Refactoring and removal of dead code

2 files changed, 5 insertions, 27 deletions

diff --git a/mesonbuild/ast/interpreter.py b/mesonbuild/ast/interpreter.py
index cd8156a3f..271ad7d6d 100644
--- a/mesonbuild/ast/interpreter.py
+++ b/mesonbuild/ast/interpreter.py
@@ -13,7 +13,6 @@ from .. import mparser, mesonlib
 from .. import environment
 
 from ..interpreterbase import (
-    MesonInterpreterObject,
     InterpreterBase,
     InvalidArguments,
     BreakRequest,
@@ -60,27 +59,6 @@ if T.TYPE_CHECKING:
         UMinusNode,
     )
 
-class DontCareObject(MesonInterpreterObject):
-    pass
-
-class MockExecutable(MesonInterpreterObject):
-    pass
-
-class MockStaticLibrary(MesonInterpreterObject):
-    pass
-
-class MockSharedLibrary(MesonInterpreterObject):
-    pass
-
-class MockCustomTarget(MesonInterpreterObject):
-    pass
-
-class MockRunTarget(MesonInterpreterObject):
-    pass
-
-ADD_SOURCE = 0
-REMOVE_SOURCE = 1
-
 _T = T.TypeVar('_T')
 _V = T.TypeVar('_V')
 
@@ -232,9 +210,6 @@ class AstInterpreter(InterpreterBase):
     def evaluate_indexing(self, node: IndexNode) -> int:
         return 0
 
-    def unknown_function_called(self, func_name: str) -> None:
-        pass
-
     def reduce_arguments(
                 self,
                 args: mparser.ArgumentNode,
diff --git a/mesonbuild/ast/introspection.py b/mesonbuild/ast/introspection.py
index f2a0c5ae0..2f1572f38 100644
--- a/mesonbuild/ast/introspection.py
+++ b/mesonbuild/ast/introspection.py
@@ -43,8 +43,11 @@ class IntrospectionHelper:
         return NotImplemented
 
 class IntrospectionInterpreter(AstInterpreter):
-    # Interpreter to detect the options without a build directory
-    # Most of the code is stolen from interpreter.Interpreter
+    # If you run `meson setup ...` the `Interpreter`-class walks over the AST.
+    # If you run `meson rewrite ...` and `meson introspect meson.build ...`,
+    # the `AstInterpreter`-class walks over the AST.
+    # Works without a build directory.
+    # Most of the code is stolen from interpreter.Interpreter .
     def __init__(self,
                  source_root: str,
                  subdir: str,