func (tm *llvmTypeMap) basicLLVMType(b *types.Basic) llvm.Type {
switch b.Kind() {
case types.Bool:
return llvm.Int1Type()
case types.Int8, types.Uint8:
return llvm.Int8Type()
case types.Int16, types.Uint16:
return llvm.Int16Type()
case types.Int32, types.Uint32:
return llvm.Int32Type()
case types.Uint, types.Int:
return tm.inttype
case types.Int64, types.Uint64:
return llvm.Int64Type()
case types.Float32:
return llvm.FloatType()
case types.Float64:
return llvm.DoubleType()
case types.UnsafePointer, types.Uintptr:
return tm.target.IntPtrType()
case types.Complex64:
f32 := llvm.FloatType()
elements := []llvm.Type{f32, f32}
return llvm.StructType(elements, false)
case types.Complex128:
f64 := llvm.DoubleType()
elements := []llvm.Type{f64, f64}
return llvm.StructType(elements, false)
case types.String:
i8ptr := llvm.PointerType(llvm.Int8Type(), 0)
elements := []llvm.Type{i8ptr, tm.inttype}
return llvm.StructType(elements, false)
}
panic(fmt.Sprint("unhandled kind: ", b.Kind))
}
func toJavaScriptType(t *types.Basic) string {
switch t.Kind() {
case types.UntypedInt:
return "Int"
default:
name := t.String()
return strings.ToUpper(name[:1]) + name[1:]
}
}
func toJavaScriptType(t *types.Basic) string {
switch t.Kind() {
case types.UntypedInt:
return "Int"
case types.Byte:
return "Uint8"
case types.Rune:
return "Int32"
case types.UnsafePointer:
return "UnsafePointer"
default:
name := t.String()
return strings.ToUpper(name[:1]) + name[1:]
}
}
func fixNumber(value string, basic *types.Basic) string {
switch basic.Kind() {
case types.Int8:
return "(" + value + " << 24 >> 24)"
case types.Uint8:
return "(" + value + " << 24 >>> 24)"
case types.Int16:
return "(" + value + " << 16 >> 16)"
case types.Uint16:
return "(" + value + " << 16 >>> 16)"
case types.Int32:
return "(" + value + " >> 0)"
case types.Uint32, types.Uintptr:
return "(" + value + " >>> 0)"
}
return "(" + value + ")"
}
func (c *funcContext) fixNumber(value *expression, basic *types.Basic) *expression {
switch basic.Kind() {
case types.Int8:
return c.formatParenExpr("%s << 24 >> 24", value)
case types.Uint8:
return c.formatParenExpr("%s << 24 >>> 24", value)
case types.Int16:
return c.formatParenExpr("%s << 16 >> 16", value)
case types.Uint16:
return c.formatParenExpr("%s << 16 >>> 16", value)
case types.Int32, types.Int:
return c.formatParenExpr("%s >> 0", value)
case types.Uint32, types.Uint, types.Uintptr:
return c.formatParenExpr("%s >>> 0", value)
default:
panic(int(basic.Kind()))
}
}
// basicRuntimeType creates the runtime type structure for
// a basic type. If underlying is true, then a new global
// is always created.
func (tm *TypeMap) basicRuntimeType(b *types.Basic, underlying bool) (global, ptr llvm.Value) {
var globalname string
if !underlying {
globalname = "__llgo.type.runtime." + tm.TypeString(b)
if tm.pkgpath != "runtime" {
global := llvm.AddGlobal(tm.module, tm.runtimeType, globalname)
global.SetInitializer(llvm.ConstNull(tm.runtimeType))
global.SetLinkage(llvm.CommonLinkage)
return global, global
}
}
rtype := tm.makeRtype(b, basicReflectKinds[b.Kind()])
global, ptr = tm.makeRuntimeTypeGlobal(rtype)
if globalname != "" {
global.SetName(globalname)
}
return global, ptr
}
// basicRuntimeType creates the runtime type structure for
// a basic type. If underlying is true, then a new global
// is always created.
func (tm *TypeMap) basicRuntimeType(b *types.Basic, underlying bool) (global, ptr llvm.Value) {
b = types.Typ[b.Kind()] // unalias
var name string
if !underlying {
name = typeString(b)
if tm.pkgpath != "runtime" {
global := llvm.AddGlobal(tm.module, tm.runtime.rtype.llvm, typeSymbol(name))
global.SetInitializer(llvm.ConstNull(tm.runtime.rtype.llvm))
global.SetLinkage(llvm.CommonLinkage)
return global, global
}
}
rtype := tm.makeRtype(b, basicReflectKinds[b.Kind()])
global, ptr = tm.makeRuntimeTypeGlobal(rtype, name)
global.SetLinkage(llvm.ExternalLinkage)
if !underlying {
switch b.Kind() {
case types.Int32:
llvm.AddAlias(tm.module, global.Type(), global, typeSymbol("rune"))
case types.Uint8:
llvm.AddAlias(tm.module, global.Type(), global, typeSymbol("byte"))
}
}
return global, ptr
}
func (m *TypeMap) descriptorBasic(t *types.Basic, name string) TypeDebugDescriptor {
switch t.Kind() {
case types.String:
return m.descriptorStruct(types.NewStruct([]*types.Var{
types.NewVar(0, nil, "ptr", types.NewPointer(types.Typ[types.Uint8])),
types.NewVar(0, nil, "len", types.Typ[types.Int]),
}, nil), name)
case types.UnsafePointer:
return &BasicTypeDescriptor{
TypeDescriptorCommon: TypeDescriptorCommon{
Name: name,
Size: uint64(m.Sizes.Sizeof(t) * 8),
Alignment: uint64(m.Sizes.Alignof(t) * 8),
},
TypeEncoding: DW_ATE_unsigned,
}
default:
bt := &BasicTypeDescriptor{
TypeDescriptorCommon: TypeDescriptorCommon{
Name: t.String(),
Size: uint64(m.Sizes.Sizeof(t) * 8),
Alignment: uint64(m.Sizes.Alignof(t) * 8),
},
}
switch bi := t.Info(); {
case bi&types.IsBoolean != 0:
bt.TypeEncoding = DW_ATE_boolean
case bi&types.IsUnsigned != 0:
bt.TypeEncoding = DW_ATE_unsigned
case bi&types.IsInteger != 0:
bt.TypeEncoding = DW_ATE_signed
case bi&types.IsFloat != 0:
bt.TypeEncoding = DW_ATE_float
case bi&types.IsComplex != 0:
bt.TypeEncoding = DW_ATE_imaginary_float
case bi&types.IsUnsigned != 0:
bt.TypeEncoding = DW_ATE_unsigned
default:
panic(fmt.Sprintf("unhandled: %#v", t))
}
return bt
}
}
func isComplex(t *types.Basic) bool {
return t.Kind() == types.Complex64 || t.Kind() == types.Complex128
}
func is64Bit(t *types.Basic) bool {
return t.Kind() == types.Int64 || t.Kind() == types.Uint64
}
func (tm *TypeMap) basicRuntimeType(b *types.Basic) (global, ptr llvm.Value) {
rtype := tm.makeRtype(b, basicReflectKinds[b.Kind()])
return tm.makeRuntimeTypeGlobal(rtype)
}