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refactor tryGetModuleFromResource

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This commit is contained in:
Irmen de Jong 2021-10-13 23:00:22 +02:00
parent c4523ea470
commit 0fcd61e00f
1 changed files with 25 additions and 21 deletions
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46
compiler/src/prog8/compiler/ModuleImporter.kt
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@ -80,26 +80,35 @@ class ModuleImporter(private val program: Program,
if (existing!=null)
return null // TODO: why return null instead of Module instance?
val srcCode = tryGetModuleFromResource("$moduleName.p8", compilationTargetName)
val importedModule =
if (srcCode != null) {
println("importing '$moduleName' (from internal ${srcCode.origin})")
importModule(srcCode)
} else {
// try internal library first
val moduleResourceSrc = getModuleFromResource("$moduleName.p8", compilationTargetName)
var importedModule: Module? = null
moduleResourceSrc.fold(
success = {
println("importing '$moduleName' (from internal ${it.origin})")
importedModule=importModule(it)
},
failure = {
// try filesystem next
val moduleSrc = getModuleFromFile(moduleName, importingModule)
moduleSrc.fold(
success = {
importModule(it)
println("importing '$moduleName' (from file ${it.origin})")
importedModule = importModule(it)
},
failure = {
errors.err("no module found with name $moduleName", import.position)
return null
}
)
}
)
removeDirectivesFromImportedModule(importedModule)
return importedModule
return if(importedModule==null)
null
else {
removeDirectivesFromImportedModule(importedModule!!)
importedModule
}
}
private fun removeDirectivesFromImportedModule(importedModule: Module) {
@ -111,17 +120,12 @@ class ModuleImporter(private val program: Program,
importedModule.statements.addAll(0, directives)
}
private fun tryGetModuleFromResource(name: String, compilationTargetName: String): SourceCode? {
// try target speficic first
try {
return SourceCode.Resource("/prog8lib/$compilationTargetName/$name")
} catch (e: FileSystemException) {
}
try {
return SourceCode.Resource("/prog8lib/$name")
} catch (e: FileSystemException) {
}
return null
private fun getModuleFromResource(name: String, compilationTargetName: String): Result<SourceCode, NoSuchFileException> {
val result =
runCatching { SourceCode.Resource("/prog8lib/$compilationTargetName/$name") }
.orElse { runCatching { SourceCode.Resource("/prog8lib/$name") } }
return result.mapError { NoSuchFileException(File(name)) }
}
private fun getModuleFromFile(name: String, importingModule: Module?): Result<SourceCode, NoSuchFileException> {