interpreter: move some of CustomTarget's args to type_checking

As there are so many wrappers that need these as well

mesonbuild/interpreter/interpreter.py

@@ -51,11 +51,17 @@ from .interpreterobjects import (
 )
 from .type_checking import (
     COMMAND_KW,
+    CT_BUILD_BY_DEFAULT,
+    CT_INPUT_KW,
+    CT_INSTALL_DIR_KW,
+    CT_OUTPUT_KW,
     DEPENDS_KW,
     DEPEND_FILES_KW,
     DEPFILE_KW,
     ENV_KW,
+    INSTALL_KW,
     INSTALL_MODE_KW,
+    CT_INSTALL_TAG_KW,
     LANGUAGE_KW,
     NATIVE_KW, OVERRIDE_OPTIONS_KW,
     REQUIRED_KW,
@@ -90,18 +96,6 @@ if T.TYPE_CHECKING:
                             build.GeneratedList]
 
 
-def _output_validator(outputs: T.List[str]) -> T.Optional[str]:
-    for i in outputs:
-        if i == '':
-            return 'Output must not be empty.'
-        elif i.strip() == '':
-            return 'Output must not consist only of whitespace.'
-        elif has_path_sep(i):
-            return f'Output {i!r} must not contain a path segment.'
-
-    return None
-
-
 def stringifyUserArguments(args, quote=False):
     if isinstance(args, list):
         return '[%s]' % ', '.join([stringifyUserArguments(x, True) for x in args])
@@ -1645,35 +1639,23 @@ external dependencies (including libraries) must go to "dependencies".''')
     @typed_kwargs(
         'custom_target',
         COMMAND_KW,
-        DEPEND_FILES_KW,
+        CT_BUILD_BY_DEFAULT,
+        CT_INPUT_KW,
+        CT_INSTALL_DIR_KW,
+        CT_INSTALL_TAG_KW,
+        CT_OUTPUT_KW,
         DEPENDS_KW,
+        DEPEND_FILES_KW,
         DEPFILE_KW,
         ENV_KW.evolve(since='0.57.0'),
+        INSTALL_KW,
         INSTALL_MODE_KW.evolve(since='0.47.0'),
         OVERRIDE_OPTIONS_KW,
-        KwargInfo('build_by_default', (bool, type(None)), since='0.40.0'),
         KwargInfo('build_always', (bool, type(None)), deprecated='0.47.0'),
         KwargInfo('build_always_stale', (bool, type(None)), since='0.47.0'),
         KwargInfo('feed', bool, default=False, since='0.59.0'),
         KwargInfo('capture', bool, default=False),
         KwargInfo('console', bool, default=False, since='0.48.0'),
-        KwargInfo('install', bool, default=False),
-        KwargInfo('install_dir', ContainerTypeInfo(list, (str, bool)), listify=True, default=[]),
-        KwargInfo(
-            'output',
-            ContainerTypeInfo(list, str, allow_empty=False),
-            listify=True,
-            required=True,
-            default=[],
-            validator=_output_validator,
-        ),
-        KwargInfo(
-            'input',
-            ContainerTypeInfo(list, (str, mesonlib.File, ExternalProgram, build.BuildTarget, build.CustomTarget, build.CustomTargetIndex, build.ExtractedObjects, build.GeneratedList)),
-            listify=True,
-            default=[],
-        ),
-        KwargInfo('install_tag', ContainerTypeInfo(list, (str, bool)), listify=True, default=[], since='0.60.0'),
     )
     def func_custom_target(self, node: mparser.FunctionNode, args: T.Tuple[str],
                            kwargs: 'kwargs.CustomTarget') -> build.CustomTarget:

mesonbuild/interpreter/type_checking.py

@@ -6,7 +6,7 @@
 import typing as T
 
 from .. import compilers
-from ..build import EnvironmentVariables, CustomTarget, BuildTarget, CustomTargetIndex
+from ..build import EnvironmentVariables, CustomTarget, BuildTarget, CustomTargetIndex, ExtractedObjects, GeneratedList
 from ..coredata import UserFeatureOption
 from ..interpreterbase import TYPE_var
 from ..interpreterbase.decorators import KwargInfo, ContainerTypeInfo
@@ -233,3 +233,50 @@ OVERRIDE_OPTIONS_KW: KwargInfo[T.List[str]] = KwargInfo(
     validator=_env_validator,
     convertor=_override_options_convertor,
 )
+
+
+def _output_validator(outputs: T.List[str]) -> T.Optional[str]:
+    for i in outputs:
+        if i == '':
+            return 'Output must not be empty.'
+        elif i.strip() == '':
+            return 'Output must not consist only of whitespace.'
+        elif has_path_sep(i):
+            return f'Output {i!r} must not contain a path segment.'
+
+    return None
+
+CT_OUTPUT_KW: KwargInfo[T.List[str]] = KwargInfo(
+    'output',
+    ContainerTypeInfo(list, str, allow_empty=False),
+    listify=True,
+    required=True,
+    default=[],
+    validator=_output_validator,
+)
+
+CT_INPUT_KW: KwargInfo[T.List[T.Union[str, File, ExternalProgram, BuildTarget, CustomTarget, CustomTargetIndex, ExtractedObjects, GeneratedList]]] = KwargInfo(
+    'input',
+    ContainerTypeInfo(list, (str, File, ExternalProgram, BuildTarget, CustomTarget, CustomTargetIndex, ExtractedObjects, GeneratedList)),
+    listify=True,
+    default=[],
+)
+
+CT_INSTALL_TAG_KW: KwargInfo[T.List[T.Union[str, bool]]] = KwargInfo(
+    'install_tag',
+    ContainerTypeInfo(list, (str, bool)),
+    listify=True,
+    default=[],
+    since='0.60.0',
+)
+
+INSTALL_KW = KwargInfo('install', bool, default=False)
+
+CT_INSTALL_DIR_KW: KwargInfo[T.List[T.Union[str, bool]]] = KwargInfo(
+    'install_dir',
+    ContainerTypeInfo(list, (str, bool)),
+    listify=True,
+    default=[],
+)
+
+CT_BUILD_BY_DEFAULT: KwargInfo[T.Optional[bool]] = KwargInfo('build_by_default', (bool, type(None)), since='0.40.0')