From 4496b1ab302d5be8b337e9048dcdf6ba6ddda182 Mon Sep 17 00:00:00 2001
From: konsoletyper <konsoletyper@gmail.com>
Date: Sun, 1 Feb 2015 23:08:42 +0400
Subject: [PATCH] Add sample application to show how CPS generator works

---
 teavm-samples/pom.xml                         |  1 +
 teavm-samples/teavm-samples-async/.gitignore  |  4 +
 teavm-samples/teavm-samples-async/pom.xml     | 93 +++++++++++++++++++
 .../org/teavm/samples/async/AsyncProgram.java | 59 ++++++++++++
 .../src/main/webapp/WEB-INF/web.xml           | 21 +++++
 .../src/main/webapp/index.html                | 27 ++++++
 6 files changed, 205 insertions(+)
 create mode 100644 teavm-samples/teavm-samples-async/.gitignore
 create mode 100644 teavm-samples/teavm-samples-async/pom.xml
 create mode 100644 teavm-samples/teavm-samples-async/src/main/java/org/teavm/samples/async/AsyncProgram.java
 create mode 100644 teavm-samples/teavm-samples-async/src/main/webapp/WEB-INF/web.xml
 create mode 100644 teavm-samples/teavm-samples-async/src/main/webapp/index.html

diff --git a/teavm-samples/pom.xml b/teavm-samples/pom.xml
index bcc56b08c..6513d89c4 100644
--- a/teavm-samples/pom.xml
+++ b/teavm-samples/pom.xml
@@ -34,5 +34,6 @@
     <module>teavm-samples-benchmark</module>
     <module>teavm-samples-storage</module>
     <module>teavm-samples-video</module>
+    <module>teavm-samples-async</module>
   </modules>
 </project>
\ No newline at end of file
diff --git a/teavm-samples/teavm-samples-async/.gitignore b/teavm-samples/teavm-samples-async/.gitignore
new file mode 100644
index 000000000..c708c363d
--- /dev/null
+++ b/teavm-samples/teavm-samples-async/.gitignore
@@ -0,0 +1,4 @@
+/target
+/.settings
+/.classpath
+/.project
diff --git a/teavm-samples/teavm-samples-async/pom.xml b/teavm-samples/teavm-samples-async/pom.xml
new file mode 100644
index 000000000..b04494c1b
--- /dev/null
+++ b/teavm-samples/teavm-samples-async/pom.xml
@@ -0,0 +1,93 @@
+<!--
+    Copyright 2014 Alexey Andreev.
+
+    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
+
+         http://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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.teavm</groupId>
+    <artifactId>teavm-samples</artifactId>
+    <version>0.3.0-SNAPSHOT</version>
+  </parent>
+  <artifactId>teavm-samples-async</artifactId>
+
+  <packaging>war</packaging>
+
+  <name>TeaVM CPS demo</name>
+  <description>TeaVM application that demonstrates continuation-passing style generator</description>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.teavm</groupId>
+      <artifactId>teavm-classlib</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <artifactId>maven-war-plugin</artifactId>
+        <version>2.4</version>
+        <configuration>
+          <webResources>
+            <resource>
+              <directory>${project.build.directory}/generated/js</directory>
+            </resource>
+          </webResources>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.teavm</groupId>
+        <artifactId>teavm-maven-plugin</artifactId>
+        <version>${project.version}</version>
+        <executions>
+          <execution>
+            <id>web-client</id>
+            <phase>prepare-package</phase>
+            <goals>
+              <goal>build-javascript</goal>
+            </goals>
+            <configuration>
+              <targetDirectory>${project.build.directory}/generated/js/teavm</targetDirectory>
+              <mainClass>org.teavm.samples.async.AsyncProgram</mainClass>
+              <runtime>SEPARATE</runtime>
+              <minifying>false</minifying>
+              <debugInformationGenerated>true</debugInformationGenerated>
+              <sourceMapsGenerated>true</sourceMapsGenerated>
+              <sourceFilesCopied>true</sourceFilesCopied>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-checkstyle-plugin</artifactId>
+        <configuration>
+          <configLocation>../../checkstyle.xml</configLocation>
+          <propertyExpansion>config_loc=${basedir}/../..</propertyExpansion>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-source-plugin</artifactId>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-javadoc-plugin</artifactId>
+      </plugin>
+    </plugins>
+  </build>
+</project>
\ No newline at end of file
diff --git a/teavm-samples/teavm-samples-async/src/main/java/org/teavm/samples/async/AsyncProgram.java b/teavm-samples/teavm-samples-async/src/main/java/org/teavm/samples/async/AsyncProgram.java
new file mode 100644
index 000000000..fca37cc4a
--- /dev/null
+++ b/teavm-samples/teavm-samples-async/src/main/java/org/teavm/samples/async/AsyncProgram.java
@@ -0,0 +1,59 @@
+/*
+ *  Copyright 2015 Alexey Andreev.
+ *
+ *  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
+ *
+ *       http://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.
+ */
+package org.teavm.samples.async;
+
+/**
+ *
+ * @author Alexey Andreev <konsoletyper@gmail.com>
+ */
+public final class AsyncProgram {
+    private AsyncProgram() {
+    }
+
+    public static void main(String[] args) throws InterruptedException {
+        withoutAsync();
+        System.out.println();
+        withAsync();
+    }
+
+    private static void withoutAsync() {
+        System.out.println("Start sync");
+        for (int i = 0; i < 20; ++i) {
+            for (int j = 0; j <= i; ++j) {
+                System.out.print(j);
+                System.out.print(' ');
+            }
+            System.out.println();
+        }
+        System.out.println("Complete sync");
+    }
+
+    private static void withAsync() throws InterruptedException {
+        System.out.println("Start async");
+        for (int i = 0; i < 20; ++i) {
+            for (int j = 0; j <= i; ++j) {
+                System.out.print(j);
+                System.out.print(' ');
+            }
+            System.out.println();
+            if (i % 3 == 0) {
+                System.out.println("Suspend for a second");
+                Thread.sleep(1000);
+            }
+        }
+        System.out.println("Complete async");
+    }
+}
diff --git a/teavm-samples/teavm-samples-async/src/main/webapp/WEB-INF/web.xml b/teavm-samples/teavm-samples-async/src/main/webapp/WEB-INF/web.xml
new file mode 100644
index 000000000..6471cd77a
--- /dev/null
+++ b/teavm-samples/teavm-samples-async/src/main/webapp/WEB-INF/web.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    Copyright 2015 Alexey Andreev.
+
+    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
+
+         http://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.
+-->
+<web-app xmlns="http://java.sun.com/xml/ns/javaee"
+      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+      xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
+      version="3.0">
+</web-app>
\ No newline at end of file
diff --git a/teavm-samples/teavm-samples-async/src/main/webapp/index.html b/teavm-samples/teavm-samples-async/src/main/webapp/index.html
new file mode 100644
index 000000000..96817c4a0
--- /dev/null
+++ b/teavm-samples/teavm-samples-async/src/main/webapp/index.html
@@ -0,0 +1,27 @@
+<!--
+    Copyright 2015 Alexey Andreev.
+
+    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
+
+         http://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.
+-->
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Continuation-passing style demo</title>
+    <meta http-equiv="Content-Type" content="text/html;charset=utf-8">
+    <script type="text/javascript" charset="utf-8" src="teavm/runtime.js"></script>
+    <script type="text/javascript" charset="utf-8" src="teavm/classes.js"></script>
+  </head>
+  <body onload="main()">
+    <p>Please, open developer's console to view program's output</p>
+  </body>
+</html>
\ No newline at end of file