can1357
eff53fbbb6
- Changed `HashlineEdit.src` from string format (e.g., `"5:ab"`, `"5:ab..9:ef"`) to structured `SrcSpec` object with discriminated union types (`{ kind: "single", ref: "..." }`, `{ kind: "range", start: "...", end: "..." }`, `{ kind: "insertAfter", after: "..." }`, `{ kind: "insertBefore", before: "..." }`, `{ kind: "substring", needle: "..." }`).
- Refactored `parseSrc` function to `parseSrcSpec` to handle structured `SrcSpec` objects instead of string parsing, replacing string validation and delimiter parsing logic with explicit case handling for each operation kind.
- Updated tool schema in `index.ts` to define `srcSpecSchema` as a discriminated union type with five variants, replacing the previous simple string-based `src` parameter definition.
602 lines
22 KiB
TypeScript
602 lines
22 KiB
TypeScript
/**
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* Edit tool module.
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*
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* Supports three modes:
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* - Replace mode (default): oldText/newText replacement with fuzzy matching
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* - Patch mode: structured diff format with explicit operation type
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* - Hashline mode: line-addressed edits using content hashes for integrity
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*
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* The mode is determined by the `edit.mode` setting.
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*/
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import * as fs from "node:fs/promises";
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import type { AgentTool, AgentToolContext, AgentToolResult, AgentToolUpdateCallback } from "@oh-my-pi/pi-agent-core";
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import { StringEnum } from "@oh-my-pi/pi-ai";
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import { Type } from "@sinclair/typebox";
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import { renderPromptTemplate } from "../config/prompt-templates";
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import {
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createLspWritethrough,
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type FileDiagnosticsResult,
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flushLspWritethroughBatch,
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type WritethroughCallback,
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writethroughNoop,
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} from "../lsp";
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import hashlineDescription from "../prompts/tools/hashline.md" with { type: "text" };
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import patchDescription from "../prompts/tools/patch.md" with { type: "text" };
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import replaceDescription from "../prompts/tools/replace.md" with { type: "text" };
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import type { ToolSession } from "../tools";
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import { outputMeta } from "../tools/output-meta";
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import { enforcePlanModeWrite, resolvePlanPath } from "../tools/plan-mode-guard";
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import { applyPatch } from "./applicator";
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import { generateDiffString, generateUnifiedDiffString, replaceText } from "./diff";
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import { findMatch } from "./fuzzy";
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import { applyHashlineEdits } from "./hashline";
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import { detectLineEnding, normalizeToLF, restoreLineEndings, stripBom } from "./normalize";
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import { buildNormativeUpdateInput } from "./normative";
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import { type EditToolDetails, getLspBatchRequest } from "./shared";
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// Internal imports
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import type { FileSystem, HashlineEdit, Operation, PatchInput } from "./types";
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import { EditMatchError } from "./types";
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// ═══════════════════════════════════════════════════════════════════════════
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// Re-exports
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// ═══════════════════════════════════════════════════════════════════════════
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// Application
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export { applyPatch, defaultFileSystem, previewPatch } from "./applicator";
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// Diff generation
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export { computeEditDiff, computePatchDiff, generateDiffString, generateUnifiedDiffString, replaceText } from "./diff";
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// Fuzzy matching
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export { DEFAULT_FUZZY_THRESHOLD, findContextLine, findMatch as findEditMatch, findMatch, seekSequence } from "./fuzzy";
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// Hashline
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export {
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applyHashlineEdits,
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computeLineHash,
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formatHashLines,
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HashlineMismatchError,
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parseLineRef,
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validateLineRef,
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} from "./hashline";
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// Normalization
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export { adjustIndentation, detectLineEnding, normalizeToLF, restoreLineEndings, stripBom } from "./normalize";
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// Parsing
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export { normalizeCreateContent, normalizeDiff, parseHunks as parseDiffHunks } from "./parser";
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export type { EditRenderContext, EditToolDetails } from "./shared";
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// Rendering
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export { editToolRenderer, getLspBatchRequest } from "./shared";
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export type {
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ApplyPatchOptions,
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ApplyPatchResult,
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ContextLineResult,
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DiffError,
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DiffError as EditDiffError,
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DiffHunk,
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DiffHunk as UpdateChunk,
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DiffHunk as UpdateFileChunk,
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DiffResult,
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DiffResult as EditDiffResult,
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FileChange,
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FileSystem,
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FuzzyMatch as EditMatch,
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FuzzyMatch,
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HashlineEdit,
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HashlineInput,
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HashMismatch,
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MatchOutcome as EditMatchOutcome,
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MatchOutcome,
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Operation,
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PatchInput,
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SequenceSearchResult,
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SrcSpec,
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} from "./types";
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// Types
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// Legacy aliases for backwards compatibility
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export { ApplyPatchError, EditMatchError, ParseError } from "./types";
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// ═══════════════════════════════════════════════════════════════════════════
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// Schemas
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// ═══════════════════════════════════════════════════════════════════════════
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const replaceEditSchema = Type.Object({
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path: Type.String({ description: "File path (relative or absolute)" }),
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old_text: Type.String({ description: "Text to find (fuzzy whitespace matching enabled)" }),
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new_text: Type.String({ description: "Replacement text" }),
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all: Type.Optional(Type.Boolean({ description: "Replace all occurrences (default: unique match required)" })),
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});
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const patchEditSchema = Type.Object({
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path: Type.String({ description: "File path" }),
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op: Type.Optional(
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StringEnum(["create", "delete", "update"], {
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description: "Operation (default: update)",
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}),
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),
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rename: Type.Optional(Type.String({ description: "New path for move" })),
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diff: Type.Optional(Type.String({ description: "Diff hunks (update) or full content (create)" })),
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});
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export type ReplaceParams = { path: string; old_text: string; new_text: string; all?: boolean };
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export type PatchParams = { path: string; op?: string; rename?: string; diff?: string };
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export type HashlineParams = { path: string; edits: HashlineEdit[] };
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const srcSpecSchema = Type.Union([
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Type.Object({
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kind: Type.Literal("single"),
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ref: Type.String({ description: 'Line reference "LINE:HASH"' }),
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}),
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Type.Object({
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kind: Type.Literal("range"),
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start: Type.String({ description: 'Start line ref "LINE:HASH"' }),
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end: Type.String({ description: 'End line ref "LINE:HASH"' }),
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}),
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Type.Object({
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kind: Type.Literal("insertAfter"),
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after: Type.String({ description: 'Insert after this line "LINE:HASH"' }),
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}),
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Type.Object({
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kind: Type.Literal("insertBefore"),
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before: Type.String({ description: 'Insert before this line "LINE:HASH"' }),
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}),
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Type.Object({
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kind: Type.Literal("substring"),
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needle: Type.String({ description: "Unique substring to match" }),
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}),
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]);
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const hashlineEditItemSchema = Type.Object({
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src: srcSpecSchema,
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dst: Type.String({ description: 'Replacement content (\\n-separated) — "" for delete' }),
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});
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const hashlineEditSchema = Type.Object({
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path: Type.String({ description: "File path (relative or absolute)" }),
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edits: Type.Array(hashlineEditItemSchema, { description: "Array of edit operations" }),
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});
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// ═══════════════════════════════════════════════════════════════════════════
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// LSP FileSystem for patch mode
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// ═══════════════════════════════════════════════════════════════════════════
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class LspFileSystem implements FileSystem {
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#lastDiagnostics: FileDiagnosticsResult | undefined;
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#fileCache: Record<string, Bun.BunFile> = {};
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constructor(
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private readonly writethrough: (
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dst: string,
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content: string,
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signal?: AbortSignal,
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file?: import("bun").BunFile,
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batch?: { id: string; flush: boolean },
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) => Promise<FileDiagnosticsResult | undefined>,
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private readonly signal?: AbortSignal,
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private readonly batchRequest?: { id: string; flush: boolean },
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) {}
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#getFile(path: string): Bun.BunFile {
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if (this.#fileCache[path]) {
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return this.#fileCache[path];
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}
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const file = Bun.file(path);
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this.#fileCache[path] = file;
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return file;
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}
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async exists(path: string): Promise<boolean> {
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return this.#getFile(path).exists();
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}
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async read(path: string): Promise<string> {
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return this.#getFile(path).text();
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}
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async readBinary(path: string): Promise<Uint8Array> {
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const buffer = await this.#getFile(path).arrayBuffer();
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return new Uint8Array(buffer);
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}
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async write(path: string, content: string): Promise<void> {
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const file = this.#getFile(path);
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const result = await this.writethrough(path, content, this.signal, file, this.batchRequest);
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if (result) {
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this.#lastDiagnostics = result;
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}
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}
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async delete(path: string): Promise<void> {
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await this.#getFile(path).unlink();
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}
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async mkdir(path: string): Promise<void> {
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await fs.mkdir(path, { recursive: true });
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}
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getDiagnostics(): FileDiagnosticsResult | undefined {
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return this.#lastDiagnostics;
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}
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}
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function mergeDiagnosticsWithWarnings(
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diagnostics: FileDiagnosticsResult | undefined,
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warnings: string[],
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): FileDiagnosticsResult | undefined {
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if (warnings.length === 0) return diagnostics;
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const warningMessages = warnings.map(warning => `patch: ${warning}`);
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if (!diagnostics) {
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return {
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server: "patch",
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messages: warningMessages,
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summary: `Patch warnings: ${warnings.length}`,
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errored: false,
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};
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}
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return {
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...diagnostics,
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messages: [...warningMessages, ...diagnostics.messages],
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summary: `${diagnostics.summary}; Patch warnings: ${warnings.length}`,
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};
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}
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// ═══════════════════════════════════════════════════════════════════════════
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// Tool Class
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// ═══════════════════════════════════════════════════════════════════════════
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type TInput = typeof replaceEditSchema | typeof patchEditSchema | typeof hashlineEditSchema;
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export type EditMode = "replace" | "patch" | "hashline";
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export const DEFAULT_EDIT_MODE: EditMode = "patch";
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export function normalizeEditMode(mode?: string | null): EditMode | null {
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switch (mode) {
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case "replace":
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return "replace";
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case "patch":
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return "patch";
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case "hashline":
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return "hashline";
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default:
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return null;
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}
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}
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/**
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* Edit tool implementation.
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*
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* Creates replace-mode, patch-mode, or hashline-mode behavior based on session settings.
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*/
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export class EditTool implements AgentTool<TInput> {
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readonly name = "edit";
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readonly label = "Edit";
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readonly nonAbortable = true;
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readonly concurrency = "exclusive";
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readonly #allowFuzzy: boolean;
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readonly #fuzzyThreshold: number;
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readonly #writethrough: WritethroughCallback;
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readonly #editMode?: EditMode | null;
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constructor(private readonly session: ToolSession) {
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const {
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PI_EDIT_FUZZY: editFuzzy = "auto",
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PI_EDIT_FUZZY_THRESHOLD: editFuzzyThreshold = "auto",
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PI_EDIT_VARIANT: envEditVariant = "auto",
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} = Bun.env;
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if (envEditVariant && envEditVariant !== "auto") {
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const editMode = normalizeEditMode(envEditVariant);
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if (!editMode) {
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throw new Error(`Invalid PI_EDIT_VARIANT: ${envEditVariant}`);
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}
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this.#editMode = editMode;
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}
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switch (editFuzzy) {
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case "true":
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case "1":
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this.#allowFuzzy = true;
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break;
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case "false":
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case "0":
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this.#allowFuzzy = false;
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break;
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case "auto":
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this.#allowFuzzy = session.settings.get("edit.fuzzyMatch");
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break;
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default:
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throw new Error(`Invalid PI_EDIT_FUZZY: ${editFuzzy}`);
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}
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switch (editFuzzyThreshold) {
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case "auto":
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this.#fuzzyThreshold = session.settings.get("edit.fuzzyThreshold");
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break;
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default:
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this.#fuzzyThreshold = parseFloat(editFuzzyThreshold);
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if (Number.isNaN(this.#fuzzyThreshold) || this.#fuzzyThreshold < 0 || this.#fuzzyThreshold > 1) {
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throw new Error(`Invalid PI_EDIT_FUZZY_THRESHOLD: ${editFuzzyThreshold}`);
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}
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break;
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}
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const enableLsp = session.enableLsp ?? true;
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const enableDiagnostics = enableLsp && session.settings.get("lsp.diagnosticsOnEdit");
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const enableFormat = enableLsp && session.settings.get("lsp.formatOnWrite");
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this.#writethrough = enableLsp
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? createLspWritethrough(session.cwd, { enableFormat, enableDiagnostics })
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: writethroughNoop;
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}
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/**
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* Determine edit mode dynamically based on current model.
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* This is re-evaluated on each access so tool definitions stay current when model changes.
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*/
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get mode(): EditMode {
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if (this.#editMode) return this.#editMode;
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const activeModel = this.session.getActiveModelString?.();
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const editVariant =
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this.session.settings.getEditVariantForModel(activeModel) ??
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normalizeEditMode(this.session.settings.get("edit.mode"));
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return editVariant ?? DEFAULT_EDIT_MODE;
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}
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/**
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* Dynamic description based on current edit mode (which depends on current model).
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*/
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get description(): string {
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switch (this.mode) {
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case "patch":
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return renderPromptTemplate(patchDescription);
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case "hashline":
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return renderPromptTemplate(hashlineDescription);
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default:
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return renderPromptTemplate(replaceDescription);
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}
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}
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/**
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* Dynamic parameters schema based on current edit mode (which depends on current model).
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*/
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get parameters(): TInput {
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switch (this.mode) {
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case "patch":
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return patchEditSchema;
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case "hashline":
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return hashlineEditSchema;
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default:
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return replaceEditSchema;
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}
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}
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async execute(
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_toolCallId: string,
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params: ReplaceParams | PatchParams | HashlineParams,
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signal?: AbortSignal,
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_onUpdate?: AgentToolUpdateCallback<EditToolDetails, TInput>,
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context?: AgentToolContext,
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): Promise<AgentToolResult<EditToolDetails, TInput>> {
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const batchRequest = getLspBatchRequest(context?.toolCall);
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// ─────────────────────────────────────────────────────────────────
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// Hashline mode execution
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// ─────────────────────────────────────────────────────────────────
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if (this.mode === "hashline") {
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const { path, edits } = params as HashlineParams;
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enforcePlanModeWrite(this.session, path);
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if (path.endsWith(".ipynb")) {
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throw new Error("Cannot edit Jupyter notebooks with the Edit tool. Use the NotebookEdit tool instead.");
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}
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const absolutePath = resolvePlanPath(this.session, path);
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const file = Bun.file(absolutePath);
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if (!(await file.exists())) {
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throw new Error(`File not found: ${path}`);
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}
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const rawContent = await file.text();
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const { bom, text: content } = stripBom(rawContent);
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const originalEnding = detectLineEnding(content);
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const normalizedContent = normalizeToLF(content);
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const result = applyHashlineEdits(normalizedContent, edits);
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if (normalizedContent === result.content) {
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throw new Error(`No changes made to ${path}. The edits produced identical content.`);
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}
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const finalContent = bom + restoreLineEndings(result.content, originalEnding);
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const diagnostics = await this.#writethrough(absolutePath, finalContent, signal, file, batchRequest);
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const diffResult = generateDiffString(normalizedContent, result.content);
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const normative = buildNormativeUpdateInput({
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path,
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oldContent: rawContent,
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newContent: finalContent,
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});
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const meta = outputMeta()
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.diagnostics(diagnostics?.summary ?? "", diagnostics?.messages ?? [])
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.get();
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return {
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content: [{ type: "text", text: `Updated ${path}` }],
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details: {
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diff: diffResult.diff,
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firstChangedLine: result.firstChangedLine ?? diffResult.firstChangedLine,
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diagnostics,
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meta,
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},
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$normative: normative,
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};
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}
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// ─────────────────────────────────────────────────────────────────
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// Patch mode execution
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// ─────────────────────────────────────────────────────────────────
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if (this.mode === "patch") {
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const { path, op: rawOp, rename, diff } = params as PatchParams;
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// Normalize unrecognized operations to "update"
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const op: Operation = rawOp === "create" || rawOp === "delete" ? rawOp : "update";
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enforcePlanModeWrite(this.session, path, { op, rename });
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const resolvedPath = resolvePlanPath(this.session, path);
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const resolvedRename = rename ? resolvePlanPath(this.session, rename) : undefined;
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if (path.endsWith(".ipynb")) {
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throw new Error("Cannot edit Jupyter notebooks with the Edit tool. Use the NotebookEdit tool instead.");
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}
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if (rename?.endsWith(".ipynb")) {
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throw new Error("Cannot edit Jupyter notebooks with the Edit tool. Use the NotebookEdit tool instead.");
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}
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const input: PatchInput = { path: resolvedPath, op, rename: resolvedRename, diff };
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const fs = new LspFileSystem(this.#writethrough, signal, batchRequest);
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const result = await applyPatch(input, {
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cwd: this.session.cwd,
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fs,
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fuzzyThreshold: this.#fuzzyThreshold,
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allowFuzzy: this.#allowFuzzy,
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});
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const effRename = result.change.newPath ? rename : undefined;
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// Generate diff for display
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let diffResult = { diff: "", firstChangedLine: undefined as number | undefined };
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let normative: PatchInput | undefined;
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if (result.change.type === "update" && result.change.oldContent && result.change.newContent) {
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const normalizedOld = normalizeToLF(stripBom(result.change.oldContent).text);
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const normalizedNew = normalizeToLF(stripBom(result.change.newContent).text);
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diffResult = generateUnifiedDiffString(normalizedOld, normalizedNew);
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normative = buildNormativeUpdateInput({
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path,
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rename: effRename,
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oldContent: result.change.oldContent,
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newContent: result.change.newContent,
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});
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}
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let resultText: string;
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switch (result.change.type) {
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case "create":
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resultText = `Created ${path}`;
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break;
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case "delete":
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resultText = `Deleted ${path}`;
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break;
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case "update":
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resultText = effRename ? `Updated and moved ${path} to ${effRename}` : `Updated ${path}`;
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break;
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}
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let diagnostics = fs.getDiagnostics();
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if (op === "delete" && batchRequest?.flush) {
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|
const flushedDiagnostics = await flushLspWritethroughBatch(batchRequest.id, this.session.cwd, signal);
|
|
diagnostics ??= flushedDiagnostics;
|
|
}
|
|
const patchWarnings = result.warnings ?? [];
|
|
const mergedDiagnostics = mergeDiagnosticsWithWarnings(diagnostics, patchWarnings);
|
|
|
|
const meta = outputMeta()
|
|
.diagnostics(mergedDiagnostics?.summary ?? "", mergedDiagnostics?.messages ?? [])
|
|
.get();
|
|
|
|
return {
|
|
content: [{ type: "text", text: resultText }],
|
|
details: {
|
|
diff: diffResult.diff,
|
|
firstChangedLine: diffResult.firstChangedLine,
|
|
diagnostics: mergedDiagnostics,
|
|
op,
|
|
rename: effRename,
|
|
meta,
|
|
},
|
|
$normative: normative,
|
|
};
|
|
}
|
|
|
|
// ─────────────────────────────────────────────────────────────────
|
|
// Replace mode execution
|
|
// ─────────────────────────────────────────────────────────────────
|
|
const { path, old_text, new_text, all } = params as ReplaceParams;
|
|
|
|
enforcePlanModeWrite(this.session, path);
|
|
|
|
if (path.endsWith(".ipynb")) {
|
|
throw new Error("Cannot edit Jupyter notebooks with the Edit tool. Use the NotebookEdit tool instead.");
|
|
}
|
|
|
|
if (old_text.length === 0) {
|
|
throw new Error("old_text must not be empty.");
|
|
}
|
|
|
|
const absolutePath = resolvePlanPath(this.session, path);
|
|
const file = Bun.file(absolutePath);
|
|
|
|
if (!(await file.exists())) {
|
|
throw new Error(`File not found: ${path}`);
|
|
}
|
|
|
|
const rawContent = await file.text();
|
|
const { bom, text: content } = stripBom(rawContent);
|
|
const originalEnding = detectLineEnding(content);
|
|
const normalizedContent = normalizeToLF(content);
|
|
const normalizedOldText = normalizeToLF(old_text);
|
|
const normalizedNewText = normalizeToLF(new_text);
|
|
|
|
const result = replaceText(normalizedContent, normalizedOldText, normalizedNewText, {
|
|
fuzzy: this.#allowFuzzy,
|
|
all: all ?? false,
|
|
threshold: this.#fuzzyThreshold,
|
|
});
|
|
|
|
if (result.count === 0) {
|
|
// Get error details
|
|
const matchOutcome = findMatch(normalizedContent, normalizedOldText, {
|
|
allowFuzzy: this.#allowFuzzy,
|
|
threshold: this.#fuzzyThreshold,
|
|
});
|
|
|
|
if (matchOutcome.occurrences && matchOutcome.occurrences > 1) {
|
|
const previews = matchOutcome.occurrencePreviews?.join("\n\n") ?? "";
|
|
const moreMsg = matchOutcome.occurrences > 5 ? ` (showing first 5 of ${matchOutcome.occurrences})` : "";
|
|
throw new Error(
|
|
`Found ${matchOutcome.occurrences} occurrences in ${path}${moreMsg}:\n\n${previews}\n\n` +
|
|
`Add more context lines to disambiguate.`,
|
|
);
|
|
}
|
|
|
|
throw new EditMatchError(path, normalizedOldText, matchOutcome.closest, {
|
|
allowFuzzy: this.#allowFuzzy,
|
|
threshold: this.#fuzzyThreshold,
|
|
fuzzyMatches: matchOutcome.fuzzyMatches,
|
|
});
|
|
}
|
|
|
|
if (normalizedContent === result.content) {
|
|
throw new Error(
|
|
`No changes made to ${path}. The replacement produced identical content. This might indicate an issue with special characters or the text not existing as expected.`,
|
|
);
|
|
}
|
|
|
|
const finalContent = bom + restoreLineEndings(result.content, originalEnding);
|
|
const diagnostics = await this.#writethrough(absolutePath, finalContent, signal, file, batchRequest);
|
|
const diffResult = generateDiffString(normalizedContent, result.content);
|
|
|
|
const resultText =
|
|
result.count > 1
|
|
? `Successfully replaced ${result.count} occurrences in ${path}.`
|
|
: `Successfully replaced text in ${path}.`;
|
|
|
|
const meta = outputMeta()
|
|
.diagnostics(diagnostics?.summary ?? "", diagnostics?.messages ?? [])
|
|
.get();
|
|
|
|
return {
|
|
content: [{ type: "text", text: resultText }],
|
|
details: { diff: diffResult.diff, firstChangedLine: diffResult.firstChangedLine, diagnostics, meta },
|
|
};
|
|
}
|
|
}
|