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 (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, types.UntypedInt:
return c.formatParenExpr("%s >> 0", value)
case types.Uint32, types.Uint, types.Uintptr:
return c.formatParenExpr("%s >>> 0", value)
case types.Float32:
return c.formatExpr("$fround(%s)", value)
case types.Float64:
return value
default:
panic(fmt.Sprintf("fixNumber: unhandled basic.Kind(): %s", basic.String()))
}
}
func (d *DIBuilder) descriptorBasic(t *types.Basic, name string) llvm.Value {
switch t.Kind() {
case types.String:
return d.typeDebugDescriptor(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 d.builder.CreateBasicType(llvm.DIBasicType{
Name: name,
SizeInBits: uint64(d.sizes.Sizeof(t) * 8),
AlignInBits: uint64(d.sizes.Alignof(t) * 8),
Encoding: llvm.DW_ATE_unsigned,
})
default:
bt := llvm.DIBasicType{
Name: t.String(),
SizeInBits: uint64(d.sizes.Sizeof(t) * 8),
AlignInBits: uint64(d.sizes.Alignof(t) * 8),
}
switch bi := t.Info(); {
case bi&types.IsBoolean != 0:
bt.Encoding = llvm.DW_ATE_boolean
case bi&types.IsUnsigned != 0:
bt.Encoding = llvm.DW_ATE_unsigned
case bi&types.IsInteger != 0:
bt.Encoding = llvm.DW_ATE_signed
case bi&types.IsFloat != 0:
bt.Encoding = llvm.DW_ATE_float
case bi&types.IsComplex != 0:
bt.Encoding = llvm.DW_ATE_imaginary_float
case bi&types.IsUnsigned != 0:
bt.Encoding = llvm.DW_ATE_unsigned
default:
panic(fmt.Sprintf("unhandled: %#v", t))
}
return d.builder.CreateBasicType(bt)
}
}
func is64Bit(t *types.Basic) bool {
return t.Kind() == types.Int64 || t.Kind() == types.Uint64
}