Simple hello world working with node-addon-api (C++)

Clear old contents of src/runtime/javascript, add README for upcoming bindings
2019-07-22 11:31:19 +02:00 · 2019-07-15 11:30:21 +02:00
23 changed files with 939 additions and 3065 deletions
--- a/src/runtime/javascript/.gitignore
+++ b/src/runtime/javascript/.gitignore
@@ -0,0 +1,3 @@
+build
+node_modules
+*.log
--- a/src/runtime/javascript/DEPRECATED.md
+++ b/src/runtime/javascript/DEPRECATED.md
@@ -1,4 +0,0 @@
-# Deprecation notice
-
-As of June 2019, this JavaScript version of the GF runtime is considered deprecated,
-in favour of the TypeScript version in <https://github.com/GrammaticalFramework/gf-typescript>.
--- a/src/runtime/javascript/README.md
+++ b/src/runtime/javascript/README.md
@@ -0,0 +1,25 @@
+# JavaScript bindings to the C runtime
+
+A Node.js package for accessing the C runtime.
+
+## Dev notes
+
+- Assumes runtime is already installed on system (does not compile itself)
+- ~~`npm install`~~ `npm run build`  will create `./build/Release/native.node` (see `binding.gyp > target_name`
+- not sure if `--napi-modules` flag is necessary when running node
+- test with: `npm run build && node index.js`
+
+### Resources
+
+https://medium.com/@tarkus/how-to-call-c-c-code-from-node-js-86a773033892
+https://medium.com/@atulanand94/beginners-guide-to-writing-nodejs-addons-using-c-and-n-api-node-addon-api-9b3b718a9a7f
+
+---
+
+**What about the pure JS runtime?**
+
+As of June 2019, the JavaScript version of the GF runtime
+has been replaced by a TypeScript version at: <https://github.com/GrammaticalFramework/gf-typescript>
+
+This folder previously contained an example web application using the old JavaScript runtime,
+which you can access [here](https://github.com/GrammaticalFramework/gf-core/tree/12079550f847a9f98eb0e1eca2fd0ea3d986a94a/src/runtime/javascript).
--- a/src/runtime/javascript/binding.cpp
+++ b/src/runtime/javascript/binding.cpp
@@ -0,0 +1,28 @@
+#include <napi.h>
+
+// #include <pgf/pgf.h>
+// #include <gu/file.h>
+// #include <gu/variant.h>
+// #include <gu/map.h>
+// #include <gu/enum.h>
+// #include <gu/exn.h>
+// #include <pgf/literals.h>
+// #include <pgf/linearizer.h>
+
+Napi::Value readPGF(const Napi::CallbackInfo& info) {
+  Napi::Env env = info.Env();
+
+  if (info.Length() < 1) {
+    Napi::TypeError::New(env, "Wrong number of arguments").ThrowAsJavaScriptException();
+    return env.Null();
+  }
+
+  return info[0].As<Napi::String>();
+}
+
+Napi::Object initAll(Napi::Env env, Napi::Object exports) {
+  exports.Set("readPGF", Napi::Function::New(env, readPGF));
+  return exports;
+}
+
+NODE_API_MODULE(pgf, initAll)
--- a/src/runtime/javascript/binding.gyp
+++ b/src/runtime/javascript/binding.gyp
@@ -0,0 +1,22 @@
+{
+  "targets": [
+    {
+      "target_name": "pgf",
+      "sources": [
+        "binding.cpp"
+      ],
+      "include_dirs": [
+        "<!@(node -p \"require('node-addon-api').include\")"
+      ],
+      "dependencies": [
+        "<!(node -p \"require('node-addon-api').gyp\")"
+      ],
+      "libraries": [
+        "/usr/local/lib/libpgf.dylib"
+      ],
+      "cflags!": ["-fno-exceptions"],
+      "cflags_cc!": ["-fno-exceptions"],
+      "defines": ["NAPI_DISABLE_CPP_EXCEPTIONS"]
+    }
+  ]
+}
--- a/src/runtime/javascript/editor-grammar/Editor.gf
+++ b/src/runtime/javascript/editor-grammar/Editor.gf
@@ -1,62 +0,0 @@
-abstract Editor = {
-
-cat Adjective ;
-    Noun ;
-    Verb ;
-    Determiner ;
-    Sentence ;
-
-fun Available : Adjective ;
-    Next      : Adjective ;
-    Previous  : Adjective ;
- 
-fun Bulgarian : Noun ;
-    Danish    : Noun ;
-    English   : Noun ;
-    Finnish   : Noun ;
-    French    : Noun ;
-    German    : Noun ;
-    Italian   : Noun ;
-    Norwegian : Noun ;
-    Russian   : Noun ;
-    Spanish   : Noun ;
-    Swedish   : Noun ;
-
-fun Float_N    : Noun ;
-    Integer_N  : Noun ;
-    String_N   : Noun ;
-    
-    Language   : Noun ;
-    Node       : Noun ;
-    Page       : Noun ;
-    Refinement : Noun ;
-    Tree       : Noun ;
-    Wrapper    : Noun ;
-
-fun Copy    : Verb ;
-    Cut     : Verb ;
-    Delete  : Verb ;
-    Enter   : Verb ;
-    Parse   : Verb ;
-    Paste   : Verb ;
-    Redo    : Verb ;
-    Refine  : Verb ;
-    Replace : Verb ;
-    Select  : Verb ;
-    Show    : Verb ;
-    Undo    : Verb ;
-    Wrap    : Verb ;
-
-fun DefPlDet   : Determiner ;
-    DefSgDet   : Determiner ;
-    IndefPlDet : Determiner ;
-    IndefSgDet : Determiner ;
-
-fun Command           : Verb -> Determiner -> Noun -> Sentence ;
-    CommandAdj        : Verb -> Determiner -> Adjective -> Noun -> Sentence ;
-    ErrorMessage      : Adjective -> Noun -> Sentence ;   
-    Label             : Noun -> Sentence ;
-    RandomlyCommand   : Verb -> Determiner -> Noun -> Sentence ;
-    SingleWordCommand : Verb -> Sentence ;
-
-}
--- a/src/runtime/javascript/editor-grammar/EditorEng.gf
+++ b/src/runtime/javascript/editor-grammar/EditorEng.gf
@@ -1,63 +0,0 @@
--# -path=alltenses
-concrete EditorEng of Editor = open GrammarEng, ParadigmsEng in {
-
-lincat Adjective = A ;
-       Noun = N ;
-       Verb = V ;
-       Determiner = Det ;
-       Sentence = Utt ;
-
-lin Available = mkA "available" ;
-    Next      = mkA "next" ;
-    Previous  = mkA "previous" ;
-
-lin Bulgarian = mkN "Bulgarian" ;
-    Danish    = mkN "Danish" ;
-    English   = mkN "English" ;
-    Finnish   = mkN "Finnish" ;
-    French    = mkN "French" ;
-    German    = mkN "German" ;
-    Italian   = mkN "Italian" ;
-    Norwegian = mkN "Norwegian" ;
-    Russian   = mkN "Russian" ;
-    Spanish   = mkN "Spanish" ;
-    Swedish   = mkN "Swedish" ;
-
-lin Float_N    = mkN "float" ;
-    Integer_N  = mkN "integer" ;
-    String_N   = mkN "string" ;
-    
-    Language   = mkN "language" ;
-    Node       = mkN "node" ;
-    Page       = mkN "page" ;
-    Refinement = mkN "refinement" ;
-    Tree       = mkN "tree" ;
-    Wrapper    = mkN "wrapper" ;
-
-lin Copy    = mkV "copy" ;
-    Cut     = mkV "cut" ;
-    Delete  = mkV "delete" ;
-    Enter   = mkV "enter" ;
-    Parse   = mkV "parse" ;
-    Paste   = mkV "paste" ;
-    Redo    = mkV "redo" ;
-    Refine  = mkV "refine" ;
-    Replace = mkV "replace" ;
-    Select  = mkV "select" ;
-    Show    = mkV "show" ;
-    Undo    = mkV "undo" ;
-    Wrap    = mkV "wrap" ;
-
-lin DefPlDet   = DetQuant DefArt   NumPl ;
-    DefSgDet   = DetQuant DefArt   NumSg ;
-    IndefPlDet = DetQuant IndefArt NumPl ;
-    IndefSgDet = DetQuant IndefArt NumSg ;
-
-lin Command v d n = UttImpSg PPos (ImpVP (ComplSlash (SlashV2a (mkV2 v)) (DetCN d (UseN n)))) ;
-    CommandAdj v d a n = UttImpSg PPos (ImpVP (ComplSlash (SlashV2a (mkV2 v)) (DetCN d (AdjCN (PositA a) (UseN n))))) ;
-    ErrorMessage a n = UttNP (DetCN (DetQuant no_Quant NumPl) (AdjCN (PositA a) (UseN n))) ;
-    Label n = UttNP (MassNP (UseN n)) ;
-    RandomlyCommand v d n = UttImpSg PPos (ImpVP (AdvVP (ComplSlash (SlashV2a (mkV2 v)) (DetCN d (UseN n))) (PrepNP (mkPrep "at") (MassNP (UseN (mkN "random")))))) ;
-    SingleWordCommand v = UttImpSg PPos (ImpVP (UseV v)) ;
-
-}
--- a/src/runtime/javascript/editor.html
+++ b/src/runtime/javascript/editor.html
@@ -1,17 +0,0 @@
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
-
-<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
-	<head>
-		<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
-  		<link rel="stylesheet" type="text/css" href="style.css" />
-		<script type="text/javascript" src="gflib.js"></script>
-		<script type="text/javascript" src="editorGrammar.js"></script>
-		<script type="text/javascript" src="grammar.js"></script>
-		<script type="text/javascript" src="gfjseditor.js"></script>
-  		<title>Web-based Syntax Editor</title>
-	</head>
-	<body onload="mkEditor('editor', Foods)" onkeydown="return hotKeys(event)">
-		<div id="editor">
-		</div>
-	</body>
-</html>
--- a/src/runtime/javascript/editorGrammar.js
+++ b/src/runtime/javascript/editorGrammar.js
--- a/src/runtime/javascript/empty.png
+++ b/src/runtime/javascript/empty.png
--- a/src/runtime/javascript/gfjseditor.js
+++ b/src/runtime/javascript/gfjseditor.js
--- a/src/runtime/javascript/gflib-xhtml-voice.js
+++ b/src/runtime/javascript/gflib-xhtml-voice.js
@@ -1,54 +0,0 @@
-/* Output */
-
-function sayText(text) {
-  document.voice_output_text = text;
-  activateForm("voice_output");
-}
-
-/* XHTML+Voice Utilities */
-
-function activateForm(formid) {
-  var form = document.getElementById(formid);
-  var e = document.createEvent("UIEvents");
-  e.initEvent("DOMActivate","true","true");
-  form.dispatchEvent(e); 
-}
-
-
-/* DOM utilities */
-
-/* Gets the head element of the document. */
-function getHeadElement() {
-  var hs = document.getElementsByTagName("head");
-  if (hs.length == 0) {
-    var head = document.createElement("head");
-    document.documentElement.insertBefore(head, document.documentElement.firstChild);
-    return head;
-  } else {
-    return hs[0];
-  }
-}
-
-/* Gets the body element of the document. */
-function getBodyElement() {
-  var bs = document.getElementsByTagName("body");
-  if (bs.length == 0) {
-    var body = document.createElement("body");
-    document.documentElement.appendChild(body);
-    return body;
-  } else {
-    return bs[0];
-  }
-}
-
-/* Removes all the children of a node */
-function removeChildren(node) {
-  while (node.hasChildNodes()) {
-    node.removeChild(node.firstChild);
-  }
-}
-
-function setText(node, text) {
-  removeChildren(node);
-  node.appendChild(document.createTextNode(text));
-}
--- a/src/runtime/javascript/gflib.js
+++ b/src/runtime/javascript/gflib.js
--- a/src/runtime/javascript/grammar.js
+++ b/src/runtime/javascript/grammar.js
--- a/src/runtime/javascript/index.js
+++ b/src/runtime/javascript/index.js
@@ -0,0 +1,16 @@
+const pgf = require('bindings')('pgf')
+// console.log('pgf', pgf)
+console.log(pgf.readPGF('/Users/john/repositories/gf-typescript/test/grammars/Zero.pgf'));
+module.exports = pgf
+
+/*
+let gr = pgf.readPGF('App12.pgf')
+let eng = gr.languages['AppEng']
+let i = eng.parse('this is a small theatre', pgf.readType('NP'))
+let pr = i.next() // pr.tree, pr.prob
+
+let e = pgf.readExpr("AdjCN (PositA red_A) (UseN theatre_N)")
+eng.linearize(e) // : string
+eng.linearizeAll(e) // : string[]
+eng.tabularLinearize(e) // : {[key]:string : string}
+*/
--- a/src/runtime/javascript/minus.png
+++ b/src/runtime/javascript/minus.png
--- a/src/runtime/javascript/package-lock.json
+++ b/src/runtime/javascript/package-lock.json
@@ -0,0 +1,824 @@
+{
+  "name": "gf-js-bindings",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
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+      }
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+}
--- a/src/runtime/javascript/package.json
+++ b/src/runtime/javascript/package.json
@@ -0,0 +1,21 @@
+{
+  "name": "gf-js-bindings",
+  "version": "1.0.0",
+  "description": "JavaScript bindings to the GF C runtime",
+  "main": "index.js",
+  "scripts": {
+    "build": "node-gyp rebuild",
+    "clean": "node-gyp clean",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "John J. Camilleri",
+  "license": "LGPL-3.0-or-later",
+  "gypfile": true,
+  "dependencies": {
+    "bindings": "^1.5.0",
+    "node-addon-api": "^1.6.3"
+  },
+  "devDependencies": {
+    "node-gyp": "^5.0.2"
+  }
+}
--- a/src/runtime/javascript/plus.png
+++ b/src/runtime/javascript/plus.png
--- a/src/runtime/javascript/style.css
+++ b/src/runtime/javascript/style.css
@@ -1,252 +0,0 @@
-body {
-	font-family:arial,helvetica,sans-serif;
-	font-size:12px;
-	background-color: white;
-}
-
-#wrapper {
-	width:740px;
-	height:520px;
-	margin:auto 50px;
-	border:1px solid gray;
-	padding:10px;
-
-}
-
-#absFrame {
- 	width:250px;
- 	height:250px;
-	padding:10px;
-	border:1px solid gray;
-   	float:left;
-   	white-space: nowrap;
-}
-
-#conFrame {
-	width:436px;
-	height:250px;
-	margin-left:10px;
-	padding:10px;
-	border:1px solid gray;
-   	float:left;
-   	white-space: normal;
-   	overflow:auto;
-}
-
-#actFrame {
-	width:250px;
-	height:170px;
-	margin-top:10px;
-	padding:10px;
-	border:1px solid gray;
-   	float:left;
-   	overflow:auto;
-}
-
-#refFrame {
-	width:436px;
-	height:170px;
-	margin-left:10px;
-	margin-top:10px;
-	padding:10px;
-	border:1px solid gray;
-   	float:left;
-   	overflow:auto;
-}
-
-#messageFrame {
-	width:506px;
-	height:15px;
-	margin-top:10px;
-	margin-right:10px;
-	padding:10px;
-	border:1px solid gray;
-   	float:left;
-   	overflow:hidden;
-}
-
-#clipboardFrame {
-	width:180px;
-	height:15px;
-	margin-top:10px;
-	padding:10px;
-	border:1px solid gray;
-   	float:left;
-   	overflow:auto;
-}
-
-#tree {
-	left: -10px;
-	top: -10px;	
-	margin: 0px;
-	padding: 10px;
-	overflow: auto;
-}
-
-ul {
-	position: relative;
-	list-style: none;
-	margin-left: 20px;
-	padding: 0px;
-}
-
-li {
-	position: relative;
-}
-
-img.tree-menu {
-	margin-right: 5px;
-}
-
-a.tree:link, a.tree:visited, a.tree:active {
-	color: black;
-	background-color: white;
-	text-decoration: none;
-	margin-right:10px;
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-a.tree:hover {
-	color: blue;
-	background-color: white;
-	text-decoration: underline;
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-	text-decoration: underline;
-	margin: 1px;
-	padding: 1px;
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-	
-p {
-	margin-bottom: 40px;
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-span.normal {
-	color: black;
-	background-color: white;
-	text-decoration: none;
-    padding-left: 2px;
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-span.edit {
-	color: black;
-	background-color: white;
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--- a/src/runtime/javascript/translator.css
+++ b/src/runtime/javascript/translator.css
@@ -1,54 +0,0 @@
-body {
-  color: black;
-  background-color: white;
-}
-
-dl {
-
-}
-
-dt {
-  margin: 0;
-  padding: 0;
-}
-
-dl dd {
-  margin: 0;
-  padding: 0;
-}
-
-dl.fromLang dt {
-  display: none;
-}
-
-dl.toLang {
-  border-width: 1px 0 0 0;
-  border-style: solid;
-  border-color: #c0c0c0;
-}
-
-dl.toLang dt {
-  color: #c0c0c0;
-  display: block;
-  float: left;
-  width: 5em;
-}
-
-
-dl.toLang dd {
-  border-width: 0 0 1px 0;
-  border-style: solid;
-  border-color: #c0c0c0;
-}
-
-
-ul {
-  margin: 0;
-  padding: 0;
-}
-
-li {
-  list-style-type: none;
-  margin: 0;
-  padding: 0;
-}
--- a/src/runtime/javascript/translator.html
+++ b/src/runtime/javascript/translator.html
@@ -1,48 +0,0 @@
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
-
-<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
-  <head>
-    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
-    <link rel="stylesheet" type="text/css" href="translator.css" />
-    <script type="text/javascript" src="gflib.js"></script>
-    <script type="text/javascript" src="grammar.js"></script>
-    <script type="text/javascript" src="translator.js"></script>
-    <script type="text/javascript">
-      /* CHANGE ME */
-     var grammar = Foods;
-
-     function updateTranslation () {
-        var input = document.getElementById('inputText').value;
-        var fromLang = document.getElementById('fromLang').value;
-        var toLang = document.getElementById('toLang').value;
-        var output = document.getElementById('output');
-        var translation = grammar.translate(input, fromLang, toLang);
-        removeChildren(output);
-        output.appendChild(formatTranslation(translation));
-      }
-
-      function populateLangs () {
-        var f = document.getElementById('fromLang');
-        var t = document.getElementById('toLang');
-        for (var c in grammar.concretes) {
-          addOption(f, c, c);
-          addOption(t, c, c);
-        }
-      }
-    </script>
-    <title>Web-based GF Translator</title>
-  </head>
-  <body onload="populateLangs(grammar, 'fromLang', 'toLang')">
-    <form id="translate">
-      <p>
-        <input type="text" name="inputText" id="inputText" value="this cheese is warm" size="50" />
-      </p>
-      <p>
-        From: <select name="fromLang" id="fromLang" onchange=""><option value="">Any language</option></select>
-        To: <select name="toLang" id="toLang"><option value="">All languages</option></select>
-        <input type="button" value="Translate" onclick="updateTranslation()" />
-      </p>
-    </form>
-    <div id="output"></div>
-  </body>
-</html>
--- a/src/runtime/javascript/translator.js
+++ b/src/runtime/javascript/translator.js
@@ -1,51 +0,0 @@
-function formatTranslation (outputs) {
-  var dl1 = document.createElement("dl");
-  dl1.className = "fromLang";
-  for (var fromLang in outputs) {
-    var ul = document.createElement("ul");
-    addDefinition(dl1, document.createTextNode(fromLang), ul);
-    for (var i in outputs[fromLang]) {
-      var dl2 = document.createElement("dl");
-      dl2.className = "toLang";
-      for (var toLang in outputs[fromLang][i]) {
-	addDefinition(dl2, document.createTextNode(toLang), document.createTextNode(outputs[fromLang][i][toLang]));
-      }
-      addItem(ul, dl2);
-    }
-  }
-
-  return dl1;
-}
-
-/* DOM utilities for specific tags */
-
-function addDefinition (dl, t, d) {
-    var dt = document.createElement("dt");
-    dt.appendChild(t);
-    dl.appendChild(dt);
-    var dd = document.createElement("dd");
-    dd.appendChild(d);
-    dl.appendChild(dd);
-}
-
-function addItem (ul, i) {
-    var li = document.createElement("li");
-    li.appendChild(i);
-    ul.appendChild(li);
-}
-
-function addOption (select, value, content) {
-  var option = document.createElement("option");
-  option.value = value;
-  option.appendChild(document.createTextNode(content));
-  select.appendChild(option);
-}
-
-/* General DOM utilities */
-
-/* Removes all the children of a node */
-function removeChildren(node) {
-  while (node.hasChildNodes()) {
-    node.removeChild(node.firstChild);
-  }
-}
Author	SHA1	Message	Date
John J. Camilleri	0c91c325be	Simple hello world working with node-addon-api (C++)	2019-07-22 11:31:19 +02:00
John J. Camilleri	ba93141317	Clear old contents of src/runtime/javascript, add README for upcoming bindings	2019-07-15 11:30:21 +02:00