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feature/add impl (#6)

Browse Source 
* format code

* with object gen and args

* add implementation

* add rust generator

* reset generated code

* add basic output

* reset output

* add object

* add format function

* with opts

* fix vec

* add context to unwrap

* fix arguments

* with function body

* first complete generation: Still missing Vec<Obj>

* run full alpine

* add roadmap item
This commit is contained in:
Kasper Juul Hermansen 2023-02-17 12:33:16 +01:00 committed by GitHub
parent 2eb027754b
commit 4a4c03f3c2
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30 changed files with 2478 additions and 1724 deletions
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2
README.md
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@ -20,7 +20,7 @@ Work in progress. This is not ready for usage yet
- [x] Querier
- [x] Context
- [x] Deserializer for nested response (bind)
- [ ] Add codegen to hook into querier
- [x] Add codegen to hook into querier
- [ ] fix build / release cycle
- [ ] general api stabilisation
- [ ] document usage

155
crates/dagger-codegen/src/codegen.rs
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@ -1,155 +0,0 @@
use std::{
io::{BufWriter, Write},
sync::Arc,
};
use dagger_core::introspection::{FullType, IntrospectionResponse, Schema};
use genco::{fmt, prelude::rust, prelude::*, quote};
use crate::handlers::{
enumeration::Enumeration, input::Input, object::Object, scalar::Scalar, DynHandler, Handlers,
};
#[allow(dead_code)]
pub struct CodeGeneration {
handlers: Handlers,
}
impl CodeGeneration {
pub fn new() -> Self {
Self {
handlers: vec![
Arc::new(Scalar {}),
Arc::new(Enumeration {}),
Arc::new(Input {}),
Arc::new(Object {}),
],
}
}
pub fn generate(&self, schema: &IntrospectionResponse) -> eyre::Result<String> {
let code = self.generate_from_schema(
schema
.as_schema()
.schema
.as_ref()
.ok_or(eyre::anyhow!("could not get schema to generate code from"))?,
)?;
Ok(code)
}
fn generate_from_schema(&self, schema: &Schema) -> eyre::Result<String> {
let mut output = rust::Tokens::new();
output.push();
output.append(quote! {
$(format!("// code generated by dagger. DO NOT EDIT."))
});
output.push();
output.append(render_base_types());
output.push();
let mut types = get_types(schema)?;
//let remaining: Vec<Option<String>> = types.into_iter().map(type_name).collect();
types.sort_by_key(|a| a.name.as_ref());
for (handler, types) in self.group_by_handlers(&types) {
for t in types {
if let Some(_) = self.type_name(&t) {
let rendered = handler.render(&t)?;
output.push();
output.append(rendered);
}
}
}
let mut buffer = BufWriter::new(Vec::new());
let mut w = fmt::IoWriter::new(buffer.by_ref());
let fmt = fmt::Config::from_lang::<Rust>().with_indentation(fmt::Indentation::Space(4));
let config = rust::Config::default();
// Prettier imports and use.
//.with_default_import(rust::ImportMode::Qualified);
output.format_file(&mut w.as_formatter(&fmt), &config)?;
let out = String::from_utf8(buffer.into_inner()?)?;
Ok(out)
}
pub fn group_by_handlers(&self, types: &Vec<&FullType>) -> Vec<(DynHandler, Vec<FullType>)> {
let mut group = vec![];
for handler in self.handlers.iter() {
let mut group_types: Vec<FullType> = vec![];
for t in types.iter() {
if handler.predicate(*t) {
group_types.push(t.clone().clone());
}
}
group.push((handler.clone(), group_types))
}
group
}
pub fn type_name(&self, t: &FullType) -> Option<String> {
let name = t.name.as_ref();
if let Some(name) = name {
if name.starts_with("_") {
//|| !is_custom_scalar_type(t) {
return None;
}
return Some(name.replace("Query", "Client"));
}
None
}
fn group_key(&self, t: &FullType) -> Option<DynHandler> {
for handler in self.handlers.iter() {
if handler.predicate(&t) {
return Some(handler.clone());
}
}
None
}
fn sort_key(&self, t: &FullType) -> (isize, String) {
for (i, handler) in self.handlers.iter().enumerate() {
if handler.predicate(t) {
return (i as isize, t.name.as_ref().unwrap().clone());
}
}
return (-1, t.name.as_ref().unwrap().clone());
}
}
fn render_base_types() -> rust::Tokens {
let i = rust::import("dagger_core", "Int");
let b = rust::import("dagger_core", "Boolean");
quote! {
$(register(i))
$(register(b))
}
}
fn get_types(schema: &Schema) -> eyre::Result<Vec<&FullType>> {
let types = schema
.types
.as_ref()
.ok_or(eyre::anyhow!("types not found on schema"))?;
let types: Vec<&FullType> = types
.iter()
.map(|t| t.as_ref().map(|t| &t.full_type))
.flatten()
.collect();
Ok(types)
}

422
crates/dagger-codegen/src/functions.rs Normal file
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@ -0,0 +1,422 @@
use std::sync::Arc;
use dagger_core::introspection::{FullType, FullTypeFields, InputValue, TypeRef, __TypeKind};
use eyre::ContextCompat;
use crate::utility::OptionExt;
pub trait FormatTypeFuncs {
fn format_kind_list(&self, representation: &str) -> String;
fn format_kind_scalar_string(&self, representation: &str) -> String;
fn format_kind_scalar_int(&self, representation: &str) -> String;
fn format_kind_scalar_float(&self, representation: &str) -> String;
fn format_kind_scalar_boolean(&self, representation: &str) -> String;
fn format_kind_scalar_default(
&self,
representation: &str,
ref_name: &str,
input: bool,
) -> String;
fn format_kind_object(&self, representation: &str, ref_name: &str) -> String;
fn format_kind_input_object(&self, representation: &str, ref_name: &str) -> String;
fn format_kind_enum(&self, representation: &str, ref_name: &str) -> String;
}
pub type DynFormatTypeFuncs = Arc<dyn FormatTypeFuncs + Send + Sync>;
pub struct CommonFunctions {
format_type_funcs: DynFormatTypeFuncs,
}
impl CommonFunctions {
pub fn new(funcs: DynFormatTypeFuncs) -> Self {
Self {
format_type_funcs: funcs,
}
}
pub fn format_input_type(&self, t: &TypeRef) -> String {
self.format_type(t, true)
}
pub fn format_output_type(&self, t: &TypeRef) -> String {
self.format_type(t, false)
}
fn format_type(&self, t: &TypeRef, input: bool) -> String {
let mut representation = String::new();
let mut r = Some(t.clone());
while r.is_some() {
return match r.as_ref() {
Some(rf) => match rf.kind.as_ref() {
Some(k) => match k {
__TypeKind::SCALAR => match Scalar::from(rf) {
Scalar::Int => self
.format_type_funcs
.format_kind_scalar_int(&mut representation),
Scalar::Float => self
.format_type_funcs
.format_kind_scalar_float(&mut representation),
Scalar::String => self
.format_type_funcs
.format_kind_scalar_string(&mut representation),
Scalar::Boolean => self
.format_type_funcs
.format_kind_scalar_boolean(&mut representation),
Scalar::Default => self.format_type_funcs.format_kind_scalar_default(
&mut representation,
rf.name.as_ref().unwrap(),
input,
),
},
__TypeKind::OBJECT => self
.format_type_funcs
.format_kind_object(&mut representation, rf.name.as_ref().unwrap()),
__TypeKind::ENUM => self
.format_type_funcs
.format_kind_enum(&mut representation, rf.name.as_ref().unwrap()),
__TypeKind::INPUT_OBJECT => {
self.format_type_funcs.format_kind_input_object(
&mut representation,
&rf.name.as_ref().unwrap(),
)
}
__TypeKind::LIST => {
let mut inner_type = rf
.of_type
.as_ref()
.map(|t| t.clone())
.map(|t| *t)
.map(|t| self.format_type(&t, input))
.context("could not get inner type of list")
.unwrap();
representation =
self.format_type_funcs.format_kind_list(&mut inner_type);
return representation;
}
__TypeKind::NON_NULL => {
r = rf.of_type.as_ref().map(|t| t.clone()).map(|t| *t);
continue;
}
__TypeKind::Other(_) => {
r = rf.of_type.as_ref().map(|t| t.clone()).map(|t| *t);
continue;
}
__TypeKind::INTERFACE => break,
__TypeKind::UNION => break,
},
None => break,
},
None => break,
};
}
println!("rep: {}", representation);
println!("{:?}", t);
representation
}
}
pub enum Scalar {
Int,
Float,
String,
Boolean,
Default,
}
impl From<&TypeRef> for Scalar {
fn from(value: &TypeRef) -> Self {
match value.name.as_ref().map(|n| n.as_str()) {
Some("Int") => Scalar::Int,
Some("Float") => Scalar::Float,
Some("String") => Scalar::String,
Some("Boolean") => Scalar::Boolean,
Some(_) => Scalar::Default,
None => Scalar::Default,
}
}
}
pub fn get_type_from_name<'t>(types: &'t [FullType], name: &'t str) -> Option<&'t FullType> {
types
.into_iter()
.find(|t| t.name.as_ref().map(|s| s.as_str()) == Some(name))
}
pub fn type_ref_is_optional(type_ref: &TypeRef) -> bool {
type_ref
.kind
.pipe(|k| *k != __TypeKind::NON_NULL)
.unwrap_or(false)
}
pub fn type_field_has_optional(field: &FullTypeFields) -> bool {
field
.args
.pipe(|a| {
a.iter()
.map(|a| a.pipe(|a| &a.input_value))
.flatten()
.collect::<Vec<_>>()
})
.pipe(|s| input_values_has_optionals(s.as_slice()))
.unwrap_or(false)
}
pub fn type_ref_is_scalar(type_ref: &TypeRef) -> bool {
let mut type_ref = type_ref.clone();
if type_ref
.kind
.pipe(|k| *k == __TypeKind::NON_NULL)
.unwrap_or(false)
{
type_ref = *type_ref.of_type.unwrap().clone();
}
type_ref
.kind
.pipe(|k| *k == __TypeKind::SCALAR)
.unwrap_or(false)
}
pub fn type_ref_is_object(type_ref: &TypeRef) -> bool {
let mut type_ref = type_ref.clone();
if type_ref
.kind
.pipe(|k| *k == __TypeKind::NON_NULL)
.unwrap_or(false)
{
type_ref = *type_ref.of_type.unwrap().clone();
}
type_ref
.kind
.pipe(|k| *k == __TypeKind::OBJECT)
.unwrap_or(false)
}
pub fn type_ref_is_list(type_ref: &TypeRef) -> bool {
let mut type_ref = type_ref.clone();
if type_ref
.kind
.pipe(|k| *k == __TypeKind::NON_NULL)
.unwrap_or(false)
{
type_ref = *type_ref.of_type.unwrap().clone();
}
type_ref
.kind
.pipe(|k| *k == __TypeKind::LIST)
.unwrap_or(false)
}
pub fn type_ref_is_list_of_objects(type_ref: &TypeRef) -> bool {
let mut type_ref = type_ref.clone();
if type_ref
.kind
.pipe(|k| *k == __TypeKind::NON_NULL)
.unwrap_or(false)
{
type_ref = *type_ref.of_type.unwrap().clone();
}
if type_ref
.kind
.pipe(|k| *k == __TypeKind::LIST)
.unwrap_or(false)
{
type_ref = *type_ref.of_type.unwrap().clone();
}
type_ref_is_object(&type_ref)
}
pub fn input_values_has_optionals(input_values: &[&InputValue]) -> bool {
input_values
.into_iter()
.map(|k| type_ref_is_optional(&k.type_))
.filter(|k| *k)
.collect::<Vec<_>>()
.len()
> 0
}
pub fn input_values_is_empty(input_values: &[InputValue]) -> bool {
input_values.len() > 0
}
#[cfg(test)]
mod test {
use dagger_core::introspection::{FullType, InputValue, TypeRef, __TypeKind};
use pretty_assertions::assert_eq;
use crate::functions::{input_values_has_optionals, type_ref_is_optional};
use super::get_type_from_name;
#[test]
fn get_type_from_name_has_no_item() {
let input = vec![];
let output = get_type_from_name(&input, "some-name");
assert_eq!(output.is_none(), true);
}
#[test]
fn get_type_from_name_has_item() {
let name = "some-name";
let input = vec![FullType {
kind: None,
name: Some(name.to_string()),
description: None,
fields: None,
input_fields: None,
interfaces: None,
enum_values: None,
possible_types: None,
}];
let output = get_type_from_name(&input, name);
assert_eq!(output.is_some(), true);
}
#[test]
fn get_type_from_name_has_item_multiple_entries() {
let name = "some-name";
let input = vec![
FullType {
kind: None,
name: Some(name.to_string()),
description: None,
fields: None,
input_fields: None,
interfaces: None,
enum_values: None,
possible_types: None,
},
FullType {
kind: None,
name: Some(name.to_string()),
description: None,
fields: None,
input_fields: None,
interfaces: None,
enum_values: None,
possible_types: None,
},
];
let output = get_type_from_name(&input, name);
assert_eq!(output.is_some(), true);
}
#[test]
fn type_ref_is_optional_has_none() {
let input = TypeRef {
kind: None,
name: None,
of_type: None,
};
let output = type_ref_is_optional(&input);
assert_eq!(output, false);
}
#[test]
fn type_ref_is_optional_is_required() {
let input = TypeRef {
kind: Some(__TypeKind::NON_NULL),
name: None,
of_type: None,
};
let output = type_ref_is_optional(&input);
assert_eq!(output, false);
}
#[test]
fn type_ref_is_optional_is_optional() {
let input = TypeRef {
kind: Some(__TypeKind::OBJECT),
name: None,
of_type: None,
};
let output = type_ref_is_optional(&input);
assert_eq!(output, true);
}
#[test]
fn input_values_has_optionals_none() {
let input = vec![];
let output = input_values_has_optionals(&input);
assert_eq!(output, false);
}
#[test]
fn input_values_has_optionals_has_optional() {
let input = vec![
InputValue {
name: "some-name".to_string(),
description: None,
type_: TypeRef {
kind: Some(__TypeKind::NON_NULL),
name: None,
of_type: None,
},
default_value: None,
},
InputValue {
name: "some-other-name".to_string(),
description: None,
type_: TypeRef {
kind: Some(__TypeKind::OBJECT),
name: None,
of_type: None,
},
default_value: None,
},
];
let output = input_values_has_optionals(input.iter().collect::<Vec<_>>().as_slice());
assert_eq!(output, true);
}
#[test]
fn input_values_has_optionals_is_required() {
let input = vec![
InputValue {
name: "some-name".to_string(),
description: None,
type_: TypeRef {
kind: Some(__TypeKind::NON_NULL),
name: None,
of_type: None,
},
default_value: None,
},
InputValue {
name: "some-other-name".to_string(),
description: None,
type_: TypeRef {
kind: Some(__TypeKind::NON_NULL),
name: None,
of_type: None,
},
default_value: None,
},
];
let output = input_values_has_optionals(input.iter().collect::<Vec<_>>().as_slice());
assert_eq!(output, false);
}
}

21
crates/dagger-codegen/src/generator.rs Normal file
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@ -0,0 +1,21 @@
use std::sync::Arc;
use dagger_core::introspection::Schema;
pub trait Generator {
fn generate(&self, schema: Schema) -> eyre::Result<String>;
}
pub type DynGenerator = Arc<dyn Generator + Send + Sync>;
pub trait FormatTypeRefs {
fn format_kind_list(representation: &str) -> String;
fn format_kind_scalar_string(representation: &str) -> String;
fn format_kind_scalar_int(representation: &str) -> String;
fn format_kind_scalar_float(representation: &str) -> String;
fn format_kind_scalar_boolean(representation: &str) -> String;
fn format_kind_scalar_default(representation: &str, ref_name: &str, input: bool) -> String;
fn format_kind_object(representation: &str, ref_name: &str) -> String;
fn format_kind_input_object(representation: &str, ref_name: &str) -> String;
fn format_kind_enum(representation: &str, ref_name: &str) -> String;
}

33
crates/dagger-codegen/src/handlers/enumeration.rs
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@ -1,33 +0,0 @@
use dagger_core::introspection::FullType;
use genco::{prelude::rust, quote};
use crate::predicates::is_enum_type;
use super::{utility::render_description, Handler};
pub struct Enumeration;
impl Handler for Enumeration {
fn predicate(&self, t: &FullType) -> bool {
is_enum_type(t)
}
fn render(&self, t: &FullType) -> eyre::Result<rust::Tokens> {
let name = t
.name
.as_ref()
.ok_or(eyre::anyhow!("could not get name from type"))?;
let description =
render_description(t).ok_or(eyre::anyhow!("could not find description"))?;
let out = quote! {
$description
pub enum $name {
// TODO: Add individual items
}
};
Ok(out)
}
}

122
crates/dagger-codegen/src/handlers/fields.rs
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@ -1,122 +0,0 @@
use convert_case::{Case, Casing};
use dagger_core::introspection::{FullTypeFields, FullTypeFieldsArgs};
use genco::{prelude::rust, quote};
use super::{
type_ref::{self, render_type_ref},
utility::{render_description_from_field, render_description_from_input_value},
};
pub fn render_fields(fields: &Vec<FullTypeFields>) -> eyre::Result<Option<rust::Tokens>> {
let mut collected_fields: Vec<rust::Tokens> = vec![];
for field in fields.iter() {
let name = field.name.as_ref().map(|n| n.to_case(Case::Snake)).unwrap();
let output = render_field_output(field)?;
let description = render_description_from_field(field);
let args = match field.args.as_ref() {
Some(a) => render_args(a),
None => None,
};
let mut tkns = rust::Tokens::new();
if let Some(args) = args.as_ref() {
tkns.append(quote! {
$description
pub struct $(&name)Args {
$(&args.args)
}
});
tkns.push();
}
tkns.append(quote! {
pub fn $(&name)(
&self,
$(if let Some(_) = args.as_ref() => args: $(&name)Args)
) -> $(&output) {
let query = self.selection.select($(field.name.as_ref().map(|n| format!("\"{}\"", n))));
$(if let Some(_) = args.as_ref() => query.args(args);)
$output {
conn: self.conn.clone(),
proc: self.proc.clone(),
selection: query,
}
todo!()
}
});
collected_fields.push(tkns);
}
Ok(Some(quote! {
$(for field in collected_fields => $field $['\n'] )
}))
}
struct Arg {
name: String,
description: Option<rust::Tokens>,
type_: rust::Tokens,
}
struct CollectedArgs {
description: Option<rust::Tokens>,
args: rust::Tokens,
}
fn render_args(args: &[Option<FullTypeFieldsArgs>]) -> Option<CollectedArgs> {
let mut collected_args: Vec<Arg> = vec![];
for arg in args {
if let Some(arg) = arg.as_ref().map(|a| &a.input_value) {
let name = arg.name.clone();
let description = render_description_from_input_value(&arg, &name);
let t = render_type_ref(&arg.type_).unwrap();
collected_args.push(Arg {
name,
description,
type_: t,
})
}
}
if collected_args.len() > 0 {
let mut collected_arg = CollectedArgs {
description: Some(rust::Tokens::new()),
args: rust::Tokens::new(),
};
for arg in collected_args {
if let Some(desc) = arg.description {
if let Some(inner_desc) = collected_arg.description.as_mut() {
inner_desc.append(desc);
inner_desc.push();
}
}
collected_arg.args.append(quote! {
$(arg.name.to_case(Case::Snake)): $(arg.type_),
});
collected_arg.args.push();
}
if let Some(desc) = collected_arg.description.as_ref() {
if desc.is_empty() {
collected_arg.description = None;
}
}
Some(collected_arg)
} else {
None
}
}
pub fn render_field_output(field: &FullTypeFields) -> eyre::Result<rust::Tokens> {
let inner = &field.type_.as_ref().unwrap();
type_ref::render_type_ref(&inner.type_ref)
}

110
crates/dagger-codegen/src/handlers/input.rs
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@ -1,110 +0,0 @@
use dagger_core::introspection::FullType;
use genco::prelude::rust;
use genco::prelude::*;
use crate::predicates::is_input_object_type;
use super::{input_field::render_input_fields, utility::render_description, Handler};
pub struct Input;
impl Handler for Input {
fn predicate(&self, t: &FullType) -> bool {
is_input_object_type(t)
}
fn render(&self, t: &FullType) -> eyre::Result<rust::Tokens> {
let name = t
.name
.as_ref()
.ok_or(eyre::anyhow!("could not find name"))?;
let description = render_description(t);
//let input = rust::import("dagger_core", "Input");
let fields = match t.input_fields.as_ref() {
Some(i) => render_input_fields(i)?,
None => None,
};
let out = quote! {
$(if description.is_some() => $description)
pub struct $name {
$(if fields.is_some() => $fields)
}
};
Ok(out)
}
}
#[cfg(test)]
mod tests {
use dagger_core::introspection::{
FullType, FullTypeInputFields, InputValue, TypeRef, __TypeKind,
};
use pretty_assertions::assert_eq;
use crate::handlers::Handler;
use super::Input;
#[test]
fn can_gen_input() {
let input = Input {};
let t = FullType {
kind: Some(__TypeKind::INPUT_OBJECT),
name: Some("BuildArg".into()),
description: None,
input_fields: Some(vec![
FullTypeInputFields {
input_value: InputValue {
name: "name".into(),
description: None,
type_: TypeRef {
name: None,
kind: Some(__TypeKind::NON_NULL),
of_type: Some(Box::new(TypeRef {
kind: Some(__TypeKind::SCALAR),
name: Some("String".into()),
of_type: None,
})),
},
default_value: None,
},
},
FullTypeInputFields {
input_value: InputValue {
name: "value".into(),
description: None,
type_: TypeRef {
name: None,
kind: Some(__TypeKind::NON_NULL),
of_type: Some(Box::new(TypeRef {
kind: Some(__TypeKind::SCALAR),
name: Some("String".into()),
of_type: None,
})),
},
default_value: None,
},
},
]),
interfaces: None,
enum_values: None,
possible_types: None,
fields: None,
};
let expected = r#"pub struct BuildArg {
pub name: String,
pub value: String,
}
"#;
let output = input.render(&t).unwrap();
assert_eq!(output.to_file_string().unwrap(), expected);
}
}

22
crates/dagger-codegen/src/handlers/input_field.rs
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@ -1,22 +0,0 @@
use dagger_core::introspection::FullTypeInputFields;
use genco::{prelude::rust, quote};
use super::type_ref;
pub fn render_input_fields(
input_fields: &Vec<FullTypeInputFields>,
) -> eyre::Result<Option<rust::Tokens>> {
let mut fields: Vec<(String, rust::Tokens)> = vec![];
for field in input_fields.iter() {
fields.push((field.input_value.name.clone(), render_input_field(field)?));
}
Ok(Some(quote! {
$(for (name, field) in fields => pub $name: $field, $['\n'] )
}))
}
pub fn render_input_field(field: &FullTypeInputFields) -> eyre::Result<rust::Tokens> {
let inner = &field.input_value.type_;
type_ref::render_type_ref(inner)
}

93
crates/dagger-codegen/src/handlers/mod.rs
View File

@ -1,93 +0,0 @@
pub mod enumeration;
mod fields;
pub mod input;
mod input_field;
pub mod object;
pub mod scalar;
mod type_ref;
mod utility;
use std::sync::Arc;
use dagger_core::introspection::FullType;
use genco::prelude::rust::Tokens;
use genco::prelude::*;
pub trait Handler {
fn predicate(&self, _t: &FullType) -> bool {
false
}
fn render(&self, t: &FullType) -> eyre::Result<rust::Tokens> {
let tstruct = self.render_struct(t)?;
let timpl = self.render_impl(t)?;
let mut out = rust::Tokens::new();
out.append(tstruct);
out.push();
out.append(timpl);
out.push();
Ok(out)
}
fn render_struct(&self, t: &FullType) -> eyre::Result<Tokens> {
let name = t.name.as_ref().ok_or(eyre::anyhow!("name not found"))?;
Ok(quote! {
pub struct $name {} {
// TODO: Add fields
}
})
}
fn render_impl(&self, t: &FullType) -> eyre::Result<Tokens> {
let name = t.name.as_ref().ok_or(eyre::anyhow!("name not found"))?;
Ok(quote! {
impl $name {} {
// TODO: Add fields
}
})
}
}
pub type DynHandler = Arc<dyn Handler + Send + Sync>;
pub type Handlers = Vec<DynHandler>;
#[cfg(test)]
mod tests {
use dagger_core::introspection::FullType;
use pretty_assertions::assert_eq;
use super::Handler;
struct DefaultHandler;
impl Handler for DefaultHandler {}
#[test]
fn render_returns_expected() {
let handler = DefaultHandler {};
let t = FullType {
kind: None,
name: Some("SomeName".into()),
description: None,
fields: None,
input_fields: None,
interfaces: None,
enum_values: None,
possible_types: None,
};
let res = handler.render(&t).unwrap();
assert_eq!(
res.to_string().unwrap(),
"pub struct SomeName {} {
}
impl SomeName {} {
}"
.to_string()
);
}
}

167
crates/dagger-codegen/src/handlers/object.rs
View File

@ -1,167 +0,0 @@
use dagger_core::introspection::FullType;
use genco::{prelude::rust, quote};
use crate::predicates::is_object_type;
use super::{fields, input_field, utility::render_description, Handler};
pub struct Object;
impl Handler for Object {
fn predicate(&self, t: &FullType) -> bool {
is_object_type(t)
}
fn render(&self, t: &FullType) -> eyre::Result<rust::Tokens> {
let name = t
.name
.as_ref()
.ok_or(eyre::anyhow!("could not find name"))?;
let description = render_description(t);
let fields = match t.fields.as_ref() {
Some(i) => fields::render_fields(i)?,
None => None,
};
let input_fields = match t.input_fields.as_ref() {
Some(i) => input_field::render_input_fields(i)?,
None => None,
};
let out = quote! {
$(if description.is_some() => $description)
pub struct $name {
$(if input_fields.is_some() => $input_fields)
}
impl $name {
$(if fields.is_some() => $fields)
}
};
Ok(out)
}
}
#[cfg(test)]
mod tests {
use dagger_core::introspection::{
FullType, FullTypeFields, FullTypeFieldsArgs, FullTypeFieldsType, InputValue, TypeRef,
__TypeKind,
};
use pretty_assertions::assert_eq;
use crate::handlers::Handler;
use super::Object;
#[test]
fn can_render_object() {
let t: FullType = FullType {
kind: Some(__TypeKind::OBJECT),
name: Some("CacheVolume".into()),
description: Some("A directory whose contents persists across sessions".into()),
fields: Some(vec![FullTypeFields {
name: Some("id".into()),
description: None,
args: None,
type_: Some(FullTypeFieldsType {
type_ref: TypeRef {
kind: Some(__TypeKind::NON_NULL),
name: None,
of_type: Some(Box::new(TypeRef {
kind: Some(__TypeKind::SCALAR),
name: Some("CacheID".into()),
of_type: None,
})),
},
}),
is_deprecated: Some(false),
deprecation_reason: None,
}]),
input_fields: None,
interfaces: None,
enum_values: None,
possible_types: None,
};
let expected = r#"
/// A directory whose contents persists across sessions
pub struct CacheVolume {}
impl CacheVolume {
pub fn id(
&self,
) -> CacheID {
let query = self.selection.select("id");
CacheID {
conn: self.conn.clone(),
proc: self.proc.clone(),
selection: query,
}
todo!()
}
}
"#;
let handler = Object {};
let obj = handler.render(&t).unwrap();
let actual = obj.to_file_string().unwrap();
assert_eq!(actual, expected);
}
#[test]
fn can_render_query_container() {
let t: FullType = FullType {
kind: Some(__TypeKind::OBJECT),
name: Some("Query".into()),
description: None,
fields: Some(vec![FullTypeFields {
name: Some("container".into()),
description: Some("Loads a container from ID.\nNull ID returns an empty container (scratch).\nOptional platform argument initializes new containers to execute and publish as that platform. Platform defaults to that of the builder's host.".into()),
args: Some(
vec![
Some(
FullTypeFieldsArgs
{
input_value: InputValue { name: "id".into(), description: None, type_: TypeRef { kind: Some(__TypeKind::SCALAR), name: Some("ContainerID".into()), of_type: None }, default_value: None }
}
),
Some(
FullTypeFieldsArgs {
input_value: InputValue {
name: "platform".into(), description: None, type_: TypeRef { kind: Some(__TypeKind::SCALAR), name: Some("Platform".into()), of_type: None },
default_value: None }
})
]),
type_: Some(FullTypeFieldsType {
type_ref: TypeRef {
kind: Some(__TypeKind::NON_NULL),
name: None,
of_type: Some(Box::new(TypeRef {
kind: Some(__TypeKind::SCALAR),
name: Some("CacheID".into()),
of_type: None,
})),
},
}),
is_deprecated: Some(false),
deprecation_reason: None,
}
]),
input_fields: None,
interfaces: None,
enum_values: None,
possible_types: None,
};
let expected = r#"
"#;
let handler = Object {};
let obj = handler.render(&t).unwrap();
let actual = obj.to_file_string().unwrap();
assert_eq!(actual, expected);
}
}

42
crates/dagger-codegen/src/handlers/scalar.rs
View File

@ -1,42 +0,0 @@
use dagger_core::introspection::FullType;
use genco::{prelude::rust, quote};
use crate::predicates::is_custom_scalar_type;
use super::{utility::render_description, Handler};
pub struct Scalar;
impl Handler for Scalar {
fn predicate(&self, t: &FullType) -> bool {
is_custom_scalar_type(t)
}
fn render(&self, t: &FullType) -> eyre::Result<rust::Tokens> {
let mut out = rust::Tokens::new();
let description =
render_description(t).ok_or(eyre::anyhow!("could not find description"))?;
let tstruct = self.render_struct(t)?;
out.append(description);
out.push();
out.append(tstruct);
Ok(out)
}
fn render_struct(&self, t: &FullType) -> eyre::Result<genco::prelude::rust::Tokens> {
let name = t.name.as_ref().ok_or(eyre::anyhow!("name not found"))?;
let scalar = rust::import("dagger_core", "Scalar");
Ok(quote! {
pub struct $name($scalar);
})
}
fn render_impl(&self, _t: &FullType) -> eyre::Result<genco::prelude::rust::Tokens> {
todo!()
}
}

97
crates/dagger-codegen/src/handlers/type_ref.rs
View File

@ -1,97 +0,0 @@
use dagger_core::introspection::TypeRef;
use genco::prelude::rust;
use genco::prelude::*;
use crate::predicates::{
is_custom_scalar_type_ref, is_list_type, is_required_type_ref, is_scalar_type_ref,
};
pub fn render_type_ref(inner: &TypeRef) -> eyre::Result<rust::Tokens> {
let extract_of_type = |t: &TypeRef| -> Option<TypeRef> {
return t.clone().of_type.map(|t| *t);
};
let (optional, inner) = if !is_required_type_ref(inner) {
(true, inner.clone())
} else {
(false, extract_of_type(inner).unwrap())
};
if is_list_type(&inner) {
if let Some(inner_of_type) = extract_of_type(&inner) {
let inner_field = render_type_ref(&inner_of_type)?;
if optional {
return Ok(quote! {
Option<Vec<$inner_field>>
});
}
return Ok(quote! {
Vec<$inner_field>
});
}
}
if is_custom_scalar_type_ref(&inner) {
if let Some(inner_of_type) = extract_of_type(&inner) {
let inner_field = render_type_ref(&inner_of_type)?;
if optional {
return Ok(quote! {
Option<$inner_field>
});
}
return Ok(quote! {
$inner_field
});
}
}
if is_scalar_type_ref(&inner) {
let name = match inner.name.as_ref().map(|s| s.as_str()) {
Some("ID") => "ID",
Some("Int") => "Int",
Some("String") => "String",
Some("Float") => "Float",
Some("Boolean") => "Boolean",
Some("Date") => "Date",
Some("DateTime") => "DateTime",
Some("Time") => "Time",
Some("Decimal") => "Decimal",
Some(n) => n,
_ => eyre::bail!("missing type in the end of chain"),
};
if optional {
return Ok(quote! {
Option<$name>
});
}
return Ok(quote! {
$name
});
}
if let Some(inner_type) = inner.of_type.as_ref() {
let inner_field = render_type_ref(&inner_type)?;
if optional {
return Ok(quote! {
Option<$inner_field>
});
}
return Ok(inner_field);
}
if let Some(name) = inner.name.as_ref() {
if optional {
return Ok(quote! {
Option<$name>
});
}
return Ok(quote! {
$name
});
}
eyre::bail!("could not determine type")
}

56
crates/dagger-codegen/src/handlers/utility.rs
View File

@ -1,56 +0,0 @@
use dagger_core::introspection::{FullType, FullTypeFields, InputValue};
use genco::{prelude::*, quote};
pub fn render_description(t: &FullType) -> Option<rust::Tokens> {
if let Some(description) = t.description.as_ref() {
let lines = description.split('\n');
let output: rust::Tokens = quote! {
$(for line in lines => $(format!("\n/// {line}")))
};
return Some(output);
}
None
}
pub fn render_description_from_field(t: &FullTypeFields) -> Option<rust::Tokens> {
if let Some(description) = t.description.as_ref() {
let lines = description.split('\n');
let output: rust::Tokens = quote! {
$(for line in lines => $(format!("\n/// {line}")))
};
return Some(output);
}
None
}
pub fn render_description_from_input_value(t: &InputValue, name: &String) -> Option<rust::Tokens> {
if let Some(description) = t.description.as_ref() {
if description == "" {
return None;
}
let lines = description.split('\n').collect::<Vec<&str>>();
let mut output = rust::Tokens::new();
if let Some(line) = lines.first() {
output.append(quote! {
$(format!("/// * `{name}` - {line}"))
});
output.push();
}
for line in lines.iter().skip(1) {
output.append(quote! {
$(format!("/// {line}"))
});
output.push();
}
return Some(output);
}
None
}

29
crates/dagger-codegen/src/lib.rs
View File

@ -1,4 +1,25 @@
pub mod codegen;
mod handlers;
mod models;
mod predicates;
mod functions;
mod generator;
pub mod rust;
pub mod utility;
mod visitor;
use dagger_core::introspection::Schema;
use self::generator::DynGenerator;
fn set_schema_parents(mut schema: Schema) -> Schema {
for t in schema.types.as_mut().into_iter().flatten().flatten() {
let t_parent = t.full_type.clone();
for mut field in t.full_type.fields.as_mut().into_iter().flatten() {
field.parent_type = Some(t_parent.clone());
}
}
return schema;
}
pub fn generate(schema: Schema, generator: DynGenerator) -> eyre::Result<String> {
let schema = set_schema_parents(schema);
generator.generate(schema)
}

11
crates/dagger-codegen/src/models.rs
View File

@ -1,11 +0,0 @@
pub enum Scalars {
ID(String),
Int(usize),
String(String),
Float(f64),
Boolean(bool),
Date(String),
DateTime(String),
Time(String),
Decimal(f64),
}

101
crates/dagger-codegen/src/predicates.rs
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@ -1,101 +0,0 @@
use dagger_core::introspection::{FullType, FullTypeInputFields, TypeRef, __TypeKind};
use crate::models::Scalars;
pub fn is_scalar_type(t: &FullType) -> bool {
if let Some(__TypeKind::SCALAR) = t.kind {
return true;
}
false
}
pub fn is_scalar_type_ref(t: &TypeRef) -> bool {
if let Some(__TypeKind::SCALAR) = t.kind {
return true;
}
false
}
pub fn is_enum_type(t: &FullType) -> bool {
if let Some(__TypeKind::ENUM) = t.kind {
return true;
}
false
}
pub fn is_input_object_type(t: &FullType) -> bool {
if let Some(__TypeKind::INPUT_OBJECT) = t.kind {
return true;
}
false
}
pub fn is_required_type(t: &FullTypeInputFields) -> bool {
match t.input_value.type_.kind {
Some(__TypeKind::NON_NULL) => return true,
Some(_) => return false,
_ => return false,
}
}
pub fn is_required_type_ref(t: &TypeRef) -> bool {
match t.kind {
Some(__TypeKind::NON_NULL) => return true,
Some(_) => return false,
_ => return false,
}
}
pub fn is_list_type(t: &TypeRef) -> bool {
if let Some(__TypeKind::LIST) = t.kind {
return true;
}
false
}
pub fn is_object_type(t: &FullType) -> bool {
if let Some(__TypeKind::OBJECT) = t.kind {
return true;
}
false
}
pub fn is_custom_scalar_type(t: &FullType) -> bool {
if is_scalar_type(t) {
// TODO: Insert scalar
let _ = match t.name.as_ref().map(|s| s.as_str()) {
Some("ID") => Scalars::ID("ID".into()),
Some("Int") => Scalars::Int(0),
Some("String") => Scalars::String("ID".into()),
Some("Float") => Scalars::Float(0.0),
Some("Boolean") => Scalars::Boolean(false),
Some("Date") => Scalars::Date("ID".into()),
Some("DateTime") => Scalars::DateTime("ID".into()),
Some("Time") => Scalars::Time("ID".into()),
Some("Decimal") => Scalars::Decimal(0.0),
Some(_) => return true,
None => return false,
};
}
false
}
pub fn is_custom_scalar_type_ref(t: &TypeRef) -> bool {
if is_scalar_type_ref(t) {
// TODO: Insert scalar
let _ = match t.name.as_ref().map(|s| s.as_str()) {
Some("ID") => Scalars::ID("ID".into()),
Some("Int") => Scalars::Int(0),
Some("String") => Scalars::String("ID".into()),
Some("Float") => Scalars::Float(0.0),
Some("Boolean") => Scalars::Boolean(false),
Some("Date") => Scalars::Date("ID".into()),
Some("DateTime") => Scalars::DateTime("ID".into()),
Some("Time") => Scalars::Time("ID".into()),
Some("Decimal") => Scalars::Decimal(0.0),
Some(_) => return true,
None => return false,
};
}
false
}

64
crates/dagger-codegen/src/rust/format.rs Normal file
View File

@ -0,0 +1,64 @@
use crate::functions::FormatTypeFuncs;
use super::functions::format_name;
pub struct FormatTypeFunc;
impl FormatTypeFuncs for FormatTypeFunc {
fn format_kind_list(&self, representation: &str) -> String {
format!("Vec<{}>", representation)
}
fn format_kind_scalar_string(&self, representation: &str) -> String {
let mut rep = representation.to_string();
rep.push_str("String");
rep
}
fn format_kind_scalar_int(&self, representation: &str) -> String {
let mut rep = representation.to_string();
rep.push_str("isize");
rep
}
fn format_kind_scalar_float(&self, representation: &str) -> String {
let mut rep = representation.to_string();
rep.push_str("float");
rep
}
fn format_kind_scalar_boolean(&self, representation: &str) -> String {
let mut rep = representation.to_string();
rep.push_str("bool");
rep
}
fn format_kind_scalar_default(
&self,
representation: &str,
ref_name: &str,
input: bool,
) -> String {
let mut rep = representation.to_string();
rep.push_str(&format_name(ref_name));
rep
}
fn format_kind_object(&self, representation: &str, ref_name: &str) -> String {
let mut rep = representation.to_string();
rep.push_str(&format_name(ref_name));
rep
}
fn format_kind_input_object(&self, representation: &str, ref_name: &str) -> String {
let mut rep = representation.to_string();
rep.push_str(&format_name(ref_name));
rep
}
fn format_kind_enum(&self, representation: &str, ref_name: &str) -> String {
let mut rep = representation.to_string();
rep.push_str(&format_name(ref_name));
rep
}
}

206
crates/dagger-codegen/src/rust/functions.rs Normal file
View File

@ -0,0 +1,206 @@
use convert_case::{Case, Casing};
use dagger_core::introspection::FullTypeFields;
use genco::prelude::rust;
use genco::quote;
use genco::tokens::quoted;
use crate::functions::{
type_field_has_optional, type_ref_is_list, type_ref_is_list_of_objects, type_ref_is_object,
type_ref_is_optional, type_ref_is_scalar, CommonFunctions,
};
use crate::utility::OptionExt;
pub fn format_name(s: &str) -> String {
s.to_case(Case::Pascal)
}
pub fn format_struct_name(s: &str) -> String {
s.to_case(Case::Snake)
}
pub fn field_options_struct_name(field: &FullTypeFields) -> Option<String> {
field
.parent_type
.as_ref()
.map(|p| p.name.as_ref().map(|n| format_name(n)))
.flatten()
.zip(field.name.as_ref().map(|n| format_name(n)))
.map(|(parent_name, field_name)| format!("{parent_name}{field_name}Opts"))
}
pub fn format_function(funcs: &CommonFunctions, field: &FullTypeFields) -> Option<rust::Tokens> {
let signature = quote! {
pub fn $(field.name.pipe(|n | format_struct_name(n)))
};
let args = format_function_args(funcs, field);
let output_type = field
.type_
.pipe(|t| &t.type_ref)
.pipe(|t| funcs.format_output_type(t));
Some(quote! {
$(signature)(
$(args)
) -> $(output_type) {
let mut query = self.selection.select($(quoted(field.name.as_ref())));
$(render_required_args(funcs, field))
$(render_optional_args(funcs, field))
$(render_execution(funcs, field))
}
})
}
fn render_required_args(funcs: &CommonFunctions, field: &FullTypeFields) -> Option<rust::Tokens> {
if let Some(args) = field.args.as_ref() {
let args = args
.into_iter()
.map(|a| {
a.as_ref().and_then(|s| {
if type_ref_is_optional(&s.input_value.type_) {
return None;
}
let n = format_struct_name(&s.input_value.name);
let name = &s.input_value.name;
Some(quote! {
query = query.arg($(quoted(name)), $(n)).unwrap();
})
})
})
.flatten()
.collect::<Vec<_>>();
let required_args = quote! {
$(for arg in args join ($['\r']) => $arg)
};
Some(required_args)
} else {
None
}
}
fn render_optional_args(funcs: &CommonFunctions, field: &FullTypeFields) -> Option<rust::Tokens> {
if let Some(args) = field.args.as_ref() {
let args = args
.into_iter()
.map(|a| {
a.as_ref().and_then(|s| {
if !type_ref_is_optional(&s.input_value.type_) {
return None;
}
let n = format_struct_name(&s.input_value.name);
let name = &s.input_value.name;
Some(quote! {
if let Some($(&n)) = opts.$(&n) {
query = query.arg($(quoted(name)), $(&n)).unwrap();
}
})
})
})
.flatten()
.collect::<Vec<_>>();
if args.len() == 0 {
return None;
}
let required_args = quote! {
if let Some(opts) = opts {
$(for arg in args join ($['\r']) => $arg)
}
};
Some(required_args)
} else {
None
}
}
fn render_execution(funcs: &CommonFunctions, field: &FullTypeFields) -> rust::Tokens {
if let Some(true) = field.type_.pipe(|t| type_ref_is_object(&t.type_ref)) {
let output_type = funcs.format_output_type(&field.type_.as_ref().unwrap().type_ref);
return quote! {
return $(output_type) {
proc: self.proc.clone(),
selection: query,
conn: self.conn.clone(),
}
};
}
if let Some(true) = field
.type_
.pipe(|t| type_ref_is_list_of_objects(&t.type_ref))
{
let output_type = funcs.format_output_type(
&field
.type_
.as_ref()
.unwrap()
.type_ref
.of_type
.as_ref()
.unwrap()
.of_type
.as_ref()
.unwrap(),
);
return quote! {
return vec![$(output_type) {
proc: self.proc.clone(),
selection: query,
conn: self.conn.clone(),
}]
};
}
let graphql_client = rust::import("crate::client", "graphql_client");
quote! {
query.execute(&$graphql_client(&self.conn)).unwrap().unwrap()
}
}
fn format_function_args(funcs: &CommonFunctions, field: &FullTypeFields) -> Option<rust::Tokens> {
if let Some(args) = field.args.as_ref() {
let args = args
.into_iter()
.map(|a| {
a.as_ref().and_then(|s| {
if type_ref_is_optional(&s.input_value.type_) {
return None;
}
let t = funcs.format_input_type(&s.input_value.type_);
let n = format_struct_name(&s.input_value.name);
Some(quote! {
$(n): $(t),
})
})
})
.flatten()
.collect::<Vec<_>>();
let required_args = quote! {
&self,
$(for arg in args join ($['\r']) => $arg)
};
if type_field_has_optional(field) {
Some(quote! {
$(required_args)
opts: Option<$(field_options_struct_name(field))>
})
} else {
Some(required_args)
}
} else {
None
}
}

114
crates/dagger-codegen/src/rust/mod.rs Normal file
View File

@ -0,0 +1,114 @@
pub mod format;
mod functions;
pub mod templates;
use std::sync::{Arc, Mutex};
use dagger_core::introspection::Schema;
use eyre::Context;
use genco::prelude::rust;
use crate::functions::CommonFunctions;
use crate::generator::Generator;
use crate::visitor::{VisitHandlers, Visitor};
use self::format::FormatTypeFunc;
use self::templates::enum_tmpl::render_enum;
use self::templates::input_tmpl::render_input;
use self::templates::object_tmpl::render_object;
use self::templates::scalar_tmpl::render_scalar;
pub struct RustGenerator {}
impl Generator for RustGenerator {
fn generate(&self, schema: Schema) -> eyre::Result<String> {
let render = Arc::new(Mutex::new(rust::Tokens::new()));
let common_funcs = Arc::new(CommonFunctions::new(Arc::new(FormatTypeFunc {})));
println!("generating dagger for rust");
let visitor = Visitor {
schema,
handlers: VisitHandlers {
visit_scalar: Arc::new({
let render = render.clone();
let common_funcs = common_funcs.clone();
move |t| {
println!("generating scalar");
let rendered_scalar = render_scalar(t)?;
let mut render = render.lock().unwrap();
render.append(rendered_scalar);
render.push();
println!("generated scalar");
Ok(())
}
}),
visit_object: Arc::new({
let render = render.clone();
let common_funcs = common_funcs.clone();
move |t| {
println!("generating object");
let rendered_scalar = render_object(&common_funcs, t)?;
let mut render = render.lock().unwrap();
render.append(rendered_scalar);
render.push();
println!("generated object");
Ok(())
}
}),
visit_input: Arc::new({
let render = render.clone();
let common_funcs = common_funcs.clone();
move |t| {
println!("generating input");
let rendered_scalar = render_input(&common_funcs, t)?;
let mut render = render.lock().unwrap();
render.append(rendered_scalar);
render.push();
println!("generated input");
Ok(())
}
}),
visit_enum: Arc::new({
let render = render.clone();
let common_funcs = common_funcs.clone();
move |t| {
println!("generating enum");
let rendered_scalar = render_enum(t)?;
let mut render = render.lock().unwrap();
render.append(rendered_scalar);
render.push();
println!("generated enum");
Ok(())
}
}),
},
};
visitor.run()?;
println!("done generating objects");
let rendered = render.lock().unwrap();
rendered
.to_file_string()
.context("could not render to file string")
}
}

33
crates/dagger-codegen/src/rust/templates/enum_tmpl.rs Normal file
View File

@ -0,0 +1,33 @@
use dagger_core::introspection::FullType;
use genco::prelude::rust;
use genco::quote;
fn render_enum_values(values: &FullType) -> Option<rust::Tokens> {
let values = values
.enum_values
.as_ref()
.into_iter()
.map(|values| {
values
.into_iter()
.map(|val| quote! { $(val.name.as_ref()) })
})
.flatten()
.collect::<Vec<_>>();
let mut tokens = rust::Tokens::new();
for val in values {
tokens.append(val);
tokens.push();
}
Some(tokens)
}
pub fn render_enum(t: &FullType) -> eyre::Result<rust::Tokens> {
Ok(quote! {
pub enum $(t.name.as_ref()) {
$(render_enum_values(t))
}
})
}

38
crates/dagger-codegen/src/rust/templates/input_tmpl.rs Normal file
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@ -0,0 +1,38 @@
use dagger_core::introspection::{FullType, FullTypeInputFields};
use genco::prelude::rust;
use genco::quote;
use crate::functions::CommonFunctions;
use crate::rust::functions::{format_name, format_struct_name};
pub fn render_input(funcs: &CommonFunctions, t: &FullType) -> eyre::Result<rust::Tokens> {
let deserialize = rust::import("serde", "Deserialize");
let serialize = rust::import("serde", "Serialize");
Ok(quote! {
#[derive($serialize, $deserialize)]
pub struct $(format_name(t.name.as_ref().unwrap())) {
$(render_input_fields(funcs, t.input_fields.as_ref().unwrap_or(&Vec::new()) ))
}
})
}
pub fn render_input_fields(
funcs: &CommonFunctions,
fields: &[FullTypeInputFields],
) -> Option<rust::Tokens> {
let rendered_fields = fields.iter().map(|f| render_input_field(funcs, f));
if rendered_fields.len() == 0 {
None
} else {
Some(quote! {
$(for field in rendered_fields join ($['\r']) => $field)
})
}
}
pub fn render_input_field(funcs: &CommonFunctions, field: &FullTypeInputFields) -> rust::Tokens {
quote! {
pub $(format_struct_name(&field.input_value.name)): $(funcs.format_input_type(&field.input_value.type_)),
}
}

4
crates/dagger-codegen/src/rust/templates/mod.rs Normal file
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@ -0,0 +1,4 @@
pub mod enum_tmpl;
pub mod input_tmpl;
pub mod object_tmpl;
pub mod scalar_tmpl;

112
crates/dagger-codegen/src/rust/templates/object_tmpl.rs Normal file
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@ -0,0 +1,112 @@
use dagger_core::introspection::{FullType, FullTypeFields, FullTypeFieldsArgs};
use genco::prelude::rust;
use genco::quote;
use crate::functions::{type_ref_is_optional, CommonFunctions};
use crate::rust::functions::{
field_options_struct_name, format_function, format_name, format_struct_name,
};
use crate::utility::OptionExt;
pub fn render_object(funcs: &CommonFunctions, t: &FullType) -> eyre::Result<rust::Tokens> {
let selection = rust::import("crate::querybuilder", "Selection");
let child = rust::import("std::process", "Child");
let conn = rust::import("dagger_core::connect_params", "ConnectParams");
let arc = rust::import("std::sync", "Arc");
Ok(quote! {
pub struct $(t.name.pipe(|s| format_name(s))) {
pub proc: $arc<$child>,
pub selection: $selection,
pub conn: $conn,
}
$(t.fields.pipe(|f| render_optional_args(funcs, f)))
impl $(t.name.pipe(|s| format_name(s))) {
$(t.fields.pipe(|f| render_functions(funcs, f)))
}
})
}
fn render_optional_args(
funcs: &CommonFunctions,
fields: &Vec<FullTypeFields>,
) -> Option<rust::Tokens> {
let rendered_fields = fields
.iter()
.map(|f| render_optional_arg(funcs, f))
.flatten()
.collect::<Vec<_>>();
if rendered_fields.len() == 0 {
None
} else {
Some(quote! {
$(for field in rendered_fields join ($['\r']) => $field)
})
}
}
fn render_optional_arg(funcs: &CommonFunctions, field: &FullTypeFields) -> Option<rust::Tokens> {
let output_type = field_options_struct_name(field);
let fields = field
.args
.pipe(|t| t.into_iter().flatten().collect::<Vec<_>>())
.map(|t| {
t.into_iter()
.filter(|t| type_ref_is_optional(&t.input_value.type_))
.collect::<Vec<_>>()
})
.pipe(|t| render_optional_field_args(funcs, t))
.flatten();
if let Some(fields) = fields {
Some(quote! {
pub struct $output_type {
$fields
}
})
} else {
None
}
}
fn render_optional_field_args(
funcs: &CommonFunctions,
args: &Vec<&FullTypeFieldsArgs>,
) -> Option<rust::Tokens> {
if args.len() == 0 {
return None;
}
let rendered_args = args.into_iter().map(|a| &a.input_value).map(|a| {
quote! {
pub $(format_struct_name(&a.name)): Option<$(funcs.format_output_type(&a.type_))>,
}
});
Some(quote! {
$(for arg in rendered_args join ($['\r']) => $arg)
})
}
fn render_functions(funcs: &CommonFunctions, fields: &Vec<FullTypeFields>) -> Option<rust::Tokens> {
let rendered_functions = fields
.iter()
.map(|f| render_function(funcs, f))
.collect::<Vec<_>>();
if rendered_functions.len() > 0 {
Some(quote! {
$(for func in rendered_functions join ($['\r']) => $func)
})
} else {
None
}
}
fn render_function(funcs: &CommonFunctions, field: &FullTypeFields) -> Option<rust::Tokens> {
Some(quote! {
$(format_function(funcs, field))
})
}

16
crates/dagger-codegen/src/rust/templates/scalar_tmpl.rs Normal file
View File

@ -0,0 +1,16 @@
use dagger_core::introspection::FullType;
use genco::prelude::rust;
use genco::quote;
use crate::rust::functions::format_name;
use crate::utility::OptionExt;
pub fn render_scalar(t: &FullType) -> eyre::Result<rust::Tokens> {
let deserialize = rust::import("serde", "Deserialize");
let serialize = rust::import("serde", "Serialize");
Ok(quote! {
#[derive($serialize, $deserialize)]
pub struct $(t.name.pipe(|n|format_name(n)))(String);
})
}

18
crates/dagger-codegen/src/utility.rs Normal file
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@ -0,0 +1,18 @@
pub trait OptionExt<'t, T: 't> {
fn pipe<U, F>(&'t self, f: F) -> Option<U>
where
F: FnOnce(&'t T) -> U;
}
impl<'t, T: 't> OptionExt<'t, T> for Option<T> {
#[inline]
fn pipe<U, F>(&'t self, f: F) -> Option<U>
where
F: FnOnce(&'t T) -> U,
{
match *self {
Some(ref x) => Some(f(x)),
None => None,
}
}
}

106
crates/dagger-codegen/src/visitor.rs Normal file
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@ -0,0 +1,106 @@
use std::sync::Arc;
use dagger_core::introspection::{FullType, Schema, __TypeKind};
use itertools::Itertools;
pub struct Visitor {
pub schema: Schema,
pub handlers: VisitHandlers,
}
pub type VisitFunc = Arc<dyn Fn(&FullType) -> eyre::Result<()>>;
pub struct VisitHandlers {
pub visit_scalar: VisitFunc,
pub visit_object: VisitFunc,
pub visit_input: VisitFunc,
pub visit_enum: VisitFunc,
}
struct SequenceItem {
kind: __TypeKind,
handler: VisitFunc,
ignore: Option<Vec<String>>,
}
impl Visitor {
pub fn run(&self) -> eyre::Result<()> {
let sequence = vec![
SequenceItem {
kind: __TypeKind::SCALAR,
handler: self.handlers.visit_scalar.clone(),
ignore: Some(vec![
"String".into(),
"Float".into(),
"Int".into(),
"Boolean".into(),
"DateTime".into(),
"ID".into(),
]),
},
SequenceItem {
kind: __TypeKind::INPUT_OBJECT,
handler: self.handlers.visit_input.clone(),
ignore: None,
},
SequenceItem {
kind: __TypeKind::OBJECT,
handler: self.handlers.visit_object.clone(),
ignore: None,
},
SequenceItem {
kind: __TypeKind::ENUM,
handler: self.handlers.visit_enum.clone(),
ignore: None,
},
];
for item in sequence {
self.visit(&item)?;
}
Ok(())
}
fn visit(&self, item: &SequenceItem) -> eyre::Result<()> {
self.schema
.types
.as_ref()
.unwrap()
.into_iter()
.map(|t| t.as_ref().unwrap())
.filter(|t| match t.full_type.kind.as_ref().unwrap() == &item.kind {
true => match (item.ignore.as_ref(), t.full_type.name.as_ref()) {
(Some(ignore), Some(name)) => {
if name.starts_with("__") {
return false;
}
if ignore.contains(name) {
return false;
}
return true;
}
(None, Some(name)) => {
if name.starts_with("__") {
return false;
}
return true;
}
_ => false,
},
false => false,
})
.sorted_by(|a, b| {
a.full_type
.name
.as_ref()
.unwrap()
.cmp(&b.full_type.name.as_ref().unwrap())
})
.map(|t| (*item.handler)(&t.full_type))
.collect::<eyre::Result<Vec<_>>>()?;
Ok(())
}
}

3
crates/dagger-core/src/introspection.rs
View File

@ -161,6 +161,9 @@ pub struct FullTypeFields {
pub type_: Option<FullTypeFieldsType>,
pub is_deprecated: Option<bool>,
pub deprecation_reason: Option<String>,
#[serde(skip)]
pub parent_type: Option<FullType>,
}
#[derive(Clone, Debug, Deserialize)]

1947
crates/dagger-sdk/src/gen.rs
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File diff suppressed because it is too large Load Diff

19
crates/dagger-sdk/tests/mod.rs
View File

@ -1,20 +1,21 @@
use dagger_sdk::client::connect;
use dagger_sdk::gen::ContainerExecOpts;
#[test]
fn test_example_container() {
let client = connect().unwrap();
let alpine = client.container(None, None).from("alpine:3.16.2".into());
let alpine = client.container(None).from("alpine:3.16.2".into());
let out = alpine
.exec(
Some(vec!["cat".into(), "/etc/alpine-release".into()]),
None,
None,
None,
None,
)
.exec(Some(ContainerExecOpts {
args: Some(vec!["cat".into(), "/etc/alpine-release".into()]),
stdin: None,
redirect_stdout: None,
redirect_stderr: None,
experimental_privileged_nesting: None,
}))
.stdout();
assert_eq!(out, Some("3.16.2\n".to_string()))
assert_eq!(out, "3.16.2\n".to_string())
}

9
src/cli_generate.rs
View File

@ -1,7 +1,9 @@
use std::io::Write;
use std::sync::Arc;
use clap::{Arg, ArgMatches};
use dagger_codegen::codegen::CodeGeneration;
use dagger_codegen::generate;
use dagger_codegen::rust::RustGenerator;
use dagger_core::config::Config;
use dagger_core::engine::Engine;
use dagger_core::session::Session;
@ -21,7 +23,10 @@ impl GenerateCommand {
let session = Session::new();
let req = session.start(&cfg, &conn)?;
let schema = session.schema(req)?;
let code = CodeGeneration::new().generate(&schema)?;
let code = generate(
schema.into_schema().schema.unwrap(),
Arc::new(RustGenerator {}),
)?;
if let Some(output) = arg_matches.get_one::<String>("output") {
let mut file = std::fs::File::create(output)?;