├── .gitignore ├── LICENSE ├── README.md ├── build.gradle ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── src ├── main ├── java │ └── ru │ │ └── trylogic │ │ └── groovy │ │ └── macro │ │ ├── runtime │ │ ├── Macro.java │ │ ├── MacroContext.java │ │ └── MacroStub.java │ │ └── transform │ │ ├── MacroExtensionsTransformer.java │ │ ├── MacroMethodsCache.java │ │ ├── MacroTransformation.java │ │ └── MethodCallTransformation.java └── resources │ └── META-INF │ └── services │ └── org.codehaus.groovy.transform.ASTTransformation └── test ├── groovy └── ru │ └── trylogic │ └── groovy │ └── macro │ └── transform │ ├── MacroTransformationPerformanceTest.groovy │ ├── MacroTransformationTest.groovy │ └── TestMacroMethods.java └── resources └── META-INF └── services └── org.codehaus.groovy.runtime.ExtensionModule /.gitignore: -------------------------------------------------------------------------------- 1 | .DS_Store 2 | 3 | .idea/ 4 | *.iml 5 | *.ipr 6 | *.iws 7 | 8 | .gradle/ 9 | build/ 10 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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Allows you to mark extension method with @Macro, and every call to this method will be translated to expression returned from it. 4 | 5 | Usage 6 | ==================== 7 | Just mark your extension method with @Macro annotation: 8 | ```groovy 9 | import static org.codehaus.groovy.ast.tools.GeneralUtils.*; 10 | 11 | public class TestMacroMethods { 12 | 13 | @Macro 14 | public static Expression safe(MacroContext macroContext, 15 | MethodCallExpression callExpression) { 16 | return ternaryX( 17 | notNullX(callExpression.getObjectExpression()), 18 | callExpression, 19 | constX(null) 20 | ); 21 | } 22 | } 23 | ``` 24 | 25 | and then, use it as normal method: 26 | ```groovy 27 | def nullObject = null; 28 | 29 | assert null == safe(nullObject.hashcode()) 30 | ``` 31 | 32 | 33 | License 34 | ==================== 35 | Project is licensed under the terms of the Apache License, Version 2.0 36 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | repositories { 3 | jcenter() 4 | } 5 | 6 | dependencies { 7 | classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:0.4.1' 8 | } 9 | } 10 | 11 | repositories { 12 | jcenter() 13 | } 14 | 15 | apply plugin: 'groovy' 16 | apply plugin: 'idea' 17 | apply plugin: 'maven-publish' 18 | apply plugin: 'com.jfrog.bintray' 19 | 20 | group = 'ru.trylogic.groovy.macro' 21 | version = '0.2.0' 22 | 23 | configurations { 24 | provided 25 | } 26 | 27 | sourceSets { 28 | main { 29 | compileClasspath += configurations.provided 30 | } 31 | } 32 | 33 | dependencies { 34 | provided 'org.codehaus.groovy:groovy-all:2.3.6' 35 | 36 | compile 'org.codehaus.groovy:groovy-all:2.3.6' 37 | testCompile 'junit:junit:4.11' 38 | testCompile 'org.gperfutils:gbench:0.4.2-groovy-2.1' 39 | } 40 | 41 | def pomConfig = { 42 | licenses { 43 | license { 44 | name "The Apache Software License, Version 2.0" 45 | url "http://www.apache.org/licenses/LICENSE-2.0.txt" 46 | distribution "repo" 47 | } 48 | } 49 | developers { 50 | developer { 51 | id "bsideup" 52 | name "Sergei Egorov" 53 | email "bsideup@gmail.com" 54 | } 55 | } 56 | } 57 | 58 | task sourcesJar(type: Jar, dependsOn: classes) { 59 | classifier = 'sources' 60 | from sourceSets.main.allSource 61 | } 62 | 63 | artifacts { 64 | archives sourcesJar 65 | } 66 | 67 | publishing { 68 | publications { 69 | mavenJava(MavenPublication) { 70 | from components.java 71 | artifact sourcesJar 72 | 73 | pom.withXml { 74 | def root = asNode() 75 | root.appendNode('description', 'Macro methods for Groovy') 76 | root.children().last() + pomConfig 77 | } 78 | } 79 | } 80 | } 81 | 82 | bintray { 83 | user = bintrayUser ?: 'USER' 84 | key = bintrayKey ?: 'KEY' 85 | publications = ['mavenJava'] 86 | pkg { 87 | userOrg = 'bsideup' 88 | repo = 'groovy' 89 | name = 'groovy-macro-methods' 90 | licenses = ['Apache-2.0'] 91 | websiteUrl = 'https://github.com/bsideup/groovy-macro-methods' 92 | } 93 | } 94 | 95 | task wrapper(type: Wrapper) { 96 | gradleVersion = '2.0' 97 | } 98 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/bsideup/groovy-macro-methods/6627dbf8394b60c6a6bab3b373bd4f0d3f728fe9/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Fri Sep 05 21:34:03 EEST 2014 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-2.0-bin.zip 7 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env bash 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 10 | DEFAULT_JVM_OPTS="" 11 | 12 | APP_NAME="Gradle" 13 | APP_BASE_NAME=`basename "$0"` 14 | 15 | # Use the maximum available, or set MAX_FD != -1 to use that value. 16 | MAX_FD="maximum" 17 | 18 | warn ( ) { 19 | echo "$*" 20 | } 21 | 22 | die ( ) { 23 | echo 24 | echo "$*" 25 | echo 26 | exit 1 27 | } 28 | 29 | # OS specific support (must be 'true' or 'false'). 30 | cygwin=false 31 | msys=false 32 | darwin=false 33 | case "`uname`" in 34 | CYGWIN* ) 35 | cygwin=true 36 | ;; 37 | Darwin* ) 38 | darwin=true 39 | ;; 40 | MINGW* ) 41 | msys=true 42 | ;; 43 | esac 44 | 45 | # For Cygwin, ensure paths are in UNIX format before anything is touched. 46 | if $cygwin ; then 47 | [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"` 48 | fi 49 | 50 | # Attempt to set APP_HOME 51 | # Resolve links: $0 may be a link 52 | PRG="$0" 53 | # Need this for relative symlinks. 54 | while [ -h "$PRG" ] ; do 55 | ls=`ls -ld "$PRG"` 56 | link=`expr "$ls" : '.*-> \(.*\)$'` 57 | if expr "$link" : '/.*' > /dev/null; then 58 | PRG="$link" 59 | else 60 | PRG=`dirname "$PRG"`"/$link" 61 | fi 62 | done 63 | SAVED="`pwd`" 64 | cd "`dirname \"$PRG\"`/" >&- 65 | APP_HOME="`pwd -P`" 66 | cd "$SAVED" >&- 67 | 68 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 69 | 70 | # Determine the Java command to use to start the JVM. 71 | if [ -n "$JAVA_HOME" ] ; then 72 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 73 | # IBM's JDK on AIX uses strange locations for the executables 74 | JAVACMD="$JAVA_HOME/jre/sh/java" 75 | else 76 | JAVACMD="$JAVA_HOME/bin/java" 77 | fi 78 | if [ ! -x "$JAVACMD" ] ; then 79 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 80 | 81 | Please set the JAVA_HOME variable in your environment to match the 82 | location of your Java installation." 83 | fi 84 | else 85 | JAVACMD="java" 86 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 87 | 88 | Please set the JAVA_HOME variable in your environment to match the 89 | location of your Java installation." 90 | fi 91 | 92 | # Increase the maximum file descriptors if we can. 93 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then 94 | MAX_FD_LIMIT=`ulimit -H -n` 95 | if [ $? -eq 0 ] ; then 96 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 97 | MAX_FD="$MAX_FD_LIMIT" 98 | fi 99 | ulimit -n $MAX_FD 100 | if [ $? -ne 0 ] ; then 101 | warn "Could not set maximum file descriptor limit: $MAX_FD" 102 | fi 103 | else 104 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 105 | fi 106 | fi 107 | 108 | # For Darwin, add options to specify how the application appears in the dock 109 | if $darwin; then 110 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 111 | fi 112 | 113 | # For Cygwin, switch paths to Windows format before running java 114 | if $cygwin ; then 115 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 116 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules 158 | function splitJvmOpts() { 159 | JVM_OPTS=("$@") 160 | } 161 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS 162 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" 163 | 164 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" 165 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 12 | set DEFAULT_JVM_OPTS= 13 | 14 | set DIRNAME=%~dp0 15 | if "%DIRNAME%" == "" set DIRNAME=. 16 | set APP_BASE_NAME=%~n0 17 | set APP_HOME=%DIRNAME% 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windowz variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | if "%@eval[2+2]" == "4" goto 4NT_args 53 | 54 | :win9xME_args 55 | @rem Slurp the command line arguments. 56 | set CMD_LINE_ARGS= 57 | set _SKIP=2 58 | 59 | :win9xME_args_slurp 60 | if "x%~1" == "x" goto execute 61 | 62 | set CMD_LINE_ARGS=%* 63 | goto execute 64 | 65 | :4NT_args 66 | @rem Get arguments from the 4NT Shell from JP Software 67 | set CMD_LINE_ARGS=%$ 68 | 69 | :execute 70 | @rem Setup the command line 71 | 72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 73 | 74 | @rem Execute Gradle 75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 76 | 77 | :end 78 | @rem End local scope for the variables with windows NT shell 79 | if "%ERRORLEVEL%"=="0" goto mainEnd 80 | 81 | :fail 82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 83 | rem the _cmd.exe /c_ return code! 84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 85 | exit /b 1 86 | 87 | :mainEnd 88 | if "%OS%"=="Windows_NT" endlocal 89 | 90 | :omega 91 | -------------------------------------------------------------------------------- /src/main/java/ru/trylogic/groovy/macro/runtime/Macro.java: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.macro.runtime; 2 | 3 | import java.lang.annotation.ElementType; 4 | import java.lang.annotation.Retention; 5 | import java.lang.annotation.RetentionPolicy; 6 | import java.lang.annotation.Target; 7 | 8 | /** 9 | * 10 | * @author Sergei Egorov 11 | */ 12 | 13 | @Retention(RetentionPolicy.RUNTIME) 14 | @Target({ElementType.METHOD}) 15 | public @interface Macro { 16 | } 17 | -------------------------------------------------------------------------------- /src/main/java/ru/trylogic/groovy/macro/runtime/MacroContext.java: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.macro.runtime; 2 | 3 | import org.codehaus.groovy.ast.expr.MethodCallExpression; 4 | import org.codehaus.groovy.control.CompilationUnit; 5 | import org.codehaus.groovy.control.SourceUnit; 6 | 7 | /** 8 | * 9 | * @author Sergei Egorov 10 | */ 11 | public class MacroContext { 12 | 13 | private final MethodCallExpression call; 14 | 15 | private final SourceUnit sourceUnit; 16 | 17 | private final CompilationUnit compilationUnit; 18 | 19 | public MacroContext(CompilationUnit compilationUnit, SourceUnit sourceUnit, MethodCallExpression call) { 20 | this.compilationUnit = compilationUnit; 21 | this.sourceUnit = sourceUnit; 22 | this.call = call; 23 | } 24 | 25 | public MethodCallExpression getCall() { 26 | return call; 27 | } 28 | 29 | public SourceUnit getSourceUnit() { 30 | return sourceUnit; 31 | } 32 | 33 | public CompilationUnit getCompilationUnit() { 34 | return compilationUnit; 35 | } 36 | } 37 | -------------------------------------------------------------------------------- /src/main/java/ru/trylogic/groovy/macro/runtime/MacroStub.java: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.macro.runtime; 2 | 3 | /** 4 | * Stub for macro calls. Used to replace "someMacroMethod(123)" to "MacroStub.INSTANCE.macroMethod(123)" 5 | * 6 | * @author Sergei Egorov 7 | */ 8 | public enum MacroStub { 9 | INSTANCE; 10 | 11 | public T macroMethod(T obj) { 12 | return obj; 13 | } 14 | } 15 | -------------------------------------------------------------------------------- /src/main/java/ru/trylogic/groovy/macro/transform/MacroExtensionsTransformer.java: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.macro.transform; 2 | 3 | import org.codehaus.groovy.ast.*; 4 | import org.codehaus.groovy.ast.expr.*; 5 | import org.codehaus.groovy.classgen.asm.InvocationWriter; 6 | import org.codehaus.groovy.control.CompilationUnit; 7 | import org.codehaus.groovy.control.SourceUnit; 8 | import org.codehaus.groovy.runtime.InvokerHelper; 9 | import org.codehaus.groovy.transform.stc.ExtensionMethodNode; 10 | import org.codehaus.groovy.transform.stc.StaticTypeCheckingSupport; 11 | import ru.trylogic.groovy.macro.runtime.MacroContext; 12 | import ru.trylogic.groovy.macro.runtime.MacroStub; 13 | 14 | import java.util.*; 15 | 16 | /** 17 | * TODO validation 18 | * TODO multiple phases support 19 | * 20 | * @author Sergei Egorov 21 | */ 22 | public class MacroExtensionsTransformer extends ClassCodeVisitorSupport { 23 | 24 | public static final ClassNode MACRO_CONTEXT_CLASS_NODE = ClassHelper.make(MacroContext.class); 25 | 26 | public static final ClassNode MACRO_STUB_CLASS_NODE = ClassHelper.make(MacroStub.class); 27 | 28 | public static final PropertyExpression MACRO_STUB_INSTANCE = new PropertyExpression(new ClassExpression(MACRO_STUB_CLASS_NODE), "INSTANCE"); 29 | 30 | public static final String MACRO_STUB_METHOD_NAME = "macroMethod"; 31 | 32 | protected final CompilationUnit unit; 33 | 34 | protected final SourceUnit sourceUnit; 35 | 36 | protected final Map> macroMethodsByName; 37 | 38 | public MacroExtensionsTransformer(CompilationUnit unit, SourceUnit sourceUnit) { 39 | this.unit = unit; 40 | this.sourceUnit = sourceUnit; 41 | 42 | this.macroMethodsByName = MacroMethodsCache.getMacroMethodsByNameMap(unit.getTransformLoader()); 43 | } 44 | 45 | @Override 46 | protected SourceUnit getSourceUnit() { 47 | return sourceUnit; 48 | } 49 | 50 | @Override 51 | public void visitMethodCallExpression(MethodCallExpression call) { 52 | super.visitMethodCallExpression(call); 53 | 54 | List callArguments = InvocationWriter.makeArgumentList(call.getArguments()).getExpressions(); 55 | 56 | ClassNode[] argumentsList = new ClassNode[callArguments.size()]; 57 | 58 | for (int i = 0; i < callArguments.size(); i++) { 59 | argumentsList[i] = ClassHelper.make(callArguments.get(i).getClass()); 60 | } 61 | 62 | String methodName = call.getMethodAsString(); 63 | 64 | List methods = macroMethodsByName.get(methodName); 65 | 66 | if(methods == null) { 67 | return; 68 | } 69 | 70 | methods = StaticTypeCheckingSupport.chooseBestMethod(MACRO_CONTEXT_CLASS_NODE, methods, argumentsList); 71 | 72 | for (MethodNode macroMethodNode : methods) { 73 | if(!(macroMethodNode instanceof ExtensionMethodNode)) { 74 | continue; 75 | } 76 | 77 | ExtensionMethodNode extensionMethodNode = (ExtensionMethodNode) macroMethodNode; 78 | 79 | MethodNode macroExtensionMethodNode = extensionMethodNode.getExtensionMethodNode(); 80 | 81 | MacroContext macroContext = new MacroContext(unit, sourceUnit, call); 82 | 83 | List macroArguments = new ArrayList(); 84 | macroArguments.add(macroContext); 85 | macroArguments.addAll(callArguments); 86 | 87 | final Class clazz; 88 | try { 89 | clazz = unit.getClassLoader().loadClass(macroExtensionMethodNode.getDeclaringClass().getName()); 90 | } catch (ClassNotFoundException e) { 91 | //TODO different reaction? 92 | continue; 93 | } 94 | 95 | Expression result = (Expression) InvokerHelper.invokeStaticMethod(clazz, methodName, macroArguments.toArray()); 96 | 97 | call.setObjectExpression(MACRO_STUB_INSTANCE); 98 | call.setMethod(new ConstantExpression(MACRO_STUB_METHOD_NAME)); 99 | 100 | call.setSpreadSafe(false); 101 | call.setSafe(false); 102 | call.setImplicitThis(false); 103 | 104 | call.setArguments(result); 105 | 106 | break; 107 | } 108 | } 109 | } 110 | -------------------------------------------------------------------------------- /src/main/java/ru/trylogic/groovy/macro/transform/MacroMethodsCache.java: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.macro.transform; 2 | 3 | import org.codehaus.groovy.ast.ClassHelper; 4 | import org.codehaus.groovy.ast.ClassNode; 5 | import org.codehaus.groovy.ast.MethodNode; 6 | import org.codehaus.groovy.ast.Parameter; 7 | import org.codehaus.groovy.runtime.m12n.ExtensionModule; 8 | import org.codehaus.groovy.runtime.m12n.ExtensionModuleScanner; 9 | import org.codehaus.groovy.runtime.m12n.MetaInfExtensionModule; 10 | import org.codehaus.groovy.transform.stc.ExtensionMethodNode; 11 | import ru.trylogic.groovy.macro.runtime.Macro; 12 | 13 | import java.util.*; 14 | import java.util.concurrent.locks.ReentrantReadWriteLock; 15 | 16 | /** 17 | * 18 | * @author Sergei Egorov 19 | */ 20 | public class MacroMethodsCache { 21 | 22 | public static final ClassNode MACRO_ANNOTATION_CLASS_NODE = ClassHelper.make(Macro.class); 23 | 24 | protected static volatile Map>> CACHE = new WeakHashMap>>(); 25 | 26 | private static final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); 27 | 28 | public static Map> getMacroMethodsByNameMap(ClassLoader classLoader) { 29 | try { 30 | lock.readLock().lock(); 31 | if (!CACHE.containsKey(classLoader)) { 32 | lock.readLock().unlock(); 33 | lock.writeLock().lock(); 34 | 35 | try { 36 | if (!CACHE.containsKey(classLoader)) { 37 | WeakHashMap>> newCache = new WeakHashMap>>(CACHE); 38 | 39 | Map> methods = getMacroMethodsFromClassLoader(classLoader); 40 | newCache.put(classLoader, methods); 41 | 42 | CACHE = Collections.unmodifiableMap(newCache); 43 | } 44 | } finally { 45 | lock.readLock().lock(); 46 | lock.writeLock().unlock(); 47 | } 48 | } 49 | 50 | return CACHE.get(classLoader); 51 | } finally { 52 | lock.readLock().unlock(); 53 | } 54 | } 55 | 56 | protected static Map> getMacroMethodsFromClassLoader(ClassLoader classLoader) { 57 | final Map> result = new HashMap>(); 58 | ExtensionModuleScanner.ExtensionModuleListener listener = new ExtensionModuleScanner.ExtensionModuleListener() { 59 | @Override 60 | public void onModule(ExtensionModule module) { 61 | if (!(module instanceof MetaInfExtensionModule)) { 62 | return; 63 | } 64 | 65 | MetaInfExtensionModule extensionModule = (MetaInfExtensionModule) module; 66 | 67 | scanExtClasses(result, extensionModule.getInstanceMethodsExtensionClasses(), false); 68 | scanExtClasses(result, extensionModule.getStaticMethodsExtensionClasses(), true); 69 | } 70 | }; 71 | 72 | ExtensionModuleScanner macroModuleScanner = new ExtensionModuleScanner(listener, classLoader); 73 | 74 | macroModuleScanner.scanClasspathModules(); 75 | 76 | for (Map.Entry> entry : result.entrySet()) { 77 | result.put(entry.getKey(), Collections.unmodifiableList(entry.getValue())); 78 | } 79 | 80 | return Collections.unmodifiableMap(result); 81 | } 82 | 83 | protected static void scanExtClasses(Map> accumulator, List classes, boolean isStatic) { 84 | for (Class dgmLikeClass : classes) { 85 | ClassNode cn = ClassHelper.makeWithoutCaching(dgmLikeClass, true); 86 | for (MethodNode metaMethod : cn.getMethods()) { 87 | Parameter[] types = metaMethod.getParameters(); 88 | if (!(metaMethod.isStatic() && metaMethod.isPublic())) { 89 | continue; 90 | } 91 | 92 | if (types.length == 0) { 93 | continue; 94 | } 95 | 96 | if (metaMethod.getAnnotations(MACRO_ANNOTATION_CLASS_NODE).isEmpty()) { 97 | continue; 98 | } 99 | 100 | Parameter[] parameters = new Parameter[types.length - 1]; 101 | System.arraycopy(types, 1, parameters, 0, parameters.length); 102 | ExtensionMethodNode node = new ExtensionMethodNode( 103 | metaMethod, 104 | metaMethod.getName(), 105 | metaMethod.getModifiers(), 106 | metaMethod.getReturnType(), 107 | parameters, 108 | ClassNode.EMPTY_ARRAY, null, 109 | isStatic); 110 | node.setGenericsTypes(metaMethod.getGenericsTypes()); 111 | ClassNode declaringClass = types[0].getType(); 112 | node.setDeclaringClass(declaringClass); 113 | 114 | List macroMethods = accumulator.get(metaMethod.getName()); 115 | 116 | if (macroMethods == null) { 117 | macroMethods = new ArrayList(); 118 | accumulator.put(metaMethod.getName(), macroMethods); 119 | } 120 | 121 | macroMethods.add(node); 122 | } 123 | } 124 | } 125 | } 126 | -------------------------------------------------------------------------------- /src/main/java/ru/trylogic/groovy/macro/transform/MacroTransformation.java: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.macro.transform; 2 | 3 | import groovy.transform.CompilationUnitAware; 4 | import org.codehaus.groovy.ast.*; 5 | import org.codehaus.groovy.control.CompilationUnit; 6 | import org.codehaus.groovy.control.CompilePhase; 7 | import org.codehaus.groovy.control.SourceUnit; 8 | import org.codehaus.groovy.transform.GroovyASTTransformation; 9 | 10 | /** 11 | * 12 | * @author Sergei Egorov 13 | */ 14 | 15 | @GroovyASTTransformation(phase = CompilePhase.SEMANTIC_ANALYSIS) 16 | public class MacroTransformation extends MethodCallTransformation implements CompilationUnitAware { 17 | 18 | protected CompilationUnit unit; 19 | 20 | @Override 21 | public void setCompilationUnit(CompilationUnit unit) { 22 | this.unit = unit; 23 | } 24 | 25 | @Override 26 | protected GroovyCodeVisitor getTransformer(ASTNode[] nodes, final SourceUnit sourceUnit) { 27 | return new MacroExtensionsTransformer(unit, sourceUnit); 28 | } 29 | } 30 | 31 | -------------------------------------------------------------------------------- /src/main/java/ru/trylogic/groovy/macro/transform/MethodCallTransformation.java: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.macro.transform; 2 | 3 | import groovy.lang.MissingPropertyException; 4 | import org.codehaus.groovy.ast.*; 5 | import org.codehaus.groovy.ast.stmt.Statement; 6 | import org.codehaus.groovy.control.SourceUnit; 7 | import org.codehaus.groovy.transform.ASTTransformation; 8 | 9 | /** 10 | * 11 | * @author Hamlet D'Arcy 12 | * @author Sergei Egorov 13 | */ 14 | public abstract class MethodCallTransformation implements ASTTransformation { 15 | 16 | public void visit(ASTNode[] nodes, SourceUnit sourceUnit) { 17 | 18 | GroovyCodeVisitor transformer = getTransformer(nodes, sourceUnit); 19 | 20 | if (nodes != null) { 21 | for (ASTNode it : nodes) { 22 | if (!(it instanceof AnnotationNode) && !(it instanceof ClassNode)) { 23 | it.visit(transformer); 24 | } 25 | } 26 | } 27 | if (sourceUnit.getAST() != null) { 28 | sourceUnit.getAST().visit(transformer); 29 | if (sourceUnit.getAST().getStatementBlock() != null) { 30 | sourceUnit.getAST().getStatementBlock().visit(transformer); 31 | } 32 | if (sourceUnit.getAST().getClasses() != null) { 33 | for (ClassNode classNode : sourceUnit.getAST().getClasses()) { 34 | if (classNode.getMethods() != null) { 35 | for (MethodNode node : classNode.getMethods()) { 36 | if (node != null && node.getCode() != null) { 37 | node.getCode().visit(transformer); 38 | } 39 | } 40 | } 41 | 42 | try { 43 | if (classNode.getDeclaredConstructors() != null) { 44 | for (MethodNode node : classNode.getDeclaredConstructors()) { 45 | if (node != null && node.getCode() != null) { 46 | node.getCode().visit(transformer); 47 | } 48 | } 49 | } 50 | } catch (MissingPropertyException ignored) { 51 | // todo: inner class nodes don't have a constructors field available 52 | } 53 | 54 | // all properties are also always fields 55 | if (classNode.getFields() != null) { 56 | for (FieldNode node : classNode.getFields()) { 57 | if (node.getInitialValueExpression() != null) { 58 | node.getInitialValueExpression().visit(transformer); 59 | } 60 | } 61 | } 62 | 63 | try { 64 | if (classNode.getObjectInitializerStatements() != null) { 65 | for (Statement node : classNode.getObjectInitializerStatements()) { 66 | if (node != null) { 67 | node.visit(transformer); 68 | } 69 | } 70 | } 71 | } catch (MissingPropertyException ignored) { 72 | // todo: inner class nodes don't have a objectInitializers field available 73 | } 74 | 75 | // todo: is there anything to do with the module ??? 76 | } 77 | } 78 | if (sourceUnit.getAST().getMethods() != null) { 79 | for (MethodNode node : sourceUnit.getAST().getMethods()) { 80 | if (node != null) { 81 | if (node.getParameters() != null) { 82 | for (Parameter parameter : node.getParameters()) { 83 | if (parameter != null && parameter.getInitialExpression() != null) { 84 | parameter.getInitialExpression().visit(transformer); 85 | } 86 | } 87 | } 88 | if (node.getCode() != null) { 89 | node.getCode().visit(transformer); 90 | } 91 | } 92 | } 93 | } 94 | } 95 | } 96 | 97 | protected abstract GroovyCodeVisitor getTransformer(ASTNode[] nodes, SourceUnit sourceUnit); 98 | } 99 | -------------------------------------------------------------------------------- /src/main/resources/META-INF/services/org.codehaus.groovy.transform.ASTTransformation: -------------------------------------------------------------------------------- 1 | #global transformation for macro methods support 2 | ru.trylogic.groovy.macro.transform.MacroTransformation -------------------------------------------------------------------------------- /src/test/groovy/ru/trylogic/groovy/macro/transform/MacroTransformationPerformanceTest.groovy: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.macro.transform 2 | 3 | import org.codehaus.groovy.control.CompilerConfiguration 4 | 5 | class MacroTransformationPerformanceTest extends GroovyTestCase { 6 | 7 | void testPerformance() { 8 | def configuration = new CompilerConfiguration(); 9 | configuration.disabledGlobalASTTransformations = [MacroTransformation.name]; 10 | 11 | def normalClassLoader = new GroovyClassLoader(Thread.currentThread().contextClassLoader, configuration); 12 | def macroClassLoader = new GroovyClassLoader(); 13 | 14 | def code = 'assert "bytes" == propertyName("".bytes)' 15 | 16 | def r = benchmark { 17 | 'normal' { 18 | normalClassLoader.parseClass code 19 | } 20 | 21 | 'macro' { 22 | macroClassLoader.parseClass code 23 | } 24 | } 25 | 26 | r.prettyPrint(); 27 | } 28 | } 29 | -------------------------------------------------------------------------------- /src/test/groovy/ru/trylogic/groovy/macro/transform/MacroTransformationTest.groovy: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.macro.transform 2 | 3 | class MacroTransformationTest extends GroovyTestCase { 4 | 5 | void testSimple() { 6 | assertScript """ 7 | 8 | def nullObject = null; 9 | 10 | assert null == safe(nullObject.hashcode()) 11 | 12 | """ 13 | } 14 | 15 | void testMacroInClosure() { 16 | assertScript """ 17 | 18 | def cl = { 19 | return safe(it.hashcode()) 20 | } 21 | 22 | assert null == cl(null) 23 | 24 | """ 25 | } 26 | 27 | void testCascade() { 28 | assertScript """ 29 | def nullObject = null; 30 | 31 | assert null == safe(safe(nullObject.hashcode()).toString()) 32 | 33 | """ 34 | } 35 | 36 | void testMethodName() { 37 | assertScript """ 38 | 39 | assert "toString" == methodName(123.toString()) 40 | 41 | assert "getInteger" == methodName(Integer.getInteger()) 42 | 43 | assert "call" == methodName({}()) 44 | 45 | assert "after" == methodName((new Date()).&after); 46 | """ 47 | } 48 | 49 | void testPropertyName() { 50 | assertScript """ 51 | 52 | assert "bytes" == propertyName("".bytes) 53 | 54 | assert "class" == propertyName(123.class) 55 | """ 56 | } 57 | } 58 | -------------------------------------------------------------------------------- /src/test/groovy/ru/trylogic/groovy/macro/transform/TestMacroMethods.java: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.macro.transform; 2 | 3 | import org.codehaus.groovy.ast.expr.*; 4 | import ru.trylogic.groovy.macro.runtime.Macro; 5 | import ru.trylogic.groovy.macro.runtime.MacroContext; 6 | 7 | import static org.codehaus.groovy.ast.tools.GeneralUtils.*; 8 | 9 | public class TestMacroMethods { 10 | 11 | @Macro 12 | public static Expression safe(MacroContext macroContext, MethodCallExpression callExpression) { 13 | return ternaryX( 14 | notNullX(callExpression.getObjectExpression()), 15 | callExpression, 16 | constX(null) 17 | ); 18 | } 19 | 20 | @Macro 21 | public static ConstantExpression methodName(MacroContext macroContext, MethodCallExpression callExpression) { 22 | return constX(callExpression.getMethodAsString()); 23 | } 24 | 25 | @Macro 26 | public static ConstantExpression methodName(MacroContext macroContext, MethodPointerExpression methodPointerExpression) { 27 | return constX(methodPointerExpression.getMethodName().getText()); 28 | } 29 | 30 | @Macro 31 | public static ConstantExpression propertyName(MacroContext macroContext, PropertyExpression propertyExpression) { 32 | return constX(propertyExpression.getPropertyAsString()); 33 | } 34 | } 35 | -------------------------------------------------------------------------------- /src/test/resources/META-INF/services/org.codehaus.groovy.runtime.ExtensionModule: -------------------------------------------------------------------------------- 1 | moduleName=macro-module 2 | moduleVersion=1.0 3 | extensionClasses=ru.trylogic.groovy.macro.transform.TestMacroMethods 4 | --------------------------------------------------------------------------------