Added explanation why we cp file to pkg

wasm/Cargo.lock

@@ -29,6 +29,37 @@ dependencies = [
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "atty"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "backtrace"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "backtrace-sys 0.1.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-demangle 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "backtrace-sys"
+version = "0.1.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "bit-set"
 version = "0.4.0"
@@ -66,6 +97,11 @@ name = "byteorder"
 version = "1.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "cc"
+version = "1.0.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "cfg-if"
 version = "0.1.6"
@@ -114,6 +150,38 @@ name = "ena"
 version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "env_logger"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "humantime 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termcolor 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "failure"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "backtrace 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure_derive 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "failure_derive"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "fake-simd"
 version = "0.1.2"
@@ -146,6 +214,22 @@ dependencies = [
  "typenum 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "heck"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "unicode-segmentation 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "humantime"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "itertools"
 version = "0.7.8"
@@ -159,6 +243,14 @@ name = "itoa"
 version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "js-sys"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "wasm-bindgen 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "kernel32-sys"
 version = "0.2.2"
@@ -266,6 +358,44 @@ dependencies = [
  "unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "nom"
+version = "4.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "memchr 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "num-bigint"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "num-complex"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "num-integer"
+version = "0.1.39"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "ordermap"
 version = "0.3.5"
@@ -310,6 +440,11 @@ dependencies = [
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "quick-error"
+version = "1.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "quote"
 version = "0.6.8"
@@ -343,6 +478,19 @@ name = "rand_core"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "redox_syscall"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "redox_termios"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "redox_syscall 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "regex"
 version = "0.2.11"
@@ -388,6 +536,11 @@ dependencies = [
  "ucd-util 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rustc-demangle"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "rustpython_parser"
 version = "0.0.1"
@@ -395,7 +548,9 @@ dependencies = [
  "lalrpop 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lalrpop-util 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-bigint 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -405,19 +560,27 @@ dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-bigint 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-complex 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustpython_parser 0.0.1",
  "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "statrs 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rustpython_wasm"
 version = "0.1.0"
 dependencies = [
+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustpython_parser 0.0.1",
  "rustpython_vm 0.1.0",
+ "wasm-bindgen 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "web-sys 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -466,6 +629,19 @@ name = "siphasher"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "sourcefile"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "statrs"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "string_cache"
 version = "0.7.3"
@@ -512,6 +688,17 @@ dependencies = [
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "synstructure"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "term"
 version = "0.4.6"
@@ -521,6 +708,24 @@ dependencies = [
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "termcolor"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "wincolor 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "termion"
+version = "1.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "thread_local"
 version = "0.3.6"
@@ -539,6 +744,11 @@ name = "ucd-util"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "unicode-segmentation"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "unicode-xid"
 version = "0.1.0"
@@ -567,6 +777,89 @@ name = "void"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "wasm-bindgen-macro 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lazy_static 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-shared 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "quote 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-macro-support 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-backend 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-shared 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "wasm-bindgen-webidl"
+version = "0.2.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "failure 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "heck 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-backend 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "weedle 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "web-sys"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "env_logger 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "js-sys 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sourcefile 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-webidl 0.2.23 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "weedle"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "nom 4.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "winapi"
 version = "0.2.8"
@@ -591,22 +884,43 @@ name = "winapi-i686-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "winapi-util"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "wincolor"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi-util 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
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 "checksum block-buffer 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a076c298b9ecdb530ed9d967e74a6027d6a7478924520acddcddc24c1c8ab3ab"
 "checksum byte-tools 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "560c32574a12a89ecd91f5e742165893f86e3ab98d21f8ea548658eb9eef5f40"
 "checksum byteorder 1.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "90492c5858dd7d2e78691cfb89f90d273a2800fc11d98f60786e5d87e2f83781"
+"checksum cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)" = "f159dfd43363c4d08055a07703eb7a3406b0dac4d0584d96965a3262db3c9d16"
 "checksum cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "082bb9b28e00d3c9d39cc03e64ce4cea0f1bb9b3fde493f0cbc008472d22bdf4"
 "checksum cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
 "checksum diff 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "3c2b69f912779fbb121ceb775d74d51e915af17aaebc38d28a592843a2dd0a3a"
@@ -614,13 +928,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum docopt 0.8.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d8acd393692c503b168471874953a2531df0e9ab77d0b6bbc582395743300a4a"
 "checksum either 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3be565ca5c557d7f59e7cfcf1844f9e3033650c929c6566f511e8005f205c1d0"
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wasm/app/html-console.js

@@ -0,0 +1,4 @@
+export function htmlPrint(text) {
+  const htmlConsole = document.getElementById('console');
+  htmlConsole.value += text;
+}

wasm/app/index.html

@@ -25,6 +25,8 @@ print('Hello! x + y equals to ' + str(x+y))
     <button id="run-btn">Run</button>
     <h2>Open the browser console (<kbd>Ctrl</kbd>+<kbd>Shift</kbd>+<kbd>I</kbd> or <kbd>F12</kbd>) to see the output</h2>
     <script src="./bootstrap.js"></script>
+    <textarea id="console">
+    </textarea>
 
     <a href="https://github.com/RustPython/RustPython"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://s3.amazonaws.com/github/ribbons/forkme_right_green_007200.png" alt="Fork me on GitHub"></a>
   </body>

wasm/app/index.js

@@ -1,6 +1,9 @@
 import * as rp from "rustpython_wasm";
 
 function runCodeFromTextarea(_) {
+  // Clean the console
+  document.getElementById('console').value = '';
+
   const code = document.getElementById('code').value;
   if (!code.endsWith('\n')) { // HACK: if the code doesn't end with newline it crashes.
     rp.run_code(code + '\n');

wasm/build.sh

@@ -0,0 +1,9 @@
+# The second cp is due to https://github.com/rustwasm/wasm-pack/issues/240
+wasm-pack build --debug && \
+cp app/html-console.js pkg \
+cd pkg && \
+npm link && \
+cd ../app && \
+npm install && \
+npm link rustpython_wasm && \
+node_modules/.bin/webpack-dev-server

wasm/src/wasm_builtins.rs

@@ -10,19 +10,26 @@ extern crate web_sys;
 use rustpython_vm::obj::objstr;
 use rustpython_vm::VirtualMachine;
 use rustpython_vm::pyobject::{ PyFuncArgs, PyResult };
+use wasm_bindgen::prelude::*;
 use web_sys::console;
 
+#[wasm_bindgen(module = "./html-console")]
+extern "C" {
+    fn htmlPrint(text: String);
+}
+
 pub fn builtin_print(vm: &mut VirtualMachine, args: PyFuncArgs) -> PyResult {
     let mut first = true;
     for a in args.args {
         if first {
             first = false;
         } else {
-            console::log_1(&" ".into())
+            htmlPrint(" ".into())
+            //console::log_1(&" ".into())
         }
         let v = vm.to_str(&a)?;
         let s = objstr::get_value(&v);
-        console::log_1(&format!("{}", s).into())
+        htmlPrint(format!("{}\n", s).into())
     }
     Ok(vm.get_none())
 }