ast: Fix rewriting vars in rule args #2082
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Vars declared as rule args were not being rewritten which lead to
namespace conflicts with built-in functions. For example, definitions
like `f(object) { object[x] = 1 }` would generate type checking errors
because the checker would treat `object[x] = 1` as referring to the
`object` built-in function namespace.
This change updates the compiler to rewrite rule arguments just like
it does other declared variables.
Fixes open-policy-agent#2080
Signed-off-by: Torin Sandall <torinsandall@gmail.com>
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Vars declared as rule args were not being rewritten which lead to
namespace conflicts with built-in functions. For example, definitions
like
f(object) { object[x] = 1 }would generate type checking errorsbecause the checker would treat
object[x] = 1as referring to theobjectbuilt-in function namespace.This change updates the compiler to rewrite rule arguments just like
it does other declared variables.
Fixes #2080
Signed-off-by: Torin Sandall torinsandall@gmail.com