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use crate::common::errors::*;
use crate::common::score::Result;
use crate::common::source::Spanned;
use crate::add_ctx::AddContext;
use crate::hir;
use crate::score::*;
use crate::syntax::ast;
use crate::ty::*;
impl<'sbc, 'lazy, 'sb, 'ast, 'ctx> AddContext<'sbc, 'lazy, 'sb, 'ast, 'ctx> {
pub fn add_const_decl<I>(&self, decl: &'ast ast::ObjDecl) -> Result<Vec<I>>
where
I: From<ConstDeclRef>,
{
let ty = self.add_subtype_ind(&decl.subtype)?;
let init = self.add_optional(&decl.init, AddContext::add_expr)?;
self.ctx
.set_type_context_optional(init, TypeCtx::TypeOf(ty.into()));
if let Some(Spanned { span, .. }) = decl.detail {
self.emit(DiagBuilder2::error("expected `:=` or `;`").span(span));
}
decl.names
.iter()
.map(|dn| {
let (mk, id, scope) = self.make::<ConstDeclRef>(dn.span);
mk.lower_to_hir(Box::new(move |_sbc| {
Ok(hir::Decl {
parent: scope,
span: dn.span,
name: (*dn).into(),
decl: hir::ConstDecl { ty: ty, init: init },
})
}));
mk.typeval(Box::new(move |tyc| {
let hir = tyc.ctx.lazy_hir(id)?;
let ty = tyc.lazy_typeval(hir.decl.ty)?;
if let Some(init) = hir.decl.init {
let init_ty = tyc.lazy_typeval(init)?;
tyc.must_match(ty, init_ty, tyc.ctx.span(init).unwrap());
}
Ok(ty)
}));
Ok(mk.finish().into())
})
.collect()
}
pub fn add_signal_decl<I>(&self, decl: &'ast ast::ObjDecl) -> Result<Vec<I>>
where
I: From<SignalDeclRef>,
{
let ty = self.add_subtype_ind(&decl.subtype)?;
let init = self.add_optional(&decl.init, AddContext::add_expr)?;
self.ctx
.set_type_context_optional(init, TypeCtx::TypeOf(ty.into()));
let kind = match decl.detail {
Some(Spanned {
value: ast::ObjDetail::Register,
..
}) => hir::SignalKind::Register,
Some(Spanned {
value: ast::ObjDetail::Bus,
..
}) => hir::SignalKind::Bus,
Some(Spanned { span, .. }) => {
self.emit(DiagBuilder2::error("expected `:=` or `;`").span(span));
hir::SignalKind::Normal
}
None => hir::SignalKind::Normal,
};
decl.names
.iter()
.map(|dn| {
let (mk, id, scope) = self.make::<SignalDeclRef>(dn.span);
mk.lower_to_hir(Box::new(move |_sbc| {
Ok(hir::Decl {
parent: scope,
span: dn.span,
name: (*dn).into(),
decl: hir::SignalDecl {
ty: ty,
kind: kind,
init: init,
},
})
}));
mk.typeval(Box::new(move |tyc| {
let hir = tyc.ctx.lazy_hir(id)?;
let ty = tyc.lazy_typeval(hir.decl.ty)?;
if let Some(init) = hir.decl.init {
let init_ty = tyc.lazy_typeval(init)?;
tyc.must_match(ty, init_ty, tyc.ctx.span(init).unwrap());
}
Ok(ty)
}));
Ok(mk.finish().into())
})
.collect()
}
pub fn add_var_decl<I>(&self, decl: &'ast ast::ObjDecl) -> Result<Vec<I>>
where
I: From<VarDeclRef>,
{
let ty = self.add_subtype_ind(&decl.subtype)?;
let init = self.add_optional(&decl.init, AddContext::add_expr)?;
self.ctx
.set_type_context_optional(init, TypeCtx::TypeOf(ty.into()));
if let Some(Spanned { span, .. }) = decl.detail {
self.emit(DiagBuilder2::error("expected `:=` or `;`").span(span));
}
decl.names
.iter()
.map(|dn| {
let (mk, id, scope) = self.make::<VarDeclRef>(dn.span);
mk.lower_to_hir(Box::new(move |_sbc| {
Ok(hir::Decl {
parent: scope,
span: dn.span,
name: (*dn).into(),
decl: hir::VarDecl {
shared: decl.kind == ast::ObjKind::SharedVar,
ty: ty,
init: init,
},
})
}));
mk.typeval(Box::new(move |tyc| {
let hir = tyc.ctx.lazy_hir(id)?;
let ty = tyc.lazy_typeval(hir.decl.ty)?;
if let Some(init) = hir.decl.init {
let init_ty = tyc.lazy_typeval(init)?;
tyc.must_match(ty, init_ty, tyc.ctx.span(init).unwrap());
}
Ok(ty)
}));
Ok(mk.finish().into())
})
.collect()
}
pub fn add_file_decl<I>(&self, decl: &'ast ast::ObjDecl) -> Result<Vec<I>>
where
I: From<FileDeclRef>,
{
let ty = self.add_subtype_ind(&decl.subtype)?;
if let Some(ref init) = decl.init {
self.emit(DiagBuilder2::error("expected `;`, `open`, or `is`").span(init.span));
}
decl.names
.iter()
.map(|dn| {
let (mk, id, scope) = self.make::<FileDeclRef>(dn.span);
mk.lower_to_hir(Box::new(move |sbc| {
let ctx = AddContext::new(sbc, scope);
let (mode, filename) = match decl.detail {
Some(Spanned {
value: ast::ObjDetail::Open(ref mode, ref filename),
..
}) => {
let mode = ctx.add_optional(mode, AddContext::add_expr)?;
let filename = ctx.add_expr(filename)?;
(mode, Some(filename))
}
Some(Spanned { span, .. }) => {
sbc.emit(
DiagBuilder2::error("expected `;`, `open`, or `is`").span(span),
);
(None, None)
}
None => (None, None),
};
Ok(hir::Decl {
parent: scope,
span: dn.span,
name: (*dn).into(),
decl: hir::FileDecl {
ty: ty,
filename: filename,
mode: mode,
},
})
}));
mk.typeval(Box::new(move |tyc| {
let hir = tyc.ctx.lazy_hir(id)?;
let ty = tyc.ctx.lazy_typeval(hir.decl.ty)?;
let file_ty = tyc.ctx.intern_ty(Ty::File(Box::new(ty.clone())));
Ok(file_ty)
}));
Ok(mk.finish().into())
})
.collect()
}
}