Function formatIncomingCallsResult

src/tools/LSPTool/formatters.ts:478–532

(
  result: CallHierarchyIncomingCall[] | null,
  cwd?: string,
)

 * Shows all functions/methods that call the target
 */
export function formatIncomingCallsResult(
  result: CallHierarchyIncomingCall[] | null,
  cwd?: string,
): string {
  if (!result || result.length === 0) {
    return 'No incoming calls found (nothing calls this function)'
  }

  const lines = [
    `Found ${result.length} incoming ${plural(result.length, 'call')}:`,
  ]

  // Group by file
  const byFile = new Map<string, CallHierarchyIncomingCall[]>()
  for (const call of result) {
    if (!call.from) {
      logForDebugging(
        'formatIncomingCallsResult: CallHierarchyIncomingCall has undefined from field',
        { level: 'warn' },
      )
      continue
    }
    const filePath = formatUri(call.from.uri, cwd)
    const existing = byFile.get(filePath)
    if (existing) {
      existing.push(call)
    } else {
      byFile.set(filePath, [call])
    }
  }

  for (const [filePath, calls] of byFile) {
    lines.push(`\n${filePath}:`)
    for (const call of calls) {
      if (!call.from) {
        continue // Already logged above
      }
      const kind = symbolKindToString(call.from.kind)
      const line = call.from.range.start.line + 1
      let callLine = `  ${call.from.name} (${kind}) - Line ${line}`

      // Show call sites within the caller
      if (call.fromRanges && call.fromRanges.length > 0) {
        const callSites = call.fromRanges
          .map(r => `${r.start.line + 1}:${r.start.character + 1}`)
          .join(', ')
        callLine += ` [calls at: ${callSites}]`
      }

      lines.push(callLine)
    }
  }

  return lines.join('\n')
}

/**
 * Formats outgoingCalls result