File: globals.py

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"""This script shows how to compute the list of global entities in a whole
   application, in a project or in a source file"""

from GPS import *

def global_entities (where = None):
  """Return all global entities in where, which should either be an instance
     of GPS.File, GPS.Project, or None. In the latter case, all global
     entities in the application are returned"""
  result = []
  if not where:
   for p in Project.root().dependencies (recursive=True):
     result.extend (global_entities (p))

  elif isinstance (where, Project):
    for s in where.sources():
      result.extend (global_entities (s))

  elif isinstance (where, File):
    for e in where.entities():
      if e.attributes()["global"]:
         result.append (e)
  return result