OptionOverrideProxy: Make it immutable to avoid copies

It is always used as an immutable view so there is no point in doing
copies. However, mypy insist it must implement the same APIs as
Dict[OptionKey, UserOption[Any]] so keep faking it.

1 files changed, 16 insertions, 16 deletions

diff --git a/mesonbuild/compilers/c.py b/mesonbuild/compilers/c.py
index 610473d..513a8e2 100644
--- a/mesonbuild/compilers/c.py
+++ b/mesonbuild/compilers/c.py
@@ -39,7 +39,7 @@ from .compilers import (
 )
 
 if T.TYPE_CHECKING:
-    from ..coredata import KeyedOptionDictType
+    from ..coredata import MutableKeyedOptionDictType, KeyedOptionDictType
     from ..dependencies import Dependency
     from ..envconfig import MachineInfo
     from ..environment import Environment
@@ -96,7 +96,7 @@ class CCompiler(CLikeCompiler, Compiler):
         return self.compiles(t.format(**fargs), env, extra_args=extra_args,
                              dependencies=dependencies)
 
-    def get_options(self) -> 'KeyedOptionDictType':
+    def get_options(self) -> 'MutableKeyedOptionDictType':
         opts = super().get_options()
         opts.update({
             OptionKey('std', machine=self.for_machine, lang=self.language): coredata.UserComboOption(
@@ -120,7 +120,7 @@ class _ClangCStds(CompilerMixinBase):
     _C18_VERSION = '>=8.0.0'
     _C2X_VERSION = '>=9.0.0'
 
-    def get_options(self) -> 'KeyedOptionDictType':
+    def get_options(self) -> 'MutableKeyedOptionDictType':
         opts = super().get_options()
         c_stds = ['c89', 'c99', 'c11']
         g_stds = ['gnu89', 'gnu99', 'gnu11']
@@ -154,7 +154,7 @@ class ClangCCompiler(_ClangCStds, ClangCompiler, CCompiler):
                           '2': default_warn_args + ['-Wextra'],
                           '3': default_warn_args + ['-Wextra', '-Wpedantic']}
 
-    def get_options(self) -> 'KeyedOptionDictType':
+    def get_options(self) -> 'MutableKeyedOptionDictType':
         opts = super().get_options()
         if self.info.is_windows() or self.info.is_cygwin():
             opts.update({
@@ -235,7 +235,7 @@ class ArmclangCCompiler(ArmclangCompiler, CCompiler):
                           '2': default_warn_args + ['-Wextra'],
                           '3': default_warn_args + ['-Wextra', '-Wpedantic']}
 
-    def get_options(self) -> 'KeyedOptionDictType':
+    def get_options(self) -> 'MutableKeyedOptionDictType':
         opts = CCompiler.get_options(self)
         key = OptionKey('std', machine=self.for_machine, lang=self.language)
         opts[key].choices = ['none', 'c90', 'c99', 'c11', 'gnu90', 'gnu99', 'gnu11']
@@ -273,7 +273,7 @@ class GnuCCompiler(GnuCompiler, CCompiler):
                           '2': default_warn_args + ['-Wextra'],
                           '3': default_warn_args + ['-Wextra', '-Wpedantic']}
 
-    def get_options(self) -> 'KeyedOptionDictType':
+    def get_options(self) -> 'MutableKeyedOptionDictType':
         opts = CCompiler.get_options(self)
         c_stds = ['c89', 'c99', 'c11']
         g_stds = ['gnu89', 'gnu99', 'gnu11']
@@ -348,7 +348,7 @@ class ElbrusCCompiler(ElbrusCompiler, CCompiler):
                            info, exe_wrapper, linker=linker, full_version=full_version)
         ElbrusCompiler.__init__(self)
 
-    def get_options(self) -> 'KeyedOptionDictType':
+    def get_options(self) -> 'MutableKeyedOptionDictType':
         opts = CCompiler.get_options(self)
         stds = ['c89', 'c9x', 'c99', 'gnu89', 'gnu9x', 'gnu99']
         stds += ['iso9899:1990', 'iso9899:199409', 'iso9899:1999']
@@ -391,7 +391,7 @@ class IntelCCompiler(IntelGnuLikeCompiler, CCompiler):
                           '2': default_warn_args + ['-Wextra'],
                           '3': default_warn_args + ['-Wextra']}
 
-    def get_options(self) -> 'KeyedOptionDictType':
+    def get_options(self) -> 'MutableKeyedOptionDictType':
         opts = CCompiler.get_options(self)
         c_stds = ['c89', 'c99']
         g_stds = ['gnu89', 'gnu99']
@@ -412,7 +412,7 @@ class VisualStudioLikeCCompilerMixin(CompilerMixinBase):
 
     """Shared methods that apply to MSVC-like C compilers."""
 
-    def get_options(self) -> 'KeyedOptionDictType':
+    def get_options(self) -> 'MutableKeyedOptionDictType':
         opts = super().get_options()
         opts.update({
             OptionKey('winlibs', machine=self.for_machine, lang=self.language): coredata.UserArrayOption(
@@ -447,7 +447,7 @@ class VisualStudioCCompiler(MSVCCompiler, VisualStudioLikeCCompilerMixin, CCompi
                            full_version=full_version)
         MSVCCompiler.__init__(self, target)
 
-    def get_options(self) -> 'KeyedOptionDictType':
+    def get_options(self) -> 'MutableKeyedOptionDictType':
         opts = super().get_options()
         c_stds = ['c89', 'c99']
         # Need to have these to be compatible with projects
@@ -513,7 +513,7 @@ class IntelClCCompiler(IntelVisualStudioLikeCompiler, VisualStudioLikeCCompilerM
                            full_version=full_version)
         IntelVisualStudioLikeCompiler.__init__(self, target)
 
-    def get_options(self) -> 'KeyedOptionDictType':
+    def get_options(self) -> 'MutableKeyedOptionDictType':
         opts = super().get_options()
         key = OptionKey('std', machine=self.for_machine, lang=self.language)
         opts[key].choices = ['none', 'c89', 'c99', 'c11']
@@ -541,7 +541,7 @@ class ArmCCompiler(ArmCompiler, CCompiler):
                            full_version=full_version)
         ArmCompiler.__init__(self)
 
-    def get_options(self) -> 'KeyedOptionDictType':
+    def get_options(self) -> 'MutableKeyedOptionDictType':
         opts = CCompiler.get_options(self)
         key = OptionKey('std', machine=self.for_machine, lang=self.language)
         opts[key].choices = ['none', 'c89', 'c99', 'c11']
@@ -570,7 +570,7 @@ class CcrxCCompiler(CcrxCompiler, CCompiler):
     def get_always_args(self) -> T.List[str]:
         return ['-nologo']
 
-    def get_options(self) -> 'KeyedOptionDictType':
+    def get_options(self) -> 'MutableKeyedOptionDictType':
         opts = CCompiler.get_options(self)
         key = OptionKey('std', machine=self.for_machine, lang=self.language)
         opts[key].choices = ['none', 'c89', 'c99']
@@ -617,7 +617,7 @@ class Xc16CCompiler(Xc16Compiler, CCompiler):
                            info, exe_wrapper, linker=linker, full_version=full_version)
         Xc16Compiler.__init__(self)
 
-    def get_options(self) -> 'KeyedOptionDictType':
+    def get_options(self) -> 'MutableKeyedOptionDictType':
         opts = CCompiler.get_options(self)
         key = OptionKey('std', machine=self.for_machine, lang=self.language)
         opts[key].choices = ['none', 'c89', 'c99', 'gnu89', 'gnu99']
@@ -662,7 +662,7 @@ class CompCertCCompiler(CompCertCompiler, CCompiler):
                            info, exe_wrapper, linker=linker, full_version=full_version)
         CompCertCompiler.__init__(self)
 
-    def get_options(self) -> 'KeyedOptionDictType':
+    def get_options(self) -> 'MutableKeyedOptionDictType':
         opts = CCompiler.get_options(self)
         key = OptionKey('std', machine=self.for_machine, lang=self.language)
         opts[key].choices = ['none', 'c89', 'c99']
@@ -699,7 +699,7 @@ class TICCompiler(TICompiler, CCompiler):
     def get_always_args(self) -> T.List[str]:
         return []
 
-    def get_options(self) -> 'KeyedOptionDictType':
+    def get_options(self) -> 'MutableKeyedOptionDictType':
         opts = CCompiler.get_options(self)
         key = OptionKey('std', machine=self.for_machine, lang=self.language)
         opts[key].choices = ['none', 'c89', 'c99', 'c11']