Add builder_spec.py

tools/buildbot_spec.py

Index: tools/buildbot_spec.py
diff --git a/tools/buildbot_spec.py b/tools/buildbot_spec.py
new file mode 100755
index 0000000000000000000000000000000000000000..92ff170dddf005761e819ca609223622ed53d9a9
--- /dev/null
+++ b/tools/buildbot_spec.py
@@ -0,0 +1,240 @@
+#
+# Copyright 2015 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+#
+
+#!/usr/bin/env python
+
+usage = '''
+Write buildbot spec to outfile based on the bot name:
+  $ python buildbot_spec.py outfile Test-Ubuntu-GCC-GCE-CPU-AVX2-x86-Debug
+Or run self-tests:
+  $ python buildbot_spec.py test
+'''
+
+import inspect
+import json
+import os
+import sys
+
+import builder_name_schema
+
+
+def lineno():
+  caller = inspect.stack()[1]  # Up one level to our caller.
+  return inspect.getframeinfo(caller[0]).lineno
+
+# Since we don't actually start coverage until we're in the self-test,
+# some function def lines aren't reported as covered. Add them to this
+# list so that we can ignore them.
+cov_skip = []
+
+cov_start = lineno()+1   # We care about coverage starting just past this def.
+def gyp_defines(builder_dict):
+  gyp_defs = {}
+
+  # skia_arch_type.
+  if builder_dict['role'] == builder_name_schema.BUILDER_ROLE_BUILD:
+    arch = builder_dict['target_arch']
+  elif builder_dict['role'] == builder_name_schema.BUILDER_ROLE_HOUSEKEEPER:
+    arch = None
+  else:
+    arch = builder_dict['arch']
+
+  arch_types = {
+    'x86':      'x86',
+    'x86_64':   'x86_64',
+    'Arm7':     'arm',
+    'Arm64':    'arm64',
+    'Mips':     'mips32',
+    'Mips64':   'mips64',
+    'MipsDSP2': 'mips32',
+  }
+  if arch in arch_types:
+    gyp_defs['skia_arch_type']  = arch_types[arch]
+
+  # housekeeper: build shared lib.
+  if builder_dict['role'] == builder_name_schema.BUILDER_ROLE_HOUSEKEEPER:
+    gyp_defs['skia_shared_lib'] = '1'
+
+  # skia_gpu.
+  if builder_dict.get('cpu_or_gpu') == 'CPU':
+    gyp_defs['skia_gpu'] = '0'
+
+  # skia_warnings_as_errors.
+  werr = False
+  if builder_dict['role'] == builder_name_schema.BUILDER_ROLE_BUILD:
+    if 'Win' in builder_dict.get('os', ''):
+      if not ('GDI' in builder_dict.get('extra_config', '') or
+              'Exceptions' in builder_dict.get('extra_config', '')):
+        werr = True
+    elif ('Mac' in builder_dict.get('os', '') and
+          'Android' in builder_dict.get('extra_config', '')):
+      werr = False
+    else:
+      werr = True
+  gyp_defs['skia_warnings_as_errors'] = str(int(werr))  # True/False -> '1'/'0'
+
+  # Win debugger.
+  if 'Win' in builder_dict.get('os', ''):
+    gyp_defs['skia_win_debuggers_path'] = 'c:/DbgHelp'
+
+  # Qt SDK (Win).
+  if 'Win' in builder_dict.get('os', ''):
+    if builder_dict.get('os') == 'Win8':
+      gyp_defs['qt_sdk'] = 'C:/Qt/Qt5.1.0/5.1.0/msvc2012_64/'
+    else:
+      gyp_defs['qt_sdk'] = 'C:/Qt/4.8.5/'
+
+  # ANGLE.
+  if builder_dict.get('extra_config') == 'ANGLE':
+    gyp_defs['skia_angle'] = '1'
+
+  # GDI.
+  if builder_dict.get('extra_config') == 'GDI':
+    gyp_defs['skia_gdi'] = '1'
+
+  # Build with Exceptions on Windows.
+  if ('Win' in builder_dict.get('os', '') and
+      builder_dict.get('extra_config') == 'Exceptions'):
+    gyp_defs['skia_win_exceptions'] = '1'
+
+  # iOS.
+  if (builder_dict.get('os') == 'iOS' or
+      builder_dict.get('extra_config') == 'iOS'):
+    gyp_defs['skia_os'] = 'ios'
+
+  # Shared library build.
+  if builder_dict.get('extra_config') == 'Shared':
+    gyp_defs['skia_shared_lib'] = '1'
+
+  # PDF viewer in GM.
+  if (builder_dict.get('os') == 'Mac10.8' and
+      builder_dict.get('arch') == 'x86_64' and
+      builder_dict.get('configuration') == 'Release'):
+    gyp_defs['skia_run_pdfviewer_in_gm'] = '1'
+
+  # Clang.
+  if builder_dict.get('compiler') == 'Clang':
+    gyp_defs['skia_clang_build'] = '1'
+
+  # Valgrind.
+  if 'Valgrind' in builder_dict.get('extra_config', ''):
+    gyp_defs['skia_release_optimization_level'] = '1'
+
+  # Link-time code generation just wastes time on compile-only bots.
+  if (builder_dict.get('role') == builder_name_schema.BUILDER_ROLE_BUILD and
+      builder_dict.get('compiler') == 'MSVC'):
+    gyp_defs['skia_win_ltcg'] = '0'
+
+  # Mesa.
+  if (builder_dict.get('extra_config') == 'Mesa' or
+      builder_dict.get('cpu_or_gpu_value') == 'Mesa'):
+    gyp_defs['skia_mesa'] = '1'
+
+  # SKNX_NO_SIMD
+  if builder_dict.get('extra_config') == 'SKNX_NO_SIMD':
+    gyp_defs['sknx_no_simd'] = '1'
+
+  # skia_use_android_framework_defines.
+  if builder_dict.get('extra_config') == 'Android_FrameworkDefs':
+    gyp_defs['skia_use_android_framework_defines'] = '1'
+
+  return gyp_defs
+
+
+cov_skip.extend([lineno(), lineno() + 1])
+def get_extra_env_vars(builder_dict):
+  env = {}
+  if builder_dict.get('compiler') == 'Clang':
+    env['CC'] = '/usr/bin/clang'
+    env['CXX'] = '/usr/bin/clang++'
+  return env
+
+
+cov_skip.extend([lineno(), lineno() + 1])
+def build_targets_from_builder_dict(builder_dict):
+  """Return a list of targets to build, depending on the builder type."""
+  if builder_dict['role'] in ('Test', 'Perf') and builder_dict['os'] == 'iOS':
+    return ['iOSShell']
+  elif builder_dict['role'] == builder_name_schema.BUILDER_ROLE_TEST:
+    t = ['dm']
+    if builder_dict.get('configuration') == 'Debug':
+      t.append('nanobench')
+    return t
+  elif builder_dict['role'] == builder_name_schema.BUILDER_ROLE_PERF:
+    return ['nanobench']
+  else:
+    return ['most']
+
+
+cov_skip.extend([lineno(), lineno() + 1])
+def get_builder_spec(builder_name):
+  builder_dict = builder_name_schema.DictForBuilderName(builder_name)
+  env = get_extra_env_vars(builder_dict)
+  gyp_defs = gyp_defines(builder_dict)
+  gyp_defs_list = ['%s=%s' % (k, v) for k, v in gyp_defs.iteritems()]
+  gyp_defs_list.sort()
+  env['GYP_DEFINES'] = ' '.join(gyp_defs_list)
+  return {
+    'build_targets': build_targets_from_builder_dict(builder_dict),
+    'env': env,
+  }
+
+
+cov_end = lineno()   # Don't care about code coverage past here.
+
+
+def self_test():
+  import coverage  # This way the bots don't need coverage.py to be installed.
+  args = {}
+  cases = [
+        'Build-Mac10.8-Clang-Arm7-Debug-Android',
+        'Build-Win-MSVC-x86-Debug',
+        'Build-Win-MSVC-x86-Debug-GDI',
+        'Build-Win-MSVC-x86-Debug-Exceptions',
+        'Build-Ubuntu-GCC-Arm7-Debug-Android_FrameworkDefs',
+        'Build-Ubuntu-GCC-x86_64-Release-Mesa',
+        'Housekeeper-PerCommit',
+        'Perf-Win8-MSVC-ShuttleB-GPU-HD4600-x86_64-Release-Trybot',
+        'Test-iOS-Clang-iPad4-GPU-SGX554-Arm7-Debug',
+        'Test-Mac10.8-Clang-MacMini4.1-GPU-GeForce320M-x86_64-Release',
+        'Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD',
+        'Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-Shared',
+        'Test-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind',
+        'Test-Win8-MSVC-ShuttleB-GPU-HD4600-x86-Release-ANGLE',
+        'Test-Win8-MSVC-ShuttleA-CPU-AVX-x86_64-Debug',
+  ]
+
+  cov = coverage.coverage()
+  cov.start()
+  for case in cases:
+    args[case] = get_builder_spec(case)
+  cov.stop()
+
+  this_file = os.path.basename(__file__)
+  _, _, not_run, _ = cov.analysis(this_file)
+  filtered = [line for line in not_run if
+              line > cov_start and line < cov_end and line not in cov_skip]
+  if filtered:
+    print 'Lines not covered by test cases: ', filtered
+    sys.exit(1)
+
+  golden = this_file.replace('.py', '.json')
+  with open(os.path.join(os.path.dirname(__file__), golden), 'w') as f:
+    json.dump(args, f, indent=2, sort_keys=True)
+
+
+if __name__ == '__main__':
+  if len(sys.argv) == 2 and sys.argv[1] == 'test':
+    self_test()
+    sys.exit(0)
+
+  if len(sys.argv) != 3:
+    print usage
+    sys.exit(1)
+
+  with open(sys.argv[1], 'w') as out:
+    json.dump(get_builder_spec(sys.argv[2]), out)