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use crate::{
expr::print::{PrettyBuf, PrettyDisplay},
typ::{Type, TypeRef},
PrintFlag, PRINT_FLAGS,
};
use netidx::publisher::Typ;
use std::fmt::{self, Write};
impl fmt::Display for Type {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::Abstract { id, params } if params.is_empty() => write!(f, "abstract"),
Self::Abstract { id, params: _ } => write!(f, "<abstract#{}>", id.0),
Self::Bottom => write!(f, "_"),
Self::Any => write!(f, "Any"),
Self::Ref (TypeRef { scope: _, name, params , ..}) => {
write!(f, "{name}")?;
if !params.is_empty() {
write!(f, "<")?;
for (i, t) in params.iter().enumerate() {
write!(f, "{t}")?;
if i < params.len() - 1 {
write!(f, ", ")?;
}
}
write!(f, ">")?;
}
Ok(())
}
Self::TVar(tv) => write!(f, "{tv}"),
Self::Fn(t) => write!(f, "{t}"),
Self::Error(t) => write!(f, "Error<{t}>"),
Self::Array(t) => write!(f, "Array<{t}>"),
Self::Map { key, value } => write!(f, "Map<{key}, {value}>"),
Self::ByRef(t) => write!(f, "&{t}"),
Self::Tuple(ts) => {
write!(f, "(")?;
for (i, t) in ts.iter().enumerate() {
write!(f, "{t}")?;
if i < ts.len() - 1 {
write!(f, ", ")?;
}
}
write!(f, ")")
}
Self::Variant(tag, ts) if ts.len() == 0 => {
write!(f, "`{tag}")
}
Self::Variant(tag, ts) => {
write!(f, "`{tag}(")?;
for (i, t) in ts.iter().enumerate() {
write!(f, "{t}")?;
if i < ts.len() - 1 {
write!(f, ", ")?
}
}
write!(f, ")")
}
Self::Struct(ts) => {
write!(f, "{{")?;
for (i, (n, t)) in ts.iter().enumerate() {
write!(f, "{n}: {t}")?;
if i < ts.len() - 1 {
write!(f, ", ")?
}
}
write!(f, "}}")
}
Self::Set(s) => {
write!(f, "[")?;
for (i, t) in s.iter().enumerate() {
write!(f, "{t}")?;
if i < s.len() - 1 {
write!(f, ", ")?;
}
}
write!(f, "]")
}
Self::Primitive(s) => {
let replace = PRINT_FLAGS.get().contains(PrintFlag::ReplacePrims);
if replace && *s == Typ::number() {
write!(f, "Number")
} else if replace && *s == Typ::float() {
write!(f, "Float")
} else if replace && *s == Typ::real() {
write!(f, "Real")
} else if replace && *s == Typ::integer() {
write!(f, "Int")
} else if replace && *s == Typ::unsigned_integer() {
write!(f, "Uint")
} else if replace && *s == Typ::signed_integer() {
write!(f, "Sint")
} else if s.len() == 0 {
write!(f, "[]")
} else if s.len() == 1 {
write!(f, "{}", s.iter().next().unwrap())
} else {
let mut s = *s;
macro_rules! builtin {
($set:expr, $name:literal) => {
if replace && s.contains($set) {
s.remove($set);
write!(f, $name)?;
if !s.is_empty() {
write!(f, ", ")?
}
}
};
}
write!(f, "[")?;
builtin!(Typ::number(), "Number");
builtin!(Typ::real(), "Real");
builtin!(Typ::float(), "Float");
builtin!(Typ::integer(), "Int");
builtin!(Typ::unsigned_integer(), "Uint");
builtin!(Typ::signed_integer(), "Sint");
for (i, t) in s.iter().enumerate() {
write!(f, "{t}")?;
if i < s.len() - 1 {
write!(f, ", ")?;
}
}
write!(f, "]")
}
}
}
}
}
impl PrettyDisplay for Type {
fn fmt_pretty_inner(&self, buf: &mut PrettyBuf) -> fmt::Result {
match self {
Self::Abstract { .. } => writeln!(buf, "{self}"),
Self::Bottom => writeln!(buf, "_"),
Self::Any => writeln!(buf, "Any"),
Self::Ref (TypeRef { scope: _, name, params , ..}) => {
if params.is_empty() {
writeln!(buf, "{name}")
} else {
writeln!(buf, "{name}<")?;
buf.with_indent(2, |buf| {
for (i, t) in params.iter().enumerate() {
t.fmt_pretty(buf)?;
if i < params.len() - 1 {
buf.kill_newline();
writeln!(buf, ",")?;
}
}
Ok(())
})?;
writeln!(buf, ">")
}
}
Self::TVar(tv) => writeln!(buf, "{tv}"),
Self::Fn(t) => t.fmt_pretty(buf),
Self::Error(t) => {
writeln!(buf, "Error<")?;
buf.with_indent(2, |buf| t.fmt_pretty(buf))?;
writeln!(buf, ">")
}
Self::Array(t) => {
writeln!(buf, "Array<")?;
buf.with_indent(2, |buf| t.fmt_pretty(buf))?;
writeln!(buf, ">")
}
Self::Map { key, value } => {
writeln!(buf, "Map<")?;
buf.with_indent(2, |buf| {
key.fmt_pretty(buf)?;
buf.kill_newline();
writeln!(buf, ",")?;
value.fmt_pretty(buf)
})?;
writeln!(buf, ">")
}
Self::ByRef(t) => {
write!(buf, "&")?;
t.fmt_pretty(buf)
}
Self::Tuple(ts) => {
writeln!(buf, "(")?;
buf.with_indent(2, |buf| {
for (i, t) in ts.iter().enumerate() {
t.fmt_pretty(buf)?;
if i < ts.len() - 1 {
buf.kill_newline();
writeln!(buf, ",")?;
}
}
Ok(())
})?;
writeln!(buf, ")")
}
Self::Variant(tag, ts) if ts.is_empty() => writeln!(buf, "`{tag}"),
Self::Variant(tag, ts) => {
writeln!(buf, "`{tag}(")?;
buf.with_indent(2, |buf| {
for (i, t) in ts.iter().enumerate() {
t.fmt_pretty(buf)?;
if i < ts.len() - 1 {
buf.kill_newline();
writeln!(buf, ",")?;
}
}
Ok(())
})?;
writeln!(buf, ")")
}
Self::Struct(ts) => {
writeln!(buf, "{{")?;
buf.with_indent(2, |buf| {
for (i, (n, t)) in ts.iter().enumerate() {
write!(buf, "{n}: ")?;
buf.with_indent(2, |buf| t.fmt_pretty(buf))?;
if i < ts.len() - 1 {
buf.kill_newline();
writeln!(buf, ",")?;
}
}
Ok(())
})?;
writeln!(buf, "}}")
}
Self::Set(s) => {
writeln!(buf, "[")?;
buf.with_indent(2, |buf| {
for (i, t) in s.iter().enumerate() {
t.fmt_pretty(buf)?;
if i < s.len() - 1 {
buf.kill_newline();
writeln!(buf, ",")?;
}
}
Ok(())
})?;
writeln!(buf, "]")
}
Self::Primitive(_) => {
// Primitives are simple enough to just use Display
writeln!(buf, "{self}")
}
}
}
}