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implementation module backendinterface
import StdEnv
import frontend
import backend
import backendpreprocess, backendsupport, backendconvert
import RWSDebug, Version
checkVersion :: VersionsCompatability *File -> (!Bool, !*File)
checkVersion VersionsAreCompatible errorFile
= (True, errorFile)
checkVersion VersionObservedIsTooNew errorFile
# errorFile
= fwrites "[Backend] the back end library is too new\n" errorFile
= (False, errorFile)
checkVersion VersionObservedIsTooOld errorFile
# errorFile
= fwrites "[Backend] the back end library is too old\n" errorFile
= (False, errorFile)
backEndInterface :: !{#Char} [{#Char}] !PredefinedSymbols !FrontEndSyntaxTree !Int !*VarHeap !*AttrVarHeap !*File !*Files -> (!Bool, !*VarHeap, !*AttrVarHeap, !*File, !*Files)
backEndInterface outputFileName commandLineArgs predef_symbols syntaxTree=:{fe_icl,fe_components} main_dcl_module_n var_heap attrHeap errorFile files
# (observedCurrent, observedOldestDefinition, observedOldestImplementation)
= BEGetVersion
observedVersion =
{ versionCurrent
= observedCurrent
, versionOldestDefinition
= observedOldestDefinition
, versionOldestImplementation
= observedOldestImplementation
}
expectedVersion =
{ versionCurrent
= kBEVersionCurrent
, versionOldestDefinition
= kBEVersionOldestDefinition
, versionOldestImplementation
= kBEVersionOldestImplementation
}
# (compatible, errorFile)
= checkVersion (versionCompare expectedVersion observedVersion) errorFile
| not compatible
= (False, var_heap, attrHeap, errorFile, files)
# varHeap
= backEndPreprocess predef_symbols.[PD_DummyForStrictAliasFun].pds_ident functionIndices fe_icl var_heap
with
functionIndices
= flatten [[member \\ member <- group.group_members] \\ group <-: fe_components]
# backEndFiles
= 0
# (backEnd, backEndFiles)
= BEInit (length commandLineArgs) backEndFiles
# backEnd
= foldState BEArg commandLineArgs backEnd
# (var_heap, attrHeap, backEnd)
= backEndConvertModules predef_symbols syntaxTree main_dcl_module_n varHeap attrHeap backEnd
# (success, backEnd)
= BEGenerateCode outputFileName backEnd
# backEndFiles
= BEFree backEnd backEndFiles
= (backEndFiles == 0 && success, var_heap, attrHeap, errorFile, files)
|
