compilers/cs: Add type annotations

3 files changed, 40 insertions, 44 deletions

diff --git a/mesonbuild/compilers/compilers.py b/mesonbuild/compilers/compilers.py
index a66ecdc..6f15e48 100644
--- a/mesonbuild/compilers/compilers.py
+++ b/mesonbuild/compilers/compilers.py
@@ -1065,6 +1065,14 @@ class Compiler(metaclass=abc.ABCMeta):
     def get_dependency_gen_args(self, outtarget: str, outfile: str) -> T.List[str]:
         return []
 
+    def get_std_exe_link_args(self) -> T.List[str]:
+        # TODO: is this a linker property?
+        return []
+
+    def get_include_args(self, path: str, is_system: bool) -> T.List[str]:
+        return []
+
+
 
 def get_args_from_envvars(lang: str,
                           for_machine: MachineChoice,
diff --git a/mesonbuild/compilers/cs.py b/mesonbuild/compilers/cs.py
index 01d2adb..ba65d07 100644
--- a/mesonbuild/compilers/cs.py
+++ b/mesonbuild/compilers/cs.py
@@ -13,6 +13,7 @@
 # limitations under the License.
 
 import os.path, subprocess
+import textwrap
 import typing as T
 
 from ..mesonlib import EnvironmentException
@@ -22,6 +23,7 @@ from .mixins.islinker import BasicLinkerIsCompilerMixin
 
 if T.TYPE_CHECKING:
     from ..envconfig import MachineInfo
+    from ..environment import Environment
 
 cs_optimization_args = {'0': [],
                         'g': [],
@@ -29,57 +31,43 @@ cs_optimization_args = {'0': [],
                         '2': ['-optimize+'],
                         '3': ['-optimize+'],
                         's': ['-optimize+'],
-                        }
+                        }  # type: T.Dict[str, T.List[str]]
 
 
 class CsCompiler(BasicLinkerIsCompilerMixin, Compiler):
 
     language = 'cs'
 
-    def __init__(self, exelist, version, for_machine: MachineChoice,
-                 info: 'MachineInfo', comp_id, runner=None):
+    def __init__(self, exelist: T.List[str], version: str, for_machine: MachineChoice,
+                 info: 'MachineInfo', comp_id: str, runner: T.Optional[str] = None):
         super().__init__(exelist, version, for_machine, info)
         self.id = comp_id
         self.runner = runner
 
     @classmethod
-    def get_display_language(cls):
+    def get_display_language(cls) -> str:
         return 'C sharp'
 
-    def get_always_args(self):
+    def get_always_args(self) -> T.List[str]:
         return ['/nologo']
 
-    def get_linker_always_args(self):
+    def get_linker_always_args(self) -> T.List[str]:
         return ['/nologo']
 
-    def get_output_args(self, fname):
+    def get_output_args(self, fname: str) -> T.List[str]:
         return ['-out:' + fname]
 
-    def get_link_args(self, fname):
+    def get_link_args(self, fname: str) -> T.List[str]:
         return ['-r:' + fname]
 
-    def get_werror_args(self):
+    def get_werror_args(self) -> T.List[str]:
         return ['-warnaserror']
 
-    def get_linker_exelist(self):
-        return self.exelist[:]
-
-    def get_compile_only_args(self):
-        return []
-
-    def get_coverage_args(self):
-        return []
-
-    def get_std_exe_link_args(self):
-        return []
-
-    def get_include_args(self, path):
-        return []
-
-    def get_pic_args(self):
+    def get_pic_args(self) -> T.List[str]:
         return []
 
-    def compute_parameters_with_absolute_paths(self, parameter_list, build_dir):
+    def compute_parameters_with_absolute_paths(self, parameter_list: T.List[str],
+                                               build_dir: str) -> T.List[str]:
         for idx, i in enumerate(parameter_list):
             if i[:2] == '-L':
                 parameter_list[idx] = i[:2] + os.path.normpath(os.path.join(build_dir, i[2:]))
@@ -88,26 +76,27 @@ class CsCompiler(BasicLinkerIsCompilerMixin, Compiler):
 
         return parameter_list
 
-    def get_pch_use_args(self, pch_dir, header):
+    def get_pch_use_args(self, pch_dir: str, header: str) -> T.List[str]:
         return []
 
-    def get_pch_name(self, header_name):
+    def get_pch_name(self, header_name: str) -> str:
         return ''
 
-    def sanity_check(self, work_dir, environment):
+    def sanity_check(self, work_dir: str, environment: 'Environment') -> None:
         src = 'sanity.cs'
         obj = 'sanity.exe'
         source_name = os.path.join(work_dir, src)
         with open(source_name, 'w') as ofile:
-            ofile.write('''public class Sanity {
-    static public void Main () {
-    }
-}
-''')
+            ofile.write(textwrap.dedent('''
+                public class Sanity {
+                    static public void Main () {
+                    }
+                }
+                '''))
         pc = subprocess.Popen(self.exelist + self.get_always_args() + [src], cwd=work_dir)
         pc.wait()
         if pc.returncode != 0:
-            raise EnvironmentException('Mono compiler %s can not compile programs.' % self.name_string())
+            raise EnvironmentException('C# compiler %s can not compile programs.' % self.name_string())
         if self.runner:
             cmdlist = [self.runner, obj]
         else:
@@ -117,32 +106,32 @@ class CsCompiler(BasicLinkerIsCompilerMixin, Compiler):
         if pe.returncode != 0:
             raise EnvironmentException('Executables created by Mono compiler %s are not runnable.' % self.name_string())
 
-    def needs_static_linker(self):
+    def needs_static_linker(self) -> bool:
         return False
 
-    def get_buildtype_args(self, buildtype):
+    def get_buildtype_args(self, buildtype: str) -> T.List[str]:
         return mono_buildtype_args[buildtype]
 
-    def get_debug_args(self, is_debug):
+    def get_debug_args(self, is_debug: bool) -> T.List[str]:
         return ['-debug'] if is_debug else []
 
-    def get_optimization_args(self, optimization_level):
+    def get_optimization_args(self, optimization_level: str) -> T.List[str]:
         return cs_optimization_args[optimization_level]
 
 
 class MonoCompiler(CsCompiler):
-    def __init__(self, exelist, version, for_machine: MachineChoice,
+    def __init__(self, exelist: T.List[str], version: str, for_machine: MachineChoice,
                  info: 'MachineInfo'):
         super().__init__(exelist, version, for_machine, info, 'mono',
                          runner='mono')
 
 
 class VisualStudioCsCompiler(CsCompiler):
-    def __init__(self, exelist, version, for_machine: MachineChoice,
+    def __init__(self, exelist: T.List[str], version: str, for_machine: MachineChoice,
                  info: 'MachineInfo'):
         super().__init__(exelist, version, for_machine, info, 'csc')
 
-    def get_buildtype_args(self, buildtype):
+    def get_buildtype_args(self, buildtype: str) -> T.List[str]:
         res = mono_buildtype_args[buildtype]
         if not self.info.is_windows():
             tmp = []
diff --git a/mesonbuild/compilers/mixins/islinker.py b/mesonbuild/compilers/mixins/islinker.py
index ce7a8af..2445eec 100644
--- a/mesonbuild/compilers/mixins/islinker.py
+++ b/mesonbuild/compilers/mixins/islinker.py
@@ -97,8 +97,7 @@ class BasicLinkerIsCompilerMixin(Compiler):
         return []
 
     def get_coverage_link_args(self) -> T.List[str]:
-        m = "Linker {} doesn't implement coverage data generation.".format(self.id)
-        raise mesonlib.EnvironmentException(m)
+        return []
 
     def no_undefined_link_args(self) -> T.List[str]:
         return []