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"""List all variables referenced in the selected subprogram
This script adds a contextual menu when you click on a subprogram.
The submenu will list the first reference to all variables (local or global)
used in the selected subprogram.
"""
############################################################################
# No user customization below this line
############################################################################
import GPS
from gi.repository import GLib
import gps_utils
import six
def list_vars(subprogram, global_only=False):
"""List all variables referenced by the subprogram.
subprogram is an instance of GPS.Entity"""
try:
locFile = subprogram.body().file()
locFrom = subprogram.body().line()
locTo = subprogram.end_of_scope().line()
except:
return
category = "variables referenced in " + subprogram.full_name()
if global_only:
category = "non local " + category
GPS.Locations.remove_category(category)
added = False
highlight = ""
# to enable colors:
# highlight = "light green"
# Editor.register_highlighting ("var refs", "light green")
for e in locFile.entities(local=False):
if not e.is_type():
found = False
refs = e.references(
include_implicit=True,
in_file=locFile,
show_kind=True)
for loc, kind in six.iteritems (refs):
if not found \
and loc.file() == locFile \
and loc.line() >= locFrom \
and loc.line() <= locTo:
decl = e.declaration()
if decl.file() != locFile \
or decl.line() < locFrom \
or decl.line() > locTo:
GPS.Locations.add(
category=category,
file=loc.file(),
line=loc.line(),
column=loc.column(),
message="%s (decl: %s) %s" % (
e.full_name(), e.declaration(), kind),
highlight=highlight,
length=0)
added = True
elif not global_only:
GPS.Locations.add(
category=category,
file=loc.file(),
line=loc.line(),
column=loc.column(),
message="%s %s" % (e.name(), kind),
highlight=highlight,
length=0)
added = True
found = True
if added:
GPS.MDI.get("Locations").raise_window()
def on_filter(context):
return (context.entity_name() is not None and
context.entity() and context.entity().is_subprogram())
def on_label(context):
entity = context.entity()
if entity:
return "References/Variables used in <b>" + \
GLib.markup_escape_text(entity.name()) + "</b>"
else:
return ""
def on_global_label(context):
entity = context.entity()
if entity:
return "References/Non local variables used in <b>" + \
GLib.markup_escape_text(entity.name()) + "</b>"
else:
return ""
@gps_utils.interactive(
name='Variables referenced',
contextual=on_label,
filter=on_filter,
static_path="References/Variables used in")
def __list_local_vars():
"""List all variables referenced by the subprogram."""
list_vars(GPS.current_context().entity(), True)
@gps_utils.interactive(
name='Non local Variables referenced',
contextual=on_global_label,
filter=on_filter,
static_path="References/Non local variables used in")
def __list_global_vars():
"""List all non local variables referenced by the subprogram."""
list_vars(GPS.current_context().entity(), False)
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