tools/llvm-c-test/helpers.c

   1 /*===-- helpers.c - tool for testing libLLVM and llvm-c API ---------------===*\
   2 |*                                                                            *|
   3 |* Part of the LLVM Project, under the Apache License v2.0 with LLVM          *|
   4 |* Exceptions.                                                                *|
   5 |* See https://llvm.org/LICENSE.txt for license information.                  *|
   6 |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception                    *|
   7 |*                                                                            *|
   8 |*===----------------------------------------------------------------------===*|
   9 |*                                                                            *|
  10 |* Helper functions                                                           *|
  11 |*                                                                            *|
  12 \*===----------------------------------------------------------------------===*/
  13
  14 #include <stdio.h>
  15 #include <string.h>
  16
  17 #define MAX_TOKENS 512
  18 #define MAX_LINE_LEN 1024
  19
  20 void llvm_tokenize_stdin(void (*cb)(char **tokens, int ntokens)) {
  21   char line[MAX_LINE_LEN];
  22   char *tokbuf[MAX_TOKENS];
  23
  24   while (fgets(line, sizeof(line), stdin)) {
  25     int c = 0;
  26
  27     if (line[0] == ';' || line[0] == '\n')
  28       continue;
  29
  30     while (c < MAX_TOKENS) {
  31       tokbuf[c] = strtok(c ? NULL : line, " \n");
  32       if (!tokbuf[c])
  33         break;
  34       c++;
  35     }
  36     if (c)
  37       cb(tokbuf, c);
  38   }
  39 }