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# Tests for CNI code.

# Compile a single C++ file and produce a .o file.  OPTIONS is a list

# of options to pass to the compiler.  Returns 0 on failure, 1 on

# success.

proc gcj_cni_compile_cxx_to_o {file {options {}}} {

  global srcdir subdir

  set name [file rootname [file tail $file]]

  set oname ${name}.o

  # Find the generated header.

  lappend options "additional_flags=-I. -I.. -I$srcdir/$subdir -fdollars-in-identifiers"

  # Find libgcj headers.

  lappend options "additional_flags=-I$srcdir/.."

  set x [libjava_prune_warnings \

           [target_compile $file $oname object $options]]

  if {$x != ""} {

    verbose "target_compile failed: $x" 2

    fail "[file tail $file] compilation"

    return 0

  }

  pass "[file tail $file] compilation"

  return 1

}

# Build header files given name of .java file.  Return 0 on failure.

proc gcj_cni_build_headers {file} {

  global libgcj_jar

  set gcjh [find_gcjh]

  # Currently we only build a header file for the main class from the

  # .java file, and then others on an ad hoc basis.

  set list {}

  set main [file rootname [file tail $file]]

  lappend list $main

  # ... for instance, an obvious hack.

  if {$main == "shortfield"} {

    lappend list shortfieldbase

  }

  foreach file $list {

    set cmd "$gcjh -cni -force -classpath .:$libgcj_jar $file"

    verbose $cmd

    set x [string trim [libjava_prune_warnings \

                          [lindex [local_exec $cmd "" "" 300] 1]]]

    if {$x != ""} {

      verbose "local_exec failed: $x" 2

      fail "$main header generation"

      return 0

    }

  }

  pass "$main header generation"

  return 1

}

# Do all the work for a single CNI test.  Return 0 on failure.

proc gcj_cni_test_one {file} {

  global runtests

  # The base name.  We use it for several purposes.

  set main [file rootname [file tail $file]]

  if {! [runtest_file_p $runtests $main]} {

    # Simply skip it.

    return 1

  }

#   if {! [bytecompile_file $file [pwd]]} {

#     fail "bytecompile $file"

#     # FIXME - should use `untested' on all remaining tests.

#     # But that is hard.

#     return 0

#   }

#   pass "bytecompile $file"

#   if {! [gcj_cni_build_headers $file]} {

#     # FIXME

#     return 0

#   }

  set cfile [file join [file dirname $file] nat$main.cc]

  if {! [gcj_cni_compile_cxx_to_o $cfile]} {

    # FIXME

    return 0

  }

  if {! [gcj_link $main $main [list $file nat$main.o]]} {

    # FIXME

    return 0

  }

  if {! [gcj_invoke $main [file rootname $file].out {}]} {

    # FIXME

    return 0

  }

  # When we succeed we remove all our clutter.

  eval gcj_cleanup [glob -nocomplain -- ${main}.*] [list $main nat$main.o]

  return 1

}

# Run the CNI tests.

proc gcj_cni_run {} {

  global srcdir subdir

  global build_triplet host_triplet

  # For now we only test CNI on native builds.

  if {$build_triplet == $host_triplet} {

    catch { lsort [glob -nocomplain ${srcdir}/${subdir}/*.jar] } srcfiles

    foreach x $srcfiles {

      gcj_cni_test_one $x

    }

  } else {

    verbose "CNI tests not run in cross-compilation environment"

  }

}

gcj_cni_run