module

Hwaro::Assets::Sass::Expr::Host

Host services the evaluator needs from the statement evaluator.

Instance methods

expr_call(ns : String | Nil, name : String, args : Array(Value), kwargs : Hash(String, Value)) : Value | Nil

Calls a known function; nil when no such function exists (the call then reconstructs as verbatim CSS).

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expr_interp(template : Ast::TextTemplate) : String

Resolves an interpolation template to (unquoted) text.

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expr_keywords(name : String, var_ns : String | Nil, call_ns : String | Nil) : Value | Nil

meta.keywords($args) — the keyword arguments captured by the variadic parameter $name, as a map; nil when the call does not resolve to the built-in (the normal call path then runs).

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expr_known_fn?(ns : String | Nil, name : String) : Bool
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expr_parent_selectors

Enclosing rule's resolved selectors for & (nil at root).

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expr_var(name : String, ns : String | Nil) : String

Variable value as stored text; raises SoftEvalError when undefined.

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