Ausgabe der neuen DB Einträge

venv/lib/python3.9/site-packages/stone/frontend/frontend.py

@@ -0,0 +1,55 @@
+import logging
+
+from .exception import InvalidSpec
+from .parser import (
+    ParserFactory,
+)
+from .ir_generator import IRGenerator
+
+logger = logging.getLogger('stone.frontend.frontend')
+
+
+# FIXME: Version should not have a default.
+def specs_to_ir(specs, version='0.1b1', debug=False, route_whitelist_filter=None):
+    """
+    Converts a collection of Stone specifications into the intermediate
+    representation used by Stone backends.
+
+    The process is: Lexer -> Parser -> Semantic Analyzer -> IR Generator.
+
+    The code is structured as:
+        1. Parser (Lexer embedded within)
+        2. IR Generator (Semantic Analyzer embedded within)
+
+    :type specs: List[Tuple[path: str, text: str]]
+    :param specs: `path` is never accessed and is only used to report the
+        location of a bad spec to the user. `spec` is the text contents of
+        a spec (.stone) file.
+
+    :raises: InvalidSpec
+
+    :returns: stone.ir.Api
+    """
+
+    parser_factory = ParserFactory(debug=debug)
+    partial_asts = []
+
+    for path, text in specs:
+        logger.info('Parsing spec %s', path)
+        parser = parser_factory.get_parser()
+        if debug:
+            parser.test_lexing(text)
+
+        partial_ast = parser.parse(text, path)
+
+        if parser.got_errors_parsing():
+            # TODO(kelkabany): Show more than one error at a time.
+            msg, lineno, path = parser.get_errors()[0]
+            raise InvalidSpec(msg, lineno, path)
+        elif len(partial_ast) == 0:
+            logger.info('Empty spec: %s', path)
+        else:
+            partial_asts.append(partial_ast)
+
+    return IRGenerator(partial_asts, version, debug=debug,
+                       route_whitelist_filter=route_whitelist_filter).generate_IR()