46 files changed, 8225 insertions, 0 deletions

diff --git a/src/argv.c b/src/argv.c
new file mode 100644
index 0000000..7e83b0d
--- /dev/null
+++ b/src/argv.c
@@ -0,0 +1,182 @@
+/*:*
+ *: File: ./src/argv.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 "argv.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "defines.h"
+#include "data/dat.h"
+
+#define ARGV_OSLEN 128
+
+char *BINARY;
+
+void
+argv_run(Fype *p_fype, int i_argc, char **pc_argv) {
+   Dat *p_dat_string = dat_new();
+
+   BINARY = pc_argv[0];
+   char *c_tmp = STR_NEW(ARGV_OSLEN);
+   c_tmp[0] = '\0';
+
+   p_fype->p_tupel_argv->a = p_dat_string;
+   p_fype->p_tupel_argv->b = c_tmp;
+
+   if (i_argc <= 1) {
+      argv_synopsis(p_fype->p_tupel_argv);
+      exit(1);
+   }
+
+   for (int i = 1; i < i_argc; ++i) {
+      if (pc_argv[i][0] != '-' && pc_argv[i][0] != '/') {
+         dat_push(p_dat_string, pc_argv[i]);
+         continue;
+      }
+
+      int i_len = strlen(pc_argv[i]);
+      unsigned i_argc_left = i_argc - i + dat_size(p_dat_string);
+
+      for (int j = 1; j < i_len; ++j)
+         argv_switch(pc_argv[i][j], p_fype->p_tupel_argv, i_argc_left);
+   }
+}
+
+void
+argv_switch(char c_arg, Tupel *p_tupel_argv, unsigned i_argc_left) {
+   switch (c_arg) {
+   case 'e':
+   case 'T':
+   case 'V':
+      argv_addopt(c_arg, p_tupel_argv);
+      return;
+   case 'h':
+      argv_help();
+      exit(0);
+   case 's':
+      argv_synopsis(p_tupel_argv);
+      exit(0);
+   case 'v':
+      printf("%s %s %d\n", NAME, VERSION, BUILDNR);
+      exit(0);
+   }
+
+   char buf[2];
+   buf[0] = c_arg;
+   buf[1] = '\0';
+
+   EPRINTF("Error: No such option '%s'!\n", buf);
+   exit(1);
+}
+
+void
+argv_synopsis(Tupel *p_tupel_argv) {
+   printf("Synopsis:\n");
+   printf("%s ", BINARY);
+   printf("[-[hsvTV]] file.fy\n");
+   printf("%s ", BINARY);
+   printf("-e \"code string;\"\n");
+
+   if (!argv_checkopt('h', p_tupel_argv))
+      printf("\t(Hint: Try -h for details)\n");
+}
+
+void
+argv_help() {
+   printf("%s %s %d\n", NAME, VERSION, BUILDNR);
+   printf("%s\n", COPYRIGHT);
+   printf("\t-e\tExecutes given code string (see synopses)\n");
+   printf("\t-h\tPrints this help\n");
+   printf("\t-s\tPrints the synopsis\n");
+   printf("\t-v\tPrints the current version\n");
+   printf("\t-T\tPrints token list after scanning\n");
+   printf("\t-V\tVerbose mode: Print all possible output\n");
+   exit(0);
+}
+
+void
+argv_addopt(char c_opt, Tupel *p_tupel_argv) {
+   char *c_opts = (char *) p_tupel_argv->b;
+   int i_len = strlen(c_opts), i;
+
+   for (i = 0; i < i_len; ++i)
+      if (c_opts[i] == c_opt)
+         return;
+
+   c_opts[i] = c_opt;
+   c_opts[i+1] = '\0';
+}
+
+_Bool
+argv_checkopt(char c_opt, Tupel *p_tupel_argv) {
+   char *c_opts = (char *) p_tupel_argv->b;
+   int i_len = strlen(c_opts);
+
+   for (int i = 0; i < i_len; ++i)
+      if (c_opts[i] == c_opt)
+         return 1;
+
+   return 0;
+}
+
+_Bool
+argv_checkopts(char *c_opts, Tupel *p_tupel_argv) {
+   int i_len = strlen(c_opts);
+
+   for (int i = 0; i < i_len; ++i)
+      if (argv_checkopt(c_opts[i], p_tupel_argv))
+         return 1;
+
+   return 0;
+}
+
+void
+argv_check_argc(int i_required, unsigned i_argc_left, Tupel *p_tupel_argv) {
+   if ((unsigned) ++i_required > i_argc_left) {
+      argv_synopsis(p_tupel_argv);
+      EPRINTF("%d argument(s) missing!\n", i_required-i_argc_left);
+      exit(1);
+   }
+}
+
+void
+argv_tupel_delete(Tupel *p_tupel_argv) {
+   dat_delete(p_tupel_argv->a);
+   free(p_tupel_argv->b);
+   tupel_delete(p_tupel_argv);
+}
+
diff --git a/src/argv.h b/src/argv.h
new file mode 100644
index 0000000..2f3d792
--- /dev/null
+++ b/src/argv.h
@@ -0,0 +1,52 @@
+/*:*
+ *: File: ./src/argv.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 ARGV_H
+#define ARGV_H
+
+#include "data/tupel.h"
+#include "fype.h"
+
+void argv_run(Fype *p_fype, int i_argc, char **pc_argv);
+void argv_switch(char c_arg, Tupel *p_tupel_argv, unsigned i_argc_left);
+void argv_synopsis(Tupel *p_tupel_argv);
+void argv_help();
+void argv_addopt(char c_opt, Tupel *p_tupel_argv);
+_Bool argv_checkopt(char c_opt, Tupel *p_tupel_argv);
+_Bool argv_checkopts(char *c_opts, Tupel *p_tupel_argv);
+void argv_check_argc(int i_required, unsigned i_argc_left, Tupel *p_tupel_argv);
+void argv_tupel_delete(Tupel *p_tupel_argv);
+
+#endif
diff --git a/src/build.h b/src/build.h
new file mode 100644
index 0000000..4e046ad
--- /dev/null
+++ b/src/build.h
@@ -0,0 +1,42 @@
+/*:*
+ *: File: ./src/build.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 BUILD_H
+#define BUILD_H
+
+#define BUILDNR 9666
+#define OS_FREEBSD
+
+#endif
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 fol