rewrite


rewrite	R Documentation

Interface for AST rewriting#

Description#

Interface for AST rewriting

Usage#

rewrite(ast, rules)

Arguments#


`ast`	A language object.
`rules`	A list of functions, each of which is the output from 'make_rule'.

Value#

A language object.

Examples#

library(sketch)

rewrite(
  ast = rlang::parse_expr("2 * (3 + pi)"),
  rules = list(make_rule("pi", "Math.PI"))
)

rewrite(
  ast = rlang::parse_expr("2 + pi"),
  rules = list(
    make_rule("pi", "Math.PI"),
    make_rule("+", "Math.add")
  )
)