mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-23 18:52:11 +00:00
46 lines
1 KiB
Go
46 lines
1 KiB
Go
// Copyright 2019 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package goobj
|
|
|
|
// Builtin (compiler-generated) function references appear
|
|
// frequently. We assign special indices for them, so they
|
|
// don't need to be referenced by name.
|
|
|
|
// NBuiltin returns the number of listed builtin
|
|
// symbols.
|
|
func NBuiltin() int {
|
|
return len(builtins)
|
|
}
|
|
|
|
// BuiltinName returns the name and ABI of the i-th
|
|
// builtin symbol.
|
|
func BuiltinName(i int) (string, int) {
|
|
return builtins[i].name, builtins[i].abi
|
|
}
|
|
|
|
// BuiltinIdx returns the index of the builtin with the
|
|
// given name and abi, or -1 if it is not a builtin.
|
|
func BuiltinIdx(name string, abi int) int {
|
|
i, ok := builtinMap[name]
|
|
if !ok {
|
|
return -1
|
|
}
|
|
if builtins[i].abi != abi {
|
|
return -1
|
|
}
|
|
return i
|
|
}
|
|
|
|
//go:generate go run mkbuiltin.go
|
|
|
|
var builtinMap map[string]int
|
|
|
|
func init() {
|
|
builtinMap = make(map[string]int, len(builtins))
|
|
for i, b := range builtins {
|
|
builtinMap[b.name] = i
|
|
}
|
|
}
|