From c325429c66ae371f52c1d5ddd7c3edfc30fdd7e7 Mon Sep 17 00:00:00 2001
From: Daniel H <tudbut@tudbut.de>
Date: Sat, 5 Mar 2022 21:09:17 +0100
Subject: [PATCH] Delete isbpl.js

---
 bootstrap/isbpl.js | 204 ---------------------------------------------
 1 file changed, 204 deletions(-)
 delete mode 100644 bootstrap/isbpl.js

diff --git a/bootstrap/isbpl.js b/bootstrap/isbpl.js
deleted file mode 100644
index d018adc..0000000
--- a/bootstrap/isbpl.js
+++ /dev/null
@@ -1,204 +0,0 @@
-#!/bin/node
-
-const fs = require('fs');
-const process = require('process');
-
-const stack = [];
-const vars = [{}];
-const keywords = [
-    "native",
-    "func",
-    "if",
-    "def",
-    "stop",
-];
-let insns;
-let die = 0;
-
-const natives = {
-    "alen": function () {
-        stack.push(stack.pop().length);
-    },
-    "aget": function () {
-        let idx = stack.pop();
-        let array = stack.pop();
-        stack.push(array[idx]);
-    },
-    "aput": function () {
-        let val = stack.pop();
-        let idx = stack.pop();
-        let array = stack.pop();
-        array[idx] = val;
-    },
-    "anew": function () {
-        let length = stack.pop();
-        let val = stack.pop();
-        stack.push(Array.apply(val, Array(length));
-    },
-    "_char": function () {
-        stack.push(String.fromCharCode(stack.pop()));
-    },
-    "_int": function () {
-        stack.push(Number(stack.pop()));
-    },
-    "_file": function () {
-        stack.push(String(stack.pop()));
-    },
-    "_float": function () {
-        stack.push(Number(stack.pop()));
-    },
-    "_long": function () {
-        stack.push(Number(stack.pop()));
-    },
-    "_double": function () {
-        stack.push(Number(stack.pop()));
-    },
-    "ischar": function () {
-        let x = stack.pop();
-        stack.push(x instanceof String && x.length == 1)
-    },
-    "isint": function () {
-        let x = stack.pop();
-        stack.push(x instanceof Number)
-    },
-    "isfloat": function () {
-        let x = stack.pop();
-        stack.push(x instanceof Number)
-    },
-    "islong": function () {
-        let x = stack.pop();
-        stack.push(x instanceof Number)
-    },
-    "isdouble": function () {
-        let x = stack.pop();
-        stack.push(x instanceof Number)
-    },
-    "putchar": function () {
-        if(x instanceof String && x.length == 1)
-            process.stdout.write(x);
-        else
-            process.stdout.write(Number(x))
-        process.stdout.flush();
-    },
-    "read": function () {
-        let filename = stack.pop();
-        stack.push(fs.readFileSync(filename, "iso-8859-1"));
-    },
-    "write": function () {
-        let content = stack.pop();
-        let filename = stack.pop();
-        fs.writeFileSync(filename, content, { encoding: "iso-8859-1" });
-    },
-    "flength": function () {
-        let filename = stack.pop();
-        stack.push(fs.statSync(filename).size);
-    },
-    "mktype": function () {
-    },
-    "type": function () {
-    },
-    "call": function () {
-        resolve(stack.pop(), 0);
-    },
-    "typename": function () {
-    }
-}
-
-function beginBlock(i) {
-    if(insns[i++] !== "{") {
-        console.err("Exoected { at " + insns[i] + " at beginning of block!")
-        process.exit(1);
-    }
-    const finsns = [];
-    let n = 1;
-    while(n > 0) {
-        finsns.push(insns[i]);
-        if(insns[i] === "{") n++;
-        if(insns[i] === "}") n--;
-        i++;
-    }
-    finsns.pop();
-    return [
-        function call () {
-            for(let j = 0; j < finsns.length; ) {
-                j = resolve(finsns[j], j);
-                if(die > 0) {
-                    die--;
-                    return;
-                }
-            }
-        },
-        i
-    ]
-}
-
-function handleKeyword(id, i) {
-    if(id === "def") {
-        i++;
-        vars.peek()[insns[i]] = 0
-        vars.peek()["=" + insns[i]] = function set() {
-            vars.peek()[insns[i]] = stack.pop();
-        };
-    }
-    if(id === "native") {
-        i++;
-        vars.peek()[insns[i]] = natives[insns[i]];
-    }
-    if(id === "if") {
-        i++;
-        const block = beginBlock();
-        if(stack.pop()) {
-            block[0]();
-        }
-        i = block[1];
-    }
-    if(id === "func") {
-        i++;
-        const block = beginBlock(i);
-        vars.peek()[insns[i]] = block[0];
-        i = block[1];
-    }
-    if(id === "while") {
-        i++;
-        const n = i;
-        // This is needed to set the insn pointer to the right location after the block
-        let block;
-        while((function check() {
-            while(insns[i] !== "{") {
-                i = resolve(insns[i], i);
-            }
-            i--;
-            return stack.pop()
-        })()) {
-            block = block || beginBlock(i);
-            block[0]();
-            i = n;
-        }
-        block = block || beginBlock(i);
-        i = block[1];
-    }
-    if(id === "stop") {
-        die = stack.pop()
-    }
-    return i + 1;
-}
-
-function resolve(id, i) {
-    if(keywords.contains(keywords)) {
-        return handleKeyword(id, i);
-    }
-    let toRun = vars.peek()[id] || vars[0][id];
-    if(!toRun) {
-        console.err("Could not find keyword " + id + "!");
-        process.exit(1);
-    }
-    else {
-        toRun();
-    }
-    return ++i;
-}
-
-
-for(let i = 0; i < isns.length; ) {
-    i = resolve(insns[i]);
-}