M.V. Hutz
d715d38e9e
- Rename pkg/interpreter to pkg/runtime - Move ReduceOnce to new pkg/normalorder package - Convert standalone functions (Substitute, Rename, GetFree, IsFree) to receiver methods on concrete expression types - Change Set from pointer receivers to value receivers - Update all references from interpreter to runtime terminology Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
28 lines
801 B
Go
28 lines
801 B
Go
// Package runtime provides the abstract Reducer interface for all expression
|
|
// reduction strategies.
|
|
package runtime
|
|
|
|
import (
|
|
"git.maximhutz.com/max/lambda/pkg/emitter"
|
|
"git.maximhutz.com/max/lambda/pkg/expr"
|
|
)
|
|
|
|
// Runtime defines the interface for expression reduction strategies.
|
|
// Different evaluation modes (normal order, applicative order, SKI combinators,
|
|
// etc.) implement this interface with their own reduction logic.
|
|
//
|
|
// Runtimes also implement the Emitter interface to allow plugins to observe
|
|
// reduction lifecycle events (Start, Step, Stop).
|
|
type Runtime interface {
|
|
emitter.Emitter[Event]
|
|
|
|
// Run a single step. Returns whether the runtime is complete or not.
|
|
Step() bool
|
|
|
|
// Run until completion.
|
|
Run()
|
|
|
|
// Copy the state of the runtime.
|
|
Expression() expr.Expression
|
|
}
|