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Preserve span information for fields.

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This commit is contained in:
Jimmy Cuadra 2018-05-13 00:19:37 -07:00
parent c86cdb29b3
commit f6b6c94675
2 changed files with 40 additions and 15 deletions
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27
src/api/request.rs
View File

@ -1,4 +1,5 @@
use quote::{ToTokens, Tokens};
use syn::spanned::Spanned;
use syn::{Field, Meta, NestedMeta};
use api::strip_serde_attrs;
@ -54,8 +55,9 @@ impl Request {
for field in self.fields.iter().flat_map(|f| f.field_(request_field_kind)) {
let field_name = field.ident.expect("expected field to have an identifier");
let span = field.span();
tokens.append_all(quote! {
tokens.append_all(quote_spanned! {span=>
#field_name: request.#field_name,
});
}
@ -146,7 +148,12 @@ impl ToTokens for Request {
tokens.append_all("{".into_tokens());
for request_field in self.fields.iter() {
strip_serde_attrs(request_field.field()).to_tokens(&mut tokens);
let field = request_field.field();
let span = field.span();
strip_serde_attrs(field).to_tokens(&mut tokens);
tokens.append_all(quote_spanned!(span=> #field));
tokens.append_all(",".into_tokens());
}
@ -156,9 +163,10 @@ impl ToTokens for Request {
if let Some(newtype_body_field) = self.newtype_body_field() {
let mut field = newtype_body_field.clone();
let ty = field.ty;
let ty = &field.ty;
let span = field.span();
tokens.append_all(quote! {
tokens.append_all(quote_spanned! {span=>
/// Data in the request body.
#[derive(Debug, Serialize)]
struct RequestBody(#ty);
@ -175,7 +183,8 @@ impl ToTokens for Request {
for request_field in self.fields.iter() {
match *request_field {
RequestField::Body(ref field) => {
field.to_tokens(&mut tokens);
let span = field.span();
tokens.append_all(quote_spanned!(span=> #field));
tokens.append_all(",".into_tokens());
}
@ -198,7 +207,9 @@ impl ToTokens for Request {
for request_field in self.fields.iter() {
match *request_field {
RequestField::Path(ref field) => {
field.to_tokens(&mut tokens);
let span = field.span();
tokens.append_all(quote_spanned!(span=> #field));
tokens.append_all(",".into_tokens());
}
@ -221,7 +232,9 @@ impl ToTokens for Request {
for request_field in self.fields.iter() {
match *request_field {
RequestField::Query(ref field) => {
field.to_tokens(&mut tokens);
let span = field.span();
tokens.append_all(quote_spanned!(span=> #field));
tokens.append_all(",".into_tokens());
}

28
src/api/response.rs
View File

@ -1,4 +1,5 @@
use quote::{ToTokens, Tokens};
use syn::spanned::Spanned;
use syn::{Field, Meta, NestedMeta};
use api::strip_serde_attrs;
@ -27,24 +28,27 @@ impl Response {
match *response_field {
ResponseField::Body(ref field) => {
let field_name = field.ident.expect("expected field to have an identifier");
let span = field.span();
tokens.append_all(quote! {
tokens.append_all(quote_spanned! {span=>
#field_name: response_body.#field_name,
});
}
ResponseField::Header(ref field) => {
let field_name = field.ident.expect("expected field to have an identifier");
let field_type = &field.ty;
let span = field.span();
tokens.append_all(quote! {
tokens.append_all(quote_spanned! {span=>
#field_name: headers.remove::<#field_type>()
.expect("missing expected request header"),
});
}
ResponseField::NewtypeBody(ref field) => {
let field_name = field.ident.expect("expected field to have an identifier");
let span = field.span();
tokens.append_all(quote! {
tokens.append_all(quote_spanned! {span=>
#field_name: response_body,
});
}
@ -140,7 +144,7 @@ impl From<Vec<Field>> for Response {
}
impl ToTokens for Response {
fn to_tokens(&self, mut tokens: &mut Tokens) {
fn to_tokens(&self, tokens: &mut Tokens) {
tokens.append_all(quote! {
/// Data in the response from this API endpoint.
#[derive(Debug)]
@ -153,7 +157,12 @@ impl ToTokens for Response {
tokens.append_all("{".into_tokens());
for response_field in self.fields.iter() {
strip_serde_attrs(response_field.field()).to_tokens(&mut tokens);
let field = response_field.field();
let span = field.span();
strip_serde_attrs(field);
tokens.append_all(quote_spanned!(span=> #field));
tokens.append_all(",".into_tokens());
}
@ -163,9 +172,10 @@ impl ToTokens for Response {
if let Some(newtype_body_field) = self.newtype_body_field() {
let mut field = newtype_body_field.clone();
let ty = field.ty;
let ty = &field.ty;
let span = field.span();
tokens.append_all(quote! {
tokens.append_all(quote_spanned! {span=>
/// Data in the response body.
#[derive(Debug, Deserialize)]
struct ResponseBody(#ty);
@ -182,7 +192,9 @@ impl ToTokens for Response {
for response_field in self.fields.iter() {
match *response_field {
ResponseField::Body(ref field) => {
field.to_tokens(&mut tokens);
let span = field.span();
tokens.append_all(quote_spanned!(span=> #field));
tokens.append_all(",".into_tokens());
}