Crate zyn_core 

Core library for zyn — AST, traits, types, and utilities for procedural macro development.

Re-exports

pub use mark::Diagnostic;

pub use mark::Result;

pub use proc_macro2;

pub use quote;

pub use syn;

pub use extract::*;

pub use meta::*;

Modules

ast

Template AST node types. Template AST node types.

case

Case conversion utilities. Case conversion functions and macros.

debug

Debug formatting and printing for template expansions. Debug formatting utilities for macro expansions.

ext

Extension traits for common syn AST types. Extension traits for common syn AST types.

extract

Extractors for resolving values from proc macro input. Extractors for resolving typed values from proc macro input.

ident

Internal identifier generation for template expansion. Internal identifier generation for template expansion.

mark

Types and implementations for marking spans. Diagnostic construction utilities.

meta

Attribute argument parsing types. Attribute argument parsing types.

path

Dot-separated path type for navigating nested syn metadata. Dot-separated path type for navigating nested syn metadata.

pipes

Built-in pipe types for template value transforms. Built-in pipe transforms for template value interpolation.

Macros

camel

Converts a string or ident to camelCase.

format_ident

Formatting macro for constructing Idents.

kebab

Converts a string or ident to kebab-case.

parse

Parses tokens or string literals into a type. Wraps syn::parse_str and syn::parse2.

parse_input

Parses a proc_macro::TokenStream in a proc macro entry point. Wraps syn::parse_macro_input!.

pascal

Converts a string or ident to PascalCase.

screaming

Converts a string or ident to SCREAMING_SNAKE_CASE.

snake

Converts a string or ident to snake_case.

Structs

Output

The result of rendering an element or expanding a template.

OutputBuilder

Builder for constructing Output instances.

Span

A region of source code, along with macro expansion information.

Template

A parsed template AST. Created by parsing template syntax via syn::parse2::<Template>(tokens).

TokenStream

An abstract stream of tokens, or more concretely a sequence of token trees.

Enums

Input

The proc macro input context. Wraps either a DeriveInput or an Item.

Traits

Expand

Internal trait for AST node expansion. Not part of the public API.

Pipe

Implemented by #[zyn::pipe] types. Transforms a value in a pipe chain.

Render

Implemented by #[zyn::element] types. Renders the element with the given Input context.

ToTokens

Types that can be interpolated inside a quote! invocation.