1090 lines
38 KiB
Zig
1090 lines
38 KiB
Zig
const std = @import("std");
|
|
const builtin = @import("builtin");
|
|
const Scope = @import("scope.zig").Scope;
|
|
const Compilation = @import("compilation.zig").Compilation;
|
|
const Value = @import("value.zig").Value;
|
|
const llvm = @import("llvm.zig");
|
|
const event = std.event;
|
|
const Allocator = std.mem.Allocator;
|
|
const assert = std.debug.assert;
|
|
|
|
pub const Type = struct {
|
|
base: Value,
|
|
id: Id,
|
|
name: []const u8,
|
|
abi_alignment: AbiAlignment,
|
|
|
|
pub const AbiAlignment = event.Future(error{OutOfMemory}!u32);
|
|
|
|
pub const Id = builtin.TypeId;
|
|
|
|
pub fn destroy(base: *Type, comp: *Compilation) void {
|
|
switch (base.id) {
|
|
Id.Struct => @fieldParentPtr(Struct, "base", base).destroy(comp),
|
|
Id.Fn => @fieldParentPtr(Fn, "base", base).destroy(comp),
|
|
Id.Type => @fieldParentPtr(MetaType, "base", base).destroy(comp),
|
|
Id.Void => @fieldParentPtr(Void, "base", base).destroy(comp),
|
|
Id.Bool => @fieldParentPtr(Bool, "base", base).destroy(comp),
|
|
Id.NoReturn => @fieldParentPtr(NoReturn, "base", base).destroy(comp),
|
|
Id.Int => @fieldParentPtr(Int, "base", base).destroy(comp),
|
|
Id.Float => @fieldParentPtr(Float, "base", base).destroy(comp),
|
|
Id.Pointer => @fieldParentPtr(Pointer, "base", base).destroy(comp),
|
|
Id.Array => @fieldParentPtr(Array, "base", base).destroy(comp),
|
|
Id.ComptimeFloat => @fieldParentPtr(ComptimeFloat, "base", base).destroy(comp),
|
|
Id.ComptimeInt => @fieldParentPtr(ComptimeInt, "base", base).destroy(comp),
|
|
Id.Undefined => @fieldParentPtr(Undefined, "base", base).destroy(comp),
|
|
Id.Null => @fieldParentPtr(Null, "base", base).destroy(comp),
|
|
Id.Optional => @fieldParentPtr(Optional, "base", base).destroy(comp),
|
|
Id.ErrorUnion => @fieldParentPtr(ErrorUnion, "base", base).destroy(comp),
|
|
Id.ErrorSet => @fieldParentPtr(ErrorSet, "base", base).destroy(comp),
|
|
Id.Enum => @fieldParentPtr(Enum, "base", base).destroy(comp),
|
|
Id.Union => @fieldParentPtr(Union, "base", base).destroy(comp),
|
|
Id.Namespace => @fieldParentPtr(Namespace, "base", base).destroy(comp),
|
|
Id.BoundFn => @fieldParentPtr(BoundFn, "base", base).destroy(comp),
|
|
Id.ArgTuple => @fieldParentPtr(ArgTuple, "base", base).destroy(comp),
|
|
Id.Opaque => @fieldParentPtr(Opaque, "base", base).destroy(comp),
|
|
Id.Promise => @fieldParentPtr(Promise, "base", base).destroy(comp),
|
|
}
|
|
}
|
|
|
|
pub fn getLlvmType(
|
|
base: *Type,
|
|
allocator: *Allocator,
|
|
llvm_context: llvm.ContextRef,
|
|
) (error{OutOfMemory}!llvm.TypeRef) {
|
|
switch (base.id) {
|
|
Id.Struct => return @fieldParentPtr(Struct, "base", base).getLlvmType(allocator, llvm_context),
|
|
Id.Fn => return @fieldParentPtr(Fn, "base", base).getLlvmType(allocator, llvm_context),
|
|
Id.Type => unreachable,
|
|
Id.Void => unreachable,
|
|
Id.Bool => return @fieldParentPtr(Bool, "base", base).getLlvmType(allocator, llvm_context),
|
|
Id.NoReturn => unreachable,
|
|
Id.Int => return @fieldParentPtr(Int, "base", base).getLlvmType(allocator, llvm_context),
|
|
Id.Float => return @fieldParentPtr(Float, "base", base).getLlvmType(allocator, llvm_context),
|
|
Id.Pointer => return @fieldParentPtr(Pointer, "base", base).getLlvmType(allocator, llvm_context),
|
|
Id.Array => return @fieldParentPtr(Array, "base", base).getLlvmType(allocator, llvm_context),
|
|
Id.ComptimeFloat => unreachable,
|
|
Id.ComptimeInt => unreachable,
|
|
Id.Undefined => unreachable,
|
|
Id.Null => unreachable,
|
|
Id.Optional => return @fieldParentPtr(Optional, "base", base).getLlvmType(allocator, llvm_context),
|
|
Id.ErrorUnion => return @fieldParentPtr(ErrorUnion, "base", base).getLlvmType(allocator, llvm_context),
|
|
Id.ErrorSet => return @fieldParentPtr(ErrorSet, "base", base).getLlvmType(allocator, llvm_context),
|
|
Id.Enum => return @fieldParentPtr(Enum, "base", base).getLlvmType(allocator, llvm_context),
|
|
Id.Union => return @fieldParentPtr(Union, "base", base).getLlvmType(allocator, llvm_context),
|
|
Id.Namespace => unreachable,
|
|
Id.BoundFn => return @fieldParentPtr(BoundFn, "base", base).getLlvmType(allocator, llvm_context),
|
|
Id.ArgTuple => unreachable,
|
|
Id.Opaque => return @fieldParentPtr(Opaque, "base", base).getLlvmType(allocator, llvm_context),
|
|
Id.Promise => return @fieldParentPtr(Promise, "base", base).getLlvmType(allocator, llvm_context),
|
|
}
|
|
}
|
|
|
|
pub fn handleIsPtr(base: *Type) bool {
|
|
switch (base.id) {
|
|
Id.Type,
|
|
Id.ComptimeFloat,
|
|
Id.ComptimeInt,
|
|
Id.Undefined,
|
|
Id.Null,
|
|
Id.Namespace,
|
|
Id.BoundFn,
|
|
Id.ArgTuple,
|
|
Id.Opaque,
|
|
=> unreachable,
|
|
|
|
Id.NoReturn,
|
|
Id.Void,
|
|
Id.Bool,
|
|
Id.Int,
|
|
Id.Float,
|
|
Id.Pointer,
|
|
Id.ErrorSet,
|
|
Id.Enum,
|
|
Id.Fn,
|
|
Id.Promise,
|
|
=> return false,
|
|
|
|
Id.Struct => @panic("TODO"),
|
|
Id.Array => @panic("TODO"),
|
|
Id.Optional => @panic("TODO"),
|
|
Id.ErrorUnion => @panic("TODO"),
|
|
Id.Union => @panic("TODO"),
|
|
}
|
|
}
|
|
|
|
pub fn hasBits(base: *Type) bool {
|
|
switch (base.id) {
|
|
Id.Type,
|
|
Id.ComptimeFloat,
|
|
Id.ComptimeInt,
|
|
Id.Undefined,
|
|
Id.Null,
|
|
Id.Namespace,
|
|
Id.BoundFn,
|
|
Id.ArgTuple,
|
|
Id.Opaque,
|
|
=> unreachable,
|
|
|
|
Id.Void,
|
|
Id.NoReturn,
|
|
=> return false,
|
|
|
|
Id.Bool,
|
|
Id.Int,
|
|
Id.Float,
|
|
Id.Fn,
|
|
Id.Promise,
|
|
=> return true,
|
|
|
|
Id.Pointer => {
|
|
const ptr_type = @fieldParentPtr(Pointer, "base", base);
|
|
return ptr_type.key.child_type.hasBits();
|
|
},
|
|
|
|
Id.ErrorSet => @panic("TODO"),
|
|
Id.Enum => @panic("TODO"),
|
|
Id.Struct => @panic("TODO"),
|
|
Id.Array => @panic("TODO"),
|
|
Id.Optional => @panic("TODO"),
|
|
Id.ErrorUnion => @panic("TODO"),
|
|
Id.Union => @panic("TODO"),
|
|
}
|
|
}
|
|
|
|
pub fn cast(base: *Type, comptime T: type) ?*T {
|
|
if (base.id != @field(Id, @typeName(T))) return null;
|
|
return @fieldParentPtr(T, "base", base);
|
|
}
|
|
|
|
pub fn dump(base: *const Type) void {
|
|
std.debug.warn("{}", @tagName(base.id));
|
|
}
|
|
|
|
fn init(base: *Type, comp: *Compilation, id: Id, name: []const u8) void {
|
|
base.* = Type{
|
|
.base = Value{
|
|
.id = Value.Id.Type,
|
|
.typ = &MetaType.get(comp).base,
|
|
.ref_count = std.atomic.Int(usize).init(1),
|
|
},
|
|
.id = id,
|
|
.name = name,
|
|
.abi_alignment = AbiAlignment.init(comp.loop),
|
|
};
|
|
}
|
|
|
|
/// If you happen to have an llvm context handy, use getAbiAlignmentInContext instead.
|
|
/// Otherwise, this one will grab one from the pool and then release it.
|
|
pub async fn getAbiAlignment(base: *Type, comp: *Compilation) !u32 {
|
|
if (await (async base.abi_alignment.start() catch unreachable)) |ptr| return ptr.*;
|
|
|
|
{
|
|
const held = try comp.zig_compiler.getAnyLlvmContext();
|
|
defer held.release(comp.zig_compiler);
|
|
|
|
const llvm_context = held.node.data;
|
|
|
|
base.abi_alignment.data = await (async base.resolveAbiAlignment(comp, llvm_context) catch unreachable);
|
|
}
|
|
base.abi_alignment.resolve();
|
|
return base.abi_alignment.data;
|
|
}
|
|
|
|
/// If you have an llvm conext handy, you can use it here.
|
|
pub async fn getAbiAlignmentInContext(base: *Type, comp: *Compilation, llvm_context: llvm.ContextRef) !u32 {
|
|
if (await (async base.abi_alignment.start() catch unreachable)) |ptr| return ptr.*;
|
|
|
|
base.abi_alignment.data = await (async base.resolveAbiAlignment(comp, llvm_context) catch unreachable);
|
|
base.abi_alignment.resolve();
|
|
return base.abi_alignment.data;
|
|
}
|
|
|
|
/// Lower level function that does the work. See getAbiAlignment.
|
|
async fn resolveAbiAlignment(base: *Type, comp: *Compilation, llvm_context: llvm.ContextRef) !u32 {
|
|
const llvm_type = try base.getLlvmType(comp.gpa(), llvm_context);
|
|
return @intCast(u32, llvm.ABIAlignmentOfType(comp.target_data_ref, llvm_type));
|
|
}
|
|
|
|
pub const Struct = struct {
|
|
base: Type,
|
|
decls: *Scope.Decls,
|
|
|
|
pub fn destroy(self: *Struct, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
|
|
pub fn getLlvmType(self: *Struct, allocator: *Allocator, llvm_context: llvm.ContextRef) llvm.TypeRef {
|
|
@panic("TODO");
|
|
}
|
|
};
|
|
|
|
pub const Fn = struct {
|
|
base: Type,
|
|
key: Key,
|
|
non_key: NonKey,
|
|
garbage_node: std.atomic.Stack(*Fn).Node,
|
|
|
|
pub const Kind = enum {
|
|
Normal,
|
|
Generic,
|
|
};
|
|
|
|
pub const NonKey = union {
|
|
Normal: Normal,
|
|
Generic: void,
|
|
|
|
pub const Normal = struct {
|
|
variable_list: std.ArrayList(*Scope.Var),
|
|
};
|
|
};
|
|
|
|
pub const Key = struct {
|
|
data: Data,
|
|
alignment: ?u32,
|
|
|
|
pub const Data = union(Kind) {
|
|
Generic: Generic,
|
|
Normal: Normal,
|
|
};
|
|
|
|
pub const Normal = struct {
|
|
params: []Param,
|
|
return_type: *Type,
|
|
is_var_args: bool,
|
|
cc: CallingConvention,
|
|
};
|
|
|
|
pub const Generic = struct {
|
|
param_count: usize,
|
|
cc: CC,
|
|
|
|
pub const CC = union(CallingConvention) {
|
|
Auto,
|
|
C,
|
|
Cold,
|
|
Naked,
|
|
Stdcall,
|
|
Async: *Type, // allocator type
|
|
};
|
|
};
|
|
|
|
pub fn hash(self: *const Key) u32 {
|
|
var result: u32 = 0;
|
|
result +%= hashAny(self.alignment, 0);
|
|
switch (self.data) {
|
|
Kind.Generic => |generic| {
|
|
result +%= hashAny(generic.param_count, 1);
|
|
switch (generic.cc) {
|
|
CallingConvention.Async => |allocator_type| result +%= hashAny(allocator_type, 2),
|
|
else => result +%= hashAny(CallingConvention(generic.cc), 3),
|
|
}
|
|
},
|
|
Kind.Normal => |normal| {
|
|
result +%= hashAny(normal.return_type, 4);
|
|
result +%= hashAny(normal.is_var_args, 5);
|
|
result +%= hashAny(normal.cc, 6);
|
|
for (normal.params) |param| {
|
|
result +%= hashAny(param.is_noalias, 7);
|
|
result +%= hashAny(param.typ, 8);
|
|
}
|
|
},
|
|
}
|
|
return result;
|
|
}
|
|
|
|
pub fn eql(self: *const Key, other: *const Key) bool {
|
|
if ((self.alignment == null) != (other.alignment == null)) return false;
|
|
if (self.alignment) |self_align| {
|
|
if (self_align != other.alignment.?) return false;
|
|
}
|
|
if (@TagType(Data)(self.data) != @TagType(Data)(other.data)) return false;
|
|
switch (self.data) {
|
|
Kind.Generic => |*self_generic| {
|
|
const other_generic = &other.data.Generic;
|
|
if (self_generic.param_count != other_generic.param_count) return false;
|
|
if (CallingConvention(self_generic.cc) != CallingConvention(other_generic.cc)) return false;
|
|
switch (self_generic.cc) {
|
|
CallingConvention.Async => |self_allocator_type| {
|
|
const other_allocator_type = other_generic.cc.Async;
|
|
if (self_allocator_type != other_allocator_type) return false;
|
|
},
|
|
else => {},
|
|
}
|
|
},
|
|
Kind.Normal => |*self_normal| {
|
|
const other_normal = &other.data.Normal;
|
|
if (self_normal.cc != other_normal.cc) return false;
|
|
if (self_normal.is_var_args != other_normal.is_var_args) return false;
|
|
if (self_normal.return_type != other_normal.return_type) return false;
|
|
for (self_normal.params) |*self_param, i| {
|
|
const other_param = &other_normal.params[i];
|
|
if (self_param.is_noalias != other_param.is_noalias) return false;
|
|
if (self_param.typ != other_param.typ) return false;
|
|
}
|
|
},
|
|
}
|
|
return true;
|
|
}
|
|
|
|
pub fn deref(key: Key, comp: *Compilation) void {
|
|
switch (key.data) {
|
|
Kind.Generic => |generic| {
|
|
switch (generic.cc) {
|
|
CallingConvention.Async => |allocator_type| allocator_type.base.deref(comp),
|
|
else => {},
|
|
}
|
|
},
|
|
Kind.Normal => |normal| {
|
|
normal.return_type.base.deref(comp);
|
|
for (normal.params) |param| {
|
|
param.typ.base.deref(comp);
|
|
}
|
|
},
|
|
}
|
|
}
|
|
|
|
pub fn ref(key: Key) void {
|
|
switch (key.data) {
|
|
Kind.Generic => |generic| {
|
|
switch (generic.cc) {
|
|
CallingConvention.Async => |allocator_type| allocator_type.base.ref(),
|
|
else => {},
|
|
}
|
|
},
|
|
Kind.Normal => |normal| {
|
|
normal.return_type.base.ref();
|
|
for (normal.params) |param| {
|
|
param.typ.base.ref();
|
|
}
|
|
},
|
|
}
|
|
}
|
|
};
|
|
|
|
pub const CallingConvention = enum {
|
|
Auto,
|
|
C,
|
|
Cold,
|
|
Naked,
|
|
Stdcall,
|
|
Async,
|
|
};
|
|
|
|
pub const Param = struct {
|
|
is_noalias: bool,
|
|
typ: *Type,
|
|
};
|
|
|
|
fn ccFnTypeStr(cc: CallingConvention) []const u8 {
|
|
return switch (cc) {
|
|
CallingConvention.Auto => "",
|
|
CallingConvention.C => "extern ",
|
|
CallingConvention.Cold => "coldcc ",
|
|
CallingConvention.Naked => "nakedcc ",
|
|
CallingConvention.Stdcall => "stdcallcc ",
|
|
CallingConvention.Async => unreachable,
|
|
};
|
|
}
|
|
|
|
pub fn paramCount(self: *Fn) usize {
|
|
return switch (self.key.data) {
|
|
Kind.Generic => |generic| generic.param_count,
|
|
Kind.Normal => |normal| normal.params.len,
|
|
};
|
|
}
|
|
|
|
/// takes ownership of key.Normal.params on success
|
|
pub async fn get(comp: *Compilation, key: Key) !*Fn {
|
|
{
|
|
const held = await (async comp.fn_type_table.acquire() catch unreachable);
|
|
defer held.release();
|
|
|
|
if (held.value.get(&key)) |entry| {
|
|
entry.value.base.base.ref();
|
|
return entry.value;
|
|
}
|
|
}
|
|
|
|
key.ref();
|
|
errdefer key.deref(comp);
|
|
|
|
const self = try comp.gpa().createOne(Fn);
|
|
self.* = Fn{
|
|
.base = undefined,
|
|
.key = key,
|
|
.non_key = undefined,
|
|
.garbage_node = undefined,
|
|
};
|
|
errdefer comp.gpa().destroy(self);
|
|
|
|
var name_buf = try std.Buffer.initSize(comp.gpa(), 0);
|
|
defer name_buf.deinit();
|
|
|
|
const name_stream = &std.io.BufferOutStream.init(&name_buf).stream;
|
|
|
|
switch (key.data) {
|
|
Kind.Generic => |generic| {
|
|
self.non_key = NonKey{ .Generic = {} };
|
|
switch (generic.cc) {
|
|
CallingConvention.Async => |async_allocator_type| {
|
|
try name_stream.print("async<{}> ", async_allocator_type.name);
|
|
},
|
|
else => {
|
|
const cc_str = ccFnTypeStr(generic.cc);
|
|
try name_stream.write(cc_str);
|
|
},
|
|
}
|
|
try name_stream.write("fn(");
|
|
var param_i: usize = 0;
|
|
while (param_i < generic.param_count) : (param_i += 1) {
|
|
const arg = if (param_i == 0) "var" else ", var";
|
|
try name_stream.write(arg);
|
|
}
|
|
try name_stream.write(")");
|
|
if (key.alignment) |alignment| {
|
|
try name_stream.print(" align<{}>", alignment);
|
|
}
|
|
try name_stream.write(" var");
|
|
},
|
|
Kind.Normal => |normal| {
|
|
self.non_key = NonKey{
|
|
.Normal = NonKey.Normal{ .variable_list = std.ArrayList(*Scope.Var).init(comp.gpa()) },
|
|
};
|
|
const cc_str = ccFnTypeStr(normal.cc);
|
|
try name_stream.print("{}fn(", cc_str);
|
|
for (normal.params) |param, i| {
|
|
if (i != 0) try name_stream.write(", ");
|
|
if (param.is_noalias) try name_stream.write("noalias ");
|
|
try name_stream.write(param.typ.name);
|
|
}
|
|
if (normal.is_var_args) {
|
|
if (normal.params.len != 0) try name_stream.write(", ");
|
|
try name_stream.write("...");
|
|
}
|
|
try name_stream.write(")");
|
|
if (key.alignment) |alignment| {
|
|
try name_stream.print(" align<{}>", alignment);
|
|
}
|
|
try name_stream.print(" {}", normal.return_type.name);
|
|
},
|
|
}
|
|
|
|
self.base.init(comp, Id.Fn, name_buf.toOwnedSlice());
|
|
|
|
{
|
|
const held = await (async comp.fn_type_table.acquire() catch unreachable);
|
|
defer held.release();
|
|
|
|
_ = try held.value.put(&self.key, self);
|
|
}
|
|
return self;
|
|
}
|
|
|
|
pub fn destroy(self: *Fn, comp: *Compilation) void {
|
|
self.key.deref(comp);
|
|
switch (self.key.data) {
|
|
Kind.Generic => {},
|
|
Kind.Normal => {
|
|
self.non_key.Normal.variable_list.deinit();
|
|
},
|
|
}
|
|
comp.gpa().destroy(self);
|
|
}
|
|
|
|
pub fn getLlvmType(self: *Fn, allocator: *Allocator, llvm_context: llvm.ContextRef) !llvm.TypeRef {
|
|
const normal = &self.key.data.Normal;
|
|
const llvm_return_type = switch (normal.return_type.id) {
|
|
Type.Id.Void => llvm.VoidTypeInContext(llvm_context) orelse return error.OutOfMemory,
|
|
else => try normal.return_type.getLlvmType(allocator, llvm_context),
|
|
};
|
|
const llvm_param_types = try allocator.alloc(llvm.TypeRef, normal.params.len);
|
|
defer allocator.free(llvm_param_types);
|
|
for (llvm_param_types) |*llvm_param_type, i| {
|
|
llvm_param_type.* = try normal.params[i].typ.getLlvmType(allocator, llvm_context);
|
|
}
|
|
|
|
return llvm.FunctionType(
|
|
llvm_return_type,
|
|
llvm_param_types.ptr,
|
|
@intCast(c_uint, llvm_param_types.len),
|
|
@boolToInt(normal.is_var_args),
|
|
) orelse error.OutOfMemory;
|
|
}
|
|
};
|
|
|
|
pub const MetaType = struct {
|
|
base: Type,
|
|
value: *Type,
|
|
|
|
/// Adds 1 reference to the resulting type
|
|
pub fn get(comp: *Compilation) *MetaType {
|
|
comp.meta_type.base.base.ref();
|
|
return comp.meta_type;
|
|
}
|
|
|
|
pub fn destroy(self: *MetaType, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
};
|
|
|
|
pub const Void = struct {
|
|
base: Type,
|
|
|
|
/// Adds 1 reference to the resulting type
|
|
pub fn get(comp: *Compilation) *Void {
|
|
comp.void_type.base.base.ref();
|
|
return comp.void_type;
|
|
}
|
|
|
|
pub fn destroy(self: *Void, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
};
|
|
|
|
pub const Bool = struct {
|
|
base: Type,
|
|
|
|
/// Adds 1 reference to the resulting type
|
|
pub fn get(comp: *Compilation) *Bool {
|
|
comp.bool_type.base.base.ref();
|
|
return comp.bool_type;
|
|
}
|
|
|
|
pub fn destroy(self: *Bool, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
|
|
pub fn getLlvmType(self: *Bool, allocator: *Allocator, llvm_context: llvm.ContextRef) llvm.TypeRef {
|
|
@panic("TODO");
|
|
}
|
|
};
|
|
|
|
pub const NoReturn = struct {
|
|
base: Type,
|
|
|
|
/// Adds 1 reference to the resulting type
|
|
pub fn get(comp: *Compilation) *NoReturn {
|
|
comp.noreturn_type.base.base.ref();
|
|
return comp.noreturn_type;
|
|
}
|
|
|
|
pub fn destroy(self: *NoReturn, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
};
|
|
|
|
pub const Int = struct {
|
|
base: Type,
|
|
key: Key,
|
|
garbage_node: std.atomic.Stack(*Int).Node,
|
|
|
|
pub const Key = struct {
|
|
bit_count: u32,
|
|
is_signed: bool,
|
|
|
|
pub fn hash(self: *const Key) u32 {
|
|
var result: u32 = 0;
|
|
result +%= hashAny(self.is_signed, 0);
|
|
result +%= hashAny(self.bit_count, 1);
|
|
return result;
|
|
}
|
|
|
|
pub fn eql(self: *const Key, other: *const Key) bool {
|
|
return self.bit_count == other.bit_count and self.is_signed == other.is_signed;
|
|
}
|
|
};
|
|
|
|
pub fn get_u8(comp: *Compilation) *Int {
|
|
comp.u8_type.base.base.ref();
|
|
return comp.u8_type;
|
|
}
|
|
|
|
pub async fn get(comp: *Compilation, key: Key) !*Int {
|
|
{
|
|
const held = await (async comp.int_type_table.acquire() catch unreachable);
|
|
defer held.release();
|
|
|
|
if (held.value.get(&key)) |entry| {
|
|
entry.value.base.base.ref();
|
|
return entry.value;
|
|
}
|
|
}
|
|
|
|
const self = try comp.gpa().create(Int{
|
|
.base = undefined,
|
|
.key = key,
|
|
.garbage_node = undefined,
|
|
});
|
|
errdefer comp.gpa().destroy(self);
|
|
|
|
const u_or_i = "ui"[@boolToInt(key.is_signed)];
|
|
const name = try std.fmt.allocPrint(comp.gpa(), "{c}{}", u_or_i, key.bit_count);
|
|
errdefer comp.gpa().free(name);
|
|
|
|
self.base.init(comp, Id.Int, name);
|
|
|
|
{
|
|
const held = await (async comp.int_type_table.acquire() catch unreachable);
|
|
defer held.release();
|
|
|
|
_ = try held.value.put(&self.key, self);
|
|
}
|
|
return self;
|
|
}
|
|
|
|
pub fn destroy(self: *Int, comp: *Compilation) void {
|
|
self.garbage_node = std.atomic.Stack(*Int).Node{
|
|
.data = self,
|
|
.next = undefined,
|
|
};
|
|
comp.registerGarbage(Int, &self.garbage_node);
|
|
}
|
|
|
|
pub async fn gcDestroy(self: *Int, comp: *Compilation) void {
|
|
{
|
|
const held = await (async comp.int_type_table.acquire() catch unreachable);
|
|
defer held.release();
|
|
|
|
_ = held.value.remove(&self.key).?;
|
|
}
|
|
// we allocated the name
|
|
comp.gpa().free(self.base.name);
|
|
comp.gpa().destroy(self);
|
|
}
|
|
|
|
pub fn getLlvmType(self: *Int, allocator: *Allocator, llvm_context: llvm.ContextRef) !llvm.TypeRef {
|
|
return llvm.IntTypeInContext(llvm_context, self.key.bit_count) orelse return error.OutOfMemory;
|
|
}
|
|
};
|
|
|
|
pub const Float = struct {
|
|
base: Type,
|
|
|
|
pub fn destroy(self: *Float, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
|
|
pub fn getLlvmType(self: *Float, allocator: *Allocator, llvm_context: llvm.ContextRef) llvm.TypeRef {
|
|
@panic("TODO");
|
|
}
|
|
};
|
|
pub const Pointer = struct {
|
|
base: Type,
|
|
key: Key,
|
|
garbage_node: std.atomic.Stack(*Pointer).Node,
|
|
|
|
pub const Key = struct {
|
|
child_type: *Type,
|
|
mut: Mut,
|
|
vol: Vol,
|
|
size: Size,
|
|
alignment: Align,
|
|
|
|
pub fn hash(self: *const Key) u32 {
|
|
var result: u32 = 0;
|
|
result +%= switch (self.alignment) {
|
|
Align.Abi => 0xf201c090,
|
|
Align.Override => |x| hashAny(x, 0),
|
|
};
|
|
result +%= hashAny(self.child_type, 1);
|
|
result +%= hashAny(self.mut, 2);
|
|
result +%= hashAny(self.vol, 3);
|
|
result +%= hashAny(self.size, 4);
|
|
return result;
|
|
}
|
|
|
|
pub fn eql(self: *const Key, other: *const Key) bool {
|
|
if (self.child_type != other.child_type or
|
|
self.mut != other.mut or
|
|
self.vol != other.vol or
|
|
self.size != other.size or
|
|
@TagType(Align)(self.alignment) != @TagType(Align)(other.alignment))
|
|
{
|
|
return false;
|
|
}
|
|
switch (self.alignment) {
|
|
Align.Abi => return true,
|
|
Align.Override => |x| return x == other.alignment.Override,
|
|
}
|
|
}
|
|
};
|
|
|
|
pub const Mut = enum {
|
|
Mut,
|
|
Const,
|
|
};
|
|
|
|
pub const Vol = enum {
|
|
Non,
|
|
Volatile,
|
|
};
|
|
|
|
pub const Align = union(enum) {
|
|
Abi,
|
|
Override: u32,
|
|
};
|
|
|
|
pub const Size = builtin.TypeInfo.Pointer.Size;
|
|
|
|
pub fn destroy(self: *Pointer, comp: *Compilation) void {
|
|
self.garbage_node = std.atomic.Stack(*Pointer).Node{
|
|
.data = self,
|
|
.next = undefined,
|
|
};
|
|
comp.registerGarbage(Pointer, &self.garbage_node);
|
|
}
|
|
|
|
pub async fn gcDestroy(self: *Pointer, comp: *Compilation) void {
|
|
{
|
|
const held = await (async comp.ptr_type_table.acquire() catch unreachable);
|
|
defer held.release();
|
|
|
|
_ = held.value.remove(&self.key).?;
|
|
}
|
|
self.key.child_type.base.deref(comp);
|
|
comp.gpa().destroy(self);
|
|
}
|
|
|
|
pub async fn getAlignAsInt(self: *Pointer, comp: *Compilation) u32 {
|
|
switch (self.key.alignment) {
|
|
Align.Abi => return await (async self.key.child_type.getAbiAlignment(comp) catch unreachable),
|
|
Align.Override => |alignment| return alignment,
|
|
}
|
|
}
|
|
|
|
pub async fn get(
|
|
comp: *Compilation,
|
|
key: Key,
|
|
) !*Pointer {
|
|
var normal_key = key;
|
|
switch (key.alignment) {
|
|
Align.Abi => {},
|
|
Align.Override => |alignment| {
|
|
const abi_align = try await (async key.child_type.getAbiAlignment(comp) catch unreachable);
|
|
if (abi_align == alignment) {
|
|
normal_key.alignment = Align.Abi;
|
|
}
|
|
},
|
|
}
|
|
{
|
|
const held = await (async comp.ptr_type_table.acquire() catch unreachable);
|
|
defer held.release();
|
|
|
|
if (held.value.get(&normal_key)) |entry| {
|
|
entry.value.base.base.ref();
|
|
return entry.value;
|
|
}
|
|
}
|
|
|
|
const self = try comp.gpa().create(Pointer{
|
|
.base = undefined,
|
|
.key = normal_key,
|
|
.garbage_node = undefined,
|
|
});
|
|
errdefer comp.gpa().destroy(self);
|
|
|
|
const size_str = switch (self.key.size) {
|
|
Size.One => "*",
|
|
Size.Many => "[*]",
|
|
Size.Slice => "[]",
|
|
};
|
|
const mut_str = switch (self.key.mut) {
|
|
Mut.Const => "const ",
|
|
Mut.Mut => "",
|
|
};
|
|
const vol_str = switch (self.key.vol) {
|
|
Vol.Volatile => "volatile ",
|
|
Vol.Non => "",
|
|
};
|
|
const name = switch (self.key.alignment) {
|
|
Align.Abi => try std.fmt.allocPrint(
|
|
comp.gpa(),
|
|
"{}{}{}{}",
|
|
size_str,
|
|
mut_str,
|
|
vol_str,
|
|
self.key.child_type.name,
|
|
),
|
|
Align.Override => |alignment| try std.fmt.allocPrint(
|
|
comp.gpa(),
|
|
"{}align<{}> {}{}{}",
|
|
size_str,
|
|
alignment,
|
|
mut_str,
|
|
vol_str,
|
|
self.key.child_type.name,
|
|
),
|
|
};
|
|
errdefer comp.gpa().free(name);
|
|
|
|
self.base.init(comp, Id.Pointer, name);
|
|
|
|
{
|
|
const held = await (async comp.ptr_type_table.acquire() catch unreachable);
|
|
defer held.release();
|
|
|
|
_ = try held.value.put(&self.key, self);
|
|
}
|
|
return self;
|
|
}
|
|
|
|
pub fn getLlvmType(self: *Pointer, allocator: *Allocator, llvm_context: llvm.ContextRef) !llvm.TypeRef {
|
|
const elem_llvm_type = try self.key.child_type.getLlvmType(allocator, llvm_context);
|
|
return llvm.PointerType(elem_llvm_type, 0) orelse return error.OutOfMemory;
|
|
}
|
|
};
|
|
|
|
pub const Array = struct {
|
|
base: Type,
|
|
key: Key,
|
|
garbage_node: std.atomic.Stack(*Array).Node,
|
|
|
|
pub const Key = struct {
|
|
elem_type: *Type,
|
|
len: usize,
|
|
|
|
pub fn hash(self: *const Key) u32 {
|
|
var result: u32 = 0;
|
|
result +%= hashAny(self.elem_type, 0);
|
|
result +%= hashAny(self.len, 1);
|
|
return result;
|
|
}
|
|
|
|
pub fn eql(self: *const Key, other: *const Key) bool {
|
|
return self.elem_type == other.elem_type and self.len == other.len;
|
|
}
|
|
};
|
|
|
|
pub fn destroy(self: *Array, comp: *Compilation) void {
|
|
self.key.elem_type.base.deref(comp);
|
|
comp.gpa().destroy(self);
|
|
}
|
|
|
|
pub async fn get(comp: *Compilation, key: Key) !*Array {
|
|
key.elem_type.base.ref();
|
|
errdefer key.elem_type.base.deref(comp);
|
|
|
|
{
|
|
const held = await (async comp.array_type_table.acquire() catch unreachable);
|
|
defer held.release();
|
|
|
|
if (held.value.get(&key)) |entry| {
|
|
entry.value.base.base.ref();
|
|
return entry.value;
|
|
}
|
|
}
|
|
|
|
const self = try comp.gpa().create(Array{
|
|
.base = undefined,
|
|
.key = key,
|
|
.garbage_node = undefined,
|
|
});
|
|
errdefer comp.gpa().destroy(self);
|
|
|
|
const name = try std.fmt.allocPrint(comp.gpa(), "[{}]{}", key.len, key.elem_type.name);
|
|
errdefer comp.gpa().free(name);
|
|
|
|
self.base.init(comp, Id.Array, name);
|
|
|
|
{
|
|
const held = await (async comp.array_type_table.acquire() catch unreachable);
|
|
defer held.release();
|
|
|
|
_ = try held.value.put(&self.key, self);
|
|
}
|
|
return self;
|
|
}
|
|
|
|
pub fn getLlvmType(self: *Array, allocator: *Allocator, llvm_context: llvm.ContextRef) !llvm.TypeRef {
|
|
const elem_llvm_type = try self.key.elem_type.getLlvmType(allocator, llvm_context);
|
|
return llvm.ArrayType(elem_llvm_type, @intCast(c_uint, self.key.len)) orelse return error.OutOfMemory;
|
|
}
|
|
};
|
|
|
|
pub const ComptimeFloat = struct {
|
|
base: Type,
|
|
|
|
pub fn destroy(self: *ComptimeFloat, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
};
|
|
|
|
pub const ComptimeInt = struct {
|
|
base: Type,
|
|
|
|
/// Adds 1 reference to the resulting type
|
|
pub fn get(comp: *Compilation) *ComptimeInt {
|
|
comp.comptime_int_type.base.base.ref();
|
|
return comp.comptime_int_type;
|
|
}
|
|
|
|
pub fn destroy(self: *ComptimeInt, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
};
|
|
|
|
pub const Undefined = struct {
|
|
base: Type,
|
|
|
|
pub fn destroy(self: *Undefined, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
};
|
|
|
|
pub const Null = struct {
|
|
base: Type,
|
|
|
|
pub fn destroy(self: *Null, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
};
|
|
|
|
pub const Optional = struct {
|
|
base: Type,
|
|
|
|
pub fn destroy(self: *Optional, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
|
|
pub fn getLlvmType(self: *Optional, allocator: *Allocator, llvm_context: llvm.ContextRef) llvm.TypeRef {
|
|
@panic("TODO");
|
|
}
|
|
};
|
|
|
|
pub const ErrorUnion = struct {
|
|
base: Type,
|
|
|
|
pub fn destroy(self: *ErrorUnion, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
|
|
pub fn getLlvmType(self: *ErrorUnion, allocator: *Allocator, llvm_context: llvm.ContextRef) llvm.TypeRef {
|
|
@panic("TODO");
|
|
}
|
|
};
|
|
|
|
pub const ErrorSet = struct {
|
|
base: Type,
|
|
|
|
pub fn destroy(self: *ErrorSet, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
|
|
pub fn getLlvmType(self: *ErrorSet, allocator: *Allocator, llvm_context: llvm.ContextRef) llvm.TypeRef {
|
|
@panic("TODO");
|
|
}
|
|
};
|
|
|
|
pub const Enum = struct {
|
|
base: Type,
|
|
|
|
pub fn destroy(self: *Enum, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
|
|
pub fn getLlvmType(self: *Enum, allocator: *Allocator, llvm_context: llvm.ContextRef) llvm.TypeRef {
|
|
@panic("TODO");
|
|
}
|
|
};
|
|
|
|
pub const Union = struct {
|
|
base: Type,
|
|
|
|
pub fn destroy(self: *Union, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
|
|
pub fn getLlvmType(self: *Union, allocator: *Allocator, llvm_context: llvm.ContextRef) llvm.TypeRef {
|
|
@panic("TODO");
|
|
}
|
|
};
|
|
|
|
pub const Namespace = struct {
|
|
base: Type,
|
|
|
|
pub fn destroy(self: *Namespace, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
};
|
|
|
|
pub const BoundFn = struct {
|
|
base: Type,
|
|
|
|
pub fn destroy(self: *BoundFn, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
|
|
pub fn getLlvmType(self: *BoundFn, allocator: *Allocator, llvm_context: llvm.ContextRef) llvm.TypeRef {
|
|
@panic("TODO");
|
|
}
|
|
};
|
|
|
|
pub const ArgTuple = struct {
|
|
base: Type,
|
|
|
|
pub fn destroy(self: *ArgTuple, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
};
|
|
|
|
pub const Opaque = struct {
|
|
base: Type,
|
|
|
|
pub fn destroy(self: *Opaque, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
|
|
pub fn getLlvmType(self: *Opaque, allocator: *Allocator, llvm_context: llvm.ContextRef) llvm.TypeRef {
|
|
@panic("TODO");
|
|
}
|
|
};
|
|
|
|
pub const Promise = struct {
|
|
base: Type,
|
|
|
|
pub fn destroy(self: *Promise, comp: *Compilation) void {
|
|
comp.gpa().destroy(self);
|
|
}
|
|
|
|
pub fn getLlvmType(self: *Promise, allocator: *Allocator, llvm_context: llvm.ContextRef) llvm.TypeRef {
|
|
@panic("TODO");
|
|
}
|
|
};
|
|
};
|
|
|
|
fn hashAny(x: var, comptime seed: u64) u32 {
|
|
switch (@typeInfo(@typeOf(x))) {
|
|
builtin.TypeId.Int => |info| {
|
|
comptime var rng = comptime std.rand.DefaultPrng.init(seed);
|
|
const unsigned_x = @bitCast(@IntType(false, info.bits), x);
|
|
if (info.bits <= 32) {
|
|
return u32(unsigned_x) *% comptime rng.random.scalar(u32);
|
|
} else {
|
|
return @truncate(u32, unsigned_x *% comptime rng.random.scalar(@typeOf(unsigned_x)));
|
|
}
|
|
},
|
|
builtin.TypeId.Pointer => |info| {
|
|
switch (info.size) {
|
|
builtin.TypeInfo.Pointer.Size.One => return hashAny(@ptrToInt(x), seed),
|
|
builtin.TypeInfo.Pointer.Size.Many => @compileError("implement hash function"),
|
|
builtin.TypeInfo.Pointer.Size.Slice => @compileError("implement hash function"),
|
|
}
|
|
},
|
|
builtin.TypeId.Enum => return hashAny(@enumToInt(x), seed),
|
|
builtin.TypeId.Bool => {
|
|
comptime var rng = comptime std.rand.DefaultPrng.init(seed);
|
|
const vals = comptime [2]u32{ rng.random.scalar(u32), rng.random.scalar(u32) };
|
|
return vals[@boolToInt(x)];
|
|
},
|
|
builtin.TypeId.Optional => {
|
|
if (x) |non_opt| {
|
|
return hashAny(non_opt, seed);
|
|
} else {
|
|
return hashAny(u32(1), seed);
|
|
}
|
|
},
|
|
else => @compileError("implement hash function for " ++ @typeName(@typeOf(x))),
|
|
}
|
|
}
|