├── .gitignore ├── LICENSE ├── README.md ├── build.gradle ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── src ├── main ├── java │ └── ru │ │ └── trylogic │ │ └── groovy │ │ └── pattern │ │ ├── PatternMatchingMacroMethods.java │ │ └── matcher │ │ ├── MatchCaseFactory.java │ │ └── cases │ │ ├── AbstractMatchCase.java │ │ ├── AnyCase.java │ │ ├── ClassCase.java │ │ ├── ClosureCase.java │ │ ├── EqCase.java │ │ ├── MatchCase.java │ │ ├── MultiCase.java │ │ └── RangeCase.java └── resources │ └── META-INF │ └── services │ └── org.codehaus.groovy.runtime.ExtensionModule └── test └── groovy └── ru └── trylogic └── groovy └── pattern └── PatternMatchingMacroMethodsTest.groovy /.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. Definitions. 8 | 9 | "License" shall mean the terms and conditions for use, reproduction, 10 | and distribution as defined by Sections 1 through 9 of this document. 11 | 12 | "Licensor" shall mean the copyright owner or entity authorized by 13 | the copyright owner that is granting the License. 14 | 15 | "Legal Entity" shall mean the union of the acting entity and all 16 | other entities that control, are controlled by, or are under common 17 | control with that entity. For the purposes of this definition, 18 | "control" means (i) the power, direct or indirect, to cause the 19 | direction or management of such entity, whether by contract or 20 | otherwise, or (ii) ownership of fifty percent (50%) or more of the 21 | outstanding shares, or (iii) beneficial ownership of such entity. 22 | 23 | "You" (or "Your") shall mean an individual or Legal Entity 24 | exercising permissions granted by this License. 25 | 26 | "Source" form shall mean the preferred form for making modifications, 27 | including but not limited to software source code, documentation 28 | source, and configuration files. 29 | 30 | "Object" form shall mean any form resulting from mechanical 31 | transformation or translation of a Source form, including but 32 | not limited to compiled object code, generated documentation, 33 | and conversions to other media types. 34 | 35 | "Work" shall mean the work of authorship, whether in Source or 36 | Object form, made available under the License, as indicated by a 37 | copyright notice that is included in or attached to the work 38 | (an example is provided in the Appendix below). 39 | 40 | "Derivative Works" shall mean any work, whether in Source or Object 41 | form, that is based on (or derived from) the Work and for which the 42 | editorial revisions, annotations, elaborations, or other modifications 43 | represent, as a whole, an original work of authorship. For the purposes 44 | of this License, Derivative Works shall not include works that remain 45 | separable from, or merely link (or bind by name) to the interfaces of, 46 | the Work and Derivative Works thereof. 47 | 48 | "Contribution" shall mean any work of authorship, including 49 | the original version of the Work and any modifications or additions 50 | to that Work or Derivative Works thereof, that is intentionally 51 | submitted to Licensor for inclusion in the Work by the copyright owner 52 | or by an individual or Legal Entity authorized to submit on behalf of 53 | the copyright owner. For the purposes of this definition, "submitted" 54 | means any form of electronic, verbal, or written communication sent 55 | to the Licensor or its representatives, including but not limited to 56 | communication on electronic mailing lists, source code control systems, 57 | and issue tracking systems that are managed by, or on behalf of, the 58 | Licensor for the purpose of discussing and improving the Work, but 59 | excluding communication that is conspicuously marked or otherwise 60 | designated in writing by the copyright owner as "Not a Contribution." 61 | 62 | "Contributor" shall mean Licensor and any individual or Legal Entity 63 | on behalf of whom a Contribution has been received by Licensor and 64 | subsequently incorporated within the Work. 65 | 66 | 2. Grant of Copyright License. Subject to the terms and conditions of 67 | this License, each Contributor hereby grants to You a perpetual, 68 | worldwide, non-exclusive, no-charge, royalty-free, irrevocable 69 | copyright license to reproduce, prepare Derivative Works of, 70 | publicly display, publicly perform, sublicense, and distribute the 71 | Work and such Derivative Works in Source or Object form. 72 | 73 | 3. Grant of Patent License. Subject to the terms and conditions of 74 | this License, each Contributor hereby grants to You a perpetual, 75 | worldwide, non-exclusive, no-charge, royalty-free, irrevocable 76 | (except as stated in this section) patent license to make, have made, 77 | use, offer to sell, sell, import, and otherwise transfer the Work, 78 | where such license applies only to those patent claims licensable 79 | by such Contributor that are necessarily infringed by their 80 | Contribution(s) alone or by combination of their Contribution(s) 81 | with the Work to which such Contribution(s) was submitted. If You 82 | institute patent litigation against any entity (including a 83 | cross-claim or counterclaim in a lawsuit) alleging that the Work 84 | or a Contribution incorporated within the Work constitutes direct 85 | or contributory patent infringement, then any patent licenses 86 | granted to You under this License for that Work shall terminate 87 | as of the date such litigation is filed. 88 | 89 | 4. Redistribution. You may reproduce and distribute copies of the 90 | Work or Derivative Works thereof in any medium, with or without 91 | modifications, and in Source or Object form, provided that You 92 | meet the following conditions: 93 | 94 | (a) You must give any other recipients of the Work or 95 | Derivative Works a copy of this License; and 96 | 97 | (b) You must cause any modified files to carry prominent notices 98 | stating that You changed the files; and 99 | 100 | (c) You must retain, in the Source form of any Derivative Works 101 | that You distribute, all copyright, patent, trademark, and 102 | attribution notices from the Source form of the Work, 103 | excluding those notices that do not pertain to any part of 104 | the Derivative Works; and 105 | 106 | (d) If the Work includes a "NOTICE" text file as part of its 107 | distribution, then any Derivative Works that You distribute must 108 | include a readable copy of the attribution notices contained 109 | within such NOTICE file, excluding those notices that do not 110 | pertain to any part of the Derivative Works, in at least one 111 | of the following places: within a NOTICE text file distributed 112 | as part of the Derivative Works; within the Source form or 113 | documentation, if provided along with the Derivative Works; or, 114 | within a display generated by the Derivative Works, if and 115 | wherever such third-party notices normally appear. The contents 116 | of the NOTICE file are for informational purposes only and 117 | do not modify the License. You may add Your own attribution 118 | notices within Derivative Works that You distribute, alongside 119 | or as an addendum to the NOTICE text from the Work, provided 120 | that such additional attribution notices cannot be construed 121 | as modifying the License. 122 | 123 | You may add Your own copyright statement to Your modifications and 124 | may provide additional or different license terms and conditions 125 | for use, reproduction, or distribution of Your modifications, or 126 | for any such Derivative Works as a whole, provided Your use, 127 | reproduction, and distribution of the Work otherwise complies with 128 | the conditions stated in this License. 129 | 130 | 5. Submission of Contributions. Unless You explicitly state otherwise, 131 | any Contribution intentionally submitted for inclusion in the Work 132 | by You to the Licensor shall be under the terms and conditions of 133 | this License, without any additional terms or conditions. 134 | Notwithstanding the above, nothing herein shall supersede or modify 135 | the terms of any separate license agreement you may have executed 136 | with Licensor regarding such Contributions. 137 | 138 | 6. Trademarks. This License does not grant permission to use the trade 139 | names, trademarks, service marks, or product names of the Licensor, 140 | except as required for reasonable and customary use in describing the 141 | origin of the Work and reproducing the content of the NOTICE file. 142 | 143 | 7. Disclaimer of Warranty. Unless required by applicable law or 144 | agreed to in writing, Licensor provides the Work (and each 145 | Contributor provides its Contributions) on an "AS IS" BASIS, 146 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 147 | implied, including, without limitation, any warranties or conditions 148 | of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A 149 | PARTICULAR PURPOSE. You are solely responsible for determining the 150 | appropriateness of using or redistributing the Work and assume any 151 | risks associated with Your exercise of permissions under this License. 152 | 153 | 8. Limitation of Liability. In no event and under no legal theory, 154 | whether in tort (including negligence), contract, or otherwise, 155 | unless required by applicable law (such as deliberate and grossly 156 | negligent acts) or agreed to in writing, shall any Contributor be 157 | liable to You for damages, including any direct, indirect, special, 158 | incidental, or consequential damages of any character arising as a 159 | result of this License or out of the use or inability to use the 160 | Work (including but not limited to damages for loss of goodwill, 161 | work stoppage, computer failure or malfunction, or any and all 162 | other commercial damages or losses), even if such Contributor 163 | has been advised of the possibility of such damages. 164 | 165 | 9. Accepting Warranty or Additional Liability. While redistributing 166 | the Work or Derivative Works thereof, You may choose to offer, 167 | and charge a fee for, acceptance of support, warranty, indemnity, 168 | or other liability obligations and/or rights consistent with this 169 | License. However, in accepting such obligations, You may act only 170 | on Your own behalf and on Your sole responsibility, not on behalf 171 | of any other Contributor, and only if You agree to indemnify, 172 | defend, and hold each Contributor harmless for any liability 173 | incurred by, or claims asserted against, such Contributor by reason 174 | of your accepting any such warranty or additional liability. 175 | 176 | END OF TERMS AND CONDITIONS 177 | 178 | APPENDIX: How to apply the Apache License to your work. 179 | 180 | To apply the Apache License to your work, attach the following 181 | boilerplate notice, with the fields enclosed by brackets "{}" 182 | replaced with your own identifying information. (Don't include 183 | the brackets!) The text should be enclosed in the appropriate 184 | comment syntax for the file format. We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright {yyyy} {name of copyright owner} 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | groovy-pattern-match 2 | ==================== 3 | -------------------------------------------------------------------------------- /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.pattern' 21 | version = '0.1.0' 22 | 23 | dependencies { 24 | compile 'ru.trylogic.groovy.macro:groovy-macro-methods:0.2.0' 25 | 26 | testCompile 'junit:junit:4.11' 27 | } 28 | 29 | def pomConfig = { 30 | licenses { 31 | license { 32 | name "The Apache Software License, Version 2.0" 33 | url "http://www.apache.org/licenses/LICENSE-2.0.txt" 34 | distribution "repo" 35 | } 36 | } 37 | developers { 38 | developer { 39 | id "bsideup" 40 | name "Sergei Egorov" 41 | email "bsideup@gmail.com" 42 | } 43 | } 44 | } 45 | 46 | task sourcesJar(type: Jar, dependsOn: classes) { 47 | classifier = 'sources' 48 | from sourceSets.main.allSource 49 | } 50 | 51 | artifacts { 52 | archives sourcesJar 53 | } 54 | 55 | publishing { 56 | publications { 57 | mavenJava(MavenPublication) { 58 | from components.java 59 | artifact sourcesJar 60 | 61 | pom.withXml { 62 | def root = asNode() 63 | root.appendNode('description', 'Pattern matching for Groovy') 64 | root.children().last() + pomConfig 65 | } 66 | } 67 | } 68 | } 69 | 70 | bintray { 71 | user = bintrayUser ?: 'USER' 72 | key = bintrayKey ?: 'KEY' 73 | publications = ['mavenJava'] 74 | pkg { 75 | userOrg = 'bsideup' 76 | repo = 'groovy' 77 | name = 'groovy-pattern-match' 78 | licenses = ['Apache-2.0'] 79 | websiteUrl = 'https://github.com/bsideup/groovy-pattern-match' 80 | } 81 | } 82 | 83 | task wrapper(type: Wrapper) { 84 | gradleVersion = '2.0' 85 | } -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/bsideup/groovy-pattern-match/d7c4c5494238b84b7685ce5fc433c8676416f1dc/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Fri Sep 05 22:17:20 EEST 2014 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=http\://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/pattern/PatternMatchingMacroMethods.java: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.pattern; 2 | 3 | import groovy.lang.Closure; 4 | import groovy.lang.GroovyRuntimeException; 5 | import org.codehaus.groovy.ast.ASTNode; 6 | import org.codehaus.groovy.ast.ClassHelper; 7 | import org.codehaus.groovy.ast.expr.*; 8 | import org.codehaus.groovy.ast.stmt.BlockStatement; 9 | import org.codehaus.groovy.ast.stmt.ExpressionStatement; 10 | import org.codehaus.groovy.ast.stmt.Statement; 11 | import org.codehaus.groovy.control.SourceUnit; 12 | import org.codehaus.groovy.control.messages.SyntaxErrorMessage; 13 | import org.codehaus.groovy.syntax.SyntaxException; 14 | import org.codehaus.groovy.syntax.Token; 15 | import org.codehaus.groovy.syntax.Types; 16 | import ru.trylogic.groovy.macro.runtime.Macro; 17 | import ru.trylogic.groovy.macro.runtime.MacroContext; 18 | import ru.trylogic.groovy.pattern.matcher.MatchCaseFactory; 19 | import ru.trylogic.groovy.pattern.matcher.cases.MatchCase; 20 | 21 | import java.util.*; 22 | 23 | import static org.codehaus.groovy.ast.tools.GeneralUtils.*; 24 | 25 | public class PatternMatchingMacroMethods { 26 | 27 | public static final String MATCH_PARAMETER_NAME = "_"; 28 | 29 | //For auto-complete, can be removed 30 | public static T match(Object self, Object it, Closure cl) { 31 | throw new GroovyRuntimeException("not available at runtime"); 32 | } 33 | 34 | public static T match(Object self, Closure cl) { 35 | throw new GroovyRuntimeException("not available at runtime"); 36 | } 37 | 38 | @Macro 39 | public static Expression match(MacroContext context, ClosureExpression cl) { 40 | return match(context, context.getCall().getObjectExpression(), cl); 41 | } 42 | 43 | @Macro 44 | public static Expression match(MacroContext context, Expression it, ClosureExpression cl) { 45 | SourceUnit sourceUnit = context.getSourceUnit(); 46 | 47 | List statements; 48 | 49 | Statement originalCode = cl.getCode(); 50 | if (originalCode instanceof BlockStatement) { 51 | statements = ((BlockStatement) originalCode).getStatements(); 52 | } else { 53 | statements = Arrays.asList(originalCode); 54 | } 55 | 56 | List conditions = new ArrayList(); 57 | 58 | VariableExpression parameterExpression = varX(PatternMatchingMacroMethods.MATCH_PARAMETER_NAME); 59 | 60 | MatchCaseFactory matchCaseFactory = new MatchCaseFactory(); 61 | for (Statement statement : statements) { 62 | if (!(statement instanceof ExpressionStatement)) { 63 | addErrorAndContinue(sourceUnit, "only ExpressionStatement is allowed as case", statement); 64 | continue; 65 | } 66 | 67 | Expression caseExpression = ((ExpressionStatement) statement).getExpression(); 68 | 69 | if (!(caseExpression instanceof BinaryExpression)) { 70 | addErrorAndContinue(sourceUnit, "case should be BinaryExpression", caseExpression); 71 | continue; 72 | } 73 | 74 | BinaryExpression binaryExpression = (BinaryExpression) caseExpression; 75 | 76 | Token operation = binaryExpression.getOperation(); 77 | if (!operation.isA(Types.RIGHT_SHIFT)) { 78 | addErrorAndContinue(sourceUnit, "case expressions should be divided by >>", operation); 79 | continue; 80 | } 81 | 82 | MatchCase matchCaseProvider = matchCaseFactory.getCaseConditionProvider( 83 | parameterExpression, 84 | binaryExpression.getLeftExpression(), 85 | binaryExpression.getRightExpression()); 86 | 87 | conditions.add(matchCaseProvider); 88 | } 89 | 90 | Collections.sort(conditions, new Comparator() { 91 | @Override 92 | public int compare(MatchCase o1, MatchCase o2) { 93 | return o1.getPriority() - o2.getPriority(); 94 | } 95 | }); 96 | 97 | BlockStatement resultBlock = block(); 98 | 99 | for (MatchCase matchCase : conditions) { 100 | resultBlock.addStatement(ifS( 101 | matchCase.getConditionExpression(), 102 | matchCase.getCaseStatement() 103 | )); 104 | } 105 | 106 | ClosureExpression closureExpression = closureX( 107 | params(param(ClassHelper.OBJECT_TYPE, MATCH_PARAMETER_NAME)), 108 | resultBlock 109 | ); 110 | 111 | closureExpression.setVariableScope(cl.getVariableScope()); 112 | 113 | return callX(closureExpression, "call", it); 114 | } 115 | 116 | public static void addErrorAndContinue(SourceUnit sourceUnit, String message, ASTNode node) { 117 | SyntaxException syntaxException = new SyntaxException(message, 118 | node.getLineNumber(), 119 | node.getColumnNumber(), 120 | node.getLastLineNumber(), 121 | node.getLastColumnNumber() 122 | ); 123 | sourceUnit.getErrorCollector().addErrorAndContinue(new SyntaxErrorMessage(syntaxException, sourceUnit)); 124 | } 125 | 126 | public static void addErrorAndContinue(SourceUnit sourceUnit, String message, Token token) { 127 | SyntaxException syntaxException = new SyntaxException(message, 128 | token.getStartLine(), 129 | token.getStartColumn() 130 | ); 131 | sourceUnit.getErrorCollector().addErrorAndContinue(new SyntaxErrorMessage(syntaxException, sourceUnit)); 132 | } 133 | } 134 | -------------------------------------------------------------------------------- /src/main/java/ru/trylogic/groovy/pattern/matcher/MatchCaseFactory.java: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.pattern.matcher; 2 | 3 | import org.codehaus.groovy.ast.expr.*; 4 | import org.codehaus.groovy.ast.expr.Expression; 5 | import org.codehaus.groovy.syntax.Types; 6 | import ru.trylogic.groovy.pattern.matcher.cases.*; 7 | 8 | public class MatchCaseFactory { 9 | 10 | public MatchCase getCaseConditionProvider(VariableExpression parameterExpression, Expression expression, Expression valueExpression) { 11 | if (expression instanceof BinaryExpression) { 12 | BinaryExpression binaryCaseExpression = (BinaryExpression) expression; 13 | 14 | if (binaryCaseExpression.getOperation().isA(Types.BITWISE_OR)) { 15 | return new MultiCase(parameterExpression, binaryCaseExpression, this, valueExpression); 16 | } 17 | } 18 | 19 | if (expression instanceof ClassExpression) { 20 | return new ClassCase(parameterExpression, (ClassExpression) expression, valueExpression); 21 | } 22 | 23 | if (expression instanceof RangeExpression) { 24 | return new RangeCase(parameterExpression, (RangeExpression) expression, valueExpression); 25 | } 26 | 27 | if (expression instanceof ClosureExpression) { 28 | return new ClosureCase(parameterExpression, (ClosureExpression) expression, valueExpression); 29 | } 30 | 31 | if(expression instanceof VariableExpression) { 32 | VariableExpression variableExpression = (VariableExpression) expression; 33 | 34 | if(variableExpression.getName().equals(parameterExpression.getName())) { 35 | return new AnyCase(parameterExpression, valueExpression); 36 | } 37 | } 38 | 39 | return new EqCase(parameterExpression, expression, valueExpression); 40 | } 41 | } 42 | -------------------------------------------------------------------------------- /src/main/java/ru/trylogic/groovy/pattern/matcher/cases/AbstractMatchCase.java: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.pattern.matcher.cases; 2 | 3 | import org.codehaus.groovy.ast.expr.Expression; 4 | import org.codehaus.groovy.ast.expr.VariableExpression; 5 | import org.codehaus.groovy.ast.stmt.Statement; 6 | 7 | import static org.codehaus.groovy.ast.tools.GeneralUtils.*; 8 | 9 | public abstract class AbstractMatchCase implements MatchCase { 10 | 11 | protected final VariableExpression parameterExpression; 12 | 13 | protected final Expression valueExpression; 14 | 15 | public AbstractMatchCase(VariableExpression parameterExpression, Expression valueExpression) { 16 | this.parameterExpression = parameterExpression; 17 | this.valueExpression = valueExpression; 18 | } 19 | 20 | @Override 21 | public int getPriority() { 22 | return 0; 23 | } 24 | 25 | @Override 26 | public abstract Expression getConditionExpression(); 27 | 28 | @Override 29 | public Statement getCaseStatement() { 30 | return returnS(valueExpression); 31 | } 32 | } 33 | -------------------------------------------------------------------------------- /src/main/java/ru/trylogic/groovy/pattern/matcher/cases/AnyCase.java: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.pattern.matcher.cases; 2 | 3 | import org.codehaus.groovy.ast.expr.Expression; 4 | import org.codehaus.groovy.ast.expr.VariableExpression; 5 | 6 | import static org.codehaus.groovy.ast.tools.GeneralUtils.*; 7 | 8 | public class AnyCase extends AbstractMatchCase { 9 | public AnyCase(VariableExpression parameterExpression, Expression valueExpression) { 10 | super(parameterExpression, valueExpression); 11 | } 12 | 13 | @Override 14 | public int getPriority() { 15 | return Integer.MAX_VALUE; 16 | } 17 | 18 | @Override 19 | public Expression getConditionExpression() { 20 | return constX(true); 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /src/main/java/ru/trylogic/groovy/pattern/matcher/cases/ClassCase.java: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.pattern.matcher.cases; 2 | 3 | import org.codehaus.groovy.ast.expr.ClassExpression; 4 | import org.codehaus.groovy.ast.expr.Expression; 5 | import org.codehaus.groovy.ast.expr.VariableExpression; 6 | 7 | import static org.codehaus.groovy.ast.tools.GeneralUtils.*; 8 | 9 | public class ClassCase extends EqCase { 10 | 11 | private final ClassExpression classExpression; 12 | 13 | public ClassCase(VariableExpression parameterExpression, ClassExpression classExpression, Expression valueExpression) { 14 | super(parameterExpression, classExpression, valueExpression); 15 | 16 | this.classExpression = classExpression; 17 | } 18 | 19 | @Override 20 | public Expression getConditionExpression() { 21 | return andX( 22 | notNullX(parameterExpression), 23 | orX( 24 | super.getConditionExpression(), 25 | eqX(callX(parameterExpression, "getClass"), classExpression) 26 | ) 27 | ); 28 | } 29 | } 30 | -------------------------------------------------------------------------------- /src/main/java/ru/trylogic/groovy/pattern/matcher/cases/ClosureCase.java: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.pattern.matcher.cases; 2 | 3 | import org.codehaus.groovy.ast.expr.ClosureExpression; 4 | import org.codehaus.groovy.ast.expr.Expression; 5 | import org.codehaus.groovy.ast.expr.VariableExpression; 6 | 7 | import static org.codehaus.groovy.ast.tools.GeneralUtils.callX; 8 | 9 | public class ClosureCase extends AbstractMatchCase { 10 | 11 | protected final ClosureExpression closureExpression; 12 | 13 | public ClosureCase(VariableExpression parameterExpression, ClosureExpression closureExpression, Expression valueExpression) { 14 | super(parameterExpression, valueExpression); 15 | this.closureExpression = closureExpression; 16 | } 17 | 18 | @Override 19 | public Expression getConditionExpression() { 20 | return callX(closureExpression, "call", parameterExpression); 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /src/main/java/ru/trylogic/groovy/pattern/matcher/cases/EqCase.java: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.pattern.matcher.cases; 2 | 3 | import org.codehaus.groovy.ast.expr.Expression; 4 | import org.codehaus.groovy.ast.expr.VariableExpression; 5 | 6 | import static org.codehaus.groovy.ast.tools.GeneralUtils.eqX; 7 | 8 | public class EqCase extends AbstractMatchCase { 9 | 10 | protected final Expression expression; 11 | 12 | public EqCase(VariableExpression parameterExpression, Expression expression, Expression valueExpression) { 13 | super(parameterExpression, valueExpression); 14 | 15 | this.expression = expression; 16 | } 17 | 18 | @Override 19 | public Expression getConditionExpression() { 20 | return eqX(parameterExpression, expression); 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /src/main/java/ru/trylogic/groovy/pattern/matcher/cases/MatchCase.java: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.pattern.matcher.cases; 2 | 3 | import org.codehaus.groovy.ast.expr.Expression; 4 | import org.codehaus.groovy.ast.stmt.Statement; 5 | 6 | public interface MatchCase { 7 | 8 | Expression getConditionExpression(); 9 | 10 | Statement getCaseStatement(); 11 | 12 | int getPriority(); 13 | } 14 | -------------------------------------------------------------------------------- /src/main/java/ru/trylogic/groovy/pattern/matcher/cases/MultiCase.java: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.pattern.matcher.cases; 2 | 3 | import org.codehaus.groovy.ast.expr.BinaryExpression; 4 | import org.codehaus.groovy.ast.expr.Expression; 5 | import org.codehaus.groovy.ast.expr.VariableExpression; 6 | import org.codehaus.groovy.syntax.Types; 7 | import ru.trylogic.groovy.pattern.matcher.MatchCaseFactory; 8 | 9 | import static org.codehaus.groovy.ast.tools.GeneralUtils.orX; 10 | 11 | public class MultiCase extends AbstractMatchCase { 12 | 13 | protected final VariableExpression parameterExpression; 14 | 15 | protected final BinaryExpression expression; 16 | 17 | protected final MatchCaseFactory matchCaseFactory; 18 | 19 | public MultiCase(VariableExpression parameterExpression, BinaryExpression expression, MatchCaseFactory matchCaseFactory, Expression valueExpression) { 20 | super(parameterExpression, valueExpression); 21 | this.parameterExpression = parameterExpression; 22 | this.expression = expression; 23 | this.matchCaseFactory = matchCaseFactory; 24 | 25 | if (!expression.getOperation().isA(Types.BITWISE_OR)) { 26 | throw new IllegalArgumentException("MultiCaseMatcher variants should be divided by |"); 27 | } 28 | } 29 | 30 | @Override 31 | public Expression getConditionExpression() { 32 | return orX( 33 | matchCaseFactory.getCaseConditionProvider(parameterExpression, expression.getLeftExpression(), valueExpression).getConditionExpression(), 34 | matchCaseFactory.getCaseConditionProvider(parameterExpression, expression.getRightExpression(), valueExpression).getConditionExpression() 35 | ); 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /src/main/java/ru/trylogic/groovy/pattern/matcher/cases/RangeCase.java: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.pattern.matcher.cases; 2 | 3 | import org.codehaus.groovy.ast.expr.Expression; 4 | import org.codehaus.groovy.ast.expr.RangeExpression; 5 | import org.codehaus.groovy.ast.expr.VariableExpression; 6 | 7 | import static org.codehaus.groovy.ast.tools.GeneralUtils.callX; 8 | 9 | public class RangeCase extends AbstractMatchCase { 10 | 11 | protected final RangeExpression rangeException; 12 | 13 | public RangeCase(VariableExpression parameterExpression, RangeExpression rangeException, Expression valueExpression) { 14 | super(parameterExpression, valueExpression); 15 | this.rangeException = rangeException; 16 | } 17 | 18 | @Override 19 | public Expression getConditionExpression() { 20 | return callX(rangeException, "contains", parameterExpression); 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /src/main/resources/META-INF/services/org.codehaus.groovy.runtime.ExtensionModule: -------------------------------------------------------------------------------- 1 | moduleName=pattern-matching 2 | moduleVersion=1.0 3 | extensionClasses=ru.trylogic.groovy.pattern.PatternMatchingMacroMethods 4 | -------------------------------------------------------------------------------- /src/test/groovy/ru/trylogic/groovy/pattern/PatternMatchingMacroMethodsTest.groovy: -------------------------------------------------------------------------------- 1 | package ru.trylogic.groovy.pattern 2 | 3 | import groovy.transform.NotYetImplemented 4 | 5 | class PatternMatchingMacroMethodsTest extends GroovyTestCase { 6 | 7 | public void testMatchFact() { 8 | assertScript ''' 9 | def fact(num) { 10 | return match(num) { 11 | String >> fact(num.toInteger()) 12 | (0 | 1) >> 1 13 | 2 >> 2 14 | _ >> _ * fact(_ - 1) 15 | } 16 | } 17 | 18 | assert fact("5") == 120 19 | ''' 20 | } 21 | 22 | public void testMatchVariable() { 23 | assertScript ''' 24 | def matcher(num) { 25 | return match(num) { 26 | (1 | 2 | 3) >> _ * _ 27 | _ >> _ 28 | } 29 | } 30 | 31 | assert matcher(1) == 1 32 | assert matcher(2) == 4 33 | assert matcher(3) == 9 34 | assert matcher(10) == 10 35 | ''' 36 | } 37 | 38 | public void testCascadeMatch() { 39 | assertScript ''' 40 | def matcher(num) { 41 | return match(num) { 42 | (1 | 2 | 3) >> _ * _ 43 | _ >> match(_) { 44 | 4 >> 10 45 | _ >> _ 46 | } 47 | } 48 | } 49 | 50 | assert matcher(1) == 1 51 | assert matcher(2) == 4 52 | assert matcher(3) == 9 53 | assert matcher(4) == 10 54 | assert matcher(10) == 10 55 | ''' 56 | } 57 | 58 | public void testMultiMatch() { 59 | assertScript ''' 60 | def matcher(int num) { 61 | return match(num) { 62 | (0 | 1 | 2 | 3) >> 1 63 | (4 | 5) >> 2 64 | _ >> 3 65 | } 66 | } 67 | 68 | assert matcher(0) == 1 69 | assert matcher(1) == 1 70 | assert matcher(2) == 1 71 | assert matcher(3) == 1 72 | 73 | assert matcher(4) == 2 74 | assert matcher(5) == 2 75 | 76 | assert matcher(6) == 3 77 | assert matcher(100500) == 3 78 | assert matcher(-1) == 3 79 | ''' 80 | } 81 | 82 | public void testClassMatch() { 83 | assertScript ''' 84 | def matcher(Object it) { 85 | return match(it) { 86 | (String | Integer) >> "string or integer" 87 | Date >> "date" 88 | _ >> "unknown type" 89 | } 90 | } 91 | 92 | assert matcher("") == "string or integer" 93 | assert matcher(1) == "string or integer" 94 | assert matcher(String) == "string or integer" 95 | assert matcher(new Date()) == "date" 96 | assert matcher(1L) == "unknown type" 97 | ''' 98 | } 99 | 100 | public void testRangeMatch() { 101 | assertScript ''' 102 | def matcher(int num) { 103 | return match(num) { 104 | 0..3 >> 1 105 | (4 | 5) >> 2 106 | _ >> 3 107 | } 108 | } 109 | 110 | assert matcher(0) == 1 111 | assert matcher(1) == 1 112 | assert matcher(2) == 1 113 | assert matcher(3) == 1 114 | 115 | assert matcher(4) == 2 116 | assert matcher(5) == 2 117 | 118 | assert matcher(6) == 3 119 | assert matcher(100500) == 3 120 | assert matcher(-1) == 3 121 | ''' 122 | } 123 | 124 | public void testClosureMatch() { 125 | assertScript ''' 126 | def matcher(Date date) { 127 | return date.match { 128 | { _ -> _.after(new Date("2007/1/2")) } >> "after Groovy" 129 | _ >> "before Groovy" 130 | } 131 | } 132 | 133 | assert matcher(new Date(0)) == "before Groovy" 134 | assert matcher(new Date()) == "after Groovy" 135 | ''' 136 | } 137 | 138 | public void testClosureMatchInClosure() { 139 | assertScript ''' 140 | def matcher = { Date date -> 141 | return date.match { 142 | { _ -> _.after(new Date("2007/1/2")) } >> "after Groovy" 143 | _ >> "before Groovy" 144 | } 145 | } 146 | 147 | assert matcher(new Date(0)) == "before Groovy" 148 | assert matcher(new Date()) == "after Groovy" 149 | ''' 150 | } 151 | } 152 | --------------------------------------------------------------------------------