Merge branch 'main' of alea.ludus.dev:twc/ludus

assets/prelude.ld

@@ -1434,9 +1434,7 @@ fn apply_command {
 			(:home) -> do state > 
 				assoc (_, :position, (0, 0)) >
 				assoc (_, :heading, 0)
-			& (:clear) -> do state >
-			& 	assoc (state, :position, (0, 0)) >
-			& 	assoc (_, :heading, 0)
+			(:clear) -> state
 			(:right, turns) -> update (state, :heading, add (_, turns))
 			(:left, turns) -> update (state, :heading, sub (_, turns))
 			(:forward, steps) -> {

pkg/p5.js

@@ -1,11 +1,9 @@
 import {eq_vect, eq_color, resolve_color, get_turtle_color, set_turtle_color, turtle_radius, turtle_angle, turn_to_rad, turtle_init, command_to_state, background_color, rotate, last} from "./turtle_geometry.js"
 
 function states_to_call (prev, curr) {
-  const calls = []
-  // whose state should we use?
-  // pen states will only differ on more than one property
-  // if we use `loadstate`
-  // my sense is `prev`, but that may change
+  // console.log(prev)
+  // console.log(curr)
+  let calls = []
   if (prev.pendown && !eq_vect(prev.position, curr.position)) {
     calls.push(["line", prev.position[0], prev.position[1], curr.position[0], curr.position[1]])
   }
@@ -15,6 +13,9 @@ function states_to_call (prev, curr) {
   if (curr.penwidth !== prev.penwidth) {
     calls.push(["strokeWeight", curr.penwidth])
   }
+  if (curr.clear) {
+    calls.push("clear")
+  }
   return calls
 }
 
@@ -67,25 +68,36 @@ export function p5 (commands) {
     let prev_state = last(all_states[turtle_id])
     const new_state = command_to_state(prev_state, this_command)
     all_states[turtle_id].push(new_state)
+
   }
   // console.log(all_states)
   const [r, g, b, _] = resolve_color(background_color)  
   if ((r + g + b)/3 > 128) set_turtle_color([0, 0, 0, 150])
   const p5_calls = [...p5_call_root()]
   for (const states of Object.values(all_states)) {
-    p5_calls.push(["strokeWeight", 1])
-    p5_calls.push(["stroke", 255])
+    // console.log(states)
+    let my_calls = []
     for (let i = 1; i < states.length; ++i) {
       const prev = states[i - 1]
       const curr = states[i]
       const calls = states_to_call(prev, curr)
       for (const call of calls) {
+        // console.log(call)
+        if (call === "clear") {
+          my_calls = []
+        } else {
+          my_calls.push(call)
+        }
+      }
+    }
+    p5_calls.push(["strokeWeight", 1])
+    p5_calls.push(["stroke", 255])
+    for (const call of my_calls) {
       p5_calls.push(call)
     }
+    p5_render_turtle(last(states), p5_calls)
   }
   p5_calls[0] = ["background", ...resolve_color(background_color)]
-    p5_render_turtle(states[states.length - 1], p5_calls)
-  }
   p5_calls.push(["pop"])
   return p5_calls
 }

pkg/rudus.d.ts

@@ -11,11 +11,11 @@ export interface InitOutput {
   readonly __externref_table_alloc: () => number;
   readonly __wbindgen_export_2: WebAssembly.Table;
   readonly __wbindgen_free: (a: number, b: number, c: number) => void;
-  readonly __wbindgen_export_4: WebAssembly.Table;
   readonly __wbindgen_malloc: (a: number, b: number) => number;
   readonly __wbindgen_realloc: (a: number, b: number, c: number, d: number) => number;
-  readonly closure334_externref_shim: (a: number, b: number, c: any) => void;
-  readonly closure356_externref_shim: (a: number, b: number, c: any, d: any) => void;
+  readonly __wbindgen_export_6: WebAssembly.Table;
+  readonly closure361_externref_shim: (a: number, b: number, c: any) => void;
+  readonly closure384_externref_shim: (a: number, b: number, c: any, d: any) => void;
   readonly __wbindgen_start: () => void;
 }
 

pkg/rudus.js

@@ -17,6 +17,22 @@ function handleError(f, args) {
     }
 }
 
+function logError(f, args) {
+    try {
+        return f.apply(this, args);
+    } catch (e) {
+        let error = (function () {
+            try {
+                return e instanceof Error ? `${e.message}\n\nStack:\n${e.stack}` : e.toString();
+            } catch(_) {
+                return "<failed to stringify thrown value>";
+            }
+        }());
+        console.error("wasm-bindgen: imported JS function that was not marked as `catch` threw an error:", error);
+        throw e;
+    }
+}
+
 const cachedTextDecoder = (typeof TextDecoder !== 'undefined' ? new TextDecoder('utf-8', { ignoreBOM: true, fatal: true }) : { decode: () => { throw Error('TextDecoder not available') } } );
 
 if (typeof TextDecoder !== 'undefined') { cachedTextDecoder.decode(); };
@@ -35,41 +51,6 @@ function getStringFromWasm0(ptr, len) {
     return cachedTextDecoder.decode(getUint8ArrayMemory0().subarray(ptr, ptr + len));
 }
 
-function isLikeNone(x) {
-    return x === undefined || x === null;
-}
-
-const CLOSURE_DTORS = (typeof FinalizationRegistry === 'undefined')
-    ? { register: () => {}, unregister: () => {} }
-    : new FinalizationRegistry(state => {
-    wasm.__wbindgen_export_4.get(state.dtor)(state.a, state.b)
-});
-
-function makeMutClosure(arg0, arg1, dtor, f) {
-    const state = { a: arg0, b: arg1, cnt: 1, dtor };
-    const real = (...args) => {
-        // First up with a closure we increment the internal reference
-        // count. This ensures that the Rust closure environment won't
-        // be deallocated while we're invoking it.
-        state.cnt++;
-        const a = state.a;
-        state.a = 0;
-        try {
-            return f(a, state.b, ...args);
-        } finally {
-            if (--state.cnt === 0) {
-                wasm.__wbindgen_export_4.get(state.dtor)(a, state.b);
-                CLOSURE_DTORS.unregister(state);
-            } else {
-                state.a = a;
-            }
-        }
-    };
-    real.original = state;
-    CLOSURE_DTORS.register(real, state, state);
-    return real;
-}
-
 let WASM_VECTOR_LEN = 0;
 
 const cachedTextEncoder = (typeof TextEncoder !== 'undefined' ? new TextEncoder('utf-8') : { encode: () => { throw Error('TextEncoder not available') } } );
@@ -89,6 +70,8 @@ const encodeString = (typeof cachedTextEncoder.encodeInto === 'function'
 
 function passStringToWasm0(arg, malloc, realloc) {
 
+    if (typeof(arg) !== 'string') throw new Error(`expected a string argument, found ${typeof(arg)}`);
+
     if (realloc === undefined) {
         const buf = cachedTextEncoder.encode(arg);
         const ptr = malloc(buf.length, 1) >>> 0;
@@ -117,7 +100,7 @@ function passStringToWasm0(arg, malloc, realloc) {
         ptr = realloc(ptr, len, len = offset + arg.length * 3, 1) >>> 0;
         const view = getUint8ArrayMemory0().subarray(ptr + offset, ptr + len);
         const ret = encodeString(arg, view);
-
+        if (ret.read !== arg.length) throw new Error('failed to pass whole string');
         offset += ret.written;
         ptr = realloc(ptr, len, offset, 1) >>> 0;
     }
@@ -134,6 +117,112 @@ function getDataViewMemory0() {
     }
     return cachedDataViewMemory0;
 }
+
+function isLikeNone(x) {
+    return x === undefined || x === null;
+}
+
+function _assertBoolean(n) {
+    if (typeof(n) !== 'boolean') {
+        throw new Error(`expected a boolean argument, found ${typeof(n)}`);
+    }
+}
+
+const CLOSURE_DTORS = (typeof FinalizationRegistry === 'undefined')
+    ? { register: () => {}, unregister: () => {} }
+    : new FinalizationRegistry(state => {
+    wasm.__wbindgen_export_6.get(state.dtor)(state.a, state.b)
+});
+
+function makeMutClosure(arg0, arg1, dtor, f) {
+    const state = { a: arg0, b: arg1, cnt: 1, dtor };
+    const real = (...args) => {
+        // First up with a closure we increment the internal reference
+        // count. This ensures that the Rust closure environment won't
+        // be deallocated while we're invoking it.
+        state.cnt++;
+        const a = state.a;
+        state.a = 0;
+        try {
+            return f(a, state.b, ...args);
+        } finally {
+            if (--state.cnt === 0) {
+                wasm.__wbindgen_export_6.get(state.dtor)(a, state.b);
+                CLOSURE_DTORS.unregister(state);
+            } else {
+                state.a = a;
+            }
+        }
+    };
+    real.original = state;
+    CLOSURE_DTORS.register(real, state, state);
+    return real;
+}
+
+function debugString(val) {
+    // primitive types
+    const type = typeof val;
+    if (type == 'number' || type == 'boolean' || val == null) {
+        return  `${val}`;
+    }
+    if (type == 'string') {
+        return `"${val}"`;
+    }
+    if (type == 'symbol') {
+        const description = val.description;
+        if (description == null) {
+            return 'Symbol';
+        } else {
+            return `Symbol(${description})`;
+        }
+    }
+    if (type == 'function') {
+        const name = val.name;
+        if (typeof name == 'string' && name.length > 0) {
+            return `Function(${name})`;
+        } else {
+            return 'Function';
+        }
+    }
+    // objects
+    if (Array.isArray(val)) {
+        const length = val.length;
+        let debug = '[';
+        if (length > 0) {
+            debug += debugString(val[0]);
+        }
+        for(let i = 1; i < length; i++) {
+            debug += ', ' + debugString(val[i]);
+        }
+        debug += ']';
+        return debug;
+    }
+    // Test for built-in
+    const builtInMatches = /\[object ([^\]]+)\]/.exec(toString.call(val));
+    let className;
+    if (builtInMatches && builtInMatches.length > 1) {
+        className = builtInMatches[1];
+    } else {
+        // Failed to match the standard '[object ClassName]'
+        return toString.call(val);
+    }
+    if (className == 'Object') {
+        // we're a user defined class or Object
+        // JSON.stringify avoids problems with cycles, and is generally much
+        // easier than looping through ownProperties of `val`.
+        try {
+            return 'Object(' + JSON.stringify(val) + ')';
+        } catch (_) {
+            return 'Object';
+        }
+    }
+    // errors
+    if (val instanceof Error) {
+        return `${val.name}: ${val.message}\n${val.stack}`;
+    }
+    // TODO we could test for more things here, like `Set`s and `Map`s.
+    return className;
+}
 /**
  * @param {string} src
  * @returns {Promise<void>}
@@ -145,12 +234,19 @@ export function ludus(src) {
     return ret;
 }
 
-function __wbg_adapter_18(arg0, arg1, arg2) {
-    wasm.closure334_externref_shim(arg0, arg1, arg2);
+function _assertNum(n) {
+    if (typeof(n) !== 'number') throw new Error(`expected a number argument, found ${typeof(n)}`);
+}
+function __wbg_adapter_20(arg0, arg1, arg2) {
+    _assertNum(arg0);
+    _assertNum(arg1);
+    wasm.closure361_externref_shim(arg0, arg1, arg2);
 }
 
-function __wbg_adapter_38(arg0, arg1, arg2, arg3) {
-    wasm.closure356_externref_shim(arg0, arg1, arg2, arg3);
+function __wbg_adapter_46(arg0, arg1, arg2, arg3) {
+    _assertNum(arg0);
+    _assertNum(arg1);
+    wasm.closure384_externref_shim(arg0, arg1, arg2, arg3);
 }
 
 async function __wbg_load(module, imports) {
@@ -195,6 +291,17 @@ function __wbg_get_imports() {
         const ret = arg0.call(arg1, arg2);
         return ret;
     }, arguments) };
+    imports.wbg.__wbg_error_7534b8e9a36f1ab4 = function() { return logError(function (arg0, arg1) {
+        let deferred0_0;
+        let deferred0_1;
+        try {
+            deferred0_0 = arg0;
+            deferred0_1 = arg1;
+            console.error(getStringFromWasm0(arg0, arg1));
+        } finally {
+            wasm.__wbindgen_free(deferred0_0, deferred0_1, 1);
+        }
+    }, arguments) };
     imports.wbg.__wbg_io_5a3c8ea72d8c6ea3 = function() { return handleError(function (arg0, arg1) {
         let deferred0_0;
         let deferred0_1;
@@ -207,17 +314,17 @@ function __wbg_get_imports() {
             wasm.__wbindgen_free(deferred0_0, deferred0_1, 1);
         }
     }, arguments) };
-    imports.wbg.__wbg_log_11652c6a56eeddfb = function(arg0, arg1) {
+    imports.wbg.__wbg_log_11652c6a56eeddfb = function() { return logError(function (arg0, arg1) {
         console.log(getStringFromWasm0(arg0, arg1));
-    };
-    imports.wbg.__wbg_new_23a2665fac83c611 = function(arg0, arg1) {
+    }, arguments) };
+    imports.wbg.__wbg_new_23a2665fac83c611 = function() { return logError(function (arg0, arg1) {
         try {
             var state0 = {a: arg0, b: arg1};
             var cb0 = (arg0, arg1) => {
                 const a = state0.a;
                 state0.a = 0;
                 try {
-                    return __wbg_adapter_38(a, state0.b, arg0, arg1);
+                    return __wbg_adapter_46(a, state0.b, arg0, arg1);
                 } finally {
                     state0.a = a;
                 }
@@ -227,54 +334,65 @@ function __wbg_get_imports() {
         } finally {
             state0.a = state0.b = 0;
         }
-    };
-    imports.wbg.__wbg_newnoargs_105ed471475aaf50 = function(arg0, arg1) {
+    }, arguments) };
+    imports.wbg.__wbg_new_8a6f238a6ece86ea = function() { return logError(function () {
+        const ret = new Error();
+        return ret;
+    }, arguments) };
+    imports.wbg.__wbg_newnoargs_105ed471475aaf50 = function() { return logError(function (arg0, arg1) {
         const ret = new Function(getStringFromWasm0(arg0, arg1));
         return ret;
-    };
-    imports.wbg.__wbg_now_8dddb61fa4928554 = function() {
+    }, arguments) };
+    imports.wbg.__wbg_now_8dddb61fa4928554 = function() { return logError(function () {
         const ret = Date.now();
         return ret;
-    };
-    imports.wbg.__wbg_queueMicrotask_97d92b4fcc8a61c5 = function(arg0) {
+    }, arguments) };
+    imports.wbg.__wbg_queueMicrotask_97d92b4fcc8a61c5 = function() { return logError(function (arg0) {
         queueMicrotask(arg0);
-    };
-    imports.wbg.__wbg_queueMicrotask_d3219def82552485 = function(arg0) {
+    }, arguments) };
+    imports.wbg.__wbg_queueMicrotask_d3219def82552485 = function() { return logError(function (arg0) {
         const ret = arg0.queueMicrotask;
         return ret;
-    };
-    imports.wbg.__wbg_random_57c118f142535bb6 = function() {
+    }, arguments) };
+    imports.wbg.__wbg_random_57c118f142535bb6 = function() { return logError(function () {
         const ret = Math.random();
         return ret;
-    };
-    imports.wbg.__wbg_resolve_4851785c9c5f573d = function(arg0) {
+    }, arguments) };
+    imports.wbg.__wbg_resolve_4851785c9c5f573d = function() { return logError(function (arg0) {
         const ret = Promise.resolve(arg0);
         return ret;
-    };
-    imports.wbg.__wbg_static_accessor_GLOBAL_88a902d13a557d07 = function() {
+    }, arguments) };
+    imports.wbg.__wbg_stack_0ed75d68575b0f3c = function() { return logError(function (arg0, arg1) {
+        const ret = arg1.stack;
+        const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+        const len1 = WASM_VECTOR_LEN;
+        getDataViewMemory0().setInt32(arg0 + 4 * 1, len1, true);
+        getDataViewMemory0().setInt32(arg0 + 4 * 0, ptr1, true);
+    }, arguments) };
+    imports.wbg.__wbg_static_accessor_GLOBAL_88a902d13a557d07 = function() { return logError(function () {
         const ret = typeof global === 'undefined' ? null : global;
         return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
-    };
-    imports.wbg.__wbg_static_accessor_GLOBAL_THIS_56578be7e9f832b0 = function() {
+    }, arguments) };
+    imports.wbg.__wbg_static_accessor_GLOBAL_THIS_56578be7e9f832b0 = function() { return logError(function () {
         const ret = typeof globalThis === 'undefined' ? null : globalThis;
         return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
-    };
-    imports.wbg.__wbg_static_accessor_SELF_37c5d418e4bf5819 = function() {
+    }, arguments) };
+    imports.wbg.__wbg_static_accessor_SELF_37c5d418e4bf5819 = function() { return logError(function () {
         const ret = typeof self === 'undefined' ? null : self;
         return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
-    };
-    imports.wbg.__wbg_static_accessor_WINDOW_5de37043a91a9c40 = function() {
+    }, arguments) };
+    imports.wbg.__wbg_static_accessor_WINDOW_5de37043a91a9c40 = function() { return logError(function () {
         const ret = typeof window === 'undefined' ? null : window;
         return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
-    };
-    imports.wbg.__wbg_then_44b73946d2fb3e7d = function(arg0, arg1) {
+    }, arguments) };
+    imports.wbg.__wbg_then_44b73946d2fb3e7d = function() { return logError(function (arg0, arg1) {
         const ret = arg0.then(arg1);
         return ret;
-    };
-    imports.wbg.__wbg_then_48b406749878a531 = function(arg0, arg1, arg2) {
+    }, arguments) };
+    imports.wbg.__wbg_then_48b406749878a531 = function() { return logError(function (arg0, arg1, arg2) {
         const ret = arg0.then(arg1, arg2);
         return ret;
-    };
+    }, arguments) };
     imports.wbg.__wbindgen_cb_drop = function(arg0) {
         const obj = arg0.original;
         if (obj.cnt-- == 1) {
@@ -282,11 +400,19 @@ function __wbg_get_imports() {
             return true;
         }
         const ret = false;
+        _assertBoolean(ret);
         return ret;
     };
-    imports.wbg.__wbindgen_closure_wrapper1023 = function(arg0, arg1, arg2) {
-        const ret = makeMutClosure(arg0, arg1, 335, __wbg_adapter_18);
+    imports.wbg.__wbindgen_closure_wrapper8180 = function() { return logError(function (arg0, arg1, arg2) {
+        const ret = makeMutClosure(arg0, arg1, 362, __wbg_adapter_20);
         return ret;
+    }, arguments) };
+    imports.wbg.__wbindgen_debug_string = function(arg0, arg1) {
+        const ret = debugString(arg1);
+        const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+        const len1 = WASM_VECTOR_LEN;
+        getDataViewMemory0().setInt32(arg0 + 4 * 1, len1, true);
+        getDataViewMemory0().setInt32(arg0 + 4 * 0, ptr1, true);
     };
     imports.wbg.__wbindgen_init_externref_table = function() {
         const table = wasm.__wbindgen_export_2;
@@ -300,10 +426,12 @@ function __wbg_get_imports() {
     };
     imports.wbg.__wbindgen_is_function = function(arg0) {
         const ret = typeof(arg0) === 'function';
+        _assertBoolean(ret);
         return ret;
     };
     imports.wbg.__wbindgen_is_undefined = function(arg0) {
         const ret = arg0 === undefined;
+        _assertBoolean(ret);
         return ret;
     };
     imports.wbg.__wbindgen_string_get = function(arg0, arg1) {

pkg/rudus_bg.wasm.d.ts

@@ -6,9 +6,9 @@ export const __wbindgen_exn_store: (a: number) => void;
 export const __externref_table_alloc: () => number;
 export const __wbindgen_export_2: WebAssembly.Table;
 export const __wbindgen_free: (a: number, b: number, c: number) => void;
-export const __wbindgen_export_4: WebAssembly.Table;
 export const __wbindgen_malloc: (a: number, b: number) => number;
 export const __wbindgen_realloc: (a: number, b: number, c: number, d: number) => number;
-export const closure334_externref_shim: (a: number, b: number, c: any) => void;
-export const closure356_externref_shim: (a: number, b: number, c: any, d: any) => void;
+export const __wbindgen_export_6: WebAssembly.Table;
+export const closure361_externref_shim: (a: number, b: number, c: any) => void;
+export const closure384_externref_shim: (a: number, b: number, c: any, d: any) => void;
 export const __wbindgen_start: () => void;

pkg/turtle_geometry.js

@@ -71,53 +71,53 @@ export function command_to_state (prev_state, curr_command) {
   const [verb] = curr_command
   switch (verb) {
     case "goto": {
-      const [_, x, y] = curr_command
-      return {...prev_state, position: [x, y]}
+      const [_, [x, y]] = curr_command
+      return {...prev_state, position: [x, y], clear: false}
     }
     case "home": {
-      return {...prev_state, position: [0, 0], heading: 0}
+      return {...prev_state, position: [0, 0], heading: 0, clear: false}
     }
     case "right": {
       const [_, angle] = curr_command
       const {heading} = prev_state
-      return {...prev_state, heading: heading + angle}
+      return {...prev_state, heading: heading + angle, clear: false}
     }
     case "left": {
       const [_, angle] = curr_command
       const {heading} = prev_state
-      return {...prev_state, heading: heading - angle}
+      return {...prev_state, heading: heading - angle, clear: false}
     }
     case "forward": {
       const [_, steps] = curr_command
       const {heading, position} = prev_state
       const unit = unit_of(heading)
       const move = mult(unit, steps)
-      return {...prev_state, position: add(position, move)}
+      return {...prev_state, position: add(position, move), clear: false}
     }
     case "back": {
       const [_, steps] = curr_command
       const {heading, position} = prev_state
       const unit = unit_of(heading)
       const move = mult(unit, -steps)
-      return {...prev_state, position: add(position, move)}
+      return {...prev_state, position: add(position, move), clear: false}
     }
     case "penup": {
-      return {...prev_state, pendown: false}
+      return {...prev_state, pendown: false, clear: false}
     }
     case "pendown": {
-      return {...prev_state, pendown: true}
+      return {...prev_state, pendown: true, clear: false}
     }
     case "penwidth": {
       const [_, width] = curr_command
-      return {...prev_state, penwidth: width}
+      return {...prev_state, penwidth: width, clear: false}
     }
     case "pencolor": {
       const [_, color] = curr_command
-      return {...prev_state, pencolor: color}
+      return {...prev_state, pencolor: color, clear: false}
     }
     case "setheading": {
       const [_, heading] = curr_command
-      return {...prev_state, heading: heading}
+      return {...prev_state, heading: heading, clear: false}
     }
     case "loadstate": {
       // console.log("LOADSTATE: ", curr_command)
@@ -125,15 +125,18 @@ export function command_to_state (prev_state, curr_command) {
       return {position: [x, y], heading, visible, pendown, penwidth, pencolor}
     }
     case "show": {
-      return {...prev_state, visible: true}
+      return {...prev_state, visible: true, clear: false}
     }
     case "hide": {
-      return {...prev_state, visible: false}
+      return {...prev_state, visible: false, clear: false}
     }
     case "background": {
       background_color = curr_command[1]
       return prev_state
     }
+    case "clear": {
+      return {...prev_state, clear: true}
+    }
   }
 }
 

src/lib.rs

@@ -111,7 +111,7 @@ fn prelude() -> HashMap<Key, Value> {
 #[wasm_bindgen]
 pub async fn ludus(src: String) {
     // instrument wasm to report rust panics
-    // console_error_panic_hook::set_once();
+    console_error_panic_hook::set_once();
     // leak the source so it lives FOREVER
     let src = src.to_string().leak();