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agra
2026-02-21 02:25:21 +02:00
parent ff2b2a69ab
commit b02fe37a87
6 changed files with 96 additions and 12 deletions
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12
examples/28-sdl-graphics.sx
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@@ -1,8 +1,11 @@
#import "modules/std.sx";
#import "modules/sdl3.sx";
#import "modules/opengl.sx";
#import "modules/math";
PI :f32: 3.14159265;
WIDTH :f32: 800;
HEIGHT :f32: 600;
vec4 :: (x: f32, y: f32, z: f32, w: f32) -> Vector(4, f32) {
.[x, y, z, w];
@@ -23,6 +26,7 @@ mat4_multiply :: (a: *Matrix44, b: *Matrix44) -> Matrix44 {
out.c3 = a.c0 * b.c3.x + a.c1 * b.c3.y + a.c2 * b.c3.z + a.c3 * b.c3.w;
out;
}
multiply :: ufcs mat4_multiply;
mat4_perspective :: (fov: f32, aspect: f32, near: f32, far: f32) -> Matrix44 {
half := fov / 2.0;
@@ -117,7 +121,7 @@ main :: () {
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
window := SDL_CreateWindow("sx GL cube", 800, 600, SDL_WINDOW_OPENGL);
window := SDL_CreateWindow("sx GL cube", xx WIDTH, xx HEIGHT, SDL_WINDOW_OPENGL);
gl_ctx := SDL_GL_CreateContext(window);
SDL_GL_MakeCurrent(window, gl_ctx);
SDL_GL_SetSwapInterval(1);
@@ -276,11 +280,11 @@ GLSL;
angle := ms * 0.001;
// Build matrices
proj := mat4_perspective(PI / 4.0, 800.0 / 600.0, 0.1, 100.0);
proj := mat4_perspective(PI / 4.0, WIDTH / HEIGHT, 0.1, 100.0);
view := mat4_translate(0.0, 0.0, -3.0);
rot_y := mat4_rotate_y(angle);
rot_x := mat4_rotate_x(angle * 0.7);
model := mat4_multiply(rot_y, rot_x);
model := (rot_y, rot_x).multiply();
vm := mat4_multiply(view, model);
mvp := mat4_multiply(proj, vm);

5
examples/modules/math/math.sx Normal file
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@@ -0,0 +1,5 @@
PI :f32: 3.14159265;
sqrt :: (x: $T) -> T #builtin;
sin :: (x: $T) -> T #builtin;
cos :: (x: $T) -> T #builtin;

6
examples/modules/std.sx
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@@ -1,8 +1,8 @@
Vector :: ($N: int, $T: Type) -> Type #builtin;
out :: (str: string) -> void #builtin;
sqrt :: (x: $T) -> T #builtin;
sin :: (x: $T) -> T #builtin;
cos :: (x: $T) -> T #builtin;
// sqrt :: (x: $T) -> T #builtin;
// sin :: (x: $T) -> T #builtin;
// cos :: (x: $T) -> T #builtin;
size_of :: ($T: Type) -> s64 #builtin;
malloc :: (size: s64) -> *void #builtin;
memcpy :: (dst: *void, src: *void, size: s64) -> *void #builtin;

12
src/codegen.zig
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@@ -2338,6 +2338,9 @@ pub const CodeGen = struct {
const llvm_ty = self.typeToLLVM(target_ty);
switch (node.data) {
.int_literal => |lit| {
if (target_ty.isFloat()) {
return c.LLVMConstReal(llvm_ty, @floatFromInt(@as(i64, lit.value)));
}
return c.LLVMConstInt(llvm_ty, @bitCast(@as(i64, lit.value)), 0);
},
.float_literal => |lit| {
@@ -4773,6 +4776,15 @@ pub const CodeGen = struct {
return entry.ptr;
}
}
// Non-identifier expressions (e.g. field access, tuple element):
// generate value, store into temp alloca, return alloca pointer
if (node.data != .identifier) {
const val = try self.genExpr(node);
const llvm_ty = c.LLVMTypeOf(val);
const tmp = self.buildEntryBlockAlloca(llvm_ty, "implicit_addr");
_ = c.LLVMBuildStore(self.builder, val, tmp);
return tmp;
}
}
}

8
src/lsp/server.zig
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@@ -164,7 +164,7 @@ pub const Server = struct {
const doc = self.documents.get(file_path) orelse {
return try self.sendResponse(id_json, "null");
};
const sema = doc.sema orelse {
const sema = doc.sema orelse doc.last_good_sema orelse {
return try self.sendResponse(id_json, "null");
};
@@ -420,7 +420,9 @@ pub const Server = struct {
}
// Regular completion: all in-scope symbols + keywords
const sema = doc.sema orelse {
// Fall back to last successful analysis when current parse/analysis fails
// (common while user is mid-typing)
const sema = doc.sema orelse doc.last_good_sema orelse {
return try self.sendResponse(id_json, "[]");
};
@@ -490,7 +492,7 @@ pub const Server = struct {
var items = std.ArrayList(lsp.CompletionItem).empty;
if (extractDotPrefix(doc.source, cursor_offset)) |prefix| {
if (doc.sema) |sema| {
if (doc.sema orelse doc.last_good_sema) |sema| {
// Check if prefix is a namespace — offer imported doc's declarations
if (self.findImportByNs(doc, prefix)) |imp| {
if (self.documents.get(imp.path)) |imp_doc| {

65
src/sema.zig
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@@ -539,7 +539,19 @@ pub const Analyzer = struct {
fn analyzeParams(self: *Analyzer, params: []const ast.Param) !void {
for (params) |param| {
const param_type = Type.fromTypeExpr(param.type_expr);
self.resolveTypeRef(param.type_expr);
const param_type = Type.fromTypeExpr(param.type_expr) orelse blk: {
if (param.type_expr.data == .type_expr) {
const name = param.type_expr.data.type_expr.name;
const resolved = self.type_aliases.get(name) orelse name;
if (self.symbol_index.get(resolved)) |indices| {
for (indices.items) |idx| {
if (self.symbols.items[idx].ty) |ty| break :blk ty;
}
}
}
break :blk null;
};
try self.addSymbol(param.name, .param, param_type, param.name_span);
}
}
@@ -884,14 +896,63 @@ pub const Analyzer = struct {
const resolved = self.type_aliases.get(name) orelse name;
if (self.symbol_index.get(resolved)) |indices| {
for (indices.items) |idx| {
if (self.symbols.items[idx].ty) |ty| return ty;
if (self.symbols.items[idx].ty) |ty| {
// Register a reference so go-to-definition works on type names
self.tryAddReference(resolved, tn.span);
return ty;
}
}
}
}
// For compound types (pointers, slices, arrays), resolve inner type refs
self.resolveTypeRef(tn);
}
return null;
}
/// Try to create a reference for a name without emitting diagnostics.
/// Used for type names where missing symbols are expected (primitives, builtins).
fn tryAddReference(self: *Analyzer, name: []const u8, span: Span) void {
if (self.symbol_index.get(name)) |indices| {
var j = indices.items.len;
while (j > 0) {
j -= 1;
const idx = indices.items[j];
const sym = self.symbols.items[idx];
if (sym.scope_depth <= self.scope_depth) {
self.references.append(self.allocator, .{
.span = span,
.symbol_index = idx,
}) catch {};
return;
}
}
}
}
/// Create references for type expression nodes so go-to-definition works on type names.
/// Only resolves compound types (pointer/slice/array element types).
fn resolveTypeRef(self: *Analyzer, node: *Node) void {
switch (node.data) {
.type_expr => |te| {
self.tryAddReference(te.name, node.span);
},
.pointer_type_expr => |pte| {
self.resolveTypeRef(pte.pointee_type);
},
.many_pointer_type_expr => |mpte| {
self.resolveTypeRef(mpte.element_type);
},
.slice_type_expr => |ste| {
self.resolveTypeRef(ste.element_type);
},
.array_type_expr => |ate| {
self.resolveTypeRef(ate.element_type);
},
else => {},
}
}
fn inferValueType(value: *Node) ?Type {
return switch (value.data) {
.int_literal => Type.s(64),