def __init__(self, file_name=None, mode='exec', packages=None, width=None, height=None):
""" Constructor
AST browser windows that displays the Abstract Syntax Tree
of source_text code.
The source_text can be given as text in the source_text parameter, or
can be read from a file. The file_name parameter overrides
the source_text parameter.
The mode argument specifies what kind of code must be compiled;
it can be 'exec' if source_text consists of a sequence of statements,
'eval' if it consists of a single expression, or 'single' if it
consists of a single interactive statement (in the latter case,
expression statements that evaluate to something other than None
will be printed).
(see http://docs.python.org/2/library/functions.html#compile)
"""
super(AstToolBox, self).__init__()
valid_modes = ['exec', 'eval', 'single']
if mode not in valid_modes:
raise ValueError("Mode must be one of: {}".format(valid_modes))
self._mode = 'exec'
self.auto_expand_ast = True
self.start_packages = packages if packages else []
self.start_packages += [
'ctree.transformations',
'ctree.c.codegen',
'ctree.ocl.codegen',
'ctree.omp.codegen',
]
self.settings = None
# Set up the UI
self.tree_transform_controller = TreeTransformController()
# there is a little trick here so both presenters know about their partner
self.code_presenter = CodePresenter(
tree_transform_controller=self.tree_transform_controller
)
self.transform_presenter = TransformPresenter(
tree_transform_controller=self.tree_transform_controller,
start_packages=self.start_packages,
)
self.code_presenter.set_transform_presenter(self.transform_presenter)
self.transform_presenter.set_code_presenter(self.code_presenter)
self.code_presenter.new_item_from_file(file_name)
self.transform_presenter.load_files(self.start_packages)
central_splitter = QtGui.QSplitter(self, orientation=QtCore.Qt.Horizontal)
self.setCentralWidget(central_splitter)
central_layout = QtGui.QHBoxLayout()
central_splitter.setLayout(central_layout)
# Create base tree widget
central_layout.addWidget(self.code_presenter.code_pane)
central_layout.addWidget(self.transform_presenter.transform_pane)
# Splitter parameters
central_splitter.setCollapsible(0, True)
central_splitter.setCollapsible(1, True)
central_splitter.setSizes([AstToolBox.default_left_frame_size, 250])
central_splitter.setStretchFactor(0, 0.5)
central_splitter.setStretchFactor(1, 0.5)
self._setup_menu()
self.setWindowTitle('{}'.format(PROGRAM_NAME))
self.read_settings()
class AstToolBox(QtGui.QMainWindow):
"""
The main application.
"""
default_left_frame_size = 900
def __init__(self, file_name=None, mode='exec', packages=None, width=None, height=None):
""" Constructor
AST browser windows that displays the Abstract Syntax Tree
of source_text code.
The source_text can be given as text in the source_text parameter, or
can be read from a file. The file_name parameter overrides
the source_text parameter.
The mode argument specifies what kind of code must be compiled;
it can be 'exec' if source_text consists of a sequence of statements,
'eval' if it consists of a single expression, or 'single' if it
consists of a single interactive statement (in the latter case,
expression statements that evaluate to something other than None
will be printed).
(see http://docs.python.org/2/library/functions.html#compile)
"""
super(AstToolBox, self).__init__()
valid_modes = ['exec', 'eval', 'single']
if mode not in valid_modes:
raise ValueError("Mode must be one of: {}".format(valid_modes))
self._mode = 'exec'
self.auto_expand_ast = True
self.start_packages = packages if packages else []
self.start_packages += [
'ctree.transformations',
'ctree.c.codegen',
'ctree.ocl.codegen',
'ctree.omp.codegen',
]
self.settings = None
# Set up the UI
self.tree_transform_controller = TreeTransformController()
# there is a little trick here so both presenters know about their partner
self.code_presenter = CodePresenter(
tree_transform_controller=self.tree_transform_controller
)
self.transform_presenter = TransformPresenter(
tree_transform_controller=self.tree_transform_controller,
start_packages=self.start_packages,
)
self.code_presenter.set_transform_presenter(self.transform_presenter)
self.transform_presenter.set_code_presenter(self.code_presenter)
self.code_presenter.new_item_from_file(file_name)
self.transform_presenter.load_files(self.start_packages)
central_splitter = QtGui.QSplitter(self, orientation=QtCore.Qt.Horizontal)
self.setCentralWidget(central_splitter)
central_layout = QtGui.QHBoxLayout()
central_splitter.setLayout(central_layout)
# Create base tree widget
central_layout.addWidget(self.code_presenter.code_pane)
central_layout.addWidget(self.transform_presenter.transform_pane)
# Splitter parameters
central_splitter.setCollapsible(0, True)
central_splitter.setCollapsible(1, True)
central_splitter.setSizes([AstToolBox.default_left_frame_size, 250])
central_splitter.setStretchFactor(0, 0.5)
central_splitter.setStretchFactor(1, 0.5)
self._setup_menu()
self.setWindowTitle('{}'.format(PROGRAM_NAME))
self.read_settings()
#
# TODO: figure out where and how to set the focus of this thing as it starts up
def write_settings(self):
self.settings = QtCore.QSettings()
self.settings.beginGroup("MainWindow")
self.settings.setValue("size", self.size())
self.settings.setValue("pos", self.pos())
self.settings.endGroup()
def read_settings(self):
self.settings = QtCore.QSettings()
self.settings.beginGroup("MainWindow")
self.resize(self.settings.value("size", QtCore.QSize(1100, 900)))
self.move(self.settings.value("pos", QtCore.QPoint(200, 200)))
self.settings.endGroup()
def _setup_menu(self):
""" Sets up the main menu.
"""
file_menu = self.menuBar().addMenu("&File")
file_menu.addAction("&Open...", self.open_file, "Ctrl+O")
#file_menu.addAction("C&lose", self.close_window, "Ctrl+W")
file_menu.addAction("E&xit", AstToolBox.quit_application, "Ctrl+Q")
view_menu = self.menuBar().addMenu("&View")
self.auto_expand_ast = QtGui.QAction("Expand AST trees on create", self, checkable=True, checked=True)
assert self.auto_expand_ast.toggled.connect(self.set_auto_expand)
self.menuBar().addSeparator()
help_menu = self.menuBar().addMenu("&Help")
help_menu.addAction('&About', self.about)
def set_auto_expand(self):
self.tree_transform_controller.ast_tree_manager.set_auto_expand(self.auto_expand_ast.isChecked())
def new_file(self):
""" Clears the widgets """
self.ast_tree.make_tree_from()
def open_file(self, file_name=None):
""" Opens a new file. Show the open file dialog if file_name is None.
"""
if not file_name:
file_name, _ = QtGui.QFileDialog.getOpenFileName(self, "Open Python Source", "", "Python Files (*.py)")
print (file_name)
self.code_presenter.new_file(file_name)
def about(self):
""" Shows the about message window. """
QtGui.QMessageBox.about(self, "About %s" % PROGRAM_NAME, ABOUT_MESSAGE)
def close_window(self):
""" Closes the window """
self.close()
def closeEvent(self, event):
self.write_settings()
event.accept()
@staticmethod
def quit_application():
""" Closes all windows """
app = QtGui.QApplication.instance()
app.closeAllWindows()