# Copyright 2012 the V8 project authors. All rights reserved.
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# modification, are permitted provided that the following conditions are
# met:
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#       notice, this list of conditions and the following disclaimer.
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#       with the distribution.
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#       contributors may be used to endorse or promote products derived
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"""Top-level presubmit script for V8.

See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
for more details about the presubmit API built into gcl.
"""

def _V8PresubmitChecks(input_api, output_api):
  """Runs the V8 presubmit checks."""
  import sys
  sys.path.append(input_api.os_path.join(
        input_api.PresubmitLocalPath(), 'tools'))
  from presubmit import CppLintProcessor
  from presubmit import SourceProcessor

  results = []
  if not CppLintProcessor().Run(input_api.PresubmitLocalPath()):
    results.append(output_api.PresubmitError("C++ lint check failed"))
  if not SourceProcessor().Run(input_api.PresubmitLocalPath()):
    results.append(output_api.PresubmitError(
        "Copyright header, trailing whitespaces and two empty lines " \
        "between declarations check failed"))
  return results


def _CommonChecks(input_api, output_api):
  """Checks common to both upload and commit."""
  results = []
  results.extend(input_api.canned_checks.CheckOwners(
      input_api, output_api, source_file_filter=None))
  results.extend(_V8PresubmitChecks(input_api, output_api))
  return results


def CheckChangeOnUpload(input_api, output_api):
  results = []
  results.extend(_CommonChecks(input_api, output_api))
  return results


def CheckChangeOnCommit(input_api, output_api):
  results = []
  results.extend(_CommonChecks(input_api, output_api))
  results.extend(input_api.canned_checks.CheckChangeHasDescription(
      input_api, output_api))
  results.extend(input_api.canned_checks.CheckTreeIsOpen(
      input_api, output_api,
      json_url='http://v8-status.appspot.com/current?format=json'))
  return results