diff options
Diffstat (limited to 'public')
| -rw-r--r-- | public/exec.html | 105 | ||||
| -rw-r--r-- | public/index.html | 25 |
2 files changed, 130 insertions, 0 deletions
diff --git a/public/exec.html b/public/exec.html new file mode 100644 index 0000000..6d67d05 --- /dev/null +++ b/public/exec.html @@ -0,0 +1,105 @@ +<!DOCTYPE html> +<html> + <head> + <meta charset="UTF-8" /> + <meta name="viewport" content="width=device-width" /> + <title>exec</title> + </head> + <body> + <div style="width: 100%; text-align: center"> + <span id="current" style="font-size: 80vh"></span> + <span id="raw"></span> + <br> + <span id="ascii"></span> + </div> + <script charset="utf-8"> + const getCookieValue = name => document.cookie.match('(^|;)\\s*' + name + '\\s*=\\s*([^;]+)')?.pop() || '' + const current = document.getElementById("current") + const raw = document.getElementById("raw") + const ascii = document.getElementById("ascii") + const code = getCookieValue("code") + const ptr = +getCookieValue("ptr") + let addr = +document.location.pathname.substring(1) + + const cell = new Uint8Array(1) + cell[0] = +getCookieValue("cell") + + if (ptr >= code.length) { + alert("finished") + out = JSON.parse(getCookieValue("out")) + current.style.display = "none" + raw.innerText = out.join(", ") + ascii.innerText = out.map(x => String.fromCharCode(x)).join("") + throw new Error("byeee") + } + + const lnext = () => { + let parity = 0 + for (let i = ptr + 1; i < code.length; i++) { + if (parity == 0 && code[i] == ']') return i + else if (code[i] == ']') parity-- + else if (code[i] == '[') parity++ + } + alert("invalid code") + throw new Error("invalid code") + } + + const lprev = () => { + let parity = 0 + for (let i = ptr - 1; i >= 0; i--) { + if (parity == 0 && code[i] == '[') return i + else if (code[i] == '[') parity-- + else if (code[i] == ']') parity++ + } + alert("invalid code") + throw new Error("invalid code") + } + + const exec = code[ptr] + current.innerText = exec; + switch(exec) { + case '>': + document.cookie = `ptr=${ptr+1}` + addr++ + break + case '<': + document.cookie = `ptr=${ptr+1}` + addr-- + break + case '+': + document.cookie = `ptr=${ptr+1}` + cell[0] += 1 + document.cookie = `cell=${cell[0]}; path=/${addr}` + break + case '-': + document.cookie = `ptr=${ptr+1}` + cell[0] -= 1 + document.cookie = `cell=${cell[0]}; path=/${addr}` + break + case '.': + document.cookie = `ptr=${ptr+1}` + const out = JSON.parse(getCookieValue("out")) + out.push(cell[0]) + document.cookie = `out=${JSON.stringify(out)}; path=/` + break + case ',': + document.cookie = `ptr=${ptr+1}` + // TODO + const inp = "42" + document.cookie = `cell=${inp}; path=/${addr}` + break + case '[': + document.cookie = `ptr=${cell[0] == 0 ? lnext() + 1 : ptr + 1}` + break + case ']': + document.cookie = `ptr=${cell[0] != 0 ? lprev() + 1 : ptr + 1}` + break + default: + alert("invalid code") + throw new Error("invalid code") + } + + window.location.replace(`/${addr}`) + </script> + </body> +</html> diff --git a/public/index.html b/public/index.html new file mode 100644 index 0000000..00ad5fa --- /dev/null +++ b/public/index.html @@ -0,0 +1,25 @@ +<!DOCTYPE html> +<html> + <head> + <meta charset="UTF-8" /> + <meta name="viewport" content="width=device-width" /> + <title>input</title> + </head> + <body> + <input type="text" placeholder="your program" value="++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++." id="input" /> + <input type="number" value="300" id="timeout" /> + <input type="button" value="go" id="button" /> + <script charset="utf-8"> + const but = document.getElementById("button") + const inp = document.getElementById("input") + but.addEventListener("click", () => { + const timeout = +document.getElementById("timeout").value + // JS cookie assignment be weird af + document.cookie = `code=${inp.value}; max-age=${timeout}; path=/` + document.cookie = `ptr=0; max-age=${timeout}; path=/` + document.cookie = `out=[]; max-age=${timeout}; path=/` + window.location.replace("/0") + }) + </script> + </body> +</html> |