diff --git a/stix/lib/comp.c b/stix/lib/comp.c
index ebd0464..98e067b 100644
--- a/stix/lib/comp.c
+++ b/stix/lib/comp.c
@@ -2451,10 +2451,11 @@ static int make_defined_class (stix_t* stix)
 	                             stix->c->cls.indexed_type);
 	self_spec = STIX_CLASS_SELFSPEC_MAKE(stix->c->cls.var_count[VAR_CLASS], stix->c->cls.var_count[VAR_CLASSINST]);
 
+#if 0
 printf ("MAKING ... ");
 print_ucs (&stix->c->cls.name);
 printf (" instvars %d classvars %d classinstvars %d\n", (int)stix->c->cls.var_count[VAR_INSTANCE], (int)stix->c->cls.var_count[VAR_CLASS], (int)stix->c->cls.var_count[VAR_CLASSINST]);
-
+#endif
 	if (stix->c->cls.self_oop)
 	{
 		STIX_ASSERT (STIX_CLASSOF(stix, stix->c->cls.self_oop) == stix->_class);
@@ -2466,11 +2467,12 @@ printf (" instvars %d classvars %d classinstvars %d\n", (int)stix->c->cls.var_co
 			/* it conflicts with internal definition */
 
 
+#if 0
 printf (" CONFLICTING CLASS DEFINITION %lu %lu %lu %lu\n", 
 		(unsigned long)spec, (unsigned long)self_spec,
 		(unsigned long)STIX_OOP_TO_SMINT(stix->c->cls.self_oop->spec), (unsigned long)STIX_OOP_TO_SMINT(stix->c->cls.self_oop->selfspec)
 );
-
+#endif
 			set_syntax_error (stix, STIX_SYNERR_CLASSCONTRA, &stix->c->cls.name_loc, &stix->c->cls.name);
 			return -1;
 		}
@@ -2510,7 +2512,10 @@ printf (" CONFLICTING CLASS DEFINITION %lu %lu %lu %lu\n",
 	if (!tmp) return -1;
 	stix->c->cls.self_oop->classinstvars = (stix_oop_char_t)tmp;
 
-/* TODO: initialize more fields??? method_dictionary. */
+	tmp = stix_instantiate(stix, stix->_method_dictionary, STIX_NULL, 0);
+	if (!tmp) return -1;
+	stix->c->cls.mthdic_oop = (stix_oop_set_t)tmp;
+/* TODO: initialize more fields??? whatelse. */
 
 	if (just_made)
 	{
@@ -2596,6 +2601,8 @@ static int __compile_class_definition (stix_t* stix)
 
 	if (stix->c->tok.type == STIX_IOTOK_LPAREN)
 	{
+		int super_is_nil = 0;
+
 printf ("DEFININING..\n");
 {
 int i;
@@ -2605,7 +2612,6 @@ printf ("%c", stix->c->cls.name.ptr[i]);
 }
 printf ("\n");
 }
-		int super_is_nil = 0;
 
 		/* superclass is specified. new class defintion.
 		 * for example, #class Class(Stix) 
@@ -2799,6 +2805,7 @@ static int compile_class_definition (stix_t* stix)
 
 	stix->c->cls.self_oop = STIX_NULL;
 	stix->c->cls.super_oop = STIX_NULL;
+	stix->c->cls.mthdic_oop = STIX_NULL;
 
 	/* do main compilation work */
 	n = __compile_class_definition (stix);
@@ -2806,6 +2813,7 @@ static int compile_class_definition (stix_t* stix)
 	/* reset these oops not to confuse gc_compiler() */
 	stix->c->cls.self_oop = STIX_NULL;
 	stix->c->cls.super_oop = STIX_NULL;
+	stix->c->cls.mthdic_oop = STIX_NULL;
 
 	return n;
 }
diff --git a/stix/lib/dic.c b/stix/lib/dic.c
index be6cc95..ad41268 100644
--- a/stix/lib/dic.c
+++ b/stix/lib/dic.c
@@ -26,23 +26,25 @@
 
 #include "stix-prv.h"
 
-static stix_oop_oop_t expand_bucket (stix_t* stix, stix_oop_oop_t old_bucket)
+static stix_oop_oop_t expand_bucket (stix_t* stix, stix_oop_oop_t oldbuc)
 {
-	stix_oop_oop_t new_bucket;
+	stix_oop_oop_t newbuc;
 	stix_oow_t oldsz, newsz, index;
 	stix_oop_association_t ass;
 	stix_oop_char_t key;
 
 /* TODO: derive a better growth size */
-	new_bucket = (stix_oop_oop_t)stix_instantiate (stix, stix->_array, STIX_NULL, STIX_OBJ_GET_SIZE(old_bucket) * 2); 
-	if (!new_bucket) return STIX_NULL;
+	stix_pushtmp (stix, (stix_oop_t*)&oldbuc);
+	newbuc = (stix_oop_oop_t)stix_instantiate (stix, stix->_array, STIX_NULL, STIX_OBJ_GET_SIZE(oldbuc) * 2); 
+	stix_poptmp (stix);
+	if (!newbuc) return STIX_NULL;
 
-	oldsz = STIX_OBJ_GET_SIZE(old_bucket);
-	newsz = STIX_OBJ_GET_SIZE(new_bucket);
+	oldsz = STIX_OBJ_GET_SIZE(oldbuc);
+	newsz = STIX_OBJ_GET_SIZE(newbuc);
 
 	while (oldsz > 0)
 	{
-		ass = (stix_oop_association_t)old_bucket->slot[--oldsz];
+		ass = (stix_oop_association_t)oldbuc->slot[--oldsz];
 		if ((stix_oop_t)ass != stix->_nil)
 		{
 			STIX_ASSERT (STIX_CLASSOF(stix,ass) == stix->_association);
@@ -50,17 +52,16 @@ static stix_oop_oop_t expand_bucket (stix_t* stix, stix_oop_oop_t old_bucket)
 			key = (stix_oop_char_t)ass->key;
 			STIX_ASSERT (STIX_CLASSOF(stix,key) == (stix_oop_t)stix->_symbol);
 
-			index = stix_hashchars (key->slot, STIX_OBJ_GET_SIZE(key)) % newsz;
-			while (new_bucket->slot[index] != stix->_nil) 
-				index = (index + 1) % newsz;
-			new_bucket->slot[index] = (stix_oop_t)ass;
+			index = stix_hashchars(key->slot, STIX_OBJ_GET_SIZE(key)) % newsz;
+			while (newbuc->slot[index] != stix->_nil) index = (index + 1) % newsz;
+			newbuc->slot[index] = (stix_oop_t)ass;
 		}
 	}
 
-	return new_bucket;
+	return newbuc;
 }
 
-static stix_oop_t find_or_insert (stix_t* stix, stix_oop_char_t key, stix_oop_t value)
+static stix_oop_t find_or_insert (stix_t* stix, stix_oop_set_t dic, stix_oop_char_t key, stix_oop_t value)
 {
 	stix_oow_t index, tally;
 	stix_oop_association_t ass;
@@ -69,14 +70,14 @@ static stix_oop_t find_or_insert (stix_t* stix, stix_oop_char_t key, stix_oop_t
 	/* the system dictionary is not a generic dictionary.
 	 * it accepts only a symbol as a key. */
 	STIX_ASSERT (STIX_CLASSOF(stix,key) == stix->_symbol);
-	STIX_ASSERT (STIX_CLASSOF(stix,stix->sysdic->tally) == stix->_small_integer);
-	STIX_ASSERT (STIX_CLASSOF(stix,stix->sysdic->bucket) == stix->_array);
+	STIX_ASSERT (STIX_CLASSOF(stix,dic->tally) == stix->_small_integer);
+	STIX_ASSERT (STIX_CLASSOF(stix,dic->bucket) == stix->_array);
 
-	index = stix_hashchars(key->slot, STIX_OBJ_GET_SIZE(key)) % STIX_OBJ_GET_SIZE(stix->sysdic->bucket);
+	index = stix_hashchars(key->slot, STIX_OBJ_GET_SIZE(key)) % STIX_OBJ_GET_SIZE(dic->bucket);
 
-	while (stix->sysdic->bucket->slot[index] != stix->_nil) 
+	while (dic->bucket->slot[index] != stix->_nil) 
 	{
-		ass = (stix_oop_association_t)stix->sysdic->bucket->slot[index];
+		ass = (stix_oop_association_t)dic->bucket->slot[index];
 
 		STIX_ASSERT (STIX_CLASSOF(stix,ass) == stix->_association);
 		STIX_ASSERT (STIX_CLASSOF(stix,ass->key) == stix->_symbol);
@@ -87,7 +88,7 @@ static stix_oop_t find_or_insert (stix_t* stix, stix_oop_char_t key, stix_oop_t
 			return (stix_oop_t)ass;
 		}
 
-		index = (index + 1) % STIX_OBJ_GET_SIZE(stix->sysdic->bucket);
+		index = (index + 1) % STIX_OBJ_GET_SIZE(dic->bucket);
 	}
 
 	if (value == STIX_NULL)
@@ -97,11 +98,12 @@ static stix_oop_t find_or_insert (stix_t* stix, stix_oop_char_t key, stix_oop_t
 		return STIX_NULL;
 	}
 
+	stix_pushtmp (stix, (stix_oop_t*)&dic); tmp_count++;
 	stix_pushtmp (stix, (stix_oop_t*)&key); tmp_count++;
 	stix_pushtmp (stix, &value); tmp_count++;
 
-	tally = STIX_OOP_TO_SMINT(stix->sysdic->tally);
-	if (tally + 1 >= STIX_OBJ_GET_SIZE(stix->sysdic->bucket))
+	tally = STIX_OOP_TO_SMINT(dic->tally);
+	if (tally + 1 >= STIX_OBJ_GET_SIZE(dic->bucket))
 	{
 		stix_oop_oop_t bucket;
 
@@ -113,28 +115,28 @@ static stix_oop_t find_or_insert (stix_t* stix, stix_oop_char_t key, stix_oop_t
 		 * make sure that it has at least one free slot left
 		 * after having added a new symbol. this is to help
 		 * traversal end at a _nil slot if no entry is found. */
-		bucket = expand_bucket (stix, stix->sysdic->bucket);
+		bucket = expand_bucket (stix, dic->bucket);
 		if (!bucket) goto oops;
 
-		stix->sysdic->bucket = bucket;
+		dic->bucket = bucket;
 
 		/* recalculate the index for the expanded bucket */
-		index = stix_hashchars(key->slot, STIX_OBJ_GET_SIZE(key)) % STIX_OBJ_GET_SIZE(stix->sysdic->bucket);
+		index = stix_hashchars(key->slot, STIX_OBJ_GET_SIZE(key)) % STIX_OBJ_GET_SIZE(dic->bucket);
 
-		while (stix->sysdic->bucket->slot[index] != stix->_nil) 
-			index = (index + 1) % STIX_OBJ_GET_SIZE(stix->sysdic->bucket);
+		while (dic->bucket->slot[index] != stix->_nil) 
+			index = (index + 1) % STIX_OBJ_GET_SIZE(dic->bucket);
 	}
 
 	/* create a new assocation of a key and a value since 
 	 * the key isn't found in the root dictionary */
 	ass = (stix_oop_association_t)stix_instantiate (stix, stix->_association, STIX_NULL, 0);
 	if (!ass) goto oops;
-	
+
 	ass->key = (stix_oop_t)key;
 	ass->value = value;
 
-	stix->sysdic->tally = STIX_OOP_FROM_SMINT(tally + 1);
-	stix->sysdic->bucket->slot[index] = (stix_oop_t)ass;
+	dic->tally = STIX_OOP_FROM_SMINT(tally + 1);
+	dic->bucket->slot[index] = (stix_oop_t)ass;
 
 	stix_poptmps (stix, tmp_count);
 	return (stix_oop_t)ass;
@@ -144,19 +146,7 @@ oops:
 	return STIX_NULL;
 }
 
-stix_oop_t stix_putatsysdic (stix_t* stix, stix_oop_t key, stix_oop_t value)
-{
-	STIX_ASSERT (STIX_CLASSOF(stix,key) == stix->_symbol);
-	return find_or_insert (stix, (stix_oop_char_t)key, value);
-}
-
-stix_oop_t stix_getatsysdic (stix_t* stix, stix_oop_t key)
-{
-	STIX_ASSERT (STIX_CLASSOF(stix,key) == stix->_symbol);
-	return find_or_insert (stix, (stix_oop_char_t)key, STIX_NULL);
-}
-
-stix_oop_t stix_lookupsysdic (stix_t* stix, const stix_ucs_t* name)
+static stix_oop_t lookup (stix_t* stix, stix_oop_set_t dic, const stix_ucs_t* name)
 {
 	/* this is special version of stix_getatsysdic() that performs
 	 * lookup using a plain string specified */
@@ -164,14 +154,14 @@ stix_oop_t stix_lookupsysdic (stix_t* stix, const stix_ucs_t* name)
 	stix_oow_t index;
 	stix_oop_association_t ass;
 
-	STIX_ASSERT (STIX_CLASSOF(stix,stix->sysdic->tally) == stix->_small_integer);
-	STIX_ASSERT (STIX_CLASSOF(stix,stix->sysdic->bucket) == stix->_array);
+	STIX_ASSERT (STIX_CLASSOF(stix,dic->tally) == stix->_small_integer);
+	STIX_ASSERT (STIX_CLASSOF(stix,dic->bucket) == stix->_array);
 
-	index = stix_hashchars(name->ptr, name->len) % STIX_OBJ_GET_SIZE(stix->sysdic->bucket);
+	index = stix_hashchars(name->ptr, name->len) % STIX_OBJ_GET_SIZE(dic->bucket);
 
-	while (stix->sysdic->bucket->slot[index] != stix->_nil) 
+	while (dic->bucket->slot[index] != stix->_nil) 
 	{
-		ass = (stix_oop_association_t)stix->sysdic->bucket->slot[index];
+		ass = (stix_oop_association_t)dic->bucket->slot[index];
 
 		STIX_ASSERT (STIX_CLASSOF(stix,ass) == stix->_association);
 		STIX_ASSERT (STIX_CLASSOF(stix,ass->key) == stix->_symbol);
@@ -182,10 +172,63 @@ stix_oop_t stix_lookupsysdic (stix_t* stix, const stix_ucs_t* name)
 			return (stix_oop_t)ass;
 		}
 
-		index = (index + 1) % STIX_OBJ_GET_SIZE(stix->sysdic->bucket);
+		index = (index + 1) % STIX_OBJ_GET_SIZE(dic->bucket);
 	}
 
 	/* when value is STIX_NULL, perform no insertion */
 	stix->errnum = STIX_ENOENT;
 	return STIX_NULL;
 }
+
+stix_oop_t stix_putatsysdic (stix_t* stix, stix_oop_t key, stix_oop_t value)
+{
+	STIX_ASSERT (STIX_CLASSOF(stix,key) == stix->_symbol);
+	return find_or_insert (stix, stix->sysdic, (stix_oop_char_t)key, value);
+}
+
+stix_oop_t stix_getatsysdic (stix_t* stix, stix_oop_t key)
+{
+	STIX_ASSERT (STIX_CLASSOF(stix,key) == stix->_symbol);
+	return find_or_insert (stix, stix->sysdic, (stix_oop_char_t)key, STIX_NULL);
+}
+
+stix_oop_t stix_lookupsysdic (stix_t* stix, const stix_ucs_t* name)
+{
+	return lookup (stix, stix->sysdic, name);
+}
+
+stix_oop_t stix_putatdic (stix_t* stix, stix_oop_set_t dic, stix_oop_t key, stix_oop_t value)
+{
+	STIX_ASSERT (STIX_CLASSOF(stix,key) == stix->_symbol);
+	return find_or_insert (stix, stix->sysdic, (stix_oop_char_t)key, value);
+}
+
+stix_oop_t stix_getatdic (stix_t* stix, stix_oop_set_t dic, stix_oop_t key)
+{
+	STIX_ASSERT (STIX_CLASSOF(stix,key) == stix->_symbol);
+	return find_or_insert (stix, dic, (stix_oop_char_t)key, STIX_NULL);
+}
+
+stix_oop_t stix_lookupdic (stix_t* stix, stix_oop_set_t dic, const stix_ucs_t* name)
+{
+	return lookup (stix, dic, name);
+}
+
+stix_oop_set_t stix_makedic (stix_t* stix, stix_oop_t cls, stix_oow_t size)
+{
+	stix_oop_set_t dic;
+	stix_oop_t tmp;
+
+	dic = (stix_oop_set_t)stix_instantiate (stix, cls, STIX_NULL, 0);
+	if (!dic) return STIX_NULL;
+
+	dic->tally = STIX_OOP_FROM_SMINT(0);
+
+	stix_pushtmp (stix, (stix_oop_t*)&dic);
+	tmp = stix_instantiate (stix, stix->_array, STIX_NULL, size);
+	stix_poptmp (stix);
+	if (!tmp) return STIX_NULL;
+
+	dic->bucket = (stix_oop_oop_t)tmp;
+	return dic;
+}
diff --git a/stix/lib/gc.c b/stix/lib/gc.c
index e3b7a22..22fbf3e 100644
--- a/stix/lib/gc.c
+++ b/stix/lib/gc.c
@@ -209,6 +209,7 @@ printf ("STARTING GC curheap base %p ptr %p newheap base %p ptr %p\n",
 	stix->_symbol            = stix_moveoop (stix, stix->_symbol);
 	stix->_symbol_set        = stix_moveoop (stix, stix->_symbol_set);
 	stix->_system_dictionary = stix_moveoop (stix, stix->_system_dictionary);
+	stix->_method_dictionary = stix_moveoop (stix, stix->_method_dictionary);
 	stix->_association       = stix_moveoop (stix, stix->_association);
 	stix->_true_class        = stix_moveoop (stix, stix->_true_class);
 	stix->_false_class       = stix_moveoop (stix, stix->_false_class);
diff --git a/stix/lib/ignite.c b/stix/lib/ignite.c
index 7c29209..4bd7aee 100644
--- a/stix/lib/ignite.c
+++ b/stix/lib/ignite.c
@@ -122,6 +122,7 @@ static int ignite_1 (stix_t* stix)
 	stix->_symbol            = alloc_kernel_class (stix, 0, STIX_CLASS_SPEC_MAKE(0, 1, STIX_OBJ_TYPE_CHAR));
 	stix->_symbol_set        = alloc_kernel_class (stix, 0, STIX_CLASS_SPEC_MAKE(STIX_SET_NAMED_INSTVARS, 0, STIX_OBJ_TYPE_OOP));
 	stix->_system_dictionary = alloc_kernel_class (stix, 0, STIX_CLASS_SPEC_MAKE(STIX_SET_NAMED_INSTVARS, 0, STIX_OBJ_TYPE_OOP));
+	stix->_method_dictionary = alloc_kernel_class (stix, 0, STIX_CLASS_SPEC_MAKE(STIX_SET_NAMED_INSTVARS, 0, STIX_OBJ_TYPE_OOP));
 	stix->_association       = alloc_kernel_class (stix, 0, STIX_CLASS_SPEC_MAKE(STIX_ASSOCIATION_NAMED_INSTVARS, 0, STIX_OBJ_TYPE_OOP));
 	stix->_true_class        = alloc_kernel_class (stix, 0, STIX_CLASS_SPEC_MAKE(0, 0, STIX_OBJ_TYPE_OOP));
 	stix->_false_class       = alloc_kernel_class (stix, 0, STIX_CLASS_SPEC_MAKE(0, 0, STIX_OBJ_TYPE_OOP));
@@ -134,8 +135,8 @@ static int ignite_1 (stix_t* stix)
 
 	if (!stix->_stix              || !stix->_nil_object        || !stix->_object ||
 	    !stix->_array             || !stix->_string            || !stix->_symbol ||
-	    !stix->_symbol_set        || !stix->_system_dictionary || !stix->_association   || 
-	    !stix->_true_class        || !stix->_false_class       ||
+	    !stix->_symbol_set        || !stix->_system_dictionary || !stix->_method_dictionary ||
+	    !stix->_association       || !stix->_true_class        || !stix->_false_class       ||
 	    !stix->_character         || !stix->_small_integer) return -1;
 	STIX_OBJ_SET_CLASS (stix->_nil, stix->_nil_object);
 	return 0;
@@ -143,7 +144,7 @@ static int ignite_1 (stix_t* stix)
 
 static int ignite_2 (stix_t* stix)
 {
-	stix_oop_oop_t arr;
+	stix_oop_t tmp;
 
 	/* Create 'true' and 'false objects */
 	stix->_true = stix_instantiate (stix, stix->_true_class, STIX_NULL, 0);
@@ -151,8 +152,9 @@ static int ignite_2 (stix_t* stix)
 	if (!stix->_true || !stix->_false) return -1;
 
 	/* Create the symbol table */
-	stix->symtab = (stix_oop_set_t)stix_instantiate (stix, stix->_symbol_set, STIX_NULL, 0);
-	if (!stix->symtab) return -1;
+	tmp = stix_instantiate (stix, stix->_symbol_set, STIX_NULL, 0);
+	if (!tmp) return -1;
+	stix->symtab = (stix_oop_set_t)tmp;
 
 	stix->symtab->tally = STIX_OOP_FROM_SMINT(0);
 	/* It's important to assign the result of stix_instantiate() to a temporary
@@ -160,18 +162,19 @@ static int ignite_2 (stix_t* stix)
 	 * The pointer 'stix->symtab; can change in stix_instantiate() and the 
 	 * target address of assignment may get set before stix_instantiate()
 	 * is called. */
-	arr = (stix_oop_oop_t)stix_instantiate (stix, stix->_array, STIX_NULL, stix->option.dfl_symtab_size);
-	if (!arr) return -1;
-	stix->symtab->bucket = arr;
+	tmp = stix_instantiate (stix, stix->_array, STIX_NULL, stix->option.dfl_symtab_size);
+	if (!tmp) return -1;
+	stix->symtab->bucket = (stix_oop_oop_t)tmp;
 
 	/* Create the system dictionary */
-	stix->sysdic = (stix_oop_set_t)stix_instantiate (stix, stix->_system_dictionary, STIX_NULL, 0);
-	if (!stix->sysdic) return -1;
+	tmp = stix_instantiate (stix, stix->_system_dictionary, STIX_NULL, 0);
+	if (!tmp) return -1;
+	stix->sysdic = (stix_oop_set_t)tmp;
 
 	stix->sysdic->tally = STIX_OOP_FROM_SMINT(0);
-	arr = (stix_oop_oop_t)stix_instantiate (stix, stix->_array, STIX_NULL, stix->option.dfl_sysdic_size);
-	if (!arr) return -1;
-	stix->sysdic->bucket = arr;
+	tmp = stix_instantiate (stix, stix->_array, STIX_NULL, stix->option.dfl_sysdic_size);
+	if (!tmp) return -1;
+	stix->sysdic->bucket = (stix_oop_oop_t)tmp;
 
 	/* Export the system dictionary via the first class variable of the Stix class */
 	((stix_oop_class_t)stix->_stix)->classvar[0] = (stix_oop_t)stix->sysdic;
@@ -197,6 +200,7 @@ static int ignite_3 (stix_t* stix)
 		{  5, { 'A','r','r','a','y'                                              } },
 		{  9, { 'S','y','m','b','o','l','S','e','t'                              } },
 		{ 16, { 'S','y','s','t','e','m','D','i','c','t','i','o','n','a','r','y'  } },
+		{ 16, { 'M','e','t','h','o','d','D','i','c','t','i','o','n','a','r','y'  } },
 		{ 11, { 'A','s','s','o','c','i','a','t','i','o','n'                      } },
 		{  4, { 'T','r','u','e'                                                  } },
 		{  5, { 'F','a','l','s','e'                                              } },
diff --git a/stix/lib/main.c b/stix/lib/main.c
index 36b1cfa..256fce7 100644
--- a/stix/lib/main.c
+++ b/stix/lib/main.c
@@ -255,11 +255,13 @@ int main (int argc, char* argv[])
 		(unsigned long int)STIX_MAX_CLASSINSTVARS);
 
 
+#if !defined(macintosh)
 	if (argc != 2)
 	{
 		fprintf (stderr, "Usage: %s filename\n", argv[0]);
 		return -1;
 	}
+#endif
 
 	{
 	stix_oow_t x;
@@ -280,9 +282,12 @@ int main (int argc, char* argv[])
 	}
 
 	{
-		stix_oow_t symtab_size = 5000;
-		stix_setoption (stix, STIX_DFL_SYMTAB_SIZE, &symtab_size);
-		stix_setoption (stix, STIX_DFL_SYSDIC_SIZE, &symtab_size);
+		stix_oow_t tab_size;
+
+		tab_size = 5000;
+		stix_setoption (stix, STIX_DFL_SYMTAB_SIZE, &tab_size);
+		tab_size = 5000;
+		stix_setoption (stix, STIX_DFL_SYSDIC_SIZE, &tab_size);
 	}
 
 	if (stix_ignite(stix) <= -1)
@@ -316,7 +321,11 @@ printf ("%p\n", a);
 }
 
 	xtn = stix_getxtn (stix);
+#if !defined(macintosh)
 	xtn->source_path = argv[1];
+#else
+	xtn->source_path = "test.st";
+#endif
 	if (stix_compile (stix, input_handler) <= -1)
 	{
 		if (stix->errnum == STIX_ESYNTAX)
diff --git a/stix/lib/obj.c b/stix/lib/obj.c
index 4ae4141..e77ed00 100644
--- a/stix/lib/obj.c
+++ b/stix/lib/obj.c
@@ -121,7 +121,6 @@ stix_oop_t stix_alloccharobj (stix_t* stix, const stix_uch_t* ptr, stix_oow_t le
 
 stix_oop_t stix_allocbyteobj (stix_t* stix, const stix_byte_t* ptr, stix_oow_t len)
 {
-
 	return alloc_numeric_array (stix, ptr, len, STIX_OBJ_TYPE_BYTE, STIX_SIZEOF(stix_byte_t), 0);
 }
 
diff --git a/stix/lib/stix-prv.h b/stix/lib/stix-prv.h
index 822dcd8..8e649b1 100644
--- a/stix/lib/stix-prv.h
+++ b/stix/lib/stix-prv.h
@@ -515,6 +515,7 @@ struct stix_compiler_t
 
 		stix_oop_class_t self_oop;
 		stix_oop_t super_oop; /* this may be nil. so the type is stix_oop_t */
+		stix_oop_set_t mthdic_oop;
 
 		stix_ucs_t name;
 		stix_size_t name_capa;
@@ -655,26 +656,20 @@ stix_oop_t stix_allocoopobj (
 
 stix_oop_t stix_alloccharobj (
 	stix_t*            stix,
-	const stix_uch_t* ptr,
+	const stix_uch_t*  ptr,
 	stix_oow_t         len
 );
 
-stix_oop_t stix_allocuint8obj (
-	stix_t*             stix,
-	const stix_uint8_t* ptr,
-	stix_oow_t          len
+stix_oop_t stix_allocbyteobj (
+	stix_t*            stix,
+	const stix_byte_t* ptr,
+	stix_oow_t         len
 );
 
-stix_oop_t stix_allocuint16obj (
-	stix_t*              stix,
-	const stix_uint16_t* ptr,
-	stix_oow_t           len
-);
-
-stix_oop_t stix_allocuint32obj (
-	stix_t*              stix,
-	const stix_uint32_t* ptr,
-	stix_oow_t           len
+stix_oop_t stix_allocwordobj (
+	stix_t*            stix,
+	const stix_oow_t*  ptr,
+	stix_oow_t         len
 );
 
 /* ========================================================================= */
@@ -717,6 +712,31 @@ stix_oop_t stix_lookupsysdic (
 	const stix_ucs_t* name
 );
 
+stix_oop_t stix_putatdic (
+	stix_t*        stix,
+	stix_oop_set_t dic,
+	stix_oop_t     key,
+	stix_oop_t     value
+);
+
+stix_oop_t stix_getatdic (
+	stix_t*        stix,
+	stix_oop_set_t dic,
+	stix_oop_t     key
+);
+
+stix_oop_t stix_lookupdic (
+	stix_t*           stix,
+	stix_oop_set_t    dic,
+	const stix_ucs_t* name
+);
+
+stix_oop_set_t stix_makedic (
+	stix_t*    stix,
+	stix_oop_t cls,
+	stix_oow_t size
+);
+
 /* ========================================================================= */
 /* utf8.c                                                                    */
 /* ========================================================================= */
diff --git a/stix/lib/stix.h b/stix/lib/stix.h
index f6a59e7..3d791de 100644
--- a/stix/lib/stix.h
+++ b/stix/lib/stix.h
@@ -620,6 +620,7 @@ struct stix_t
 	stix_oop_t _array; /* Array */
 	stix_oop_t _symbol_set; /* SymbolSet */
 	stix_oop_t _system_dictionary; /* SystemDictionary */
+	stix_oop_t _method_dictionary; /* MethodDictionary */
 	stix_oop_t _association; /* Association */
 	stix_oop_t _true_class; /* True */
 	stix_oop_t _false_class; /* False */
@@ -630,7 +631,7 @@ struct stix_t
 	stix_oop_set_t symtab; /* system-wide symbol table. instance of SymbolSet */
 	stix_oop_set_t sysdic; /* system dictionary. instance of SystemDictionary */
 
-	stix_oop_t* tmp_stack[100]; /* stack for temporaries */
+	stix_oop_t* tmp_stack[256]; /* stack for temporaries */
 	stix_oow_t tmp_count;
 
 #if defined(STIX_INCLUDE_COMPILER)
diff --git a/stix/lib/sym.c b/stix/lib/sym.c
index d5c3fc1..71eeb69 100644
--- a/stix/lib/sym.c
+++ b/stix/lib/sym.c
@@ -26,35 +26,36 @@
 
 #include "stix-prv.h"
 
-static stix_oop_oop_t expand_bucket (stix_t* stix, stix_oop_oop_t old_bucket)
+static stix_oop_oop_t expand_bucket (stix_t* stix, stix_oop_oop_t oldbuc)
 {
-	stix_oop_oop_t new_bucket;
+	stix_oop_oop_t newbuc;
 	stix_oow_t oldsz, newsz, index;
 	stix_oop_char_t symbol;
 
 /* TODO: derive a better growth size */
-	new_bucket = (stix_oop_oop_t)stix_instantiate (stix, stix->_array, STIX_NULL, STIX_OBJ_GET_SIZE(old_bucket) * 2); 
-	if (!new_bucket) return STIX_NULL;
+	stix_pushtmp (stix, (stix_oop_t*)&oldbuc);
+	newbuc = (stix_oop_oop_t)stix_instantiate (stix, stix->_array, STIX_NULL, STIX_OBJ_GET_SIZE(oldbuc) * 2); 
+	stix_poptmp (stix);
+	if (!newbuc) return STIX_NULL;
 
-	oldsz = STIX_OBJ_GET_SIZE(old_bucket);
-	newsz = STIX_OBJ_GET_SIZE(new_bucket);
+	oldsz = STIX_OBJ_GET_SIZE(oldbuc);
+	newsz = STIX_OBJ_GET_SIZE(newbuc);
 
 	while (oldsz > 0)
 	{
-		symbol = (stix_oop_char_t)old_bucket->slot[--oldsz];
+		symbol = (stix_oop_char_t)oldbuc->slot[--oldsz];
 		if ((stix_oop_t)symbol != stix->_nil)
 		{
 			STIX_ASSERT (STIX_CLASSOF(stix,symbol) == stix->_symbol);
 			/*STIX_ASSERT (sym->size > 0);*/
 
 			index = stix_hashchars(symbol->slot, STIX_OBJ_GET_SIZE(symbol)) % newsz;
-			while (new_bucket->slot[index] != stix->_nil) 
-				index = (index + 1) % newsz;
-			new_bucket->slot[index] = (stix_oop_t)symbol;
+			while (newbuc->slot[index] != stix->_nil) index = (index + 1) % newsz;
+			newbuc->slot[index] = (stix_oop_t)symbol;
 		}
 	}
 
-	return new_bucket;
+	return newbuc;
 }
 
 static stix_oop_t find_or_make_symbol (stix_t* stix, const stix_uch_t* ptr, stix_oow_t len, int create)
diff --git a/stix/lib/syntax.txt b/stix/lib/syntax.txt
new file mode 100644
index 0000000..ebf4f1f
--- /dev/null
+++ b/stix/lib/syntax.txt
@@ -0,0 +1,62 @@
+
+literal := number-literal | string-literal | character-literal | symbol-literal
+
+string-literal := single-quote string-character* single-quote
+string-character := normal-character | (single-quote single-quote)
+single-quote := "'"
+normal-character := character-except-single-quote
+
+character-literal := "$" character
+character := normal-character | "'"
+
+symbol-literal := "#" symbol-body
+symbol-body := identifier | keyword+ | binary-selector | string
+
+unary-selector := identifier
+binary-selector := binary-selector-character+
+binary-selector-character := "+" | "/" | "\" |  ...
+selector-argument := identifier
+
+identifier := alpha-char (alpha-char | digit-char)*
+keyword := identifier ":"
+
+
+
+class-definition := #class class-modifier? "{" class-body "}"
+class-modifier := "(" (#byte | #character | #word | #pointer)? ")"
+class-body := variable-definition* method-definition*
+ 
+variable-definition := (#dcl | #declare) variable-modifier? variable-list "."
+variable-modifier := "(" (#class | #classinst)? ")"
+variable-list := identifier*
+
+method-definition := (#mth | #method) method-modifier? method-actual-definition
+method-modifier := "(" (#class | #instance) ")"
+method-actual-definition := method-name "{" method-tempraries? method-primitive? method-statements* "}"
+
+method-name := unary-method-name | binary-method-name | keyword-method-name
+unary-method-name := unary-selector
+binary-method-name := binary-selector selector-argument
+keyword-method-name := (keyword selector-argument)+
+
+method-temporaries := "|" variable-list "|"
+method-primitive := "<"  "primitive:" integer ">"
+method-statements := method-statement ("." | ("." method-statements))*
+method-statement := method-return | method-expression
+method-return := "^" method-expression
+
+
+method-expression := assignment-expression | basic-expression
+assignment-expression := identifier ":=" method-expression
+basic-expression := expression-primary (message cascaded-message)?
+
+----------------------------------------------------------
+
+#include '....'.
+
+#class Test(Object) 
+{
+}
+
+#main
+