---
source: crates/bullion/language/syntax/macro/src/ast/tests.rs
expression: "use bullion_syntax_macro::ast::tests::definition"
snapshot_kind: text
---
Source: >
  #[bullion_syntax(AST)]
  pub struct Definition {
      items: Vec<crate::declaration::Function, crate::declaration::Import>,
      expr: NodeId<crate::expression::Expression>,
  }

Output: >
  #[derive(Clone, PartialEq)]
  pub struct Definition {
      /// The unique identifier for this node.
      pub(crate) id: crate::NodeId,
      /// The syntax node id that this node is based on.
      pub(crate) syntax: bullion_syntax_concrete::CstNodeId,
      /// Any meta information that is associated with this node.
      pub(crate) meta: Option<crate::NodeId>,
      pub(crate) items: Vec<crate::NodeId>,
      pub(crate) expr: crate::NodeId,
  }
  impl Definition {
      pub fn get_id(&self) -> crate::NodeId {
          self.id
      }
      pub fn get_syntax(&self) -> bullion_syntax_concrete::CstNodeId {
          self.syntax
      }
      pub fn get_meta(&self) -> Option<crate::NodeId> {
          self.meta
      }
  }
  pub mod definition_field {
      #[derive(Debug)]
      pub enum Items<'ast> {
          DeclarationFunction(&'ast crate::declaration::Function),
          DeclarationImport(&'ast crate::declaration::Import),
          Error,
      }
      impl<'ast> Items<'ast> {
          pub fn validate(&self, ast: &'ast crate::AST) -> bullion_error::Result<()> {
              match self {
                  Self::Error => Err(bullion_error::BLC2204()),
                  _ => Ok(()),
              }
          }
          pub fn from_node(node: &'ast crate::Node) -> Option<Items<'ast>> {
              Some(Self::from(node))
          }
      }
      impl<'ast> From<&'ast crate::Node> for Items<'ast> {
          fn from(n: &'ast crate::Node) -> Self {
              match n {
                  crate::Node::DeclarationFunction(val) => Items::DeclarationFunction(val),
                  crate::Node::DeclarationImport(val) => Items::DeclarationImport(val),
                  _ => Items::Error,
              }
          }
      }
      impl<'ast> From<&'ast crate::declaration::Function> for Items<'ast> {
          fn from(v: &'ast crate::declaration::Function) -> Self {
              Self::DeclarationFunction(v)
          }
      }
      impl<'ast> From<&'ast crate::declaration::Import> for Items<'ast> {
          fn from(v: &'ast crate::declaration::Import) -> Self {
              Self::DeclarationImport(v)
          }
      }
  }
  #[allow(unused)]
  impl Definition {
      ///Returns the `items` field
      pub fn get_items<'ast>(
          &self,
          ast: &'ast crate::AST,
      ) -> Vec<definition_field::Items<'ast>> {
          {
              let items = &self.items;
              items
                  .iter()
                  .filter_map(|n| {
                      ast
                          .node(*n)
                          .and_then(|node| definition_field::Items::from_node(node))
                  })
                  .collect::<Vec<_>>()
          }
      }
      ///Returns the `expr` field
      pub fn get_expr<'ast>(
          &self,
          ast: &'ast crate::AST,
      ) -> Option<&'ast crate::expression::Expression> {
          {
              let expr = &self.expr;
              ast.node(*expr)
                  .and_then(|node| crate::expression::Expression::from_node(node))
          }
      }
      ///Returns the NodeId for the `expr` field
      pub fn get_expr_id<'ast>(&self, ast: &'ast crate::AST) -> crate::NodeId {
          {
              let expr = &self.expr;
              *expr
          }
      }
  }
  #[allow(unused)]
  impl<'ast> Definition {
      pub fn validate(&self, ast: &'ast crate::AST) -> bullion_error::Result<()> {
          self.get_items(ast).iter().map(|f| f.validate(ast).unwrap());
          Ok(())
      }
  }
  #[allow(unused)]
  impl std::fmt::Display for Definition {
      fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
          f.debug_struct(
                  &format!(
                      "{}::{}", & module_path!() .replace("bullion_syntax_abstract::", ""),
                      "Definition"
                  ),
              )
              .finish()
      }
  }
  #[allow(unused)]
  impl std::fmt::Debug for Definition {
      fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
          f.debug_struct(
                  &format!(
                      "{}::{}", & module_path!() .replace("bullion_syntax_abstract::", ""),
                      "Definition"
                  ),
              )
              .finish()
      }
  }
  #[allow(unused)]
  impl bluegum::Bluegum for Definition {
      fn node(&self, b: &mut bluegum::Builder) {
          b.name(
              &crate::style_title(
                  &module_path!().replace("bullion_syntax_abstract::", ""),
                  &"Definition",
              ),
          );
      }
  }
  #[allow(unused)]
  impl<'tokens, 'src> bluegum::BluegumWithState<crate::Printer<'tokens>> for Definition {
      fn node_with_state(
          &self,
          b: &mut bluegum::Builder,
          state: &crate::Printer<'tokens>,
      ) {
          use owo_colors::OwoColorize;
          use unicode_width::UnicodeWidthStr;
          b.name(
              &crate::style_title(
                  &module_path!().replace("bullion_syntax_abstract::", ""),
                  &"Definition",
              ),
          );
          if let Some(cst_node) = state.get_syntax(self.syntax) {
              let span = cst_node.span();
              if let Some(span_data) = span.data(state.get_span_cache()) {
                  b.debug(
                      "span",
                      format!("{}..{}", span_data.start, span_data.start + span_data.len),
                  );
              }
          }
          if let Some(meta) = self.meta {
              b.add_node_with_state(state, &"meta".blue().italic().to_string(), &meta);
          }
          {
              {
                  let items = &self.items;
                  b.add_nodes_of_builders(
                      stringify!(items),
                      items
                          .iter()
                          .map(|child| bluegum::Builder::render_with_state(child, state))
                          .collect::<Vec<bluegum::Builder>>(),
                  );
              };
              {
                  let expr = &self.expr;
                  b.add_node_with_state(state, stringify!(expr), expr);
              };
          };
      }
  }
