[270] | 1 | // Porting from
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| 2 | // https://github.com/jeanlazarou/blockly2ruby
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| 3 | // Copyright (c) 2014 Jean Lazarou
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| 4 | // MIT Lisence
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| 5 | using System;
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| 6 | using Bridge;
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| 7 | using System.Collections.Generic;
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| 8 |
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| 9 | namespace WebMrbc
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| 10 | {
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| 11 | partial class Ruby
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| 12 | {
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| 13 | public node lists_create_empty(ListsCreateEmptyBlock block)
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| 14 | {
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| 15 | // Create an empty list.
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| 16 | var p = new node[0];
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| 17 | return new array_node(this, p);
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| 18 | }
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| 19 |
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| 20 | public node lists_create_with(ListsCreateWithBlock block)
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| 21 | {
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| 22 | // Create a list with any number of elements of any type.
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| 23 | var p = new node[block.itemCount_];
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| 24 | for (var n = 0; n < block.itemCount_; n++) {
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| 25 | var i = valueToCode(block, "ADD" + n);
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| 26 | if (i == null)
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| 27 | i = new nil_node(this);
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| 28 | p.Push(i);
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| 29 | }
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| 30 | return new array_node(this, p);
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| 31 | }
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| 32 |
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| 33 | public node lists_repeat(ListsRepeatBlock block)
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| 34 | {
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| 35 | // Create a list with one element repeated.
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| 36 | var argument0 = valueToCode(block, "ITEM");
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| 37 | if (argument0 == null) argument0 = new nil_node(this);
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| 38 | var argument1 = valueToCode(block, "NUM");
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| 39 | if (argument1 == null) argument1 = new int_node(this, 0);
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| 40 | var a = new array_node(this, new node[] { argument0 });
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| 41 | return new call_node(this, a, intern("*"), argument1);
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| 42 | }
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| 43 |
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| 44 | public node lists_length(ListsLengthBlock block)
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| 45 | {
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| 46 | // List length.
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| 47 | var argument0 = valueToCode(block, "VALUE");
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| 48 | if (argument0 == null) argument0 = new array_node(this, new node[0]);
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| 49 | return new call_node(this, argument0, intern("length"));
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| 50 | }
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| 51 |
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| 52 | public node lists_isEmpty(ListsIsEmptyBlock block)
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| 53 | {
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| 54 | // Is the list empty?
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| 55 | var argument0 = valueToCode(block, "VALUE");
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| 56 | if (argument0 == null) argument0 = new array_node(this, new node[0]);
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| 57 | return new call_node(this, argument0, intern("empty?"));
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| 58 | }
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| 59 |
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| 60 | public node lists_indexOf(ListsIndexOfBlock block)
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| 61 | {
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| 62 | // Find an item in the list.
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| 63 | var search = valueToCode(block, "FIND");
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| 64 | if (search == null) search = new str_node(this, "");
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| 65 | var list = valueToCode(block, "VALUE");
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| 66 | if (list == null) list = new array_node(this, new node[0]);
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| 67 | var finder = block.getFieldValue("END") == "FIRST" ? "find_first" : "find_last";
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| 68 | var p = new node[] {
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| 69 | search
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| 70 | };
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| 71 | return new call_node(this, list, intern("finder"), p, null);
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| 72 | }
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| 73 |
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| 74 | public node lists_getIndex(ListsGetIndexBlock block)
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| 75 | {
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| 76 | // Get element at index.
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| 77 | var mode = block.getFieldValue("MODE");
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| 78 | if (String.IsNullOrEmpty(mode)) mode = "GET";
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| 79 | var where = block.getFieldValue("WHERE");
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| 80 | if (String.IsNullOrEmpty(where)) where = "FROM_START";
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| 81 | var at = valueToCode(block, "AT");
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| 82 | if (at == null) at = new int_node(this, 1);
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| 83 | var list = valueToCode(block, "VALUE");
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| 84 | if (list == null) list = new array_node(this, new node[0]);
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| 85 |
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| 86 | if (where == "FIRST") {
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| 87 | if (mode == "GET") {
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| 88 | return new call_node(this, list, intern("first"));
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| 89 | }
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| 90 | else {
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| 91 | if (mode == "GET_REMOVE") {
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| 92 | return new call_node(this, list, intern("shift"));
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| 93 | }
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| 94 | else if (mode == "REMOVE") {
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| 95 | return new call_node(this, list, intern("shift"));
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| 96 | }
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| 97 | }
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| 98 | }
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| 99 | else if (where == "LAST") {
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| 100 | if (mode == "GET") {
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| 101 | return new call_node(this, list, intern("last"));
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| 102 | }
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| 103 | else {
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| 104 | var code = list + ".pop";
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| 105 | if (mode == "GET_REMOVE") {
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| 106 | return new call_node(this, list, intern("pop"));
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| 107 | }
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| 108 | else if (mode == "REMOVE") {
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| 109 | return new call_node(this, list, intern("pop"));
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| 110 | }
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| 111 | }
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| 112 | }
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| 113 | else if (where == "FROM_START") {
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| 114 | // Blockly uses one-based indicies.
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| 115 | if (at is int_node) {
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| 116 | // If the index is a naked number, decrement it right now.
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| 117 | at = new int_node(this, (int)(((int_node)at).to_i() - 1));
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| 118 | }
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| 119 | else {
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| 120 | // If the index is dynamic, decrement it in code.
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| 121 | at = new begin_node(this, new call_node(this, at, intern("-"), new int_node(this, 1)), true);
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| 122 | at = new call_node(this, at, intern("to_i"));
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| 123 | }
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| 124 | if (mode == "GET") {
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| 125 | return new call_node(this, list, intern("[]"), new node[] { at }, null);
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| 126 | }
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| 127 | else if (mode == "GET_REMOVE") {
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| 128 | return new call_node(this, list, intern("delete_at"), new node[] { at }, null);
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| 129 | }
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| 130 | else if (mode == "REMOVE") {
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| 131 | return new call_node(this, list, intern("delete_at"), new node[] { at }, null);
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| 132 | }
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| 133 | }
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| 134 | else if (where == "FROM_END") {
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| 135 | at = new call_node(this, at, intern("-@"), (node)null);
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| 136 | if (mode == "GET") {
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| 137 | return new call_node(this, list, intern("[]"), new node[] { at }, null);
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| 138 | }
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| 139 | else if (mode == "GET_REMOVE") {
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| 140 | return new call_node(this, list, intern("delete_at"), new node[] { at }, null);
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| 141 | }
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| 142 | else if (mode == "REMOVE") {
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| 143 | return new call_node(this, list, intern("delete_at"), new node[] { at }, null);
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| 144 | }
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| 145 | }
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| 146 | else if (where == "RANDOM") {
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| 147 | if (mode == "GET") {
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| 148 | return new fcall_node(this, intern("lists_random_item"), new node[] { list }, null);
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| 149 | }
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| 150 | else {
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| 151 | if (mode == "GET_REMOVE") {
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| 152 | return new fcall_node(this, intern("lists_remove_random_item"), new node[] { list }, null);
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| 153 | }
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| 154 | else if (mode == "REMOVE") {
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| 155 | return new fcall_node(this, intern("lists_remove_random_item"), new node[] { list }, null);
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| 156 | }
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| 157 | }
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| 158 | }
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| 159 | throw new Exception("Unhandled combination (lists_getIndex).");
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| 160 | }
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| 161 |
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| 162 | public node lists_setIndex(ListsSetIndexBlock block)
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| 163 | {
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| 164 | // Set element at index.
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| 165 | var list = valueToCode(block, "LIST");
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| 166 | if (list == null) list = new array_node(this, new node[0]);
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| 167 | var mode = block.getFieldValue("MODE");
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| 168 | if (String.IsNullOrEmpty(mode)) mode = "GET";
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| 169 | var where = block.getFieldValue("WHERE");
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| 170 | if (String.IsNullOrEmpty(where)) where = "FROM_START";
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| 171 | var at = valueToCode(block, "AT");
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| 172 | if (at == null) at = new int_node(this, 1);
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| 173 | var value = valueToCode(block, "TO");
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| 174 | if (value == null) value = new nil_node(this);
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| 175 |
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| 176 | if (where == "FIRST") {
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| 177 | if (mode == "SET") {
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| 178 | return new asgn_node(this, new call_node(this, list, intern("[]"), new node[] { new int_node(this, 0) }, null), value);
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| 179 | }
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| 180 | else if (mode == "INSERT") {
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| 181 | return new call_node(this, list, intern("unshift"), new node[] { value }, null);
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| 182 | }
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| 183 | }
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| 184 | else if (where == "LAST") {
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| 185 | if (mode == "SET") {
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| 186 | return new asgn_node(this, new call_node(this, list, intern("[]"), new node[] { new int_node(this, -1) }, null), value);
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| 187 | }
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| 188 | else if (mode == "INSERT") {
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| 189 | return new call_node(this, list, intern("push"), new node[] { value }, null);
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| 190 | }
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| 191 | }
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| 192 | else if (where == "FROM_START") {
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| 193 | // Blockly uses one-based indicies.
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| 194 | if (at is int_node) {
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| 195 | // If the index is a naked number, decrement it right now.
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| 196 | at = new int_node(this, (int)(((int_node)at).to_i() - 1));
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| 197 | }
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| 198 | else {
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| 199 | // If the index is dynamic, decrement it in code.
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| 200 | at = new begin_node(this, new call_node(this, at, intern("-"), new int_node(this, 1)), true);
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| 201 | at = new call_node(this, at, intern("to_i"));
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| 202 | }
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| 203 | if (mode == "SET") {
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| 204 | return new asgn_node(this, new call_node(this, list, intern("[]"), new node[] { at }, null), value);
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| 205 | }
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| 206 | else if (mode == "INSERT") {
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| 207 | return new call_node(this, list, intern("insert"), new node[] { at, value }, null);
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| 208 | }
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| 209 | }
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| 210 | else if (where == "FROM_END") {
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| 211 | if (mode == "SET") {
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| 212 | // Blockly uses one-based indicies.
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| 213 | if (at is int_node) {
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| 214 | // If the index is a naked number, decrement it right now.
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| 215 | }
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| 216 | else {
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| 217 | // If the index is dynamic, decrement it in code.
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| 218 | at = new call_node(this, at, intern("to_i"));
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| 219 | }
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| 220 | return new asgn_node(this, new call_node(this, list, intern("[]"), new node[] { at }, null), value);
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| 221 | }
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| 222 | else if (mode == "INSERT") {
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| 223 | // Blockly uses one-based indicies.
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| 224 | if (at is int_node) {
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| 225 | // If the index is a naked number, decrement it right now.
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| 226 | at = new int_node(this, (int)(((int_node)at).to_i() + 1));
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| 227 | }
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| 228 | else {
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| 229 | // If the index is dynamic, decrement it in code.
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| 230 | at = new begin_node(this, new call_node(this, at, intern("+"), new int_node(this, 1)), true);
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| 231 | at = new call_node(this, at, intern("to_i"));
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| 232 | }
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| 233 |
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| 234 | at = new call_node(this, at, intern("-@"), (node)null);
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| 235 | return new call_node(this, list, intern("insert"), new node[] { at, value }, null);
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| 236 | }
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| 237 | }
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| 238 | else if (where == "RANDOM") {
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| 239 | if (mode == "SET") {
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| 240 | return new fcall_node(this, intern("lists_set_random_item"), new node[] { list, value }, null);
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| 241 | }
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| 242 | else if (mode == "INSERT") {
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| 243 | return new fcall_node(this, intern("lists_insert_random_item"), new node[] { list, value }, null);
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| 244 | }
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| 245 | }
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| 246 | throw new Exception("Unhandled combination (lists_setIndex).");
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| 247 | }
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| 248 |
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| 249 | public node lists_getSublist(ListsGetSublistBlock block)
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| 250 | {
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| 251 | // Get sublist.
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| 252 | var list = valueToCode(block, "LIST");
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| 253 | if (list == null) list = new array_node(this, new node[0]);
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| 254 | var where1 = block.getFieldValue("WHERE1");
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| 255 | var where2 = block.getFieldValue("WHERE2");
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| 256 | var at1 = valueToCode(block, "AT1");
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| 257 | if (at1 == null) at1 = new int_node(this, 1);
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| 258 | var at2 = valueToCode(block, "AT2");
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| 259 | if (at2 == null) at2 = new int_node(this, 1);
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| 260 | if (where1 == "FIRST" || (where1 == "FROM_START" && at1 is int_node && ((int_node)at1).to_i() == 1)) {
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| 261 | at1 = new int_node(this, 0);
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| 262 | }
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| 263 | else if (where1 == "FROM_START") {
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| 264 | // Blockly uses one-based indicies.
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| 265 | if (at1 is int_node) {
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| 266 | at1 = new int_node(this, (int)(((int_node)at1).to_i() - 1));
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| 267 | }
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| 268 | else {
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| 269 | at1 = new call_node(this, at1, intern("to_i"));
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| 270 | at1 = new call_node(this, at1, intern("-"), new int_node(this, 1));
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| 271 | }
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| 272 | }
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| 273 | else if (where1 == "FROM_END") {
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| 274 | if (at1 is int_node) {
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| 275 | at1 = new int_node(this, (int)(-((int_node)at1).to_i()));
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| 276 | }
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| 277 | else {
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| 278 | at1 = new call_node(this, at1, intern("-@"), (node)null);
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| 279 | at1 = new call_node(this, at1, intern("to_i"));
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| 280 | }
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| 281 | }
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| 282 | if (where2 == "LAST" || (where2 == "FROM_END" && at2 is int_node && ((int_node)at2).to_i() == 1)) {
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| 283 | at2 = new int_node(this, -1);
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| 284 | }
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| 285 | else if (where2 == "FROM_START") {
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| 286 | if (at2 is int_node) {
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| 287 | at2 = new int_node(this, (int)(((int_node)at2).to_i() - 1));
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| 288 | }
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| 289 | else {
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| 290 | at2 = new call_node(this, at2, intern("to_i"));
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| 291 | at2 = new call_node(this, at2, intern("-"), new int_node(this, 1));
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| 292 | }
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| 293 | }
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| 294 | else if (where2 == "FROM_END") {
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| 295 | if (at2 is int_node) {
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| 296 | at2 = new int_node(this, (int)(-((int_node)at2).to_i()));
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| 297 | }
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| 298 | else {
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| 299 | at2 = new call_node(this, at2, intern("-@"), (node)null);
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| 300 | at2 = new call_node(this, at2, intern("to_i"));
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| 301 | }
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| 302 | }
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| 303 | return new fcall_node(this, intern("lists_sublist"), new node[] { list, at1, at2 }, null);
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| 304 | }
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| 305 | }
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| 306 | }
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