from Lexer import SMLLexer
from Parser import SMLParser
from Configuration import Configuration
configuration = Configuration()
lexer = SMLLexer(configuration)
parser = SMLParser(configuration)
while 1:
input_string = raw_input(">>")
print "Input:", input_string
tokens = lexer.lex(input_string)
print "Tokens:", tokens
AST, position = parser.parse(tokens)
if position != len(tokens):
configuration.report_parsing_error(
"After parsing the following tokens were left:\n" + " ".join(map(lambda x: x[1], tokens[position:]))
)
if not AST:
continue
else:
AST.dump_ast()
print AST.to_string()
parser.clear()
class LMS(Widget):
error_window_height = NumericProperty(10)
font_size = NumericProperty(14)
files = ListProperty([None, ])
def __init__(self):
super(LMS, self).__init__()
self.configuration = Configuration()
self.lexer = SMLLexer(self.configuration)
self.parser = SMLParser(self.configuration)
self.config_popup = ConfigPopup(self)
self._keyboard = Window.request_keyboard(self._keyboard_closed, self)
self._keyboard.bind(on_key_down=self._on_keyboard_down)
ewh = self.configuration.get_option('GUI_Error_Window_Height')
if ewh:
ewh.set_prop(self.error_window_height)
#Clock.schedule_once(self.initialize, 10)
def initialize(self, time):
print dir(self)
print self.font_size
print self.config_popup.font_size
self.error_window_height = 100
def _keyboard_closed(self):
pass
def _on_keyboard_down(self, keyboard, keycode, text, modifiers):
if keycode[0] == 286: # F5
self.parse()
return False
def parse(self):
tokens = self.lexer.lex(str(self.code_input.text))
print tokens
self.parser.clear()
ASTToplevel, position = self.parser.parse(tokens)
print str(ASTToplevel), position
nodes = []
ASTToplevel.traverse(lambda x: (nodes.append(x) if x.is_expression else None),
pred_recurse = lambda x: x not in nodes)
self.expression_list.clear_widgets()
for node in nodes:
self.expression_list.add_widget(Button(text='%s' % str(node), background_color=[.2, .2, .2, 1]))
node= nodes[0]
i = self.expression_tree_image_area.size[1]
self.expression_tree_image_area.add_widget(Label(text=node.get_token_text(), pos=(self.expression_tree_image_area.size[0]/2, i)))
for child in node.children:
i-=20
self.expression_tree_image_area.add_widget(Label(text=child.get_token_text(), pos=(self.expression_tree_image_area.size[0]/2, i)))
print self.expression_list.children
print nodes
def traverse_ast(self, node, predicate, recurse = True):
nodes = []
for child in node.children:
if predicate(child):
nodes.append(child)
if recurse:
nodes += self.traverse_ast(child, predicate, recurse)
else:
nodes += self.traverse_ast(child, predicate, recurse)
return nodes
def on_font_size(self, instance, value):
self.code_input.font_size = value
def _open_config(self):
self.config_popup.open()
def _update_size(self, instance, size):
self.code_input.font_size = float(size)
def _update_font(self, instance, fnt_name):
instance.font_name = self.code_input.font_name =\
fonts.match_font(fnt_name)
def _file_menu_selected(self, instance, value):
if value == 'File':
return
instance.text = 'File'
if value == 'Open':
if not hasattr(self, 'load_dialog'):
self.load_dialog = LoadDialog()
self.load_dialog.open()
self.load_dialog.bind(choosen_file=self.setter('files'))
elif value == 'SaveAs':
if not hasattr(self, 'saveas_dialog'):
self.saveas_dialog = SaveDialog()
self.saveas_dialog.text = self.code_input.text
self.saveas_dialog.open()
elif value == 'Save':
if self.files[0]:
_file = codecs.open(self.files[0], 'w', encoding='utf8')
_file.write(self.code_input.text)
_file.close()
elif value == 'Close':
if self.files[0]:
self.code_input.text = ''
Window.title = 'untitled'
def on_files(self, instance, values):
if not values[0]:
return
_file = codecs.open(values[0], 'r', encoding='utf8')
self.code_input.text = _file.read()
_file.close()