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#![allow(dead_code)]
use super::check::MethodInfo;
use super::lookup::MethodSet;
use super::obj::fmt_obj;
use super::objects::TCObjects;
use super::objects::{ObjKey, ScopeKey, TypeKey};
use super::operand::{fmt_expr, Operand};
use super::scope::fmt_scope_full;
use super::selection::Selection;
use super::typ::fmt_type;
use go_parser::{ast::Expr, ast::Node, AstObjects, Pos};
use std::fmt;
pub fn type_str(t: &TypeKey, tco: &TCObjects) -> String {
format!("{}", Displayer::new(t, None, Some(tco)))
}
pub trait Display {
fn format(
&self,
f: &mut fmt::Formatter,
asto: Option<&AstObjects>,
tco: Option<&TCObjects>,
) -> fmt::Result;
fn position(&self, _: Option<&AstObjects>, _: Option<&TCObjects>) -> Pos {
unreachable!()
}
}
pub struct Displayer<'a> {
obj: &'a dyn Display,
asto: Option<&'a AstObjects>,
tco: Option<&'a TCObjects>,
}
impl<'a> Displayer<'a> {
pub fn new(
obj: &'a dyn Display,
asto: Option<&'a AstObjects>,
tco: Option<&'a TCObjects>,
) -> Displayer<'a> {
Displayer {
obj: obj,
asto: asto,
tco: tco,
}
}
pub fn pos(&self) -> Pos {
self.obj.position(self.asto, self.tco)
}
}
impl<'a> fmt::Display for Displayer<'a> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
self.obj.format(f, self.asto, self.tco)
}
}
impl<'a> Display for Expr {
fn format(
&self,
f: &mut fmt::Formatter,
asto: Option<&AstObjects>,
_: Option<&TCObjects>,
) -> fmt::Result {
fmt_expr(self, f, asto.as_ref().unwrap())
}
fn position(&self, asto: Option<&AstObjects>, _: Option<&TCObjects>) -> Pos {
self.pos(asto.as_ref().unwrap())
}
}
impl<'a> Display for Operand {
fn format(
&self,
f: &mut fmt::Formatter,
asto: Option<&AstObjects>,
tco: Option<&TCObjects>,
) -> fmt::Result {
self.fmt(f, tco.as_ref().unwrap(), asto.as_ref().unwrap())
}
fn position(&self, asto: Option<&AstObjects>, _: Option<&TCObjects>) -> Pos {
self.pos(asto.as_ref().unwrap())
}
}
impl<'a> Display for ObjKey {
fn format(
&self,
f: &mut fmt::Formatter,
_: Option<&AstObjects>,
tco: Option<&TCObjects>,
) -> fmt::Result {
fmt_obj(*self, f, tco.as_ref().unwrap())
}
fn position(&self, _: Option<&AstObjects>, tco: Option<&TCObjects>) -> Pos {
tco.as_ref().unwrap().lobjs[*self].pos()
}
}
impl<'a> Display for TypeKey {
fn format(
&self,
f: &mut fmt::Formatter,
_: Option<&AstObjects>,
tco: Option<&TCObjects>,
) -> fmt::Result {
fmt_type(Some(*self), f, tco.as_ref().unwrap())
}
}
impl<'a> Display for MethodInfo {
fn format(
&self,
f: &mut fmt::Formatter,
asto: Option<&AstObjects>,
tco: Option<&TCObjects>,
) -> fmt::Result {
self.fmt(f, tco.as_ref().unwrap(), asto.as_ref().unwrap())
}
}
impl<'a> Display for Selection {
fn format(
&self,
f: &mut fmt::Formatter,
_: Option<&AstObjects>,
tco: Option<&TCObjects>,
) -> fmt::Result {
self.fmt(f, tco.as_ref().unwrap())
}
}
impl<'a> Display for MethodSet {
fn format(
&self,
f: &mut fmt::Formatter,
_: Option<&AstObjects>,
tco: Option<&TCObjects>,
) -> fmt::Result {
self.fmt(f, tco.as_ref().unwrap())
}
}
impl<'a> Display for ScopeKey {
fn format(
&self,
f: &mut fmt::Formatter,
_: Option<&AstObjects>,
tco: Option<&TCObjects>,
) -> fmt::Result {
fmt_scope_full(self, f, 0, tco.as_ref().unwrap())
}
}