def show_with_dot(self):
from ctree.visual.dot_manager import DotManager
# start_node = self.currentItem().ast_node
#
# def find_appropriate_node(node):
# if not node:
# return None
# if isinstance(node, ast.AST):
# return node
# if hasattr(node, 'parent'):
# return find_appropriate_node(node.parent)
# return None
#
# start_node = find_appropriate_node(start_node)
start_item = self.currentItem()
def find_appropriate_node(item):
if not item:
return None
if hasattr(item, 'ast_node') and isinstance(item.ast_node, ast.AST):
return item.ast_node
if hasattr(item, 'parent'):
return find_appropriate_node(item.parent())
print("bad node %s" % item)
import pprint
pprint(dir(item))
return None
start_node = find_appropriate_node(start_item)
if not start_node:
self.code_presenter.show_error("Sorry, cannot find an ast node to begin graph")
return
file_name = os.path.join(tempfile.gettempdir(), 'tree_%s.png' % self.tab_name)
DotManager.dot_ast_to_browser(start_node, file_name)
def browser_show_ast(tree, file_name):
"""
convenience method to display an AST in ipython
converts tree in place to a dot format
then renders that into a png file
"""
return DotManager.dot_ast_to_browser(tree, file_name)
def browser_show_ast(tree, file_name):
"""
convenience method to display an AST in ipython
converts tree in place to a dot format
then renders that into a png file
"""
return DotManager.dot_ast_to_browser(tree, file_name)
def ipython_show_ast(tree):
"""
convenience method to display an AST in ipython
converts tree in place to a dot format
then renders that into a png file
"""
import ctree.dotgen
return DotManager.dot_ast_to_image(tree)
def ipython_show_ast(tree):
"""
convenience method to display an AST in ipython
converts tree in place to a dot format
then renders that into a png file
"""
import ctree.dotgen
return DotManager.dot_ast_to_image(tree)
def ast_command(self, command):
fields = command.split()
if len(fields) < 2 or fields[1].startswith("list"):
self.show_asts()
elif fields[1].startswith("del"):
if len(fields) > 2 and self.delete_ast(fields[2]):
pass
else:
print("error: delete command must specify index of tree to delete")
elif fields[1].startswith("cle"):
self.controller.ast_tree_manager.clear()
elif fields[1].startswith("sho"):
try:
index = int(fields[2])
from ctree.visual.dot_manager import DotManager
print("calling open")
DotManager.dot_ast_to_browser(self.controller.ast_tree_manager[index].ast_tree, "tree%d.png" % index)
except IOError as e:
print("ast show requires numeric index of ast, msg %s" % e.message)
else:
print("unknown ast command")
def show_with_dot(self):
from ctree.visual.dot_manager import DotManager
# start_node = self.currentItem().ast_node
#
# def find_appropriate_node(node):
# if not node:
# return None
# if isinstance(node, ast.AST):
# return node
# if hasattr(node, 'parent'):
# return find_appropriate_node(node.parent)
# return None
#
# start_node = find_appropriate_node(start_node)
start_item = self.currentItem()
def find_appropriate_node(item):
if not item:
return None
if hasattr(item, 'ast_node') and isinstance(
item.ast_node, ast.AST):
return item.ast_node
if hasattr(item, 'parent'):
return find_appropriate_node(item.parent())
print("bad node %s" % item)
import pprint
pprint(dir(item))
return None
start_node = find_appropriate_node(start_item)
if not start_node:
self.code_presenter.show_error(
"Sorry, cannot find an ast node to begin graph")
return
file_name = os.path.join(tempfile.gettempdir(),
'tree_%s.png' % self.tab_name)
DotManager.dot_ast_to_browser(start_node, file_name)
def test_c_identity(self):
tree = get_ast(square_of)
DotManager.run_dot(tree.to_dot())
def test_c_identity(self):
tree = get_ast(square_of)
DotManager.run_dot(tree.to_dot())
__author__ = "Polyarnyi Nickolay"
from recursive_parsing.grammars import pascal_vars_grammar
from recursive_parsing.grammars.grammar import Grammar
from recursive_parsing.lexical_analyzers.pascal_lexical_analyzer import PascalLexicalAnalyzer
from recursive_parsing.syntax_analyzer import syntax_analyze
from IPython.display import Image
from ctree.visual.dot_manager import DotManager
rules = pascal_vars_grammar.rules
terminals = pascal_vars_grammar.terminals
grammar = Grammar(pascal_vars_grammar.start, rules, terminals)
string = '''
var
a, b: integer;
'''
tree = syntax_analyze(string, PascalLexicalAnalyzer(), grammar)
labels = tree._to_text_labels()
connections = tree._to_text_connections()
text = 'digraph mytree {' + labels + connections + '}'
Image(DotManager.run_dot(text), embed=True)