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refactor(hydroflow_plus): move
HfCompiled and friends to a module (#…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| use std::collections::BTreeMap; | ||
| use std::marker::PhantomData; | ||
|
|
||
| use hydroflow::scheduled::graph::Hydroflow; | ||
| use hydroflow_lang::graph::{partition_graph, HydroflowGraph}; | ||
| use proc_macro2::TokenStream; | ||
| use quote::quote; | ||
| use stageleft::runtime_support::FreeVariable; | ||
| use stageleft::Quoted; | ||
|
|
||
| pub struct HfCompiled<'a, ID> { | ||
| pub(super) hydroflow_ir: BTreeMap<usize, HydroflowGraph>, | ||
| pub(super) extra_stmts: BTreeMap<usize, Vec<syn::Stmt>>, | ||
| pub(super) _phantom: PhantomData<&'a mut &'a ID>, | ||
| } | ||
|
|
||
| impl<ID> HfCompiled<'_, ID> { | ||
| pub fn hydroflow_ir(&self) -> &BTreeMap<usize, HydroflowGraph> { | ||
| &self.hydroflow_ir | ||
| } | ||
|
|
||
| pub fn take_ir(self) -> BTreeMap<usize, HydroflowGraph> { | ||
| self.hydroflow_ir | ||
| } | ||
| } | ||
|
|
||
| impl<'a> HfCompiled<'a, usize> { | ||
| pub fn with_dynamic_id(self, id: impl Quoted<'a, usize>) -> HfBuiltWithId<'a> { | ||
| let hydroflow_crate = proc_macro_crate::crate_name("hydroflow_plus") | ||
| .expect("hydroflow_plus should be present in `Cargo.toml`"); | ||
| let root = match hydroflow_crate { | ||
| proc_macro_crate::FoundCrate::Itself => quote! { hydroflow_plus }, | ||
| proc_macro_crate::FoundCrate::Name(name) => { | ||
| let ident = syn::Ident::new(&name, proc_macro2::Span::call_site()); | ||
| quote! { #ident } | ||
| } | ||
| }; | ||
|
|
||
| let mut conditioned_tokens = None; | ||
| for (subgraph_id, flat_graph) in self.hydroflow_ir { | ||
| let partitioned_graph = | ||
| partition_graph(flat_graph).expect("Failed to partition (cycle detected)."); | ||
|
|
||
| let mut diagnostics = Vec::new(); | ||
| let tokens = partitioned_graph.as_code(&root, true, quote::quote!(), &mut diagnostics); | ||
| let my_extra_stmts = self | ||
| .extra_stmts | ||
| .get(&subgraph_id) | ||
| .cloned() | ||
| .unwrap_or_default(); | ||
|
|
||
| if let Some(conditioned_tokens) = conditioned_tokens.as_mut() { | ||
| *conditioned_tokens = syn::parse_quote! { | ||
| #conditioned_tokens else if __given_id == #subgraph_id { | ||
| #(#my_extra_stmts)* | ||
| #tokens | ||
| } | ||
| }; | ||
| } else { | ||
| conditioned_tokens = Some(syn::parse_quote! { | ||
| if __given_id == #subgraph_id { | ||
| #(#my_extra_stmts)* | ||
| #tokens | ||
| } | ||
| }); | ||
| } | ||
| } | ||
|
|
||
| let conditioned_tokens: TokenStream = conditioned_tokens.unwrap(); | ||
| let id = id.splice_untyped(); | ||
| HfBuiltWithId { | ||
| tokens: syn::parse_quote!({ | ||
| let __given_id = #id; | ||
| #conditioned_tokens else { | ||
| panic!("Invalid node id: {}", __given_id); | ||
| } | ||
| }), | ||
| _phantom: PhantomData, | ||
| } | ||
| } | ||
| } | ||
|
|
||
| impl<'a> Quoted<'a, Hydroflow<'a>> for HfCompiled<'a, ()> {} | ||
|
|
||
| impl<'a> FreeVariable<Hydroflow<'a>> for HfCompiled<'a, ()> { | ||
| fn to_tokens(mut self) -> (Option<TokenStream>, Option<TokenStream>) { | ||
| let hydroflow_crate = proc_macro_crate::crate_name("hydroflow_plus") | ||
| .expect("hydroflow_plus should be present in `Cargo.toml`"); | ||
| let root = match hydroflow_crate { | ||
| proc_macro_crate::FoundCrate::Itself => quote! { hydroflow_plus }, | ||
| proc_macro_crate::FoundCrate::Name(name) => { | ||
| let ident = syn::Ident::new(&name, proc_macro2::Span::call_site()); | ||
| quote! { #ident } | ||
| } | ||
| }; | ||
|
|
||
| if self.hydroflow_ir.len() != 1 { | ||
| panic!("Expected exactly one subgraph in the Hydroflow IR"); | ||
| } | ||
|
|
||
| let flat_graph = self.hydroflow_ir.remove(&0).unwrap(); | ||
| let partitioned_graph = | ||
| partition_graph(flat_graph).expect("Failed to partition (cycle detected)."); | ||
|
|
||
| let mut diagnostics = Vec::new(); | ||
| let tokens = partitioned_graph.as_code(&root, true, quote::quote!(), &mut diagnostics); | ||
|
|
||
| (None, Some(tokens)) | ||
| } | ||
| } | ||
|
|
||
| pub struct HfBuiltWithId<'a> { | ||
| tokens: TokenStream, | ||
| _phantom: PhantomData<&'a mut &'a ()>, | ||
| } | ||
|
|
||
| impl<'a> Quoted<'a, Hydroflow<'a>> for HfBuiltWithId<'a> {} | ||
|
|
||
| impl<'a> FreeVariable<Hydroflow<'a>> for HfBuiltWithId<'a> { | ||
| fn to_tokens(self) -> (Option<TokenStream>, Option<TokenStream>) { | ||
| (None, Some(self.tokens)) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| use std::marker::PhantomData; | ||
|
|
||
| use hydroflow::scheduled::context::Context; | ||
| use proc_macro2::TokenStream; | ||
| use quote::quote; | ||
| use stageleft::runtime_support::FreeVariable; | ||
|
|
||
| #[derive(Clone)] | ||
| pub struct RuntimeContext<'a> { | ||
| _phantom: PhantomData<&'a mut &'a ()>, | ||
| } | ||
|
|
||
| impl RuntimeContext<'_> { | ||
| pub fn new() -> Self { | ||
| Self { | ||
| _phantom: PhantomData, | ||
| } | ||
| } | ||
| } | ||
|
|
||
| impl Copy for RuntimeContext<'_> {} | ||
|
|
||
| impl Default for RuntimeContext<'_> { | ||
| fn default() -> Self { | ||
| Self::new() | ||
| } | ||
| } | ||
|
|
||
| impl<'a> FreeVariable<&'a Context> for RuntimeContext<'a> { | ||
| fn to_tokens(self) -> (Option<TokenStream>, Option<TokenStream>) { | ||
| (None, Some(quote!(&context))) | ||
| } | ||
| } |