pub fn parse(node: SyntaxNode, scope: Gc<Scope>) -> Result<Self, EvalError> {
        let range = Some(node.text_range());
        let recurse = |node| Expr::parse(node, scope.clone()).map(|x| Box::new(x));
        let source = match ParsedType::try_from(node.clone()).map_err(|_| ERR_PARSING)? {
            ParsedType::Paren(paren) => {
                let inner = paren.inner().ok_or(ERR_PARSING)?;
                ExprSource::Paren {
                    inner: recurse(inner),
                }
            }
            ParsedType::BinOp(binop) => {
                use rnix::types::BinOpKind::*;
                let left = recurse(binop.lhs().ok_or(ERR_PARSING)?);
                let right = recurse(binop.rhs().ok_or(ERR_PARSING)?);
                macro_rules! binop_source {
                    ( $op:expr ) => {
                        ExprSource::BinOp {
                            op: $op,
                            left,
                            right,
                        }
                    };
                }
                match binop.operator() {
                    And => ExprSource::BoolAnd { left, right },
                    Or => ExprSource::BoolOr { left, right },
                    Implication => ExprSource::Implication { left, right },
                    IsSet => {
                        return Err(EvalError::Internal(InternalError::Unimplemented(
                            "IsSet".to_string(),
                        )))
                    }
                    Concat => binop_source!(BinOpKind::Concat),
                    Update => binop_source!(BinOpKind::Update),
                    Add => binop_source!(BinOpKind::Add),
                    Sub => binop_source!(BinOpKind::Sub),
                    Mul => binop_source!(BinOpKind::Mul),
                    Div => binop_source!(BinOpKind::Div),
                    Equal => binop_source!(BinOpKind::Equal),
                    NotEqual => binop_source!(BinOpKind::NotEqual),
                    Less => binop_source!(BinOpKind::Less),
                    LessOrEq => binop_source!(BinOpKind::LessOrEq),
                    More => binop_source!(BinOpKind::Greater),
                    MoreOrEq => binop_source!(BinOpKind::GreaterOrEq),
                }
            }
            ParsedType::UnaryOp(unary) => {
                use rnix::types::UnaryOpKind;
                match unary.operator() {
                    UnaryOpKind::Invert => ExprSource::UnaryInvert {
                        value: recurse(unary.value().ok_or(ERR_PARSING)?),
                    },
                    UnaryOpKind::Negate => ExprSource::UnaryNegate {
                        value: recurse(unary.value().ok_or(ERR_PARSING)?),
                    },
                }
            }
            ParsedType::Value(literal) => {
                use rnix::value::Value::*;
                // Booleans `true` and `false` are global variables, not literals
                ExprSource::Literal {
                    value: match literal.to_value().map_err(|_| ERR_PARSING)? {
                        Float(x) => NixValue::Float(x),
                        Integer(x) => NixValue::Integer(x),
                        String(_) => {
                            return Err(EvalError::Internal(InternalError::Unimplemented(
                                "string literal".to_string(),
                            )))
                        }
                        Path(_, _) => {
                            return Err(EvalError::Internal(InternalError::Unimplemented(
                                "path literal".to_string(),
                            )))
                        }
                    },
                }
            }
            node => {
                return Err(EvalError::Internal(InternalError::Unimplemented(format!(
                    "rnix-parser node {:?}",
                    node
                ))))
            }
        };
        Ok(Self {
            value: GcCell::new(None),
            source,
            range,
            scope,
        })
    }
/// Convert a rnix-parser tree into a syntax tree that can be lazily evaluated.
///
/// Note that the lsp searches inward from the root of the file, so if a
/// rnix::SyntaxNode isn't recognized, we don't get tooling for its children.
Convert a rnix-parser tree into a syntax tree that can be lazily evaluated.
Note that the lsp searches inward from the root of the file, so if a
rnix::SyntaxNode isn't recognized, we don't get tooling for its children.
Convert a rnix - parser tree into a syntax tree that can be lazily evaluated . Note that the lsp searches inward from the root of the file so if a rnix :: SyntaxNode isn ' t recognized we don ' t get tooling for its children .
pub fn parse(node: SyntaxNode, scope: Gc<Scope>) -> Result<Self, EvalError> {
        let range = Some(node.text_range());
        let recurse = |node| Expr::parse(node, scope.clone()).map(|x| Box::new(x));
        let source = match ParsedType::try_from(node.clone()).map_err(|_| ERR_PARSING)? {
            ParsedType::Paren(paren) => {
                let inner = paren.inner().ok_or(ERR_PARSING)?;
                ExprSource::Paren {
                    inner: recurse(inner),
                }
            }
            ParsedType::BinOp(binop) => {
                use rnix::types::BinOpKind::*;
                let left = recurse(binop.lhs().ok_or(ERR_PARSING)?);
                let right = recurse(binop.rhs().ok_or(ERR_PARSING)?);
                macro_rules! binop_source {
                    ( $op:expr ) => {
                        ExprSource::BinOp {
                            op: $op,
                            left,
                            right,
                        }
                    };
                }
                match binop.operator() {
                    And => ExprSource::BoolAnd { left, right },
                    Or => ExprSource::BoolOr { left, right },
                    Implication => ExprSource::Implication { left, right },
                    IsSet => {
                        return Err(EvalError::Internal(InternalError::Unimplemented(
                            "IsSet".to_string(),
                        )))
                    }
                    Concat => binop_source!(BinOpKind::Concat),
                    Update => binop_source!(BinOpKind::Update),
                    Add => binop_source!(BinOpKind::Add),
                    Sub => binop_source!(BinOpKind::Sub),
                    Mul => binop_source!(BinOpKind::Mul),
                    Div => binop_source!(BinOpKind::Div),
                    Equal => binop_source!(BinOpKind::Equal),
                    NotEqual => binop_source!(BinOpKind::NotEqual),
                    Less => binop_source!(BinOpKind::Less),
                    LessOrEq => binop_source!(BinOpKind::LessOrEq),
                    More => binop_source!(BinOpKind::Greater),
                    MoreOrEq => binop_source!(BinOpKind::GreaterOrEq),
                }
            }
            ParsedType::UnaryOp(unary) => {
                use rnix::types::UnaryOpKind;
                match unary.operator() {
                    UnaryOpKind::Invert => ExprSource::UnaryInvert {
                        value: recurse(unary.value().ok_or(ERR_PARSING)?),
                    },
                    UnaryOpKind::Negate => ExprSource::UnaryNegate {
                        value: recurse(unary.value().ok_or(ERR_PARSING)?),
                    },
                }
            }
            ParsedType::Value(literal) => {
                use rnix::value::Value::*;
                // Booleans `true` and `false` are global variables, not literals
                ExprSource::Literal {
                    value: match literal.to_value().map_err(|_| ERR_PARSING)? {
                        Float(x) => NixValue::Float(x),
                        Integer(x) => NixValue::Integer(x),
                        String(_) => {
                            return Err(EvalError::Internal(InternalError::Unimplemented(
                                "string literal".to_string(),
                            )))
                        }
                        Path(_, _) => {
                            return Err(EvalError::Internal(InternalError::Unimplemented(
                                "path literal".to_string(),
                            )))
                        }
                    },
                }
            }
            node => {
                return Err(EvalError::Internal(InternalError::Unimplemented(format!(
                    "rnix-parser node {:?}",
                    node
                ))))
            }
        };
        Ok(Self {
            value: GcCell::new(None),
            source,
            range,
            scope,
        })
    }
pub fn parse ( node : SyntaxNode , scope : Gc < Scope > ) -> Result < Self , EvalError > { let range = Some ( node . text_range ( ) ) ; let recurse = | node | Expr :: parse ( node , scope . clone ( ) ) . map ( | x | Box :: new ( x ) ) ; let source = match ParsedType :: try_from ( node . clone ( ) ) . map_err ( | _ | ERR_PARSING ) ? { ParsedType :: Paren ( paren ) => { let inner = paren . inner ( ) . ok_or ( ERR_PARSING ) ? ; ExprSource :: Paren { inner : recurse ( inner ) , } } ParsedType :: BinOp ( binop ) => { use rnix :: types :: BinOpKind :: * ; let left = recurse ( binop . lhs ( ) . ok_or ( ERR_PARSING ) ? ) ; let right = recurse ( binop . rhs ( ) . ok_or ( ERR_PARSING ) ? ) ; macro_rules! binop_source { ( $op : expr ) => { ExprSource BinOp { op $op left right } } ; } match binop . operator ( ) { And => ExprSource :: BoolAnd { left , right } , Or => ExprSource :: BoolOr { left , right } , Implication => ExprSource :: Implication { left , right } , IsSet => { return Err ( EvalError :: Internal ( InternalError :: Unimplemented ( " " . to_string ( ) , ) ) ) } Concat => binop_source ! ( BinOpKind Concat ) , Update => binop_source ! ( BinOpKind Update ) , Add => binop_source ! ( BinOpKind Add ) , Sub => binop_source ! ( BinOpKind Sub ) , Mul => binop_source ! ( BinOpKind Mul ) , Div => binop_source ! ( BinOpKind Div ) , Equal => binop_source ! ( BinOpKind Equal ) , NotEqual => binop_source ! ( BinOpKind NotEqual ) , Less => binop_source ! ( BinOpKind Less ) , LessOrEq => binop_source ! ( BinOpKind LessOrEq ) , More => binop_source ! ( BinOpKind Greater ) , MoreOrEq => binop_source ! ( BinOpKind GreaterOrEq ) , } } ParsedType :: UnaryOp ( unary ) => { use rnix :: types :: UnaryOpKind ; match unary . operator ( ) { UnaryOpKind :: Invert => ExprSource :: UnaryInvert { value : recurse ( unary . value ( ) . ok_or ( ERR_PARSING ) ? ) , } , UnaryOpKind :: Negate => ExprSource :: UnaryNegate { value : recurse ( unary . value ( ) . ok_or ( ERR_PARSING ) ? ) , } , } } ParsedType :: Value ( literal ) => { use rnix :: value :: Value :: * ; // Booleans `true` and `false` are global variables, not literals ExprSource :: Literal { value : match literal . to_value ( ) . map_err ( | _ | ERR_PARSING ) ? { Float ( x ) => NixValue :: Float ( x ) , Integer ( x ) => NixValue :: Integer ( x ) , String ( _ ) => { return Err ( EvalError :: Internal ( InternalError :: Unimplemented ( " " . to_string ( ) , ) ) ) } Path ( _ , _ ) => { return Err ( EvalError :: Internal ( InternalError :: Unimplemented ( " " . to_string ( ) , ) ) ) } } , } } node => { return Err ( EvalError :: Internal ( InternalError :: Unimplemented ( format ! ( " " node ) ) ) ) } } ; Ok ( Self { value : GcCell :: new ( None ) , source , range , scope , } ) }
Convert a rnix-parser tree into a syntax tree that can be lazily evaluated.
Convert a rnix - parser tree into a syntax tree that can be lazily evaluated .
node
SyntaxNode
scope
Gc<Scope>
node
SyntaxNode
scope
Gc<Scope>