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import os
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from .parser import DFG_python,DFG_java,DFG_ruby,DFG_go,DFG_php,DFG_javascript,DFG_csharp
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from .parser import (remove_comments_and_docstrings,
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tree_to_token_index,
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index_to_code_token,
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tree_to_variable_index)
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from tree_sitter import Language, Parser
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dfg_function={
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'python':DFG_python,
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'java':DFG_java,
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'ruby':DFG_ruby,
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'go':DFG_go,
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'php':DFG_php,
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'javascript':DFG_javascript,
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'c_sharp':DFG_csharp,
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}
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def calc_syntax_match(references, candidate, lang):
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return corpus_syntax_match([references], [candidate], lang)
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def corpus_syntax_match(references, candidates, lang):
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JAVA_LANGUAGE = Language(os.path.abspath(os.path.dirname(__file__)) + '/parser/my-languages.so', lang)
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parser = Parser()
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parser.set_language(JAVA_LANGUAGE)
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match_count = 0
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total_count = 0
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for i in range(len(candidates)):
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references_sample = references[i]
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candidate = candidates[i]
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for reference in references_sample:
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try:
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candidate=remove_comments_and_docstrings(candidate,'java')
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except:
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pass
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try:
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reference=remove_comments_and_docstrings(reference,'java')
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except:
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pass
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candidate_tree = parser.parse(bytes(candidate,'utf8')).root_node
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reference_tree = parser.parse(bytes(reference,'utf8')).root_node
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def get_all_sub_trees(root_node):
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node_stack = []
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sub_tree_sexp_list = []
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depth = 1
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node_stack.append([root_node, depth])
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while len(node_stack) != 0:
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cur_node, cur_depth = node_stack.pop()
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sub_tree_sexp_list.append([cur_node.sexp(), cur_depth])
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for child_node in cur_node.children:
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if len(child_node.children) != 0:
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depth = cur_depth + 1
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node_stack.append([child_node, depth])
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return sub_tree_sexp_list
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cand_sexps = [x[0] for x in get_all_sub_trees(candidate_tree)]
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ref_sexps = get_all_sub_trees(reference_tree)
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for sub_tree, depth in ref_sexps:
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if sub_tree in cand_sexps:
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match_count += 1
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total_count += len(ref_sexps)
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score = match_count / total_count
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return score
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