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use super::error::{GenError, GenResult};
use super::*;
impl Codegen {
pub(super) fn generate_props(&self, props: &[IrNode]) -> GenResult<TokenStream> {
let mut props_code: Vec<TokenStream> = Vec::new();
for p in props {
if let Some(code) = self.generate_prop(p)? {
props_code.push(code);
}
}
Ok(quote! { vec![#(#props_code),*] })
}
pub(super) fn generate_prop(&self, node: &IrNode) -> GenResult<Option<TokenStream>> {
match node {
IrNode::KeyValueProp { key, value, .. } => {
let key_code = self.generate_prop_name(key)?;
let value_code = self.generate_expr(value)?;
Ok(Some(quote! {
macroforge_ts::swc_core::ecma::ast::PropOrSpread::Prop(Box::new(
macroforge_ts::swc_core::ecma::ast::Prop::KeyValue(
macroforge_ts::swc_core::ecma::ast::KeyValueProp {
key: #key_code,
value: Box::new(#value_code),
}
)
))
}))
}
IrNode::ShorthandProp { key, .. } => {
let key_code = self.generate_ident(key)?;
Ok(Some(quote! {
macroforge_ts::swc_core::ecma::ast::PropOrSpread::Prop(Box::new(
macroforge_ts::swc_core::ecma::ast::Prop::Shorthand(#key_code)
))
}))
}
IrNode::SpreadElement { expr, .. } => {
let expr_code = self.generate_expr(expr)?;
Ok(Some(quote! {
macroforge_ts::swc_core::ecma::ast::PropOrSpread::Spread(
macroforge_ts::swc_core::ecma::ast::SpreadElement {
dot3_token: macroforge_ts::swc_core::common::DUMMY_SP,
expr: Box::new(#expr_code),
}
)
}))
}
// Method property: `name() { }`
IrNode::MethodProp {
async_,
generator,
name,
type_params,
params,
return_type,
body,
..
} => {
let key_code = self.generate_prop_name(name)?;
let params_code = self.generate_params(params)?;
let body_code = self.generate_block_stmt(body)?;
let type_params_code = match type_params {
Some(tp) => {
let tpc = self.generate_type_params(tp)?;
quote! { Some(Box::new(#tpc)) }
}
None => quote! { None },
};
let return_type_code = match return_type {
Some(t) => {
let tc = self.generate_type_ann(t)?;
quote! { Some(Box::new(#tc)) }
}
None => quote! { None },
};
Ok(Some(quote! {
macroforge_ts::swc_core::ecma::ast::PropOrSpread::Prop(Box::new(
macroforge_ts::swc_core::ecma::ast::Prop::Method(
macroforge_ts::swc_core::ecma::ast::MethodProp {
key: #key_code,
function: Box::new(macroforge_ts::swc_core::ecma::ast::Function {
params: #params_code,
decorators: vec![],
span: macroforge_ts::swc_core::common::DUMMY_SP,
ctxt: macroforge_ts::swc_core::common::SyntaxContext::empty(),
body: Some(#body_code),
is_generator: #generator,
is_async: #async_,
type_params: #type_params_code,
return_type: #return_type_code,
}),
}
)
))
}))
}
// Getter property: `get name() { }`
IrNode::GetterProp {
name,
type_ann,
body,
..
} => {
let key_code = self.generate_prop_name(name)?;
let body_code = self.generate_block_stmt(body)?;
let type_ann_code = match type_ann {
Some(t) => {
let tc = self.generate_type_ann(t)?;
quote! { Some(Box::new(#tc)) }
}
None => quote! { None },
};
Ok(Some(quote! {
macroforge_ts::swc_core::ecma::ast::PropOrSpread::Prop(Box::new(
macroforge_ts::swc_core::ecma::ast::Prop::Getter(
macroforge_ts::swc_core::ecma::ast::GetterProp {
span: macroforge_ts::swc_core::common::DUMMY_SP,
key: #key_code,
type_ann: #type_ann_code,
body: Some(#body_code),
}
)
))
}))
}
// Setter property: `set name(param) { }`
IrNode::SetterProp {
name, param, body, ..
} => {
let key_code = self.generate_prop_name(name)?;
let param_code = self.generate_param(param)?;
let body_code = self.generate_block_stmt(body)?;
Ok(Some(quote! {
macroforge_ts::swc_core::ecma::ast::PropOrSpread::Prop(Box::new(
macroforge_ts::swc_core::ecma::ast::Prop::Setter(
macroforge_ts::swc_core::ecma::ast::SetterProp {
span: macroforge_ts::swc_core::common::DUMMY_SP,
key: #key_code,
this_param: None,
param: #param_code,
body: Some(#body_code),
}
)
))
}))
}
// For control flow in object literals - handled at higher level
IrNode::If { .. } | IrNode::For { .. } => Ok(None),
_ => Ok(None),
}
}
pub(super) fn generate_prop_name(&self, node: &IrNode) -> GenResult<TokenStream> {
match node {
IrNode::Ident { value: name, .. } => Ok(quote! {
macroforge_ts::swc_core::ecma::ast::PropName::Ident(
macroforge_ts::swc_core::ecma::ast::IdentName::new(
#name.into(),
macroforge_ts::swc_core::common::DUMMY_SP,
)
)
}),
IrNode::StrLit { value, .. } => Ok(quote! {
macroforge_ts::swc_core::ecma::ast::PropName::Str(
macroforge_ts::swc_core::ecma::ast::Str {
span: macroforge_ts::swc_core::common::DUMMY_SP,
value: #value.into(),
raw: None,
}
)
}),
IrNode::ComputedPropName { expr, .. } => {
let expr_code = self.generate_expr(expr)?;
Ok(quote! {
macroforge_ts::swc_core::ecma::ast::PropName::Computed(
macroforge_ts::swc_core::ecma::ast::ComputedPropName {
span: macroforge_ts::swc_core::common::DUMMY_SP,
expr: Box::new(#expr_code),
}
)
})
}
// Handle all placeholder kinds in property key position
// Ident kind uses ToTsIdent directly
IrNode::Placeholder {
kind: PlaceholderKind::Ident,
expr,
..
} => Ok(quote! {
macroforge_ts::swc_core::ecma::ast::PropName::Ident({
let __ident = macroforge_ts::ts_syn::ToTsIdent::to_ts_ident((#expr).clone());
macroforge_ts::swc_core::ecma::ast::IdentName::new(
__ident.sym,
__ident.span,
)
})
}),
// Expr kind in property position: use computed property with the expression
IrNode::Placeholder {
kind: PlaceholderKind::Expr,
expr,
..
} => Ok(quote! {
macroforge_ts::swc_core::ecma::ast::PropName::Computed(
macroforge_ts::swc_core::ecma::ast::ComputedPropName {
span: macroforge_ts::swc_core::common::DUMMY_SP,
expr: Box::new(macroforge_ts::ts_syn::ToTsExpr::to_ts_expr((#expr).clone())),
}
)
}),
// Type placeholder shouldn't appear in property key position - error
IrNode::Placeholder {
kind: PlaceholderKind::Type,
..
} => Err(GenError::invalid_placeholder(
"property name",
"Type",
&["Ident", "Expr"],
)),
// Stmt placeholder also shouldn't be in property key position - error
IrNode::Placeholder {
kind: PlaceholderKind::Stmt,
..
} => Err(GenError::invalid_placeholder(
"property name",
"Stmt",
&["Ident", "Expr"],
)),
_ => Err(GenError::unexpected_node(
"property name",
node,
&[
"Ident",
"StrLit",
"ComputedPropName",
"Placeholder(Ident)",
"Placeholder(Expr)",
],
)),
}
}
}