Celestino Amoroso
9df9ad5dd1
Also changed and exported some identiefier relatet to the builtin feature
49 lines
1.1 KiB
Go
49 lines
1.1 KiB
Go
// Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
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// All rights reserved.
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// builtins-register.go
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package expr
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import (
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"fmt"
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)
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type builtinModule struct {
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importFunc func(ExprContext)
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description string
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imported bool
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}
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func newBuiltinModule(importFunc func(ExprContext), description string) *builtinModule {
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return &builtinModule{importFunc, description, false}
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}
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var builtinModuleRegister map[string]*builtinModule
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func RegisterBuiltinModule(name string, importFunc func(ExprContext), description string) {
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if builtinModuleRegister == nil {
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builtinModuleRegister = make(map[string]*builtinModule)
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}
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if _, exists := builtinModuleRegister[name]; exists {
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panic(fmt.Errorf("module %q already registered", name))
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}
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builtinModuleRegister[name] = newBuiltinModule(importFunc, description)
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}
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func IterateBuiltinModules(op func(name, description string, imported bool) bool) {
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if op != nil {
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for name, mod := range builtinModuleRegister {
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if !op(name, mod.description, mod.imported) {
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break
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}
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}
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}
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}
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// ----
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func init() {
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if builtinModuleRegister == nil {
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builtinModuleRegister = make(map[string]*builtinModule)
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}
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}
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