@ -456,11 +456,13 @@ class CrossNoRunException(MesonException):
class RunResult ( HoldableObject ) :
def __init__ ( self , compiled : bool , returncode : int = 999 ,
stdout : str = ' UNDEFINED ' , stderr : str = ' UNDEFINED ' ) :
stdout : str = ' UNDEFINED ' , stderr : str = ' UNDEFINED ' ,
cached : bool = False ) :
self . compiled = compiled
self . returncode = returncode
self . stdout = stdout
self . stderr = stderr
self . cached = cached
class CompileResult ( HoldableObject ) :
@ -689,6 +691,32 @@ class Compiler(HoldableObject, metaclass=abc.ABCMeta):
dependencies : T . Optional [ T . List [ ' Dependency ' ] ] = None ) - > RunResult :
raise EnvironmentException ( ' Language %s does not support run checks. ' % self . get_display_language ( ) )
# Caching run() in general seems too risky (no way to know what the program
# depends on), but some callers know more about the programs they intend to
# run.
# For now we just accept code as a string, as that's what internal callers
# need anyway. If we wanted to accept files, the cache key would need to
# include mtime.
def cached_run ( self , code : str , env : ' Environment ' , * ,
extra_args : T . Union [ T . List [ str ] , T . Callable [ [ CompileCheckMode ] , T . List [ str ] ] , None ] = None ,
dependencies : T . Optional [ T . List [ ' Dependency ' ] ] = None ) - > RunResult :
run_check_cache = env . coredata . run_check_cache
args = self . build_wrapper_args ( env , extra_args , dependencies , CompileCheckMode ( ' link ' ) )
key = ( code , tuple ( args ) )
if key in run_check_cache :
p = run_check_cache [ key ]
p . cached = True
mlog . debug ( ' Using cached run result: ' )
mlog . debug ( ' Code: \n ' , code )
mlog . debug ( ' Args: \n ' , extra_args )
mlog . debug ( ' Cached run returncode: \n ' , p . returncode )
mlog . debug ( ' Cached run stdout: \n ' , p . stdout )
mlog . debug ( ' Cached run stderr: \n ' , p . stderr )
else :
p = self . run ( code , env , extra_args = extra_args , dependencies = dependencies )
run_check_cache [ key ] = p
return p
def sizeof ( self , typename : str , prefix : str , env : ' Environment ' , * ,
extra_args : T . Union [ None , T . List [ str ] , T . Callable [ [ CompileCheckMode ] , T . List [ str ] ] ] = None ,
dependencies : T . Optional [ T . List [ ' Dependency ' ] ] = None ) - > int :