quinn-os/my-basic
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*polished code.

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This commit is contained in:
paladin-t 2016-03-07 11:54:33 +08:00
parent 85d71edc68
commit d3ecd6ced1
1 changed files with 55 additions and 42 deletions
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31
shell/main.c
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@ -403,7 +403,9 @@ static _code_line_t* _code(void) {
}
static _code_line_t* _create_code(void) {
_code_line_t* result = (_code_line_t*)malloc(sizeof(_code_line_t));
_code_line_t* result = 0;
result = (_code_line_t*)malloc(sizeof(_code_line_t));
result->count = 0;
result->size = _LINE_INC_STEP;
result->lines = (char**)malloc(sizeof(char*) * result->size);
@ -560,9 +562,14 @@ static void _destroy_importing_directories(void) {
}
static _importing_dirs_t* _set_importing_directories(char* dirs) {
if(dirs) {
char* end = dirs + strlen(dirs);
_importing_dirs_t* result = (_importing_dirs_t*)malloc(sizeof(_importing_dirs_t));
_importing_dirs_t* result = 0;
char* end = 0;
if(!dirs)
return result;
end = dirs + strlen(dirs);
result = (_importing_dirs_t*)malloc(sizeof(_importing_dirs_t));
result->count = 0;
result->size = _LINE_INC_STEP;
result->dirs = (char**)malloc(sizeof(char*) * result->size);
@ -600,9 +607,6 @@ static _importing_dirs_t* _set_importing_directories(char* dirs) {
importing_dirs = result;
return result;
}
return 0;
}
static bool_t _try_import(struct mb_interpreter_t* s, const char* p) {
@ -785,7 +789,11 @@ static void _alter_program(const char* no) {
}
static void _load_program(const char* path) {
char* txt = _load_file(path);
char* txt = 0;
mb_assert(path);
txt = _load_file(path);
if(txt) {
_new_program();
_set_code(txt);
@ -801,7 +809,11 @@ static void _load_program(const char* path) {
}
static void _save_program(const char* path) {
char* txt = _get_code();
char* txt = 0;
mb_assert(path);
txt = _get_code();
if(!_save_file(path, txt)) {
_printf("Cannot save file \"%s\".\n", path);
} else {
@ -824,6 +836,7 @@ static void _kill_program(const char* path) {
static void _list_directory(const char* path) {
char line[_MAX_LINE_LENGTH];
#ifdef MB_OS_WIN
if(path && *path) sprintf(line, "dir %s", path);
else sprintf(line, "dir");