Crate lang_util

lang-util is a crate that implements utilities to parse and represent syntax trees using lalrpop and logos.

This crate is tailored for use in the glsl-lang crate, but you may use its utilities for implementing your own language parsers:

• error: parsing error reporting module, with user-readable location information
• node: AST node structure and display
• position: utilities for working with positions in strings

Re-exports

pub use error::Token;

Modules

error	Error type definitions
node	AST type definitions
position	Input position representation types

Macros

assert_ceq

Replacement for assert_eq but using NodeContentEq instead of PartialEq

Traits

NodeContent

Trait for AST node contents.

Derive Macros

NodeContent	Mark a type as representing data in an AST node
Token	Derive lang_util::error::Token for an enum usable with Logos