//Clone from another context
Context* Context_new_from(Context* source_context) {
Context* new_ctx = Context_new(source_context->width, source_context->height, source_context->buffer);
new_ctx->finalize_handler = source_context->finalize_handler;
return new_ctx;
}
WrapWindow::WrapWindow(BRect frame, BApplication* in_app) : BWindow(frame, "Patch", B_TITLED_WINDOW, 0) {
media_raw_audio_format req_format = {44100.0, 2, media_raw_audio_format::B_AUDIO_FLOAT, B_MEDIA_LITTLE_ENDIAN, 4096};
mouse_handler = (MouseCallback_handler)0;
resize_handler = (ResizeCallback_handler)0;
mouse_obj = (Object*)0;
resize_obj = (Object*)0;
ah_list = List_new();
draw_view = new WrapView(this, Bounds());
AddChild(draw_view);
BRect bounds = Bounds();
screen_buffer = new BBitmap(bounds, B_RGB32);
context = Context_new((uint16_t)(bounds.right - bounds.left + 1),
(uint16_t)(bounds.bottom - bounds.top + 1),
(uint32_t*)screen_buffer->Bits());
Show();
Lock();
draw_view->GetMouse(&mouse_point, &mouse_buttons);
Unlock();
app = in_app;
draw_thread_id = spawn_thread(DrawingThread, "drawing_thread", B_NORMAL_PRIORITY, (void*)this);
resume_thread(draw_thread_id);
ah_player = new BSoundPlayer(&req_format, "ah_player", doPullSamples, NULL, ah_list);
ah_player->Start();
ah_player->SetHasData(true);
global_win = this;
}
int main(int argc, char* argv[]) {
Context* ctx = Context_new();
register_math(ctx);
for(nextLine(); !feof(stdin); nextLine()) {
/* Strip trailing newline */
char* end;
if((end = strchr(line, '\n')) != NULL) *end = '\0';
if((end = strchr(line, '\r')) != NULL) *end = '\0';
if((end = strchr(line, '#')) != NULL) *end = '\0';
const char* p = line;
/* Get verbosity level */
int verbose = 0;
while(p[0] == '?') {
verbose++;
p++;
}
trimSpaces(&p);
if(*p == '~') {
/* Variable deletion */
p++;
char* name = nextToken(&p);
if(name == NULL) {
/* '~~~' means reset interpreter */
if(p[0] == '~' && p[1] == '~') {
/* Wipe out context */
Context_free(ctx);
ctx = Context_new();
register_math(ctx);
continue;
}
if(*p == '\0') {
RAISE(earlyEnd());
continue;
}
RAISE(badChar(*p));
continue;
}
Context_del(ctx, name);
free(name);
continue;
}
/* Parse the user's input */
Expression* expr = Expression_parse(&p);
/* Print expression depending on verbosity */
Expression_print(expr, ctx, verbose);
/* Error? Go to next loop iteration */
if(Expression_didError(expr)) {
Expression_free(expr);
continue;
}
/* Evaluate expression */
Value* result = Expression_eval(expr, ctx);
Expression_free(expr);
/* Print result */
Value_print(result, ctx);
Value_free(result);
}
Context_free(ctx);
return 0;
}
