20 files changed, 4360 insertions, 0 deletions

diff --git a/src/core/convert.c b/src/core/convert.c
new file mode 100644
index 0000000..6844047
--- /dev/null
+++ b/src/core/convert.c
@@ -0,0 +1,216 @@
+/*:*
+ *: File: ./src/core/convert.c
+ *: A simple interpreter
+ *: 
+ *: WWW		: http://fype.buetow.org
+ *: AUTHOR	: http://paul.buetow.org
+ *: E-Mail	: fype at dev.buetow.org
+ *: 
+ *: Copyright (c) 2005 - 2008, Paul Buetow 
+ *: All rights reserved.
+ *: 
+ *: Redistribution and use in source and binary forms, with or without modi-
+ *: fication, are permitted provided that the following conditions are met:
+ *:  * Redistributions of source code must retain the above copyright
+ *:    notice, this list of conditions and the following disclaimer.
+ *:  * Redistributions in binary form must reproduce the above copyright
+ *:    notice, this list of conditions and the following disclaimer in the
+ *:    documentation and/or other materials provided with the distribution.
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
+ *:    without specific prior written permission.
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY PAUL C. BUETOW AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
+ *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *: DISCLAIMED. IN NO EVENT SHALL PAUL C. BUETOW BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+ *: POSSIBILITY OF SUCH DAMAGE.
+ *:*/
+
+#include "convert.h"
+#include "../data/array.h"
+
+void
+convert_to_integer(Token *p_token) {
+   switch (token_get_tt(p_token)) {
+   case TT_INTEGER:
+      break;
+   case TT_DOUBLE:
+      token_set_tt(p_token, TT_INTEGER);
+      token_set_ival(p_token, (int)token_get_dval(p_token));
+      break;
+   case TT_STRING:
+      token_set_tt(p_token, TT_INTEGER);
+      token_set_ival(p_token, atoi(token_get_val(p_token)));
+      break;
+   case TT_ARRAY:
+      token_set_tt(p_token, TT_INTEGER);
+      token_set_ival(p_token, array_get_size(p_token->p_array));
+      break;
+   default:
+      ERROR("Ouups(%s)", tt_get_name(token_get_tt(p_token)));
+      break;
+   }
+}
+
+int
+convert_to_integer_get(Token *p_token) {
+   switch (token_get_tt(p_token)) {
+   case TT_INTEGER:
+      return (token_get_ival(p_token));
+   case TT_DOUBLE:
+      return ((int) token_get_dval(p_token));
+   case TT_STRING:
+      return (atoi(token_get_val(p_token)));
+   case TT_ARRAY:
+      return (array_get_size(p_token->p_array));
+      break;
+   default:
+      ERROR("Ouups(%s)", tt_get_name(token_get_tt(p_token)));
+   }
+
+   return (0); /* Never reach this point */
+}
+
+void
+convert_to_double(Token *p_token) {
+   switch (token_get_tt(p_token)) {
+   case TT_INTEGER:
+      token_set_tt(p_token, TT_DOUBLE);
+      token_set_dval(p_token, token_get_ival(p_token));
+      break;
+   case TT_DOUBLE:
+      break;
+   case TT_STRING:
+      token_set_tt(p_token, TT_DOUBLE);
+      token_set_dval(p_token, atof(token_get_val(p_token)));
+      break;
+   case TT_ARRAY:
+      token_set_tt(p_token, TT_DOUBLE);
+      token_set_dval(p_token, array_get_size(p_token->p_array));
+      break;
+   default:
+      token_print_val(p_token);
+      ERROR("Datatype conversion error '%s'", token_get_val(p_token));
+      break;
+   }
+}
+
+void
+convert_to_string(Token *p_token) {
+   switch (token_get_tt(p_token)) {
+   case TT_INTEGER:
+   {
+      token_set_tt(p_token, TT_STRING);
+      char c_tmp[1024];
+      sprintf(c_tmp, "%d", token_get_ival(p_token));
+      int i_len = strlen(c_tmp);
+      p_token->c_val = realloc(p_token->c_val, sizeof(char) * (i_len + 1));
+      strcpy(p_token->c_val, c_tmp);
+      p_token->c_val[i_len] = 0;
+   }
+   break;
+   case TT_DOUBLE:
+   {
+      token_set_tt(p_token, TT_STRING);
+      char c_tmp[1024];
+      sprintf(c_tmp, "%f", token_get_dval(p_token));
+      int i_len = strlen(c_tmp);
+      p_token->c_val = realloc(p_token->c_val, sizeof(char) * (i_len + 1));
+      strcpy(p_token->c_val, c_tmp);
+      p_token->c_val[i_len] = 0;
+   }
+   case TT_ARRAY:
+   {
+      token_set_tt(p_token, TT_STRING);
+      char c_tmp[1024];
+      sprintf(c_tmp, "%d", array_get_size(p_token->p_array));
+      int i_len = strlen(c_tmp);
+      p_token->c_val = realloc(p_token->c_val, sizeof(char) * (i_len + 1));
+      strcpy(p_token->c_val, c_tmp);
+      p_token->c_val[i_len] = 0;
+   }
+   break;
+   case TT_STRING:
+      break;
+   default:
+      ERROR("Datatype conversion error");
+      break;
+   }
+}
+
+void
+convert_to_array(Token *p_token) {
+   ERROR("not yet implemented");
+}
+
+void
+convert_to_tt(Token *p_token, TokenType tt) {
+   switch (tt) {
+   case TT_INTEGER:
+      convert_to_integer(p_token);
+      break;
+   case TT_DOUBLE:
+      convert_to_double(p_token);
+      break;
+   case TT_STRING:
+      convert_to_string(p_token);
+      break;
+   case TT_ARRAY:
+      convert_to_array(p_token);
+      break;
+   default:
+      ERROR("Ouups!");
+   }
+}
+
+TokenType
+convert_to_highest(Token *p_token1, Token *p_token2) {
+   TokenType tt_highest = token_get_tt(p_token1);
+
+   if (tt_highest < token_get_tt(p_token2)) {
+      tt_highest = token_get_tt(p_token2);
+
+      convert_to_tt(p_token1, tt_highest);
+
+   } else {
+      convert_to_tt(p_token2, tt_highest);
+   }
+
+   return (tt_highest);
+}
+
+TokenType
+convert_function_arg_types_to_highest(Stack *p_stack_args, int i_args) {
+
+   if (i_args <= 0)
+      i_args = stack_size(p_stack_args);
+
+   StackIterator *p_iter = stackiterator_new(p_stack_args);
+   TokenType tt_highest = TT_INTEGER;
+
+   for (int i = 0; i < i_args && stackiterator_has_next(p_iter); ++i) {
+      Token *p_token = stackiterator_next(p_iter);
+      if (token_get_tt(p_token) > tt_highest)
+         tt_highest = token_get_tt(p_token);
+   }
+
+   stackiterator_delete(p_iter);
+   p_iter = stackiterator_new(p_stack_args);
+
+   for (int i = 0; i < i_args && stackiterator_has_next(p_iter); ++i) {
+      Token *p_token = stackiterator_next(p_iter);
+      convert_to_tt(p_token, tt_highest);
+   }
+
+   stackiterator_delete(p_iter);
+
+   return (tt_highest);
+}
+
diff --git a/src/core/convert.h b/src/core/convert.h
new file mode 100644
index 0000000..ed153d5
--- /dev/null
+++ b/src/core/convert.h
@@ -0,0 +1,55 @@
+/*:*
+ *: File: ./src/core/convert.h
+ *: A simple interpreter
+ *: 
+ *: WWW		: http://fype.buetow.org
+ *: AUTHOR	: http://paul.buetow.org
+ *: E-Mail	: fype at dev.buetow.org
+ *: 
+ *: Copyright (c) 2005 - 2008, Paul Buetow 
+ *: All rights reserved.
+ *: 
+ *: Redistribution and use in source and binary forms, with or without modi-
+ *: fication, are permitted provided that the following conditions are met:
+ *:  * Redistributions of source code must retain the above copyright
+ *:    notice, this list of conditions and the following disclaimer.
+ *:  * Redistributions in binary form must reproduce the above copyright
+ *:    notice, this list of conditions and the following disclaimer in the
+ *:    documentation and/or other materials provided with the distribution.
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
+ *:    without specific prior written permission.
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY PAUL C. BUETOW AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
+ *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *: DISCLAIMED. IN NO EVENT SHALL PAUL C. BUETOW BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+ *: POSSIBILITY OF SUCH DAMAGE.
+ *:*/
+
+#ifndef CONVERT_H
+#define CONVERT_H
+
+#include "../defines.h"
+
+#include "../data/stack.h"
+
+#include "token.h"
+
+int convert_to_integer_get(Token *p_token);
+void convert_to_integer(Token *p_token);
+void convert_to_double(Token *p_token);
+void convert_to_string(Token *p_token);
+void convert_to_array(Token *p_token);
+void convert_to_tt(Token *p_token, TokenType tt);
+TokenType convert_to_highest(Token *p_token1, Token *p_token2);
+TokenType convert_function_arg_types_to_highest(Stack *p_stack_args, int
+      i_args);
+
+#endif
diff --git a/src/core/function.c b/src/core/function.c
new file mode 100644
index 0000000..f16e74a
--- /dev/null
+++ b/src/core/function.c
@@ -0,0 +1,51 @@
+/*:*
+ *: File: ./src/core/function.c
+ *: A simple interpreter
+ *: 
+ *: WWW		: http://fype.buetow.org
+ *: AUTHOR	: http://paul.buetow.org
+ *: E-Mail	: fype at dev.buetow.org
+ *: 
+ *: Copyright (c) 2005 - 2008, Paul Buetow 
+ *: All rights reserved.
+ *: 
+ *: Redistribution and use in source and binary forms, with or without modi-
+ *: fication, are permitted provided that the following conditions are met:
+ *:  * Redistributions of source code must retain the above copyright
+ *:    notice, this list of conditions and the following disclaimer.
+ *:  * Redistributions in binary form must reproduce the above copyright
+ *:    notice, this list of conditions and the following disclaimer in the
+ *:    documentation and/or other materials provided with the distribution.
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
+ *:    without specific prior written permission.
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY PAUL C. BUETOW AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
+ *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *: DISCLAIMED. IN NO EVENT SHALL PAUL C. BUETOW BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+ *: POSSIBILITY OF SUCH DAMAGE.
+ *:*/
+
+#include "../defines.h"
+
+#include "function.h"
+
+Function*
+function_new() {
+   Function *p_function = malloc(sizeof(Function));
+
+   return (p_function);
+}
+
+void
+function_delete(Function *p_function) {
+   free(p_function);
+}
+
diff --git a/src/core/function.h b/src/core/function.h
new file mode 100644
index 0000000..6235d97
--- /dev/null
+++ b/src/core/function.h
@@ -0,0 +1,46 @@
+/*:*
+ *: File: ./src/core/function.h
+ *: A simple interpreter
+ *: 
+ *: WWW		: http://fype.buetow.org
+ *: AUTHOR	: http://paul.buetow.org
+ *: E-Mail	: fype at dev.buetow.org
+ *: 
+ *: Copyright (c) 2005 - 2008, Paul Buetow 
+ *: All rights reserved.
+ *: 
+ *: Redistribution and use in source and binary forms, with or without modi-
+ *: fication, are permitted provided that the following conditions are met:
+ *:  * Redistributions of source code must retain the above copyright
+ *:    notice, this list of conditions and the following disclaimer.
+ *:  * Redistributions in binary form must reproduce the above copyright
+ *:    notice, this list of conditions and the following disclaimer in the
+ *:    documentation and/or other materials provided with the distribution.
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
+ *:    without specific prior written permission.
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY PAUL C. BUETOW AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
+ *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *: DISCLAIMED. IN NO EVENT SHALL PAUL C. BUETOW BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+ *: POSSIBILITY OF SUCH DAMAGE.
+ *:*/
+
+#ifndef FUNCTION_H
+#define FUNCTION_H
+
+typedef struct {
+   char *c_name;
+} Function;
+
+Function* function_new();
+void function_delete(Function *p_function);
+
+#endif /* FUNCTION_H */
diff --git a/src/core/functions.c b/src/core/functions.c
new file mode 100644
index 0000000..e534e9a
--- /dev/null
+++ b/src/core/functions.c
@@ -0,0 +1,985 @@
+/*:*
+ *: File: ./src/core/functions.c
+ *: A simple interpreter
+ *: 
+ *: WWW		: http://fype.buetow.org
+ *: AUTHOR	: http://paul.buetow.org
+ *: E-Mail	: fype at dev.buetow.org
+ *: 
+ *: Copyright (c) 2005 - 2008, Paul Buetow 
+ *: All rights reserved.
+ *: 
+ *: Redistribution and use in source and binary forms, with or without modi-
+ *: fication, are permitted provided that the following conditions are met:
+ *:  * Redistributions of source code must retain the above copyright
+ *:    notice, this list of conditions and the following disclaimer.
+ *:  * Redistributions in binary form must reproduce the above copyright
+ *:    notice, this list of conditions and the following disclaimer in the
+ *:    documentation and/or other materials provided with the distribution.
+ *:  * Neither the name of P. B. Labs nor the names of its contributors may 
+ *:    be used to endorse or promote products derived from this software 
+ *:    without specific prior written permission.
+ *: 
+ *: THIS SOFTWARE IS PROVIDED BY PAUL C. BUETOW AS IS'' AND ANY EXPRESS OR 
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
+ *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *: DISCLAIMED. IN NO EVENT SHALL PAUL C. BUETOW BE LIABLE FOR ANY DIRECT, 
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+ *: POSSIBILITY OF SUCH DAMAGE.
+ *:*/
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "functions.h"
+
+#include "convert.h"
+#include "scope.h"
+#include "symbol.h"
+
+#define _FUNCTIONS_ERROR(m,t) \
+	 ERROR(\
+		"%s: Function error in %s line %d pos %d near '%s'", m, \
+		token_get_filename(t), \
+		token_get_line_nr(t), \
+		token_get_pos_nr(t), \
+		token_get_val(t) \
+		)
+
+Functions*
+functions_new() {
+   Functions *p_functions = malloc(sizeof(Functions));
+
+   p_functions->p_hash_functions = hash_new(1024);
+   functions_init(p_functions);
+
+   return (p_functions);
+}
+
+void
+functions_delete(Functions *p_functions) {
+   hash_delete(p_functions->p_hash_functions);
+   free(p_functions);
+}
+
+
+void
+_process(Interpret *p_interpret, Token *p_token_store, Token *p_token_op,
+         Token *p_token_op2, Token *p_token_next) {
+
+   TokenType tt_op = token_get_tt(p_token_op);
+   TokenType tt_op2 = p_token_op2 == NULL
+                      ? TT_NONE
+                      : token_get_tt(p_token_op2);
+
+#ifdef DEBUG_FUNCTION_PROCESS
+   if (p_token_op2 == NULL)
+      printf("DEBUG::FUNCTION::PROCESS: Operator %s\n", tt_get_name(tt_op));
+   else
+      printf("DEBUG::FUNCTION::PROCESS: Operator %s %s\n", tt_get_name(tt_op),
+             tt_get_name(tt_op2));
+
+   token_print(p_token_next);
+   printf("\n");
+   token_print(p_token_store);
+   printf("\n");
+#endif /* DEBUG_FUNCTION_PROCESS */
+
+   if (p_token_op2 != NULL) {
+      switch (tt_op) {
+      case TT_NOT:
+         switch (tt_op2) {
+         case TT_ASSIGN:
+            tt_op = TT_NEQ;
+            break;
+         default:
+            break;
+         }
+         break;
+      case TT_ASSIGN:
+         switch (tt_op2) {
+         case TT_ASSIGN:
+            tt_op = TT_EQ;
+            break;
+         default:
+            break;
+         }
+         break;
+      case TT_LT:
+         switch (tt_op2) {
+         case TT_ASSIGN:
+            tt_op = TT_LE;
+            break;
+         default:
+            break;
+         }
+         break;
+      case TT_GT:
+         switch (tt_op2) {
+         case TT_ASSIGN:
+            tt_op = TT_GE;
+            break;
+         default:
+            break;
+         }
+         break;
+      case TT_DDOT:
+         switch (tt_op2) {
+         case TT_LT:
+            tt_op = TT_LSHIFT;
+            break;
+         case TT_GT:
+            tt_op = TT_RSHIFT;
+            break;
+         default:
+            break;
+         }
+         break;
+      default:
+         break;
+      }
+   } else {
+      switch (tt_op) {
+      case TT_ASSIGN:
+      {
+         Token *p_token_assign = p_interpret->p_token_temp;
+         TokenType tt_assign = token_get_tt(p_token_assign);
+
+         if (tt_assign != TT_IDENT) {
+            _FUNCTIONS_ERROR("Can only assign to symbols",
+                             p_token_store);
+         }
+
+         Symbol *p_symbol = scope_get(p_interpret->p_scope,
+                                      token_get_val(p_token_assign));
+
+         if (p_symbol == NULL) {
+            _FUNCTIONS_ERROR("No such symbol",
+                             p_token_assign);
+         }
+
+         symbol_set_val(p_symbol, p_token_store);
+         symbol_set_sym(p_symbol, SYM_VARIABLE);
+
+         return;
+      }
+
+      break;
+      NO_DEFAULT;
+      }
+   }
+
+   p_token_next = token_new_copy(p_token_next);
+   TokenType tt_highest = convert_to_highest(p_token_store, p_token_next);
+
+#ifdef DEBUG_FUNCTION_PROCESS
+   printf("DEBUG::FUNCTION::PROCESS: ===> %s %s %s\n",
+          tt_get_name(tt_highest),
+          tt_get_name(tt_op),
+          tt_get_name(tt_highest));
+#endif /* DEBUG_FUNCTION_PROCESS */
+
+   switch (tt_op) {
+   case TT_ADD:
+      switch (tt_highest) {
+      case TT_INTEGER:
+         token_set_ival(p_token_store,
+                        token_get_ival(p_token_next) +
+                        token_get_ival(p_token_store));
+         break;
+      case TT_DOUBLE:
+         token_set_dval(p_token_store,
+                        token_get_dval(p_token_next) +
+                        token_get_dval(p_token_store));
+         break;
+      case TT_STRING:
+         token_set_ival(p_token_store,
+                        atoi(token_get_val(p_token_next)) +
+                        atoi(token_get_val(p_token_store)));
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_ARRAY:
+         array_append(p_token_store->p_array,
+                      p_token_next->p_array);
+         break;
+         NO_DEFAULT;
+      }
+      break;
+   case TT_SUB:
+      switch (tt_highest) {
+      case TT_INTEGER:
+         token_set_ival(p_token_store,
+                        token_get_ival(p_token_next) -
+                        token_get_ival(p_token_store));
+         break;
+      case TT_DOUBLE:
+         token_set_dval(p_token_store,
+                        token_get_dval(p_token_next) -
+                        token_get_dval(p_token_store));
+         break;
+      case TT_STRING:
+         token_set_ival(p_token_store,
+                        atoi(token_get_val(p_token_next)) -
+                        atoi(token_get_val(p_token_store)));
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_ARRAY:
+         ERROR("TT_ARRAY - TT_ARRAY not yet implemented");
+         break;
+         NO_DEFAULT;
+      }
+      break;
+   case TT_MULT:
+      switch (tt_highest) {
+      case TT_INTEGER:
+         token_set_ival(p_token_store,
+                        token_get_ival(p_token_next) *
+                        token_get_ival(p_token_store));
+         break;
+      case TT_DOUBLE:
+         token_set_dval(p_token_store,
+                        token_get_dval(p_token_next) *
+                        token_get_dval(p_token_store));
+         break;
+      case TT_STRING:
+         token_set_ival(p_token_store,
+                        atoi(token_get_val(p_token_next)) *
+                        atoi(token_get_val(p_token_store)));
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_ARRAY:
+         ERROR("TT_ARRAY * TT_ARRAY not yet implemented");
+         break;
+         NO_DEFAULT;
+      }
+      break;
+   case TT_DIV:
+      switch (tt_highest) {
+      case TT_INTEGER:
+         token_set_ival(p_token_store,
+                        (int) token_get_ival(p_token_next) /
+                        token_get_ival(p_token_store));
+         break;
+      case TT_DOUBLE:
+         token_set_dval(p_token_store,
+                        token_get_dval(p_token_next) /
+                        token_get_dval(p_token_store));
+         break;
+      case TT_STRING:
+         token_set_dval(p_token_store,
+                        atof(token_get_val(p_token_next)) /
+                        atof(token_get_val(p_token_store)));
+         token_set_tt(p_token_store, TT_DOUBLE);
+         break;
+      case TT_ARRAY:
+         ERROR("TT_ARRAY / TT_ARRAY not yet implemented");
+         break;
+         NO_DEFAULT;
+      }
+      break;
+   case TT_EQ:
+      switch (tt_highest) {
+      case TT_INTEGER:
+         token_set_ival(p_token_store,
+                        (int) token_get_ival(p_token_next) ==
+                        token_get_ival(p_token_store));
+         break;
+      case TT_DOUBLE:
+         token_set_ival(p_token_store,
+                        token_get_dval(p_token_next) ==
+                        token_get_dval(p_token_store));
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_STRING:
+         token_set_ival(p_token_store,
+                        strcmp(token_get_val(p_token_next),
+                               token_get_val(p_token_store)) == 0);
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_ARRAY:
+         ERROR("TT_ARRAY eq TT_ARRAY not yet implemented");
+         break;
+         NO_DEFAULT;
+      }
+      break;
+   case TT_NEQ:
+      switch (tt_highest) {
+      case TT_INTEGER:
+         token_set_ival(p_token_store,
+                        (int) token_get_ival(p_token_next) !=
+                        token_get_ival(p_token_store));
+         break;
+      case TT_DOUBLE:
+         token_set_ival(p_token_store,
+                        token_get_dval(p_token_next) !=
+                        token_get_dval(p_token_store));
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_STRING:
+         token_set_ival(p_token_store,
+                        strcmp(token_get_val(p_token_next),
+                               token_get_val(p_token_store)) != 0);
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_ARRAY:
+         ERROR("ARRAY bla yet implemented");
+         break;
+         NO_DEFAULT;
+      }
+      break;
+   case TT_LE:
+      switch (tt_highest) {
+      case TT_INTEGER:
+         token_set_ival(p_token_store,
+                        (int) token_get_ival(p_token_next) <=
+                        token_get_ival(p_token_store));
+         break;
+      case TT_DOUBLE:
+         token_set_ival(p_token_store,
+                        token_get_dval(p_token_next) <=
+                        token_get_dval(p_token_store));
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_STRING:
+         token_set_ival(p_token_store,
+                        strcmp(token_get_val(p_token_next),
+                               token_get_val(p_token_store)) <= 0);
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_ARRAY:
+         ERROR("ARRAY bla yet implemented");
+         break;
+         NO_DEFAULT;
+      }
+      break;
+   case TT_GE:
+      switch (tt_highest) {
+      case TT_INTEGER:
+         token_set_ival(p_token_store,
+                        (int) token_get_ival(p_token_next) >=
+                        token_get_ival(p_token_store));
+         break;
+      case TT_DOUBLE:
+         token_set_ival(p_token_store,
+                        token_get_dval(p_token_next) >=
+                        token_get_dval(p_token_store));
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_STRING:
+         token_set_ival(p_token_store,
+                        strcmp(token_get_val(p_token_next),
+                               token_get_val(p_token_store)) >= 0);
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_ARRAY:
+         ERROR("ARRAY bla yet implemented");
+         break;
+         NO_DEFAULT;
+      }
+      break;
+   case TT_LT:
+      switch (tt_highest) {
+      case TT_INTEGER:
+         token_set_ival(p_token_store,
+                        (int) token_get_ival(p_token_next) <
+                        token_get_ival(p_token_store));
+         break;
+      case TT_DOUBLE:
+         token_set_ival(p_token_store,
+                        token_get_dval(p_token_next) <
+                        token_get_dval(p_token_store));
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_STRING:
+         token_set_ival(p_token_store,
+                        strcmp(token_get_val(p_token_next),
+                               token_get_val(p_token_store)) < 0);
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_ARRAY:
+         ERROR("ARRAY bla yet implemented");
+         break;
+         NO_DEFAULT;
+      }
+      break;
+   case TT_GT:
+      switch (tt_highest) {
+      case TT_INTEGER:
+         token_set_ival(p_token_store,
+                        (int) token_get_ival(p_token_next) >
+                        token_get_ival(p_token_store));
+         break;
+      case TT_DOUBLE:
+         token_set_ival(p_token_store,
+                        token_get_dval(p_token_next) >
+                        token_get_dval(p_token_store));
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_STRING:
+         token_set_ival(p_token_store,
+                        strcmp(token_get_val(p_token_next),
+                               token_get_val(p_token_store)) > 0);
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_ARRAY:
+         ERROR("ARRAY bla yet implemented");
+         break;
+         NO_DEFAULT;
+      }
+      break;
+   case TT_AND:
+      switch (tt_highest) {
+      case TT_INTEGER:
+         token_set_ival(p_token_store,
+                        (int) token_get_ival(p_token_next) &
+                        token_get_ival(p_token_store));
+         break;
+      case TT_DOUBLE:
+         token_set_ival(p_token_store,
+                        (int) token_get_dval(p_token_next) &
+                        (int) token_get_dval(p_token_store));
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_STRING:
+         token_set_ival(p_token_store,
+                        atoi(token_get_val(p_token_next)) &
+                        atoi(token_get_val(p_token_store)));
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_ARRAY:
+         ERROR("ARRAY bla yet implemented");
+         break;
+         NO_DEFAULT;
+      }
+      break;
+   case TT_OR:
+      switch (tt_highest) {
+      case TT_INTEGER:
+         token_set_ival(p_token_store,
+                        (int) token_get_ival(p_token_next) |
+                        token_get_ival(p_token_store));
+         break;
+      case TT_DOUBLE:
+         token_set_ival(p_token_store,
+                        (int) token_get_dval(p_token_next) |
+                        (int) token_get_dval(p_token_store));
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_STRING:
+         token_set_ival(p_token_store,
+                        atoi(token_get_val(p_token_next)) |
+                        atoi(token_get_val(p_token_store)));
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_ARRAY:
+         ERROR("ARRAY bla yet implemented");
+         break;
+         NO_DEFAULT;
+      }
+      break;
+   case TT_XOR:
+      switch (tt_highest) {
+      case TT_INTEGER:
+         token_set_ival(p_token_store,
+                        (int) token_get_ival(p_token_next) ^
+                        token_get_ival(p_token_store));
+         break;
+      case TT_DOUBLE:
+         token_set_ival(p_token_store,
+                        (int) token_get_dval(p_token_next) ^
+                        (int) token_get_dval(p_token_store));
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_STRING:
+         token_set_ival(p_token_store,
+                        atoi(token_get_val(p_token_next)) ^
+                        atoi(token_get_val(p_token_store)));
+         token_set_tt(p_token_store, TT_INTEGER);
+         break;
+      case TT_ARRAY:
+         ERROR("A