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Allow importing types

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This commit is contained in:
Sofia 2025-07-26 00:56:51 +03:00
parent 12e2851a8b
commit 269de327b8
7 changed files with 173 additions and 623 deletions
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16
examples/a.reid
View File

@ -1,6 +1,12 @@
pub fn abs(f: f32) -> f32 {
if f < 0.0 {
return f * (0.0 - 1.0);
}
return f;
import std::print;
import std::new_string;
import std::String;
fn otus() -> String {
return new_string();
}
fn main() -> u8 {
return 0;
}

469
foo.reid
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@ -1,469 +0,0 @@
import std::concat_strings;
import std::print;
import std::from_str;
import std::free_string;
import std::add_num_to_str;
///////////////////
/// SDL externs ///
///////////////////
// Helper struct for stack allocated const sized strings, because structs are
// easier to create uninit than arrays.
struct SDL_Window {}
struct SDL_Renderer {}
struct SDL_Texture {}
struct SDL_Event { type: u32, reserved: [u8; 124] }
struct SDL_FRect { x: f32, y: f32, w: f32, h: f32 }
struct SDL_Rect { x: i32, y: i32, w: i32, h: i32 }
extern fn SDL_malloc(size: u64) -> *u8;
extern fn SDL_Init(flags: u32) -> bool;
extern fn SDL_Quit();
extern fn SDL_CreateWindowAndRenderer(title: *char, width: i32, height: i32, flags: i32,
window_out: &mut *SDL_Window, renderer_out: &mut *SDL_Renderer) -> bool;
extern fn SDL_Delay(ms: u32);
extern fn SDL_SetRenderDrawColor(renderer: *SDL_Renderer, r: u8, g: u8, b: u8, a: u8);
extern fn SDL_RenderClear(renderer: *SDL_Renderer);
extern fn SDL_RenderPresent(renderer: *SDL_Renderer);
extern fn SDL_HasEvent(event_type: u32) -> bool;
extern fn SDL_PollEvent(event: &mut SDL_Event) -> bool;
extern fn SDL_PumpEvents();
extern fn SDL_FlushEvents(min_type: u32, max_type: u32);
extern fn SDL_GetTicks() -> u64;
extern fn SDL_SetWindowTitle(window: *SDL_Window, title: *char) -> bool;
extern fn SDL_CreateTexture(renderer: *SDL_Renderer,
pixel_format: u32, texture_access: u32, width: u32, height: u32) -> *SDL_Texture;
extern fn SDL_RenderTexture(renderer: *SDL_Renderer,
texture: *SDL_Texture, srcfrect: &SDL_FRect, dstfrect: &SDL_FRect) -> bool;
extern fn SDL_UpdateTexture(texture: *SDL_Texture, rect: &SDL_Rect, pixels: *u8, pitch: u32) -> bool;
extern fn SDL_GetError() -> *char;
extern fn SDL_GetWindowSize(window: *SDL_Window, w: &mut i32, h: &mut i32) -> bool;
extern fn SDL_rand(max_exclusive: u32) -> u32;
extern fn SDL_SetTextureScaleMode(texture: *SDL_Texture, scale_mode: i32) -> bool;
extern fn SDL_sqrtf(value: f32) -> f32;
extern fn SDL_randf() -> f32;
extern fn SDL_powf(value: f32, power: f32) -> f32;
// SDL error reporting helper
fn print_sdl_error(context: *char) {
let mut message = from_str(context);
let delim = from_str(": ");
concat_strings(&mut message, delim);
free_string(&delim);
let error_msg = from_str(SDL_GetError());
concat_strings(&mut message, error_msg);
free_string(&error_msg);
print(message);
free_string(&message);
}
/////////////////////////////////
/// Main setup and frame loop ///
/////////////////////////////////
struct GameState {
renderer: *SDL_Renderer,
window: *SDL_Window,
render_texture: *SDL_Texture,
frame_counter: u32,
last_fps_reset: u64,
pixels: *u8,
pixels_w: u32,
pixels_h: u32,
pixels_bpp: u32,
}
fn main() -> i32 {
let SDL_INIT_VIDEO = 32;
let SDL_WINDOW_RESIZABLE = 32;
let SDL_PIXELFORMAT_RGBA8888 = 373694468;
let SDL_PIXELFORMAT_ABGR8888 = 376840196;
let SDL_PIXELFORMAT_RGB24 = 386930691;
let SDL_PIXELFORMAT_BGR24 = 390076419;
let SDL_PIXELFORMAT_RGB96_FLOAT = 454057996;
let SDL_PIXELFORMAT_BGR96_FLOAT = 457203724;
let SDL_TEXTUREACCESS_STREAMING = 1;
let SDL_SCALEMODE_NEAREST = 0;
let SDL_SCALEMODE_LINEAR = 1;
let SDL_SCALEMODE_PIXELART = 2;
let init_success = SDL_Init(SDL_INIT_VIDEO);
if init_success == false {
print_sdl_error("SDL init failed");
return 1;
}
let mut window = SDL_malloc(1) as *SDL_Window;
let mut renderer = SDL_malloc(1) as *SDL_Renderer;
let gfx_init_success = SDL_CreateWindowAndRenderer(
"graphical reid program", 640, 480, SDL_WINDOW_RESIZABLE,
&mut window, &mut renderer
);
if gfx_init_success == false {
print_sdl_error("SDL renderer and window creation failed");
return 1;
}
let width = 320;
let height = 240;
let bpp = 4;
let render_texture = SDL_CreateTexture(renderer,
SDL_PIXELFORMAT_ABGR8888, SDL_TEXTUREACCESS_STREAMING, width, height);
SDL_SetTextureScaleMode(render_texture, SDL_SCALEMODE_NEAREST);
let pixels_len = (width * height * bpp) as u64;
let pixels = SDL_malloc(pixels_len);
let mut game_state = GameState {
renderer: renderer,
window: window,
render_texture: render_texture,
frame_counter: 0,
last_fps_reset: 0,
pixels: pixels,
pixels_w: width,
pixels_h: height,
pixels_bpp: bpp,
};
while frame_loop(&mut game_state) {}
SDL_Quit();
return 0;
}
fn frame_loop(game_state: &mut GameState) -> bool {
let mut event = SDL_Event {};
while (SDL_PollEvent(&mut event)) {
if event.type == 256 { // SDL_EVENT_QUIT
return false;
}
}
let mut screen_width = 0;
let mut screen_height = 0;
SDL_GetWindowSize(*game_state.window, &mut screen_width, &mut screen_height);
let renderer = *game_state.renderer;
SDL_SetRenderDrawColor(renderer, 0, 50, 90, 255);
SDL_RenderClear(renderer);
let w = *game_state.pixels_w;
let h = *game_state.pixels_h;
let bpp = *game_state.pixels_bpp;
for y in 0..h {
for x in 0..w {
render_pixel(x, y, game_state);
}
}
let texture_area = SDL_Rect { x: 0, y: 0, w: w as i32, h: h as i32 };
if SDL_UpdateTexture(*game_state.render_texture, &texture_area, *game_state.pixels as *u8, bpp * w) == false {
print_sdl_error("UpdateTexture error");
}
let src = SDL_FRect { x: 0.0, y: 0.0, w: w as f32, h: h as f32 };
let aspect_ratio = src.w / src.h;
let scaled_width = screen_height as f32 * aspect_ratio;
let dst = SDL_FRect { x: (screen_width as f32 - scaled_width) / 2.0, y: 0.0, w: scaled_width, h: screen_height as f32 };
if SDL_RenderTexture(renderer, *game_state.render_texture, &src, &dst) == false {
print_sdl_error("RenderTexture error");
}
SDL_RenderPresent(renderer);
SDL_Delay(1);
*game_state.frame_counter = *game_state.frame_counter + 1;
let t = SDL_GetTicks();
if (t - *game_state.last_fps_reset) >= 1000 {
let mut title = from_str("graphical reid program ");
add_num_to_str(&mut title, *game_state.frame_counter as u64);
let fps_unit = from_str(" fps");
concat_strings(&mut title, fps_unit);
free_string(&fps_unit);
SDL_SetWindowTitle(*game_state.window, title.inner);
free_string(&title);
*game_state.frame_counter = 0;
*game_state.last_fps_reset = t;
}
return true;
}
fn render_pixel(x: u32, y: u32, game_state: &mut GameState) {
let w = *game_state.pixels_w;
let h = *game_state.pixels_h;
let bpp = *game_state.pixels_bpp;
let samples = 1;
let old_sample_weight = 0.75;
let new_sample_weight = 0.25 / samples as f32;
let mut rgb = vec_mul_scalar(old_sample_weight, [
srgb_to_linear(*game_state.pixels[(x + y * w) * bpp + 0]),
srgb_to_linear(*game_state.pixels[(x + y * w) * bpp + 1]),
srgb_to_linear(*game_state.pixels[(x + y * w) * bpp + 2])
]);
for sample in 0..samples {
rgb = vec_add(rgb, vec_mul_scalar(new_sample_weight, shade(x, y, *game_state.frame_counter, w, h)));
}
*game_state.pixels[(x + y * w) * bpp + 0] = linear_to_srgb(rgb[0]);
*game_state.pixels[(x + y * w) * bpp + 1] = linear_to_srgb(rgb[1]);
*game_state.pixels[(x + y * w) * bpp + 2] = linear_to_srgb(rgb[2]);
*game_state.pixels[(x + y * w) * bpp + 3] = 255;
}
/////////////////
/// Rendering ///
/////////////////
struct Ray {
origin: [f32; 3],
direction: [f32; 3],
}
struct Material {
// 0 = lambertian diffuse
// 1 = mirror
type: u32,
// Generally the "color" of the surface (linear factors of how much of each
// color channel this surface does not absorb), but the idea is that the
// type governs what this means.
linear_color: [f32; 3],
}
struct Hit {
hit: bool,
front_face: bool,
distance: f32,
normal: [f32; 3],
position: [f32; 3],
material: Material,
}
struct Sphere {
center: [f32; 3],
radius: f32,
material: Material,
}
fn shade(x: u32, y: u32, t: u32, w: u32, h: u32) -> [f32; 3] {
let jitter_x = SDL_randf() - 0.5;
let jitter_y = SDL_randf() - 0.5;
let pixel_scale = 1.0 / h as f32;
let pixel_pos = [
(x as f32 + jitter_x) * pixel_scale,
1.0 - (y as f32 + jitter_y) * pixel_scale,
0.0 - 1.0
];
let camera_pos = [w as f32 * 0.5f32 * pixel_scale, h as f32 * 0.5f32 * pixel_scale, 0.0f32];
let dir = vec_normalize(vec_sub(pixel_pos, camera_pos));
let ray = Ray { origin: camera_pos, direction: dir };
let beige_lambertian = Material { type: 0, linear_color: [0.3, 0.2, 0.1] };
let green_lambertian = Material { type: 0, linear_color: [0.1, 0.5, 0.06] };
let greenish_mirror = Material { type: 1, linear_color: [0.9, 1.0, 0.95] };
let spheres = [
// Ground
Sphere { center: vec_sub(camera_pos, [0.0, 100001.0, 0.0]), radius: 100000.0, material: beige_lambertian },
// Centered unit sphere
Sphere { center: vec_add(camera_pos, [0.0, 0.0, 0.0 - 5.0]), radius: 1.0, material: green_lambertian },
// The unit sphere on the right
Sphere { center: vec_add(camera_pos, [2.0, 0.0, 0.0 - 6.0]), radius: 1.0, material: greenish_mirror }
];
return shade_world(ray, &spheres, 3);
}
fn shade_world(ray: Ray, spheres: &[Sphere; 3], bounces_left: u8) -> [f32; 3] {
if bounces_left == 0 {
return [0.0, 0.0, 0.0];
}
let ray_distance = 100.0;
let mut closest_hit = Hit { hit: false, front_face: false, distance: ray_distance };
for i in 0..3 {
let sphere_hit = ray_sphere_closest_hit(ray, *spheres[i], [0.001, closest_hit.distance]);
if sphere_hit.hit {
closest_hit = sphere_hit;
}
}
if closest_hit.hit {
//return vec_mul_scalar(0.5, vec_add(closest_hit.normal, [1.0, 1.0, 1.0])); // normal
//return vec_mul_scalar(closest_hit.distance / 10.0, [1.0, 1.0, 1.0]); // depth
if closest_hit.material.type == 0 {
let bounce_dir = vec_normalize(vec_add(closest_hit.normal, random_unit_vec()));
let bounce_ray = Ray { origin: closest_hit.position, direction: bounce_dir };
return vec_mul_componentwise(
closest_hit.material.linear_color,
shade_world(bounce_ray, spheres, bounces_left - 1)
);
} else if closest_hit.material.type == 1 {
let bounce_dir = vec_reflect(ray.direction, closest_hit.normal);
let bounce_ray = Ray { origin: closest_hit.position, direction: bounce_dir };
return vec_mul_componentwise(
closest_hit.material.linear_color,
shade_world(bounce_ray, spheres, bounces_left - 1)
);
} else {
return [1.0, 0.0, 1.0];
}
}
return shade_sky(ray);
}
fn shade_sky(ray: Ray) -> [f32; 3] {
let a = 0.5 * (ray.direction[1] + 1.0);
return vec_add(
vec_mul_scalar(1.0 - a, [1.0, 1.0, 1.0]),
vec_mul_scalar(a, [0.5, 0.7, 1.0])
);
}
// Returns the distance from the ray origin to the sphere, or -1.0 if the ray doesn't hit.
fn ray_sphere_closest_hit(ray: Ray, sphere: Sphere, interval: [f32; 2]) -> Hit {
let to_sphere = vec_sub(sphere.center, ray.origin);
let h = vec_dot(ray.direction, to_sphere);
let c = vec_length_squared(to_sphere) - sphere.radius * sphere.radius;
let discriminant = h * h - c;
if discriminant < 0.0 {
return Hit { hit: false };
}
let discriminant_sqrt = SDL_sqrtf(discriminant);
let mut distance = h - discriminant_sqrt;
if interval_surrounds(interval, distance) == false {
distance = h - discriminant_sqrt;
if interval_surrounds(interval, distance) == false {
return Hit { hit: false };
}
}
let hit_position = vec_add(ray.origin, vec_mul_scalar(distance, ray.direction));
let mut front_face = true;
let mut normal = vec_normalize(vec_sub(hit_position, sphere.center));
if vec_dot(normal, ray.direction) > 0.0 {
normal = vec_mul_scalar(0.0 - 1.0, normal);
front_face = false;
}
return Hit {
hit: true,
front_face: front_face,
distance: distance,
normal: normal,
position: hit_position,
material: sphere.material,
};
}
//////////////////
/// Other math ///
//////////////////
fn clamp(min: f32, max: f32, value: f32) -> f32 {
if value > max {
return max;
}
if value < min {
return min;
}
return value;
}
fn abs(f: f32) -> f32 {
if f < 0.0 {
return f * (0.0 - 1.0);
}
return f;
}
fn vec_add(lhs: [f32; 3], rhs: [f32; 3]) -> [f32; 3] {
return [lhs[0] + rhs[0], lhs[1] + rhs[1], lhs[2] + rhs[2]];
}
fn vec_sub(lhs: [f32; 3], rhs: [f32; 3]) -> [f32; 3] {
return [lhs[0] - rhs[0], lhs[1] - rhs[1], lhs[2] - rhs[2]];
}
fn vec_dot(lhs: [f32; 3], rhs: [f32; 3]) -> f32 {
return lhs[0] * rhs[0] + lhs[1] * rhs[1] + lhs[2] * rhs[2];
}
fn vec_mul_componentwise(lhs: [f32; 3], rhs: [f32; 3]) -> [f32; 3] {
return [lhs[0] * rhs[0], lhs[1] * rhs[1], lhs[2] * rhs[2]];
}
fn vec_mul_scalar(lhs: f32, rhs: [f32; 3]) -> [f32; 3] {
return [lhs * rhs[0], lhs * rhs[1], lhs * rhs[2]];
}
fn vec_normalize(v: [f32; 3]) -> [f32; 3] {
let len_reciprocal = 1.0f32 / SDL_sqrtf(vec_length_squared(v));
return vec_mul_scalar(len_reciprocal, v);
}
fn vec_length_squared(v: [f32; 3]) -> f32 {
return v[0] * v[0] + v[1] * v[1] + v[2] * v[2];
}
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);
}

1
reid/src/ast/process.rs
View File

@ -95,6 +95,7 @@ impl ast::Module {
},
meta: (*range).as_meta(module_id),
source_module: module_id,
importer: None,
};
typedefs.push(def);
}

12
reid/src/mir/fmt.rs
View File

@ -75,7 +75,17 @@ impl Display for BinopDefinition {
impl Display for TypeDefinition {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "type {} = ", self.name)?;
write!(
f,
"type {} (mod {}{}) = ",
self.name,
self.source_module,
if let Some(mod_id) = self.importer {
format!("; imported to {}", mod_id)
} else {
String::new()
}
)?;
Display::fmt(&self.kind, f)
}
}

288
reid/src/mir/linker.rs
View File

@ -31,8 +31,8 @@ pub enum ErrorKind {
ModuleNotFound(String),
#[error("Error while compiling module {0}: {1}")]
ModuleCompilationError(String, String),
#[error("No such function {0} found in module {1}")]
NoSuchFunctionInModule(String, String),
#[error("No such value {0} found in module {1}")]
ImportDoesNotExist(String, String),
#[error("Importing function {0}::{1} not possible: {2}")]
FunctionImportIssue(String, String, EqualsIssue),
#[error("Tried linking another main module: {0}")]
@ -111,10 +111,7 @@ impl<'map> Pass for LinkerPass<'map> {
for import in importer_module.imports.clone() {
let Import(path, _) = &import;
if path.len() != 2 {
state.ok::<_, Infallible>(
Err(ErrorKind::InnerModulesNotYetSupported(import.clone())),
import.1,
);
state.ok::<_, Infallible>(Err(ErrorKind::InnerModulesNotYetSupported(import.clone())), import.1);
}
let module_name = unsafe { path.get_unchecked(0) };
@ -123,38 +120,30 @@ impl<'map> Pass for LinkerPass<'map> {
modules.get(mod_id).unwrap()
} else if module_name == STD_NAME {
let std = compile_std(&mut self.module_map)?;
modules.insert(
std.module_id,
Rc::new(RefCell::new(compile_std(&mut self.module_map)?)),
);
modules.insert(std.module_id, Rc::new(RefCell::new(compile_std(&mut self.module_map)?)));
module_ids.insert(std.name, std.module_id);
modules.get(&std.module_id).unwrap()
} else {
let file_path =
PathBuf::from(&context.base.clone()).join(module_name.to_owned() + ".reid");
let file_path = PathBuf::from(&context.base.clone()).join(module_name.to_owned() + ".reid");
let Ok(source) = fs::read_to_string(&file_path) else {
state.ok::<_, Infallible>(
Err(ErrorKind::ModuleNotFound(module_name.clone())),
import.1,
);
state.ok::<_, Infallible>(Err(ErrorKind::ModuleNotFound(module_name.clone())), import.1);
continue;
};
let (id, tokens) =
match parse_module(&source, module_name.clone(), &mut self.module_map) {
Ok(val) => val,
Err(err) => {
state.ok::<_, Infallible>(
Err(ErrorKind::ModuleCompilationError(
module_name.clone(),
format!("{}", err),
)),
import.1,
);
continue;
}
};
let (id, tokens) = match parse_module(&source, module_name.clone(), &mut self.module_map) {
Ok(val) => val,
Err(err) => {
state.ok::<_, Infallible>(
Err(ErrorKind::ModuleCompilationError(
module_name.clone(),
format!("{}", err),
)),
import.1,
);
continue;
}
};
match compile_module(id, tokens, &mut self.module_map, Some(file_path), false) {
Ok(imported_module) => {
@ -166,8 +155,7 @@ impl<'map> Pass for LinkerPass<'map> {
continue;
}
let module_id = imported_module.module_id;
module_ids
.insert(imported_module.name.clone(), imported_module.module_id);
module_ids.insert(imported_module.name.clone(), imported_module.module_id);
modules.insert(module_id, Rc::new(RefCell::new(imported_module)));
let imported = modules.get_mut(&module_id).unwrap();
modules_to_process.push(imported.clone());
@ -187,112 +175,74 @@ impl<'map> Pass for LinkerPass<'map> {
}
.borrow_mut();
let func_name = unsafe { path.get_unchecked(1) };
let Some(func) = imported.functions.iter_mut().find(|f| f.name == *func_name)
else {
state.ok::<_, Infallible>(
Err(ErrorKind::NoSuchFunctionInModule(
module_name.clone(),
func_name.clone(),
)),
import.1,
);
continue;
};
let func_name = func.name.clone();
if !func.is_pub {
state.ok::<_, Infallible>(
Err(ErrorKind::FunctionIsPrivate(
module_name.clone(),
func_name.clone(),
)),
import.1,
);
continue;
}
func.is_imported = true;
if let Some(existing) = importer_module
.functions
.iter()
.find(|f| f.name == *func_name)
{
if let Err(e) = existing.equals_as_imported(func) {
state.ok::<_, Infallible>(
Err(ErrorKind::FunctionImportIssue(
module_name.clone(),
func_name.clone(),
e,
)),
import.1,
);
}
}
fn import_type(ty: &TypeKind) -> Vec<CustomTypeKey> {
let mut imported_types = Vec::new();
match &ty {
TypeKind::CustomType(key) => imported_types.push(key.clone()),
TypeKind::Borrow(ty, _) => imported_types.extend(import_type(ty)),
TypeKind::Array(ty, _) => imported_types.extend(import_type(ty)),
TypeKind::UserPtr(ty) => imported_types.extend(import_type(ty)),
TypeKind::CodegenPtr(ty) => imported_types.extend(import_type(ty)),
_ => {}
};
imported_types
}
let import_name = unsafe { path.get_unchecked(1) };
let mut imported_types = Vec::new();
let types = import_type(&func.return_type);
let return_type = func.return_type.clone();
imported_types.extend(types);
if let Some(func) = imported.functions.iter_mut().find(|f| f.name == *import_name) {
let func_name = func.name.clone();
let mut param_tys = Vec::new();
for (param_name, param_ty) in &func.parameters {
let types = import_type(&param_ty);
imported_types.extend(types);
param_tys.push((param_name.clone(), param_ty.clone()));
}
if !func.is_pub {
state.ok::<_, Infallible>(
Err(ErrorKind::FunctionIsPrivate(module_name.clone(), func_name.clone())),
import.1,
);
continue;
}
fn find_inner_types(
typedef: &TypeDefinition,
mut seen: HashSet<CustomTypeKey>,
mod_id: SourceModuleId,
) -> Vec<CustomTypeKey> {
match &typedef.kind {
crate::mir::TypeDefinitionKind::Struct(struct_type) => {
let typenames = struct_type
.0
.iter()
.filter(|t| matches!(t.1, TypeKind::CustomType(..)))
.map(|t| match &t.1 {
TypeKind::CustomType(CustomTypeKey(t, _)) => t,
_ => panic!(),
})
.cloned()
.collect::<Vec<_>>();
func.is_imported = true;
for typename in typenames {
if seen.contains(&CustomTypeKey(typename.clone(), mod_id)) {
continue;
}
let inner = find_inner_types(typedef, seen.clone(), mod_id);
seen.insert(CustomTypeKey(typename, mod_id));
seen.extend(inner);
}
seen.into_iter().collect()
if let Some(existing) = importer_module.functions.iter().find(|f| f.name == *func_name) {
if let Err(e) = existing.equals_as_imported(func) {
state.ok::<_, Infallible>(
Err(ErrorKind::FunctionImportIssue(
module_name.clone(),
func_name.clone(),
e,
)),
import.1,
);
}
}
let types = import_type(&func.return_type, false);
let return_type = func.return_type.clone();
imported_types.extend(types);
let mut param_tys = Vec::new();
for (param_name, param_ty) in &func.parameters {
let types = import_type(&param_ty, false);
imported_types.extend(types);
param_tys.push((param_name.clone(), param_ty.clone()));
}
importer_module.functions.push(FunctionDefinition {
name: func_name,
is_pub: false,
is_imported: false,
return_type,
parameters: param_tys,
kind: super::FunctionDefinitionKind::Extern(true),
});
} else if let Some(ty) = imported.typedefs.iter_mut().find(|f| f.name == *import_name) {
dbg!("hello??");
let external_key = CustomTypeKey(ty.name.clone(), ty.source_module);
imported_types.push((external_key, true));
dbg!(&imported_types);
} else {
state.ok::<_, Infallible>(
Err(ErrorKind::ImportDoesNotExist(module_name.clone(), import_name.clone())),
import.1,
);
continue;
}
let mut seen = HashSet::new();
seen.extend(imported_types.clone());
let mut extern_types = HashSet::new();
seen.extend(imported_types.clone().iter().map(|t| t.0.clone()));
extern_types.extend(imported_types.clone().iter().filter(|t| t.1).map(|t| t.0.clone()));
dbg!(&imported_types);
dbg!(&extern_types);
let imported_mod_id = imported.module_id;
let imported_mod_typedefs = &mut imported.typedefs;
@ -300,10 +250,10 @@ impl<'map> Pass for LinkerPass<'map> {
for typekey in imported_types.clone() {
let typedef = imported_mod_typedefs
.iter()
.find(|ty| CustomTypeKey(ty.name.clone(), imported_mod_id) == typekey)
.find(|ty| CustomTypeKey(ty.name.clone(), imported_mod_id) == typekey.0)
.unwrap();
let inner = find_inner_types(typedef, seen.clone(), imported_mod_id);
seen.extend(inner);
seen.extend(inner.iter().cloned());
}
// TODO: Unable to import same-named type from multiple places..
@ -314,24 +264,37 @@ impl<'map> Pass for LinkerPass<'map> {
already_imported_types.extend(seen.clone());
for typekey in &already_imported_types {
if extern_types.contains(typekey) {
let module_id = importer_module.module_id;
let typedef = importer_module
.typedefs
.iter_mut()
.find(|t| t.name == typekey.0 && t.source_module == typekey.1);
if let Some(typedef) = typedef {
typedef.importer = Some(module_id);
}
}
}
for typekey in seen.into_iter() {
let typedef = imported_mod_typedefs
dbg!(&typekey);
let mut typedef = imported_mod_typedefs
.iter()
.find(|ty| CustomTypeKey(ty.name.clone(), imported_mod_id) == typekey)
.unwrap()
.clone();
importer_module.typedefs.push(typedef.clone());
}
if extern_types.contains(&typekey) {
typedef = TypeDefinition {
importer: Some(importer_module.module_id),
..typedef
};
}
importer_module.functions.push(FunctionDefinition {
name: func_name,
is_pub: false,
is_imported: false,
return_type,
parameters: param_tys,
kind: super::FunctionDefinitionKind::Extern(true),
});
importer_module.typedefs.push(typedef);
}
dbg!(&importer_module.typedefs);
}
}
@ -347,3 +310,48 @@ impl<'map> Pass for LinkerPass<'map> {
Ok(())
}
}
fn import_type(ty: &TypeKind, usable_import: bool) -> Vec<(CustomTypeKey, bool)> {
let mut imported_types = Vec::new();
match &ty {
TypeKind::CustomType(key) => imported_types.push((key.clone(), usable_import)),
TypeKind::Borrow(ty, _) => imported_types.extend(import_type(ty, usable_import)),
TypeKind::Array(ty, _) => imported_types.extend(import_type(ty, usable_import)),
TypeKind::UserPtr(ty) => imported_types.extend(import_type(ty, usable_import)),
TypeKind::CodegenPtr(ty) => imported_types.extend(import_type(ty, usable_import)),
_ => {}
};
imported_types
}
fn find_inner_types(
typedef: &TypeDefinition,
mut seen: HashSet<CustomTypeKey>,
mod_id: SourceModuleId,
) -> Vec<CustomTypeKey> {
match &typedef.kind {
crate::mir::TypeDefinitionKind::Struct(struct_type) => {
let typenames = struct_type
.0
.iter()
.filter(|t| matches!(t.1, TypeKind::CustomType(..)))
.map(|t| match &t.1 {
TypeKind::CustomType(CustomTypeKey(t, _)) => t,
_ => panic!(),
})
.cloned()
.collect::<Vec<_>>();
for typename in typenames {
if seen.contains(&CustomTypeKey(typename.clone(), mod_id)) {
continue;
}
let inner = find_inner_types(typedef, seen.clone(), mod_id);
seen.insert(CustomTypeKey(typename, mod_id));
seen.extend(inner);
}
seen.into_iter().collect()
}
}
}

1
reid/src/mir/mod.rs
View File

@ -354,6 +354,7 @@ pub struct TypeDefinition {
pub kind: TypeDefinitionKind,
pub meta: Metadata,
pub source_module: SourceModuleId,
pub importer: Option<SourceModuleId>,
}
#[derive(Debug, Clone)]

9
reid/src/mir/typecheck/typecheck.rs
View File

@ -34,12 +34,7 @@ impl<'t> Pass for TypeCheck<'t> {
fn module(&mut self, module: &mut Module, mut state: TypecheckPassState) -> PassResult {
let mut defmap = HashMap::new();
for typedef in &module.typedefs {
let TypeDefinition {
name,
kind,
meta,
source_module: _,
} = &typedef;
let TypeDefinition { name, kind, meta, .. } = &typedef;
match kind {
TypeDefinitionKind::Struct(StructType(fields)) => {
@ -217,8 +212,6 @@ impl Block {
variable_reference.2,
);
dbg!(&var_t_resolved);
// Typecheck (and coerce) expression with said type
let res = expression.typecheck(&mut state, &typerefs, HintKind::Coerce(var_t_resolved.clone()));
// If expression resolution itself was erronous, resolve as