!mt) {
- mathPrintError("0 paragraph.");
- panic = true;
- }
-
- mathed_env = yylval.i;
- if (mathed_env>=LM_EN_DISPLAY) {
- size = LM_ST_DISPLAY;
- if (mathed_env>LM_EN_EQUATION) {
- mt = new MathMatrixInset(3, -1);
- mt->SetAlign(' ', "rcl");
- if (mtx) *mtx = mt;
- flags |= FLAG_END;
-// data.Insert(' ', LM_TC_TAB);
-// data.Insert(' ', LM_TC_TAB);
-// data.Reset();
- }
- mt->SetStyle(size);
- mt->SetType(mathed_env);
- crow = mt->getRowSt();
- }
-
-#ifdef DEBUG
- fprintf(stderr, "MATH BEGIN[%d]\n", mathed_env);
-#endif
- } else {
-// fprintf(stderr, "MATHCRO[%s]",yytext);
- MathMacro* p =
- MathMacroTable::mathMTable.getMacro(yytext);
- if (p) {
- data.Insert(p, p->getTCode());
- p->setArgumentIdx(0);
- mathed_parse(FLAG_END, p->GetData(), (MathParInset**)&p);
-// for (int i=0; p->setArgumentIdx(i); i++)
-// p->SetData(mathed_parse(FLAG_BRACE|FLAG_BRACE_LAST));
- } else
- mathPrintError("Unrecognized environment");
- }
- break;
- }
-
- case LM_TK_MACRO:
- {
- MathedInset* p =
- MathMacroTable::mathMTable.getMacro(yylval.l->name);
-
- if (p) {
- if (accent) {
- data.Insert(doAccent(p));
- } else
- data.Insert(p, ((MathMacro*)p)->getTCode());
- }
- break;
- }
-
- case LM_TK_LABEL:
- {
- char rg = LexGetArg('\0', true);
- if (rg != '}') {
- mathPrintError("Expected '{'");
- // debug info
- fprintf(stderr, "[%s]\n", yytext); fflush(stderr);
- panic = true;
- break;
- }
- if (crow) {
- // This is removed by crow's destructor. Bad design? yes, this
- // will be changed after 0.12
- crow->setLabel(strnew(yytext));
- }
- else {
- // where is this math_label free'ed?
- // Supposedly in ~formula, another bad hack,
- // give me some time please.
- mathed_label = strnew(yytext);
- }
-#ifdef DEBUG
- fprintf(stderr, "Label[%d]\n", mathed_label);
-#endif
- break;
- }
- default:
- mathPrintError("Unrecognized token");
- // debug info
- fprintf(stderr, "[%d %s]\n", t, yytext);
- break;
- }
- tprev = t;
- if (panic) {
- fprintf(stderr, " Math Panic, expect problems!\n");
- // Search for the end command.
- do t = yylex (); while (t != LM_TK_END && t);
- } else
- t = yylex ();
-
- if ((flags & FLAG_BRACE_OPT)/* && t!='^' && t!='_'*/) {
- flags &= ~FLAG_BRACE_OPT;
- //data.Insert (LM_TC_CLOSE);
- break;
- }
- }
- plevel--;
- return array;
+
+ // restore global variables
+ curr_num = saved_num;
+ curr_label = saved_label;
}
-void mathed_parser_file(FILE* file, int lineno)
+MathInset * mathed_parse()
{
- yyin = file;
- yylineno = lineno;
- if (!MathMacroTable::built)
- MathMacroTable::mathMTable.builtinMacros();
+ MathInset * p = 0;
+ int t = yylex();
+
+ switch (t) {
+ case LM_TK_NEWCOMMAND: {
+ LexGetArg('{');
+ string name = yytext.substr(1);
+
+ int na = 0;
+ unsigned char const c = yyis->peek();
+ if (c == '[') {
+ LexGetArg('[');
+ na = atoi(yytext.c_str());
+ }
+
+ p = new MathMacroTemplate(name, na);
+ mathed_parse(p->cell(0), FLAG_BRACE | FLAG_BRACE_LAST);
+ lyxerr << "LM_TK_NEWCOMMAND: name: " << name << " na: " << na << "\n";
+ break;
+ }
+
+ case LM_TK_BEGIN: {
+ int i = yylval.i;
+ lyxerr << "reading math environment " << i << " "
+ << latex_mathenv[i].name << "\n";
+
+ MathInsetTypes typ = latex_mathenv[i].typ;
+ p = new MathMatrixInset(typ);
+ switch (typ) {
+
+ case LM_OT_SIMPLE: {
+ curr_num = latex_mathenv[i].numbered;
+ curr_label = string();
+ mathed_parse(p->cell(0), 0);
+ MathMatrixInset * m = static_cast<MathMatrixInset *>(p);
+ m->numbered(0, curr_num);
+ m->label(0, curr_label);
+ break;
+ }
+
+ case LM_OT_EQUATION: {
+ curr_num = latex_mathenv[i].numbered;
+ curr_label = string();
+ mathed_parse(p->cell(0), FLAG_END);
+ MathMatrixInset * m = static_cast<MathMatrixInset *>(p);
+ m->numbered(0, curr_num);
+ m->label(0, curr_label);
+ break;
+ }
+
+ case LM_OT_EQNARRAY: {
+ mathed_parse_lines(p, 3, latex_mathenv[i].numbered, true);
+ break;
+ }
+
+ case LM_OT_ALIGNAT: {
+ LexGetArg('{');
+ //int c = atoi(yytext.c_str());
+ lyxerr << "LM_OT_ALIGNAT: not implemented\n";
+ mathed_parse_lines(p, 2, latex_mathenv[i].numbered, true);
+ lyxerr << "LM_OT_ALIGNAT: par: " << *p << "\n";
+ break;
+ }
+
+ default:
+ lyxerr << "1: unknown math environment: " << typ << "\n";
+ }
+
+ p->SetName(latex_mathenv[i].basename);
+
+ break;
+ }
+
+ default:
+ lyxerr << "2 unknown math environment: " << t << "\n";
+ }
+
+ return p;
+}
+
+
+void mathed_parse(MathArray & array, unsigned flags)
+{
+ int t = yylex();
+ int tprev = 0;
+ bool panic = false;
+ static int plevel = -1;
+ yyvarcode = LM_TC_VAR;
+
+ int brace = 0;
+ int acc_brace = 0;
+ int acc_braces[8];
+
+ ++plevel;
+ while (t) {
+ //lyxerr << "t: " << t << " flags: " << flags;
+ //array.dump(lyxerr);
+ //lyxerr << "\n";
+
+ if ((flags & FLAG_BRACE) && t != LM_TK_OPEN) {
+ if (!(flags & FLAG_BRACK_ARG) || t != '[') {
+ mathPrintError(
+ "Expected {. Maybe you forgot to enclose an argument in {}");
+ panic = true;
+ break;
+ }
+ }
+
+ switch (t) {
+
+ case LM_TK_ALPHA:
+ do_insert(array, yylval.i, yyvarcode);
+ break;
+
+ case LM_TK_ARGUMENT:
+ array.push_back(new MathMacroArgument(yylval.i));
+ break;
+
+ case LM_TK_SPECIAL:
+ array.push_back(yylval.i, LM_TC_SPECIAL);
+ break;
+
+ case LM_TK_STR:
+ do_insert(array, yylval.i, LM_TC_CONST);
+ break;
+
+ case LM_TK_OPEN:
+ ++brace;
+ if (accent && tprev == LM_TK_ACCENT) {
+ acc_braces[acc_brace++] = brace;
+ break;
+ }
+ if (flags & FLAG_BRACE_OPT) {
+ flags &= ~FLAG_BRACE_OPT;
+ flags |= FLAG_BRACE;
+ }
+
+ if (flags & FLAG_BRACE)
+ flags &= ~FLAG_BRACE;
+ else
+ array.push_back('{', LM_TC_TEX);
+ break;
+
+ case LM_TK_CLOSE:
+ --brace;
+ if (brace < 0) {
+ mathPrintError("Unmatching braces");
+ panic = true;
+ break;
+ }
+ if (acc_brace && brace == acc_braces[acc_brace - 1] - 1) {
+ --acc_brace;
+ break;
+ }
+ if (flags & FLAG_BRACE_FONT) {
+ yyvarcode = LM_TC_VAR;
+ flags &= ~FLAG_BRACE_FONT;
+ break;
+ }
+ if (brace == 0 && (flags & FLAG_BRACE_LAST)) {
+ --plevel;
+ return;
+ }
+ array.push_back('}', LM_TC_TEX);
+ break;
+
+ case '[':
+ if (flags & FLAG_BRACK_ARG) {
+ flags &= ~FLAG_BRACK_ARG;
+ unsigned char const rg = LexGetArg('[');
+ if (rg != ']') {
+ mathPrintError("Expected ']'");
+ panic = true;
+ break;
+ }
+ } else
+ array.push_back('[', LM_TC_CONST);
+ break;
+
+ case ']':
+ if (flags & FLAG_BRACK_END) {
+ --plevel;
+ return;
+ }
+ array.push_back(']', LM_TC_CONST);
+ break;
+
+ case '^':
+ {
+ MathArray ar;
+ mathed_parse(ar, FLAG_BRACE_OPT | FLAG_BRACE_LAST);
+ MathScriptInset * p = lastScriptInset(array);
+ p->setData(ar, 0);
+ p->up(true);
+ break;
+ }
+
+ case '_':
+ {
+ MathArray ar;
+ mathed_parse(ar, FLAG_BRACE_OPT | FLAG_BRACE_LAST);
+ MathScriptInset * p = lastScriptInset(array);
+ p->setData(ar, 1);
+ p->down(true);
+ break;
+ }
+
+ case LM_TK_LIMIT:
+ {
+ MathScriptInset * p = lastScriptInset(array);
+ if (p)
+ p->limits(yylval.l->id ? 1 : -1);
+ break;
+ }
+
+ case '&':
+ {
+ if (flags & FLAG_AMPERSAND) {
+ flags &= ~FLAG_AMPERSAND;
+ --plevel;
+ return;
+ }
+ lyxerr << "found tab unexpectedly, array: '" << array << "'\n";
+ break;
+ }
+
+ case LM_TK_NEWLINE:
+ {
+ if (flags & FLAG_NEWLINE) {
+ flags &= ~FLAG_NEWLINE;
+ --plevel;
+ return;
+ }
+ lyxerr << "found newline unexpectedly, array: '" << array << "'\n";
+ break;
+ }
+
+ case LM_TK_BIGSYM:
+ {
+ array.push_back(new MathBigopInset(yylval.l->name, yylval.l->id));
+ break;
+ }
+
+ case LM_TK_SYM:
+ if (yylval.l->id < 256) {
+ MathTextCodes tc = MathIsBOPS(yylval.l->id) ? LM_TC_BOPS: LM_TC_SYMB;
+ do_insert(array, yylval.l->id, tc);
+ } else
+ do_insert(array, new MathFuncInset(yylval.l->name));
+ break;
+
+ case LM_TK_BOP:
+ do_insert(array, yylval.i, LM_TC_BOP);
+ break;
+
+ case LM_TK_SPACE:
+ if (yylval.i >= 0)
+ array.push_back(new MathSpaceInset(yylval.i));
+ break;
+
+ case LM_TK_DOTS:
+ array.push_back(new MathDotsInset(yylval.l->name, yylval.l->id));
+ break;
+
+ case LM_TK_CHOOSE:
+ handle_frac(array, LM_OT_ATOP);
+ break;
+
+ case LM_TK_STACK:
+ handle_frac(array, LM_OT_STACKREL);
+ break;
+
+ case LM_TK_FRAC:
+ handle_frac(array, LM_OT_FRAC);
+ break;
+
+ case LM_TK_SQRT:
+ {
+ unsigned char c;
+ yyis->get(c);
+ if (c == '[') {
+ MathRootInset * rt = new MathRootInset;
+ mathed_parse(rt->cell(0), FLAG_BRACK_END);
+ mathed_parse(rt->cell(1), FLAG_BRACE | FLAG_BRACE_LAST);
+ array.push_back(rt);
+ } else {
+ yyis->putback(c);
+ MathSqrtInset * sq = new MathSqrtInset;
+ mathed_parse(sq->cell(0), FLAG_BRACE | FLAG_BRACE_LAST);
+ array.push_back(sq);
+ }
+ break;
+ }
+
+ case LM_TK_LEFT:
+ {
+ int ld = yylex();
+ if (ld == LM_TK_SYM)
+ ld = yylval.l->id;
+ else if (ld == LM_TK_STR || ld == LM_TK_BOP || ld == LM_TK_SPECIAL)
+ ld = yylval.i;
+
+ MathArray ar;
+ mathed_parse(ar, FLAG_RIGHT);
+
+ int rd = yylex();
+ if (rd == LM_TK_SYM)
+ rd = yylval.l->id;
+ else if (rd == LM_TK_STR || rd == LM_TK_BOP || rd == LM_TK_SPECIAL)
+ rd = yylval.i;
+
+ MathDelimInset * dl = new MathDelimInset(ld, rd);
+ dl->setData(ar, 0);
+ array.push_back(dl);
+ break;
+ }
+
+ case LM_TK_RIGHT:
+ if (flags & FLAG_RIGHT) {
+ --plevel;
+ return;
+ }
+ mathPrintError("Unmatched right delimiter");
+// panic = true;
+ break;
+
+ case LM_TK_FONT:
+ yyvarcode = static_cast<MathTextCodes>(yylval.l->id);
+ flags |= (FLAG_BRACE | FLAG_BRACE_FONT);
+ break;
+
+ case LM_TK_STY:
+ {
+ lyxerr << "LM_TK_STY not implemented\n";
+ //MathArray tmp = array;
+ //MathSizeInset * p = new MathSizeInset(MathStyles(yylval.l->id));
+ //array.push_back(p);
+ //mathed_parse(p->cell(0), FLAG_BRACE_FONT);
+ break;
+ }
+
+
+ case LM_TK_WIDE:
+ {
+ MathDecorationInset * sq = new MathDecorationInset(yylval.l->id);
+ mathed_parse(sq->cell(0), FLAG_BRACE | FLAG_BRACE_LAST);
+ array.push_back(sq);
+ break;
+ }
+
+ case LM_TK_ACCENT:
+ setAccent(yylval.l->id);
+ break;
+
+ case LM_TK_NONUM:
+ curr_num = false;
+ break;
+
+ case LM_TK_PMOD:
+ case LM_TK_FUNC:
+ if (accent)
+ array.push_back(t, LM_TC_CONST);
+ else
+ array.push_back(new MathFuncInset(yylval.l->name));
+ break;
+
+ case LM_TK_FUNCLIM:
+ array.push_back(new MathFuncInset(yylval.l->name, LM_OT_FUNCLIM));
+ break;
+
+ case LM_TK_UNDEF:
+ if (MathMacroTable::hasTemplate(yytext)) {
+ MathMacro * m = MathMacroTable::cloneTemplate(yytext);
+ for (int i = 0; i < m->nargs(); ++i) {
+ mathed_parse(m->cell(i), FLAG_BRACE_OPT | FLAG_BRACE_LAST);
+ lyxerr << "reading cell " << i << " '" << m->cell(i) << "'\n";
+ }
+ do_insert(array, m);
+ lyxerr << "macro: " << *m << "\n";
+ m->Metrics(LM_ST_TEXT);
+ } else
+ do_insert(array, new MathFuncInset(yytext, LM_OT_UNDEF));
+ break;
+
+ case LM_TK_END:
+ --plevel;
+ return;
+
+ case LM_TK_BEGIN:
+ {
+ int i = yylval.i;
+ MathInsetTypes typ = latex_mathenv[i].typ;
+
+ if (typ == LM_OT_MATRIX) {
+ string valign = "\0";
+ unsigned char rg = LexGetArg(0);
+ if (rg == ']') {
+ valign = yytext;
+ rg = LexGetArg('{');
+ }
+
+ string halign = yytext;
+ MathArrayInset * mm = new MathArrayInset(halign.size(), 1);
+ valign += 'c';
+ mm->valign(valign[0]);
+ mm->halign(halign);
+
+ mathed_parse_lines(mm, halign.size(), latex_mathenv[i].numbered, false);
+ do_insert(array, mm);
+ //lyxerr << "read matrix " << *mm << "\n";
+ break;
+ } else
+ lyxerr << "unknow math inset " << typ << "\n";
+ break;
+ }
+
+ case LM_TK_MACRO:
+ do_insert(array, MathMacroTable::cloneTemplate(yylval.l->name));
+ break;
+
+ case LM_TK_LABEL:
+ {
+ unsigned char const rg = LexGetArg('\0', true);
+ if (rg != '}') {
+ mathPrintError("Expected '{'");
+ // debug info
+ lyxerr << "[" << yytext << "]" << endl;
+ panic = true;
+ break;
+ }
+ //lyxerr << " setting label to " << yytext << "\n";
+ curr_label = yytext;
+ break;
+ }
+
+ default:
+ mathPrintError("Unrecognized token");
+ lyxerr << "[" << t << " " << yytext << "]" << endl;
+ break;
+
+ } // end of big switch
+
+ tprev = t;
+ if (panic) {
+ lyxerr << " Math Panic, expect problems!" << endl;
+ // Search for the end command.
+ do {
+ t = yylex();
+ } while (t != LM_TK_END && t);
+ } else
+ t = yylex();
+
+ if (flags & FLAG_BRACE_OPT) {
+ flags &= ~FLAG_BRACE_OPT;
+ break;
+ }
+ }
+ --plevel;
}
-int mathed_parser_lineno()
+MathInset * mathed_parse(istream & is)
{
- return yylineno;
+ yyis = &is;
+ yylineno = 0;
+ return mathed_parse();
}
+
+MathInset * mathed_parse(LyXLex & lex)
+{
+ yyis = &lex.getStream();
+ yylineno = lex.GetLineNo();
+
+ MathInset * p = mathed_parse();
+
+ // Update line number
+ lex.setLineNo(yylineno);
+
+ // reading of end_inset
+ while (lex.IsOK()) {
+ lex.nextToken();
+ if (lex.GetString() == "\\end_inset")
+ break;
+ lyxerr << "InsetFormula::Read: Garbage before \\end_inset,"
+ " or missing \\end_inset!" << endl;
+ }
+
+ return p;
+}
+
+
projects / lyx.git / blobdiff