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6 Commits
deec008c66
...
581886835a
Author | SHA1 | Date |
---|---|---|
Tony Garnock-Jones | 581886835a | |
Tony Garnock-Jones | dcb1aec142 | |
Tony Garnock-Jones | c0239cf322 | |
Tony Garnock-Jones | 9cc4175f24 | |
Tony Garnock-Jones | 70f42dd931 | |
Tony Garnock-Jones | ef1ebe6412 |
|
@ -36,7 +36,7 @@ enum SymbolVariant<'a> {
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fn compile_sequence_members(vs: &[IOValue]) -> Vec<TokenStream> {
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vs.iter().enumerate().map(|(i, f)| {
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let p = compile_pattern(f);
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quote!((#i .into(), #p))
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quote!((syndicate::value::Value::from(#i).wrap(), #p))
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}).collect::<Vec<_>>()
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}
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@ -151,16 +151,14 @@ fn compile_pattern(v: &IOValue) -> TokenStream {
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#[allow(non_snake_case)]
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let V_: TokenStream = quote!(syndicate::value);
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#[allow(non_snake_case)]
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let MapFromIterator_: TokenStream = quote!(<#V_::Map<_, _> as std::iter::FromIterator<_>>::from_iter);
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let MapFrom_: TokenStream = quote!(<#V_::Map<_, _>>::from);
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match v.value() {
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Value::Symbol(s) => match analyze_symbol(&s, true) {
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SymbolVariant::Binder(_) =>
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quote!(#P_::Pattern::DBind(Box::new(#P_::DBind {
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pattern: #P_::Pattern::DDiscard(Box::new(#P_::DDiscard))
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}))),
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quote!(#P_::Pattern::Bind{ pattern: Box::new(#P_::Pattern::Discard) }),
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SymbolVariant::Discard =>
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quote!(#P_::Pattern::DDiscard(Box::new(#P_::DDiscard))),
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quote!(#P_::Pattern::Discard),
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SymbolVariant::Substitution(s) =>
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lit(Ident::new(s, Span::call_site())),
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SymbolVariant::Normal(_) =>
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@ -172,9 +170,7 @@ fn compile_pattern(v: &IOValue) -> TokenStream {
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Some(label) =>
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if label.starts_with("$") && r.arity() == 1 {
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let nested = compile_pattern(&r.fields()[0]);
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quote!(#P_::Pattern::DBind(Box::new(#P_::DBind {
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pattern: #nested
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})))
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quote!(#P_::Pattern::Bind{ pattern: Box::new(#nested) })
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} else {
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let label_stx = if label.starts_with("=") {
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let id = Ident::new(&label[1..], Span::call_site());
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@ -183,18 +179,19 @@ fn compile_pattern(v: &IOValue) -> TokenStream {
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quote!(#V_::Value::symbol(#label).wrap())
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};
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let members = compile_sequence_members(r.fields());
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quote!(#P_::Pattern::DCompound(Box::new(#P_::DCompound::Rec {
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label: #label_stx,
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fields: vec![#(#members),*],
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})))
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quote!(#P_::Pattern::Group {
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type_: Box::new(#P_::GroupType::Rec { label: #label_stx }),
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entries: #MapFrom_([#(#members),*]),
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})
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}
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}
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}
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Value::Sequence(vs) => {
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let members = compile_sequence_members(vs);
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quote!(#P_::Pattern::DCompound(Box::new(#P_::DCompound::Arr {
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items: vec![#(#members),*],
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})))
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quote!(#P_::Pattern::Group {
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type_: Box::new(#P_::GroupType::Arr),
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entries: #MapFrom_([#(#members),*]),
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})
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}
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Value::Set(_) =>
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panic!("Cannot match sets in patterns"),
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@ -204,9 +201,10 @@ fn compile_pattern(v: &IOValue) -> TokenStream {
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let v = compile_pattern(v);
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quote!((#k, #v))
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}).collect::<Vec<_>>();
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quote!(#P_::Pattern::DCompound(Box::new(#P_::DCompound::Dict {
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entries: #MapFromIterator_(vec![#(#members),*])
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})))
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quote!(#P_::Pattern::Group {
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type_: Box::new(#P_::GroupType::Dict),
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entries: #MapFrom_([#(#members),*]),
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})
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}
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_ => lit(ValueCompiler::for_patterns().compile(v)),
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}
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@ -15,10 +15,9 @@ pub fn lit<T: ToTokens>(e: T) -> TokenStream2 {
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}
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fn compile_sequence_members(stxs: &Vec<Stx>) -> Result<Vec<TokenStream2>, &'static str> {
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stxs.iter().map(|stx| {
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// let p = to_pattern_expr(stx)?;
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// Ok(quote!(#p))
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to_pattern_expr(stx)
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stxs.iter().enumerate().map(|(i, stx)| {
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let p = to_pattern_expr(stx)?;
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Ok(quote!((syndicate::value::Value::from(#i).wrap(), #p)))
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}).collect()
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}
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@ -28,7 +27,7 @@ pub fn to_pattern_expr(stx: &Stx) -> Result<TokenStream2, &'static str> {
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#[allow(non_snake_case)]
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let V_: TokenStream2 = quote!(syndicate::value);
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#[allow(non_snake_case)]
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let MapFromIterator_: TokenStream2 = quote!(<#V_::Map<_, _> as std::iter::FromIterator<_>>::from_iter);
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let MapFrom_: TokenStream2 = quote!(<#V_::Map<_, _>>::from);
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match stx {
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Stx::Atom(v) =>
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@ -41,26 +40,27 @@ pub fn to_pattern_expr(stx: &Stx) -> Result<TokenStream2, &'static str> {
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None => to_pattern_expr(&Stx::Discard)?,
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}
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};
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Ok(quote!(#P_::Pattern::DBind(Box::new(#P_::DBind { pattern: #inner_pat_expr }))))
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Ok(quote!(#P_::Pattern::Bind { pattern: Box::new(#inner_pat_expr) }))
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}
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Stx::Subst(e) =>
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Ok(lit(e)),
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Stx::Discard =>
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Ok(quote!(#P_::Pattern::DDiscard(Box::new(#P_::DDiscard)))),
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Ok(quote!(#P_::Pattern::Discard)),
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Stx::Rec(l, fs) => {
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let label = to_value_expr(&*l)?;
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let members = compile_sequence_members(fs)?;
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Ok(quote!(#P_::Pattern::DCompound(Box::new(#P_::DCompound::Rec {
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label: #label,
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fields: vec![#(#members),*],
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}))))
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Ok(quote!(#P_::Pattern::Group {
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type_: Box::new(#P_::GroupType::Rec { label: #label }),
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entries: #MapFrom_([#(#members),*]),
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}))
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},
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Stx::Seq(stxs) => {
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let members = compile_sequence_members(stxs)?;
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Ok(quote!(#P_::Pattern::DCompound(Box::new(#P_::DCompound::Arr {
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items: vec![#(#members),*],
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}))))
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Ok(quote!(#P_::Pattern::Group {
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type_: Box::new(#P_::GroupType::Arr),
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entries: #MapFrom_([#(#members),*]),
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}))
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}
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Stx::Set(_stxs) =>
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Err("Set literals not supported in patterns"),
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@ -70,9 +70,10 @@ pub fn to_pattern_expr(stx: &Stx) -> Result<TokenStream2, &'static str> {
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let v = to_pattern_expr(v)?;
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Ok(quote!((#k, #v)))
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}).collect::<Result<Vec<_>, &'static str>>()?;
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Ok(quote!(#P_::Pattern::DCompound(Box::new(#P_::DCompound::Dict {
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entries: #MapFromIterator_(vec![#(#members),*])
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}))))
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Ok(quote!(#P_::Pattern::Group {
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type_: Box::new(#P_::GroupType::Dict),
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entries: #MapFrom_([#(#members),*])
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}))
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}
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}
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}
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@ -0,0 +1,15 @@
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{
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"folders": [
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{
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"path": "."
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},
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{
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"path": "../syndicate-protocols"
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}
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],
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"settings": {
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"files.exclude": {
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"target": true
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}
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}
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}
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@ -61,7 +61,7 @@ impl Plugin for PatternPlugin {
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}
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fn discard() -> P::Pattern {
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P::Pattern::DDiscard(Box::new(P::DDiscard))
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P::Pattern::Discard
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}
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trait WildcardPattern {
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@ -94,33 +94,34 @@ fn from_io(v: &IOValue) -> Option<P::_Any> {
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impl WildcardPattern for CompoundPattern {
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fn wc(&self, s: &mut WalkState) -> Option<P::Pattern> {
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match self {
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CompoundPattern::Tuple { patterns } =>
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Some(P::Pattern::DCompound(Box::new(P::DCompound::Arr {
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items: patterns.iter()
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.map(|p| unname(p).wc(s))
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.collect::<Option<Vec<P::Pattern>>>()?,
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}))),
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CompoundPattern::TuplePrefix { .. } =>
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Some(discard()),
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CompoundPattern::Tuple { patterns } |
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CompoundPattern::TuplePrefix { fixed: patterns, .. }=>
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Some(P::Pattern::Group {
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type_: Box::new(P::GroupType::Arr),
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entries: patterns.iter().enumerate()
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.map(|(i, p)| Some((P::_Any::new(i), unname(p).wc(s)?)))
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.collect::<Option<Map<P::_Any, P::Pattern>>>()?,
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}),
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CompoundPattern::Dict { entries } =>
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Some(P::Pattern::DCompound(Box::new(P::DCompound::Dict {
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Some(P::Pattern::Group {
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type_: Box::new(P::GroupType::Dict),
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entries: Map::from_iter(
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entries.0.iter()
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.map(|(k, p)| Some((from_io(k)?, unname_simple(p).wc(s)?)))
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.filter(|e| discard() != e.as_ref().unwrap().1)
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.collect::<Option<Vec<(P::_Any, P::Pattern)>>>()?
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.into_iter()),
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}))),
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}),
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CompoundPattern::Rec { label, fields } => match (unname(label), unname(fields)) {
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(Pattern::SimplePattern(label), Pattern::CompoundPattern(fields)) =>
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match (*label, *fields) {
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(SimplePattern::Lit { value }, CompoundPattern::Tuple { patterns }) =>
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Some(P::Pattern::DCompound(Box::new(P::DCompound::Rec {
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label: from_io(&value)?,
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fields: patterns.iter()
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.map(|p| unname(p).wc(s))
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.collect::<Option<Vec<P::Pattern>>>()?,
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}))),
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Some(P::Pattern::Group{
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type_: Box::new(P::GroupType::Rec { label: from_io(&value)? }),
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entries: patterns.iter().enumerate()
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.map(|(i, p)| Some((P::_Any::new(i), unname(p).wc(s)?)))
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.collect::<Option<Map<P::_Any, P::Pattern>>>()?,
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}),
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_ => None,
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},
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_ => None,
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|
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@ -10,7 +10,6 @@ use hyper::header::HeaderValue;
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use syndicate::actor::*;
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use syndicate::error::Error;
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use syndicate::relay::Mutex;
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use syndicate::trace;
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use syndicate::value::Map;
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use syndicate::value::NestedValue;
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@ -34,29 +33,25 @@ pub fn empty_response(code: StatusCode) -> Response<Body> {
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type ChunkItem = Result<body::Bytes, Box<dyn std::error::Error + Send + Sync>>;
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struct ResponseCollector {
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framing_handle: Option<Handle>,
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context_handle: Arc<Mutex<Option<Handle>>>,
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tx_res: Option<(oneshot::Sender<Response<Body>>, Response<Body>)>,
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body_tx: Option<UnboundedSender<ChunkItem>>,
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}
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impl ResponseCollector {
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fn new(tx: oneshot::Sender<Response<Body>>, context_handle: Arc<Mutex<Option<Handle>>>) -> Self {
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fn new(tx: oneshot::Sender<Response<Body>>) -> Self {
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let (body_tx, body_rx) = unbounded_channel();
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let body_stream: Box<dyn futures::Stream<Item = ChunkItem> + Send> =
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Box::new(UnboundedReceiverStream::new(body_rx));
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let mut res = Response::new(body_stream.into());
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*res.status_mut() = StatusCode::INTERNAL_SERVER_ERROR;
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*res.status_mut() = StatusCode::OK;
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ResponseCollector {
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framing_handle: None,
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context_handle,
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tx_res: Some((tx, res)),
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body_tx: Some(body_tx),
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}
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}
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fn with_res<F: FnOnce(&mut Response<Body>) -> ActorResult>(&mut self, f: F) -> ActorResult {
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if let ResponseCollector { tx_res: Some((_, res)), .. } = self {
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if let Some((_, res)) = &mut self.tx_res {
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f(res)?;
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}
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Ok(())
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|
@ -84,39 +79,13 @@ impl ResponseCollector {
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fn finish(&mut self, t: &mut Activation) -> ActorResult {
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self.deliver_res();
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self.body_tx = None;
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if let Some(h) = self.context_handle.lock().take() {
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t.retract(h);
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}
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t.stop();
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Ok(())
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}
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}
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impl Entity<http::HttpResponse> for ResponseCollector {
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fn assert(&mut self, _t: &mut Activation, assertion: http::HttpResponse, handle: Handle) -> ActorResult {
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match assertion {
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http::HttpResponse::Processing => {
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self.framing_handle = Some(handle);
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self.with_res(|r| {
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*r.status_mut() = StatusCode::OK;
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Ok(())
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})
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}
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_ => Err(format!("Unexpected assertion {:?}", assertion))?,
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}
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}
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fn retract(&mut self, t: &mut Activation, handle: Handle) -> ActorResult {
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if self.framing_handle == Some(handle) {
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self.finish(t)?;
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}
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Ok(())
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}
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fn message(&mut self, t: &mut Activation, message: http::HttpResponse) -> ActorResult {
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if self.framing_handle.is_none() {
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self.finish(t)?;
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Err("Attempt to reply before <processing> has been asserted")?;
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}
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match message {
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http::HttpResponse::Status { code, .. } => self.with_res(|r| {
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*r.status_mut() = StatusCode::from_u16(
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|
@ -128,8 +97,13 @@ impl Entity<http::HttpResponse> for ResponseCollector {
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HeaderValue::from_str(value.as_str())?);
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Ok(())
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}),
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http::HttpResponse::Body { chunk } => self.add_chunk(*chunk),
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_ => Err(format!("Unexpected message {:?}", message))?,
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http::HttpResponse::Chunk { chunk } => {
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self.add_chunk(*chunk)
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}
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http::HttpResponse::Done { chunk } => {
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self.add_chunk(*chunk)?;
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self.finish(t)
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}
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}
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}
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}
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|
@ -142,11 +116,11 @@ pub async fn serve(
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port: u16,
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) -> Result<Response<Body>, Error> {
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let host = match req.headers().get("host").and_then(|v| v.to_str().ok()) {
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None => return Ok(empty_response(StatusCode::BAD_REQUEST)),
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Some(h) => match h.rsplit_once(':') {
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None => http::RequestHost::Absent,
|
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Some(h) => http::RequestHost::Present(match h.rsplit_once(':') {
|
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None => h.to_string(),
|
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Some((h, _port)) => h.to_string(),
|
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}
|
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})
|
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};
|
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|
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let uri = req.uri();
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|
@ -193,23 +167,22 @@ pub async fn serve(
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let (tx, rx) = oneshot::channel();
|
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|
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facet.activate(&account, Some(trace::TurnCause::external("http")), |t| {
|
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let sreq = http::HttpRequest {
|
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sequence_number: NEXT_SEQ.fetch_add(1, Ordering::Relaxed).into(),
|
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host,
|
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port: port.into(),
|
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method: req.method().to_string().to_lowercase(),
|
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path,
|
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headers: http::Headers(headers),
|
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query,
|
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body,
|
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};
|
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tracing::debug!(?sreq);
|
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let context_handle: Arc<Mutex<Option<Handle>>> = Arc::new(Mutex::new(None));
|
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let srep = Cap::guard(&language().syndicate, t.create(ResponseCollector::new(
|
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tx,
|
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Arc::clone(&context_handle))));
|
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*(context_handle.lock()) = httpd.assert(
|
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t, language(), &http::HttpContext { req: sreq, res: srep });
|
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t.facet(move |t| {
|
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let sreq = http::HttpRequest {
|
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sequence_number: NEXT_SEQ.fetch_add(1, Ordering::Relaxed).into(),
|
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host,
|
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port: port.into(),
|
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method: req.method().to_string().to_lowercase(),
|
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path,
|
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headers: http::Headers(headers),
|
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query,
|
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body,
|
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};
|
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tracing::debug!(?sreq);
|
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let srep = Cap::guard(&language().syndicate, t.create(ResponseCollector::new(tx)));
|
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httpd.assert(t, language(), &http::HttpContext { req: sreq, res: srep });
|
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Ok(())
|
||||
})?;
|
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Ok(())
|
||||
});
|
||||
|
||||
|
|
|
@ -9,7 +9,7 @@ use syndicate::actor::*;
|
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use syndicate::dataspace::Dataspace;
|
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use syndicate::during;
|
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use syndicate::enclose;
|
||||
use syndicate::pattern::{lift_literal, drop_literal};
|
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use syndicate::pattern::{lift_literal, drop_literal, pattern_seq_from_dictionary};
|
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use syndicate::schemas::dataspace;
|
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use syndicate::schemas::dataspace_patterns as P;
|
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use syndicate::schemas::sturdy;
|
||||
|
@ -173,7 +173,7 @@ fn bad_instruction(message: &str) -> io::Error {
|
|||
}
|
||||
|
||||
fn discard() -> P::Pattern {
|
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P::Pattern::DDiscard(Box::new(P::DDiscard))
|
||||
P::Pattern::Discard
|
||||
}
|
||||
|
||||
fn dlit(value: AnyValue) -> P::Pattern {
|
||||
|
@ -272,7 +272,7 @@ impl<'env> PatternInstantiator<'env> {
|
|||
Symbolic::Discard => discard(),
|
||||
Symbolic::Binder(s) => {
|
||||
self.binding_names.push(s);
|
||||
P::Pattern::DBind(Box::new(P::DBind { pattern: discard() }))
|
||||
P::Pattern::Bind { pattern: Box::new(discard()) }
|
||||
}
|
||||
Symbolic::Reference(s) =>
|
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dlit(self.env.lookup(&s, "pattern-template variable")?.clone()),
|
||||
|
@ -287,43 +287,47 @@ impl<'env> PatternInstantiator<'env> {
|
|||
Some(pat) => pat,
|
||||
None => {
|
||||
let label = self.instantiate_pattern(r.label())?;
|
||||
let fields = r.fields().iter().map(|p| self.instantiate_pattern(p))
|
||||
.collect::<io::Result<Vec<P::Pattern>>>()?;
|
||||
P::Pattern::DCompound(Box::new(P::DCompound::Rec {
|
||||
label: drop_literal(&label)
|
||||
.ok_or(bad_instruction("Record pattern must have literal label"))?,
|
||||
fields,
|
||||
}))
|
||||
let entries = r.fields().iter().enumerate()
|
||||
.map(|(i, p)| Ok((AnyValue::new(i), self.instantiate_pattern(p)?)))
|
||||
.collect::<io::Result<Map<AnyValue, P::Pattern>>>()?;
|
||||
P::Pattern::Group {
|
||||
type_: Box::new(P::GroupType::Rec {
|
||||
label: drop_literal(&label)
|
||||
.ok_or(bad_instruction("Record pattern must have literal label"))?,
|
||||
}),
|
||||
entries,
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
Value::Sequence(v) =>
|
||||
P::Pattern::DCompound(Box::new(P::DCompound::Arr {
|
||||
items: v.iter()
|
||||
.map(|p| self.instantiate_pattern(p))
|
||||
.collect::<io::Result<Vec<P::Pattern>>>()?,
|
||||
})),
|
||||
P::Pattern::Group {
|
||||
type_: Box::new(P::GroupType::Arr),
|
||||
entries: v.iter().enumerate()
|
||||
.map(|(i, p)| Ok((AnyValue::new(i), self.instantiate_pattern(p)?)))
|
||||
.collect::<io::Result<Map<AnyValue, P::Pattern>>>()?,
|
||||
},
|
||||
Value::Set(_) =>
|
||||
Err(bad_instruction(&format!("Sets not permitted in patterns: {:?}", template)))?,
|
||||
Value::Dictionary(v) =>
|
||||
P::Pattern::DCompound(Box::new(P::DCompound::Dict {
|
||||
P::Pattern::Group {
|
||||
type_: Box::new(P::GroupType::Dict),
|
||||
entries: v.iter()
|
||||
.map(|(a, b)| Ok((a.clone(), self.instantiate_pattern(b)?)))
|
||||
.collect::<io::Result<Map<AnyValue, P::Pattern>>>()?,
|
||||
})),
|
||||
},
|
||||
})
|
||||
}
|
||||
|
||||
fn maybe_binder_with_pattern(&mut self, r: &Record<AnyValue>) -> io::Result<Option<P::Pattern>> {
|
||||
match r.label().value().as_symbol().map(|s| analyze(&s)) {
|
||||
Some(Symbolic::Binder(formal)) => if r.fields().len() == 1 {
|
||||
Some(Symbolic::Binder(formal)) if r.fields().len() == 1 => {
|
||||
let pattern = self.instantiate_pattern(&r.fields()[0])?;
|
||||
self.binding_names.push(formal);
|
||||
return Ok(Some(P::Pattern::DBind(Box::new(P::DBind { pattern }))));
|
||||
Ok(Some(P::Pattern::Bind { pattern: Box::new(pattern) }))
|
||||
},
|
||||
_ => (),
|
||||
_ => Ok(None),
|
||||
}
|
||||
Ok(None)
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -553,7 +557,7 @@ impl Env {
|
|||
RewriteTemplate::Accept { pattern_template } => {
|
||||
let (_binding_names, pattern) = self.instantiate_pattern(pattern_template)?;
|
||||
Ok(sturdy::Rewrite {
|
||||
pattern: embed_pattern(&P::Pattern::DBind(Box::new(P::DBind { pattern }))),
|
||||
pattern: embed_pattern(&P::Pattern::Bind { pattern: Box::new(pattern) }),
|
||||
template: sturdy::Template::TRef(Box::new(sturdy::TRef { binding: 0.into() })),
|
||||
})
|
||||
}
|
||||
|
@ -674,24 +678,26 @@ impl Env {
|
|||
|
||||
fn embed_pattern(p: &P::Pattern) -> sturdy::Pattern {
|
||||
match p {
|
||||
P::Pattern::DDiscard(_) => sturdy::Pattern::PDiscard(Box::new(sturdy::PDiscard)),
|
||||
P::Pattern::DBind(b) => sturdy::Pattern::PBind(Box::new(sturdy::PBind {
|
||||
pattern: embed_pattern(&b.pattern),
|
||||
P::Pattern::Discard => sturdy::Pattern::PDiscard(Box::new(sturdy::PDiscard)),
|
||||
P::Pattern::Bind { pattern } => sturdy::Pattern::PBind(Box::new(sturdy::PBind {
|
||||
pattern: embed_pattern(&**pattern),
|
||||
})),
|
||||
P::Pattern::DLit(b) => sturdy::Pattern::Lit(Box::new(sturdy::Lit {
|
||||
value: language().unparse(&b.value),
|
||||
P::Pattern::Lit { value } => sturdy::Pattern::Lit(Box::new(sturdy::Lit {
|
||||
value: language().unparse(&**value),
|
||||
})),
|
||||
P::Pattern::DCompound(b) => sturdy::Pattern::PCompound(Box::new(match &**b {
|
||||
P::DCompound::Rec { label, fields } =>
|
||||
P::Pattern::Group { type_, entries } => sturdy::Pattern::PCompound(Box::new(match &**type_ {
|
||||
P::GroupType::Rec { label } =>
|
||||
sturdy::PCompound::Rec {
|
||||
label: label.clone(),
|
||||
fields: fields.iter().map(embed_pattern).collect(),
|
||||
fields: pattern_seq_from_dictionary(entries).expect("correct field entries")
|
||||
.into_iter().map(embed_pattern).collect(),
|
||||
},
|
||||
P::DCompound::Arr { items } =>
|
||||
P::GroupType::Arr =>
|
||||
sturdy::PCompound::Arr {
|
||||
items: items.iter().map(embed_pattern).collect(),
|
||||
items: pattern_seq_from_dictionary(entries).expect("correct element entries")
|
||||
.into_iter().map(embed_pattern).collect(),
|
||||
},
|
||||
P::DCompound::Dict { entries } =>
|
||||
P::GroupType::Dict =>
|
||||
sturdy::PCompound::Dict {
|
||||
entries: entries.iter().map(|(k, v)| (k.clone(), embed_pattern(v))).collect(),
|
||||
},
|
||||
|
|
|
@ -10,7 +10,6 @@ use syndicate::error::Error;
|
|||
use syndicate::preserves::rec;
|
||||
use syndicate::preserves::value::Map;
|
||||
use syndicate::preserves::value::NestedValue;
|
||||
use syndicate::preserves::value::Set;
|
||||
use syndicate::schemas::http;
|
||||
use syndicate::value::signed_integer::SignedInteger;
|
||||
|
||||
|
@ -56,10 +55,22 @@ pub fn on_demand(t: &mut Activation, ds: Arc<Cap>) {
|
|||
});
|
||||
}
|
||||
|
||||
type MethodTable = Map<http::MethodPattern, Set<Arc<Cap>>>;
|
||||
#[derive(Debug, Clone)]
|
||||
struct ActiveHandler {
|
||||
cap: Arc<Cap>,
|
||||
terminated: Arc<Field<bool>>,
|
||||
}
|
||||
type MethodTable = Map<http::MethodPattern, Vec<ActiveHandler>>;
|
||||
type HostTable = Map<http::HostPattern, Map<http::PathPattern, MethodTable>>;
|
||||
type RoutingTable = Map<SignedInteger, HostTable>;
|
||||
|
||||
fn request_host(value: &http::RequestHost) -> Option<String> {
|
||||
match value {
|
||||
http::RequestHost::Present(h) => Some(h.to_owned()),
|
||||
http::RequestHost::Absent => None,
|
||||
}
|
||||
}
|
||||
|
||||
fn run(t: &mut Activation, ds: Arc<Cap>, spec: HttpRouter) -> ActorResult {
|
||||
ds.assert(t, language(), &lifecycle::started(&spec));
|
||||
ds.assert(t, language(), &lifecycle::ready(&spec));
|
||||
|
@ -77,22 +88,30 @@ fn run(t: &mut Activation, ds: Arc<Cap>, spec: HttpRouter) -> ActorResult {
|
|||
let host = language().parse::<http::HostPattern>(&host)?;
|
||||
let path = language().parse::<http::PathPattern>(&path)?;
|
||||
let method = language().parse::<http::MethodPattern>(&method)?;
|
||||
let handler = handler.value().to_embedded()?;
|
||||
let handler_cap = handler.value().to_embedded()?.clone();
|
||||
let handler_terminated = t.named_field("handler-terminated", false);
|
||||
t.get_mut(&routes)
|
||||
.entry(port.clone()).or_default()
|
||||
.entry(host.clone()).or_default()
|
||||
.entry(path.clone()).or_default()
|
||||
.entry(method.clone()).or_default()
|
||||
.insert(handler.clone());
|
||||
t.on_stop(enclose!((routes, handler, method, path, host, port) move |t| {
|
||||
.push(ActiveHandler {
|
||||
cap: handler_cap.clone(),
|
||||
terminated: handler_terminated,
|
||||
});
|
||||
t.on_stop(enclose!((routes, method, path, host, port) move |t| {
|
||||
tracing::debug!("-HTTP binding {:?} {:?} {:?} {:?} {:?}", host, port, method, path, handler);
|
||||
let port_map = t.get_mut(&routes);
|
||||
let host_map = port_map.entry(port.clone()).or_default();
|
||||
let path_map = host_map.entry(host.clone()).or_default();
|
||||
let method_map = path_map.entry(path.clone()).or_default();
|
||||
let handler_set = method_map.entry(method.clone()).or_default();
|
||||
handler_set.remove(&handler);
|
||||
if handler_set.is_empty() {
|
||||
let handler_vec = method_map.entry(method.clone()).or_default();
|
||||
let handler = {
|
||||
let i = handler_vec.iter().position(|a| a.cap == handler_cap)
|
||||
.expect("Expected an index of an active handler to remove");
|
||||
handler_vec.swap_remove(i)
|
||||
};
|
||||
if handler_vec.is_empty() {
|
||||
method_map.remove(&method);
|
||||
}
|
||||
if method_map.is_empty() {
|
||||
|
@ -104,6 +123,7 @@ fn run(t: &mut Activation, ds: Arc<Cap>, spec: HttpRouter) -> ActorResult {
|
|||
if host_map.is_empty() {
|
||||
port_map.remove(&port);
|
||||
}
|
||||
*t.get_mut(&handler.terminated) = true;
|
||||
Ok(())
|
||||
}));
|
||||
Ok(())
|
||||
|
@ -124,7 +144,7 @@ fn run(t: &mut Activation, ds: Arc<Cap>, spec: HttpRouter) -> ActorResult {
|
|||
None => return send_empty(t, res, 404, "Not found"),
|
||||
};
|
||||
|
||||
let methods = match try_hostname(host_map, http::HostPattern::Host(req.host.clone()), &req.path)? {
|
||||
let methods = match request_host(&req.host).and_then(|h| try_hostname(host_map, http::HostPattern::Host(h), &req.path).transpose()).transpose()? {
|
||||
Some(methods) => methods,
|
||||
None => match try_hostname(host_map, http::HostPattern::Any, &req.path)? {
|
||||
Some(methods) => methods,
|
||||
|
@ -141,13 +161,11 @@ fn run(t: &mut Activation, ds: Arc<Cap>, spec: HttpRouter) -> ActorResult {
|
|||
http::MethodPattern::Specific(m) => m.to_uppercase(),
|
||||
http::MethodPattern::Any => unreachable!(),
|
||||
}).collect::<Vec<String>>().join(", ");
|
||||
let h = res.assert(t, language(), &http::HttpResponse::Processing);
|
||||
res.message(t, language(), &http::HttpResponse::Status {
|
||||
code: 405.into(), message: "Method Not Allowed".into() });
|
||||
res.message(t, language(), &http::HttpResponse::Header {
|
||||
name: "allow".into(), value: allowed });
|
||||
if let Some(h) = h { t.retract(h); }
|
||||
return Ok(())
|
||||
return send_done(t, res);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
@ -155,22 +173,33 @@ fn run(t: &mut Activation, ds: Arc<Cap>, spec: HttpRouter) -> ActorResult {
|
|||
if handlers.len() > 1 {
|
||||
tracing::warn!(?req, "Too many handlers available");
|
||||
}
|
||||
let handler = handlers.first().expect("Nonempty handler set").clone();
|
||||
tracing::trace!("Handler for {:?} is {:?}", &req, &handler);
|
||||
handler.assert(t, language(), &http::HttpContext { req, res: res.clone() });
|
||||
let ActiveHandler { cap, terminated } = handlers.first().expect("Nonempty handler set").clone();
|
||||
tracing::trace!("Handler for {:?} is {:?}", &req, &cap);
|
||||
|
||||
t.dataflow(enclose!((terminated, req, res) move |t| {
|
||||
if *t.get(&terminated) {
|
||||
tracing::trace!("Handler for {:?} terminated", &req);
|
||||
send_empty(t, &res, 500, "Internal Server Error")?;
|
||||
}
|
||||
Ok(())
|
||||
}))?;
|
||||
|
||||
cap.assert(t, language(), &http::HttpContext { req, res: res.clone() });
|
||||
Ok(())
|
||||
});
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn send_done(t: &mut Activation, res: &Arc<Cap>) -> ActorResult {
|
||||
res.message(t, language(), &http::HttpResponse::Done {
|
||||
chunk: Box::new(http::Chunk::Bytes(vec![])) });
|
||||
Ok(())
|
||||
}
|
||||
fn send_empty(t: &mut Activation, res: &Arc<Cap>, code: u16, message: &str) -> ActorResult {
|
||||
let h = res.assert(t, language(), &http::HttpResponse::Processing);
|
||||
res.message(t, language(), &http::HttpResponse::Status {
|
||||
code: code.into(), message: message.into() });
|
||||
if let Some(h) = h { t.retract(h); }
|
||||
return Ok(())
|
||||
send_done(t, res)
|
||||
}
|
||||
|
||||
fn path_pattern_matches(path_pat: &http::PathPattern, path: &Vec<String>) -> bool {
|
||||
|
@ -268,13 +297,11 @@ impl HttpStaticFileServer {
|
|||
Ok(mut fh) => {
|
||||
if fh.metadata().is_ok_and(|m| m.is_dir()) {
|
||||
drop(fh);
|
||||
let h = res.assert(t, language(), &http::HttpResponse::Processing);
|
||||
res.message(t, language(), &http::HttpResponse::Status {
|
||||
code: 301.into(), message: "Moved permanently".into() });
|
||||
res.message(t, language(), &http::HttpResponse::Header {
|
||||
name: "location".into(), value: format!("/{}/", req.path.join("/")) });
|
||||
if let Some(h) = h { t.retract(h); }
|
||||
return Ok(())
|
||||
return send_done(t, res);
|
||||
} else {
|
||||
let mut buf = Vec::new();
|
||||
fh.read_to_end(&mut buf)?;
|
||||
|
@ -287,16 +314,14 @@ impl HttpStaticFileServer {
|
|||
}
|
||||
};
|
||||
|
||||
let h = res.assert(t, language(), &http::HttpResponse::Processing);
|
||||
res.message(t, language(), &http::HttpResponse::Status {
|
||||
code: 200.into(), message: "OK".into() });
|
||||
if let Some(mime_type) = mime_type {
|
||||
res.message(t, language(), &http::HttpResponse::Header {
|
||||
name: "content-type".into(), value: mime_type.to_owned() });
|
||||
}
|
||||
res.message(t, language(), &http::HttpResponse::Body {
|
||||
res.message(t, language(), &http::HttpResponse::Done {
|
||||
chunk: Box::new(http::Chunk::Bytes(body)) });
|
||||
if let Some(h) = h { t.retract(h); }
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
|
|
@ -15,24 +15,20 @@ use tokio::net::TcpListener;
|
|||
use crate::language::language;
|
||||
use crate::lifecycle;
|
||||
use crate::protocol::detect_protocol;
|
||||
use crate::schemas::internal_services::{TcpWithHttp, TcpWithoutHttp, TcpRelayListener};
|
||||
use crate::schemas::internal_services::TcpWithoutHttp;
|
||||
|
||||
use syndicate_macros::during;
|
||||
|
||||
pub fn on_demand(t: &mut Activation, ds: Arc<Cap>) {
|
||||
t.spawn(Some(AnyValue::symbol("tcp_relay_listener")), move |t| {
|
||||
enclose!((ds) during!(t, ds, language(), <run-service $spec: TcpWithHttp::<AnyValue>>, |t: &mut Activation| {
|
||||
spec.httpd.assert(t, language(), &syndicate::schemas::http::HttpListener { port: spec.addr.port.clone() });
|
||||
run_supervisor(t, ds.clone(), TcpRelayListener::TcpWithHttp(Box::new(spec)))
|
||||
}));
|
||||
enclose!((ds) during!(t, ds, language(), <run-service $spec: TcpWithoutHttp::<AnyValue>>, |t| {
|
||||
run_supervisor(t, ds.clone(), TcpRelayListener::TcpWithoutHttp(Box::new(spec)))
|
||||
run_supervisor(t, ds.clone(), spec)
|
||||
}));
|
||||
Ok(())
|
||||
});
|
||||
}
|
||||
|
||||
fn run_supervisor(t: &mut Activation, ds: Arc<Cap>, spec: TcpRelayListener) -> ActorResult {
|
||||
fn run_supervisor(t: &mut Activation, ds: Arc<Cap>, spec: TcpWithoutHttp) -> ActorResult {
|
||||
Supervisor::start(
|
||||
t,
|
||||
Some(rec![AnyValue::symbol("relay"), language().unparse(&spec)]),
|
||||
|
@ -41,18 +37,32 @@ fn run_supervisor(t: &mut Activation, ds: Arc<Cap>, spec: TcpRelayListener) -> A
|
|||
enclose!((ds) move |t| enclose!((ds, spec) run(t, ds, spec))))
|
||||
}
|
||||
|
||||
fn run(t: &mut Activation, ds: Arc<Cap>, spec: TcpRelayListener) -> ActorResult {
|
||||
fn run(t: &mut Activation, ds: Arc<Cap>, spec: TcpWithoutHttp) -> ActorResult {
|
||||
lifecycle::terminate_on_service_restart(t, &ds, &spec);
|
||||
let (addr, gatekeeper, httpd) = match spec.clone() {
|
||||
TcpRelayListener::TcpWithHttp(b) => {
|
||||
let TcpWithHttp { addr, gatekeeper, httpd } = *b;
|
||||
(addr, gatekeeper, Some(httpd))
|
||||
}
|
||||
TcpRelayListener::TcpWithoutHttp(b) => {
|
||||
let TcpWithoutHttp { addr, gatekeeper } = *b;
|
||||
(addr, gatekeeper, None)
|
||||
}
|
||||
};
|
||||
|
||||
let httpd = t.named_field("httpd", None::<Arc<Cap>>);
|
||||
|
||||
{
|
||||
let ad = spec.addr.clone();
|
||||
let ad2 = ad.clone();
|
||||
let gk = spec.gatekeeper.clone();
|
||||
enclose!((ds, httpd) during!(t, ds, language(),
|
||||
<run-service <relay-listener #(&language().unparse(&ad)) #(&AnyValue::domain(gk)) $h>>, |t: &mut Activation| {
|
||||
if let Some(h) = h.value().as_embedded().cloned() {
|
||||
h.assert(t, language(), &syndicate::schemas::http::HttpListener { port: ad2.port.clone() });
|
||||
*t.get_mut(&httpd) = Some(h.clone());
|
||||
t.on_stop(enclose!((httpd) move |t| {
|
||||
let f = t.get_mut(&httpd);
|
||||
if *f == Some(h.clone()) { *f = None; }
|
||||
Ok(())
|
||||
}));
|
||||
}
|
||||
Ok(())
|
||||
}));
|
||||
}
|
||||
|
||||
let TcpWithoutHttp { addr, gatekeeper } = spec.clone();
|
||||
|
||||
let host = addr.host.clone();
|
||||
let port = u16::try_from(&addr.port).map_err(|_| "Invalid TCP port number")?;
|
||||
let facet = t.facet_ref();
|
||||
|
@ -83,6 +93,7 @@ fn run(t: &mut Activation, ds: Arc<Cap>, spec: TcpRelayListener) -> ActorResult
|
|||
let account = Account::new(name.clone(), trace_collector.clone());
|
||||
if !facet.activate(
|
||||
&account, cause, enclose!((trace_collector, httpd) move |t| {
|
||||
let httpd = t.get(&httpd).clone();
|
||||
t.spawn(name, move |t| {
|
||||
Ok(t.linked_task(None, {
|
||||
let facet = t.facet_ref();
|
||||
|
@ -91,7 +102,7 @@ fn run(t: &mut Activation, ds: Arc<Cap>, spec: TcpRelayListener) -> ActorResult
|
|||
facet,
|
||||
stream,
|
||||
gatekeeper,
|
||||
httpd.map(|r| r.clone()),
|
||||
httpd,
|
||||
addr,
|
||||
port).await?;
|
||||
Ok(LinkedTaskTermination::KeepFacet)
|
||||
|
|
|
@ -11,6 +11,7 @@ use syndicate::during::entity;
|
|||
use syndicate::dataspace::Dataspace;
|
||||
use syndicate::schemas::dataspace::Observe;
|
||||
use syndicate::schemas::dataspace_patterns as p;
|
||||
use syndicate::value::Map;
|
||||
use syndicate::value::NestedValue;
|
||||
use syndicate::value::Value;
|
||||
|
||||
|
@ -88,11 +89,11 @@ pub fn bench_pub(c: &mut Criterion) {
|
|||
.create_cap(t);
|
||||
|
||||
ds.assert(t, language(), &Observe {
|
||||
pattern: p::Pattern::DBind(Box::new(p::DBind {
|
||||
pattern: p::Pattern::DLit(Box::new(p::DLit {
|
||||
value: p::AnyAtom::Symbol("consumer".to_owned()),
|
||||
})),
|
||||
})),
|
||||
pattern: p::Pattern::Bind {
|
||||
pattern: Box::new(p::Pattern::Lit {
|
||||
value: Box::new(p::AnyAtom::Symbol("consumer".to_owned())),
|
||||
}),
|
||||
},
|
||||
observer: shutdown,
|
||||
});
|
||||
|
||||
|
@ -110,24 +111,27 @@ pub fn bench_pub(c: &mut Criterion) {
|
|||
|
||||
ds.assert(t, &(), &AnyValue::symbol("consumer"));
|
||||
ds.assert(t, language(), &Observe {
|
||||
pattern: p::Pattern::DCompound(Box::new(p::DCompound::Rec {
|
||||
label: AnyValue::symbol("Says"),
|
||||
fields: vec![
|
||||
p::Pattern::DLit(Box::new(p::DLit {
|
||||
value: p::AnyAtom::String("bench_pub".to_owned()),
|
||||
})),
|
||||
p::Pattern::DBind(Box::new(p::DBind {
|
||||
pattern: p::Pattern::DDiscard(Box::new(p::DDiscard)),
|
||||
})),
|
||||
]})),
|
||||
pattern: p::Pattern::Group {
|
||||
type_: Box::new(p::GroupType::Rec {
|
||||
label: AnyValue::symbol("Says"),
|
||||
}),
|
||||
entries: Map::from([
|
||||
(p::_Any::new(0), p::Pattern::Lit {
|
||||
value: Box::new(p::AnyAtom::String("bench_pub".to_owned())),
|
||||
}),
|
||||
(p::_Any::new(1), p::Pattern::Bind {
|
||||
pattern: Box::new(p::Pattern::Discard),
|
||||
}),
|
||||
]),
|
||||
},
|
||||
observer: receiver,
|
||||
});
|
||||
ds.assert(t, language(), &Observe {
|
||||
pattern: p::Pattern::DBind(Box::new(p::DBind {
|
||||
pattern: p::Pattern::DLit(Box::new(p::DLit {
|
||||
value: p::AnyAtom::Bool(true),
|
||||
})),
|
||||
})),
|
||||
pattern: p::Pattern::Bind {
|
||||
pattern: Box::new(p::Pattern::Lit {
|
||||
value: Box::new(p::AnyAtom::Bool(true)),
|
||||
}),
|
||||
},
|
||||
observer: shutdown,
|
||||
});
|
||||
|
||||
|
|
|
@ -2,11 +2,9 @@
|
|||
tcp-remote„´³tupleµ´³named³host´³atom³String„„´³named³port´³atom³
SignedInteger„„„„„³TcpPeerInfo´³rec´³lit³tcp-peer„´³tupleµ´³named³handle´³embedded³any„„´³named³local´³refµ„³TcpLocal„„´³named³remote´³refµ„³ TcpRemote„„„„„„³embeddedType´³refµ³ EntityRef„³Cap„„„µ³http„´³schema·³version°³definitions·³Chunk´³orµµ±string´³atom³String„„µ±bytes´³atom³
|
||||
ByteString„„„„³Headers´³dictof´³atom³Symbol„´³atom³String„„³MimeType´³atom³Symbol„³
|
||||
QueryValue´³orµµ±string´³atom³String„„µ±file´³rec´³lit³file„´³tupleµ´³named³filename´³atom³String„„´³named³headers´³refµ„³Headers„„´³named³body´³atom³
|
||||
ByteString„„„„„„„„³HostPattern´³orµµ±host´³atom³String„„µ±any´³lit€„„„„³HttpBinding´³rec´³lit³ http-bind„´³tupleµ´³named³host´³refµ„³HostPattern„„´³named³port´³atom³
SignedInteger„„´³named³method´³refµ„³
MethodPattern„„´³named³path´³refµ„³PathPattern„„´³named³handler´³embedded´³refµ„³HttpRequest„„„„„„³HttpContext´³rec´³lit³request„´³tupleµ´³named³req´³refµ„³HttpRequest„„´³named³res´³embedded´³refµ„³HttpResponse„„„„„„³HttpRequest´³rec´³lit³http-request„´³tupleµ´³named³sequenceNumber´³atom³
SignedInteger„„´³named³host´³atom³String„„´³named³port´³atom³
SignedInteger„„´³named³method´³atom³Symbol„„´³named³path´³seqof´³atom³String„„„´³named³headers´³refµ„³Headers„„´³named³query´³dictof´³atom³Symbol„´³seqof´³refµ„³
|
||||
ByteString„„„„„„„„³HostPattern´³orµµ±host´³atom³String„„µ±any´³lit€„„„„³HttpBinding´³rec´³lit³ http-bind„´³tupleµ´³named³host´³refµ„³HostPattern„„´³named³port´³atom³
SignedInteger„„´³named³method´³refµ„³
MethodPattern„„´³named³path´³refµ„³PathPattern„„´³named³handler´³embedded´³refµ„³HttpRequest„„„„„„³HttpContext´³rec´³lit³request„´³tupleµ´³named³req´³refµ„³HttpRequest„„´³named³res´³embedded´³refµ„³HttpResponse„„„„„„³HttpRequest´³rec´³lit³http-request„´³tupleµ´³named³sequenceNumber´³atom³
SignedInteger„„´³named³host´³refµ„³RequestHost„„´³named³port´³atom³
SignedInteger„„´³named³method´³atom³Symbol„„´³named³path´³seqof´³atom³String„„„´³named³headers´³refµ„³Headers„„´³named³query´³dictof´³atom³Symbol„´³seqof´³refµ„³
|
||||
QueryValue„„„„´³named³body´³refµ„³RequestBody„„„„„³HttpService´³rec´³lit³http-service„´³tupleµ´³named³host´³refµ„³HostPattern„„´³named³port´³atom³
SignedInteger„„´³named³method´³refµ„³
MethodPattern„„´³named³path´³refµ„³PathPattern„„„„„³PathPattern´³seqof´³refµ„³PathPatternElement„„³RequestBody´³orµµ±present´³atom³
|
||||
ByteString„„µ±absent´³lit€„„„„³HttpListener´³rec´³lit³
http-listener„´³tupleµ´³named³port´³atom³
SignedInteger„„„„„³HttpResponse´³orµµ±
|
||||
processing´³rec´³lit³
|
||||
processing„´³tupleµ„„„„µ±status´³rec´³lit³status„´³tupleµ´³named³code´³atom³
SignedInteger„„´³named³message´³atom³String„„„„„„µ±header´³rec´³lit³header„´³tupleµ´³named³name´³atom³Symbol„„´³named³value´³atom³String„„„„„„µ±body´³rec´³lit³body„´³tupleµ´³named³chunk´³refµ„³Chunk„„„„„„„„³
MethodPattern´³orµµ±any´³lit€„„µ±specific´³atom³Symbol„„„„³PathPatternElement´³orµµ±label´³atom³String„„µ±wildcard´³lit³_„„µ±rest´³lit³...„„„„„³embeddedType€„„µ³noise„´³schema·³version°³definitions·³Packet´³orµµ±complete´³atom³
|
||||
ByteString„„µ±absent´³lit€„„„„³RequestHost´³orµµ±present´³atom³String„„µ±absent´³lit€„„„„³HttpListener´³rec´³lit³
http-listener„´³tupleµ´³named³port´³atom³
SignedInteger„„„„„³HttpResponse´³orµµ±status´³rec´³lit³status„´³tupleµ´³named³code´³atom³
SignedInteger„„´³named³message´³atom³String„„„„„„µ±header´³rec´³lit³header„´³tupleµ´³named³name´³atom³Symbol„„´³named³value´³atom³String„„„„„„µ±chunk´³rec´³lit³chunk„´³tupleµ´³named³chunk´³refµ„³Chunk„„„„„„µ±done´³rec´³lit³done„´³tupleµ´³named³chunk´³refµ„³Chunk„„„„„„„„³
MethodPattern´³orµµ±any´³lit€„„µ±specific´³atom³Symbol„„„„³PathPatternElement´³orµµ±label´³atom³String„„µ±wildcard´³lit³_„„µ±rest´³lit³...„„„„„³embeddedType€„„µ³noise„´³schema·³version°³definitions·³Packet´³orµµ±complete´³atom³
|
||||
ByteString„„µ±
|
||||
fragmented´³seqof´³atom³
|
||||
ByteString„„„„„³ Initiator´³rec´³lit³ initiator„´³tupleµ´³named³initiatorSession´³embedded´³refµ„³Packet„„„„„„³ NoiseSpec´³andµ´³dict·³key´³named³key´³atom³
|
||||
|
|
|
@ -21,7 +21,7 @@ MethodPattern = @any #f / @specific @"Lowercase" symbol .
|
|||
# Assertion in driver DS
|
||||
HttpRequest = <http-request
|
||||
@sequenceNumber int
|
||||
@host string
|
||||
@host RequestHost
|
||||
@port int
|
||||
@method @"Lowercase" symbol
|
||||
@path [string ...]
|
||||
|
@ -32,20 +32,28 @@ HttpRequest = <http-request
|
|||
Headers = {@"Lowercase" symbol: string ...:...} .
|
||||
QueryValue = @string string / <file @filename string @headers Headers @body bytes> .
|
||||
RequestBody = @present bytes / @absent #f .
|
||||
RequestHost = @present string / @absent #f .
|
||||
|
||||
# Assertion to handler entity
|
||||
HttpContext = <request @req HttpRequest @res #:HttpResponse> .
|
||||
|
||||
# HttpResponse protocol. Delivered to the `res` ref in `HttpContext`.
|
||||
#
|
||||
# (status | header)* . chunk* . done
|
||||
#
|
||||
# Done triggers completion of the response and retraction of the frame by the peer. If the
|
||||
# HttpBinding responsible for the request is withdrawn mid-way through a response (i.e. when
|
||||
# chunked transfer is used and at least one chunk has been sent) the request is abruptly
|
||||
# closed; if it is withdrawn at any other moment in the lifetime of the request, a 500 Internal
|
||||
# Server Error is send to the client.
|
||||
#
|
||||
@<TODO "trailers?">
|
||||
# Messages
|
||||
HttpResponse =
|
||||
# Assertion - frames the response. When retracted, response is considered complete.
|
||||
# If retracted before `status` is delivered, response is considered a 500.
|
||||
/ <processing>
|
||||
# Remainder are messages: +processing . (status | header)* . body* . -processing
|
||||
# Messages.
|
||||
/ <status @code int @message string>
|
||||
/ <header @name symbol @value string>
|
||||
/ <body @chunk Chunk>
|
||||
/ <chunk @chunk Chunk>
|
||||
/ <done @chunk Chunk>
|
||||
.
|
||||
|
||||
Chunk = @string string / @bytes bytes .
|
||||
|
|
|
@ -1,3 +1,5 @@
|
|||
use std::sync::Arc;
|
||||
|
||||
use crate::schemas::dataspace_patterns::*;
|
||||
|
||||
use super::language;
|
||||
|
@ -8,23 +10,25 @@ use preserves::value::Record;
|
|||
use preserves::value::Value;
|
||||
use preserves_schema::Codec;
|
||||
|
||||
#[derive(Debug, Clone, PartialOrd, Ord, PartialEq, Eq)]
|
||||
pub enum PathStep {
|
||||
Index(usize),
|
||||
Key(_Any),
|
||||
}
|
||||
|
||||
pub type PathStep = _Any;
|
||||
pub type Path = Vec<PathStep>;
|
||||
pub type Paths = Vec<Path>;
|
||||
|
||||
#[derive(Debug, PartialEq, Eq, PartialOrd, Ord)]
|
||||
pub struct ConstantPositions {
|
||||
pub with_values: Paths,
|
||||
pub required_to_exist: Paths,
|
||||
}
|
||||
|
||||
struct Analyzer {
|
||||
pub const_paths: Paths,
|
||||
pub const_values: Vec<_Any>,
|
||||
pub checked_paths: Paths,
|
||||
pub capture_paths: Paths,
|
||||
}
|
||||
|
||||
pub struct PatternAnalysis {
|
||||
pub const_paths: Paths,
|
||||
pub const_positions: Arc<ConstantPositions>,
|
||||
pub const_values: _Any,
|
||||
pub capture_paths: Paths,
|
||||
}
|
||||
|
@ -38,11 +42,15 @@ impl PatternAnalysis {
|
|||
let mut analyzer = Analyzer {
|
||||
const_paths: Vec::new(),
|
||||
const_values: Vec::new(),
|
||||
checked_paths: Vec::new(),
|
||||
capture_paths: Vec::new(),
|
||||
};
|
||||
analyzer.walk(&mut Vec::new(), p);
|
||||
PatternAnalysis {
|
||||
const_paths: analyzer.const_paths,
|
||||
const_positions: Arc::new(ConstantPositions {
|
||||
with_values: analyzer.const_paths,
|
||||
required_to_exist: analyzer.checked_paths,
|
||||
}),
|
||||
const_values: _Any::new(analyzer.const_values),
|
||||
capture_paths: analyzer.capture_paths,
|
||||
}
|
||||
|
@ -58,34 +66,21 @@ impl Analyzer {
|
|||
|
||||
fn walk(&mut self, path: &mut Path, p: &Pattern) {
|
||||
match p {
|
||||
Pattern::DCompound(b) => match &**b {
|
||||
DCompound::Rec { fields, .. } => {
|
||||
for (i, p) in fields.iter().enumerate() {
|
||||
self.walk_step(path, PathStep::Index(i), p);
|
||||
}
|
||||
}
|
||||
DCompound::Arr { items, .. } => {
|
||||
for (i, p) in items.iter().enumerate() {
|
||||
self.walk_step(path, PathStep::Index(i), p);
|
||||
}
|
||||
}
|
||||
DCompound::Dict { entries, .. } => {
|
||||
for (k, p) in entries {
|
||||
self.walk_step(path, PathStep::Key(k.clone()), p);
|
||||
}
|
||||
Pattern::Group { entries, .. } => {
|
||||
for (k, p) in entries {
|
||||
self.walk_step(path, k.clone(), p)
|
||||
}
|
||||
}
|
||||
Pattern::DBind(b) => {
|
||||
let DBind { pattern, .. } = &**b;
|
||||
Pattern::Bind { pattern } => {
|
||||
self.capture_paths.push(path.clone());
|
||||
self.walk(path, pattern)
|
||||
self.walk(path, &**pattern);
|
||||
}
|
||||
Pattern::DDiscard(_) =>
|
||||
(),
|
||||
Pattern::DLit(b) => {
|
||||
let DLit { value } = &**b;
|
||||
Pattern::Discard => {
|
||||
self.checked_paths.push(path.clone());
|
||||
}
|
||||
Pattern::Lit { value } => {
|
||||
self.const_paths.push(path.clone());
|
||||
self.const_values.push(language().unparse(value));
|
||||
self.const_values.push(language().unparse(&**value));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -109,52 +104,47 @@ impl PatternMatcher {
|
|||
}
|
||||
}
|
||||
|
||||
fn run_seq<'a, F: 'a + Fn(usize) -> &'a _Any>(&mut self, entries: &Map<_Any, Pattern<_Any>>, values: F) -> bool {
|
||||
for (k, p) in entries {
|
||||
match k.value().as_usize() {
|
||||
None => return false,
|
||||
Some(i) => if !self.run(p, values(i)) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
true
|
||||
}
|
||||
|
||||
fn run(&mut self, pattern: &Pattern<_Any>, value: &_Any) -> bool {
|
||||
match pattern {
|
||||
Pattern::DDiscard(_) => true,
|
||||
Pattern::DBind(b) => {
|
||||
Pattern::Discard => true,
|
||||
Pattern::Bind { pattern } => {
|
||||
self.captures.push(value.clone());
|
||||
self.run(&b.pattern, value)
|
||||
self.run(&**pattern, value)
|
||||
}
|
||||
Pattern::DLit(b) => value == &language().unparse(&b.value),
|
||||
Pattern::DCompound(b) => match &**b {
|
||||
DCompound::Rec { label, fields } => {
|
||||
match value.value().as_record(Some(fields.len())) {
|
||||
Pattern::Lit { value: expected } => value == &language().unparse(&**expected),
|
||||
Pattern::Group { type_, entries } => match &**type_ {
|
||||
GroupType::Rec { label } => {
|
||||
match value.value().as_record(None) {
|
||||
None => false,
|
||||
Some(r) => {
|
||||
if r.label() != label {
|
||||
return false;
|
||||
}
|
||||
for (i, p) in fields.iter().enumerate() {
|
||||
if !self.run(p, &r.fields()[i]) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
true
|
||||
}
|
||||
Some(r) =>
|
||||
r.label() == label &&
|
||||
self.run_seq(entries, |i| &r.fields()[i])
|
||||
}
|
||||
}
|
||||
DCompound::Arr { items } => {
|
||||
GroupType::Arr => {
|
||||
match value.value().as_sequence() {
|
||||
None => false,
|
||||
Some(vs) => {
|
||||
if vs.len() != items.len() {
|
||||
return false;
|
||||
}
|
||||
for (i, p) in items.iter().enumerate() {
|
||||
if !self.run(p, &vs[i]) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
true
|
||||
}
|
||||
Some(vs) =>
|
||||
self.run_seq(entries, |i| &vs[i])
|
||||
}
|
||||
}
|
||||
DCompound::Dict { entries: expected_entries } => {
|
||||
GroupType::Dict => {
|
||||
match value.value().as_dictionary() {
|
||||
None => false,
|
||||
Some(actual_entries) => {
|
||||
for (k, p) in expected_entries.iter() {
|
||||
for (k, p) in entries {
|
||||
if !actual_entries.get(k).map(|v| self.run(p, v)).unwrap_or(false) {
|
||||
return false;
|
||||
}
|
||||
|
@ -170,42 +160,68 @@ impl PatternMatcher {
|
|||
|
||||
pub fn lift_literal(v: &_Any) -> Pattern {
|
||||
match v.value() {
|
||||
Value::Record(r) => Pattern::DCompound(Box::new(DCompound::Rec {
|
||||
label: r.label().clone(),
|
||||
fields: r.fields().iter().map(lift_literal).collect(),
|
||||
})),
|
||||
Value::Sequence(items) => Pattern::DCompound(Box::new(DCompound::Arr {
|
||||
items: items.iter().map(lift_literal).collect(),
|
||||
})),
|
||||
Value::Record(r) => Pattern::Group {
|
||||
type_: Box::new(GroupType::Rec { label: r.label().clone() }),
|
||||
entries: r.fields().iter().enumerate()
|
||||
.map(|(i, v)| (_Any::new(i), lift_literal(v)))
|
||||
.collect(),
|
||||
},
|
||||
Value::Sequence(items) => Pattern::Group {
|
||||
type_: Box::new(GroupType::Arr),
|
||||
entries: items.iter().enumerate()
|
||||
.map(|(i, v)| (_Any::new(i), lift_literal(v)))
|
||||
.collect(),
|
||||
},
|
||||
Value::Set(_members) => panic!("Cannot express literal set in pattern"),
|
||||
Value::Dictionary(entries) => Pattern::DCompound(Box::new(DCompound::Dict {
|
||||
entries: entries.iter().map(|(k, v)| (k.clone(), lift_literal(v))).collect(),
|
||||
})),
|
||||
_other => Pattern::DLit(Box::new(DLit {
|
||||
value: language().parse(v).expect("Non-compound datum can be converted to AnyAtom"),
|
||||
})),
|
||||
Value::Dictionary(entries) => Pattern::Group {
|
||||
type_: Box::new(GroupType::Dict),
|
||||
entries: entries.iter()
|
||||
.map(|(k, v)| (k.clone(), lift_literal(v)))
|
||||
.collect(),
|
||||
},
|
||||
_other => Pattern::Lit {
|
||||
value: Box::new(language().parse(v).expect("Non-compound datum can be converted to AnyAtom")),
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
const DISCARD: Pattern = Pattern::Discard;
|
||||
|
||||
pub fn pattern_seq_from_dictionary(entries: &Map<_Any, Pattern>) -> Option<Vec<&Pattern>> {
|
||||
let mut max_k: Option<usize> = None;
|
||||
for k in entries.keys() {
|
||||
max_k = max_k.max(Some(k.value().as_usize()?));
|
||||
}
|
||||
let mut seq = vec![];
|
||||
if let Some(max_k) = max_k {
|
||||
seq.reserve(max_k + 1);
|
||||
for i in 0..=max_k {
|
||||
seq.push(entries.get(&_Any::new(i)).unwrap_or(&DISCARD));
|
||||
}
|
||||
}
|
||||
return Some(seq);
|
||||
}
|
||||
|
||||
fn drop_literal_entries_seq(mut seq: Vec<_Any>, entries: &Map<_Any, Pattern>) -> Option<Vec<_Any>> {
|
||||
for p in pattern_seq_from_dictionary(entries)?.into_iter() {
|
||||
seq.push(drop_literal(p)?);
|
||||
}
|
||||
Some(seq)
|
||||
}
|
||||
|
||||
pub fn drop_literal(p: &Pattern) -> Option<_Any> {
|
||||
match p {
|
||||
Pattern::DCompound(b) => match &**b {
|
||||
DCompound::Rec { label, fields } => {
|
||||
let mut r = vec![label.clone()];
|
||||
for f in fields.iter() {
|
||||
r.push(drop_literal(f)?);
|
||||
}
|
||||
Some(Value::Record(Record(r)).wrap())
|
||||
}
|
||||
DCompound::Arr { items } =>
|
||||
Some(Value::Sequence(items.iter().map(drop_literal)
|
||||
.collect::<Option<Vec<_Any>>>()?).wrap()),
|
||||
DCompound::Dict { entries } =>
|
||||
Some(Value::Dictionary(entries.iter()
|
||||
.map(|(k, p)| Some((k.clone(), drop_literal(p)?)))
|
||||
.collect::<Option<Map<_Any, _Any>>>()?).wrap()),
|
||||
Pattern::Group { type_, entries } => match &**type_ {
|
||||
GroupType::Rec { label } =>
|
||||
Some(Value::Record(Record(drop_literal_entries_seq(vec![label.clone()], entries)?)).wrap()),
|
||||
GroupType::Arr =>
|
||||
Some(Value::Sequence(drop_literal_entries_seq(vec![], entries)?).wrap()),
|
||||
GroupType::Dict =>
|
||||
Some(Value::Dictionary(entries.iter()
|
||||
.map(|(k, p)| Some((k.clone(), drop_literal(p)?)))
|
||||
.collect::<Option<Map<_Any, _Any>>>()?).wrap()),
|
||||
},
|
||||
Pattern::DLit(b) => Some(language().unparse(&b.value)),
|
||||
Pattern::Lit { value } => Some(language().unparse(&**value)),
|
||||
_ => None,
|
||||
}
|
||||
}
|
||||
|
|
|
@ -16,19 +16,12 @@ use crate::actor::Activation;
|
|||
use crate::actor::Handle;
|
||||
use crate::actor::Cap;
|
||||
use crate::schemas::dataspace_patterns as ds;
|
||||
use crate::pattern::{self, PathStep, Path, Paths};
|
||||
use crate::pattern::{self, ConstantPositions, PathStep, Path, Paths};
|
||||
|
||||
type Bag<A> = bag::BTreeBag<A>;
|
||||
|
||||
type Captures = AnyValue;
|
||||
|
||||
#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Clone)]
|
||||
enum Guard {
|
||||
Rec(AnyValue, usize),
|
||||
Seq(usize),
|
||||
Map,
|
||||
}
|
||||
|
||||
/// Index of assertions and [`Observe`rs][crate::schemas::dataspace::Observe].
|
||||
///
|
||||
/// Generally speaking, you will not need to use this structure;
|
||||
|
@ -44,13 +37,13 @@ pub struct Index {
|
|||
#[derive(Debug)]
|
||||
struct Node {
|
||||
continuation: Continuation,
|
||||
edges: Map<Selector, Map<Guard, Node>>,
|
||||
edges: Map<Selector, Map<ds::GroupType, Node>>,
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
struct Continuation {
|
||||
cached_assertions: Set<AnyValue>,
|
||||
leaf_map: Map<Paths, Map<Captures, Leaf>>,
|
||||
leaf_map: Map<Arc<ConstantPositions>, Map<Captures, Leaf>>,
|
||||
}
|
||||
|
||||
#[derive(Debug, PartialEq, Eq, PartialOrd, Ord)]
|
||||
|
@ -205,7 +198,7 @@ impl Node {
|
|||
}
|
||||
|
||||
fn extend(&mut self, pat: &ds::Pattern) -> &mut Continuation {
|
||||
let (_pop_count, final_node) = self.extend_walk(&mut Vec::new(), 0, PathStep::Index(0), pat);
|
||||
let (_pop_count, final_node) = self.extend_walk(&mut Vec::new(), 0, PathStep::new(0), pat);
|
||||
&mut final_node.continuation
|
||||
}
|
||||
|
||||
|
@ -216,23 +209,13 @@ impl Node {
|
|||
step: PathStep,
|
||||
pat: &ds::Pattern,
|
||||
) -> (usize, &mut Node) {
|
||||
let (guard, members): (Guard, Vec<(PathStep, &ds::Pattern)>) = match pat {
|
||||
ds::Pattern::DCompound(b) => match &**b {
|
||||
ds::DCompound::Arr { items } =>
|
||||
(Guard::Seq(items.len()),
|
||||
items.iter().enumerate().map(|(i, p)| (PathStep::Index(i), p)).collect()),
|
||||
ds::DCompound::Rec { label, fields } =>
|
||||
(Guard::Rec(label.clone(), fields.len()),
|
||||
fields.iter().enumerate().map(|(i, p)| (PathStep::Index(i), p)).collect()),
|
||||
ds::DCompound::Dict { entries, .. } =>
|
||||
(Guard::Map,
|
||||
entries.iter().map(|(k, p)| (PathStep::Key(k.clone()), p)).collect()),
|
||||
}
|
||||
ds::Pattern::DBind(b) => {
|
||||
let ds::DBind { pattern, .. } = &**b;
|
||||
return self.extend_walk(path, pop_count, step, pattern);
|
||||
}
|
||||
ds::Pattern::DDiscard(_) | ds::Pattern::DLit(_) =>
|
||||
let (guard, members): (ds::GroupType, Vec<(PathStep, &ds::Pattern)>) = match pat {
|
||||
ds::Pattern::Group { type_, entries } =>
|
||||
((&**type_).clone(),
|
||||
entries.iter().map(|(k, p)| (k.clone(), p)).collect()),
|
||||
ds::Pattern::Bind { pattern } =>
|
||||
return self.extend_walk(path, pop_count, step, &**pattern),
|
||||
ds::Pattern::Discard | ds::Pattern::Lit { .. } =>
|
||||
return (pop_count, self),
|
||||
};
|
||||
|
||||
|
@ -336,41 +319,46 @@ where FCont: FnMut(&mut Continuation, &AnyValue) -> (),
|
|||
|
||||
fn continuation(&mut self, c: &mut Continuation) {
|
||||
(self.m_cont)(c, self.outer_value);
|
||||
let mut empty_const_paths = Vec::new();
|
||||
for (const_paths, const_val_map) in &mut c.leaf_map {
|
||||
if let Some(const_vals) = project_paths(self.outer_value, const_paths) {
|
||||
let leaf_opt = if self.create_leaf_if_absent {
|
||||
Some(const_val_map.entry(const_vals.clone()).or_insert_with(Leaf::new))
|
||||
} else {
|
||||
const_val_map.get_mut(&const_vals)
|
||||
};
|
||||
if let Some(leaf) = leaf_opt {
|
||||
(self.m_leaf)(leaf, self.outer_value);
|
||||
for (capture_paths, endpoints) in &mut leaf.endpoints_map {
|
||||
if let Some(cs) = project_paths(self.outer_value, &capture_paths) {
|
||||
(self.m_endpoints)(endpoints, cs);
|
||||
}
|
||||
let mut empty_const_positions = Vec::new();
|
||||
for (const_positions, const_val_map) in &mut c.leaf_map {
|
||||
if project_paths(self.outer_value, &const_positions.required_to_exist).is_none() {
|
||||
continue;
|
||||
}
|
||||
let const_vals = match project_paths(self.outer_value, &const_positions.with_values) {
|
||||
Some(vs) => vs,
|
||||
None => continue,
|
||||
};
|
||||
let leaf_opt = if self.create_leaf_if_absent {
|
||||
Some(const_val_map.entry(const_vals.clone()).or_insert_with(Leaf::new))
|
||||
} else {
|
||||
const_val_map.get_mut(&const_vals)
|
||||
};
|
||||
if let Some(leaf) = leaf_opt {
|
||||
(self.m_leaf)(leaf, self.outer_value);
|
||||
for (capture_paths, endpoints) in &mut leaf.endpoints_map {
|
||||
if let Some(cs) = project_paths(self.outer_value, &capture_paths) {
|
||||
(self.m_endpoints)(endpoints, cs);
|
||||
}
|
||||
if leaf.is_empty() {
|
||||
const_val_map.remove(&const_vals);
|
||||
if const_val_map.is_empty() {
|
||||
empty_const_paths.push(const_paths.clone());
|
||||
}
|
||||
}
|
||||
if leaf.is_empty() {
|
||||
const_val_map.remove(&const_vals);
|
||||
if const_val_map.is_empty() {
|
||||
empty_const_positions.push(const_positions.clone());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
for const_paths in empty_const_paths {
|
||||
c.leaf_map.remove(&const_paths);
|
||||
for const_positions in empty_const_positions {
|
||||
c.leaf_map.remove(&const_positions);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn class_of(v: &AnyValue) -> Option<Guard> {
|
||||
fn class_of(v: &AnyValue) -> Option<ds::GroupType> {
|
||||
match v.value() {
|
||||
Value::Sequence(vs) => Some(Guard::Seq(vs.len())),
|
||||
Value::Record(r) => Some(Guard::Rec(r.label().clone(), r.arity())),
|
||||
Value::Dictionary(_) => Some(Guard::Map),
|
||||
Value::Sequence(_) => Some(ds::GroupType::Arr),
|
||||
Value::Record(r) => Some(ds::GroupType::Rec { label: r.label().clone() }),
|
||||
Value::Dictionary(_) => Some(ds::GroupType::Dict),
|
||||
_ => None,
|
||||
}
|
||||
}
|
||||
|
@ -398,15 +386,17 @@ fn project_paths<'a>(v: &'a AnyValue, ps: &Paths) -> Option<Captures> {
|
|||
}
|
||||
|
||||
fn step<'a>(v: &'a AnyValue, s: &PathStep) -> Option<&'a AnyValue> {
|
||||
match (v.value(), s) {
|
||||
(Value::Sequence(vs), PathStep::Index(i)) =>
|
||||
if *i < vs.len() { Some(&vs[*i]) } else { None },
|
||||
(Value::Record(r), PathStep::Index(i)) =>
|
||||
if *i < r.arity() { Some(&r.fields()[*i]) } else { None },
|
||||
(Value::Dictionary(m), PathStep::Key(k)) =>
|
||||
m.get(k),
|
||||
_ =>
|
||||
None,
|
||||
match v.value() {
|
||||
Value::Sequence(vs) => {
|
||||
let i = s.value().as_usize()?;
|
||||
if i < vs.len() { Some(&vs[i]) } else { None }
|
||||
}
|
||||
Value::Record(r) => {
|
||||
let i = s.value().as_usize()?;
|
||||
if i < r.arity() { Some(&r.fields()[i]) } else { None }
|
||||
}
|
||||
Value::Dictionary(m) => m.get(s),
|
||||
_ => None,
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -423,11 +413,14 @@ impl Continuation {
|
|||
) {
|
||||
let cached_assertions = &self.cached_assertions;
|
||||
let const_val_map =
|
||||
self.leaf_map.entry(analysis.const_paths.clone()).or_insert_with({
|
||||
self.leaf_map.entry(analysis.const_positions.clone()).or_insert_with({
|
||||
|| {
|
||||
let mut cvm = Map::new();
|
||||
for a in cached_assertions {
|
||||
if let Some(key) = project_paths(a, &analysis.const_paths) {
|
||||
if project_paths(a, &analysis.const_positions.required_to_exist).is_none() {
|
||||
continue;
|
||||
}
|
||||
if let Some(key) = project_paths(a, &analysis.const_positions.with_values) {
|
||||
cvm.entry(key).or_insert_with(Leaf::new)
|
||||
.cached_assertions.insert(a.clone());
|
||||
}
|
||||
|
@ -462,7 +455,7 @@ impl Continuation {
|
|||
observer: &Arc<Cap>,
|
||||
) {
|
||||
if let Entry::Occupied(mut const_val_map_entry)
|
||||
= self.leaf_map.entry(analysis.const_paths)
|
||||
= self.leaf_map.entry(analysis.const_positions)
|
||||
{
|
||||
let const_val_map = const_val_map_entry.get_mut();
|
||||
if let Entry::Occupied(mut leaf_entry)
|
||||
|
|
Loading…
Reference in New Issue