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Do not generate public empty modules #1803

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merged 8 commits into from
Oct 4, 2022
Merged

Do not generate public empty modules #1803

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ce22621
Mark `operation_handler` module as private in the generated server co…
LukeMathWalker Oct 3, 2022
17d87fb
Add changelog.next entry.
LukeMathWalker Oct 3, 2022
afafbcc
Rename `operationModule` to `operation`.
LukeMathWalker Oct 3, 2022
3e5a56c
Ensure that `operation` is added to the list of public modules for th…
LukeMathWalker Oct 3, 2022
8f1b0a8
Remove DefaultModules from codegen-core
LukeMathWalker Oct 4, 2022
b836237
Merge branch 'main' into fix-public-empty-modules
LukeMathWalker Oct 4, 2022
91533fe
Fix Python server.
LukeMathWalker Oct 4, 2022
a98d41e
Expose TestDefaultPublicModules.
LukeMathWalker Oct 4, 2022
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10 changes: 10 additions & 0 deletions CHANGELOG.next.toml
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Expand Up @@ -10,6 +10,16 @@
# references = ["smithy-rs#920"]
# meta = { "breaking" = false, "tada" = false, "bug" = false, "target" = "client | server | all"}
# author = "rcoh"

[[smithy-rs]]
message = """
Mark `operation` and `operation_handler` modules as private in the generated server crate.
Both modules did not contain any public types, therefore there should be no actual breakage when updating.
"""
references = ["smithy-rs#1803"]
meta = { "breaking" = true, "tada" = false, "bug" = false, "target" = "server"}
author = "LukeMathWalker"

[[smithy-rs]]
message = "Pokémon Service example code now runs clippy during build."
references = ["smithy-rs#1727"]
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3 changes: 2 additions & 1 deletion ...zon/smithy/rust/codegen/client/smithy/generators/client/CustomizableOperationGenerator.kt
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Expand Up @@ -10,6 +10,7 @@ import software.amazon.smithy.rust.codegen.core.rustlang.GenericTypeArg
import software.amazon.smithy.rust.codegen.core.rustlang.RustGenerics
import software.amazon.smithy.rust.codegen.core.rustlang.RustModule
import software.amazon.smithy.rust.codegen.core.rustlang.RustWriter
import software.amazon.smithy.rust.codegen.core.rustlang.Visibility
import software.amazon.smithy.rust.codegen.core.rustlang.asType
import software.amazon.smithy.rust.codegen.core.rustlang.docs
import software.amazon.smithy.rust.codegen.core.rustlang.rust
Expand All @@ -34,7 +35,7 @@ class CustomizableOperationGenerator(
private val smithyTypes = CargoDependency.SmithyTypes(runtimeConfig).asType()

fun render(crate: RustCrate) {
crate.withModule(RustModule.Operation) { writer ->
crate.withModule(RustModule.operationModule(Visibility.PUBLIC)) { writer ->
writer.docs("Operation customization and supporting types")
writer.rust("pub mod customize;")
}
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8 changes: 7 additions & 1 deletion codegen-core/src/main/kotlin/software/amazon/smithy/rust/codegen/core/rustlang/RustModule.kt
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Expand Up @@ -25,6 +25,12 @@ data class RustModule(val name: String, val rustMetadata: RustMetadata, val docu

val Config = public("config", documentation = "Configuration for the service.")
val Error = public("error", documentation = "All error types that operations can return.")
val Operation = public("operation", documentation = "All operations that this crate can perform.")

/**
* Helper method to generate the `operation` Rust module.
* Its visibility depends on the generation context (client or server).
*/
fun operationModule(visibility: Visibility): RustModule =
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default("operation", visibility = visibility, documentation = "All operations that this crate can perform.")
}
}
1 change: 0 additions & 1 deletion ...-core/src/main/kotlin/software/amazon/smithy/rust/codegen/core/smithy/CodegenDelegator.kt
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Expand Up @@ -175,7 +175,6 @@ open class RustCrate(
*/
val DefaultPublicModules = setOf(
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I think a better approach is to move DefaultPublicModules into the client and server modules, since it doesn't seem like there's a good reason to share it in codegen-core. This would also allow us to tailor the module docs to the client/servers separately.

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In 8f1b0a8 I removed DefaultPublicModules and gave client/server/test the responsibility to handle their own list of default public modules.
I haven't inlined the definitions of the various module in those lists, but happy to do so if you think that's useful at this stage.

RustModule.Error,
RustModule.Operation,
RustModule.public("model", documentation = "Data structures used by operation inputs/outputs."),
RustModule.public("input", documentation = "Input structures for operations."),
RustModule.public("output", documentation = "Output structures for operations."),
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5 changes: 2 additions & 3 deletions ...in/software/amazon/smithy/rust/codegen/server/smithy/generators/ServerServiceGenerator.kt
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Expand Up @@ -13,7 +13,6 @@ import software.amazon.smithy.rust.codegen.core.rustlang.RustModule
import software.amazon.smithy.rust.codegen.core.rustlang.RustWriter
import software.amazon.smithy.rust.codegen.core.rustlang.Visibility
import software.amazon.smithy.rust.codegen.core.smithy.CodegenContext
import software.amazon.smithy.rust.codegen.core.smithy.DefaultPublicModules
import software.amazon.smithy.rust.codegen.core.smithy.RustCrate
import software.amazon.smithy.rust.codegen.core.smithy.generators.protocol.ProtocolSupport
import software.amazon.smithy.rust.codegen.server.smithy.generators.protocol.ServerProtocol
Expand Down Expand Up @@ -41,7 +40,7 @@ open class ServerServiceGenerator(
* which assigns a symbol location to each shape.
*/
fun render() {
rustCrate.withModule(DefaultPublicModules["operation"]!!) { writer ->
rustCrate.withModule(RustModule.operationModule(Visibility.PRIVATE)) { writer ->
ServerProtocolTestGenerator(codegenContext, protocolSupport, protocolGenerator).render(writer)
}

Expand All @@ -52,7 +51,7 @@ open class ServerServiceGenerator(
}
}
}
rustCrate.withModule(RustModule.public("operation_handler", "Operation handlers definition and implementation.")) { writer ->
rustCrate.withModule(RustModule.private("operation_handler", "Operation handlers definition and implementation.")) { writer ->
renderOperationHandler(writer, operations)
}
rustCrate.withModule(
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