Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeedu@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 83 insertions, 0 deletions

diff --git a/kalzium/src/solver/parser.mly b/kalzium/src/solver/parser.mly
new file mode 100644
index 00000000..5aa83cc1
--- /dev/null
+++ b/kalzium/src/solver/parser.mly
@@ -0,0 +1,83 @@
+/***************************************************************************
+ *   Copyright (C) 2004 by Thomas Nagy                                     *
+ *   tnagy2^8@yahoo.fr                                                     *
+ *                                                                         *
+ *   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  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   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.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.             *
+ ***************************************************************************/
+
+/* File parser.mly */
+
+
+
+%{
+        open Chemset
+        
+        (*let parse_error somestring = Printf.printf "%s \n" somestring;;
+        *)
+%}
+
+%token <int> INT
+%token PLUS MINUS
+%token LPAREN RPAREN LBRACKET RBRACKET
+%token EOF
+%token <string> CAPITAL
+%token <string> MINOR
+%token ARROW
+%start main
+%type <Chemset.listitems> main
+%%
+
+main:
+    equation EOF { $1 }
+;
+
+
+equation:
+    expr ARROW expr { chem_negate $3; List.append $1 $3 }
+;
+
+expr:
+    item { $1::[] }
+    | item PLUS expr { $1::$3 }
+;
+
+item:
+    MINOR symbols { {ikey=$1; itbl=$2; sign=1} }
+    | INT symbols { {ikey=string_of_int($1); itbl=$2; sign=1} }
+;
+
+symbols:
+    qte { $1 }
+    | qte symbols { chem_add $1 $2 }
+;
+
+qte:
+    element INT { createchem $1 $2 }
+    | element { createchem $1 1 } 
+    | LPAREN symbols RPAREN INT { chem_mult $2 $4 }
+    | LBRACKET INT PLUS RBRACKET   { createchem "+" $2 }
+    | LBRACKET INT MINUS RBRACKET  { createchem "-" $2 }
+    | LBRACKET PLUS RBRACKET   { createchem "+" 1 }
+    | LBRACKET MINUS RBRACKET  { createchem "-" 1 }
+;
+
+element:
+    CAPITAL MINOR { $1 ^ $2 }
+    | CAPITAL { $1 } 
+;
+
+
+