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mod assign;
pub use assign::*;
mod block;
pub use block::*;
mod conditional;
pub use conditional::*;
mod console;
pub use console::*;
mod definition;
pub use definition::*;
mod expression;
pub use expression::*;
mod iteration;
pub use iteration::*;
mod return_;
pub use return_::*;
use crate::{AsgConvertError, FromAst, Node, PartialType, Scope, Span};
#[derive(Clone)]
pub enum Statement<'a> {
Return(ReturnStatement<'a>),
Definition(DefinitionStatement<'a>),
Assign(AssignStatement<'a>),
Conditional(ConditionalStatement<'a>),
Iteration(IterationStatement<'a>),
Console(ConsoleStatement<'a>),
Expression(ExpressionStatement<'a>),
Block(BlockStatement<'a>),
Empty(Option<Span>),
}
impl<'a> Node for Statement<'a> {
fn span(&self) -> Option<&Span> {
use Statement::*;
match self {
Return(s) => s.span(),
Definition(s) => s.span(),
Assign(s) => s.span(),
Conditional(s) => s.span(),
Iteration(s) => s.span(),
Console(s) => s.span(),
Expression(s) => s.span(),
Block(s) => s.span(),
Empty(s) => s.as_ref(),
}
}
}
impl<'a> FromAst<'a, leo_ast::Statement> for &'a Statement<'a> {
fn from_ast(
scope: &'a Scope<'a>,
value: &leo_ast::Statement,
_expected_type: Option<PartialType<'a>>,
) -> Result<&'a Statement<'a>, AsgConvertError> {
use leo_ast::Statement::*;
Ok(match value {
Return(statement) => scope
.context
.alloc_statement(Statement::Return(ReturnStatement::from_ast(scope, statement, None)?)),
Definition(statement) => Self::from_ast(scope, statement, None)?,
Assign(statement) => Self::from_ast(scope, statement, None)?,
Conditional(statement) => {
scope
.context
.alloc_statement(Statement::Conditional(ConditionalStatement::from_ast(
scope, statement, None,
)?))
}
Iteration(statement) => Self::from_ast(scope, statement, None)?,
Console(statement) => scope
.context
.alloc_statement(Statement::Console(ConsoleStatement::from_ast(scope, statement, None)?)),
Expression(statement) => {
scope
.context
.alloc_statement(Statement::Expression(ExpressionStatement::from_ast(
scope, statement, None,
)?))
}
Block(statement) => scope
.context
.alloc_statement(Statement::Block(BlockStatement::from_ast(scope, statement, None)?)),
})
}
}
impl<'a> Into<leo_ast::Statement> for &Statement<'a> {
fn into(self) -> leo_ast::Statement {
use Statement::*;
match self {
Return(statement) => leo_ast::Statement::Return(statement.into()),
Definition(statement) => leo_ast::Statement::Definition(statement.into()),
Assign(statement) => leo_ast::Statement::Assign(statement.into()),
Conditional(statement) => leo_ast::Statement::Conditional(statement.into()),
Iteration(statement) => leo_ast::Statement::Iteration(statement.into()),
Console(statement) => leo_ast::Statement::Console(statement.into()),
Expression(statement) => leo_ast::Statement::Expression(statement.into()),
Block(statement) => leo_ast::Statement::Block(statement.into()),
Empty(_) => unimplemented!(),
}
}
}