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import { Type } from 'ts-morph'
import { Ctx } from '../types'
import { evalList } from '../util'
export default (ctx: Ctx, args: Type[]) => ({
SetEvalEnvironment: async () => {
ctx.setEnv(ctx.getTypeValue(args[0]))
return []
},
DefineEffect: async () => {
const [nameTyp, exprTyp] = args
const name = nameTyp?.getLiteralValue() as string
const exprStr = exprTyp?.getLiteralValue() as string
ctx.addCustomEffect(name, exprStr)
return []
},
CreateRef: async () => {
const val = ctx.typeToString(args[0])
const refKey = ctx.createRef(val)
const [resultKey, _] = ctx.createResult(JSON.stringify(refKey))
return [resultKey]
},
GetRef: async () => {
const refKey = ctx.getTypeValue(args[0])
const val = ctx.getRef(refKey)
if (!val) throw new Error('Ref has been deleted')
const [resultKey, _] = ctx.createResult(val)
return [resultKey]
},
SetRef: async () => {
const [keyTy, valTyp] = args
ctx.setRef(ctx.getTypeValue(keyTy), ctx.typeToString(valTyp))
return []
},
DeleteRef: async () => {
ctx.deleteRef(ctx.getTypeValue(args[0]))
return []
},
Pure: async () => {
const [valTyp] = args
const [resultKey, _] = ctx.createResult(ctx.typeToString(valTyp))
return [resultKey]
},
Print: async () => {
console.log(...args.map(ctx.typeToString))
return []
},
PutString: async () => {
const [strinTyp] = args
const typString = ctx.getTypeValue(strinTyp) ?? ctx.typeToString(strinTyp)
process.stdout.write(typString)
return []
},
Debug: async () => {
const [labelTyp, valueTyp] = args
const label = ctx.getTypeValue(labelTyp)
const value = ctx.typeToString(valueTyp)
console.log(label, value)
const [resultKey, _] = ctx.createResult(JSON.stringify(value))
return [resultKey]
},
Bind: async () => {
const [inputTyp, chainToKind] = args
const [resultKey] = inputTyp ? await ctx.evaluateType(ctx, inputTyp) : []
// TODO: Handle resultKey undefined case
const [_, compNode] = ctx.createResult(
`(${ctx.typeToString(chainToKind)} & { input: (${ctx.getResultExpr(
resultKey
)})['output'] })['return']`
)
// TODO: Avoid using getTypeAtLocation?
const compTyp = compNode
?.getType()
.getProperty('output')
?.getTypeAtLocation(ctx.entryPoint)
return compTyp ? await ctx.evaluateType(ctx, compTyp) : []
},
Try: async () => {
const [effTyp, catchK] = args
try {
if (!effTyp) throw new Error('wow')
return await ctx.evaluateType(ctx, effTyp)
} catch (e) {
const error = JSON.stringify((e as any)?.message ?? e)
const catchResExpr = `(${ctx.typeToString(
catchK
)} & { input: ${error} })['return']`
const [resultKey, _] = ctx.createResult(catchResExpr)
return [resultKey]
}
},
Throw: async () => {
throw args[0] && ctx.getTypeValue(args[0])
},
JsExpr: async () => {
const [exprTyp] = args
const exprStr = ctx.getTypeValue(exprTyp)
const result = eval(`JSON.stringify(${exprStr})`)
const [resultKey, _] = ctx.createResult(`${result}`)
return [resultKey]
},
Seq: async () => {
const [effectTyps] = args
const effectResults = await evalList(
ctx,
effectTyps?.getTupleElements() ?? []
)
const [resultKey, _] = ctx.createResult(`[
${effectResults.map(ctx.getResultExpr).join(', ')}
]`)
return [resultKey]
},
Do: async () => {
const [effectTyps] = args
const effectResults = await evalList(
ctx,
effectTyps?.getTupleElements() ?? []
)
// TODO: Use last type's result instead of last result key
const lastResKey = effectResults[effectResults.length - 1]
const [resultKey, _] = ctx.createResult(
`(${ctx.getResultExpr(lastResKey)})['output']`
)
return [resultKey]
},
})
|
