rustwasm/wasm-bindgen
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Only derive extra traits when the extra-traits feature is enabled

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This commit is contained in:
Nick Fitzgerald 2018-05-29 11:24:40 -07:00
parent 07d5afa268
commit 6885ea073e
3 changed files with 20 additions and 17 deletions
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3
crates/backend/Cargo.toml
View File

@ -12,10 +12,11 @@ Backend code generation of the wasm-bindgen tool
[features] [features]
spans = ["proc-macro2/nightly"] spans = ["proc-macro2/nightly"]
extra-traits = ["syn/extra-traits"]
[dependencies] [dependencies]
quote = '0.6' quote = '0.6'
proc-macro2 = "0.4" proc-macro2 = "0.4"
wasm-bindgen-shared = { path = "../shared", version = "=0.2.11" } wasm-bindgen-shared = { path = "../shared", version = "=0.2.11" }
syn = { version = '0.14', features = ['extra-traits', 'full', 'visit-mut'] } syn = { version = '0.14', features = ['full', 'visit-mut'] }
serde_json = "1.0" serde_json = "1.0"

32
crates/backend/src/ast.rs
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@ -3,7 +3,8 @@ use quote::ToTokens;
use shared; use shared;
use syn; use syn;
#[derive(Debug, Default, PartialEq, Eq)] #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]
#[derive(Default)]
pub struct Program { pub struct Program {
pub exports: Vec<Export>, pub exports: Vec<Export>,
pub imports: Vec<Import>, pub imports: Vec<Import>,
@ -11,7 +12,7 @@ pub struct Program {
pub structs: Vec<Struct>, pub structs: Vec<Struct>,
} }
#[derive(Debug, PartialEq, Eq)] #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]
pub struct Export { pub struct Export {
pub class: Option<Ident>, pub class: Option<Ident>,
pub method: bool, pub method: bool,
@ -20,7 +21,7 @@ pub struct Export {
pub function: Function, pub function: Function,
} }
#[derive(Debug, PartialEq, Eq)] #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]
pub struct Import { pub struct Import {
pub module: Option<String>, pub module: Option<String>,
pub version: Option<String>, pub version: Option<String>,
@ -28,14 +29,14 @@ pub struct Import {
pub kind: ImportKind, pub kind: ImportKind,
} }
#[derive(Debug, PartialEq, Eq)] #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]
pub enum ImportKind { pub enum ImportKind {
Function(ImportFunction), Function(ImportFunction),
Static(ImportStatic), Static(ImportStatic),
Type(ImportType), Type(ImportType),
} }
#[derive(Debug, PartialEq, Eq)] #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]
pub struct ImportFunction { pub struct ImportFunction {
pub function: Function, pub function: Function,
pub rust_name: Ident, pub rust_name: Ident,
@ -43,14 +44,14 @@ pub struct ImportFunction {
pub shim: Ident, pub shim: Ident,
} }
#[derive(Debug, PartialEq, Eq)] #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]
pub enum ImportFunctionKind { pub enum ImportFunctionKind {
Method { class: String, ty: syn::Type }, Method { class: String, ty: syn::Type },
JsConstructor { class: String, ty: syn::Type }, JsConstructor { class: String, ty: syn::Type },
Normal, Normal,
} }
#[derive(Debug, PartialEq, Eq)] #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]
pub struct ImportStatic { pub struct ImportStatic {
pub vis: syn::Visibility, pub vis: syn::Visibility,
pub ty: syn::Type, pub ty: syn::Type,
@ -59,13 +60,13 @@ pub struct ImportStatic {
pub js_name: Ident, pub js_name: Ident,
} }
#[derive(Debug, PartialEq, Eq)] #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]
pub struct ImportType { pub struct ImportType {
pub vis: syn::Visibility, pub vis: syn::Visibility,
pub name: Ident, pub name: Ident,
} }
#[derive(Debug, PartialEq, Eq)] #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]
pub struct Function { pub struct Function {
pub name: Ident, pub name: Ident,
pub arguments: Vec<syn::Type>, pub arguments: Vec<syn::Type>,
@ -76,13 +77,13 @@ pub struct Function {
pub rust_vis: syn::Visibility, pub rust_vis: syn::Visibility,
} }
#[derive(Debug, PartialEq, Eq)] #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]
pub struct Struct { pub struct Struct {
pub name: Ident, pub name: Ident,
pub fields: Vec<StructField>, pub fields: Vec<StructField>,
} }
#[derive(Debug, PartialEq, Eq)] #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]
pub struct StructField { pub struct StructField {
pub opts: BindgenAttrs, pub opts: BindgenAttrs,
pub name: Ident, pub name: Ident,
@ -92,13 +93,13 @@ pub struct StructField {
pub setter: Ident, pub setter: Ident,
} }
#[derive(Debug, PartialEq, Eq)] #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]
pub struct Enum { pub struct Enum {
pub name: Ident, pub name: Ident,
pub variants: Vec<Variant>, pub variants: Vec<Variant>,
} }
#[derive(Debug, PartialEq, Eq)] #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]
pub struct Variant { pub struct Variant {
pub name: Ident, pub name: Ident,
pub value: u32, pub value: u32,
@ -769,7 +770,8 @@ impl StructField {
} }
} }
#[derive(Debug, Default, PartialEq, Eq)] #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]
#[derive(Default)]
pub struct BindgenAttrs { pub struct BindgenAttrs {
attrs: Vec<BindgenAttr>, attrs: Vec<BindgenAttr>,
} }
@ -930,7 +932,7 @@ impl syn::synom::Synom for BindgenAttrs {
)); ));
} }
#[derive(Debug, PartialEq, Eq)] #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]
enum BindgenAttr { enum BindgenAttr {
Catch, Catch,
Constructor, Constructor,

2
crates/backend/src/lib.rs
View File

@ -1,5 +1,5 @@
#![recursion_limit = "256"] #![recursion_limit = "256"]
#![deny(missing_debug_implementations)] #![cfg_attr(feature = "extra-traits", deny(missing_debug_implementations))]
extern crate proc_macro2; extern crate proc_macro2;
#[macro_use] #[macro_use]