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775 lines (703 loc) · 40.2 KB
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# src/codegraphcontext/tools/code_finder.py
import logging
import re
from typing import Any, Dict, List, Literal
from pathlib import Path
from ..core.database import DatabaseManager
logger = logging.getLogger(__name__)
class CodeFinder:
"""Module for finding relevant code snippets and analyzing relationships."""
def __init__(self, db_manager: DatabaseManager):
self.db_manager = db_manager
self.driver = self.db_manager.get_driver()
def format_query(self, find_by: Literal["Class", "Function"], fuzzy_search:bool) -> str:
"""Format the search query based on the search type and fuzzy search settings."""
return f"""
CALL db.index.fulltext.queryNodes("code_search_index", $search_term) YIELD node, score
WITH node, score
WHERE node:{find_by} {'AND node.name CONTAINS $search_term' if not fuzzy_search else ''}
RETURN node.name as name, node.file_path as file_path, node.line_number as line_number,
node.source as source, node.docstring as docstring, node.is_dependency as is_dependency
ORDER BY score DESC
LIMIT 20
"""
def find_by_function_name(self, search_term: str, fuzzy_search: bool) -> List[Dict]:
"""Find functions by name matching using the full-text index."""
with self.driver.session() as session:
if fuzzy_search:
formatted_search_term = f"name:{search_term}"
result = session.run(self.format_query("Function", fuzzy_search), search_term=formatted_search_term)
else:
result = session.run(self.format_query("Function", fuzzy_search), search_term=search_term)
return [dict(record) for record in result]
def find_by_class_name(self, search_term: str, fuzzy_search: bool) -> List[Dict]:
"""Find classes by name matching using the full-text index."""
with self.driver.session() as session:
if fuzzy_search:
formatted_search_term = f"name:{search_term}"
result = session.run(self.format_query("Class", fuzzy_search), search_term=formatted_search_term)
else:
result = session.run(self.format_query("Class", fuzzy_search), search_term=search_term)
return [dict(record) for record in result]
def find_by_variable_name(self, search_term: str) -> List[Dict]:
"""Find variables by name matching"""
with self.driver.session() as session:
result = session.run("""
MATCH (v:Variable)
WHERE v.name CONTAINS $search_term OR v.name =~ $regex_pattern
RETURN v.name as name, v.file_path as file_path, v.line_number as line_number,
v.value as value, v.context as context, v.is_dependency as is_dependency
ORDER BY v.is_dependency ASC, v.name
LIMIT 20
""", search_term=search_term, regex_pattern=f"(?i).*{re.escape(search_term)}.*")
return [dict(record) for record in result]
def find_by_content(self, search_term: str) -> List[Dict]:
"""Find code by content matching in source or docstrings using the full-text index."""
with self.driver.session() as session:
result = session.run("""
CALL db.index.fulltext.queryNodes("code_search_index", $search_term) YIELD node, score
WITH node, score
WHERE node:Function OR node:Class OR node:Variable
RETURN
CASE
WHEN node:Function THEN 'function'
WHEN node:Class THEN 'class'
ELSE 'variable'
END as type,
node.name as name, node.file_path as file_path,
node.line_number as line_number, node.source as source,
node.docstring as docstring, node.is_dependency as is_dependency
ORDER BY score DESC
LIMIT 20
""", search_term=search_term)
return [dict(record) for record in result]
def find_related_code(self, user_query: str, fuzzy_search: bool, edit_distance: int) -> Dict[str, Any]:
"""Find code related to a query using multiple search strategies"""
if fuzzy_search:
user_query_normalized = " ".join(map(lambda x: f"{x}~{edit_distance}", user_query.split(" ")))
else:
user_query_normalized = user_query
results = {
"query": user_query_normalized,
"functions_by_name": self.find_by_function_name(user_query_normalized, fuzzy_search),
"classes_by_name": self.find_by_class_name(user_query_normalized, fuzzy_search),
"variables_by_name": self.find_by_variable_name(user_query), # no fuzzy for variables as they are not using full-text index
"content_matches": self.find_by_content(user_query_normalized)
}
all_results = []
for func in results["functions_by_name"]:
func["search_type"] = "function_name"
func["relevance_score"] = 0.9 if not func["is_dependency"] else 0.7
all_results.append(func)
for cls in results["classes_by_name"]:
cls["search_type"] = "class_name"
cls["relevance_score"] = 0.8 if not cls["is_dependency"] else 0.6
all_results.append(cls)
for var in results["variables_by_name"]:
var["search_type"] = "variable_name"
var["relevance_score"] = 0.7 if not var["is_dependency"] else 0.5
all_results.append(var)
for content in results["content_matches"]:
content["search_type"] = "content"
content["relevance_score"] = 0.6 if not content["is_dependency"] else 0.4
all_results.append(content)
all_results.sort(key=lambda x: x["relevance_score"], reverse=True)
results["ranked_results"] = all_results[:15]
results["total_matches"] = len(all_results)
return results
def find_functions_by_argument(self, argument_name: str, file_path: str = None) -> List[Dict]:
"""Find functions that take a specific argument name."""
with self.driver.session() as session:
if file_path:
query = """
MATCH (f:Function)-[:HAS_PARAMETER]->(p:Parameter)
WHERE p.name = $argument_name AND f.file_path = $file_path
RETURN f.name AS function_name, f.file_path AS file_path, f.line_number AS line_number,
f.docstring AS docstring, f.is_dependency AS is_dependency
ORDER BY f.is_dependency ASC, f.file_path, f.line_number
LIMIT 20
"""
result = session.run(query, argument_name=argument_name, file_path=file_path)
else:
query = """
MATCH (f:Function)-[:HAS_PARAMETER]->(p:Parameter)
WHERE p.name = $argument_name
RETURN f.name AS function_name, f.file_path AS file_path, f.line_number AS line_number,
f.docstring AS docstring, f.is_dependency AS is_dependency
ORDER BY f.is_dependency ASC, f.file_path, f.line_number
LIMIT 20
"""
result = session.run(query, argument_name=argument_name)
return [dict(record) for record in result]
def find_functions_by_decorator(self, decorator_name: str, file_path: str = None) -> List[Dict]:
"""Find functions that have a specific decorator applied to them."""
with self.driver.session() as session:
if file_path:
query = """
MATCH (f:Function)
WHERE f.file_path = $file_path AND $decorator_name IN f.decorators
RETURN f.name AS function_name, f.file_path AS file_path, f.line_number AS line_number,
f.docstring AS docstring, f.is_dependency AS is_dependency, f.decorators AS decorators
ORDER BY f.is_dependency ASC, f.file_path, f.line_number
LIMIT 20
"""
result = session.run(query, decorator_name=decorator_name, file_path=file_path)
else:
query = """
MATCH (f:Function)
WHERE $decorator_name IN f.decorators
RETURN f.name AS function_name, f.file_path AS file_path, f.line_number AS line_number,
f.docstring AS docstring, f.is_dependency AS is_dependency, f.decorators AS decorators
ORDER BY f.is_dependency ASC, f.file_path, f.line_number
LIMIT 20
"""
result = session.run(query, decorator_name=decorator_name)
return [dict(record) for record in result]
def who_calls_function(self, function_name: str, file_path: str = None) -> List[Dict]:
"""Find what functions call a specific function using CALLS relationships with improved matching"""
with self.driver.session() as session:
if file_path:
result = session.run("""
MATCH (caller:Function)-[call:CALLS]->(target:Function {name: $function_name, file_path: $file_path})
OPTIONAL MATCH (caller_file:File)-[:CONTAINS]->(caller)
RETURN DISTINCT
caller.name as caller_function,
caller.file_path as caller_file_path,
caller.line_number as caller_line_number,
caller.docstring as caller_docstring,
caller.is_dependency as caller_is_dependency,
call.line_number as call_line_number,
call.args as call_args,
call.full_call_name as full_call_name,
call.call_type as call_type,
target.file_path as target_file_path
ORDER BY caller.is_dependency ASC, caller.file_path, caller.line_number
LIMIT 20
""", function_name=function_name, file_path=file_path)
results = [dict(record) for record in result]
if not results:
result = session.run("""
MATCH (target:Function {name: $function_name})
MATCH (caller:Function)-[call:CALLS]->(target)
OPTIONAL MATCH (caller_file:File)-[:CONTAINS]->(caller)
RETURN DISTINCT
caller.name as caller_function,
caller.file_path as caller_file_path,
caller.line_number as caller_line_number,
caller.docstring as caller_docstring,
caller.is_dependency as caller_is_dependency,
call.line_number as call_line_number,
call.args as call_args,
call.full_call_name as full_call_name,
call.call_type as call_type,
target.file_path as target_file_path
ORDER BY caller.is_dependency ASC, caller.file_path, caller.line_number
LIMIT 20
""", function_name=function_name)
results = [dict(record) for record in result]
else:
result = session.run("""
MATCH (target:Function {name: $function_name})
MATCH (caller:Function)-[call:CALLS]->(target)
OPTIONAL MATCH (caller_file:File)-[:CONTAINS]->(caller)
RETURN DISTINCT
caller.name as caller_function,
caller.file_path as caller_file_path,
caller.line_number as caller_line_number,
caller.docstring as caller_docstring,
caller.is_dependency as caller_is_dependency,
call.line_number as call_line_number,
call.args as call_args,
call.full_call_name as full_call_name,
call.call_type as call_type,
target.file_path as target_file_path
ORDER BY caller.is_dependency ASC, caller.file_path, caller.line_number
LIMIT 20
""", function_name=function_name)
results = [dict(record) for record in result]
return results
def what_does_function_call(self, function_name: str, file_path: str = None) -> List[Dict]:
"""Find what functions a specific function calls using CALLS relationships"""
with self.driver.session() as session:
if file_path:
# Convert file_path to absolute path
absolute_file_path = str(Path(file_path).resolve())
result = session.run("""
MATCH (caller:Function {name: $function_name, file_path: $absolute_file_path})
MATCH (caller)-[call:CALLS]->(called:Function)
OPTIONAL MATCH (called_file:File)-[:CONTAINS]->(called)
RETURN DISTINCT
called.name as called_function,
called.file_path as called_file_path,
called.line_number as called_line_number,
called.docstring as called_docstring,
called.is_dependency as called_is_dependency,
call.line_number as call_line_number,
call.args as call_args,
call.full_call_name as full_call_name,
call.call_type as call_type
ORDER BY called.is_dependency ASC, called.name
LIMIT 20
""", function_name=function_name, absolute_file_path=absolute_file_path)
else:
result = session.run("""
MATCH (caller:Function {name: $function_name})
MATCH (caller)-[call:CALLS]->(called:Function)
OPTIONAL MATCH (called_file:File)-[:CONTAINS]->(called)
RETURN DISTINCT
called.name as called_function,
called.file_path as called_file_path,
called.line_number as called_line_number,
called.docstring as called_docstring,
called.is_dependency as called_is_dependency,
call.line_number as call_line_number,
call.args as call_args,
call.full_call_name as full_call_name,
call.call_type as call_type
ORDER BY called.is_dependency ASC, called.name
LIMIT 20
""", function_name=function_name)
return [dict(record) for record in result]
def who_imports_module(self, module_name: str) -> List[Dict]:
"""Find what files import a specific module using IMPORTS relationships"""
with self.driver.session() as session:
result = session.run("""
MATCH (file:File)-[imp:IMPORTS]->(module:Module)
WHERE module.name = $module_name OR module.full_import_name CONTAINS $module_name
OPTIONAL MATCH (repo:Repository)-[:CONTAINS]->(file)
WITH file, repo, COLLECT({
imported_module: module.name,
import_alias: module.alias,
full_import_name: module.full_import_name
}) AS imports
RETURN
file.name AS file_name,
file.path AS file_path,
file.relative_path AS file_relative_path,
file.is_dependency AS file_is_dependency,
repo.name AS repository_name,
imports
ORDER BY file.is_dependency ASC, file.path
LIMIT 20
""", module_name=module_name)
return [dict(record) for record in result]
def who_modifies_variable(self, variable_name: str) -> List[Dict]:
"""Find what functions contain or modify a specific variable"""
with self.driver.session() as session:
result = session.run("""
MATCH (var:Variable {name: $variable_name})
MATCH (container)-[:CONTAINS]->(var)
WHERE container:Function OR container:Class OR container:File
OPTIONAL MATCH (file:File)-[:CONTAINS]->(container)
RETURN DISTINCT
CASE
WHEN container:Function THEN container.name
WHEN container:Class THEN container.name
ELSE 'file_level'
END as container_name,
CASE
WHEN container:Function THEN 'function'
WHEN container:Class THEN 'class'
ELSE 'file'
END as container_type,
COALESCE(container.file_path, file.path) as file_path,
container.line_number as container_line_number,
var.line_number as variable_line_number,
var.value as variable_value,
var.context as variable_context,
COALESCE(container.is_dependency, file.is_dependency, false) as is_dependency
ORDER BY is_dependency ASC, file_path, variable_line_number
LIMIT 20
""", variable_name=variable_name)
return [dict(record) for record in result]
def find_class_hierarchy(self, class_name: str, file_path: str = None) -> Dict[str, Any]:
"""Find class inheritance relationships using INHERITS relationships"""
with self.driver.session() as session:
if file_path:
match_clause = "MATCH (child:Class {name: $class_name, file_path: $file_path})"
else:
match_clause = "MATCH (child:Class {name: $class_name})"
parents_query = f"""
{match_clause}
MATCH (child)-[:INHERITS]->(parent:Class)
OPTIONAL MATCH (parent_file:File)-[:CONTAINS]->(parent)
RETURN DISTINCT
parent.name as parent_class,
parent.file_path as parent_file_path,
parent.line_number as parent_line_number,
parent.docstring as parent_docstring,
parent.is_dependency as parent_is_dependency
ORDER BY parent.is_dependency ASC, parent.name
"""
parents_result = session.run(parents_query, class_name=class_name, file_path=file_path)
children_query = f"""
{match_clause}
MATCH (grandchild:Class)-[:INHERITS]->(child)
OPTIONAL MATCH (child_file:File)-[:CONTAINS]->(grandchild)
RETURN DISTINCT
grandchild.name as child_class,
grandchild.file_path as child_file_path,
grandchild.line_number as child_line_number,
grandchild.docstring as child_docstring,
grandchild.is_dependency as child_is_dependency
ORDER BY grandchild.is_dependency ASC, grandchild.name
"""
children_result = session.run(children_query, class_name=class_name, file_path=file_path)
methods_query = f"""
{match_clause}
MATCH (child)-[:CONTAINS]->(method:Function)
RETURN DISTINCT
method.name as method_name,
method.file_path as method_file_path,
method.line_number as method_line_number,
method.args as method_args,
method.docstring as method_docstring,
method.is_dependency as method_is_dependency
ORDER BY method.is_dependency ASC, method.line_number
"""
methods_result = session.run(methods_query, class_name=class_name, file_path=file_path)
return {
"class_name": class_name,
"parent_classes": [dict(record) for record in parents_result],
"child_classes": [dict(record) for record in children_result],
"methods": [dict(record) for record in methods_result]
}
def find_function_overrides(self, function_name: str) -> List[Dict]:
"""Find all implementations of a function across different classes"""
with self.driver.session() as session:
result = session.run("""
MATCH (class:Class)-[:CONTAINS]->(func:Function {name: $function_name})
OPTIONAL MATCH (file:File)-[:CONTAINS]->(class)
RETURN DISTINCT
class.name as class_name,
class.file_path as class_file_path,
func.name as function_name,
func.line_number as function_line_number,
func.args as function_args,
func.docstring as function_docstring,
func.is_dependency as is_dependency,
file.name as file_name
ORDER BY func.is_dependency ASC, class.name
LIMIT 20
""", function_name=function_name)
return [dict(record) for record in result]
def find_dead_code(self, exclude_decorated_with: List[str] = None) -> Dict[str, Any]:
"""Find potentially unused functions (not called by other functions in the project), optionally excluding those with specific decorators."""
if exclude_decorated_with is None:
exclude_decorated_with = []
with self.driver.session() as session:
result = session.run("""
MATCH (func:Function)
WHERE func.is_dependency = false
AND NOT func.name IN ['main', '__init__', '__main__', 'setup', 'run', '__new__', '__del__']
AND NOT func.name STARTS WITH '_test'
AND NOT func.name STARTS WITH 'test_'
AND ALL(decorator_name IN $exclude_decorated_with WHERE NOT decorator_name IN func.decorators)
WITH func
OPTIONAL MATCH (caller:Function)-[:CALLS]->(func)
WHERE caller.is_dependency = false
WITH func, count(caller) as caller_count
WHERE caller_count = 0
OPTIONAL MATCH (file:File)-[:CONTAINS]->(func)
RETURN
func.name as function_name,
func.file_path as file_path,
func.line_number as line_number,
func.docstring as docstring,
func.context as context,
file.name as file_name
ORDER BY func.file_path, func.line_number
LIMIT 50
""", exclude_decorated_with=exclude_decorated_with)
return {
"potentially_unused_functions": [dict(record) for record in result],
"note": "These functions might be unused, but could be entry points, callbacks, or called dynamically"
}
def find_all_callers(self, function_name: str, file_path: str = None) -> List[Dict]:
"""Find all direct and indirect callers of a specific function."""
with self.driver.session() as session:
if file_path:
# Find functions within the specified file_path that call the target function
query = """
MATCH (f:Function)-[:CALLS*]->(target:Function {name: $function_name, file_path: $file_path})
RETURN DISTINCT f.name AS caller_name, f.file_path AS caller_file_path, f.line_number AS caller_line_number, f.is_dependency AS caller_is_dependency
ORDER BY f.is_dependency ASC, f.file_path, f.line_number
LIMIT 50
"""
result = session.run(query, function_name=function_name, file_path=file_path)
else:
# If no file_path (context) is provided, find all callers of the function by name
query = """
MATCH (f:Function)-[:CALLS*]->(target:Function {name: $function_name})
RETURN DISTINCT f.name AS caller_name, f.file_path AS caller_file_path, f.line_number AS caller_line_number, f.is_dependency AS caller_is_dependency
ORDER BY f.is_dependency ASC, f.file_path, f.line_number
LIMIT 50
"""
result = session.run(query, function_name=function_name)
return [dict(record) for record in result]
def find_all_callees(self, function_name: str, file_path: str = None) -> List[Dict]:
"""Find all direct and indirect callees of a specific function."""
with self.driver.session() as session:
if file_path:
query = """
MATCH (caller:Function {name: $function_name, file_path: $file_path})
MATCH (caller)-[:CALLS*]->(f:Function)
RETURN DISTINCT f.name AS callee_name, f.file_path AS callee_file_path, f.line_number AS callee_line_number, f.is_dependency AS callee_is_dependency
ORDER BY f.is_dependency ASC, f.file_path, f.line_number
LIMIT 50
"""
result = session.run(query, function_name=function_name, file_path=file_path)
else:
query = """
MATCH (caller:Function {name: $function_name})
MATCH (caller)-[:CALLS*]->(f:Function)
RETURN DISTINCT f.name AS callee_name, f.file_path AS callee_file_path, f.line_number AS callee_line_number, f.is_dependency AS callee_is_dependency
ORDER BY f.is_dependency ASC, f.file_path, f.line_number
LIMIT 50
"""
result = session.run(query, function_name=function_name)
return [dict(record) for record in result]
def find_function_call_chain(self, start_function: str, end_function: str, max_depth: int = 5) -> List[Dict]:
"""Find call chains between two functions"""
with self.driver.session() as session:
result = session.run(f"""
MATCH path = shortestPath(
(start:Function {{name: $start_function}})-[:CALLS*1..{max_depth}]->(end:Function {{name: $end_function}})
)
WITH path, nodes(path) as func_nodes, relationships(path) as call_rels
RETURN
[node in func_nodes | {{
name: node.name,
file_path: node.file_path,
line_number: node.line_number,
is_dependency: node.is_dependency
}}] as function_chain,
[rel in call_rels | {{
call_line: rel.line_number,
args: rel.args,
full_call_name: rel.full_call_name
}}] as call_details,
length(path) as chain_length
ORDER BY chain_length ASC
LIMIT 10
""", start_function=start_function, end_function=end_function)
return [dict(record) for record in result]
def find_module_dependencies(self, module_name: str) -> Dict[str, Any]:
"""Find all dependencies and dependents of a module"""
with self.driver.session() as session:
importers_result = session.run("""
MATCH (file:File)-[:IMPORTS]->(module:Module {name: $module_name})
OPTIONAL MATCH (repo:Repository)-[:CONTAINS]->(file)
RETURN DISTINCT
file.name as file_name,
file.path as file_path,
file.is_dependency as file_is_dependency,
repo.name as repository_name
ORDER BY file.is_dependency ASC, file.path
LIMIT 20
""", module_name=module_name)
related_imports_result = session.run("""
MATCH (file:File)-[:IMPORTS]->(target_module:Module {name: $module_name})
MATCH (file)-[:IMPORTS]->(other_module:Module)
WHERE other_module <> target_module
RETURN DISTINCT
other_module.name as related_module,
other_module.alias as module_alias,
count(file) as usage_count
ORDER BY usage_count DESC
LIMIT 20
""", module_name=module_name)
return {
"module_name": module_name,
"imported_by_files": [dict(record) for record in importers_result],
"frequently_used_with": [dict(record) for record in related_imports_result]
}
def find_variable_usage_scope(self, variable_name: str) -> Dict[str, Any]:
"""Find the scope and usage patterns of a variable"""
with self.driver.session() as session:
variable_instances = session.run("""
MATCH (var:Variable {name: $variable_name})
OPTIONAL MATCH (container)-[:CONTAINS]->(var)
WHERE container:Function OR container:Class OR container:File
OPTIONAL MATCH (file:File)-[:CONTAINS]->(var)
RETURN DISTINCT
var.name as variable_name,
var.value as variable_value,
var.line_number as line_number,
var.context as context,
COALESCE(var.file_path, file.path) as file_path,
CASE
WHEN container:Function THEN 'function'
WHEN container:Class THEN 'class'
ELSE 'module'
END as scope_type,
CASE
WHEN container:Function THEN container.name
WHEN container:Class THEN container.name
ELSE 'module_level'
END as scope_name,
var.is_dependency as is_dependency
ORDER BY var.is_dependency ASC, file_path, line_number
""", variable_name=variable_name)
return {
"variable_name": variable_name,
"instances": [dict(record) for record in variable_instances]
}
def analyze_code_relationships(self, query_type: str, target: str, context: str = None) -> Dict[str, Any]:
"""Main method to analyze different types of code relationships with fixed return types"""
query_type = query_type.lower().strip()
try:
if query_type == "find_callers":
results = self.who_calls_function(target, context)
return {
"query_type": "find_callers", "target": target, "context": context, "results": results,
"summary": f"Found {len(results)} functions that call '{target}'"
}
elif query_type == "find_callees":
results = self.what_does_function_call(target, context)
return {
"query_type": "find_callees", "target": target, "context": context, "results": results,
"summary": f"Function '{target}' calls {len(results)} other functions"
}
elif query_type == "find_importers":
results = self.who_imports_module(target)
return {
"query_type": "find_importers", "target": target, "results": results,
"summary": f"Found {len(results)} files that import '{target}'"
}
elif query_type == "find_functions_by_argument":
results = self.find_functions_by_argument(target, context)
return {
"query_type": "find_functions_by_argument", "target": target, "context": context, "results": results,
"summary": f"Found {len(results)} functions that take '{target}' as an argument"
}
elif query_type == "find_functions_by_decorator":
results = self.find_functions_by_decorator(target, context)
return {
"query_type": "find_functions_by_decorator", "target": target, "context": context, "results": results,
"summary": f"Found {len(results)} functions decorated with '{target}'"
}
elif query_type in ["who_modifies", "modifies", "mutations", "changes", "variable_usage"]:
results = self.who_modifies_variable(target)
return {
"query_type": "who_modifies", "target": target, "results": results,
"summary": f"Found {len(results)} containers that hold variable '{target}'"
}
elif query_type in ["class_hierarchy", "inheritance", "extends"]:
results = self.find_class_hierarchy(target, context)
return {
"query_type": "class_hierarchy", "target": target, "results": results,
"summary": f"Class '{target}' has {len(results['parent_classes'])} parents, {len(results['child_classes'])} children, and {len(results['methods'])} methods"
}
elif query_type in ["overrides", "implementations", "polymorphism"]:
results = self.find_function_overrides(target)
return {
"query_type": "overrides", "target": target, "results": results,
"summary": f"Found {len(results)} implementations of function '{target}'"
}
elif query_type in ["dead_code", "unused", "unreachable"]:
results = self.find_dead_code()
return {
"query_type": "dead_code", "results": results,
"summary": f"Found {len(results['potentially_unused_functions'])} potentially unused functions"
}
elif query_type == "find_complexity":
limit = int(context) if context and context.isdigit() else 10
results = self.find_most_complex_functions(limit)
return {
"query_type": "find_complexity", "limit": limit, "results": results,
"summary": f"Found the top {len(results)} most complex functions"
}
elif query_type == "find_all_callers":
results = self.find_all_callers(target, context)
return {
"query_type": "find_all_callers", "target": target, "context": context, "results": results,
"summary": f"Found {len(results)} direct and indirect callers of '{target}'"
}
elif query_type == "find_all_callees":
results = self.find_all_callees(target, context)
return {
"query_type": "find_all_callees", "target": target, "context": context, "results": results,
"summary": f"Found {len(results)} direct and indirect callees of '{target}'"
}
elif query_type in ["call_chain", "path", "chain"]:
if '->' in target:
start_func, end_func = target.split('->', 1)
# max_depth can be passed as context, default to 5 if not provided or invalid
max_depth = int(context) if context and context.isdigit() else 5
results = self.find_function_call_chain(start_func.strip(), end_func.strip(), max_depth)
return {
"query_type": "call_chain", "target": target, "results": results,
"summary": f"Found {len(results)} call chains from '{start_func.strip()}' to '{end_func.strip()}' (max depth: {max_depth})"
}
else:
return {
"error": "For call_chain queries, use format 'start_function->end_function'",
"example": "main->process_data"
}
elif query_type in ["module_deps", "module_dependencies", "module_usage"]:
results = self.find_module_dependencies(target)
return {
"query_type": "module_dependencies", "target": target, "results": results,
"summary": f"Module '{target}' is imported by {len(results['imported_by_files'])} files"
}
elif query_type in ["variable_scope", "var_scope", "variable_usage_scope"]:
results = self.find_variable_usage_scope(target)
return {
"query_type": "variable_scope", "target": target, "results": results,
"summary": f"Variable '{target}' has {len(results['instances'])} instances across different scopes"
}
else:
return {
"error": f"Unknown query type: {query_type}",
"supported_types": [
"find_callers", "find_callees", "find_importers", "who_modifies",
"class_hierarchy", "overrides", "dead_code", "call_chain",
"module_deps", "variable_scope", "find_complexity"
]
}
except Exception as e:
return {
"error": f"Error executing relationship query: {str(e)}",
"query_type": query_type,
"target": target
}
def get_cyclomatic_complexity(self, function_name: str, file_path: str = None) -> List[Dict]:
"""Get the cyclomatic complexity of a function."""
with self.driver.session() as session:
if file_path:
# Use ENDS WITH for flexible path matching
query = """
MATCH (f:Function {name: $function_name})
WHERE f.file_path ENDS WITH $file_path
RETURN f.name as function_name, f.file_path as file_path, f.cyclomatic_complexity as complexity
"""
result = session.run(query, function_name=function_name, file_path=file_path)
else:
query = """
MATCH (f:Function {name: $function_name})
RETURN f.name as function_name, f.file_path as file_path, f.cyclomatic_complexity as complexity
"""
result = session.run(query, function_name=function_name)
return [dict(record) for record in result]
def find_most_complex_functions(self, limit: int = 10) -> List[Dict]:
"""Find the most complex functions based on cyclomatic complexity."""
with self.driver.session() as session:
query = """
MATCH (f:Function)
WHERE f.cyclomatic_complexity IS NOT NULL AND f.is_dependency = false
RETURN f.name as function_name, f.file_path as file_path, f.cyclomatic_complexity as complexity, f.line_number as line_number
ORDER BY f.cyclomatic_complexity DESC
LIMIT $limit
"""
result = session.run(query, limit=limit)
return [dict(record) for record in result]
def list_indexed_repositories(self) -> List[Dict]:
"""List all indexed repositories."""
with self.driver.session() as session:
result = session.run("""
MATCH (r:Repository)
RETURN r.name as name, r.path as path, r.is_dependency as is_dependency
ORDER BY r.name
""")
return [dict(record) for record in result]