test
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54a61d9865
commit
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2 changed files with 63 additions and 35 deletions
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@ -1,5 +1,7 @@
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#[macro_use] extern crate quote;
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#[macro_use] extern crate maplit;
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#[macro_use]
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extern crate quote;
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#[macro_use]
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extern crate maplit;
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extern crate proc_macro;
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use std::collections::{HashMap, HashSet};
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@ -7,7 +9,7 @@ use std::collections::{HashMap, HashSet};
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use petgraph::{dot::Dot, graph::Graph, graphmap::DiGraphMap};
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use proc_macro2::{Span, TokenStream, TokenTree};
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use quote::ToTokens;
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use syn::{Expr, ExprPath, Ident, Path, PathSegment, PathArguments, punctuated::Punctuated};
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use syn::{punctuated::Punctuated, Expr, ExprPath, Ident, Path, PathArguments, PathSegment};
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#[derive(Debug, PartialEq, Eq, Hash)]
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enum TagLhs {
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@ -28,7 +30,6 @@ enum Rsx {
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Tag(Tag),
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Code(Expr),
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Text(String),
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// For(String, String, Vec<Rsx>),
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}
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@ -71,11 +72,11 @@ impl Visitor {
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model: HashMap::new(),
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}
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}
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fn load_model(&mut self, model: &HashMap<String, String>) {
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self.model.extend(model.clone());
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}
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fn unique_name(&mut self, base: impl AsRef<str>) -> String {
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// TODO: normalize the name somehow so it fits in an ident (ex. strip punct)
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let base = base.as_ref();
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@ -83,7 +84,7 @@ impl Visitor {
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self.idx += 1;
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format!("{}_{}", base, next)
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}
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fn unique_idx(&mut self, node: DepNode) -> u32 {
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let next = self.idx;
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self.idx += 1;
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@ -119,13 +120,13 @@ impl Visitor {
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fn extract_model_dependencies(expr: &Expr) -> HashSet<String> {
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let tokens = expr.to_token_stream();
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let mut result = HashSet::new();
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for token in tokens.into_iter() {
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if let TokenTree::Ident(ident) = token {
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result.insert(format!("{}", ident));
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}
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}
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result
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}
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@ -137,39 +138,27 @@ pub fn example(input_tokens: proc_macro::TokenStream) -> proc_macro::TokenStream
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"name".into() => "String".into(),
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};
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let todomvc_datainit: HashMap<String, String> = hashmap! {
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"name".into() => "\"world\".into()".into(),
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};
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let todomvc_dom = vec![
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Rsx::Tag(Tag {
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tag: "input".into(),
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attrs: hashmap! {
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TagLhs::Bind("value".into()) => "name".into(),
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TagLhs::Bind("value".into()) => "name".into(),
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},
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..Tag::default()
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}),
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Rsx::Text("Hello, ".into()),
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Rsx::Code(Expr::Path(ExprPath {
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attrs: vec![],
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qself: None,
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path: Path {
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leading_colon: None,
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segments: {
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let mut segments = Punctuated::new();
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let ident = Ident::new("name", Span::call_site());
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let arguments = PathArguments::None;
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segments.push(PathSegment {
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ident,
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arguments,
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});
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segments
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},
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},
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})),
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Rsx::Code(syn::parse_str::<Expr>("name").unwrap()),
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Rsx::Text("!".into()),
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];
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let mut visitor = Visitor::new();
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visitor.load_model(&todomvc_datamodel);
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visitor.visit(&todomvc_dom);
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println!("{:?}", visitor);
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println!("DOT:");
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let graph: Graph<_, _, _> = visitor.deps.0.clone().into_graph();
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@ -177,19 +166,34 @@ pub fn example(input_tokens: proc_macro::TokenStream) -> proc_macro::TokenStream
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let name = format_ident!("{}", todomvc_name);
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let mut model = TokenStream::new();
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let mut init = TokenStream::new();
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for (name, ty) in visitor.model {
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let name = format_ident!("{}", name);
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// TODO: parse this into an actual expression tree for Vec<T>
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let ty = format_ident!("{}", ty);
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model.extend(quote!{ #name : #ty , });
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model.extend(quote! { #name : #ty , });
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}
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for (name, value) in todomvc_datainit {
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let name = format_ident!("{}", name);
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let value = syn::parse_str::<Expr>(&value).unwrap();
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init.extend(quote! { #name : #value , });
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}
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let result = quote! {
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struct #name {
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#model
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}
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impl #name {
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fn new() -> Self {
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#name {
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#init
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}
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}
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}
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impl crate::Component for #name {
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fn initialize(&self, el: &crate::Element) {
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}
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}
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};
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30
src/main.rs
30
src/main.rs
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#[macro_use] extern crate enterprise_compiler;
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#[macro_use]
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extern crate enterprise_compiler;
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#[macro_use]
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extern crate stdweb;
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use stdweb::web::{document, Element, INonElementParentNode};
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trait Component {
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fn initialize(&self, element: &Element);
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}
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example!();
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fn main() {
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fn render<C: Component>(component: &C, id: impl AsRef<str>) {
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let id = id.as_ref();
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if let Some(el) = document().get_element_by_id(id) {
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component.initialize(&el);
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}
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}
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fn main() {
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stdweb::initialize();
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let todomvc = TodoMVC::new();
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render(&todomvc, "");
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let message = "Hello world!";
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js! { console.log(@{message}); }
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stdweb::event_loop();
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}
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