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  • Committer: Gustav Hartvigsson
  • Date: 2022-05-30 18:46:35 UTC
  • Revision ID: gustav.hartvigsson@gmail.com-20220530184635-d8k8pofyyifu017d
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src/libvqdr/function/function_token.vala
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using Gee;
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using VQDR.Expression;
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using Vee;
 
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using Utils;
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namespace VQDR.Expression {
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  public abstract class FunctionToken : Token {
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    // We only store the type, as that is what is important.
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    private static Gee.HashMap<string, Type?> _allowed_functions;
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    // +1 so that I can still use int64.MIN_VALUE.
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    protected const int64 UNDEFINED = int64.MIN + 1; 
 
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    protected const long UNDEFINED = long.MIN + 1; //+1 so that I can still use Long.MIN_VALUE.
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    /** Right arrow */
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    protected const string CH_RARR = "\u2192";
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    /** Left arrow */
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    /** Truncated output: equal */
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    protected const string SYM_TRUNK_PART_EQUAL = CH_EQUAL; //"="
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    /** Truncated output: begin */
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    protected const string SYM_TRUNK_BEGIN = SYM_BEGIN
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                                           + SYM_TRUNK_PART_ELLIPSIS
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                                           + SYM_TRUNK_PART_EQUAL; //"[...="
 
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    protected const string SYM_TRUNK_BEGIN = SYM_BEGIN + SYM_TRUNK_PART_ELLIPSIS + SYM_TRUNK_PART_EQUAL; //"[...="
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    /** Truncated output: end */
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    protected const string SYM_TRUNK_END = SYM_END; //"]"
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    /**
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     * Initialise the right function token by it's name.
 
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     * Ititialise the right functon token by it's name.
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     * 
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     * @param token Token of the Function.
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     * @param position Token position.
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     * @return An instance representing the function, or @c null if not found.
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     */
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    public static FunctionToken? init_token (string token, int32 position) {
 
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    public static FunctionToken? init_token (string token, int position) {
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      if (_allowed_functions == null) {
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        // Initialise the HashMap if it is not created.
 
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        // Intialise the HashMap if it is not created.
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        _allowed_functions = new Gee.HashMap<string, Type?> ();
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        Entry[] entries = {
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    }
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    protected FastNumber get_optional_child_raw_result (Context instance,
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                                                  int32 index,
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                                                  int64 default_result)
 
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                                                  int index,
 
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                                                  long default_result)
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                                                  throws GLib.Error {
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     Token? tmp_roll = get_child (index);
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