Enum WGSLExpr 

pub enum WGSLExpr {
    Literal(String),
    Var(String),
    BinOp {
        op: String,
        lhs: Box<WGSLExpr>,
        rhs: Box<WGSLExpr>,
    },
    UnaryOp {
        op: String,
        operand: Box<WGSLExpr>,
    },
    Call {
        func: String,
        args: Vec<WGSLExpr>,
    },
    Field {
        base: Box<WGSLExpr>,
        field: String,
    },
    Index {
        base: Box<WGSLExpr>,
        index: Box<WGSLExpr>,
    },
}

A simple WGSL expression for code generation purposes.

Variants

Literal(String)

A literal value token.

Var(String)

A variable reference.

BinOp

A binary infix operation.

Fields

op: String

lhs: Box<WGSLExpr>

rhs: Box<WGSLExpr>

UnaryOp

A unary prefix operation.

Fields

op: String

operand: Box<WGSLExpr>

Call

A function or constructor call.

Fields

func: String

args: Vec<WGSLExpr>

Field

A field access: base.field.

Fields

base: Box<WGSLExpr>

field: String

Index

An array/vector index: base[index].

Fields

base: Box<WGSLExpr>

index: Box<WGSLExpr>

Implementations

impl WGSLExpr

pub fn emit(&self) -> String

Emit the expression as WGSL source text.

pub fn binop(op: impl Into<String>, lhs: WGSLExpr, rhs: WGSLExpr) -> Self

Convenience: binary operation.

pub fn call(func: impl Into<String>, args: Vec<WGSLExpr>) -> Self

Convenience: function call.

pub fn var(name: impl Into<String>) -> Self

Convenience: variable reference.

pub fn f32_lit(v: f32) -> Self

Convenience: f32 literal.

pub fn u32_lit(v: u32) -> Self

Convenience: u32 literal.

Trait Implementations

impl Clone for WGSLExpr

fn clone(&self) -> WGSLExpr

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for WGSLExpr

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

Formats the value using the given formatter.