CommandLineProcessor infrastructure added

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/CommonCompilerArguments.java

@@ -23,6 +23,8 @@ import org.jetbrains.annotations.NotNull;
 import java.util.List;
 
 public abstract class CommonCompilerArguments {
+    public static final String PLUGIN_OPTION_FORMAT = "<pluginId>:<optionName>=<value>";
+
     @Argument(value = "nowarn", description = "Generate no warnings")
     public boolean suppressWarnings;
 
@@ -41,6 +43,14 @@ public abstract class CommonCompilerArguments {
     @Argument(value = "Xno-inline", description = "Disable method inlining")
     public boolean noInline;
 
+    @Argument(value = "Xplugin", description = "Load a plugin from the given classpath")
+    @ValueDescription("<path>")
+    public String[] pluginClasspaths;
+
+    @Argument(value = "P", description = "Pass an option to a plugin")
+    @ValueDescription(PLUGIN_OPTION_FORMAT)
+    public String[] pluginOptions;
+
     public List<String> freeArgs = new SmartList<String>();
 
     @NotNull

compiler/cli/src/org/jetbrains/jet/cli/jvm/PluginCliParser.kt

@@ -0,0 +1,109 @@
+/*
+ * Copyright 2010-2014 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.jet.cli.jvm
+
+import org.jetbrains.kotlin.compiler.plugin.CommandLineProcessor
+import org.jetbrains.jet.cli.common.arguments.CommonCompilerArguments
+import kotlin.platform.*
+import java.util.jar.JarFile
+import java.util.jar.Attributes
+import org.jetbrains.kotlin.compiler.plugin.CliOptionProcessingException
+import java.util.regex.Pattern
+import org.jetbrains.jet.utils.valuesToMap
+import org.jetbrains.jet.config.CompilerConfiguration
+import com.intellij.util.containers.MultiMap
+import org.jetbrains.kotlin.compiler.plugin.CliOption
+
+public object PluginCliParser {
+
+    public val PLUGIN_ARGUMENT_PREFIX: String = "plugin:"
+
+    private fun getCommandLineProcessors(arguments: CommonCompilerArguments): Collection<CommandLineProcessor> {
+        return arguments.pluginClasspaths!!.map {
+            loadCommandLineProcessor(JarFile(it).getManifest()?.getAttributes("org.jetbrains.kotlin.compiler.plugin"))
+        }.filterNotNull()
+    }
+
+    private fun loadCommandLineProcessor(attributes: Attributes?): CommandLineProcessor? {
+        if (attributes == null) return null
+
+        val processorClassName = attributes.getValue("CommandLineProcessor")
+        if (processorClassName == null) return null
+
+        try {
+            val processorClass = Class.forName(processorClassName)
+            return processorClass.newInstance() as CommandLineProcessor
+        }
+        catch (e: Throwable) {
+            throw CliOptionProcessingException("Loading plugin component failed: $processorClassName", e)
+        }
+    }
+
+    [platformStatic]
+    fun processPluginOptions(arguments: CommonCompilerArguments, configuration: CompilerConfiguration) {
+        val optionValuesByPlugin = arguments.pluginOptions!!.map { parsePluginOption(it) }.groupBy {
+            if (it == null) throw CliOptionProcessingException("Wrong plugin option format: $it, should be ${CommonCompilerArguments.PLUGIN_OPTION_FORMAT}")
+            it.optionName
+        }
+
+        val processors = getCommandLineProcessors(arguments)
+        for (processor in processors) {
+            val declaredOptions = processor.pluginOptions.valuesToMap { it.name }
+            val optionsToValues = MultiMap<CliOption, PluginOptionValue>()
+
+            for (optionValue in optionValuesByPlugin[processor.pluginId].orEmpty()) {
+                val option = declaredOptions[optionValue!!.optionName]
+                if (option == null) {
+                    throw CliOptionProcessingException("Unsupported plugin option: $optionValue")
+                }
+                optionsToValues.putValue(option, optionValue)
+            }
+
+            for (option in processor.pluginOptions) {
+                val values = optionsToValues[option]
+                if (option.required && values.isEmpty()) {
+                    throw CliOptionProcessingException("Required plugin option not present: ${processor.pluginId}:${option.name}")
+                }
+                if (!option.allowMultipleOccurrences && values.size() > 1) {
+                    throw CliOptionProcessingException("Multiple values not allowed for plugin option ${processor.pluginId}:${option.name}")
+                }
+
+                for (value in values) {
+                    processor.processOption(option, value.value, configuration)
+                }
+            }
+        }
+    }
+
+    private class PluginOptionValue(
+            val pluginId: String,
+            val optionName: String,
+            val value: String
+    ) {
+        override fun toString() = "$pluginId:$optionName=$value"
+    }
+
+    private fun parsePluginOption(argumentValue: String): PluginOptionValue? {
+        val pattern = Pattern.compile("""^([^:]*):([^=]*)=(.*)$""")
+        val matcher = pattern.matcher(argumentValue)
+        if (matcher.matches()) {
+            return PluginOptionValue(matcher.group(1)!!, matcher.group(2)!!, matcher.group(3)!!)
+        }
+
+        return null
+    }
+}

compiler/cli/src/org/jetbrains/kotlin/cli/jvm/K2JVMCompiler.java

@@ -20,6 +20,7 @@ import com.google.common.base.Splitter;
 import com.google.common.collect.Lists;
 import com.intellij.openapi.Disposable;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.jet.cli.jvm.PluginCliParser;
 import org.jetbrains.kotlin.cli.common.CLICompiler;
 import org.jetbrains.kotlin.cli.common.CLIConfigurationKeys;
 import org.jetbrains.kotlin.cli.common.ExitCode;
@@ -29,6 +30,7 @@ import org.jetbrains.kotlin.cli.common.modules.ModuleScriptData;
 import org.jetbrains.kotlin.cli.jvm.compiler.*;
 import org.jetbrains.kotlin.cli.jvm.repl.ReplFromTerminal;
 import org.jetbrains.kotlin.codegen.CompilationException;
+import org.jetbrains.kotlin.compiler.plugin.CliOptionProcessingException;
 import org.jetbrains.kotlin.config.CommonConfigurationKeys;
 import org.jetbrains.kotlin.config.CompilerConfiguration;
 import org.jetbrains.kotlin.config.Services;
@@ -90,12 +92,13 @@ public class K2JVMCompiler extends CLICompiler<K2JVMCompilerArguments> {
             return INTERNAL_ERROR;
         }
 
-        if (arguments.androidRes != null) {
-            configuration.put(JVMConfigurationKeys.ANDROID_RES_PATH, arguments.androidRes);
+        try {
+            PluginCliParser.processPluginOptions(arguments, configuration);
         }
-
-        if (arguments.androidManifest != null) {
-            configuration.put(JVMConfigurationKeys.ANDROID_MANIFEST, arguments.androidManifest);
+        catch (CliOptionProcessingException e) {
+            // TODO Print usage?
+            messageCollector.report(CompilerMessageSeverity.ERROR, e.getMessage(), CompilerMessageLocation.NO_LOCATION);
+            return INTERNAL_ERROR;
         }
 
         if (arguments.script) {

compiler/plugin-api/plugin-api.iml

@@ -8,6 +8,7 @@
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" exported="" name="intellij-core" level="project" />
+    <orderEntry type="library" name="kotlin-runtime" level="project" />
   </component>
 </module>
 

compiler/plugin-api/src/org/jetbrains/kotlin/compiler/plugin/CommandLineProcessor.kt

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2010-2014 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.compiler.plugin
+
+import org.jetbrains.jet.config.CompilerConfiguration
+
+public class CliOption(
+        public val name: String,
+        public val valueDescription: String,
+        public val description: String,
+        public val required: Boolean = true,
+        public val allowMultipleOccurrences: Boolean = false
+)
+
+public class CliOptionProcessingException(message: String, cause: Throwable? = null): RuntimeException(message, cause)
+
+public trait CommandLineProcessor {
+    public val pluginId: String
+    public val pluginOptions: Collection<CliOption>
+
+    [throws(javaClass<CliOptionProcessingException>())]
+    public fun processOption(option: CliOption, value: String, configuration: CompilerConfiguration)
+}