clang/test/Parser/max-tokens.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s -Wmax-tokens
   2 // RUN: %clang_cc1 -fsyntax-only -verify %s -Wmax-tokens -DMAX_TOKENS          -fmax-tokens=2
   3 // RUN: %clang_cc1 -fsyntax-only -verify %s -Wmax-tokens -DMAX_TOKENS_OVERRIDE -fmax-tokens=9
   4
   5 int x, y, z;
   6
   7 #pragma clang max_tokens_here         // expected-error  {{missing argument to '#pragma clang max_tokens_here'; expected integer}}
   8 #pragma clang max_tokens_here foo     // expected-error  {{expected an integer argument in '#pragma clang max_tokens_here'}}
   9 #pragma clang max_tokens_here 123 456 // expected-warning{{extra tokens at end of '#pragma clang max_tokens_here' - ignored}}
  10
  11 #pragma clang max_tokens_here 1 // expected-warning{{the number of preprocessor source tokens (7) exceeds this token limit (1)}}
  12
  13
  14 #pragma clang max_tokens_total // expected-error{{missing argument to '#pragma clang max_tokens_total'; expected integer}}
  15 #pragma clang max_tokens_total foo // expected-error{{expected an integer argument in '#pragma clang max_tokens_total'}}
  16 #pragma clang max_tokens_total 123 456 // expected-warning{{extra tokens at end of '#pragma clang max_tokens_total' - ignored}}
  17
  18 #ifdef MAX_TOKENS_OVERRIDE
  19 #pragma clang max_tokens_total 3 // expected-warning@+4{{the total number of preprocessor source tokens (8) exceeds the token limit (3)}}
  20                                 // expected-note@-1{{total token limit set here}}
  21 #elif MAX_TOKENS
  22 // expected-warning@+1{{the total number of preprocessor source tokens (8) exceeds the token limit (2)}}
  23 #endif