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refactor(codegen): create concrete types for request and response structures

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Simon Hartcher 2025-04-24 14:23:29 +10:00
parent 464218b02c
commit 3e06eeca66
1 changed files with 32 additions and 21 deletions
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53
codegen/src/main.zig
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@ -518,6 +518,35 @@ fn generateOperation(allocator: std.mem.Allocator, operation: smithy.ShapeInfo,
child_state.indent_level += 1;
// indent should start at 4 spaces here
const operation_name = avoidReserved(snake_case_name);
// Request type
_ = try writer.print("pub const {s}Request = ", .{operation.name});
if (operation.shape.operation.input == null or
(try shapeInfoForId(operation.shape.operation.input.?, state)).shape == .unit)
{
_ = try writer.write("struct {\n");
try generateMetadataFunction(operation_name, state, writer);
} else if (operation.shape.operation.input) |member| {
if (try generateTypeFor(member, writer, state, false)) unreachable; // we expect only structs here
_ = try writer.write("\n");
try generateMetadataFunction(operation_name, state, writer);
}
_ = try writer.write(";\n\n");
// Response type
_ = try writer.print("pub const {s}Response = ", .{operation.name});
if (operation.shape.operation.output == null or
(try shapeInfoForId(operation.shape.operation.output.?, state)).shape == .unit)
{
_ = try writer.write("struct {\n");
try generateMetadataFunction(operation_name, state, writer);
} else if (operation.shape.operation.output) |member| {
if (try generateTypeFor(member, writer, state, false)) unreachable; // we expect only structs here
_ = try writer.write("\n");
try generateMetadataFunction(operation_name, state, writer);
}
_ = try writer.write(";\n\n");
try writer.print("pub const {s}: struct ", .{operation_name});
_ = try writer.write("{\n");
for (operation.shape.operation.traits) |trait| {
@ -538,28 +567,10 @@ fn generateOperation(allocator: std.mem.Allocator, operation: smithy.ShapeInfo,
try outputIndent(state, writer);
try writer.print("action_name: []const u8 = \"{s}\",\n", .{operation.name});
try outputIndent(state, writer);
_ = try writer.write("Request: type = ");
if (operation.shape.operation.input == null or
(try shapeInfoForId(operation.shape.operation.input.?, state)).shape == .unit)
{
_ = try writer.write("struct {\n");
try generateMetadataFunction(operation_name, state, writer);
} else if (operation.shape.operation.input) |member| {
if (try generateTypeFor(member, writer, state, false)) unreachable; // we expect only structs here
_ = try writer.write("\n");
try generateMetadataFunction(operation_name, state, writer);
}
_ = try writer.write(",\n");
_ = try writer.print("Request: type = {s}Request,\n", .{operation.name});
try outputIndent(state, writer);
_ = try writer.write("Response: type = ");
if (operation.shape.operation.output == null or
(try shapeInfoForId(operation.shape.operation.output.?, state)).shape == .unit)
{
_ = try writer.write("struct {}"); // we want to maintain consistency with other ops
} else if (operation.shape.operation.output) |member| {
if (try generateTypeFor(member, writer, state, true)) unreachable; // we expect only structs here
}
_ = try writer.write(",\n");
_ = try writer.print("Response: type = {s}Response,\n", .{operation.name});
if (operation.shape.operation.errors) |errors| {
try outputIndent(state, writer);