diff --git a/ast_checker/__init__.py b/ast_checker/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/ast_checker/mappings/__init__.py b/ast_checker/mappings/__init__.py
new file mode 100644
index 0000000..9ed8b9e
--- /dev/null
+++ b/ast_checker/mappings/__init__.py
@@ -0,0 +1,37 @@
+from tree_sitter import Language
+
+from .c import C_MAPPING
+from .python import PYTHON_MAPPING
+
+_MAPPINGS = {
+    "Python3": PYTHON_MAPPING,
+    "C": C_MAPPING,
+}
+
+_LANGUAGES: dict[str, Language] = {}
+
+
+def _init_languages():
+    try:
+        import tree_sitter_python as tspython
+
+        _LANGUAGES["Python3"] = Language(tspython.language())
+    except ImportError:
+        pass
+    try:
+        import tree_sitter_c as tsc
+
+        _LANGUAGES["C"] = Language(tsc.language())
+    except ImportError:
+        pass
+
+
+_init_languages()
+
+
+def get_mapping(language: str) -> dict:
+    return _MAPPINGS.get(language, {})
+
+
+def get_language(language: str) -> Language | None:
+    return _LANGUAGES.get(language)
diff --git a/ast_checker/mappings/c.py b/ast_checker/mappings/c.py
new file mode 100644
index 0000000..d23c3a3
--- /dev/null
+++ b/ast_checker/mappings/c.py
@@ -0,0 +1,39 @@
+C_MAPPING = {
+    "for_loop": "for_statement",
+    "while_loop": "while_statement",
+    "do_while": "do_statement",
+    "if_statement": "if_statement",
+    "else_clause": "else_clause",
+    "break": "break_statement",
+    "continue": "continue_statement",
+    "function_definition": "function_definition",
+    "return": "return_statement",
+    "switch_statement": "switch_statement",
+    "case_statement": "case_statement",
+    "assignment": "assignment_expression",
+    "struct": "struct_specifier",
+    "include": "preproc_include",
+    "+": "+",
+    "-": "-",
+    "*": "*",
+    "/": "/",
+    "%": "%",
+    "+=": "+=",
+    "-=": "-=",
+    "*=": "*=",
+    "/=": "/=",
+    "%=": "%=",
+    "==": "==",
+    "!=": "!=",
+    ">": ">",
+    ">=": ">=",
+    "<": "<",
+    "<=": "<=",
+    "and": "&&",
+    "or": "||",
+    "not": "!",
+    "&": "&",
+    "|": "|",
+    "++": "++",
+    "--": "--",
+}
diff --git a/ast_checker/mappings/python.py b/ast_checker/mappings/python.py
new file mode 100644
index 0000000..6838d52
--- /dev/null
+++ b/ast_checker/mappings/python.py
@@ -0,0 +1,45 @@
+PYTHON_MAPPING = {
+    "for_loop": "for_statement",
+    "while_loop": "while_statement",
+    "if_statement": "if_statement",
+    "else_clause": "else_clause",
+    "elif_clause": "elif_clause",
+    "break": "break_statement",
+    "continue": "continue_statement",
+    "function_definition": "function_definition",
+    "return": "return_statement",
+    "try_except": "try_statement",
+    "with_statement": "with_statement",
+    "list_comprehension": "list_comprehension",
+    "list_literal": "list",
+    "dict_literal": "dictionary",
+    "set_literal": "set",
+    "f_string": "format_string",
+    "import": "import_statement",
+    "import_from": "import_from_statement",
+    "assignment": "assignment",
+    "class_definition": "class_definition",
+    "+": "+",
+    "-": "-",
+    "*": "*",
+    "/": "/",
+    "//": "//",
+    "%": "%",
+    "**": "**",
+    "+=": "+=",
+    "-=": "-=",
+    "*=": "*=",
+    "/=": "/=",
+    "%=": "%=",
+    "==": "==",
+    "!=": "!=",
+    ">": ">",
+    ">=": ">=",
+    "<": "<",
+    "<=": "<=",
+    "and": "and",
+    "or": "or",
+    "not": "not",
+    "&": "&",
+    "|": "|",
+}