Method execute

src/core/tools/EditFileTool.ts:139–485

(params: EditFileParams, task: Task, callbacks: ToolCallbacks)

	private partialToolAskRelPath: string | undefined

	async execute(params: EditFileParams, task: Task, callbacks: ToolCallbacks): Promise<void> {
		// Coerce old_string/new_string to handle malformed native tool calls where they could be non-strings.
		// In native mode, malformed calls can pass numbers/objects; normalize those to "" to avoid later crashes.
		const file_path = params.file_path
		const old_string = typeof params.old_string === "string" ? params.old_string : ""
		const new_string = typeof params.new_string === "string" ? params.new_string : ""
		const expected_replacements = params.expected_replacements ?? 1
		const { askApproval, handleError, pushToolResult } = callbacks
		let relPathForErrorHandling: string | undefined
		let operationPreviewForErrorHandling: string | undefined

		const finalizePartialToolAskIfNeeded = async (relPath: string): Promise<void> => {
			if (!this.didSendPartialToolAsk) {
				return
			}

			if (this.partialToolAskRelPath && this.partialToolAskRelPath !== relPath) {
				return
			}

			const absolutePath = path.resolve(task.cwd, relPath)
			const isOutsideWorkspace = isPathOutsideWorkspace(absolutePath)

			const sharedMessageProps: ClineSayTool = {
				tool: "appliedDiff",
				path: getReadablePath(task.cwd, relPath),
				diff: operationPreviewForErrorHandling,
				isOutsideWorkspace,
			}

			// Finalize the existing partial tool ask row so the UI doesn't get stuck in a spinner state.
			await task.ask("tool", JSON.stringify(sharedMessageProps), false).catch(() => {})
		}

		const recordFailureForPathAndMaybeEscalate = async (relPath: string, formattedError: string): Promise<void> => {
			const currentCount = (task.consecutiveMistakeCountForEditFile.get(relPath) || 0) + 1
			task.consecutiveMistakeCountForEditFile.set(relPath, currentCount)

			if (currentCount >= 2) {
				await task.say("diff_error", formattedError)
			}
		}

		try {
			// Validate required parameters
			if (!file_path) {
				task.consecutiveMistakeCount++
				task.recordToolError("edit_file")
				task.didToolFailInCurrentTurn = true
				pushToolResult(await task.sayAndCreateMissingParamError("edit_file", "file_path"))
				return
			}

			// Determine relative path - file_path can be absolute or relative
			let relPath: string
			if (path.isAbsolute(file_path)) {
				relPath = path.relative(task.cwd, file_path)
			} else {