Crate caternary 

Caternary: a concatenative language that enables pattern-based optimization.

Structs

Evaluator

A stack-based evaluator for caternary programs.

Optimizer

An optimizer that applies a set of rules repeatedly.

Rule

A rewrite rule: pattern => replacement.

Span

A span in source text, measured in byte offsets.

SpannedToken

A token paired with the source span that produced it.

Enums

ParseError

An error that can occur during parsing.

RuleError

An error from rule parsing.

SpannedTokenKind

Variant payload for SpannedToken.

Token

A token in the caternary language.

Constants

CODE_OPERATOR_ERROR

Error code for operator failures.

Traits

Quotable

A trait for stack element types that can contain quotations.

Functions

parse

Parses a caternary program from source text.

parse_with_spans

Parses a caternary program and returns tokens with source spans.

register_all_builtins

Register all builtins and combinators on an evaluator.

register_combinators

Register quotation combinators on an evaluator.

register_conditionals

Register conditional combinators on an evaluator.

register_sequence_combinators

Register sequence combinators on an evaluator.

register_stack_builtins

Register standard stack combinators/manipulators on an evaluator.

Type Aliases

EvalError

Evaluation error type.

Operator

An operator function that manipulates the stack.