+usertype support; *polished code; *polished document

HISTORY

@@ -1,12 +1,17 @@
+Apr. 15 2015
+Added mb_pop_usertype, mb_push_usertype to support user defined type
+Polished code
+Polished document
+
 Apr. 13 2015
 Added mixed integer/float array support
 Added warning prompt when passing strings to maths functions
 Fixed a memory leak when storing strings in an array
-Polisned the interpreter commands
+Polished the interpreter commands
 
 Apr. 11 2015
 Moved struct mb_interpreter_t from my_basic.h to my_basic.c
-Added an mb_has_argument interface to tell whether there is any more argument
+Added an mb_has_arg interface to tell whether there is any more argument
 Added an MB_ENABLE_SOURCE_TRACE macro to enable or disable source tracing
 Disposed parsing context at runtime to reduce memory occupation
 
@@ -18,7 +23,7 @@ Fixed a crash bug when a script begins with a meaningless negtive number
 
 Mar. 25 2015
 Changed _strupr macro to mb_strupr function
-Added an mb_strdup function
+Added an mb_memdup function
 Fixed an intermediate value disposing more than once bug
 
 Dec. 17 2014

core/my_basic.h

@@ -34,14 +34,22 @@ extern "C" {
 #	define MBAPI
 #endif /* MBAPI */
 
-#ifndef MB_ENABLE_SOURCE_TRACE
-#   define MB_ENABLE_SOURCE_TRACE
-#endif /* MB_ENABLE_SOURCE_TRACE */
-
 #ifndef MB_SIMPLE_ARRAY
 #	define MB_SIMPLE_ARRAY
 #endif /* MB_SIMPLE_ARRAY */
 
+#ifndef MB_MAX_DIMENSION_COUNT
+#	define MB_MAX_DIMENSION_COUNT 4
+#endif /* MB_MAX_DIMENSION_COUNT */
+
+#ifndef MB_ENABLE_ALLOC_STAT
+#	define MB_ENABLE_ALLOC_STAT
+#endif /* MB_ENABLE_ALLOC_STAT */
+
+#ifndef MB_ENABLE_SOURCE_TRACE
+#   define MB_ENABLE_SOURCE_TRACE
+#endif /* MB_ENABLE_SOURCE_TRACE */
+
 #ifndef MB_COMPACT_MODE
 #	define MB_COMPACT_MODE
 #endif /* MB_COMPACT_MODE */
@@ -76,9 +84,9 @@ extern "C" {
 #			define _strcmpi stricmp
 #		elif defined __POCC__
 #			define _strcmpi _stricmp
-#		else /* __BORLANDC__*/
+#		else
 #			define _strcmpi strcasecmp
-#		endif /* __BORLANDC__ */
+#		endif
 #	endif /* _strcmpi */
 #endif /* _MSC_VER */
 
@@ -188,13 +196,15 @@ typedef enum mb_data_e {
 	MB_DT_NIL = -1,
 	MB_DT_INT = 0,
 	MB_DT_REAL,
-	MB_DT_STRING
+	MB_DT_STRING,
+	MB_DT_USERTYPE
 } mb_data_e;
 
 typedef union mb_value_u {
 	int_t integer;
 	real_t float_point;
 	char* string;
+	void* usertype;
 } mb_value_u;
 
 typedef struct mb_value_t {
@@ -228,10 +238,12 @@ MBAPI int mb_has_arg(struct mb_interpreter_t* s, void** l);
 MBAPI int mb_pop_int(struct mb_interpreter_t* s, void** l, int_t* val);
 MBAPI int mb_pop_real(struct mb_interpreter_t* s, void** l, real_t* val);
 MBAPI int mb_pop_string(struct mb_interpreter_t* s, void** l, char** val);
+MBAPI int mb_pop_usertype(struct mb_interpreter_t* s, void** l, void** val);
 MBAPI int mb_pop_value(struct mb_interpreter_t* s, void** l, mb_value_t* val);
 MBAPI int mb_push_int(struct mb_interpreter_t* s, void** l, int_t val);
 MBAPI int mb_push_real(struct mb_interpreter_t* s, void** l, real_t val);
 MBAPI int mb_push_string(struct mb_interpreter_t* s, void** l, char* val);
+MBAPI int mb_push_usertype(struct mb_interpreter_t* s, void** l, void* val);
 MBAPI int mb_push_value(struct mb_interpreter_t* s, void** l, mb_value_t val);
 
 MBAPI int mb_load_string(struct mb_interpreter_t* s, const char* l);
@@ -247,7 +259,7 @@ MBAPI int mb_set_inputer(struct mb_interpreter_t* s, mb_input_func_t p);
 
 MBAPI int mb_gets(char* buf, int s);
 
-MBAPI char* mb_strdup(char* val, unsigned size);
+MBAPI char* mb_memdup(char* val, unsigned size);
 
 #ifdef MB_COMPACT_MODE
 #	pragma pack()

resource/my_basic.rc

@@ -62,8 +62,8 @@ IDI_ICON_MAIN           ICON                    "icon.ico"
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,0,0,49
- PRODUCTVERSION 1,0,0,49
+ FILEVERSION 1,0,0,50
+ PRODUCTVERSION 1,0,0,50
  FILEFLAGSMASK 0x17L
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -81,13 +81,13 @@ BEGIN
             VALUE "Comments", "MY-BASIC"
             VALUE "CompanyName", "W. Renxin"
             VALUE "FileDescription", "MY-BASIC interpreter"
-            VALUE "FileVersion", "1, 0, 0, 49"
+            VALUE "FileVersion", "1, 0, 0, 50"
             VALUE "InternalName", "my_basic"
             VALUE "LegalCopyright", "Copyright (C) 2011 - 2015 W. Renxin"
             VALUE "LegalTrademarks", "MY-BASIC"
             VALUE "OriginalFilename", "my_basic.exe"
             VALUE "ProductName", "MY-BASIC"
-            VALUE "ProductVersion", "1, 0, 0, 49"
+            VALUE "ProductVersion", "1, 0, 0, 50"
         END
     END
     BLOCK "VarFileInfo"

shell/main.c

@@ -119,10 +119,9 @@ static char* _get_code(_code_line_t* code) {
 	result[0] = '\0';
 	for(i = 0; i < code->count; ++i) {
 		result = strcat(result, code->lines[i]);
-		if(i != code->count - 1) {
+		if(i != code->count - 1)
 			result = strcat(result, "\n");
 	}
-	}
 
 	return result;
 }
@@ -131,18 +130,17 @@ static void _set_code(_code_line_t* code, char* txt) {
 	char* cursor = 0;
 	char _c = '\0';
 	mb_assert(code);
-	if(!txt) {
+	if(!txt)
 		return;
-	}
+
 	_clear_code(code);
 	cursor = txt;
 	do {
 		_c = *cursor;
 		if(_c == '\r' || _c == '\n' || _c == '\0') {
 			cursor[0] = '\0';
-			if(_c == '\r' && *(cursor + 1) == '\n') {
+			if(_c == '\r' && *(cursor + 1) == '\n')
 				++cursor;
-			}
 			_append_line(code, txt);
 			txt = cursor + 1;
 		}
@@ -272,9 +270,9 @@ static void _list_program(const char* sn, const char* cn) {
 		--lsn;
 		e = lcn ? lsn + lcn : c->count;
 		for(i = lsn; i < e; ++i) {
-			if(i >= c->count) {
+			if(i >= c->count)
 				break;
-			}
+
 			printf("%d]%s\n", i + 1, c->lines[i]);
 		}
 	}
@@ -434,9 +432,8 @@ int main(int argc, char* argv[]) {
 			status = _do_line();
 		} while(_NO_END(status));
 	} else if(argc == 2) {
-		if(mb_load_file(bas, argv[1]) == MB_FUNC_OK) {
+		if(mb_load_file(bas, argv[1]) == MB_FUNC_OK)
 			mb_run(bas);
-		}
 	} else {
 		printf("Unknown arguments\n");
 		_show_tip();