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# Copyright (c) Microsoft Corporation.
# Licensed under the MIT license.
import os
from .parser_DFG import DFG_python,DFG_java,DFG_ruby,DFG_go,DFG_php,DFG_javascript,DFG_csharp
from .parser_utils import (remove_comments_and_docstrings,
tree_to_token_index,
index_to_code_token,
tree_to_variable_index)
from tree_sitter import Language, Parser
dfg_function={
'python':DFG_python,
'java':DFG_java,
'ruby':DFG_ruby,
'go':DFG_go,
'php':DFG_php,
'javascript':DFG_javascript,
'c_sharp':DFG_csharp,
}
def calc_syntax_match(references, candidate, lang):
return corpus_syntax_match([references], [candidate], lang)
def corpus_syntax_match(references, candidates, lang, langso_dir):
# print(os.listdir())
JAVA_LANGUAGE = Language(langso_dir, lang)
parser = Parser()
parser.set_language(JAVA_LANGUAGE)
match_count = 0
total_count = 0
for i in range(len(candidates)):
references_sample = references[i]
candidate = candidates[i]
for reference in references_sample:
try:
candidate=remove_comments_and_docstrings(candidate,'java')
except:
pass
try:
reference=remove_comments_and_docstrings(reference,'java')
except:
pass
candidate_tree = parser.parse(bytes(candidate,'utf8')).root_node
reference_tree = parser.parse(bytes(reference,'utf8')).root_node
def get_all_sub_trees(root_node):
node_stack = []
sub_tree_sexp_list = []
depth = 1
node_stack.append([root_node, depth])
while len(node_stack) != 0:
cur_node, cur_depth = node_stack.pop()
sub_tree_sexp_list.append([cur_node.sexp(), cur_depth])
for child_node in cur_node.children:
if len(child_node.children) != 0:
depth = cur_depth + 1
node_stack.append([child_node, depth])
return sub_tree_sexp_list
cand_sexps = [x[0] for x in get_all_sub_trees(candidate_tree)]
ref_sexps = get_all_sub_trees(reference_tree)
# print(cand_sexps)
# print(ref_sexps)
for sub_tree, depth in ref_sexps:
if sub_tree in cand_sexps:
match_count += 1
total_count += len(ref_sexps)
score = match_count / total_count
return score
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