Language server and client (#30)

---------

Signed-off-by: Ben Sherman <[email protected]>

.gitignore

@@ -1,3 +1,6 @@
-node_modules
-.vsix
+.gradle
 .vscode
+.vsix
+build/
+language-server
+node_modules

.vscode/launch.json

@@ -1,13 +1,13 @@
 // A launch configuration that launches the extension inside a new window
 {
-    "version": "0.1.0",
+    "version": "1.0.0",
     "configurations": [
         {
             "name": "Extension",
             "type": "extensionHost",
             "request": "launch",
             "runtimeExecutable": "${execPath}",
-            "args": ["--extensionDevelopmentPath=${workspaceRoot}" ]
+            "args": ["--extensionDevelopmentPath=${workspaceRoot}/build" ]
         }
     ]
 }

README.md

@@ -1,38 +1,45 @@
-# Nextflow language extension for Visual Studio Code
+# Nextflow extension for Visual Studio Code
 
-This extension adds the [Nextflow](https://www.nextflow.io/) language support 
-to Visual Studio Code editor. 
+This extension provides [Nextflow](https://www.nextflow.io/) language support for Visual Studio Code. 
 
 ## Features
 
 It provides syntax highlighting for the Nextflow language and quick shortcuts for common code snippets.
 
 ![Nextflow syntax highlighting](images/vscode-nextflow.png)
 
-
 ## Local development 
 
-Clone the project repository in your computer: 
+Clone the project repository: 
+
+```bash
+git clone https://github.com/nextflow-io/vscode-language-nextflow
+```
+
+Change to the project directory and launch VS Code: 
 
-    git clone https://github.com/nextflow-io/vscode-language-nextflow
+```bash
+cd vscode-language-nextflow
+code .
+```
 
-Change in project directory and launch VS code: 
+Build the extension:
 
-    cd vscode-language-nextflow    
-    code . 
+```bash
+./gradlew build
+```
 
-Hack the grammar and the snippet definition files. To quickly test changes use the `F5` key.     
+You can press `F5` to launch a new VS Code window with the extension loaded. Alternatively, you can execute "Extension: Install from VSIX..." from the command pallete to install the extension into your environment (reload required).
 
 ## Publishing 
 
-Update the extension version number in the `package.json` file,
-then use the command: 
+Update the extension version number in the `package.json` file, then use the command: 
 
-```
+```bash
 vsce publish
 ```
 
-Read more at [this link](https://code.visualstudio.com/docs/extensions/publish-extension). 
+Refer to the VS Code [documentation](https://code.visualstudio.com/docs/extensions/publish-extension) for more information.
 
 ## Contribution 
 
@@ -45,5 +52,4 @@ Contributions are greatly appreciated. Please fork [this repository](https://git
 * https://code.visualstudio.com/docs/extensionAPI/extension-manifest
 * https://marketplace.visualstudio.com/items?itemName=nextflow.nextflow
 
-
-**Enjoy!**
+**Enjoy!**

build.gradle

@@ -0,0 +1,52 @@
+plugins {
+  id "com.moowork.node" version "1.3.1"
+}
+
+task copyJar(type: Copy) {
+  dependsOn ':language-server:build'
+  from "$projectDir/language-server/build/libs/language-server-all.jar"
+  into "$buildDir/bin"
+}
+
+task copyLocal(type: Copy) {
+  from "$projectDir"
+  include "images/**"
+  include "snippets/**"
+  include "syntaxes/**"
+  include "LICENSE.md"
+  include "language-configuration.json"
+  include "package.json"
+  into "$buildDir"
+}
+
+task webpack(type: Exec, dependsOn: [npmInstall]) {
+  inputs.file("package.json")
+  inputs.file("package-lock.json")
+  inputs.file("tsconfig.json")
+  inputs.file("webpack.config.js")
+  inputs.dir("src")
+  outputs.file("$buildDir/extension.js")
+  outputs.file("$buildDir/extension.js.map")
+
+  def webpack = "$projectDir/node_modules/.bin/webpack"
+  if (System.getProperty("os.name").toLowerCase(Locale.ROOT).contains("windows")) {
+    webpack += ".cmd"
+  }
+  commandLine "$webpack", "--mode", "development"
+}
+
+task vsce(type: Exec, dependsOn: [copyJar, copyLocal, webpack]) {
+  inputs.dir("$buildDir")
+  outputs.file("$buildDir/nextflow-0.4.0.vsix")
+
+  def vsce = "$projectDir/node_modules/.bin/vsce"
+  if (System.getProperty("os.name").toLowerCase(Locale.ROOT).contains("windows")) {
+    vsce += ".cmd"
+  }
+  workingDir "$buildDir"
+  commandLine "$vsce", "package"
+}
+
+task build {
+  dependsOn vsce
+}

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

@@ -0,0 +1,183 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"