gcc/testsuite/gfortran.dg/fmt_error_2.f90

   1 ! { dg-do compile }
   2 ! PR 33269: we used to not simplify format strings before checking if
   3 ! they were valid, leading to a missed error.
   4
   5 IMPLICIT CHARACTER*5 (h-z)
   6
   7 CHARACTER*5 f
   8 CHARACTER*5 bad, good
   9 parameter(bad="a", good="(a)")
  10
  11 PRINT ('a'), "hello" ! { dg-error "Missing leading left parenthesis in format string" }
  12 WRITE (*, ("a")) "error"  ! { dg-error "Missing leading left parenthesis in format string" }
  13
  14 PRINT 'a', "hello" ! { dg-error "Missing leading left parenthesis in format string" }
  15 WRITE (*, "a") "error"  ! { dg-error "Missing leading left parenthesis in format string" }
  16 WRITE (*, bad) "error"  ! { dg-error "Missing leading left parenthesis in format string" }
  17
  18 PRINT 'a' // ', a', "err", "or"   ! { dg-error "Missing leading left parenthesis in format string" }
  19
  20 PRINT '(' // 'a'  ! { dg-error "Unexpected end of format string in format string" }
  21
  22 ! the following are ok
  23 PRINT "(2f5.3)", bar, foo
  24 PRINT ' (a)', "hello"
  25 WRITE (*, " ((a))") "hello"
  26 print "(a" // ")", "all is fine"
  27 print good, "great"
  28
  29 ! verify that we haven't broken non-constant expressions
  30 f = "(f5.3)"
  31 print f, 3.14159
  32 print (f), 2.71813
  33 print implicitly_typed, "something"
  34 write (*, implicitly_typed_as_well) "something else"
  35 END