Meg's Mirrors

zig

1	const std = @import("std");
2	const Allocator = std.mem.Allocator;
3
4	const spec = @import("spec.zig");
5	const Word = spec.Word;
6	const Id = spec.Id;
7
8	const InternPool = @import("../../InternPool.zig");
9	const CodeGen = @import("CodeGen.zig");
10
11	const Mir = @This();
12
13	id_bound: Word,
14	owner_nav: InternPool.Nav.Index,
15	kind: CodeGen.Decl.Kind,
16	decl_result_id: Id,
17	extended_instruction_set: []const Word,
18	globals: []const Word,
19	functions: []const Word,
20	annotations: []const Word,
21	debug_names: []const Word,
22	debug_strings: []const Word,
23	execution_modes: []const Word,
24	nav_refs: []const NavRef,
25	uav_refs: []const UavRef,
26	decl_deps: []const DeclDep,
27	internal_globals: []const Id,
28	entry_points: []const EntryPoint,
29
30	pub const NavRef = struct {
31	local_id: Id,
32	nav: InternPool.Nav.Index,
33	kind: CodeGen.Decl.Kind,
34	};
35
36	pub const UavRef = struct {
37	local_id: Id,
38	val: InternPool.Index,
39	storage_class: spec.StorageClass,
40	kind: CodeGen.Decl.Kind,
41	};
42
43	pub const DeclDep = struct {
44	kind: CodeGen.Decl.Kind,
45	nav: InternPool.Nav.Index,
46	};
47
48	pub const EntryPoint = struct {
49	local_id: Id,
50	name: []const u8,
51	cc: std.builtin.CallingConvention,
52	};
53
54	pub fn deinit(mir: *Mir, gpa: Allocator) void {
55	gpa.free(mir.extended_instruction_set);
56	gpa.free(mir.globals);
57	gpa.free(mir.functions);
58	gpa.free(mir.annotations);
59	gpa.free(mir.debug_names);
60	gpa.free(mir.debug_strings);
61	gpa.free(mir.execution_modes);
62	gpa.free(mir.nav_refs);
63	gpa.free(mir.uav_refs);
64	gpa.free(mir.decl_deps);
65	gpa.free(mir.internal_globals);
66	for (mir.entry_points) |ep| {
67	gpa.free(ep.name);
68	}
69	gpa.free(mir.entry_points);
70	mir.* = undefined;
71	}