File size: 6,301 Bytes
3e05655 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 | export * as ToolRegistry from "./registry"
import { ToolOutput, type ToolCall, type ToolDefinition, type ToolResultValue } from "@opencode-ai/llm"
import { Context, Effect, Layer, Scope } from "effect"
import { AgentV2 } from "../agent"
import { PermissionV2 } from "../permission"
import { SessionMessage } from "../session/message"
import { SessionSchema } from "../session/schema"
import { ToolOutputStore } from "../tool-output-store"
import { Wildcard } from "../util/wildcard"
import { ApplicationTools } from "./application-tools"
import { definition, permission, settle, validateName, type AnyTool, type RegistrationError } from "./tool"
import { Tools } from "./tools"
import { makeLocationNode } from "../effect/app-node"
export type ExecuteInput = {
readonly sessionID: SessionSchema.ID
readonly agent: AgentV2.ID
readonly assistantMessageID: SessionMessage.ID
readonly call: ToolCall
}
export interface Interface {
readonly materialize: (permissions?: PermissionV2.Ruleset) => Effect.Effect<Materialization>
/** Internal registration capability exposed publicly only through Tools.Service. */
readonly register: (tools: Readonly<Record<string, AnyTool>>) => Effect.Effect<void, RegistrationError, Scope.Scope>
}
export interface Materialization {
readonly definitions: ReadonlyArray<ToolDefinition>
readonly settle: (input: ExecuteInput) => Effect.Effect<Settlement, ToolOutputStore.Error>
}
export interface Settlement {
readonly result: ToolResultValue
readonly output?: ToolOutput
readonly outputPaths?: ReadonlyArray<string>
}
export class Service extends Context.Service<Service, Interface>()("@opencode/v2/ToolRegistry") {}
const registryLayer = Layer.effect(
Service,
Effect.gen(function* () {
const applications = yield* ApplicationTools.Service
const resources = yield* ToolOutputStore.Service
type Registration = { readonly identity: object; readonly tool: AnyTool }
const local = new Map<string, Array<{ readonly token: object; readonly registration: Registration }>>()
const settleWith = Effect.fn("ToolRegistry.settle")(function* (input: ExecuteInput, advertised?: object) {
const registration =
local.get(input.call.name)?.at(-1)?.registration ?? applications.entries().get(input.call.name)
if (!registration)
return {
result: {
type: "error" as const,
value: advertised ? `Stale tool call: ${input.call.name}` : `Unknown tool: ${input.call.name}`,
},
}
if (advertised && registration.identity !== advertised)
return { result: { type: "error" as const, value: `Stale tool call: ${input.call.name}` } }
const pending = yield* settle(registration.tool, input.call, {
sessionID: input.sessionID,
agent: input.agent,
assistantMessageID: input.assistantMessageID,
toolCallID: input.call.id,
}).pipe(
Effect.map((output) => ({ output })),
Effect.catchTag("LLM.ToolFailure", (failure) =>
Effect.succeed({ result: { type: "error" as const, value: failure.message } }),
),
)
if ("result" in pending) return pending
const output = pending.output
const bounded = yield* resources.bound({ sessionID: input.sessionID, toolCallID: input.call.id, output })
const result = ToolOutput.toResultValue(bounded.output)
if (result.type === "error")
return bounded.outputPaths.length > 0 ? { result, outputPaths: bounded.outputPaths } : { result }
return bounded.outputPaths.length > 0
? { result, output: bounded.output, outputPaths: bounded.outputPaths }
: { result, output: bounded.output }
})
return Service.of({
register: Effect.fn("ToolRegistry.register")(function* (tools) {
const entries = Object.entries(tools)
if (entries.length === 0) return
yield* Effect.forEach(entries, ([name]) => validateName(name), { discard: true })
yield* Effect.uninterruptible(
Effect.gen(function* () {
const token = {}
for (const [name, tool] of entries)
local.set(name, [...(local.get(name) ?? []), { token, registration: { identity: {}, tool } }])
yield* Effect.addFinalizer(() =>
Effect.sync(() => {
for (const [name] of entries) {
const registrations = local.get(name)?.filter((registration) => registration.token !== token) ?? []
if (registrations.length > 0) local.set(name, registrations)
else local.delete(name)
}
}),
)
}),
)
}),
materialize: Effect.fn("ToolRegistry.materialize")(function* (permissions = []) {
const registrations = new Map(applications.entries())
for (const [name, entries] of local) {
const registration = entries.at(-1)?.registration
if (registration) registrations.set(name, registration)
}
for (const [name, registration] of registrations)
if (whollyDisabled(permission(registration.tool, name), permissions)) registrations.delete(name)
return {
definitions: Array.from(registrations, ([name, registration]) => definition(name, registration.tool)),
settle: (input) => {
const registration = registrations.get(input.call.name)
if (registration) return settleWith(input, registration.identity)
return Effect.succeed({ result: { type: "error", value: `Unknown tool: ${input.call.name}` } })
},
}
}),
})
}),
)
const layer = Layer.effect(
Tools.Service,
Service.use((registry) => Effect.succeed(Tools.Service.of({ register: registry.register }))),
).pipe(Layer.provideMerge(registryLayer))
function whollyDisabled(action: string, rules: PermissionV2.Ruleset) {
const rule = rules.findLast((rule) => Wildcard.match(action, rule.action))
return rule?.resource === "*" && rule.effect === "deny"
}
export const node = makeLocationNode({
service: Service,
layer,
deps: [ApplicationTools.node, ToolOutputStore.node],
})
export const toolsNode = makeLocationNode({
service: Tools.Service,
layer,
deps: [ApplicationTools.node, ToolOutputStore.node],
})
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