gf 3.12 → 3.12.0
raw patch · 3 files changed
+2/−896 lines, 3 filesnew-uploader
Files
- gf.cabal +1/−1
- src/compiler/GF/Compile/PGFtoHaskell.hs +1/−1
- src/www/gf-web-api.html +0/−894
gf.cabal view
@@ -1,5 +1,5 @@ name: gf-version: 3.12+version: 3.12.0 cabal-version: 1.22 build-type: Simple
src/compiler/GF/Compile/PGFtoHaskell.hs view
@@ -51,7 +51,7 @@ derivingClause | dataExt = "deriving (Show,Data)" | otherwise = "deriving Show"- extraImports | gadt = ["import Control.Monad.Identity", "import Control.Monad", "import Data.Monoid"]+ extraImports | gadt = ["import Control.Monad.Identity", "import Data.Monoid"] | dataExt = ["import Data.Data"] | otherwise = [] pgfImports | pgf2 = ["import PGF2 hiding (Tree)", "", "showCId :: CId -> String", "showCId = id"]
− src/www/gf-web-api.html
@@ -1,894 +0,0 @@-<!DOCTYPE html>-<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">-<head>- <meta charset="utf-8" />- <meta name="viewport" content="width=device-width, initial-scale=1.0" />- <meta name="author" content="June 2016" />- <title>GF Web Service API</title>- <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">- <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.4.2/css/all.css" integrity="sha384-/rXc/GQVaYpyDdyxK+ecHPVYJSN9bmVFBvjA/9eOB+pb3F2w2N6fc5qB9Ew5yIns" crossorigin="anonymous">- <!--[if lt IE 9]>- <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>- <![endif]-->-</head>-<body class="bg-light">- <div class="bg-white pb-5">-<div class="container-fluid py-5" style="max-width:1200px">--<header id="title-block-header">-<a href="../.." title="Home">- <img src="../../doc/Logos/gf1.svg" height="200" class="float-md-right ml-3 mb-3 bg-white" alt="GF Logo">-</a>-<h1 class="title">GF Web Service API</h1>-<p class="author">June 2016</p>-</header>-<hr />-<ul>-<li><a href="#toc1">Introduction</a></li>-<li><a href="#toc2">Commands</a>-<ul>-<li><a href="#toc3">Grammar</a></li>-<li><a href="#toc4">Parsing</a></li>-<li><a href="#toc5">Linearization</a></li>-<li><a href="#toc6">Translation</a></li>-<li><a href="#toc7">Random Generation</a></li>-<li><a href="#toc8">Word Completion</a></li>-<li><a href="#toc9">Abstract Syntax Tree Visualization</a></li>-<li><a href="#toc10">Parse Tree Visualization</a></li>-<li><a href="#toc11">Word Alignment Diagrams</a></li>-<li><a href="#toc12">Word Dependency Diagrams</a></li>-<li><a href="#toc13">Undocumented commands</a></li>-</ul></li>-<li><a href="#toc14">Commands that use the C run-time system</a></li>-</ul>-<hr />-<div id="toc1">--</div>-<h2 id="introduction">Introduction</h2>-<p>The PGF API is available as Web Service through the built-in HTTP-server in the main GF executable. It is activated by starting GF with-the <code>-server</code> flag:</p>-<pre><code> $ gf -server- This is GF version 3.8.- Document root = /usr/share/gf-3.8/www- Starting HTTP server, open http://localhost:41296/ in your web browser.</code></pre>-<p>A compiled GF grammar (a <code>.pgf</code> file) can be used in web-applications by placing it somewhere under the document root. When there-is a request for access to a <code>.pgf</code> file, the GF web server-will load and cache the grammar and interpret any parameters included in-the URL (in the <em>url-encoded-query</em> format). The response you get-back is usually a data structure in <a-href="http://www.json.org/">JSON</a> format, but it could also be an-image or plain text.</p>-<p>For example, if <code>my_grammar.pgf</code> is a grammar placed-directly under the document root, then the grammar could be accessed-using this URL:</p>-<pre><code> http://localhost:41296/my_grammar.pgf</code></pre>-<p>The default when no parameters are included in the URL is a response-with some general information about the grammar, encoded in JSON format.-To perform specific command you have to tell what command you want to-perform. The command is encoded in the parameter <code>command</code>,-i.e.:</p>-<p><code>http://localhost/my_grammar.pgf?command=</code><em>cmd</em></p>-<p>where <em>cmd</em> is the name of the command. Most commands require-additional arguments, which are encoded as parameters as well. The-supported commands and their arguments are described below.</p>-<div id="toc2">--</div>-<h2 id="commands">Commands</h2>-<hr />-<div id="toc3">--</div>-<h3 id="grammar">Grammar</h3>-<p>This command provides some general information about the grammar.-This command is also executed if no `command` parameter is given.</p>-<h5 id="input">Input</h5>-<table class="table" data-border="1" data-cellpadding="4">-<thead>-<tr class="header">-<th style="text-align: center;">Parameter</th>-<th>Description</th>-<th>Default</th>-</tr>-</thead>-<tbody>-<tr class="odd">-<td style="text-align: center;">command</td>-<td>should be <code>grammar</code></td>-<td>-</td>-</tr>-</tbody>-</table>-<h5 id="output">Output</h5>-<p>A JSON object including the following fields:</p>-<table class="table" data-border="1" data-cellpadding="4">-<thead>-<tr class="header">-<th>Field</th>-<th>Description</th>-</tr>-</thead>-<tbody>-<tr class="odd">-<td><code>name</code></td>-<td>the name of the abstract syntax in the grammar</td>-</tr>-<tr class="even">-<td><code>userLanguage</code></td>-<td>the concrete language in the grammar which best matches the default-language set in the user's browser</td>-</tr>-<tr class="odd">-<td><code>categories</code></td>-<td>list of all abstract syntax categories defined in the grammar</td>-</tr>-<tr class="even">-<td><code>functions</code></td>-<td>list of all abstract syntax functions defined in the grammar</td>-</tr>-<tr class="odd">-<td><code>languages</code></td>-<td>list of concrete languages available in the grammar</td>-</tr>-</tbody>-</table>-<p>Every language is described with object having this two fields:</p>-<table class="table" data-border="1" data-cellpadding="4">-<thead>-<tr class="header">-<th>Field</th>-<th>Description</th>-</tr>-</thead>-<tbody>-<tr class="odd">-<td><code>name</code></td>-<td>the name of the concrete syntax for the language</td>-</tr>-<tr class="even">-<td><code>languageCode</code></td>-<td>the two-character language code according to the <a-href="http://www.loc.gov/standards/iso639-2/php/code_list.php">ISO-standard</a> i.e. <code>en</code> for English, <code>bg</code> for-Bulgarian, etc.</td>-</tr>-</tbody>-</table>-<p>The language codes need to be specified in the grammar with-<code>flags language=...</code>. The web service receives the code of-the language set in the browser and compares it with the codes defined-in the grammar. If there is a match then the service returns the-corresponding concrete syntax name. If no match is found then the first-language in alphabetical order is returned.</p>-<hr />-<div id="toc4">--</div>-<h3 id="parsing">Parsing</h3>-<p>This command parses a string and returns a list of abstract syntax-trees.</p>-<h4 id="input-1">Input</h4>-<table class="table" data-border="1" data-cellpadding="4">-<thead>-<tr class="header">-<th>Parameter</th>-<th>Description</th>-<th>Default</th>-</tr>-</thead>-<tbody>-<tr class="odd">-<td><code>command</code></td>-<td>should be <code>parse</code></td>-<td>-</td>-</tr>-<tr class="even">-<td><code>cat</code></td>-<td>the start category for the parser</td>-<td>the default start category for the grammar</td>-</tr>-<tr class="odd">-<td><code>input</code></td>-<td>the string to be parsed</td>-<td>empty string</td>-</tr>-<tr class="even">-<td><code>from</code></td>-<td>the name of the concrete syntax to use for parsing</td>-<td>all languages in the grammar will be tried</td>-</tr>-<tr class="odd">-<td><code>limit</code></td>-<td>limit how many trees are returned (gf>3.3.3)</td>-<td>no limit is applied</td>-</tr>-</tbody>-</table>-<h4 id="output-1">Output</h4>-<p>List of objects where every object represents the analyzes for every-input language. The objects have three fields:</p>-<table class="table" data-border="1" data-cellpadding="4">-<thead>-<tr class="header">-<th>Field</th>-<th>Description</th>-</tr>-</thead>-<tbody>-<tr class="odd">-<td><code>from</code></td>-<td>the concrete language used in the parsing</td>-</tr>-<tr class="even">-<td><code>brackets</code></td>-<td>the bracketed string from the parser</td>-</tr>-<tr class="odd">-<td><code>trees</code></td>-<td>list of abstract syntax trees</td>-</tr>-<tr class="even">-<td><code>typeErrors</code></td>-<td>list of errors from the type checker</td>-</tr>-</tbody>-</table>-<p>The abstract syntax trees are sent as plain strings. The type errors-are objects with two fields:</p>-<table class="table" data-border="1" data-cellpadding="4">-<thead>-<tr class="header">-<th>Field</th>-<th>Description</th>-</tr>-</thead>-<tbody>-<tr class="odd">-<td><code>fid</code></td>-<td>forest id which points to a bracket in the bracketed string where-the error occurs</td>-</tr>-<tr class="even">-<td><code>msg</code></td>-<td>the text message for the error</td>-</tr>-</tbody>-</table>-<p>The current implementation either returns a list of abstract syntax-trees or a list of type errors. By checking whether the field trees is-not null we check whether the type checking was successful.</p>-<hr />-<div id="toc5">--</div>-<h3 id="linearization">Linearization</h3>-<p>The command takes an abstract syntax tree and produces string in the-specified language(s).</p>-<h4 id="input-2">Input</h4>-<table class="table" data-border="1" data-cellpadding="4">-<thead>-<tr class="header">-<th>Parameter</th>-<th>Description</th>-<th>Default</th>-</tr>-</thead>-<tbody>-<tr class="odd">-<td><code>command</code></td>-<td>should be <code>linearize</code></td>-<td>-</td>-</tr>-<tr class="even">-<td><code>tree</code></td>-<td>the abstract syntax tree to linearize</td>-<td>-</td>-</tr>-<tr class="odd">-<td><code>to</code></td>-<td>the name of the concrete syntax to use in the linearization</td>-<td>linearizations for all languages in the grammar will be-generated</td>-</tr>-</tbody>-</table>-<h4 id="output-2">Output</h4>-<table class="table" data-border="1" data-cellpadding="4">-<thead>-<tr class="header">-<th>Field</th>-<th>Description</th>-</tr>-</thead>-<tbody>-<tr class="odd">-<td><code>to</code></td>-<td>the concrete language used for the linearization</td>-</tr>-<tr class="even">-<td><code>tree</code></td>-<td>the output text</td>-</tr>-</tbody>-</table>-<hr />-<div id="toc6">--</div>-<h3 id="translation">Translation</h3>-<p>The translation is a two step process. First the input sentence is-parsed with the source language and after that the output sentence(s)-are produced via linearization with the target language(s). For that-reason the input and the output for this command is the union of the-input/output of the commands for parsing and the one for-linearization.</p>-<h4 id="input-3">Input</h4>-<table class="table" data-border="1" data-cellpadding="4">-<thead>-<tr class="header">-<th>Parameter</th>-<th>Description</th>-<th>Default</th>-</tr>-</thead>-<tbody>-<tr class="odd">-<td><code>command</code></td>-<td>should be <code>translate</code></td>-<td>-</td>-</tr>-<tr class="even">-<td><code>cat</code></td>-<td>the start category for the parser</td>-<td>the default start category for the grammar</td>-</tr>-<tr class="odd">-<td><code>input</code></td>-<td>the input string to be translated</td>-<td>empty string</td>-</tr>-<tr class="even">-<td><code>from</code></td>-<td>the source language</td>-<td>all languages in the grammar will be tried</td>-</tr>-<tr class="odd">-<td><code>to</code></td>-<td>the target language</td>-<td>linearizations for all languages in the grammar will be-generated</td>-</tr>-<tr class="even">-<td><code>limit</code></td>-<td>limit how many parse trees are used (gf>3.3.3)</td>-<td>no limit is applied</td>-</tr>-</tbody>-</table>-<h4 id="output-3">Output</h4>-<p>The output is a list of objects with these fields:</p>-<table class="table" data-border="1" data-cellpadding="4">-<thead>-<tr class="header">-<th>Field</th>-<th>Description</th>-</tr>-</thead>-<tbody>-<tr class="odd">-<td><code>from</code></td>-<td>the concrete language used in the parsing</td>-</tr>-<tr class="even">-<td><code>brackets</code></td>-<td>the bracketed string from the parser</td>-</tr>-<tr class="odd">-<td><code>translations</code></td>-<td>list of translations</td>-</tr>-<tr class="even">-<td><code>typeErrors</code></td>-<td>list of errors from the type checker</td>-</tr>-</tbody>-</table>-<p>Every translation is an object with two fields:</p>-<table class="table" data-border="1" data-cellpadding="4">-<tbody>-<tr class="odd">-<td><code>tree</code></td>-<td>abstract syntax tree</td>-</tr>-<tr class="even">-<td><code>linearizations</code></td>-<td>list of linearizations</td>-</tr>-</tbody>-</table>-<p>Every linearization is an object with two fields:</p>-<table class="table" data-border="1" data-cellpadding="4">-<tbody>-<tr class="odd">-<td>Field</td>-<td>Description</td>-</tr>-<tr class="even">-<td><code>to</code></td>-<td>the concrete language used in the linearization</td>-</tr>-<tr class="odd">-<td><code>text</code></td>-<td>the sentence produced</td>-</tr>-</tbody>-</table>-<p>The type errors are objects with two fields:</p>-<table class="table" data-border="1" data-cellpadding="4">-<thead>-<tr class="header">-<th>Field</th>-<th>Description</th>-</tr>-</thead>-<tbody>-<tr class="odd">-<td><code>fid</code></td>-<td>forest id which points to a bracket in the bracketed string where-the error occurs</td>-</tr>-<tr class="even">-<td><code>msg</code></td>-<td>the text message for the error</td>-</tr>-</tbody>-</table>-<p>The current implementation either returns a list of translations or a-list of type errors. By checking whether the field translations is not-null we check whether the type checking was successful.</p>-<hr />-<div id="toc7">--</div>-<h3 id="random-generation">Random Generation</h3>-<p>This command generates random abstract syntax tree where the-top-level function will be of the specified category. The categories for-the sub-trees will be determined by the type signatures of the parent-function.</p>-<h4 id="input-4">Input</h4>-<table class="table" data-border="1" data-cellpadding="4">-<thead>-<tr class="header">-<th>Parameter</th>-<th>Description</th>-<th>Default</th>-</tr>-</thead>-<tbody>-<tr class="odd">-<td><code>command</code></td>-<td>should be <code>random</code></td>-<td>-</td>-</tr>-<tr class="even">-<td><code>cat</code></td>-<td>the start category for the generator</td>-<td>the default start category for the grammar</td>-</tr>-<tr class="odd">-<td><code>limit</code></td>-<td>maximal number of trees generated</td>-<td>1</td>-</tr>-</tbody>-</table>-<h4 id="output-4">Output</h4>-<p>The output is a list of objects with only one field:</p>-<table class="table" data-border="1" data-cellpadding="4">-<thead>-<tr class="header">-<th>Field</th>-<th>Description</th>-</tr>-</thead>-<tbody>-<tr class="odd">-<td><code>tree</code></td>-<td>the generated abstract syntax tree</td>-</tr>-</tbody>-</table>-<p>The length of the list is limited by the limit parameter.</p>-<hr />-<div id="toc8">--</div>-<h3 id="word-completion">Word Completion</h3>-<p>Word completion is a special case of parsing. If there is an-incomplete sentence then it is first parsed and after that the state of-the parse chart is used to predict the set of words that could follow in-a grammatically correct sentence.</p>-<h4 id="input-5">Input</h4>-<table class="table" data-border="1" data-cellpadding="4">-<thead>-<tr class="header">-<th>Parameter</th>-<th>Description</th>-<th>Default</th>-</tr>-</thead>-<tbody>-<tr class="odd">-<td><code>command</code></td>-<td>should be <code>complete</code></td>-<td>-</td>-</tr>-<tr class="even">-<td><code>cat</code></td>-<td>the start category for the parser</td>-<td>the default start category for the grammar</td>-</tr>-<tr class="odd">-<td><code>input</code></td>-<td>the string to the left of the cursor that is already typed</td>-<td>empty string</td>-</tr>-<tr class="even">-<td><code>from</code></td>-<td>the name of the concrete syntax to use for parsing</td>-<td>all languages in the grammar will be tried</td>-</tr>-<tr class="odd">-<td><code>limit</code></td>-<td>maximal number of trees generated</td>-<td>all words will be returned</td>-</tr>-</tbody>-</table>-<h4 id="output-5">Output</h4>-<p>The output is a list of objects with two fields which describe the-completions.</p>-<table class="table" data-border="1" data-cellpadding="4">-<thead>-<tr class="header">-<th>Field</th>-<th>Description</th>-</tr>-</thead>-<tbody>-<tr class="odd">-<td><code>from</code></td>-<td>the concrete syntax for this word</td>-</tr>-<tr class="even">-<td><code>text</code></td>-<td>the word itself</td>-</tr>-</tbody>-</table>-<hr />-<div id="toc9">--</div>-<h3 id="abstract-syntax-tree-visualization">Abstract Syntax Tree-Visualization</h3>-<p>This command renders an abstract syntax tree into an image. Several-image formats are supported.</p>-<h4 id="input-6">Input</h4>-<table class="table" data-border="1" data-cellpadding="4">-<thead>-<tr class="header">-<th>Parameter</th>-<th>Description</th>-<th>Default</th>-</tr>-</thead>-<tbody>-<tr class="odd">-<td><code>command</code></td>-<td>should be <code>abstrtree</code></td>-<td>-</td>-</tr>-<tr class="even">-<td><code>tree</code></td>-<td>the abstract syntax tree to render</td>-<td>-</td>-</tr>-<tr class="odd">-<td><code>format</code></td>-<td>output format (gf>3.3.3)</td>-<td><code>png</code></td>-</tr>-</tbody>-</table>-<h4 id="output-6">Output</h4>-<p>By default, the output is an image in PNG format. The Content-Type is-set to <code>image/png</code>, so the easiest way to visualize the-generated image is to add HTML element <code><img/></code> which-points to URL for the visualization command i.e.:</p>-<pre><code> <img src="http://localhost/my_grammar.pgf?command=abstrtree&tree=..."/></code></pre>-<p>The <code>format</code> parameter can also be <code>gif</code>,-<code>svg</code> or <code>gv</code>, for GIF (<code>image/gif</code>),-SVG (<code>image/svg+xml</code>) or graphviz (<code>text/plain</code>)-format, respectively.</p>-<hr />-<div id="toc10">--</div>-<h3 id="parse-tree-visualization">Parse Tree Visualization</h3>-<p>This command renders the parse tree that corresponds to a specific-abstract syntax tree. The generated image is in PNG format.</p>-<h4 id="input-7">Input</h4>-<table class="table" data-border="1" data-cellpadding="4">-<thead>-<tr class="header">-<th>Parameter</th>-<th>Description</th>-<th>Default</th>-</tr>-</thead>-<tbody>-<tr class="odd">-<td><code>command</code></td>-<td>should be <code>parsetree</code></td>-<td>-</td>-</tr>-<tr class="even">-<td><code>tree</code></td>-<td>the abstract syntax tree to render</td>-<td>-</td>-</tr>-<tr class="odd">-<td><code>from</code></td>-<td>the name of the concrete syntax to use in the rendering</td>-<td>-</td>-</tr>-<tr class="even">-<td><code>format</code></td>-<td>output format (gf>3.3.3)</td>-<td><code>png</code></td>-</tr>-<tr class="odd">-<td><em>options</em></td>-<td>additional rendering options (gf>3.4)</td>-<td>-</td>-</tr>-</tbody>-</table>-<p>The additioal rendering options are: <code>noleaves</code>,-<code>nofun</code> and <code>nocat</code> (booleans, false by default);-<code>nodefont</code>, <code>leaffont</code>, <code>nodecolor</code>,-<code>leafcolor</code>, <code>nodeedgestyle</code> and-<code>leafedgestyle</code> (strings, have builtin defaults).</p>-<h4 id="output-7">Output</h4>-<p>By default, the output is an image in PNG format. The Content-Type is-set to <code>image/png</code>, so the easiest way to visualize the-generated image is to add HTML element <code><img/></code> which-points to URL for the visualization command i.e.:</p>-<pre><code> <img src="http://localhost/my_grammar.pgf?command=parsetree&tree=..."/></code></pre>-<p>The <code>format</code> parameter can also be <code>gif</code>,-<code>svg</code> or <code>gv</code>, for GIF (<code>image/gif</code>),-SVG (<code>image/svg+xml</code>) or graphviz (<code>text/plain</code>)-format, respectively.</p>-<hr />-<div id="toc11">--</div>-<h3 id="word-alignment-diagrams">Word Alignment Diagrams</h3>-<p>This command renders the word alignment diagram for some sentence and-all languages in the grammar. The sentence is generated from a given-abstract syntax tree.</p>-<h4 id="input-8">Input</h4>-<table class="table" data-border="1" data-cellpadding="4">-<thead>-<tr class="header">-<th>Parameter</th>-<th>Description</th>-<th>Default</th>-</tr>-</thead>-<tbody>-<tr class="odd">-<td><code>command</code></td>-<td>should be <code>alignment</code></td>-<td>-</td>-</tr>-<tr class="even">-<td><code>tree</code></td>-<td>the abstract syntax tree to render</td>-<td>-</td>-</tr>-<tr class="odd">-<td><code>format</code></td>-<td>output format (gf>3.3.3)</td>-<td><code>png</code></td>-</tr>-<tr class="even">-<td><code>to</code></td>-<td>list of languages to include in the diagram (gf>3.4)</td>-<td>all languages supported by the grammar</td>-</tr>-</tbody>-</table>-<h4 id="output-8">Output</h4>-<p>By default, the output is an image in PNG format. The Content-Ttype-is set to <code>image/png</code>, so the easiest way to visualize the-generated image is to add HTML element <code><img/></code> which-points to URL for the visualization command i.e.:</p>-<pre><code> <img src="http://localhost/my_grammar.pgf?command=alignment&tree=..."/></code></pre>-<p>The <code>format</code> parameter can also be <code>gif</code>,-<code>svg</code> or <code>gv</code>, for GIF (<code>image/gif</code>),-SVG (<code>image/svg+xml</code>) or graphviz (<code>text/plain</code>)-format, respectively.</p>-<hr />-<div id="toc12">--</div>-<h3 id="word-dependency-diagrams">Word Dependency Diagrams</h3>-<p>This command (available in GF>=3.8) outputs word dependency-diagrams in various format.</p>-<h4 id="input-9">Input</h4>-<table class="table" data-border="1" data-cellpadding="4">-<thead>-<tr class="header">-<th>Parameter</th>-<th>Description</th>-<th>Default</th>-</tr>-</thead>-<tbody>-<tr class="odd">-<td><code>command</code></td>-<td>should be <code>deptree</code></td>-<td>-</td>-</tr>-<tr class="even">-<td><code>tree</code></td>-<td>the abstract syntax tree to render</td>-<td>-</td>-</tr>-<tr class="odd">-<td><code>format</code></td>-<td>output format, see below</td>-<td><code>dot</code></td>-</tr>-<tr class="even">-<td><code>to</code></td>-<td>name of the concrete syntax to use in the diagram</td>-<td>-</td>-</tr>-</tbody>-</table>-<p>The <code>format</code> is one of the following:</p>-<ul>-<li><code>png</code>, <code>gif</code>, <code>gv</code>: rendered with-graphviz,</li>-<li><code>svg</code>, <code>latex</code>: <a-href="http://universaldependencies.org/">universal dependency</a>-diagrams, in SVG format for use in web pages or as LaTeX Picture code-for use in LaTeX documents,</li>-<li><code>conll</code>, <code>malt_tab</code> and-<code>malt_input</code>: text formats</li>-</ul>-<hr />-<div id="toc13">--</div>-<h3 id="undocumented-commands">Undocumented commands</h3>-<p>There a few additional commands that lack proper documentation:</p>-<ul>-<li><code>abstrjson</code>, <code>browse</code>, <code>download</code>,-<code>generate</code>, <code>linearizeAll</code>,-<code>linearizeTable</code>, <code>lookupmorpho</code>,-<code>translategroup</code>.</li>-</ul>-<p>See the source code for details.</p>-<hr />-<div id="toc14">--</div>-<h2 id="commands-that-use-the-c-run-time-system">Commands that use the C-run-time system</h2>-<p>GF includes two implementations of the PGF API: the traditional-Haskell implementation and the newer C implementation. The commands-documented above all use the Haskell implementation. The following-commands use the C implementation instead:</p>-<ul>-<li><code>c-parse</code>, <code>c-linearize</code>,-<code>c-linearizeAll</code>, <code>c-translate</code>,-<code>c-lookupmorpho</code>, <code>c-flush</code>,-<code>c-grammar</code>, <code>c-abstrtree</code>,-<code>c-parsetree</code>, <code>c-wordforword</code>.</li>-</ul>-<p>They implement the same functionality as the corresponding commands-without the <code>c-</code> prefix, although there are some restrictions-in what parameters they support, and some differences in the JSON data-structures they output.</p>-<p>When using these commands, the grammar will be loaded and cached by-the C run-time system. 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