Fix everything except for casts
This commit is contained in:
parent
8396aa4613
commit
c466b8eb2a
@ -5,5 +5,7 @@ fn main() -> u32 {
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let value = 0b110;
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let other = 0o17;
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return value * other + 7 * -value;
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let b = [5.0, 0.0 -5.0];
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return value -1;
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}
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469
foo.reid
Normal file
469
foo.reid
Normal file
@ -0,0 +1,469 @@
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import std::concat_strings;
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import std::print;
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import std::from_str;
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import std::free_string;
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import std::add_num_to_str;
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///////////////////
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/// SDL externs ///
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///////////////////
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// Helper struct for stack allocated const sized strings, because structs are
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// easier to create uninit than arrays.
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struct SDL_Window {}
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struct SDL_Renderer {}
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struct SDL_Texture {}
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struct SDL_Event { type: u32, reserved: [u8; 124] }
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struct SDL_FRect { x: f32, y: f32, w: f32, h: f32 }
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struct SDL_Rect { x: i32, y: i32, w: i32, h: i32 }
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extern fn SDL_malloc(size: u64) -> *u8;
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extern fn SDL_Init(flags: u32) -> bool;
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extern fn SDL_Quit();
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extern fn SDL_CreateWindowAndRenderer(title: *char, width: i32, height: i32, flags: i32,
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window_out: &mut *SDL_Window, renderer_out: &mut *SDL_Renderer) -> bool;
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extern fn SDL_Delay(ms: u32);
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extern fn SDL_SetRenderDrawColor(renderer: *SDL_Renderer, r: u8, g: u8, b: u8, a: u8);
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extern fn SDL_RenderClear(renderer: *SDL_Renderer);
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extern fn SDL_RenderPresent(renderer: *SDL_Renderer);
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extern fn SDL_HasEvent(event_type: u32) -> bool;
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extern fn SDL_PollEvent(event: &mut SDL_Event) -> bool;
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extern fn SDL_PumpEvents();
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extern fn SDL_FlushEvents(min_type: u32, max_type: u32);
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extern fn SDL_GetTicks() -> u64;
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extern fn SDL_SetWindowTitle(window: *SDL_Window, title: *char) -> bool;
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extern fn SDL_CreateTexture(renderer: *SDL_Renderer,
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pixel_format: u32, texture_access: u32, width: u32, height: u32) -> *SDL_Texture;
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extern fn SDL_RenderTexture(renderer: *SDL_Renderer,
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texture: *SDL_Texture, srcfrect: &SDL_FRect, dstfrect: &SDL_FRect) -> bool;
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extern fn SDL_UpdateTexture(texture: *SDL_Texture, rect: &SDL_Rect, pixels: *u8, pitch: u32) -> bool;
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extern fn SDL_GetError() -> *char;
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extern fn SDL_GetWindowSize(window: *SDL_Window, w: &mut i32, h: &mut i32) -> bool;
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extern fn SDL_rand(max_exclusive: u32) -> u32;
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extern fn SDL_SetTextureScaleMode(texture: *SDL_Texture, scale_mode: i32) -> bool;
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extern fn SDL_sqrtf(value: f32) -> f32;
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extern fn SDL_randf() -> f32;
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extern fn SDL_powf(value: f32, power: f32) -> f32;
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// SDL error reporting helper
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fn print_sdl_error(context: *char) {
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let mut message = from_str(context);
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let delim = from_str(": ");
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concat_strings(&mut message, delim);
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free_string(&delim);
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let error_msg = from_str(SDL_GetError());
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concat_strings(&mut message, error_msg);
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free_string(&error_msg);
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print(message);
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free_string(&message);
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}
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/////////////////////////////////
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/// Main setup and frame loop ///
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/////////////////////////////////
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struct GameState {
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renderer: *SDL_Renderer,
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window: *SDL_Window,
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render_texture: *SDL_Texture,
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frame_counter: u32,
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last_fps_reset: u64,
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pixels: *u8,
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pixels_w: u32,
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pixels_h: u32,
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pixels_bpp: u32,
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}
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fn main() -> i32 {
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let SDL_INIT_VIDEO = 32;
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let SDL_WINDOW_RESIZABLE = 32;
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let SDL_PIXELFORMAT_RGBA8888 = 373694468;
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let SDL_PIXELFORMAT_ABGR8888 = 376840196;
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let SDL_PIXELFORMAT_RGB24 = 386930691;
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let SDL_PIXELFORMAT_BGR24 = 390076419;
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let SDL_PIXELFORMAT_RGB96_FLOAT = 454057996;
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let SDL_PIXELFORMAT_BGR96_FLOAT = 457203724;
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let SDL_TEXTUREACCESS_STREAMING = 1;
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let SDL_SCALEMODE_NEAREST = 0;
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let SDL_SCALEMODE_LINEAR = 1;
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let SDL_SCALEMODE_PIXELART = 2;
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let init_success = SDL_Init(SDL_INIT_VIDEO);
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if init_success == false {
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print_sdl_error("SDL init failed");
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return 1;
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}
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let mut window = SDL_malloc(1) as *SDL_Window;
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let mut renderer = SDL_malloc(1) as *SDL_Renderer;
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let gfx_init_success = SDL_CreateWindowAndRenderer(
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"graphical reid program", 640, 480, SDL_WINDOW_RESIZABLE,
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&mut window, &mut renderer
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);
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if gfx_init_success == false {
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print_sdl_error("SDL renderer and window creation failed");
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return 1;
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}
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let width = 320;
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let height = 240;
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let bpp = 4;
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let render_texture = SDL_CreateTexture(renderer,
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SDL_PIXELFORMAT_ABGR8888, SDL_TEXTUREACCESS_STREAMING, width, height);
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SDL_SetTextureScaleMode(render_texture, SDL_SCALEMODE_NEAREST);
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let pixels_len = (width * height * bpp) as u64;
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let pixels = SDL_malloc(pixels_len);
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let mut game_state = GameState {
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renderer: renderer,
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window: window,
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render_texture: render_texture,
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frame_counter: 0,
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last_fps_reset: 0,
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pixels: pixels,
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pixels_w: width,
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pixels_h: height,
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pixels_bpp: bpp,
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};
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while frame_loop(&mut game_state) {}
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SDL_Quit();
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return 0;
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}
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fn frame_loop(game_state: &mut GameState) -> bool {
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let mut event = SDL_Event {};
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while (SDL_PollEvent(&mut event)) {
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if event.type == 256 { // SDL_EVENT_QUIT
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return false;
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}
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}
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let mut screen_width = 0;
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let mut screen_height = 0;
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SDL_GetWindowSize(*game_state.window, &mut screen_width, &mut screen_height);
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let renderer = *game_state.renderer;
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SDL_SetRenderDrawColor(renderer, 0, 50, 90, 255);
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SDL_RenderClear(renderer);
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let w = *game_state.pixels_w;
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let h = *game_state.pixels_h;
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let bpp = *game_state.pixels_bpp;
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for y in 0..h {
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for x in 0..w {
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render_pixel(x, y, game_state);
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}
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}
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let texture_area = SDL_Rect { x: 0, y: 0, w: w as i32, h: h as i32 };
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if SDL_UpdateTexture(*game_state.render_texture, &texture_area, *game_state.pixels as *u8, bpp * w) == false {
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print_sdl_error("UpdateTexture error");
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}
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let src = SDL_FRect { x: 0.0, y: 0.0, w: w as f32, h: h as f32 };
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let aspect_ratio = src.w / src.h;
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let scaled_width = screen_height as f32 * aspect_ratio;
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let dst = SDL_FRect { x: (screen_width as f32 - scaled_width) / 2.0, y: 0.0, w: scaled_width, h: screen_height as f32 };
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if SDL_RenderTexture(renderer, *game_state.render_texture, &src, &dst) == false {
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print_sdl_error("RenderTexture error");
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}
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SDL_RenderPresent(renderer);
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SDL_Delay(1);
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*game_state.frame_counter = *game_state.frame_counter + 1;
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let t = SDL_GetTicks();
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if (t - *game_state.last_fps_reset) >= 1000 {
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let mut title = from_str("graphical reid program ");
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add_num_to_str(&mut title, *game_state.frame_counter as u64);
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let fps_unit = from_str(" fps");
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concat_strings(&mut title, fps_unit);
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free_string(&fps_unit);
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SDL_SetWindowTitle(*game_state.window, title.inner);
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free_string(&title);
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*game_state.frame_counter = 0;
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*game_state.last_fps_reset = t;
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}
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return true;
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}
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fn render_pixel(x: u32, y: u32, game_state: &mut GameState) {
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let w = *game_state.pixels_w;
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let h = *game_state.pixels_h;
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let bpp = *game_state.pixels_bpp;
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let samples = 1;
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let old_sample_weight = 0.75;
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let new_sample_weight = 0.25 / samples as f32;
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let mut rgb = vec_mul_scalar(old_sample_weight, [
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srgb_to_linear(*game_state.pixels[(x + y * w) * bpp + 0]),
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srgb_to_linear(*game_state.pixels[(x + y * w) * bpp + 1]),
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srgb_to_linear(*game_state.pixels[(x + y * w) * bpp + 2])
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]);
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for sample in 0..samples {
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rgb = vec_add(rgb, vec_mul_scalar(new_sample_weight, shade(x, y, *game_state.frame_counter, w, h)));
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}
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*game_state.pixels[(x + y * w) * bpp + 0] = linear_to_srgb(rgb[0]);
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*game_state.pixels[(x + y * w) * bpp + 1] = linear_to_srgb(rgb[1]);
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*game_state.pixels[(x + y * w) * bpp + 2] = linear_to_srgb(rgb[2]);
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*game_state.pixels[(x + y * w) * bpp + 3] = 255;
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}
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/////////////////
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/// Rendering ///
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/////////////////
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struct Ray {
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origin: [f32; 3],
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direction: [f32; 3],
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}
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struct Material {
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// 0 = lambertian diffuse
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// 1 = mirror
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type: u32,
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// Generally the "color" of the surface (linear factors of how much of each
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// color channel this surface does not absorb), but the idea is that the
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// type governs what this means.
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linear_color: [f32; 3],
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}
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struct Hit {
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hit: bool,
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front_face: bool,
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distance: f32,
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normal: [f32; 3],
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position: [f32; 3],
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material: Material,
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}
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struct Sphere {
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center: [f32; 3],
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radius: f32,
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material: Material,
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}
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fn shade(x: u32, y: u32, t: u32, w: u32, h: u32) -> [f32; 3] {
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let jitter_x = SDL_randf() - 0.5;
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let jitter_y = SDL_randf() - 0.5;
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let pixel_scale = 1.0 / h as f32;
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let pixel_pos = [
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(x as f32 + jitter_x) * pixel_scale,
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1.0 - (y as f32 + jitter_y) * pixel_scale,
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0.0 - 1.0
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];
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let camera_pos = [w as f32 * 0.5f32 * pixel_scale, h as f32 * 0.5f32 * pixel_scale, 0.0f32];
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let dir = vec_normalize(vec_sub(pixel_pos, camera_pos));
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let ray = Ray { origin: camera_pos, direction: dir };
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let beige_lambertian = Material { type: 0, linear_color: [0.3, 0.2, 0.1] };
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let green_lambertian = Material { type: 0, linear_color: [0.1, 0.5, 0.06] };
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let greenish_mirror = Material { type: 1, linear_color: [0.9, 1.0, 0.95] };
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let spheres = [
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// Ground
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Sphere { center: vec_sub(camera_pos, [0.0, 100001.0, 0.0]), radius: 100000.0, material: beige_lambertian },
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// Centered unit sphere
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Sphere { center: vec_add(camera_pos, [0.0, 0.0, 0.0 - 5.0]), radius: 1.0, material: green_lambertian },
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// The unit sphere on the right
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Sphere { center: vec_add(camera_pos, [2.0, 0.0, 0.0 - 6.0]), radius: 1.0, material: greenish_mirror }
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];
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return shade_world(ray, &spheres, 3);
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}
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fn shade_world(ray: Ray, spheres: &[Sphere; 3], bounces_left: u8) -> [f32; 3] {
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if bounces_left == 0 {
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return [0.0, 0.0, 0.0];
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}
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let ray_distance = 100.0;
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let mut closest_hit = Hit { hit: false, front_face: false, distance: ray_distance };
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for i in 0..3 {
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let sphere_hit = ray_sphere_closest_hit(ray, *spheres[i], [0.001, closest_hit.distance]);
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if sphere_hit.hit {
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closest_hit = sphere_hit;
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}
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}
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if closest_hit.hit {
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//return vec_mul_scalar(0.5, vec_add(closest_hit.normal, [1.0, 1.0, 1.0])); // normal
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//return vec_mul_scalar(closest_hit.distance / 10.0, [1.0, 1.0, 1.0]); // depth
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if closest_hit.material.type == 0 {
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let bounce_dir = vec_normalize(vec_add(closest_hit.normal, random_unit_vec()));
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let bounce_ray = Ray { origin: closest_hit.position, direction: bounce_dir };
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return vec_mul_componentwise(
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closest_hit.material.linear_color,
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shade_world(bounce_ray, spheres, bounces_left - 1)
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);
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} else if closest_hit.material.type == 1 {
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let bounce_dir = vec_reflect(ray.direction, closest_hit.normal);
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let bounce_ray = Ray { origin: closest_hit.position, direction: bounce_dir };
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return vec_mul_componentwise(
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closest_hit.material.linear_color,
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shade_world(bounce_ray, spheres, bounces_left - 1)
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);
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} else {
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return [1.0, 0.0, 1.0];
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}
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}
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return shade_sky(ray);
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}
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fn shade_sky(ray: Ray) -> [f32; 3] {
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let a = 0.5 * (ray.direction[1] + 1.0);
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return vec_add(
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vec_mul_scalar(1.0 - a, [1.0, 1.0, 1.0]),
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vec_mul_scalar(a, [0.5, 0.7, 1.0])
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);
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}
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// Returns the distance from the ray origin to the sphere, or -1.0 if the ray doesn't hit.
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fn ray_sphere_closest_hit(ray: Ray, sphere: Sphere, interval: [f32; 2]) -> Hit {
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let to_sphere = vec_sub(sphere.center, ray.origin);
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let h = vec_dot(ray.direction, to_sphere);
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let c = vec_length_squared(to_sphere) - sphere.radius * sphere.radius;
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let discriminant = h * h - c;
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if discriminant < 0.0 {
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return Hit { hit: false };
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}
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let discriminant_sqrt = SDL_sqrtf(discriminant);
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let mut distance = h - discriminant_sqrt;
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if interval_surrounds(interval, distance) == false {
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distance = h - discriminant_sqrt;
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if interval_surrounds(interval, distance) == false {
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return Hit { hit: false };
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}
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}
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let hit_position = vec_add(ray.origin, vec_mul_scalar(distance, ray.direction));
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let mut front_face = true;
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let mut normal = vec_normalize(vec_sub(hit_position, sphere.center));
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if vec_dot(normal, ray.direction) > 0.0 {
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normal = vec_mul_scalar(0.0 - 1.0, normal);
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front_face = false;
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}
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return Hit {
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hit: true,
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front_face: front_face,
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distance: distance,
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normal: normal,
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position: hit_position,
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material: sphere.material,
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};
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}
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//////////////////
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/// Other math ///
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//////////////////
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fn clamp(min: f32, max: f32, value: f32) -> f32 {
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if value > max {
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return max;
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}
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if value < min {
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return min;
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}
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return value;
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}
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fn abs(f: f32) -> f32 {
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if f < 0.0 {
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return f * (0.0 - 1.0);
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}
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return f;
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}
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fn vec_add(lhs: [f32; 3], rhs: [f32; 3]) -> [f32; 3] {
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return [lhs[0] + rhs[0], lhs[1] + rhs[1], lhs[2] + rhs[2]];
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}
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fn vec_sub(lhs: [f32; 3], rhs: [f32; 3]) -> [f32; 3] {
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return [lhs[0] - rhs[0], lhs[1] - rhs[1], lhs[2] - rhs[2]];
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}
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fn vec_dot(lhs: [f32; 3], rhs: [f32; 3]) -> f32 {
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return lhs[0] * rhs[0] + lhs[1] * rhs[1] + lhs[2] * rhs[2];
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}
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fn vec_mul_componentwise(lhs: [f32; 3], rhs: [f32; 3]) -> [f32; 3] {
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return [lhs[0] * rhs[0], lhs[1] * rhs[1], lhs[2] * rhs[2]];
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}
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fn vec_mul_scalar(lhs: f32, rhs: [f32; 3]) -> [f32; 3] {
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return [lhs * rhs[0], lhs * rhs[1], lhs * rhs[2]];
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}
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fn vec_normalize(v: [f32; 3]) -> [f32; 3] {
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let len_reciprocal = 1.0f32 / SDL_sqrtf(vec_length_squared(v));
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return vec_mul_scalar(len_reciprocal, v);
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}
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fn vec_length_squared(v: [f32; 3]) -> f32 {
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return v[0] * v[0] + v[1] * v[1] + v[2] * v[2];
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||||
}
|
||||
|
||||
fn vec_abs(v: [f32; 3]) -> [f32; 3] {
|
||||
return [abs(v[0]), abs(v[1]), abs(v[2])];
|
||||
}
|
||||
|
||||
fn vec_reflect(direction: [f32; 3], normal: [f32; 3]) -> [f32; 3] {
|
||||
return vec_sub(direction, vec_mul_scalar(2.0f32 * vec_dot(direction, normal), normal));
|
||||
}
|
||||
|
||||
fn interval_surrounds(interval: [f32; 2], value: f32) -> bool {
|
||||
return (interval[0] < value) && (value < interval[1]);
|
||||
}
|
||||
|
||||
fn random_unit_vec() -> [f32; 3] {
|
||||
let mut point = [
|
||||
SDL_randf() * 2.0f32 - 1.0f32,
|
||||
SDL_randf() * 2.0f32 - 1.0f32,
|
||||
SDL_randf() * 2.0f32 - 1.0f32
|
||||
];
|
||||
let mut lensq = vec_length_squared(point);
|
||||
while lensq > 1.0 {
|
||||
point = [
|
||||
SDL_randf() * 2.0f32 - 1.0f32,
|
||||
SDL_randf() * 2.0f32 - 1.0f32,
|
||||
SDL_randf() * 2.0f32 - 1.0f32
|
||||
];
|
||||
lensq = vec_length_squared(point);
|
||||
}
|
||||
let len_reciprocal = 1.0f32 / SDL_sqrtf(lensq);
|
||||
return vec_mul_scalar(len_reciprocal, point);
|
||||
}
|
||||
|
||||
fn random_unit_vec_on_hemi(normal: [f32; 3]) -> [f32; 3] {
|
||||
let rand_vec = random_unit_vec();
|
||||
if vec_dot(rand_vec, normal) < 0.0f32 {
|
||||
return vec_mul_scalar(0.0f32 - 1.0f32, rand_vec);
|
||||
}
|
||||
return rand_vec;
|
||||
}
|
||||
|
||||
fn linear_to_srgb(linear: f32) -> u8 {
|
||||
let mut floating_srgb = 0.0;
|
||||
if linear <= 0.0031308f32 {
|
||||
floating_srgb = 12.92f32 * linear;
|
||||
} else {
|
||||
floating_srgb = SDL_powf(linear as f32, 1.0 / 2.4) * 1.055f32 - 0.055f32;
|
||||
}
|
||||
let clamped = clamp(0.0, 1.0, floating_srgb);
|
||||
return (clamped * 255.999) as u8;
|
||||
}
|
||||
|
||||
fn srgb_to_linear(srgb: u8) -> f32 {
|
||||
let floating_srgb = srgb as f32 / 255.0;
|
||||
if floating_srgb <= 0.04045f32 {
|
||||
return floating_srgb / 12.92f32;
|
||||
}
|
||||
return SDL_powf((floating_srgb as f32 + 0.055) / 1.055, 2.4);
|
||||
}
|
||||
@ -38,7 +38,7 @@ pub fn new_string() -> String {
|
||||
}
|
||||
|
||||
pub fn from_str(str: *char) -> String {
|
||||
let length = str_length(str);
|
||||
let length = str_length(str) as u64;
|
||||
let mut new = new_string();
|
||||
let static = String {
|
||||
inner: str,
|
||||
|
||||
@ -131,6 +131,14 @@ pub fn form_intrinsic_binops() -> Vec<BinopDefinition> {
|
||||
intrinsics.push(simple_binop_def(BinaryOperator::Minus, &ty, |scope, lhs, rhs| {
|
||||
scope.block.build(Instr::FSub(lhs, rhs)).unwrap()
|
||||
}));
|
||||
intrinsics.push(simple_binop_def(Div, &ty, |scope, lhs, rhs| {
|
||||
scope.block.build(Instr::FDiv(lhs, rhs)).unwrap()
|
||||
}));
|
||||
intrinsics.push(simple_binop_def(Mod, &ty, |scope, lhs, rhs| {
|
||||
let div = scope.block.build(Instr::FDiv(lhs, rhs)).unwrap();
|
||||
let mul = scope.block.build(Instr::Mul(rhs, div)).unwrap();
|
||||
scope.block.build(Instr::Sub(lhs, mul)).unwrap()
|
||||
}));
|
||||
intrinsics.push(boolean_binop_def(Cmp(CmpOperator::EQ), &ty, |scope, lhs, rhs| {
|
||||
scope.block.build(Instr::FCmp(CmpPredicate::EQ, lhs, rhs)).unwrap()
|
||||
}));
|
||||
@ -151,6 +159,10 @@ pub fn form_intrinsic_binops() -> Vec<BinopDefinition> {
|
||||
}));
|
||||
}
|
||||
|
||||
intrinsics.push(boolean_binop_def(And, &TypeKind::Bool, |scope, lhs, rhs| {
|
||||
scope.block.build(Instr::And(lhs, rhs)).unwrap()
|
||||
}));
|
||||
|
||||
intrinsics
|
||||
}
|
||||
|
||||
|
||||
@ -217,9 +217,10 @@ impl Block {
|
||||
variable_reference.2,
|
||||
);
|
||||
|
||||
dbg!(&var_t_resolved);
|
||||
|
||||
// Typecheck (and coerce) expression with said type
|
||||
let res = expression.typecheck(&mut state, &typerefs, Some(&var_t_resolved));
|
||||
|
||||
// If expression resolution itself was erronous, resolve as
|
||||
// Unknown and note error.
|
||||
let res = state.or_else(res, TypeKind::Vague(Vague::Unknown), expression.1);
|
||||
@ -413,10 +414,18 @@ impl Expression {
|
||||
ExprKind::BinOp(op, lhs, rhs, ret_ty) => {
|
||||
// First find unfiltered parameters to binop
|
||||
let lhs_res = lhs.typecheck(state, &typerefs, None);
|
||||
let lhs_type = state.or_else(lhs_res, TypeKind::Vague(Vague::Unknown), lhs.1);
|
||||
let rhs_res = rhs.typecheck(state, &typerefs, None);
|
||||
let lhs_type = state.or_else(lhs_res, TypeKind::Vague(Vague::Unknown), lhs.1);
|
||||
let rhs_type = state.or_else(rhs_res, TypeKind::Vague(Vague::Unknown), rhs.1);
|
||||
let expected_return_ty = ret_ty.resolve_ref(typerefs);
|
||||
|
||||
let mut expected_return_ty = ret_ty.resolve_ref(typerefs);
|
||||
if let Some(hint_t) = hint_t {
|
||||
expected_return_ty = state.or_else(
|
||||
expected_return_ty.narrow_into(hint_t),
|
||||
TypeKind::Vague(VagueType::Unknown),
|
||||
self.1,
|
||||
);
|
||||
};
|
||||
|
||||
let binops = state.scope.binops.filter(&pass::ScopeBinopKey {
|
||||
params: (lhs_type.clone(), rhs_type.clone()),
|
||||
@ -433,11 +442,6 @@ impl Expression {
|
||||
*ret_ty = binop.narrow(&lhs_type, &rhs_type).unwrap().2;
|
||||
Ok(ret_ty.clone())
|
||||
} else {
|
||||
dbg!(&binops);
|
||||
dbg!(&op, &lhs, &rhs);
|
||||
dbg!(&lhs_type);
|
||||
dbg!(&rhs_type);
|
||||
dbg!(&expected_return_ty);
|
||||
panic!()
|
||||
}
|
||||
}
|
||||
@ -537,7 +541,7 @@ impl Expression {
|
||||
});
|
||||
|
||||
// Typecheck and narrow index-expression
|
||||
let idx_expr_res = idx_expr.typecheck(state, typerefs, Some(&TypeKind::U32));
|
||||
let idx_expr_res = idx_expr.typecheck(state, typerefs, Some(&TypeKind::Vague(VagueType::Integer)));
|
||||
state.ok(idx_expr_res, idx_expr.1);
|
||||
|
||||
// TODO it could be possible to check length against constants..
|
||||
@ -559,7 +563,7 @@ impl Expression {
|
||||
ExprKind::Array(expressions) => {
|
||||
// Try to unwrap hint type from array if possible
|
||||
let hint_t = hint_t.map(|t| match t {
|
||||
TypeKind::Array(type_kind, _) => &type_kind,
|
||||
TypeKind::Array(type_kind, _) => type_kind,
|
||||
_ => t,
|
||||
});
|
||||
|
||||
@ -704,7 +708,7 @@ impl Expression {
|
||||
Ok(*inner)
|
||||
}
|
||||
ExprKind::CastTo(expression, type_kind) => {
|
||||
let expr = expression.typecheck(state, typerefs, Some(&type_kind))?;
|
||||
let expr = expression.typecheck(state, typerefs, None)?;
|
||||
expr.resolve_ref(typerefs).cast_into(type_kind)
|
||||
}
|
||||
}
|
||||
|
||||
@ -197,6 +197,9 @@ impl Block {
|
||||
let mut state = state.inner();
|
||||
let inner_refs = outer_refs.inner();
|
||||
|
||||
// Keep track of variables created in this scope
|
||||
let mut scope_variables = Vec::new();
|
||||
|
||||
for statement in &mut self.statements {
|
||||
match &mut statement.0 {
|
||||
StmtKind::Let(var, mutable, expr) => {
|
||||
@ -217,6 +220,9 @@ impl Block {
|
||||
if let (Some(var_ref), Some(expr_ty_ref)) = (var_ref.as_mut(), expr_ty_ref.as_mut()) {
|
||||
var_ref.narrow(&expr_ty_ref);
|
||||
}
|
||||
|
||||
// Add variable to list of tracked variables
|
||||
scope_variables.push(var.clone());
|
||||
}
|
||||
StmtKind::Set(lhs, rhs) => {
|
||||
// Infer hints for the expression itself
|
||||
@ -266,6 +272,12 @@ impl Block {
|
||||
}
|
||||
}
|
||||
|
||||
// if variables aren't known at this time, they will never be. Default
|
||||
// their types.
|
||||
for variable in scope_variables {
|
||||
inner_refs.try_default_deep(&variable.0);
|
||||
}
|
||||
|
||||
Ok((kind, ret_type_ref))
|
||||
}
|
||||
}
|
||||
@ -328,15 +340,9 @@ impl Expression {
|
||||
widened_rhs = widened_rhs.widen_into(&binop.hands.1);
|
||||
}
|
||||
let binop_res = type_refs.from_binop(*op, &lhs_ref, &rhs_ref);
|
||||
dbg!(&type_refs.types.type_refs);
|
||||
dbg!(&type_refs.types.hints);
|
||||
lhs_ref.narrow(&type_refs.from_type(&widened_lhs).unwrap());
|
||||
rhs_ref.narrow(&type_refs.from_type(&widened_rhs).unwrap());
|
||||
dbg!(&lhs_ref, &rhs_ref);
|
||||
*return_ty = binop_res.as_type();
|
||||
dbg!(&type_refs.types.hints, &type_refs.types.type_refs);
|
||||
dbg!(&return_ty);
|
||||
dbg!(&type_refs.from_type(&return_ty));
|
||||
Ok(binop_res)
|
||||
} else {
|
||||
Err(ErrorKind::InvalidBinop(
|
||||
|
||||
@ -302,6 +302,27 @@ impl<'outer> ScopeTypeRefs<'outer> {
|
||||
}
|
||||
}
|
||||
|
||||
pub fn try_default_deep(&self, ty: &TypeKind) -> Option<TypeKind> {
|
||||
Some(match &ty {
|
||||
TypeKind::Array(type_kind, _) => self.try_default_deep(type_kind)?,
|
||||
TypeKind::CustomType(_) => ty.clone(),
|
||||
TypeKind::Borrow(type_kind, _) => self.try_default_deep(type_kind)?,
|
||||
TypeKind::UserPtr(type_kind) => self.try_default_deep(type_kind)?,
|
||||
TypeKind::CodegenPtr(type_kind) => self.try_default_deep(type_kind)?,
|
||||
TypeKind::Vague(vague_type) => match vague_type {
|
||||
VagueType::Unknown => ty.clone(),
|
||||
VagueType::Integer => ty.or_default().unwrap(),
|
||||
VagueType::Decimal => ty.or_default().unwrap(),
|
||||
VagueType::TypeRef(idx) => {
|
||||
let typeref = TypeRef(Rc::new(RefCell::new(*idx)), self);
|
||||
self.narrow_to_type(&typeref, &self.try_default_deep(&typeref.resolve_deep()?)?)?
|
||||
.resolve_deep()?
|
||||
}
|
||||
},
|
||||
_ => ty.clone(),
|
||||
})
|
||||
}
|
||||
|
||||
fn combine_vars(&'outer self, hint1: &TypeRef, hint2: &TypeRef) -> Option<TypeRef<'outer>> {
|
||||
unsafe {
|
||||
let ty = self
|
||||
|
||||
Loading…
Reference in New Issue
Block a user