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| | | |
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| | | "use strict"; |
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| | | |
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| | | import { AST_Node } from "../ast.js"; |
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| | | import { AST_Node, AST_Number, AST_UnaryPrefix } from "../ast.js"; |
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| | | |
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| | | function characters(str) { |
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| | | return str.split(""); |
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| | |
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| | | if (!props.end) props.end = orig.end; |
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| | | } |
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| | | return new ctor(props); |
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| | | } |
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| | | |
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| | | /** Makes a `void 0` expression. Use instead of AST_Undefined which may conflict |
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| | | * with an existing variable called `undefined` */ |
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| | | function make_void_0(orig) { |
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| | | return make_node(AST_UnaryPrefix, orig, { |
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| | | operator: "void", |
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| | | expression: make_node(AST_Number, orig, { value: 0 }) |
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| | | }); |
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| | | } |
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| | | |
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| | | function push_uniq(array, el) { |
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| | |
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| | | HOP, |
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| | | keep_name, |
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| | | make_node, |
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| | | make_void_0, |
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| | | makePredicate, |
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| | | map_add, |
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| | | map_from_object, |
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