Added polynomial factorization (univariate case).

[ginac.git] / ginsh / ginsh_lexer.ll

diff --git a/ginsh/ginsh_lexer.ll b/ginsh/ginsh_lexer.ll
index d9329bfe36e549f5d8210b47e5cd8c83acb8d1b3..817df6ec1d505cb39266c16a70dd9765468380dd 100644 (file)
--- a/ginsh/ginsh_lexer.ll
+++ b/ginsh/ginsh_lexer.ll
@@ -4,7 +4,7 @@
  *  This file must be processed with flex. */
 
 /*
- *  GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2008 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -18,7 +18,7 @@
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
 
@@ -26,6 +26,8 @@
  *  Definitions
  */
 
+%pointer
+
 %{
 #include "config.h"
 
@@ -37,6 +39,9 @@
 // Table of all used symbols
 sym_tab syms;
 
+// Type of symbols to generate (real or complex)
+unsigned symboltype = domain::complex;
+
 // lex input function
 static int ginsh_input(char *buf, int max_size);
 %}
@@ -72,11 +77,15 @@ quit|exit           return T_QUIT;
 warranty               return T_WARRANTY;
 print                  return T_PRINT;
 iprint                 return T_IPRINT;
+print_latex            return T_PRINTLATEX;
+print_csrc             return T_PRINTCSRC;
 time                   return T_TIME;
 xyzzy                  return T_XYZZY;
 inventory              return T_INVENTORY;
 look                   return T_LOOK;
 score                  return T_SCORE;
+complex_symbols return T_COMPLEX_SYMBOLS;
+real_symbols    return T_REAL_SYMBOLS;
 
                        /* comparison */
 "=="                   return T_EQUAL;
@@ -85,9 +94,6 @@ score                 return T_SCORE;
 ">="                   return T_GREATEREQ;
 
                        /* last 1..3 expressions */
-\"                     return T_QUOTE;
-\"\"                   return T_QUOTE2;
-\"\"\"                 return T_QUOTE3;
 \%                     return T_QUOTE;
 \%\%                   return T_QUOTE2;
 \%\%\%                 return T_QUOTE3;
@@ -106,7 +112,11 @@ score                      return T_SCORE;
 {A}{AN}*               {
                                sym_tab::const_iterator i = syms.find(yytext);
                                if (i == syms.end()) {
-                                       yylval = syms[yytext] = *(new symbol(yytext));
+                                       if (symboltype == domain::complex) {
+                                               yylval = syms[yytext] = *(new symbol(yytext));
+                                       } else {
+                                               yylval = syms[yytext] = *(new symbol(yytext, domain::real));
+                                       }
                                } else
                                        yylval = i->second;
                                return T_SYMBOL;
@@ -133,7 +143,11 @@ static char *line_ptr;
 static int ginsh_input(char *buf, int max_size)
 {
        int result;
+#if defined(YY_CURRENT_BUFFER)
+       if (YY_CURRENT_BUFFER->yy_is_interactive) {
+#else
        if (yy_current_buffer->yy_is_interactive) {
+#endif
 #ifdef HAVE_LIBREADLINE
                // Do we need to read a new line?
                int actual;