make_module_macro: Generate extendr module macro for Rust source

In rextendr: Call Rust Code from R using the 'extendr' Crate

Generate extendr module macro for Rust source

Description

Read some Rust source code, find functions or implementations with the ⁠#[extendr]⁠ attribute, and generate an ⁠extendr_module!⁠ macro statement.

Usage

make_module_macro(code, module_name = "rextendr")

Arguments

code	Character vector containing Rust code.
module_name	Module name

Details

This function uses simple regular expressions to do the Rust parsing and can get confused by valid Rust code. It is only meant as a convenience for simple use cases. In particular, it cannot currently handle implementations for generics.

Value

Character vector holding the contents of the generated macro statement.

rextendr documentation built on July 9, 2023, 5:54 p.m.