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// SPDX-FileCopyrightText: 2024 Himbeer <himbeer@disroot.org>
//
// SPDX-License-Identifier: GPL-3.0-or-later
package main
import "fmt"
type cerType interface {
fmt.Stringer
qbeBaseType() string
qbeExtType() string
qbeABIType() string
}
type cerInteger struct {
bits int
unsigned bool
}
func (c cerInteger) String() string {
unsigned := ""
if c.unsigned {
unsigned = "u"
}
return fmt.Sprintf("%sint%d", unsigned, c.bits)
}
func (c cerInteger) qbeBaseType() string {
switch {
case c.bits > 32:
return "l"
default:
return "w"
}
}
func (c cerInteger) qbeExtType() string {
switch {
case c.bits > 32:
return "l"
case c.bits > 16:
return "w"
case c.bits > 8:
return "h"
default:
return "b"
}
}
func (c cerInteger) qbeABIType() string {
signedness := "s"
if c.unsigned {
signedness = "u"
}
switch {
case c.bits > 32:
return "l"
case c.bits > 16:
return "w"
case c.bits > 8:
return signedness + "h"
default:
return signedness + "b"
}
}
func resolveType(name string) cerType {
switch name {
case "int8":
return cerInteger{bits: 8}
case "uint8":
return cerInteger{bits: 8, unsigned: true}
case "int16":
return cerInteger{bits: 16}
case "uint16":
return cerInteger{bits: 16, unsigned: true}
case "int32":
return cerInteger{bits: 32}
case "uint32":
return cerInteger{bits: 32, unsigned: true}
case "int64":
return cerInteger{bits: 64}
case "uint64":
return cerInteger{bits: 64, unsigned: true}
default:
return nil
}
}
var (
cerInt8 = cerInteger{bits: 8}
cerUint8 = cerInteger{bits: 8, unsigned: true}
cerInt16 = cerInteger{bits: 16}
cerUint16 = cerInteger{bits: 16, unsigned: true}
cerInt32 = cerInteger{bits: 32}
cerUint32 = cerInteger{bits: 32, unsigned: true}
cerInt64 = cerInteger{bits: 64}
cerUint64 = cerInteger{bits: 64, unsigned: true}
)
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