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Check that we have a valid file in the TSInput constructor.

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This commit is contained in:
Rob Rix 2015-10-27 18:23:26 -04:00
parent 8615eec2c6
commit c14d82d737
1 changed files with 3 additions and 7 deletions
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10
prototype/doubt-difftool/main.swift
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@ -3,8 +3,9 @@ import Darwin
import Doubt
extension TSInput {
init(path: String) {
init?(path: String) {
let file = fopen(path, "r")
guard file != nil else { return nil }
self.init(
payload: file,
read_fn: { (payload: UnsafeMutablePointer<Void>, bytesRead: UnsafeMutablePointer<Int>) -> UnsafePointer<Int8> in
@ -28,12 +29,7 @@ extension TSInput {
}
let arguments = BoundsCheckedArray(array: Process.arguments)
if let a = arguments[1] {
guard NSFileManager.defaultManager().fileExistsAtPath(a) else {
print("\(a): No such file or directory")
exit(1)
}
let a = TSInput(path: a)
if let a = arguments[1].flatMap(TSInput.init) {
let document = ts_document_make()
ts_document_set_language(document, ts_language_javascript())
ts_document_set_input(document, a)