Enum EvalOp 

pub enum EvalOp<'arena> {
    Eval {
        expr: &'arena AstExpr<'arena>,
        ctx_id: usize,
    },
    ApplyUnary {
        op: UnaryOp,
    },
    CompleteBinary {
        op: BinaryOp,
    },
    ShortCircuitAnd {
        right_expr: &'arena AstExpr<'arena>,
        ctx_id: usize,
    },
    ShortCircuitOr {
        right_expr: &'arena AstExpr<'arena>,
        ctx_id: usize,
    },
    CompleteAnd,
    CompleteOr,
    ApplyFunction {
        name: FunctionName,
        arg_count: usize,
        ctx_id: usize,
    },
    TernaryCondition {
        true_branch: &'arena AstExpr<'arena>,
        false_branch: &'arena AstExpr<'arena>,
        ctx_id: usize,
    },
    LookupVariable {
        name: HString,
        ctx_id: usize,
    },
    AccessArray {
        array_name: HString,
        ctx_id: usize,
    },
    AccessAttribute {
        object_name: HString,
        attr_name: HString,
        ctx_id: usize,
    },
    RestoreFunctionParams {
        params: Option<&'arena [(HString, Real)]>,
    },
}

Operations that can be pushed onto the evaluation stack

Variants

Eval

Push an expression to evaluate

Fields

expr: &'arena AstExpr<'arena>

ctx_id: usize

ApplyUnary

Apply a unary operation

Fields

op: UnaryOp

CompleteBinary

Apply a binary operation after both operands are evaluated

Fields

op: BinaryOp

ShortCircuitAnd

Short-circuit AND operation

Fields

right_expr: &'arena AstExpr<'arena>

ctx_id: usize

ShortCircuitOr

Short-circuit OR operation

Fields

right_expr: &'arena AstExpr<'arena>

ctx_id: usize

CompleteAnd

Complete AND operation (when not short-circuited)

CompleteOr

Complete OR operation (when not short-circuited)

ApplyFunction

Apply a function with N arguments from the value stack

Fields

name: FunctionName

arg_count: usize

ctx_id: usize

TernaryCondition

Handle ternary operator - condition already evaluated

Fields

true_branch: &'arena AstExpr<'arena>

false_branch: &'arena AstExpr<'arena>

ctx_id: usize

LookupVariable

Variable lookup

Fields

name: HString

ctx_id: usize

AccessArray

Array access - index already evaluated

Fields

array_name: HString

ctx_id: usize

AccessAttribute

Attribute access

Fields

object_name: HString

attr_name: HString

ctx_id: usize

RestoreFunctionParams

Restore after expression function completes

Fields

params: Option<&'arena [(HString, Real)]>

Parameters for the current function scope

Trait Implementations

impl<'arena> Clone for EvalOp<'arena>

fn clone(&self) -> EvalOp<'arena>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'arena> Debug for EvalOp<'arena>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.