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Diffstat (limited to 'Blog/Components/Pages/Concat.razor')
| -rw-r--r-- | Blog/Components/Pages/Concat.razor | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/Blog/Components/Pages/Concat.razor b/Blog/Components/Pages/Concat.razor new file mode 100644 index 0000000..856d4e0 --- /dev/null +++ b/Blog/Components/Pages/Concat.razor | |||
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| 1 | @page "/Concat" | ||
| 2 | <PageTitle>Concatenator</PageTitle> | ||
| 3 | <PageScript Src="./Components/Pages/Concat.razor.js"/> | ||
| 4 | <main> | ||
| 5 | <p>A "concatenative language"</p> | ||
| 6 | <form id="form"> | ||
| 7 | <textarea id="input" placeholder="1 2 +" rows="5"></textarea> | ||
| 8 | <input type="submit" value="Run program"> | ||
| 9 | </form> | ||
| 10 | <div> | ||
| 11 | <div id="log"></div> | ||
| 12 | </div> | ||
| 13 | |||
| 14 | <fieldset class="docs"> | ||
| 15 | <legend>Predefined operations</legend> | ||
| 16 | <details> | ||
| 17 | <summary>dup</summary> | ||
| 18 | <p>Duplicates the top value on the stack</p> | ||
| 19 | <div class="flex-spread"> | ||
| 20 | <span>[1, 2, 3]</span> | ||
| 21 | <span>dup</span> | ||
| 22 | </div> | ||
| 23 | <div class="flex-spread"> | ||
| 24 | <span>[1, 1, 2, 3]</span> | ||
| 25 | <span></span> | ||
| 26 | </div> | ||
| 27 | </details> | ||
| 28 | |||
| 29 | <details> | ||
| 30 | <summary>drop</summary> | ||
| 31 | <p>Drops the top value on the stack</p> | ||
| 32 | <div class="flex-spread"> | ||
| 33 | <span>[1, 2, 3]</span> | ||
| 34 | <span>drop</span> | ||
| 35 | </div> | ||
| 36 | <div class="flex-spread"> | ||
| 37 | <span>[2, 3]</span> | ||
| 38 | <span></span> | ||
| 39 | </div> | ||
| 40 | </details> | ||
| 41 | |||
| 42 | <details> | ||
| 43 | <summary>swap</summary> | ||
| 44 | <p>Swaps the top two values on the stack</p> | ||
| 45 | <div class="flex-spread"> | ||
| 46 | <span>[1, 2, 3]</span> | ||
| 47 | <span>swap</span> | ||
| 48 | </div> | ||
| 49 | <div class="flex-spread"> | ||
| 50 | <span>[2, 1, 3]</span> | ||
| 51 | <span></span> | ||
| 52 | </div> | ||
| 53 | </details> | ||
| 54 | |||
| 55 | <details> | ||
| 56 | <summary>skip</summary> | ||
| 57 | <p>Skips forward in the program by the amount on the top of the stack. | ||
| 58 | If the value on the top of the stack is 0 or negative, | ||
| 59 | the value is dropped and the program does not skip ahead. | ||
| 60 | </p> | ||
| 61 | <div class="flex-spread"> | ||
| 62 | <span>[1, 2, 3]</span> | ||
| 63 | <span>skip drop dup</span> | ||
| 64 | </div> | ||
| 65 | <div class="flex-spread"> | ||
| 66 | <span>[2, 3]</span> | ||
| 67 | <span>dup</span> | ||
| 68 | </div> | ||
| 69 | <div class="flex-spread"> | ||
| 70 | <span>[2, 2, 3]</span> | ||
| 71 | <span></span> | ||
| 72 | </div> | ||
| 73 | Or | ||
| 74 | <div class="flex-spread"> | ||
| 75 | <span>[-1, 2, 3]</span> | ||
| 76 | <span>skip drop dup</span> | ||
| 77 | </div> | ||
| 78 | <div class="flex-spread"> | ||
| 79 | <span>[2, 3]</span> | ||
| 80 | <span>drop dup</span> | ||
| 81 | </div> | ||
| 82 | <div class="flex-spread"> | ||
| 83 | <span>[3]</span> | ||
| 84 | <span>dup</span> | ||
| 85 | </div> | ||
| 86 | <div class="flex-spread"> | ||
| 87 | <span>[3, 3]</span> | ||
| 88 | <span></span> | ||
| 89 | </div> | ||
| 90 | </details> | ||
| 91 | |||
| 92 | <details> | ||
| 93 | <summary>: word ... ;</summary> | ||
| 94 | <p>Creates a new definition.</p> | ||
| 95 | <p>Example: ": double 2 * ;" defines a new word called double. Any subsequent mention of double will | ||
| 96 | replace the word with its definition.</p> | ||
| 97 | <div class="flex-spread"> | ||
| 98 | <span>[]</span> | ||
| 99 | <span>: double 2 * ; 3 double</span> | ||
| 100 | </div> | ||
| 101 | <div class="flex-spread"> | ||
| 102 | <span>[]</span> | ||
| 103 | <span>3 double</span> | ||
| 104 | </div> | ||
| 105 | <div class="flex-spread"> | ||
| 106 | <span>[3]</span> | ||
| 107 | <span>double</span> | ||
| 108 | </div> | ||
| 109 | <div class="flex-spread"> | ||
| 110 | <span>[3]</span> | ||
| 111 | <span>2 *</span> | ||
| 112 | </div> | ||
| 113 | <div class="flex-spread"> | ||
| 114 | <span>[2, 3]</span> | ||
| 115 | <span>*</span> | ||
| 116 | </div> | ||
| 117 | <div class="flex-spread"> | ||
| 118 | <span>[6] <==</span> | ||
| 119 | <span></span> | ||
| 120 | </div> | ||
| 121 | </details> | ||
| 122 | </fieldset> | ||
| 123 | <fieldset class="docs"> | ||
| 124 | <legend>Example programs</legend> | ||
| 125 | <details> | ||
| 126 | <summary>Factorial</summary> | ||
| 127 | <NavLink | ||
| 128 | href="/concat?in=FwAgxg9grgdgLgUwE4lQEygBxAJhAZwHcBDbAWhAG4AoUAQlRA2wEYQLJZEV8BrAS2wMAVFWoB2EHWpA"> | ||
| 129 | Replace program | ||
| 130 | </NavLink> | ||
| 131 | <pre> | ||
| 132 | : counter dup 2 swap - ; | ||
| 133 | : ! dup 1 - counter skip ! * ; | ||
| 134 | 7 ! | ||
| 135 | </pre> | ||
| 136 | </details> | ||
| 137 | </fieldset> | ||
| 138 | </main> \ No newline at end of file | ||