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MaximeCheramyMaximeCheramy
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Merge pull request #1 from CodinGame/init
Java compiler implementation
2 parents f7dc825 + 22e3f9f commit 67efa47

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‎.gitignore

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# Created by .ignore support plugin (hsz.mobi)
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### macOS template
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*.DS_Store
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.AppleDouble
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.LSOverride
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# Icon must end with two \r
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Icon
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# Thumbnails
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._*
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# Files that might appear in the root of a volume
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.DocumentRevisions-V100
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.fseventsd
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.Spotlight-V100
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.TemporaryItems
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.Trashes
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.VolumeIcon.icns
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.com.apple.timemachine.donotpresent
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# Directories potentially created on remote AFP share
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.AppleDB
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.AppleDesktop
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Network Trash Folder
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Temporary Items
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.apdisk
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### JetBrains template
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# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
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# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
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# User-specific stuff:
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.idea/
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# Gradle:
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.idea/gradle.xml
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.idea/libraries
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# Mongo Explorer plugin:
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.idea/mongoSettings.xml
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## File-based project format:
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*.iws
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*.iml
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## Plugin-specific files:
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# IntelliJ
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/out/
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# mpeltonen/sbt-idea plugin
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.idea_modules/
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# JIRA plugin
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atlassian-ide-plugin.xml
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# Crashlytics plugin (for Android Studio and IntelliJ)
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com_crashlytics_export_strings.xml
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crashlytics.properties
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crashlytics-build.properties
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fabric.properties
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### Maven template
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target/
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pom.xml.tag
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pom.xml.releaseBackup
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pom.xml.versionsBackup
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pom.xml.next
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release.properties
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dependency-reduced-pom.xml
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buildNumber.properties
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.mvn/timing.properties
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# Exclude maven wrapper
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!/.mvn/wrapper/maven-wrapper.jar
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### Java template
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# BlueJ files
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*.ctxt
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# Mobile Tools for Java (J2ME)
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.mtj.tmp/
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# Package Files #
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*.war
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*.ear
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# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
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hs_err_pid*
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### Eclipse template
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.metadata
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bin/
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tmp/
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*.tmp
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*.bak
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*.swp
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*~.nib
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local.properties
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.settings/
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.loadpath
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.recommenders
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# Eclipse Core
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.project
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# External tool builders
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.externalToolBuilders/
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# Locally stored "Eclipse launch configurations"
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*.launch
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# PyDev specific (Python IDE for Eclipse)
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*.pydevproject
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# CDT-specific (C/C++ Development Tooling)
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.cproject
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# JDT-specific (Eclipse Java Development Tools)
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.classpath
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# Java annotation processor (APT)
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.factorypath
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# PDT-specific (PHP Development Tools)
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.buildpath
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# sbteclipse plugin
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.target
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# Tern plugin
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.tern-project
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# TeXlipse plugin
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.texlipse
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# STS (Spring Tool Suite)
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.springBeans
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# Code Recommenders
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.recommenders/
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‎Dockerfile

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FROM openjdk:8-jdk
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# Add files.
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ADD target/java-compiler-0.0.1-SNAPSHOT-jar-with-dependencies.jar /usr/src/codingame/java-compiler/java-compiler.jar
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ADD src/main/resources/cgjavac /usr/src/codingame/java-compiler/cgjavac
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ENTRYPOINT ["/usr/src/codingame/java-compiler/cgjavac"]

‎README.md

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# java-compiler
2-
A java compiler which generates the expect json as result
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A java compiler which generates the expected json as result.

‎hooks/pre_build

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#!/bin/bash
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echo "=> Building the java compiler jar"
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docker run \
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-v $(pwd):/usr/src/java-compiler \
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-w /usr/src/java-compiler \
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maven:3 \
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mvn clean package

‎pom.xml

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.codingame.codemachine</groupId>
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<artifactId>java-compiler</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<dependency>
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<groupId>com.google.code.gson</groupId>
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<artifactId>gson</artifactId>
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<version>2.8.0</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.5.1</version>
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<configuration>
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<source>1.8</source>
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<target>1.8</target>
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</configuration>
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</plugin>
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<plugin>
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<artifactId>maven-assembly-plugin</artifactId>
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<configuration>
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<archive>
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<manifest>
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<mainClass>com.codingame.codemachine.compiler.java.CodinGameJavaCompiler</mainClass>
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</manifest>
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</archive>
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<descriptorRefs>
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<descriptorRef>jar-with-dependencies</descriptorRef>
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</descriptorRefs>
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</configuration>
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<executions>
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<execution>
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<id>make-assembly</id>
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<phase>package</phase>
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<goals>
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<goal>single</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>

‎src/main/java/com/codingame/codemachine/compiler/java/CodinGameJavaCompiler.java

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package com.codingame.codemachine.compiler.java;
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import com.codingame.codemachine.compiler.java.core.CompilationLogDto;
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import com.codingame.codemachine.compiler.java.core.CompilationLogKind;
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import com.codingame.codemachine.compiler.java.core.CompilationResult;
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import com.google.gson.Gson;
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import javax.tools.Diagnostic;
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import javax.tools.Diagnostic.Kind;
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import javax.tools.DiagnosticCollector;
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import javax.tools.JavaCompiler;
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import javax.tools.JavaFileObject;
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import javax.tools.StandardJavaFileManager;
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import javax.tools.ToolProvider;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.io.PrintStream;
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import java.util.ArrayList;
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import java.util.List;
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import static java.util.Collections.singletonList;
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public class CodinGameJavaCompiler {
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private static class NullOutputStream extends OutputStream {
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@Override
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public void write(int b) throws IOException {
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}
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}
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public static void main(String... args) throws IOException {
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PrintStream realOut = System.out;
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System.setOut(new PrintStream(new NullOutputStream(), true));
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System.setErr(new PrintStream(new NullOutputStream(), true));
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JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
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DiagnosticCollector<JavaFileObject> diagnosticsCollector = new DiagnosticCollector<>();
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StandardJavaFileManager fileManager =
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compiler.getStandardFileManager(diagnosticsCollector, null, null);
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List<String> files = new ArrayList<>();
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List<String> options = new ArrayList<>();
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for (int i = 0; i < args.length; ++i) {
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String arg = args[i];
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if (arg.startsWith("-")) {
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int paramCount = compiler.isSupportedOption(arg);
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if (paramCount < 0) {
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paramCount = fileManager.isSupportedOption(arg);
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}
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if (paramCount < 0) {
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// unsupported, let javacTask show the error
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paramCount = 0;
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}
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options.add(arg);
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for (int j = 0; j < paramCount; ++j, i++) {
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options.add(args[i + 1]);
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}
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}
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else {
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files.add(arg);
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}
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}
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if (!files.isEmpty()) {
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List<CompilationLogDto> logs = new ArrayList<>();
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Iterable<? extends JavaFileObject> compilationUnits = fileManager.getJavaFileObjectsFromStrings(files);
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JavaCompiler.CompilationTask task =
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compiler.getTask(null, fileManager, diagnosticsCollector, options, null, compilationUnits);
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boolean success = task.call();
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for (Diagnostic<? extends JavaFileObject> diagnostic : diagnosticsCollector.getDiagnostics()) {
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switch (diagnostic.getKind()) {
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case ERROR:
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case WARNING:
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CompilationLogDto log = new CompilationLogDto();
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log.setFilename(diagnostic.getSource().getName());
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log.setLine(diagnostic.getLineNumber());
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log.setColumn(diagnostic.getColumnNumber());
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log.setMessage(diagnostic.getMessage(null));
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log.setKind(diagnostic.getKind() == Kind.ERROR ? CompilationLogKind.ERROR : CompilationLogKind.WARNING);
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logs.add(log);
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break;
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default:
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// nothing
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}
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}
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fileManager.close();
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CompilationResult result = new CompilationResult();
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result.setSuccess(success);
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result.setLogs(logs);
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realOut.println(new Gson().toJson(result));
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System.exit(success ? 0 : 1);
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}
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else {
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CompilationResult result = new CompilationResult();
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result.setSuccess(false);
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CompilationLogDto log = new CompilationLogDto();
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log.setKind(CompilationLogKind.ERROR);
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log.setMessage("no source file");
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result.setLogs(singletonList(log));
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realOut.println(new Gson().toJson(result));
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System.exit(2);
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}
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}
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}

‎src/main/java/com/codingame/codemachine/compiler/java/core/CompilationLogDto.java

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package com.codingame.codemachine.compiler.java.core;
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public class CompilationLogDto {
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private CompilationLogKind kind;
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private Long line, column;
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private String message;
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private String filename;
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public CompilationLogKind getKind() {
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return kind;
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}
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public void setKind(CompilationLogKind kind) {
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this.kind = kind;
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}
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public Long getLine() {
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return line;
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}
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public void setLine(Long line) {
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this.line = line;
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}
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public Long getColumn() {
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return column;
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}
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public void setColumn(Long column) {
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this.column = column;
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}
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public String getMessage() {
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return message;
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}
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public void setMessage(String message) {
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this.message = message;
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}
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public String getFilename() {
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return filename;
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}
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public void setFilename(String filename) {
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this.filename = filename;
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}
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}

‎src/main/java/com/codingame/codemachine/compiler/java/core/CompilationLogKind.java

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package com.codingame.codemachine.compiler.java.core;
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public enum CompilationLogKind {
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ERROR, WARNING
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}

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