opencode/packages/codemode/src/interpreter/errors.ts

106 lines
3.6 KiB
TypeScript

import { Effect } from "effect"
import type { Diagnostic } from "../codemode.js"
import { ToolError } from "../tool-error.js"
import { copyOut, ToolRuntimeError, type SafeObject } from "../tool-runtime.js"
import { type AstNode, formatLocation, InterpreterRuntimeError, ProgramThrow, sourceLocation } from "./model.js"
import { containsRuntimeReference } from "./references.js"
import { type SyncIteratorRunner } from "./iterator.js"
import { coerceToString, createAggregateErrorValue, createErrorValue, errorConstructors } from "../stdlib/value.js"
export const normalizeError = (error: unknown): Diagnostic => {
if (error instanceof InterpreterRuntimeError) {
return {
kind: error.kind,
message: `${error.message}${formatLocation(error.node)}`,
...(error.node?.loc ? { location: sourceLocation(error.node) } : {}),
...(error.suggestions ? { suggestions: error.suggestions } : {}),
}
}
if (error instanceof ToolRuntimeError) {
return {
kind: error.kind,
message: error.message,
...(error.suggestions.length > 0 ? { suggestions: error.suggestions } : {}),
}
}
if (error instanceof ToolError) {
return { kind: "ToolFailure", message: error.message }
}
if (error instanceof ProgramThrow) {
const value = error.value
let message: string
if (containsRuntimeReference(value)) {
// Never expose runtime reference internals through thrown values.
message = "a non-data value"
} else if (typeof value === "string") {
message = value
} else if (
value !== null &&
typeof value === "object" &&
typeof (value as { message?: unknown }).message === "string"
) {
message = (value as { message: string }).message
} else {
try {
message = JSON.stringify(copyOut(value, "json")) ?? String(value)
} catch {
message = String(value)
}
}
return { kind: "ExecutionFailure", message: `Uncaught: ${message}` }
}
if (error instanceof RangeError && /call stack|recursion/i.test(error.message)) {
return {
kind: "ExecutionFailure",
message: "Execution exceeded the maximum nesting depth.",
}
}
if (error instanceof Error) {
return {
kind: error.name === "SyntaxError" ? "ParseError" : "ExecutionFailure",
message: error.message,
}
}
return {
kind: "ExecutionFailure",
message: String(error),
}
}
export const caughtErrorValue = (thrown: unknown): unknown => {
if (thrown instanceof ProgramThrow) return thrown.value
if (thrown instanceof InterpreterRuntimeError) return createErrorValue(thrown.errorName, thrown.message)
const name = thrown instanceof Error && errorConstructors.has(thrown.name) ? thrown.name : "Error"
return createErrorValue(name, normalizeError(thrown).message)
}
export const constructErrorValue = (name: string, args: Array<unknown>): SafeObject =>
createErrorValue(name, args[0] === undefined ? "" : coerceToString(args[0]))
export const constructAggregateErrorValue = <R>(
runner: SyncIteratorRunner<R>,
args: Array<unknown>,
node: AstNode,
): Effect.Effect<SafeObject, unknown, R> =>
Effect.gen(function* () {
const cursor = yield* runner.syncIterator(args[0], node)
if (cursor === undefined) {
throw new InterpreterRuntimeError("new AggregateError(...) expects a synchronous iterable of errors.", node).as(
"TypeError",
)
}
const errors: Array<unknown> = []
while (true) {
const step = yield* cursor.next
if (step.done) {
return createAggregateErrorValue(errors, args[1] === undefined ? "" : coerceToString(args[1]))
}
errors.push(step.value)
}
})