01ba292b9f
This is a rather large commit that includes all of the following: - React UI with code editor, runtime renderer and input-output panes - Language providers for a sample language and Brainfuck - Implementation of code execution in a web worker - All-at-once unabortable execution of program fully functional
82 lines
2.6 KiB
TypeScript
82 lines
2.6 KiB
TypeScript
import { MonacoTokensProvider } from "../types";
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export type BFRS = {
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tape: { [k: number]: number };
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pointer: number;
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};
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export enum BF_OP {
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LEFT = "<",
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RIGHT = ">",
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INCR = "+",
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DECR = "-",
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OUT = ".",
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IN = ",",
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LOOPIN = "[",
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LOOPOUT = "]",
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}
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/** A single instruction of the program */
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export type BFInstruction = {
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/** Type of instruction */
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type: BF_OP;
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/** Used for location of opposite end of loops */
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param?: number;
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};
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/** A single element of the program's AST */
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export type BFAstStep = {
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instr: BFInstruction;
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location: { line: number; char: number };
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};
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/** Sample program printing "Hello World!" */
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export const sampleProgram = [
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"+++++ +++ Set Cell #0 to 8",
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"[",
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" >++++ Add 4 to Cell #1; this will always set Cell #1 to 4",
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" [ as the cell will be cleared by the loop",
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" >++ Add 4*2 to Cell #2",
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" >+++ Add 4*3 to Cell #3",
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" >+++ Add 4*3 to Cell #4",
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" >+ Add 4 to Cell #5",
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" <<<<- Decrement the loop counter in Cell #1",
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" ] Loop till Cell #1 is zero",
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" >+ Add 1 to Cell #2",
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" >+ Add 1 to Cell #3",
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" >- Subtract 1 from Cell #4",
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" >>+ Add 1 to Cell #6",
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" [<] Move back to the first zero cell you find; this will",
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" be Cell #1 which was cleared by the previous loop",
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" <- Decrement the loop Counter in Cell #0",
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"] Loop till Cell #0 is zero",
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"",
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"The result of this is:",
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"Cell No : 0 1 2 3 4 5 6",
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"Contents: 0 0 72 104 88 32 8",
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"Pointer : ^",
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"",
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">>. Cell #2 has value 72 which is 'H'",
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">---. Subtract 3 from Cell #3 to get 101 which is 'e'",
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"+++++ ++..+++. Likewise for 'llo' from Cell #3",
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">>. Cell #5 is 32 for the space",
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"<-. Subtract 1 from Cell #4 for 87 to give a 'W'",
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"<. Cell #3 was set to 'o' from the end of 'Hello'",
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"+++.----- -.----- ---. Cell #3 for 'rl' and 'd'",
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">>+. Add 1 to Cell #5 gives us an exclamation point",
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">++. And finally a newline from Cell #6",
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].join("\n");
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/** Tokens provider */
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export const editorTokensProvider: MonacoTokensProvider = {
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tokenizer: {
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root: [
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[/[-\+]/, "operator"],
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[/[<>]/, "annotation"],
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[/[\[\]]/, "keyword"],
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[/[\,\.]/, "type.identifier"],
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],
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},
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defaultToken: "comment",
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};
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