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use crate::ast::argument_list::ArgumentList;
use crate::availability::Availability;
use crate::ast::expression::ExpressionKind;
use crate::ast::node::Node;
use crate::ast::reference_space::ReferenceSpace;
use crate::ast::schema::Schema;
use crate::ast::source::Source;
use crate::ast::span::Span;
use crate::ast::subscript::Subscript;
use crate::ast::unit::Unit;
use crate::r#type::r#type::Type;
use crate::search::search_identifier_path::{search_identifier_path_names_with_filter_to_path};
use crate::traits::identifiable::Identifiable;
use crate::traits::named_identifiable::NamedIdentifiable;
use crate::traits::node_trait::NodeTrait;
use crate::traits::resolved::Resolve;
use crate::utils::top_filter::top_filter_for_reference_type;
#[derive(Debug)]
pub enum UnitSearchResult {
Type(Type),
Reference(Vec<usize>),
}
impl UnitSearchResult {
pub(super) fn is_reference(&self) -> bool {
self.as_reference().is_some()
}
pub(super) fn as_reference(&self) -> Option<&Vec<usize>> {
match self {
Self::Reference(r) => Some(r),
_ => None,
}
}
pub(super) fn is_type(&self) -> bool {
self.as_type().is_some()
}
pub(super) fn as_type(&self) -> Option<&Type> {
match self {
Self::Type(t) => Some(t),
_ => None,
}
}
}
pub fn search_unit_for_definition<HAL, HS, HI, OUTPUT>(
schema: &Schema,
source: &Source,
unit: &Unit,
namespace_path: &Vec<&str>,
line_col: (usize, usize),
handle_argument_list: HAL,
handle_subscript: HS,
handle_identifier: HI,
default: OUTPUT,
availability: Availability,
) -> OUTPUT where
HAL: Fn(&ArgumentList, &Vec<usize>, Option<&str>) -> OUTPUT,
HS: Fn(&Subscript) -> OUTPUT,
HI: Fn(Span, &Vec<usize>, Option<&str>) -> OUTPUT,
{
let mut current: Option<UnitSearchResult> = None;
for (index, expression) in unit.expressions().enumerate() {
if index == 0 {
let mut identifier_span = None;
current = Some(if let Some(identifier) = expression.kind.as_identifier() {
if let Some(path) = search_identifier_path_names_with_filter_to_path(
&vec![identifier.name()],
schema,
source,
namespace_path,
&top_filter_for_reference_type(ReferenceSpace::Default),
availability,
) {
identifier_span = Some(identifier.span);
UnitSearchResult::Reference(path)
} else {
UnitSearchResult::Type(Type::Undetermined)
}
} else {
UnitSearchResult::Type(expression.resolved().r#type().clone())
});
if expression.span().contains_line_col(line_col) {
if let Some(current) = current {
return match current {
UnitSearchResult::Type(_) => default,
UnitSearchResult::Reference(path) => handle_identifier(identifier_span.unwrap(), &path, None),
}
}
break
}
if current.is_some() && current.as_ref().unwrap().is_reference() {
let top = schema.find_top_by_path(current.as_ref().unwrap().as_reference().unwrap()).unwrap();
if top.is_constant_declaration() {
current = Some(UnitSearchResult::Type(top.as_constant_declaration().unwrap().resolved().r#type.clone()));
}
}
} else {
if current.as_ref().is_some() {
match current.as_ref().unwrap() {
UnitSearchResult::Type(current_type) => {
if let Some((reference, _)) = current_type.as_struct_object() {
match &expression.kind {
ExpressionKind::Identifier(_) => {
return default
}
ExpressionKind::Subscript(subscript) => {
let struct_declaration = schema.find_top_by_path(reference.path()).unwrap().as_struct_declaration().unwrap();
if subscript.span.contains_line_col(line_col) {
if subscript.expression().span().contains_line_col(line_col) {
return handle_subscript(&subscript);
} else {
return default;
}
} else {
if let Some(subscript_function) = struct_declaration.function_declarations().find(|f| {
f.r#static == false && f.identifier().name() == "subscript"
}) {
current = Some(UnitSearchResult::Type(subscript_function.return_type().resolved().clone()));
} else {
return default;
}
}
}
_ => unreachable!(),
}
} else {
return default;
}
}
UnitSearchResult::Reference(current_reference) => {
match schema.find_top_by_path(¤t_reference).unwrap() {
Node::StructDeclaration(struct_declaration) => {
match &expression.kind {
ExpressionKind::ArgumentList(argument_list) => {
if let Some(new) = struct_declaration.function_declarations().find(|f| f.r#static && f.identifier().name() == "new") {
if argument_list.span.contains_line_col(line_col) {
return handle_argument_list(argument_list, &struct_declaration.path, Some(new.identifier().name()));
} else {
current = Some(UnitSearchResult::Type(new.return_type().resolved().clone()));
}
} else {
return default;
}
}
ExpressionKind::Subscript(_s) => {
return default;
}
ExpressionKind::Identifier(_i) => {
return default;
}
_ => unreachable!()
}
},
Node::Config(config) => {
match &expression.kind {
ExpressionKind::Identifier(identifier) => {
if let Some(item) = config.items().iter().find(|(k, v)| k.named_key_without_resolving().is_some() && k.named_key_without_resolving().unwrap() == identifier.name()) {
if identifier.span.contains_line_col(line_col) {
return handle_identifier(identifier.span, config.path.as_ref(), item.0.named_key_without_resolving());
} else {
current = Some(UnitSearchResult::Type(item.1.resolved().r#type.clone()));
}
} else {
return default;
}
},
ExpressionKind::ArgumentList(_a) => {
return default;
}
ExpressionKind::Subscript(_s) => {
return default;
}
_ => unreachable!()
}
}
Node::Enum(r#enum) => {
match &expression.kind {
ExpressionKind::Identifier(i) => {
if let Some(member) = r#enum.members().find(|m| m.identifier().name() == i.name()) {
if i.span.contains_line_col(line_col) {
return handle_identifier(i.span, r#enum.path.as_ref(), Some(member.identifier().name()));
} else {
return default;
}
} else {
return default;
}
}
ExpressionKind::ArgumentList(_a) => {
return default;
}
ExpressionKind::Subscript(_s) => {
return default;
}
_ => unreachable!()
}
}
Node::Model(model) => {
match &expression.kind {
ExpressionKind::Identifier(identifier) => {
if let Some(field) = model.fields().find(|f| f.name() == identifier.name()) {
if identifier.span.contains_line_col(line_col) {
return handle_identifier(identifier.span, model.path.as_ref(), Some(field.name()));
} else {
return default;
}
} else {
return default;
}
},
ExpressionKind::ArgumentList(_a) => {
return default;
}
ExpressionKind::Subscript(_s) => {
return default;
}
_ => unreachable!()
}
}
Node::InterfaceDeclaration(interface) => {
match &expression.kind {
ExpressionKind::Identifier(identifier) => {
if let Some(field) = interface.fields().find(|f| f.name() == identifier.name()) {
if identifier.span.contains_line_col(line_col) {
return handle_identifier(identifier.span, interface.path.as_ref(), Some(field.name()));
} else {
return default;
}
} else {
return default;
}
},
ExpressionKind::ArgumentList(_a) => {
return default;
}
ExpressionKind::Subscript(_s) => {
return default;
}
_ => unreachable!()
}
}
Node::Namespace(namespace) => {
match &expression.kind {
ExpressionKind::Identifier(identifier) => {
if let Some(top) = namespace.find_top_by_name(identifier.name(), &top_filter_for_reference_type(ReferenceSpace::Default), availability) {
if identifier.span.contains_line_col(line_col) {
return handle_identifier(identifier.span, top.path(), None);
} else {
return default;
}
} else {
return default;
}
},
ExpressionKind::ArgumentList(_a) => {
return default;
}
ExpressionKind::Subscript(_s) => {
return default;
}
_ => unreachable!()
}
}
_ => unreachable!()
}
}
}
} else {
return default
}
}
}
default
}