extend default to s64
This commit is contained in:
345
src/codegen.zig
345
src/codegen.zig
@@ -58,6 +58,8 @@ pub const CodeGen = struct {
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namespaces: std.StringHashMap(void),
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// Functions declared with #builtin (only available when imported)
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builtin_functions: std.StringHashMap(void),
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// Function signatures: maps function name to display signature (e.g. "test :: () -> s32")
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fn_signatures: std.StringHashMap([]const u8),
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// Active namespace during body generation of imported modules
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current_namespace: ?[]const u8 = null,
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// Diagnostics list (optional, for structured error reporting)
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@@ -102,6 +104,7 @@ pub const CodeGen = struct {
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vector_cat,
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array_cat,
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slice_cat,
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pointer_cat,
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};
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const AnyTypeEntry = struct {
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@@ -181,6 +184,7 @@ pub const CodeGen = struct {
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.generic_struct_templates = std.StringHashMap(GenericStructTemplate).init(allocator),
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.namespaces = std.StringHashMap(void).init(allocator),
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.builtin_functions = std.StringHashMap(void).init(allocator),
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.fn_signatures = std.StringHashMap([]const u8).init(allocator),
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.variadic_functions = std.StringHashMap(VariadicInfo).init(allocator),
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.fn_param_types = std.StringHashMap([]const Type).init(allocator),
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.any_type_id_map = std.StringHashMap(u64).init(allocator),
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@@ -201,6 +205,7 @@ pub const CodeGen = struct {
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self.generic_struct_templates.deinit();
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self.namespaces.deinit();
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self.builtin_functions.deinit();
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self.fn_signatures.deinit();
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self.variadic_functions.deinit();
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self.any_type_id_map.deinit();
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self.any_type_entries.deinit();
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@@ -229,7 +234,7 @@ pub const CodeGen = struct {
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.void_type => c.LLVMVoidTypeInContext(self.context),
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.boolean => c.LLVMInt1TypeInContext(self.context),
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.string_type, .slice_type => self.getStringStructType(), // slices use same {ptr, i32} layout
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.enum_type => c.LLVMInt32TypeInContext(self.context),
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.enum_type => c.LLVMInt64TypeInContext(self.context),
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.struct_type => |name| if (self.struct_types.get(name)) |info| info.llvm_type else unreachable,
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.union_type => |name| if (self.union_types.get(name)) |info| info.llvm_type else unreachable,
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.array_type => |info| {
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@@ -249,7 +254,7 @@ pub const CodeGen = struct {
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fn getAnyStructType(self: *CodeGen) c.LLVMTypeRef {
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if (self.any_struct_type) |t| return t;
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var field_types = [_]c.LLVMTypeRef{
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c.LLVMInt32TypeInContext(self.context), // type tag
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c.LLVMInt64TypeInContext(self.context), // type tag
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c.LLVMInt64TypeInContext(self.context), // value (fits all primitives)
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};
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self.any_struct_type = c.LLVMStructTypeInContext(self.context, &field_types, 2, 0);
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@@ -285,6 +290,7 @@ pub const CodeGen = struct {
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.vector_type => .vector_cat,
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.array_type => .array_cat,
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.slice_type => .slice_cat,
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.pointer_type, .many_pointer_type => .pointer_cat,
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else => .struct_cat, // fallback
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};
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try self.any_type_entries.put(name, .{
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@@ -320,6 +326,8 @@ pub const CodeGen = struct {
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.vector_type => |info| _ = try self.getAnyTypeId(try std.fmt.allocPrint(self.allocator, "vec[{d}]{s}", .{ info.length, info.element_name }), sx_type),
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.array_type => |info| _ = try self.getAnyTypeId(try std.fmt.allocPrint(self.allocator, "[{d}]{s}", .{ info.length, info.element_name }), sx_type),
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.slice_type => |info| _ = try self.getAnyTypeId(try std.fmt.allocPrint(self.allocator, "[]{s}", .{info.element_name}), sx_type),
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.pointer_type => |info| _ = try self.getAnyTypeId(try std.fmt.allocPrint(self.allocator, "*{s}", .{info.pointee_name}), sx_type),
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.many_pointer_type => |info| _ = try self.getAnyTypeId(try std.fmt.allocPrint(self.allocator, "[*]{s}", .{info.element_name}), sx_type),
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else => {},
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}
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}
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@@ -329,7 +337,6 @@ pub const CodeGen = struct {
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/// Complex values (strings, structs, unions) are stored via pointer (alloca + ptr-to-int).
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fn buildAnyValue(self: *CodeGen, val: c.LLVMValueRef, ty: Type) !c.LLVMValueRef {
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const any_ty = self.getAnyStructType();
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const i32_ty = c.LLVMInt32TypeInContext(self.context);
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const i64_ty = c.LLVMInt64TypeInContext(self.context);
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const undef = c.LLVMGetUndef(any_ty);
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@@ -353,7 +360,7 @@ pub const CodeGen = struct {
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.meta_type => ANY_TAG_TYPE,
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else => ANY_TAG_S32,
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};
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const tag_val = c.LLVMConstInt(i32_ty, tag, 0);
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const tag_val = c.LLVMConstInt(i64_ty, tag, 0);
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const with_tag = c.LLVMBuildInsertValue(self.builder, undef, tag_val, 0, "any_tag");
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// Convert value to i64
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@@ -413,9 +420,12 @@ pub const CodeGen = struct {
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break :blk c.LLVMBuildPtrToInt(self.builder, alloca, i64_ty, "any_slice");
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},
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.pointer_type, .many_pointer_type => c.LLVMBuildPtrToInt(self.builder, val, i64_ty, "any_ptr"),
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.meta_type => blk: {
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// Meta type is a pointer (global string) — convert via ptrtoint
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break :blk c.LLVMBuildPtrToInt(self.builder, val, i64_ty, "any_type");
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.meta_type => |mt| blk: {
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// Meta type: wrap raw char ptr in string slice {ptr, len} for extraction
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const str_slice = self.buildStringSlice(val, mt.name.len);
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const alloca = c.LLVMBuildAlloca(self.builder, self.getStringStructType(), "any_type_tmp");
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_ = c.LLVMBuildStore(self.builder, str_slice, alloca);
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break :blk c.LLVMBuildPtrToInt(self.builder, alloca, i64_ty, "any_type");
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},
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else => c.LLVMBuildSExt(self.builder, val, i64_ty, "any_val"),
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};
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@@ -426,18 +436,18 @@ pub const CodeGen = struct {
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if (self.string_struct_type) |t| return t;
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var field_types = [_]c.LLVMTypeRef{
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c.LLVMPointerTypeInContext(self.context, 0), // ptr
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c.LLVMInt32TypeInContext(self.context), // len
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c.LLVMInt64TypeInContext(self.context), // len
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};
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self.string_struct_type = c.LLVMStructTypeInContext(self.context, &field_types, 2, 0);
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return self.string_struct_type.?;
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}
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/// Build a string slice {ptr, len} from a raw pointer and a constant length.
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fn buildStringSlice(self: *CodeGen, ptr: c.LLVMValueRef, len: u32) c.LLVMValueRef {
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fn buildStringSlice(self: *CodeGen, ptr: c.LLVMValueRef, len: u64) c.LLVMValueRef {
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const str_ty = self.getStringStructType();
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const undef = c.LLVMGetUndef(str_ty);
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const with_ptr = c.LLVMBuildInsertValue(self.builder, undef, ptr, 0, "str_ptr");
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const len_val = c.LLVMConstInt(c.LLVMInt32TypeInContext(self.context), len, 0);
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const len_val = c.LLVMConstInt(c.LLVMInt64TypeInContext(self.context), len, 0);
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return c.LLVMBuildInsertValue(self.builder, with_ptr, len_val, 1, "str_slice");
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}
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@@ -525,6 +535,7 @@ pub const CodeGen = struct {
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} else {
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try self.registerFnDecl(fd);
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}
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try self.fn_signatures.put(fd.name, self.buildFnSignature(fd));
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},
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.enum_decl => |ed| {
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try self.enum_types.put(ed.name, ed.variants);
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@@ -560,6 +571,14 @@ pub const CodeGen = struct {
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} else if (result_ty.isUnion()) {
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try self.type_aliases.put(cd.name, result_ty.union_type);
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}
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} else if (self.builtin_functions.contains(cn)) {
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// Builtin type function (e.g., Vector(4, f32), Array(5, s32))
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if (self.resolveBuiltinType(cn, cd.value.data.call.args)) |result_ty| {
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const display = try result_ty.displayName(self.allocator);
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try self.type_aliases.put(cd.name, display);
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} else {
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try self.registerTopLevelConstant(cd);
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}
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} else {
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try self.registerTopLevelConstant(cd);
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}
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@@ -727,6 +746,8 @@ pub const CodeGen = struct {
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break :blk self.buildStringSlice(ptr, @intCast(v.len));
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},
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.void_val => c.LLVMConstInt(c.LLVMInt32TypeInContext(self.context), 0, 0),
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.pointer_val => c.LLVMConstNull(c.LLVMPointerTypeInContext(self.context, 0)),
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.null_val => c.LLVMConstNull(c.LLVMPointerTypeInContext(self.context, 0)),
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.struct_val, .array_val, .type_val, .function_val => unreachable,
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};
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}
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@@ -1084,10 +1105,10 @@ pub const CodeGen = struct {
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const name_z = try self.allocator.dupeZ(u8, mangled_name);
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const union_ty = c.LLVMStructCreateNamed(self.context, name_z.ptr);
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const i32_ty = c.LLVMInt32TypeInContext(self.context);
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const i64_ty = c.LLVMInt64TypeInContext(self.context);
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const i8_ty = c.LLVMInt8TypeInContext(self.context);
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const payload_array_ty = c.LLVMArrayType2(i8_ty, max_payload_size);
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var fields = [2]c.LLVMTypeRef{ i32_ty, payload_array_ty };
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var fields = [2]c.LLVMTypeRef{ i64_ty, payload_array_ty };
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c.LLVMStructSetBody(union_ty, &fields, 2, 0);
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try self.union_types.put(mangled_name, .{
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@@ -1273,8 +1294,8 @@ pub const CodeGen = struct {
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// For function calls, look up the registered function's return type
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if (expr.data == .call) {
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if (self.resolveCalleeName(expr.data.call)) |callee_name| {
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const callee_name_z = self.allocator.dupeZ(u8, callee_name) catch return Type.s(32);
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const callee_fn = c.LLVMGetNamedFunction(self.module, callee_name_z.ptr) orelse return Type.s(32);
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const callee_name_z = self.allocator.dupeZ(u8, callee_name) catch return Type.s(64);
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const callee_fn = c.LLVMGetNamedFunction(self.module, callee_name_z.ptr) orelse return Type.s(64);
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const fn_type = c.LLVMGlobalGetValueType(callee_fn);
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const ret_llvm = c.LLVMGetReturnType(fn_type);
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return self.llvmTypeToSxType(ret_llvm);
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@@ -1315,7 +1336,7 @@ pub const CodeGen = struct {
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const elem_llvm = c.LLVMGetElementType(llvm_ty);
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const length: u32 = @intCast(c.LLVMGetArrayLength2(llvm_ty));
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const elem_ty = self.llvmTypeToSxType(elem_llvm);
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const elem_name = elem_ty.displayName(self.allocator) catch return Type.s(32);
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const elem_name = elem_ty.displayName(self.allocator) catch return Type.s(64);
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return .{ .array_type = .{ .element_name = elem_name, .length = length } };
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}
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// Check for vector types
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@@ -1323,10 +1344,10 @@ pub const CodeGen = struct {
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const elem_llvm = c.LLVMGetElementType(llvm_ty);
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const length = c.LLVMGetVectorSize(llvm_ty);
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const elem_ty = self.llvmTypeToSxType(elem_llvm);
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const elem_name = elem_ty.displayName(self.allocator) catch return Type.s(32);
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const elem_name = elem_ty.displayName(self.allocator) catch return Type.s(64);
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return .{ .vector_type = .{ .element_name = elem_name, .length = length } };
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}
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return Type.s(32);
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return Type.s(64);
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}
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fn registerComptimeGlobal(self: *CodeGen, name: []const u8, expr: *Node, type_override: ?Type) !void {
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@@ -1673,7 +1694,7 @@ pub const CodeGen = struct {
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if (vd.value) |val| {
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const meta_name = self.asTypeName(val);
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if (meta_name) |raw_name| {
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const type_name = self.resolveDisplayName(raw_name);
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const type_name = try self.allocator.dupeZ(u8, raw_name);
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const name_z = try self.allocator.dupeZ(u8, vd.name);
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const ptr_ty = c.LLVMPointerTypeInContext(self.context, 0);
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const alloca = c.LLVMBuildAlloca(self.builder, ptr_ty, name_z.ptr);
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@@ -1685,7 +1706,7 @@ pub const CodeGen = struct {
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}
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}
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var sx_ty: Type = Type.s(32);
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var sx_ty: Type = Type.s(64);
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if (vd.type_annotation) |ta| {
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sx_ty = self.resolveType(ta);
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@@ -1928,7 +1949,7 @@ pub const CodeGen = struct {
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return null;
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}
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var sx_ty: Type = Type.s(32);
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var sx_ty: Type = Type.s(64);
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if (cd.type_annotation) |ta| {
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sx_ty = self.resolveType(ta);
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@@ -1989,14 +2010,22 @@ pub const CodeGen = struct {
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return self.emitErrorFmt("undefined variable '{s}'", .{name});
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};
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// Meta type reassignment: x = Vec4 or x = f64
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// Meta type reassignment: x = Vec4, x = f64, x = test
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if (entry.ty == .meta_type and asgn.op == .assign) {
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if (self.asTypeName(asgn.value)) |raw_name| {
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const type_name = self.resolveDisplayName(raw_name);
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const raw_name = self.asTypeName(asgn.value) orelse blk: {
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// Also accept function names as meta_type values (use signature)
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if (asgn.value.data == .identifier) {
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const fn_name = asgn.value.data.identifier.name;
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if (self.fn_signatures.get(fn_name)) |sig| break :blk sig;
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}
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break :blk @as(?[]const u8, null);
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};
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if (raw_name) |rn| {
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const type_name = try self.allocator.dupeZ(u8, rn);
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const str_val = c.LLVMBuildGlobalStringPtr(self.builder, type_name.ptr, "type_name");
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_ = c.LLVMBuildStore(self.builder, str_val, entry.ptr);
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if (self.named_values.getPtr(name)) |entry_ptr| {
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entry_ptr.ty = .{ .meta_type = .{ .name = raw_name } };
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entry_ptr.ty = .{ .meta_type = .{ .name = rn } };
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}
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return null;
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}
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@@ -2258,8 +2287,8 @@ pub const CodeGen = struct {
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self.current_span = node.span;
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switch (node.data) {
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.int_literal => |lit| {
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const i32_type = c.LLVMInt32TypeInContext(self.context);
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return c.LLVMConstInt(i32_type, @bitCast(@as(i64, lit.value)), 0);
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const i64_type = c.LLVMInt64TypeInContext(self.context);
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return c.LLVMConstInt(i64_type, @bitCast(@as(i64, lit.value)), 0);
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},
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.float_literal => |lit| {
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const f32_type = c.LLVMFloatTypeInContext(self.context);
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@@ -2617,13 +2646,13 @@ pub const CodeGen = struct {
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}
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}
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// Union LLVM type: { i32, [max_payload_size x i8] }
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// Union LLVM type: { i64, [max_payload_size x i8] }
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const name_z = try self.allocator.dupeZ(u8, ud.name);
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const union_ty = c.LLVMStructCreateNamed(self.context, name_z.ptr);
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const i32_ty = c.LLVMInt32TypeInContext(self.context);
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const i64_ty = c.LLVMInt64TypeInContext(self.context);
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const i8_ty = c.LLVMInt8TypeInContext(self.context);
|
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const payload_array_ty = c.LLVMArrayType2(i8_ty, max_payload_size);
|
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var fields = [2]c.LLVMTypeRef{ i32_ty, payload_array_ty };
|
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var fields = [2]c.LLVMTypeRef{ i64_ty, payload_array_ty };
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c.LLVMStructSetBody(union_ty, &fields, 2, 0);
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try self.union_types.put(ud.name, .{
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@@ -2654,11 +2683,11 @@ pub const CodeGen = struct {
|
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|
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// Alloca union
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const alloca = c.LLVMBuildAlloca(self.builder, info.llvm_type, "union_tmp");
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const i32_ty = c.LLVMInt32TypeInContext(self.context);
|
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const i64_ty = c.LLVMInt64TypeInContext(self.context);
|
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|
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// Store tag (field 0)
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const tag_gep = c.LLVMBuildStructGEP2(self.builder, info.llvm_type, alloca, 0, "tag");
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_ = c.LLVMBuildStore(self.builder, c.LLVMConstInt(i32_ty, idx, 0), tag_gep);
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_ = c.LLVMBuildStore(self.builder, c.LLVMConstInt(i64_ty, idx, 0), tag_gep);
|
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|
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// Store payload (field 1) if not void
|
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if (ul.payload) |payload_node| {
|
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@@ -2790,14 +2819,14 @@ pub const CodeGen = struct {
|
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}
|
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|
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// Build slice {ptr, len}
|
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const i32_ty = c.LLVMInt32TypeInContext(self.context);
|
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const zero = c.LLVMConstInt(i32_ty, 0, 0);
|
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const i64_ty = c.LLVMInt64TypeInContext(self.context);
|
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const zero = c.LLVMConstInt(i64_ty, 0, 0);
|
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var gep_indices = [_]c.LLVMValueRef{ zero, zero };
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const elem_ptr = c.LLVMBuildGEP2(self.builder, llvm_arr_ty, arr_alloca, &gep_indices, 2, "slice_data");
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const slice_llvm_ty = self.getStringStructType();
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var slice_val = c.LLVMGetUndef(slice_llvm_ty);
|
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slice_val = c.LLVMBuildInsertValue(self.builder, slice_val, elem_ptr, 0, "slice_ptr");
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const len_val = c.LLVMConstInt(i32_ty, n, 0);
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const len_val = c.LLVMConstInt(i64_ty, n, 0);
|
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slice_val = c.LLVMBuildInsertValue(self.builder, slice_val, len_val, 1, "slice_len");
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return slice_val;
|
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}
|
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@@ -2942,15 +2971,15 @@ pub const CodeGen = struct {
|
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break :blk try self.genExpr(node);
|
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};
|
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// GEP to get pointer to first element
|
||||
const i32_ty = c.LLVMInt32TypeInContext(self.context);
|
||||
const zero = c.LLVMConstInt(i32_ty, 0, 0);
|
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const i64_ty = c.LLVMInt64TypeInContext(self.context);
|
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const zero = c.LLVMConstInt(i64_ty, 0, 0);
|
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var indices = [_]c.LLVMValueRef{ zero, zero };
|
||||
const elem_ptr = c.LLVMBuildGEP2(self.builder, self.typeToLLVM(src_ty), arr_alloca, &indices, 2, "arr_data");
|
||||
// Build slice struct {ptr, len}
|
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const slice_ty = self.getStringStructType();
|
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var slice_val = c.LLVMGetUndef(slice_ty);
|
||||
slice_val = c.LLVMBuildInsertValue(self.builder, slice_val, elem_ptr, 0, "slice_ptr");
|
||||
const len_val = c.LLVMConstInt(i32_ty, arr_info.length, 0);
|
||||
const len_val = c.LLVMConstInt(i64_ty, arr_info.length, 0);
|
||||
slice_val = c.LLVMBuildInsertValue(self.builder, slice_val, len_val, 1, "slice_len");
|
||||
return slice_val;
|
||||
}
|
||||
@@ -3022,7 +3051,7 @@ pub const CodeGen = struct {
|
||||
}
|
||||
}
|
||||
if (target_ty.isEnum()) {
|
||||
return c.LLVMBuildTrunc(self.builder, i64_val, c.LLVMInt32TypeInContext(self.context), "any_to_enum");
|
||||
return i64_val;
|
||||
}
|
||||
if (target_ty.isUnion()) {
|
||||
const uname = target_ty.union_type;
|
||||
@@ -3031,6 +3060,9 @@ pub const CodeGen = struct {
|
||||
return c.LLVMBuildLoad2(self.builder, info.llvm_type, ptr, "any_to_union");
|
||||
}
|
||||
}
|
||||
if (target_ty.isPointer() or target_ty.isManyPointer()) {
|
||||
return c.LLVMBuildIntToPtr(self.builder, i64_val, c.LLVMPointerTypeInContext(self.context, 0), "any_to_ptr");
|
||||
}
|
||||
return i64_val;
|
||||
}
|
||||
|
||||
@@ -3061,6 +3093,15 @@ pub const CodeGen = struct {
|
||||
}
|
||||
}
|
||||
|
||||
// Pointer → int: PtrToInt
|
||||
if ((src_ty.isPointer() or src_ty.isManyPointer()) and target_ty.isInt()) {
|
||||
const as_i64 = c.LLVMBuildPtrToInt(self.builder, val, c.LLVMInt64TypeInContext(self.context), "ptrtoint");
|
||||
if (target_ty.bitWidth() < 64) {
|
||||
return c.LLVMBuildTrunc(self.builder, as_i64, target_llvm, "ptr_trunc");
|
||||
}
|
||||
return as_i64;
|
||||
}
|
||||
|
||||
// Union → int: extract the tag field (index 0)
|
||||
if (src_ty.isUnion() and target_ty.isInt()) {
|
||||
const uname = src_ty.union_type;
|
||||
@@ -3149,19 +3190,19 @@ pub const CodeGen = struct {
|
||||
if (call_node.args.len != 1) return self.emitError("size_of expects exactly 1 argument");
|
||||
const ty = self.resolveType(call_node.args[0]);
|
||||
if (std.meta.eql(ty, Type.void_type)) {
|
||||
return c.LLVMConstInt(c.LLVMInt32TypeInContext(self.context), 0, 0);
|
||||
return c.LLVMConstInt(c.LLVMInt64TypeInContext(self.context), 0, 0);
|
||||
}
|
||||
const llvm_ty = self.typeToLLVM(ty);
|
||||
const data_layout = c.LLVMGetModuleDataLayout(self.module);
|
||||
const size = c.LLVMStoreSizeOfType(data_layout, llvm_ty);
|
||||
return c.LLVMConstInt(c.LLVMInt32TypeInContext(self.context), size, 0);
|
||||
return c.LLVMConstInt(c.LLVMInt64TypeInContext(self.context), size, 0);
|
||||
}
|
||||
|
||||
fn genTypeOf(self: *CodeGen, call_node: ast.Call) !c.LLVMValueRef {
|
||||
if (call_node.args.len != 1) return self.emitError("type_of expects exactly 1 argument");
|
||||
const arg = call_node.args[0];
|
||||
const arg_ty = self.inferType(arg);
|
||||
const i32_ty = c.LLVMInt32TypeInContext(self.context);
|
||||
const i64_ty = c.LLVMInt64TypeInContext(self.context);
|
||||
|
||||
// For Any values: extract the runtime tag (field 0)
|
||||
if (arg_ty.isAny()) {
|
||||
@@ -3184,7 +3225,7 @@ pub const CodeGen = struct {
|
||||
.meta_type => ANY_TAG_TYPE,
|
||||
else => ANY_TAG_S32,
|
||||
};
|
||||
return c.LLVMConstInt(i32_ty, tag, 0);
|
||||
return c.LLVMConstInt(i64_ty, tag, 0);
|
||||
}
|
||||
|
||||
fn genTypeName(self: *CodeGen, call_node: ast.Call) !c.LLVMValueRef {
|
||||
@@ -3197,27 +3238,27 @@ pub const CodeGen = struct {
|
||||
fn genFieldCount(self: *CodeGen, call_node: ast.Call) !c.LLVMValueRef {
|
||||
if (call_node.args.len != 1) return self.emitError("field_count expects exactly 1 argument");
|
||||
const ty = self.resolveType(call_node.args[0]);
|
||||
const i32_ty = c.LLVMInt32TypeInContext(self.context);
|
||||
const i64_ty = c.LLVMInt64TypeInContext(self.context);
|
||||
if (ty.isStruct()) {
|
||||
const info = self.struct_types.get(ty.struct_type) orelse
|
||||
return self.emitErrorFmt("unknown struct type '{s}'", .{ty.struct_type});
|
||||
return c.LLVMConstInt(i32_ty, info.field_names.len, 0);
|
||||
return c.LLVMConstInt(i64_ty, info.field_names.len, 0);
|
||||
}
|
||||
if (ty.isEnum()) {
|
||||
const variants = self.enum_types.get(ty.enum_type) orelse
|
||||
return self.emitErrorFmt("unknown enum type '{s}'", .{ty.enum_type});
|
||||
return c.LLVMConstInt(i32_ty, variants.len, 0);
|
||||
return c.LLVMConstInt(i64_ty, variants.len, 0);
|
||||
}
|
||||
if (ty.isVector()) {
|
||||
return c.LLVMConstInt(i32_ty, ty.vector_type.length, 0);
|
||||
return c.LLVMConstInt(i64_ty, ty.vector_type.length, 0);
|
||||
}
|
||||
if (ty.isUnion()) {
|
||||
const info = self.union_types.get(ty.union_type) orelse
|
||||
return self.emitErrorFmt("unknown union type '{s}'", .{ty.union_type});
|
||||
return c.LLVMConstInt(i32_ty, info.variant_names.len, 0);
|
||||
return c.LLVMConstInt(i64_ty, info.variant_names.len, 0);
|
||||
}
|
||||
if (ty.isArray()) {
|
||||
return c.LLVMConstInt(i32_ty, ty.array_type.length, 0);
|
||||
return c.LLVMConstInt(i64_ty, ty.array_type.length, 0);
|
||||
}
|
||||
return self.emitError("field_count requires a struct, enum, vector, union, or array type");
|
||||
}
|
||||
@@ -3294,7 +3335,7 @@ pub const CodeGen = struct {
|
||||
|
||||
// Read tag (field 0)
|
||||
const tag_ptr = c.LLVMBuildStructGEP2(self.builder, uinfo.llvm_type, union_alloca, 0, "fv_tag_ptr");
|
||||
const tag_val = c.LLVMBuildLoad2(self.builder, c.LLVMInt32TypeInContext(self.context), tag_ptr, "fv_tag");
|
||||
const tag_val = c.LLVMBuildLoad2(self.builder, c.LLVMInt64TypeInContext(self.context), tag_ptr, "fv_tag");
|
||||
const payload_ptr = c.LLVMBuildStructGEP2(self.builder, uinfo.llvm_type, union_alloca, 1, "fv_payload_ptr");
|
||||
|
||||
const n = uinfo.variant_names.len;
|
||||
@@ -3309,13 +3350,13 @@ pub const CodeGen = struct {
|
||||
|
||||
for (uinfo.variant_types, 0..) |vty, vi| {
|
||||
const case_bb = c.LLVMAppendBasicBlockInContext(self.context, function, "fv_ucase");
|
||||
c.LLVMAddCase(sw, c.LLVMConstInt(c.LLVMInt32TypeInContext(self.context), @intCast(vi), 0), case_bb);
|
||||
c.LLVMAddCase(sw, c.LLVMConstInt(c.LLVMInt64TypeInContext(self.context), @intCast(vi), 0), case_bb);
|
||||
c.LLVMPositionBuilderAtEnd(self.builder, case_bb);
|
||||
|
||||
const any_val = if (vty == .void_type) blk: {
|
||||
// Void variant: return Any with void tag
|
||||
const undef = c.LLVMGetUndef(any_ty);
|
||||
const void_tag = c.LLVMConstInt(c.LLVMInt32TypeInContext(self.context), ANY_TAG_VOID, 0);
|
||||
const void_tag = c.LLVMConstInt(c.LLVMInt64TypeInContext(self.context), ANY_TAG_VOID, 0);
|
||||
const with_tag = c.LLVMBuildInsertValue(self.builder, undef, void_tag, 0, "void_tag");
|
||||
const zero_val = c.LLVMConstInt(c.LLVMInt64TypeInContext(self.context), 0, 0);
|
||||
break :blk c.LLVMBuildInsertValue(self.builder, with_tag, zero_val, 1, "void_any");
|
||||
@@ -3403,7 +3444,7 @@ pub const CodeGen = struct {
|
||||
|
||||
for (0..n) |i| {
|
||||
const case_bb = c.LLVMAppendBasicBlockInContext(self.context, function, "fv_case");
|
||||
const case_val = c.LLVMConstInt(c.LLVMInt32TypeInContext(self.context), i, 0);
|
||||
const case_val = c.LLVMConstInt(c.LLVMInt64TypeInContext(self.context), i, 0);
|
||||
c.LLVMAddCase(sw, case_val, case_bb);
|
||||
|
||||
c.LLVMPositionBuilderAtEnd(self.builder, case_bb);
|
||||
@@ -3444,11 +3485,9 @@ pub const CodeGen = struct {
|
||||
const builtins = self.builtins orelse return self.emitError("builtins not available (missing #builtin import)");
|
||||
const size_val = try self.genExpr(args[0]);
|
||||
const i64_type = c.LLVMInt64TypeInContext(self.context);
|
||||
// Extend size to i64 for calloc
|
||||
const size_i64 = c.LLVMBuildSExt(self.builder, size_val, i64_type, "size64");
|
||||
// calloc(size + 1, 1) — extra byte for null terminator
|
||||
const one_i64 = c.LLVMConstInt(i64_type, 1, 0);
|
||||
const size_plus_one = c.LLVMBuildAdd(self.builder, size_i64, one_i64, "szp1");
|
||||
const size_plus_one = c.LLVMBuildAdd(self.builder, size_val, one_i64, "szp1");
|
||||
const calloc_fn = builtins.calloc_fn;
|
||||
const calloc_ty = c.LLVMGlobalGetValueType(calloc_fn);
|
||||
var calloc_args = [_]c.LLVMValueRef{ size_plus_one, one_i64 };
|
||||
@@ -3549,7 +3588,7 @@ pub const CodeGen = struct {
|
||||
}
|
||||
if (entry.ty.isArray()) {
|
||||
if (std.mem.eql(u8, fa.field, "len")) {
|
||||
return c.LLVMConstInt(c.LLVMInt32TypeInContext(self.context), entry.ty.array_type.length, 0);
|
||||
return c.LLVMConstInt(c.LLVMInt64TypeInContext(self.context), entry.ty.array_type.length, 0);
|
||||
}
|
||||
return self.emitErrorFmt("no field '{s}' on array (available: .len)", .{fa.field});
|
||||
}
|
||||
@@ -3623,15 +3662,14 @@ pub const CodeGen = struct {
|
||||
}
|
||||
}
|
||||
if (obj_ty == .string_type) {
|
||||
// String indexing: extract ptr from slice, GEP + load i8 + zext to i32
|
||||
// String indexing: extract ptr from slice, GEP + load u8
|
||||
const str_val = try self.genExpr(ie.object);
|
||||
const ptr = c.LLVMBuildExtractValue(self.builder, str_val, 0, "str_ptr");
|
||||
const idx = try self.genExpr(ie.index);
|
||||
const i8_type = c.LLVMInt8TypeInContext(self.context);
|
||||
var gep_indices = [_]c.LLVMValueRef{idx};
|
||||
const gep = c.LLVMBuildGEP2(self.builder, i8_type, ptr, &gep_indices, 1, "stridx");
|
||||
const byte = c.LLVMBuildLoad2(self.builder, i8_type, gep, "byte");
|
||||
return c.LLVMBuildZExt(self.builder, byte, c.LLVMInt32TypeInContext(self.context), "char");
|
||||
return c.LLVMBuildLoad2(self.builder, i8_type, gep, "byte");
|
||||
}
|
||||
if (obj_ty.isSlice()) {
|
||||
// Slice indexing: extract ptr, GEP with element type, load
|
||||
@@ -3672,8 +3710,8 @@ pub const CodeGen = struct {
|
||||
|
||||
fn genSliceExpr(self: *CodeGen, se: ast.SliceExpr) !c.LLVMValueRef {
|
||||
const obj_ty = self.inferType(se.object);
|
||||
const i32_ty = c.LLVMInt32TypeInContext(self.context);
|
||||
const zero = c.LLVMConstInt(i32_ty, 0, 0);
|
||||
const i64_ty = c.LLVMInt64TypeInContext(self.context);
|
||||
const zero = c.LLVMConstInt(i64_ty, 0, 0);
|
||||
const slice_struct_ty = self.getStringStructType();
|
||||
|
||||
// Resolve start (default: 0)
|
||||
@@ -3682,7 +3720,7 @@ pub const CodeGen = struct {
|
||||
if (obj_ty.isArray()) {
|
||||
const arr_info = obj_ty.array_type;
|
||||
// Resolve end (default: array length)
|
||||
const end_val = if (se.end) |e| try self.genExpr(e) else c.LLVMConstInt(i32_ty, arr_info.length, 0);
|
||||
const end_val = if (se.end) |e| try self.genExpr(e) else c.LLVMConstInt(i64_ty, arr_info.length, 0);
|
||||
// Get array alloca
|
||||
const arr_ptr = blk: {
|
||||
if (se.object.data == .identifier) {
|
||||
@@ -4042,7 +4080,7 @@ pub const CodeGen = struct {
|
||||
}
|
||||
}
|
||||
// Pack variadic args into a slice {ptr, len}
|
||||
const elem_ty = Type.fromName(vi.element_type_name) orelse Type.s(32);
|
||||
const elem_ty = Type.fromName(vi.element_type_name) orelse Type.s(64);
|
||||
const elem_llvm_ty = self.typeToLLVM(elem_ty);
|
||||
const var_arg_count = if (call_node.args.len > fixed_count) call_node.args.len - fixed_count else 0;
|
||||
|
||||
@@ -4056,10 +4094,10 @@ pub const CodeGen = struct {
|
||||
if (spread_operand.data == .identifier) {
|
||||
if (self.named_values.get(spread_operand.data.identifier.name)) |entry| {
|
||||
const arr_llvm_ty = self.typeToLLVM(spread_ty);
|
||||
const zero = c.LLVMConstInt(c.LLVMInt32TypeInContext(self.context), 0, 0);
|
||||
const zero = c.LLVMConstInt(c.LLVMInt64TypeInContext(self.context), 0, 0);
|
||||
var ptr_indices = [_]c.LLVMValueRef{ zero, zero };
|
||||
const arr_ptr = c.LLVMBuildGEP2(self.builder, arr_llvm_ty, entry.ptr, &ptr_indices, 2, "spread_ptr");
|
||||
const len_val = c.LLVMConstInt(c.LLVMInt32TypeInContext(self.context), arr_info.length, 0);
|
||||
const len_val = c.LLVMConstInt(c.LLVMInt64TypeInContext(self.context), arr_info.length, 0);
|
||||
const slice_val = self.buildStringSliceRT(arr_ptr, len_val);
|
||||
try arg_vals.append(self.allocator, slice_val);
|
||||
} else {
|
||||
@@ -4094,16 +4132,16 @@ pub const CodeGen = struct {
|
||||
_ = c.LLVMBuildStore(self.builder, arg_val, gep);
|
||||
}
|
||||
// Build slice: {ptr, len}
|
||||
const zero = c.LLVMConstInt(c.LLVMInt32TypeInContext(self.context), 0, 0);
|
||||
const zero = c.LLVMConstInt(c.LLVMInt64TypeInContext(self.context), 0, 0);
|
||||
var ptr_indices = [_]c.LLVMValueRef{ zero, zero };
|
||||
const arr_ptr = c.LLVMBuildGEP2(self.builder, arr_ty, arr_alloca, &ptr_indices, 2, "varargs_ptr");
|
||||
const len_val = c.LLVMConstInt(c.LLVMInt32TypeInContext(self.context), @intCast(var_arg_count), 0);
|
||||
const len_val = c.LLVMConstInt(c.LLVMInt64TypeInContext(self.context), @intCast(var_arg_count), 0);
|
||||
const slice_val = self.buildStringSliceRT(arr_ptr, len_val);
|
||||
try arg_vals.append(self.allocator, slice_val);
|
||||
} else {
|
||||
// Zero variadic args: pass empty slice {null, 0}
|
||||
const null_ptr = c.LLVMConstNull(c.LLVMPointerTypeInContext(self.context, 0));
|
||||
const zero_len = c.LLVMConstInt(c.LLVMInt32TypeInContext(self.context), 0, 0);
|
||||
const zero_len = c.LLVMConstInt(c.LLVMInt64TypeInContext(self.context), 0, 0);
|
||||
const slice_val = self.buildStringSliceRT(null_ptr, zero_len);
|
||||
try arg_vals.append(self.allocator, slice_val);
|
||||
}
|
||||
@@ -4466,7 +4504,7 @@ pub const CodeGen = struct {
|
||||
|
||||
// Create case BB
|
||||
const case_bb = c.LLVMAppendBasicBlockInContext(self.context, function, "dispatch_case");
|
||||
c.LLVMAddCase(sw, c.LLVMConstInt(c.LLVMInt32TypeInContext(self.context), tag, 0), case_bb);
|
||||
c.LLVMAddCase(sw, c.LLVMConstInt(c.LLVMInt64TypeInContext(self.context), tag, 0), case_bb);
|
||||
c.LLVMPositionBuilderAtEnd(self.builder, case_bb);
|
||||
|
||||
// Convert Any payload to the concrete type
|
||||
@@ -4594,7 +4632,7 @@ pub const CodeGen = struct {
|
||||
const ptr = c.LLVMBuildIntToPtr(self.builder, any_i64, c.LLVMPointerTypeInContext(self.context, 0), "any_to_struct_ptr");
|
||||
break :blk c.LLVMBuildLoad2(self.builder, info.llvm_type, ptr, "any_to_struct");
|
||||
},
|
||||
.enum_type => c.LLVMBuildTrunc(self.builder, any_i64, c.LLVMInt32TypeInContext(self.context), "any_to_enum"),
|
||||
.enum_type => any_i64,
|
||||
.union_type => |uname| blk: {
|
||||
const info = self.union_types.get(uname) orelse return self.emitErrorFmt("unknown union '{s}'", .{uname});
|
||||
const ptr = c.LLVMBuildIntToPtr(self.builder, any_i64, c.LLVMPointerTypeInContext(self.context, 0), "any_to_union_ptr");
|
||||
@@ -4609,7 +4647,8 @@ pub const CodeGen = struct {
|
||||
const ptr = c.LLVMBuildIntToPtr(self.builder, any_i64, c.LLVMPointerTypeInContext(self.context, 0), "any_to_slice_ptr");
|
||||
break :blk c.LLVMBuildLoad2(self.builder, self.getStringStructType(), ptr, "any_to_slice");
|
||||
},
|
||||
else => c.LLVMBuildTrunc(self.builder, any_i64, c.LLVMInt32TypeInContext(self.context), "any_to_default"),
|
||||
.pointer_type, .many_pointer_type => c.LLVMBuildIntToPtr(self.builder, any_i64, c.LLVMPointerTypeInContext(self.context, 0), "any_to_ptr"),
|
||||
else => any_i64,
|
||||
};
|
||||
}
|
||||
|
||||
@@ -4869,19 +4908,19 @@ pub const CodeGen = struct {
|
||||
|
||||
fn genForExpr(self: *CodeGen, for_expr: ast.ForExpr) !c.LLVMValueRef {
|
||||
const function = self.current_function;
|
||||
const i32_type = c.LLVMInt32TypeInContext(self.context);
|
||||
const i64_type = c.LLVMInt64TypeInContext(self.context);
|
||||
|
||||
// Determine iterable type and get length + element access info
|
||||
const iter_ty = self.inferType(for_expr.iterable);
|
||||
var len_val: c.LLVMValueRef = undefined;
|
||||
var elem_ty: Type = Type.s(32);
|
||||
var elem_ty: Type = Type.s(64);
|
||||
var iter_ptr: c.LLVMValueRef = undefined; // pointer to data
|
||||
var is_slice = false;
|
||||
|
||||
if (iter_ty.isSlice()) {
|
||||
is_slice = true;
|
||||
const info = iter_ty.slice_type;
|
||||
elem_ty = Type.fromName(info.element_name) orelse Type.s(32);
|
||||
elem_ty = Type.fromName(info.element_name) orelse Type.s(64);
|
||||
// Load slice value from alloca
|
||||
if (for_expr.iterable.data == .identifier) {
|
||||
if (self.named_values.get(for_expr.iterable.data.identifier.name)) |entry| {
|
||||
@@ -4892,8 +4931,8 @@ pub const CodeGen = struct {
|
||||
} else return self.emitError("for: slice iterable must be a variable");
|
||||
} else if (iter_ty.isArray()) {
|
||||
const info = iter_ty.array_type;
|
||||
elem_ty = Type.fromName(info.element_name) orelse Type.s(32);
|
||||
len_val = c.LLVMConstInt(i32_type, info.length, 0);
|
||||
elem_ty = Type.fromName(info.element_name) orelse Type.s(64);
|
||||
len_val = c.LLVMConstInt(i64_type, info.length, 0);
|
||||
// Get pointer to array
|
||||
if (for_expr.iterable.data == .identifier) {
|
||||
if (self.named_values.get(for_expr.iterable.data.identifier.name)) |entry| {
|
||||
@@ -4906,15 +4945,15 @@ pub const CodeGen = struct {
|
||||
|
||||
const elem_llvm_ty = self.typeToLLVM(elem_ty);
|
||||
|
||||
// Allocate it_index (s32) and it (element type)
|
||||
const idx_alloca = c.LLVMBuildAlloca(self.builder, i32_type, "it_index");
|
||||
_ = c.LLVMBuildStore(self.builder, c.LLVMConstInt(i32_type, 0, 0), idx_alloca);
|
||||
// Allocate it_index (s64) and it (element type)
|
||||
const idx_alloca = c.LLVMBuildAlloca(self.builder, i64_type, "it_index");
|
||||
_ = c.LLVMBuildStore(self.builder, c.LLVMConstInt(i64_type, 0, 0), idx_alloca);
|
||||
const it_alloca = c.LLVMBuildAlloca(self.builder, elem_llvm_ty, "it");
|
||||
|
||||
// Push scope and bind it, it_index
|
||||
try self.pushScope();
|
||||
try self.named_values.put("it", .{ .ptr = it_alloca, .ty = elem_ty });
|
||||
try self.named_values.put("it_index", .{ .ptr = idx_alloca, .ty = Type.s(32) });
|
||||
try self.named_values.put("it_index", .{ .ptr = idx_alloca, .ty = Type.s(64) });
|
||||
|
||||
// Create basic blocks
|
||||
const cond_bb = c.LLVMAppendBasicBlockInContext(self.context, function, "for.cond");
|
||||
@@ -4925,13 +4964,13 @@ pub const CodeGen = struct {
|
||||
|
||||
// Condition: it_index < len
|
||||
c.LLVMPositionBuilderAtEnd(self.builder, cond_bb);
|
||||
const cur_idx = c.LLVMBuildLoad2(self.builder, i32_type, idx_alloca, "cur_idx");
|
||||
const cur_idx = c.LLVMBuildLoad2(self.builder, i64_type, idx_alloca, "cur_idx");
|
||||
const cond_val = c.LLVMBuildICmp(self.builder, c.LLVMIntSLT, cur_idx, len_val, "for_cond");
|
||||
_ = c.LLVMBuildCondBr(self.builder, cond_val, body_bb, after_bb);
|
||||
|
||||
// Body: load it = iterable[it_index], then execute body
|
||||
c.LLVMPositionBuilderAtEnd(self.builder, body_bb);
|
||||
const body_idx = c.LLVMBuildLoad2(self.builder, i32_type, idx_alloca, "body_idx");
|
||||
const body_idx = c.LLVMBuildLoad2(self.builder, i64_type, idx_alloca, "body_idx");
|
||||
|
||||
if (is_slice) {
|
||||
// Slice: GEP through data pointer
|
||||
@@ -4942,7 +4981,7 @@ pub const CodeGen = struct {
|
||||
} else {
|
||||
// Array: GEP with [0, idx]
|
||||
const arr_llvm_ty = self.typeToLLVM(iter_ty);
|
||||
const zero = c.LLVMConstInt(i32_type, 0, 0);
|
||||
const zero = c.LLVMConstInt(i64_type, 0, 0);
|
||||
var indices = [_]c.LLVMValueRef{ zero, body_idx };
|
||||
const gep = c.LLVMBuildGEP2(self.builder, arr_llvm_ty, iter_ptr, &indices, 2, "for_elem");
|
||||
const elem_val = c.LLVMBuildLoad2(self.builder, elem_llvm_ty, gep, "it_val");
|
||||
@@ -4963,8 +5002,8 @@ pub const CodeGen = struct {
|
||||
// Increment it_index
|
||||
const current_bb = c.LLVMGetInsertBlock(self.builder);
|
||||
if (c.LLVMGetBasicBlockTerminator(current_bb) == null) {
|
||||
const inc_idx = c.LLVMBuildLoad2(self.builder, i32_type, idx_alloca, "inc_idx");
|
||||
const next_idx = c.LLVMBuildAdd(self.builder, inc_idx, c.LLVMConstInt(i32_type, 1, 0), "next_idx");
|
||||
const inc_idx = c.LLVMBuildLoad2(self.builder, i64_type, idx_alloca, "inc_idx");
|
||||
const next_idx = c.LLVMBuildAdd(self.builder, inc_idx, c.LLVMConstInt(i64_type, 1, 0), "next_idx");
|
||||
_ = c.LLVMBuildStore(self.builder, next_idx, idx_alloca);
|
||||
_ = c.LLVMBuildBr(self.builder, cond_bb);
|
||||
}
|
||||
@@ -4977,14 +5016,14 @@ pub const CodeGen = struct {
|
||||
}
|
||||
|
||||
fn genEnumLiteral(self: *CodeGen, variant_name: []const u8, enum_type_name: []const u8) c.LLVMValueRef {
|
||||
const i32_type = c.LLVMInt32TypeInContext(self.context);
|
||||
const variants = self.enum_types.get(enum_type_name) orelse return c.LLVMConstInt(i32_type, 0, 0);
|
||||
const i64_type = c.LLVMInt64TypeInContext(self.context);
|
||||
const variants = self.enum_types.get(enum_type_name) orelse return c.LLVMConstInt(i64_type, 0, 0);
|
||||
for (variants, 0..) |v, i| {
|
||||
if (std.mem.eql(u8, v, variant_name)) {
|
||||
return c.LLVMConstInt(i32_type, @intCast(i), 0);
|
||||
return c.LLVMConstInt(i64_type, @intCast(i), 0);
|
||||
}
|
||||
}
|
||||
return c.LLVMConstInt(i32_type, 0, 0);
|
||||
return c.LLVMConstInt(i64_type, 0, 0);
|
||||
}
|
||||
|
||||
fn lookupVariantIndex(variants: ?[]const []const u8, name: []const u8) u64 {
|
||||
@@ -5013,7 +5052,7 @@ pub const CodeGen = struct {
|
||||
const entry = self.named_values.get(match.subject.data.identifier.name).?;
|
||||
const info = self.union_types.get(union_name.?).?;
|
||||
const tag_gep = c.LLVMBuildStructGEP2(self.builder, info.llvm_type, entry.ptr, 0, "tag");
|
||||
break :blk c.LLVMBuildLoad2(self.builder, c.LLVMInt32TypeInContext(self.context), tag_gep, "tag_val");
|
||||
break :blk c.LLVMBuildLoad2(self.builder, c.LLVMInt64TypeInContext(self.context), tag_gep, "tag_val");
|
||||
} else try self.genExpr(match.subject);
|
||||
|
||||
const variants: ?[]const []const u8 = if (union_name) |un|
|
||||
@@ -5024,7 +5063,7 @@ pub const CodeGen = struct {
|
||||
null;
|
||||
|
||||
const function = self.current_function;
|
||||
const i32_type = c.LLVMInt32TypeInContext(self.context);
|
||||
const i64_type = c.LLVMInt64TypeInContext(self.context);
|
||||
const merge_bb = c.LLVMAppendBasicBlockInContext(self.context, function, "match_end");
|
||||
|
||||
// Create case basic blocks
|
||||
@@ -5052,19 +5091,19 @@ pub const CodeGen = struct {
|
||||
const pat = arm.pattern orelse continue; // skip else arm
|
||||
if (pat.data == .enum_literal) {
|
||||
const idx = lookupVariantIndex(variants, pat.data.enum_literal.name);
|
||||
const case_val = c.LLVMConstInt(i32_type, idx, 0);
|
||||
const case_val = c.LLVMConstInt(i64_type, idx, 0);
|
||||
c.LLVMAddCase(sw, case_val, case_bbs.items[i]);
|
||||
} else if (pat.data == .type_expr) {
|
||||
// Type-match: resolve type name to Any tag value(s)
|
||||
const tag_values = try self.resolveTypeMatchTags(pat.data.type_expr.name);
|
||||
for (tag_values) |tag| {
|
||||
c.LLVMAddCase(sw, c.LLVMConstInt(i32_type, tag, 0), case_bbs.items[i]);
|
||||
c.LLVMAddCase(sw, c.LLVMConstInt(i64_type, tag, 0), case_bbs.items[i]);
|
||||
}
|
||||
} else if (pat.data == .identifier) {
|
||||
// Named type (struct/enum/union name) or category (int/float)
|
||||
const tag_values = try self.resolveTypeMatchTags(pat.data.identifier.name);
|
||||
for (tag_values) |tag| {
|
||||
c.LLVMAddCase(sw, c.LLVMConstInt(i32_type, tag, 0), case_bbs.items[i]);
|
||||
c.LLVMAddCase(sw, c.LLVMConstInt(i64_type, tag, 0), case_bbs.items[i]);
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -5179,6 +5218,8 @@ pub const CodeGen = struct {
|
||||
.array_cat
|
||||
else if (std.mem.eql(u8, name, "slice"))
|
||||
.slice_cat
|
||||
else if (std.mem.eql(u8, name, "pointer"))
|
||||
.pointer_cat
|
||||
else
|
||||
null;
|
||||
if (category) |cat| {
|
||||
@@ -5208,7 +5249,7 @@ pub const CodeGen = struct {
|
||||
ANY_TAG_F64
|
||||
else if (std.mem.eql(u8, name, "string"))
|
||||
ANY_TAG_STRING
|
||||
else if (std.mem.eql(u8, name, "Type"))
|
||||
else if (std.mem.eql(u8, name, "Type") or std.mem.eql(u8, name, "type"))
|
||||
ANY_TAG_TYPE
|
||||
else if (std.mem.eql(u8, name, "void"))
|
||||
ANY_TAG_VOID
|
||||
@@ -5303,7 +5344,9 @@ pub const CodeGen = struct {
|
||||
const val = try self.genExpr(args[0]);
|
||||
// Extract ptr and len from string slice
|
||||
const ptr = c.LLVMBuildExtractValue(self.builder, val, 0, "str_ptr");
|
||||
const len = c.LLVMBuildExtractValue(self.builder, val, 1, "str_len");
|
||||
const len_i64 = c.LLVMBuildExtractValue(self.builder, val, 1, "str_len");
|
||||
// printf %.*s precision is C int (i32) — truncate from i64
|
||||
const len = c.LLVMBuildTrunc(self.builder, len_i64, c.LLVMInt32TypeInContext(self.context), "len_trunc");
|
||||
const fmt = c.LLVMBuildGlobalStringPtr(self.builder, "%.*s", "write_fmt");
|
||||
const printf_fn = builtins.printf_fn;
|
||||
const fn_type = c.LLVMGlobalGetValueType(printf_fn);
|
||||
@@ -5322,7 +5365,7 @@ pub const CodeGen = struct {
|
||||
/// Helper: build a constant string slice as a global constant (no builder needed).
|
||||
fn buildConstStrGlobal(self: *CodeGen, s: []const u8) c.LLVMValueRef {
|
||||
const sz = self.allocator.dupeZ(u8, s) catch unreachable;
|
||||
const i32_ty = c.LLVMInt32TypeInContext(self.context);
|
||||
const i64_ty = c.LLVMInt64TypeInContext(self.context);
|
||||
const i8_ty = c.LLVMInt8TypeInContext(self.context);
|
||||
// Create a global string constant
|
||||
const str_const = c.LLVMConstStringInContext(self.context, sz.ptr, @intCast(s.len), 0);
|
||||
@@ -5335,10 +5378,10 @@ pub const CodeGen = struct {
|
||||
c.LLVMSetGlobalConstant(global, 1);
|
||||
c.LLVMSetLinkage(global, c.LLVMPrivateLinkage);
|
||||
}
|
||||
// Build constant struct {ptr, i32}
|
||||
// Build constant struct {ptr, i64}
|
||||
var fields = [_]c.LLVMValueRef{
|
||||
c.LLVMConstBitCast(global.?, c.LLVMPointerTypeInContext(self.context, 0)),
|
||||
c.LLVMConstInt(i32_ty, s.len, 0),
|
||||
c.LLVMConstInt(i64_ty, s.len, 0),
|
||||
};
|
||||
return c.LLVMConstStructInContext(self.context, &fields, 2, 0);
|
||||
}
|
||||
@@ -5368,6 +5411,43 @@ pub const CodeGen = struct {
|
||||
return self.allocator.dupeZ(u8, name) catch unreachable;
|
||||
}
|
||||
|
||||
/// Convert a type expression AST node to its source string representation.
|
||||
fn typeNodeToString(self: *CodeGen, node: *const Node) []const u8 {
|
||||
return switch (node.data) {
|
||||
.type_expr => |te| te.name,
|
||||
.identifier => |id| id.name,
|
||||
.pointer_type_expr => |pte| std.fmt.allocPrint(self.allocator, "*{s}", .{self.typeNodeToString(pte.pointee_type)}) catch "?",
|
||||
.many_pointer_type_expr => |mpte| std.fmt.allocPrint(self.allocator, "[*]{s}", .{self.typeNodeToString(mpte.element_type)}) catch "?",
|
||||
.slice_type_expr => |ste| std.fmt.allocPrint(self.allocator, "[]{s}", .{self.typeNodeToString(ste.element_type)}) catch "?",
|
||||
.array_type_expr => |ate| blk: {
|
||||
const elem = self.typeNodeToString(ate.element_type);
|
||||
if (ate.length.data == .int_literal) {
|
||||
break :blk std.fmt.allocPrint(self.allocator, "[{d}]{s}", .{ ate.length.data.int_literal.value, elem }) catch "?";
|
||||
}
|
||||
break :blk std.fmt.allocPrint(self.allocator, "[?]{s}", .{elem}) catch "?";
|
||||
},
|
||||
else => "?",
|
||||
};
|
||||
}
|
||||
|
||||
/// Build a function type string like "() -> s32" from an fn_decl.
|
||||
fn buildFnSignature(self: *CodeGen, fd: ast.FnDecl) []const u8 {
|
||||
var buf = std.ArrayList(u8).empty;
|
||||
buf.appendSlice(self.allocator, "(") catch return "?";
|
||||
for (fd.params, 0..) |param, i| {
|
||||
if (i > 0) buf.appendSlice(self.allocator, ", ") catch {};
|
||||
if (param.is_variadic) buf.appendSlice(self.allocator, "..") catch {};
|
||||
const ty_str = self.typeNodeToString(param.type_expr);
|
||||
buf.appendSlice(self.allocator, ty_str) catch {};
|
||||
}
|
||||
buf.appendSlice(self.allocator, ")") catch {};
|
||||
if (fd.return_type) |rt| {
|
||||
buf.appendSlice(self.allocator, " -> ") catch {};
|
||||
buf.appendSlice(self.allocator, self.typeNodeToString(rt)) catch {};
|
||||
}
|
||||
return buf.toOwnedSlice(self.allocator) catch "?";
|
||||
}
|
||||
|
||||
/// Extract a qualified name from a callee expression (identifier or field_access chain).
|
||||
fn calleeToQualifiedName(self: *CodeGen, callee: *Node) ?[]const u8 {
|
||||
if (callee.data == .identifier) return callee.data.identifier.name;
|
||||
@@ -5415,7 +5495,7 @@ pub const CodeGen = struct {
|
||||
|
||||
fn inferType(self: *CodeGen, node: *Node) Type {
|
||||
return switch (node.data) {
|
||||
.int_literal => Type.s(32),
|
||||
.int_literal => Type.s(64),
|
||||
.float_literal => .f32,
|
||||
.bool_literal => .boolean,
|
||||
.string_literal => .string_type,
|
||||
@@ -5435,7 +5515,7 @@ pub const CodeGen = struct {
|
||||
.identifier => |ident| {
|
||||
if (self.named_values.get(ident.name)) |entry| return entry.ty;
|
||||
if (self.comptime_globals.get(ident.name)) |ct| return ct.ty;
|
||||
return Type.s(32);
|
||||
return Type.s(64);
|
||||
},
|
||||
.if_expr => |ie| {
|
||||
return self.inferType(ie.then_branch);
|
||||
@@ -5477,21 +5557,21 @@ pub const CodeGen = struct {
|
||||
};
|
||||
if (obj_ty) |uty| return uty;
|
||||
}
|
||||
const callee_name = self.resolveCalleeName(call_node) orelse return Type.s(32);
|
||||
const callee_name = self.resolveCalleeName(call_node) orelse return Type.s(64);
|
||||
const base_name = if (std.mem.lastIndexOfScalar(u8, callee_name, '.')) |idx| callee_name[idx + 1 ..] else callee_name;
|
||||
// Built-in: sqrt returns same type as argument
|
||||
if (std.mem.eql(u8, base_name, "sqrt")) {
|
||||
if (call_node.args.len > 0) return self.inferType(call_node.args[0]);
|
||||
return .f32;
|
||||
}
|
||||
// Built-in: size_of returns s32
|
||||
if (std.mem.eql(u8, base_name, "size_of")) return Type.s(32);
|
||||
// Built-in: type_of returns s32 (type tag)
|
||||
if (std.mem.eql(u8, base_name, "type_of")) return Type.s(32);
|
||||
// Built-in: size_of returns s64
|
||||
if (std.mem.eql(u8, base_name, "size_of")) return Type.s(64);
|
||||
// Built-in: type_of returns s64 (type tag)
|
||||
if (std.mem.eql(u8, base_name, "type_of")) return Type.s(64);
|
||||
// Built-in: type_name returns string
|
||||
if (std.mem.eql(u8, base_name, "type_name")) return .string_type;
|
||||
// Built-in: field_count returns s32
|
||||
if (std.mem.eql(u8, base_name, "field_count")) return Type.s(32);
|
||||
// Built-in: field_count returns s64
|
||||
if (std.mem.eql(u8, base_name, "field_count")) return Type.s(64);
|
||||
// Built-in: field_name returns string
|
||||
if (std.mem.eql(u8, base_name, "field_name")) return .string_type;
|
||||
// Built-in: field_value returns Any
|
||||
@@ -5499,7 +5579,7 @@ pub const CodeGen = struct {
|
||||
// Built-in: cast returns the target type (first arg)
|
||||
if (std.mem.eql(u8, base_name, "cast")) {
|
||||
if (call_node.args.len > 0) return self.resolveType(call_node.args[0]);
|
||||
return Type.s(32);
|
||||
return Type.s(64);
|
||||
}
|
||||
// Built-in: alloc returns string
|
||||
if (std.mem.eql(u8, base_name, "alloc")) return .string_type;
|
||||
@@ -5507,7 +5587,7 @@ pub const CodeGen = struct {
|
||||
const template = self.generic_templates.get(callee_name) orelse blk: {
|
||||
// Intra-namespace fallback
|
||||
if (self.current_namespace) |ns| {
|
||||
const qualified = std.fmt.allocPrint(self.allocator, "{s}.{s}", .{ ns, callee_name }) catch return Type.s(32);
|
||||
const qualified = std.fmt.allocPrint(self.allocator, "{s}.{s}", .{ ns, callee_name }) catch return Type.s(64);
|
||||
break :blk self.generic_templates.get(qualified);
|
||||
}
|
||||
break :blk null;
|
||||
@@ -5544,16 +5624,16 @@ pub const CodeGen = struct {
|
||||
const resolved = self.resolveType(rt);
|
||||
if (!std.meta.eql(resolved, Type.void_type)) return resolved;
|
||||
}
|
||||
return Type.s(32);
|
||||
return Type.s(64);
|
||||
}
|
||||
// Check non-generic LLVM functions
|
||||
const callee_name_z = self.allocator.dupeZ(u8, callee_name) catch return Type.s(32);
|
||||
const callee_name_z = self.allocator.dupeZ(u8, callee_name) catch return Type.s(64);
|
||||
var callee_fn_opt = c.LLVMGetNamedFunction(self.module, callee_name_z.ptr);
|
||||
// Intra-namespace fallback
|
||||
if (callee_fn_opt == null) {
|
||||
if (self.current_namespace) |ns| {
|
||||
const q = std.fmt.allocPrint(self.allocator, "{s}.{s}", .{ ns, callee_name }) catch return Type.s(32);
|
||||
const qz = self.allocator.dupeZ(u8, q) catch return Type.s(32);
|
||||
const q = std.fmt.allocPrint(self.allocator, "{s}.{s}", .{ ns, callee_name }) catch return Type.s(64);
|
||||
const qz = self.allocator.dupeZ(u8, q) catch return Type.s(64);
|
||||
callee_fn_opt = c.LLVMGetNamedFunction(self.module, qz.ptr);
|
||||
}
|
||||
}
|
||||
@@ -5562,44 +5642,44 @@ pub const CodeGen = struct {
|
||||
const ret_llvm = c.LLVMGetReturnType(fn_type);
|
||||
return self.llvmTypeToSxType(ret_llvm);
|
||||
}
|
||||
return Type.s(32);
|
||||
return Type.s(64);
|
||||
},
|
||||
.unary_op => |unop| {
|
||||
if (unop.op == .address_of) {
|
||||
const operand_ty = self.inferType(unop.operand);
|
||||
const name = operand_ty.displayName(self.allocator) catch return Type.s(32);
|
||||
const name = operand_ty.displayName(self.allocator) catch return Type.s(64);
|
||||
return .{ .pointer_type = .{ .pointee_name = name } };
|
||||
}
|
||||
return self.inferType(unop.operand);
|
||||
},
|
||||
.deref_expr => |de| {
|
||||
const ptr_ty = self.inferType(de.operand);
|
||||
if (ptr_ty.isPointer()) return self.resolveTypeFromName(ptr_ty.pointer_type.pointee_name) orelse Type.s(32);
|
||||
return Type.s(32);
|
||||
if (ptr_ty.isPointer()) return self.resolveTypeFromName(ptr_ty.pointer_type.pointee_name) orelse Type.s(64);
|
||||
return Type.s(64);
|
||||
},
|
||||
.null_literal => return .{ .pointer_type = .{ .pointee_name = "void" } },
|
||||
.field_access => |fa| {
|
||||
var obj_ty = self.inferType(fa.object);
|
||||
// Auto-deref: if pointer, unwrap to pointee
|
||||
if (obj_ty.isPointer()) {
|
||||
obj_ty = self.resolveTypeFromName(obj_ty.pointer_type.pointee_name) orelse Type.s(32);
|
||||
obj_ty = self.resolveTypeFromName(obj_ty.pointer_type.pointee_name) orelse Type.s(64);
|
||||
}
|
||||
if (obj_ty == .string_type) {
|
||||
if (std.mem.eql(u8, fa.field, "len")) return Type.s(32);
|
||||
if (std.mem.eql(u8, fa.field, "len")) return Type.s(64);
|
||||
if (std.mem.eql(u8, fa.field, "ptr")) return .string_type;
|
||||
}
|
||||
if (obj_ty.isSlice()) {
|
||||
if (std.mem.eql(u8, fa.field, "len")) return Type.s(32);
|
||||
if (std.mem.eql(u8, fa.field, "len")) return Type.s(64);
|
||||
}
|
||||
if (obj_ty.isArray()) {
|
||||
if (std.mem.eql(u8, fa.field, "len")) return Type.s(32);
|
||||
if (std.mem.eql(u8, fa.field, "len")) return Type.s(64);
|
||||
}
|
||||
if (obj_ty.isAny()) {
|
||||
if (std.mem.eql(u8, fa.field, "tag")) return Type.s(32);
|
||||
if (std.mem.eql(u8, fa.field, "tag")) return Type.s(64);
|
||||
if (std.mem.eql(u8, fa.field, "value")) return Type.s(64);
|
||||
}
|
||||
if (obj_ty.isVector()) {
|
||||
return obj_ty.vectorElementType() orelse Type.s(32);
|
||||
return obj_ty.vectorElementType() orelse Type.s(64);
|
||||
}
|
||||
if (obj_ty.isStruct()) {
|
||||
if (self.struct_types.get(obj_ty.struct_type)) |info| {
|
||||
@@ -5617,23 +5697,24 @@ pub const CodeGen = struct {
|
||||
}
|
||||
}
|
||||
}
|
||||
return Type.s(32);
|
||||
return Type.s(64);
|
||||
},
|
||||
.index_expr => |ie| {
|
||||
const obj_ty = self.inferType(ie.object);
|
||||
if (obj_ty == .string_type) return Type.u(8);
|
||||
if (obj_ty.isVector()) {
|
||||
return obj_ty.vectorElementType() orelse Type.s(32);
|
||||
return obj_ty.vectorElementType() orelse Type.s(64);
|
||||
}
|
||||
if (obj_ty.isArray()) {
|
||||
return Type.fromName(obj_ty.array_type.element_name) orelse Type.s(32);
|
||||
return Type.fromName(obj_ty.array_type.element_name) orelse Type.s(64);
|
||||
}
|
||||
if (obj_ty.isSlice()) {
|
||||
return obj_ty.sliceElementType() orelse Type.s(32);
|
||||
return obj_ty.sliceElementType() orelse Type.s(64);
|
||||
}
|
||||
if (obj_ty.isManyPointer()) {
|
||||
return self.resolveTypeFromName(obj_ty.many_pointer_type.element_name) orelse Type.s(32);
|
||||
return self.resolveTypeFromName(obj_ty.many_pointer_type.element_name) orelse Type.s(64);
|
||||
}
|
||||
return Type.s(32);
|
||||
return Type.s(64);
|
||||
},
|
||||
.slice_expr => |se| {
|
||||
const obj_ty = self.inferType(se.object);
|
||||
@@ -5645,11 +5726,11 @@ pub const CodeGen = struct {
|
||||
.array_literal => |al| {
|
||||
if (al.elements.len == 0) return .void_type;
|
||||
const elem_ty = self.inferType(al.elements[0]);
|
||||
const elem_name = elem_ty.displayName(self.allocator) catch return Type.s(32);
|
||||
const elem_name = elem_ty.displayName(self.allocator) catch return Type.s(64);
|
||||
return .{ .array_type = .{ .element_name = elem_name, .length = @intCast(al.elements.len) } };
|
||||
},
|
||||
.while_expr, .for_expr, .break_expr, .continue_expr => .void_type,
|
||||
else => Type.s(32),
|
||||
else => Type.s(64),
|
||||
};
|
||||
}
|
||||
|
||||
|
||||
387
src/comptime.zig
387
src/comptime.zig
@@ -15,6 +15,12 @@ pub const Value = union(enum) {
|
||||
array_val: ArrayValue,
|
||||
type_val: Type,
|
||||
function_val: FunctionVal,
|
||||
pointer_val: PointerValue,
|
||||
null_val: void,
|
||||
|
||||
pub const PointerValue = struct {
|
||||
target: [*]Value,
|
||||
};
|
||||
|
||||
pub const StructValue = struct {
|
||||
type_name: []const u8,
|
||||
@@ -96,6 +102,11 @@ pub const Value = union(enum) {
|
||||
try buf.append(allocator, ']');
|
||||
return buf.items;
|
||||
},
|
||||
.pointer_val => |pv| {
|
||||
const inner = try pv.target[0].format(allocator);
|
||||
return std.fmt.allocPrint(allocator, "&{s}", .{inner});
|
||||
},
|
||||
.null_val => allocator.dupe(u8, "null"),
|
||||
};
|
||||
}
|
||||
};
|
||||
@@ -160,6 +171,13 @@ pub const Instruction = union(enum) {
|
||||
get_field: u16,
|
||||
set_field: u16,
|
||||
|
||||
// Pointers
|
||||
address_of_local: u16, // push pointer to local slot
|
||||
address_of_index, // pop idx, pop array, push pointer to element
|
||||
deref, // pop pointer, push dereferenced value
|
||||
deref_set, // pop value, pop pointer, store through pointer
|
||||
push_null, // push null pointer
|
||||
|
||||
// Arrays
|
||||
make_array: u32, // element count on stack
|
||||
get_index,
|
||||
@@ -295,6 +313,29 @@ pub const Compiler = struct {
|
||||
return idx;
|
||||
}
|
||||
|
||||
/// Look up a struct field index by name, handling pointer auto-deref.
|
||||
fn resolveFieldIndex(self: *Compiler, object: *Node, field: []const u8) ?u16 {
|
||||
if (self.sema_result) |sr| {
|
||||
const obj_ty = sr.type_map.get(object) orelse return null;
|
||||
const struct_name: ?[]const u8 = if (obj_ty.isStruct())
|
||||
obj_ty.struct_type
|
||||
else if (obj_ty.isPointer())
|
||||
obj_ty.pointer_type.pointee_name
|
||||
else
|
||||
null;
|
||||
if (struct_name) |sn| {
|
||||
if (sr.struct_types.get(sn)) |info| {
|
||||
for (info.field_names, 0..) |fname, idx| {
|
||||
if (std.mem.eql(u8, fname, field)) {
|
||||
return @intCast(idx);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
fn resolveLocal(self: *Compiler, name: []const u8) ?u16 {
|
||||
var i = self.locals.items.len;
|
||||
while (i > 0) {
|
||||
@@ -451,12 +492,29 @@ pub const Compiler = struct {
|
||||
}
|
||||
},
|
||||
.unary_op => |unop| {
|
||||
try self.compileNode(unop.operand);
|
||||
switch (unop.op) {
|
||||
.negate => try self.emit(.negate),
|
||||
.not => try self.emit(.not),
|
||||
.xx => {}, // cast — handle later
|
||||
.address_of => {}, // pointers not supported in comptime
|
||||
if (unop.op == .address_of) {
|
||||
if (unop.operand.data == .identifier) {
|
||||
if (self.resolveLocal(unop.operand.data.identifier.name)) |slot| {
|
||||
try self.emit(.{ .address_of_local = slot });
|
||||
} else {
|
||||
return error.UnsupportedExpression;
|
||||
}
|
||||
} else if (unop.operand.data == .index_expr) {
|
||||
// &arr[i] — push array, push index, address_of_index
|
||||
try self.compileNode(unop.operand.data.index_expr.object);
|
||||
try self.compileNode(unop.operand.data.index_expr.index);
|
||||
try self.emit(.address_of_index);
|
||||
} else {
|
||||
return error.UnsupportedExpression;
|
||||
}
|
||||
} else {
|
||||
try self.compileNode(unop.operand);
|
||||
switch (unop.op) {
|
||||
.negate => try self.emit(.negate),
|
||||
.not => try self.emit(.not),
|
||||
.xx => {}, // cast — handle later
|
||||
.address_of => unreachable, // handled above
|
||||
}
|
||||
}
|
||||
},
|
||||
.comptime_expr => |ct| {
|
||||
@@ -533,6 +591,26 @@ pub const Compiler = struct {
|
||||
try self.emit(.{ .set_local = slot });
|
||||
}
|
||||
}
|
||||
} else if (asgn.target.data == .field_access) {
|
||||
// obj.field = val (works with auto-deref for pointers)
|
||||
const fa = asgn.target.data.field_access;
|
||||
const field_idx = self.resolveFieldIndex(fa.object, fa.field) orelse return error.UnsupportedExpression;
|
||||
try self.compileNode(fa.object);
|
||||
if (asgn.op != .assign) return error.UnsupportedExpression;
|
||||
try self.compileNode(asgn.value);
|
||||
try self.emit(.{ .set_field = field_idx });
|
||||
// Store back to local
|
||||
if (fa.object.data == .identifier) {
|
||||
if (self.resolveLocal(fa.object.data.identifier.name)) |slot| {
|
||||
try self.emit(.{ .set_local = slot });
|
||||
}
|
||||
}
|
||||
} else if (asgn.target.data == .deref_expr) {
|
||||
// p.* = val
|
||||
try self.compileNode(asgn.target.data.deref_expr.operand);
|
||||
if (asgn.op != .assign) return error.UnsupportedExpression;
|
||||
try self.compileNode(asgn.value);
|
||||
try self.emit(.deref_set);
|
||||
}
|
||||
},
|
||||
.return_stmt => |rs| {
|
||||
@@ -655,20 +733,10 @@ pub const Compiler = struct {
|
||||
}
|
||||
}
|
||||
}
|
||||
// Look up field index from sema struct_types
|
||||
if (self.sema_result) |sr| {
|
||||
// Infer the object type to find the struct name
|
||||
const obj_ty = sr.type_map.get(fa.object);
|
||||
if (obj_ty != null and obj_ty.?.isStruct()) {
|
||||
if (sr.struct_types.get(obj_ty.?.struct_type)) |info| {
|
||||
for (info.field_names, 0..) |fname, idx| {
|
||||
if (std.mem.eql(u8, fname, fa.field)) {
|
||||
try self.emit(.{ .get_field = @intCast(idx) });
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
// Look up field index from sema struct_types (handles pointer auto-deref)
|
||||
if (self.resolveFieldIndex(fa.object, fa.field)) |field_idx| {
|
||||
try self.emit(.{ .get_field = field_idx });
|
||||
return;
|
||||
}
|
||||
// Fallback: use field name for well-known string fields
|
||||
// (sema may not have type info for nodes in imported function bodies)
|
||||
@@ -748,6 +816,16 @@ pub const Compiler = struct {
|
||||
const offset = @as(i32, @intCast(target)) - @as(i32, @intCast(self.instructions.items.len)) - 1;
|
||||
try self.emit(.{ .jump = offset });
|
||||
},
|
||||
.deref_expr => |de| {
|
||||
try self.compileNode(de.operand);
|
||||
try self.emit(.deref);
|
||||
},
|
||||
.null_literal => {
|
||||
try self.emit(.push_null);
|
||||
},
|
||||
.pointer_type_expr, .many_pointer_type_expr => {
|
||||
try self.emit(.push_void); // type expressions not meaningful as values
|
||||
},
|
||||
.defer_stmt => {}, // defer not meaningful in comptime
|
||||
.insert_expr => {}, // handled by codegen, not VM
|
||||
else => {
|
||||
@@ -871,6 +949,51 @@ pub const VM = struct {
|
||||
self.stack[abs_slot] = val;
|
||||
},
|
||||
|
||||
// Pointers
|
||||
.address_of_local => |slot| {
|
||||
const abs_slot = frame.base_slot + slot;
|
||||
// Grow stack if needed so the target slot exists
|
||||
while (self.sp <= abs_slot) {
|
||||
self.stack[self.sp] = .{ .void_val = {} };
|
||||
self.sp += 1;
|
||||
}
|
||||
const ptr: [*]Value = @ptrCast(&self.stack[abs_slot]);
|
||||
try self.push(.{ .pointer_val = .{ .target = ptr } });
|
||||
},
|
||||
.address_of_index => {
|
||||
const idx_val = try self.pop();
|
||||
const arr = try self.pop();
|
||||
const idx: usize = @intCast(idx_val.asInt() orelse return error.TypeError);
|
||||
if (arr == .array_val) {
|
||||
if (idx >= arr.array_val.elements.len) return error.IndexOutOfBounds;
|
||||
try self.push(.{ .pointer_val = .{ .target = arr.array_val.elements.ptr + idx } });
|
||||
} else {
|
||||
return error.TypeError;
|
||||
}
|
||||
},
|
||||
.deref => {
|
||||
const v = try self.pop();
|
||||
if (v == .pointer_val) {
|
||||
try self.push(try self.cloneValue(v.pointer_val.target[0]));
|
||||
} else if (v == .null_val) {
|
||||
return error.NullDereference;
|
||||
} else {
|
||||
return error.TypeError;
|
||||
}
|
||||
},
|
||||
.deref_set => {
|
||||
const val = try self.pop();
|
||||
const ptr_v = try self.pop();
|
||||
if (ptr_v == .pointer_val) {
|
||||
ptr_v.pointer_val.target[0] = val;
|
||||
} else if (ptr_v == .null_val) {
|
||||
return error.NullDereference;
|
||||
} else {
|
||||
return error.TypeError;
|
||||
}
|
||||
},
|
||||
.push_null => try self.push(.{ .null_val = {} }),
|
||||
|
||||
// Global variables (lazily resolved from root_decls)
|
||||
.get_global => |name_idx| {
|
||||
const name = if (name_idx < frame.chunk.strings.len) frame.chunk.strings[name_idx] else return error.InvalidGlobal;
|
||||
@@ -1014,7 +1137,9 @@ pub const VM = struct {
|
||||
try self.push(.{ .struct_val = .{ .type_name = sm.type_name, .field_names = sm.field_names, .fields = fields } });
|
||||
},
|
||||
.get_field => |idx| {
|
||||
const obj = try self.pop();
|
||||
const raw_obj = try self.pop();
|
||||
// Auto-deref pointer
|
||||
const obj = if (raw_obj == .pointer_val) raw_obj.pointer_val.target[0] else raw_obj;
|
||||
if (obj == .struct_val) {
|
||||
if (idx < obj.struct_val.fields.len) {
|
||||
try self.push(obj.struct_val.fields[idx]);
|
||||
@@ -1034,12 +1159,22 @@ pub const VM = struct {
|
||||
},
|
||||
.set_field => |idx| {
|
||||
const val = try self.pop();
|
||||
const obj = try self.pop();
|
||||
if (obj == .struct_val) {
|
||||
if (idx < obj.struct_val.fields.len) {
|
||||
obj.struct_val.fields[idx] = val;
|
||||
const raw_obj = try self.pop();
|
||||
if (raw_obj == .pointer_val) {
|
||||
// Auto-deref: mutate field in-place through pointer
|
||||
const target = raw_obj.pointer_val.target;
|
||||
if (target[0] == .struct_val) {
|
||||
const sv = target[0].struct_val;
|
||||
if (idx < sv.fields.len) {
|
||||
sv.fields[idx] = val;
|
||||
}
|
||||
}
|
||||
try self.push(obj);
|
||||
try self.push(raw_obj); // push pointer back
|
||||
} else if (raw_obj == .struct_val) {
|
||||
if (idx < raw_obj.struct_val.fields.len) {
|
||||
raw_obj.struct_val.fields[idx] = val;
|
||||
}
|
||||
try self.push(raw_obj);
|
||||
} else {
|
||||
return error.TypeError;
|
||||
}
|
||||
@@ -1073,6 +1208,10 @@ pub const VM = struct {
|
||||
} else {
|
||||
return error.IndexOutOfBounds;
|
||||
}
|
||||
} else if (arr == .pointer_val) {
|
||||
// Many-pointer indexing: ptr[i]
|
||||
const idx: usize = @intCast(idx_val.asInt() orelse return error.TypeError);
|
||||
try self.push(arr.pointer_val.target[idx]);
|
||||
} else {
|
||||
return error.TypeError;
|
||||
}
|
||||
@@ -1096,6 +1235,11 @@ pub const VM = struct {
|
||||
mutable[idx] = byte_val;
|
||||
}
|
||||
try self.push(arr);
|
||||
} else if (arr == .pointer_val) {
|
||||
// Many-pointer index assignment: ptr[i] = val
|
||||
const idx: usize = @intCast(idx_val.asInt() orelse return error.TypeError);
|
||||
arr.pointer_val.target[idx] = val;
|
||||
try self.push(arr);
|
||||
} else {
|
||||
return error.TypeError;
|
||||
}
|
||||
@@ -1166,11 +1310,37 @@ pub const VM = struct {
|
||||
} };
|
||||
}
|
||||
|
||||
/// Clone a value, allocating new backing storage for composites (structs/arrays)
|
||||
/// so the clone is independent. Does not follow pointers.
|
||||
fn cloneValue(self: *VM, val: Value) !Value {
|
||||
return switch (val) {
|
||||
.struct_val => |sv| {
|
||||
const new_fields = try self.allocator.alloc(Value, sv.fields.len);
|
||||
for (sv.fields, 0..) |f, i| {
|
||||
new_fields[i] = try self.cloneValue(f);
|
||||
}
|
||||
return .{ .struct_val = .{ .type_name = sv.type_name, .field_names = sv.field_names, .fields = new_fields } };
|
||||
},
|
||||
.array_val => |av| {
|
||||
const new_elements = try self.allocator.alloc(Value, av.elements.len);
|
||||
for (av.elements, 0..) |e, i| {
|
||||
new_elements[i] = try self.cloneValue(e);
|
||||
}
|
||||
return .{ .array_val = .{ .elements = new_elements } };
|
||||
},
|
||||
else => val,
|
||||
};
|
||||
}
|
||||
|
||||
fn valEqual(self: *VM, a: Value, b: Value) bool {
|
||||
_ = self;
|
||||
if (a == .int_val and b == .int_val) return a.int_val == b.int_val;
|
||||
if (a == .bool_val and b == .bool_val) return a.bool_val == b.bool_val;
|
||||
if (a == .string_val and b == .string_val) return std.mem.eql(u8, a.string_val, b.string_val);
|
||||
// Pointer comparison
|
||||
if (a == .null_val and b == .null_val) return true;
|
||||
if (a == .null_val or b == .null_val) return false;
|
||||
if (a == .pointer_val and b == .pointer_val) return a.pointer_val.target == b.pointer_val.target;
|
||||
// Float comparison
|
||||
const af = a.asFloat();
|
||||
const bf = b.asFloat();
|
||||
@@ -1377,6 +1547,7 @@ pub const VM = struct {
|
||||
StackUnderflow,
|
||||
IndexOutOfBounds,
|
||||
DivisionByZero,
|
||||
NullDereference,
|
||||
UnsupportedExpression,
|
||||
OutOfMemory,
|
||||
};
|
||||
@@ -1752,3 +1923,167 @@ test "VM: function with return statement" {
|
||||
);
|
||||
try std.testing.expectEqual(@as(i64, 36), result.int_val);
|
||||
}
|
||||
|
||||
test "VM: address-of and deref" {
|
||||
var arena = std.heap.ArenaAllocator.init(std.testing.allocator);
|
||||
defer arena.deinit();
|
||||
const alloc = arena.allocator();
|
||||
|
||||
// x := 42; ptr := &x; ptr.*
|
||||
const code = [_]Instruction{
|
||||
.{ .push_int = 42 },
|
||||
.{ .set_local = 0 }, // x = 42
|
||||
.{ .address_of_local = 0 }, // &x
|
||||
.{ .set_local = 1 }, // ptr = &x
|
||||
.{ .get_local = 1 }, // ptr
|
||||
.deref, // ptr.*
|
||||
};
|
||||
const chunk = Chunk{
|
||||
.code = &code,
|
||||
.strings = &.{},
|
||||
.local_count = 2,
|
||||
.name = "<test>",
|
||||
};
|
||||
|
||||
var vm = VM.init(alloc, null, &.{}, null);
|
||||
const result = try vm.execute(&chunk);
|
||||
try std.testing.expectEqual(@as(i64, 42), result.int_val);
|
||||
}
|
||||
|
||||
test "VM: deref_set modifies through pointer" {
|
||||
var arena = std.heap.ArenaAllocator.init(std.testing.allocator);
|
||||
defer arena.deinit();
|
||||
const alloc = arena.allocator();
|
||||
|
||||
// x := 10; ptr := &x; ptr.* = 99; x
|
||||
const code = [_]Instruction{
|
||||
.{ .push_int = 10 },
|
||||
.{ .set_local = 0 }, // x = 10
|
||||
.{ .address_of_local = 0 }, // &x
|
||||
.{ .set_local = 1 }, // ptr = &x
|
||||
.{ .get_local = 1 }, // ptr
|
||||
.{ .push_int = 99 },
|
||||
.deref_set, // ptr.* = 99
|
||||
.{ .get_local = 0 }, // x (should be 99 now)
|
||||
};
|
||||
const chunk = Chunk{
|
||||
.code = &code,
|
||||
.strings = &.{},
|
||||
.local_count = 2,
|
||||
.name = "<test>",
|
||||
};
|
||||
|
||||
var vm = VM.init(alloc, null, &.{}, null);
|
||||
const result = try vm.execute(&chunk);
|
||||
try std.testing.expectEqual(@as(i64, 99), result.int_val);
|
||||
}
|
||||
|
||||
test "VM: null pointer" {
|
||||
var arena = std.heap.ArenaAllocator.init(std.testing.allocator);
|
||||
defer arena.deinit();
|
||||
const alloc = arena.allocator();
|
||||
|
||||
const code = [_]Instruction{
|
||||
.push_null,
|
||||
};
|
||||
const chunk = Chunk{
|
||||
.code = &code,
|
||||
.strings = &.{},
|
||||
.local_count = 0,
|
||||
.name = "<test>",
|
||||
};
|
||||
|
||||
var vm = VM.init(alloc, null, &.{}, null);
|
||||
const result = try vm.execute(&chunk);
|
||||
try std.testing.expect(result == .null_val);
|
||||
}
|
||||
|
||||
test "VM: pointer to struct field access" {
|
||||
var arena = std.heap.ArenaAllocator.init(std.testing.allocator);
|
||||
defer arena.deinit();
|
||||
const alloc = arena.allocator();
|
||||
|
||||
// Build: struct{x: 10, y: 20}, &struct, get_field(1) — auto-deref
|
||||
const code = [_]Instruction{
|
||||
.{ .push_int = 10 },
|
||||
.{ .push_int = 20 },
|
||||
.{ .make_struct = .{ .type_name = "Point", .field_count = 2, .field_names = &.{ "x", "y" } } },
|
||||
.{ .set_local = 0 }, // v = Point{10, 20}
|
||||
.{ .address_of_local = 0 }, // &v
|
||||
.{ .get_field = 1 }, // auto-deref, get y
|
||||
};
|
||||
const chunk = Chunk{
|
||||
.code = &code,
|
||||
.strings = &.{},
|
||||
.local_count = 1,
|
||||
.name = "<test>",
|
||||
};
|
||||
|
||||
var vm = VM.init(alloc, null, &.{}, null);
|
||||
const result = try vm.execute(&chunk);
|
||||
try std.testing.expectEqual(@as(i64, 20), result.int_val);
|
||||
}
|
||||
|
||||
test "VM: pointer to struct field mutation" {
|
||||
var arena = std.heap.ArenaAllocator.init(std.testing.allocator);
|
||||
defer arena.deinit();
|
||||
const alloc = arena.allocator();
|
||||
|
||||
// v = Point{10, 20}; ptr = &v; ptr.x = 99; v.x
|
||||
const code = [_]Instruction{
|
||||
.{ .push_int = 10 },
|
||||
.{ .push_int = 20 },
|
||||
.{ .make_struct = .{ .type_name = "Point", .field_count = 2, .field_names = &.{ "x", "y" } } },
|
||||
.{ .set_local = 0 }, // v = Point{10, 20}
|
||||
.{ .address_of_local = 0 }, // &v
|
||||
.{ .set_local = 1 }, // ptr = &v
|
||||
.{ .get_local = 1 }, // ptr
|
||||
.{ .push_int = 99 },
|
||||
.{ .set_field = 0 }, // ptr.x = 99 (auto-deref)
|
||||
.{ .set_local = 1 }, // store ptr back
|
||||
.{ .get_local = 0 }, // v
|
||||
.{ .get_field = 0 }, // v.x
|
||||
};
|
||||
const chunk = Chunk{
|
||||
.code = &code,
|
||||
.strings = &.{},
|
||||
.local_count = 2,
|
||||
.name = "<test>",
|
||||
};
|
||||
|
||||
var vm = VM.init(alloc, null, &.{}, null);
|
||||
const result = try vm.execute(&chunk);
|
||||
try std.testing.expectEqual(@as(i64, 99), result.int_val);
|
||||
}
|
||||
|
||||
test "VM: many-pointer indexing" {
|
||||
var arena = std.heap.ArenaAllocator.init(std.testing.allocator);
|
||||
defer arena.deinit();
|
||||
const alloc = arena.allocator();
|
||||
|
||||
// arr = [10, 20, 30]; mp = &arr[0]; mp[2]
|
||||
const code = [_]Instruction{
|
||||
.{ .push_int = 10 },
|
||||
.{ .push_int = 20 },
|
||||
.{ .push_int = 30 },
|
||||
.{ .make_array = 3 },
|
||||
.{ .set_local = 0 }, // arr = [10, 20, 30]
|
||||
.{ .get_local = 0 }, // arr
|
||||
.{ .push_int = 0 },
|
||||
.address_of_index, // &arr[0]
|
||||
.{ .set_local = 1 }, // mp = &arr[0]
|
||||
.{ .get_local = 1 }, // mp
|
||||
.{ .push_int = 2 },
|
||||
.get_index, // mp[2]
|
||||
};
|
||||
const chunk = Chunk{
|
||||
.code = &code,
|
||||
.strings = &.{},
|
||||
.local_count = 2,
|
||||
.name = "<test>",
|
||||
};
|
||||
|
||||
var vm = VM.init(alloc, null, &.{}, null);
|
||||
const result = try vm.execute(&chunk);
|
||||
try std.testing.expectEqual(@as(i64, 30), result.int_val);
|
||||
}
|
||||
|
||||
30
src/sema.zig
30
src/sema.zig
@@ -125,7 +125,7 @@ pub const Analyzer = struct {
|
||||
var param_types = std.ArrayList(Type).empty;
|
||||
var has_variadic = false;
|
||||
for (fd.params) |param| {
|
||||
const pt = Type.fromTypeExpr(param.type_expr) orelse Type.s(32);
|
||||
const pt = Type.fromTypeExpr(param.type_expr) orelse Type.s(64);
|
||||
if (param.is_variadic) {
|
||||
has_variadic = true;
|
||||
// Variadic param becomes a slice type
|
||||
@@ -158,7 +158,7 @@ pub const Analyzer = struct {
|
||||
const lam = cd.value.data.lambda;
|
||||
var param_types = std.ArrayList(Type).empty;
|
||||
for (lam.params) |param| {
|
||||
const pt = Type.fromTypeExpr(param.type_expr) orelse Type.s(32);
|
||||
const pt = Type.fromTypeExpr(param.type_expr) orelse Type.s(64);
|
||||
try param_types.append(self.allocator, pt);
|
||||
}
|
||||
const ret = if (lam.return_type) |rt| Type.fromTypeExpr(rt) orelse .void_type else .void_type;
|
||||
@@ -185,7 +185,7 @@ pub const Analyzer = struct {
|
||||
// Populate struct_types registry
|
||||
var field_types = std.ArrayList(Type).empty;
|
||||
for (sd.field_types) |ft| {
|
||||
const resolved = Type.fromTypeExpr(ft) orelse Type.s(32);
|
||||
const resolved = Type.fromTypeExpr(ft) orelse Type.s(64);
|
||||
try field_types.append(self.allocator, resolved);
|
||||
}
|
||||
try self.struct_types.put(sd.name, .{
|
||||
@@ -272,7 +272,7 @@ pub const Analyzer = struct {
|
||||
/// symbols for identifier types, and Type.widen for arithmetic promotion.
|
||||
pub fn inferExprType(self: *Analyzer, node: *const Node) Type {
|
||||
return switch (node.data) {
|
||||
.int_literal => Type.s(32),
|
||||
.int_literal => Type.s(64),
|
||||
.float_literal => .f32,
|
||||
.bool_literal => .boolean,
|
||||
.string_literal => .string_type,
|
||||
@@ -296,10 +296,10 @@ pub const Analyzer = struct {
|
||||
i -= 1;
|
||||
const sym = self.symbols.items[i];
|
||||
if (sym.scope_depth <= self.scope_depth and std.mem.eql(u8, sym.name, ident.name)) {
|
||||
return sym.ty orelse Type.s(32);
|
||||
return sym.ty orelse Type.s(64);
|
||||
}
|
||||
}
|
||||
return Type.s(32);
|
||||
return Type.s(64);
|
||||
},
|
||||
.if_expr => |ie| {
|
||||
return self.inferExprType(ie.then_branch);
|
||||
@@ -317,7 +317,7 @@ pub const Analyzer = struct {
|
||||
return .void_type;
|
||||
},
|
||||
.call => |call_node| {
|
||||
const callee_name = self.resolveCalleeName(call_node) orelse return Type.s(32);
|
||||
const callee_name = self.resolveCalleeName(call_node) orelse return Type.s(64);
|
||||
// Check fn_signatures registry
|
||||
if (self.fn_signatures.get(callee_name)) |sig| {
|
||||
return sig.return_type;
|
||||
@@ -328,7 +328,7 @@ pub const Analyzer = struct {
|
||||
if (call_node.args.len > 0) return self.inferExprType(call_node.args[0]);
|
||||
return .f32;
|
||||
}
|
||||
return Type.s(32);
|
||||
return Type.s(64);
|
||||
},
|
||||
.unary_op => |unop| {
|
||||
return self.inferExprType(unop.operand);
|
||||
@@ -336,7 +336,7 @@ pub const Analyzer = struct {
|
||||
.field_access => |fa| {
|
||||
const obj_ty = self.inferExprType(fa.object);
|
||||
if (obj_ty == .string_type) {
|
||||
if (std.mem.eql(u8, fa.field, "len")) return Type.s(32);
|
||||
if (std.mem.eql(u8, fa.field, "len")) return Type.s(64);
|
||||
if (std.mem.eql(u8, fa.field, "ptr")) return .string_type;
|
||||
}
|
||||
if (obj_ty.isStruct()) {
|
||||
@@ -349,17 +349,17 @@ pub const Analyzer = struct {
|
||||
}
|
||||
}
|
||||
if (obj_ty.isArray()) {
|
||||
return Type.fromName(obj_ty.array_type.element_name) orelse Type.s(32);
|
||||
return Type.fromName(obj_ty.array_type.element_name) orelse Type.s(64);
|
||||
}
|
||||
return Type.s(32);
|
||||
return Type.s(64);
|
||||
},
|
||||
.index_expr => |ie| {
|
||||
const obj_ty = self.inferExprType(ie.object);
|
||||
if (obj_ty == .string_type) return Type.s(32);
|
||||
if (obj_ty == .string_type) return Type.u(8);
|
||||
if (obj_ty.isArray()) {
|
||||
return Type.fromName(obj_ty.array_type.element_name) orelse Type.s(32);
|
||||
return Type.fromName(obj_ty.array_type.element_name) orelse Type.s(64);
|
||||
}
|
||||
return Type.s(32);
|
||||
return Type.s(64);
|
||||
},
|
||||
.slice_expr => |se| {
|
||||
const obj_ty = self.inferExprType(se.object);
|
||||
@@ -741,7 +741,7 @@ pub const Analyzer = struct {
|
||||
|
||||
fn inferValueType(value: *Node) ?Type {
|
||||
return switch (value.data) {
|
||||
.int_literal => Type.s(32),
|
||||
.int_literal => Type.s(64),
|
||||
.float_literal => .f64,
|
||||
.bool_literal => .boolean,
|
||||
.string_literal => .string_type,
|
||||
|
||||
Reference in New Issue
Block a user