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@@ -13,22 +13,43 @@ Compiler_Error :: compiler.Error
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Creation_Error :: enum {
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None,
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+ // A `\` was supplied as the delimiter to `create_by_user`.
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Bad_Delimiter,
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+ // A pair of delimiters for `create_by_user` was not found.
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Expected_Delimiter,
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+ // An unknown letter was supplied to `create_by_user` after the last delimiter.
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Unknown_Flag,
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}
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Error :: union #shared_nil {
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+ // An error that can occur in the pattern parsing phase.
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+ //
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+ // Most of these are regular expression syntax errors and are either
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+ // context-dependent as to what they mean or have self-explanatory names.
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Parser_Error,
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+ // An error that can occur in the pattern compiling phase.
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+ //
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+ // Of the two that can be returned, they have to do with exceeding the
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+ // limitations of the Virtual Machine.
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Compiler_Error,
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+ // An error that occurs only for `create_by_user`.
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Creation_Error,
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}
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+/*
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+This struct corresponds to a set of string captures from a RegEx match.
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+
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+`pos` will contain the start and end positions for each string in `groups`,
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+such that `str[pos[0][0]:pos[0][1]] == groups[0]`.
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+*/
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Capture :: struct {
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pos: [][2]int,
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groups: []string,
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}
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+/*
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+A compiled Regular Expression value, to be used with the `match_*` procedures.
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+*/
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Regular_Expression :: struct {
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flags: Flags `fmt:"-"`,
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class_data: []virtual_machine.Rune_Class_Data `fmt:"-"`,
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