clang/test/Preprocessor/embed_parsing_errors.c

   1 // RUN: %clang_cc1 -std=c23 %s -E -verify
   2
   3 // Test the parsing behavior for #embed and all of its parameters to ensure we
   4 // recover from failures gracefully.
   5 char buffer[] = {
   6 #embed
   7 // expected-error@-1 {{expected "FILENAME" or <FILENAME>}}
   8
   9 #embed <
  10 // expected-error@-1 {{expected '>'}} \
  11    expected-note@-1 {{to match this '<'}}
  12
  13 #embed "
  14 // expected-error@-1 {{expected "FILENAME" or <FILENAME>}} \
  15    expected-warning@-1 {{missing terminating '"' character}}
  16
  17 #embed file.txt
  18 // expected-error@-1{{expected "FILENAME" or <FILENAME>}}
  19
  20 #embed "embed_parsing_errors.c" xxx
  21 // expected-error@-1 {{unknown embed preprocessor parameter 'xxx'}}
  22
  23 #embed "embed_parsing_errors.c" xxx::
  24 // expected-error@-1 {{expected identifier}}
  25
  26 #embed "embed_parsing_errors.c" xxx::xxx
  27 // expected-error@-1 {{unknown embed preprocessor parameter 'xxx::xxx'}}
  28
  29 #embed "embed_parsing_errors.c" xxx::42
  30 // expected-error@-1 {{expected identifier}}
  31
  32 #embed "embed_parsing_errors.c" limit
  33 // expected-error@-1 {{expected '('}}
  34
  35 #embed "embed_parsing_errors.c" limit(
  36 // expected-error@-1 {{expected value in expression}}
  37
  38 #embed "embed_parsing_errors.c" limit(xxx
  39 // expected-error@-1 {{expected ')'}}
  40
  41 #embed "embed_parsing_errors.c" limit(42
  42 // expected-error@-1 {{expected ')'}}
  43
  44 #embed "embed_parsing_errors.c" limit([
  45 // expected-error@-1 {{invalid token at start of a preprocessor expression}}
  46
  47 #embed "embed_parsing_errors.c" limit([)
  48 // expected-error@-1 {{invalid token at start of a preprocessor expression}}
  49
  50 #embed "embed_parsing_errors.c" limit(1/0)
  51 // expected-error@-1 {{division by zero in preprocessor expression}}
  52
  53 #embed "embed_parsing_errors.c" clang::offset
  54 // expected-error@-1 {{expected '('}}
  55
  56 #embed "embed_parsing_errors.c" clang::offset(
  57 // expected-error@-1 {{expected value in expression}}
  58
  59 #embed "embed_parsing_errors.c" clang::offset(xxx
  60 // expected-error@-1 {{expected ')'}}
  61
  62 #embed "embed_parsing_errors.c" clang::offset(42
  63 // expected-error@-1 {{expected ')'}}
  64
  65 #embed "embed_parsing_errors.c" clang::offset([
  66 // expected-error@-1 {{invalid token at start of a preprocessor expression}}
  67
  68 #embed "embed_parsing_errors.c" clang::offset([)
  69 // expected-error@-1 {{invalid token at start of a preprocessor expression}}
  70
  71 #embed "embed_parsing_errors.c" clang::offset(1/0)
  72 // expected-error@-1 {{division by zero in preprocessor expression}}
  73
  74 #embed "embed_parsing_errors.c" clang::offset 42
  75 // expected-error@-1 {{expected '('}}
  76
  77 #embed "embed_parsing_errors.c" prefix
  78 // expected-error@-1 {{expected '('}}
  79
  80 #embed "embed_parsing_errors.c" prefix(
  81 // expected-error@-1 {{expected ')'}}
  82
  83 #embed "embed_parsing_errors.c" prefix(xxx
  84 // expected-error@-1 {{expected ')'}}
  85
  86 #embed "embed_parsing_errors.c" prefix(1/0) // OK: emitted as tokens, not evaluated yet.
  87 #embed "embed_parsing_errors.c" prefix(([{}])) // OK: delimiters balanced
  88 #embed "embed_parsing_errors.c" prefix(([{)]})
  89 // expected-error@-1 {{expected '}'}} expected-note@-1 {{to match this '{'}}
  90 #embed "embed_parsing_errors.c" prefix(([{})})
  91 // expected-error@-1 {{expected ']'}} expected-note@-1 {{to match this '['}}
  92 #embed "embed_parsing_errors.c" prefix(([{}]})
  93 // expected-error@-1 {{expected ')'}} expected-note@-1 {{to match this '('}}
  94 #embed "embed_parsing_errors.c" prefix() // OK: tokens within parens are optional
  95 #embed "embed_parsing_errors.c" prefix)
  96 // expected-error@-1 {{expected '('}}
  97
  98 #embed "embed_parsing_errors.c" suffix
  99 // expected-error@-1 {{expected '('}}
 100
 101 #embed "embed_parsing_errors.c" suffix(
 102 // expected-error@-1 {{expected ')'}}
 103
 104 #embed "embed_parsing_errors.c" suffix(xxx
 105 // expected-error@-1 {{expected ')'}}
 106
 107 #embed "embed_parsing_errors.c" suffix(1/0) // OK: emitted as tokens, not evaluated yet.
 108 #embed "embed_parsing_errors.c" suffix(([{}])) // OK: delimiters balanced
 109 #embed "embed_parsing_errors.c" suffix(([{)]})
 110 // expected-error@-1 {{expected '}'}} expected-note@-1 {{to match this '{'}}
 111 #embed "embed_parsing_errors.c" suffix(([{})})
 112 // expected-error@-1 {{expected ']'}} expected-note@-1 {{to match this '['}}
 113 #embed "embed_parsing_errors.c" suffix(([{}]})
 114 // expected-error@-1 {{expected ')'}} expected-note@-1 {{to match this '('}}
 115 #embed "embed_parsing_errors.c" suffix() // OK: tokens within parens are optional
 116 #embed "embed_parsing_errors.c" suffix)
 117 // expected-error@-1 {{expected '('}}
 118
 119 #embed "embed_parsing_errors.c" if_empty(1/0) // OK: emitted as tokens, not evaluated yet.
 120 #embed "embed_parsing_errors.c" if_empty(([{}])) // OK: delimiters balanced
 121 #embed "embed_parsing_errors.c" if_empty(([{)]})
 122 // expected-error@-1 {{expected '}'}} expected-note@-1 {{to match this '{'}}
 123 #embed "embed_parsing_errors.c" if_empty(([{})})
 124 // expected-error@-1 {{expected ']'}} expected-note@-1 {{to match this '['}}
 125 #embed "embed_parsing_errors.c" if_empty(([{}]})
 126 // expected-error@-1 {{expected ')'}} expected-note@-1 {{to match this '('}}
 127 #embed "embed_parsing_errors.c" if_empty() // OK: tokens within parens are optional
 128 #embed "embed_parsing_errors.c" if_empty)
 129 // expected-error@-1 {{expected '('}}
 130 };