Introduce live templates for main without arguments #KT-27461 Fixed

idea/idea-analysis/src/org/jetbrains/kotlin/idea/project/Platform.kt

@@ -24,6 +24,7 @@ import com.intellij.openapi.roots.ProjectFileIndex
 import com.intellij.openapi.roots.ProjectRootModificationTracker
 import com.intellij.openapi.util.Key
 import com.intellij.openapi.util.io.FileUtil
+import com.intellij.psi.PsiElement
 import com.intellij.psi.util.CachedValue
 import com.intellij.psi.util.CachedValueProvider
 import com.intellij.psi.util.CachedValuesManager
@@ -248,7 +249,7 @@ fun MutableMap<LanguageFeature, LanguageFeature.State>.configureMultiplatformSup
 }
 
 
-val KtElement.languageVersionSettings: LanguageVersionSettings
+val PsiElement.languageVersionSettings: LanguageVersionSettings
     get() {
         if (ServiceManager.getService(project, ProjectFileIndex::class.java) == null) {
             return LanguageVersionSettingsImpl.DEFAULT

idea/idea-live-templates/src/org/jetbrains/kotlin/idea/liveTemplates/macro/KotlinMainArgumentsMacro.kt

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.idea.liveTemplates.macro
+
+import com.intellij.codeInsight.template.Expression
+import com.intellij.codeInsight.template.ExpressionContext
+import com.intellij.codeInsight.template.Result
+import com.intellij.codeInsight.template.TextResult
+import org.jetbrains.kotlin.config.LanguageFeature
+import org.jetbrains.kotlin.idea.project.languageVersionSettings
+
+class KotlinMainArgumentsMacro : KotlinMacro() {
+    override fun getName() = "kotlinMainArguments"
+    override fun getPresentableName() = "kotlinMainArguments()"
+
+    override fun calculateResult(params: Array<Expression>, context: ExpressionContext): Result? {
+        val languageVersionSettings = context.psiElementAtStartOffset?.languageVersionSettings ?: return null
+        if (languageVersionSettings.supportsFeature(LanguageFeature.ExtendedMainConvention)) return TextResult("")
+        return TextResult("args: Array<String>")
+    }
+}

idea/idea-live-templates/testData/main.exp.kt

@@ -1,3 +1,3 @@
-fun main(args: Array<String>) {
+fun main() {
     <caret>
 }

idea/idea-live-templates/testData/maina.exp.kt

@@ -0,0 +1,3 @@
+fun main(args: Array<String>) {
+    <caret>
+}

idea/idea-live-templates/testData/maina.kt

@@ -0,0 +1 @@
+<caret>

idea/idea-live-templates/tests/org/jetbrains/kotlin/idea/liveTemplates/LiveTemplatesTest.kt

@@ -72,6 +72,10 @@ class LiveTemplatesTest : KotlinLightCodeInsightFixtureTestCase() {
         paremeterless()
     }
 
+    fun testMaina() {
+        paremeterless()
+    }
+
     fun testSoutv() {
         start()
 

idea/resources/liveTemplates/Kotlin.xml

@@ -2,6 +2,15 @@
 <templateSet group="Kotlin">
     <template resource-bundle="org.jetbrains.kotlin.idea.KotlinBundle" key="livetemplate.description.main"
               name="main" toReformat="true" toShortenFQNames="true"
+              value="fun main($ARGS$) {&#10;  $END$&#10;}">
+        <variable name="ARGS" expression="kotlinMainArguments()" defaultValue="" alwaysStopAt="false" />
+        <context>
+            <option name="KOTLIN_TOPLEVEL" value="true" />
+        </context>
+    </template>
+
+    <template resource-bundle="org.jetbrains.kotlin.idea.KotlinBundle" key="livetemplate.description.main"
+              name="maina" toReformat="true" toShortenFQNames="true"
               value="fun main(args: Array&lt;String&gt;) {&#10;  $END$&#10;}">
         <context>
             <option name="KOTLIN_TOPLEVEL" value="true" />
@@ -209,6 +218,15 @@
     <!-- Synonym for main -->
     <template resource-bundle="org.jetbrains.kotlin.idea.KotlinBundle" key="livetemplate.description.main"
               name="psvm" toReformat="true" toShortenFQNames="true"
+              value="fun main($ARGS$) {&#10;  $END$&#10;}">
+        <variable name="ARGS" expression="kotlinMainArguments()" defaultValue="" alwaysStopAt="false" />
+        <context>
+            <option name="KOTLIN_TOPLEVEL" value="true" />
+        </context>
+    </template>
+
+    <template resource-bundle="org.jetbrains.kotlin.idea.KotlinBundle" key="livetemplate.description.main"
+              name="psvma" toReformat="true" toShortenFQNames="true"
               value="fun main(args: Array&lt;String&gt;) {&#10;  $END$&#10;}">
         <context>
             <option name="KOTLIN_TOPLEVEL" value="true" />

idea/src/META-INF/plugin.xml

@@ -605,6 +605,7 @@ The Kotlin plugin provides language support in IntelliJ IDEA and Android Studio.
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinClassNameMacro"/>
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinFunctionNameMacro"/>
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinPackageNameMacro"/>
+    <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinMainArgumentsMacro"/>
     <liveTemplateOptionalProcessor implementation="org.jetbrains.kotlin.idea.liveTemplates.KotlinShortenFQNamesProcessor"/>
 
     <annotator language="kotlin" implementationClass="org.jetbrains.kotlin.idea.highlighter.KotlinPsiCheckerAndHighlightingUpdater"/>

idea/src/META-INF/plugin.xml.173

@@ -603,6 +603,7 @@ The Kotlin plugin provides language support in IntelliJ IDEA and Android Studio.
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinClassNameMacro"/>
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinFunctionNameMacro"/>
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinPackageNameMacro"/>
+    <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinMainArgumentsMacro"/>
     <liveTemplateOptionalProcessor implementation="org.jetbrains.kotlin.idea.liveTemplates.KotlinShortenFQNamesProcessor"/>
 
     <annotator language="kotlin" implementationClass="org.jetbrains.kotlin.idea.highlighter.KotlinPsiCheckerAndHighlightingUpdater"/>

idea/src/META-INF/plugin.xml.181

@@ -604,6 +604,7 @@ The Kotlin plugin provides language support in IntelliJ IDEA and Android Studio.
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinClassNameMacro"/>
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinFunctionNameMacro"/>
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinPackageNameMacro"/>
+    <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinMainArgumentsMacro"/>
     <liveTemplateOptionalProcessor implementation="org.jetbrains.kotlin.idea.liveTemplates.KotlinShortenFQNamesProcessor"/>
 
     <annotator language="kotlin" implementationClass="org.jetbrains.kotlin.idea.highlighter.KotlinPsiCheckerAndHighlightingUpdater"/>

idea/src/META-INF/plugin.xml.183

@@ -605,6 +605,7 @@ The Kotlin plugin provides language support in IntelliJ IDEA and Android Studio.
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinClassNameMacro"/>
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinFunctionNameMacro"/>
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinPackageNameMacro"/>
+    <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinMainArgumentsMacro"/>
     <liveTemplateOptionalProcessor implementation="org.jetbrains.kotlin.idea.liveTemplates.KotlinShortenFQNamesProcessor"/>
 
     <annotator language="kotlin" implementationClass="org.jetbrains.kotlin.idea.highlighter.KotlinPsiCheckerAndHighlightingUpdater"/>

idea/src/META-INF/plugin.xml.as31

@@ -603,6 +603,7 @@ The Kotlin plugin provides language support in IntelliJ IDEA and Android Studio.
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinClassNameMacro"/>
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinFunctionNameMacro"/>
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinPackageNameMacro"/>
+    <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinMainArgumentsMacro"/>
     <liveTemplateOptionalProcessor implementation="org.jetbrains.kotlin.idea.liveTemplates.KotlinShortenFQNamesProcessor"/>
 
     <annotator language="kotlin" implementationClass="org.jetbrains.kotlin.idea.highlighter.KotlinPsiCheckerAndHighlightingUpdater"/>

idea/src/META-INF/plugin.xml.as32

@@ -603,6 +603,7 @@ The Kotlin plugin provides language support in IntelliJ IDEA and Android Studio.
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinClassNameMacro"/>
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinFunctionNameMacro"/>
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinPackageNameMacro"/>
+    <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinMainArgumentsMacro"/>
     <liveTemplateOptionalProcessor implementation="org.jetbrains.kotlin.idea.liveTemplates.KotlinShortenFQNamesProcessor"/>
 
     <annotator language="kotlin" implementationClass="org.jetbrains.kotlin.idea.highlighter.KotlinPsiCheckerAndHighlightingUpdater"/>

idea/src/META-INF/plugin.xml.as33

@@ -604,6 +604,7 @@ The Kotlin plugin provides language support in IntelliJ IDEA and Android Studio.
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinClassNameMacro"/>
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinFunctionNameMacro"/>
     <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinPackageNameMacro"/>
+    <liveTemplateMacro implementation="org.jetbrains.kotlin.idea.liveTemplates.macro.KotlinMainArgumentsMacro"/>
     <liveTemplateOptionalProcessor implementation="org.jetbrains.kotlin.idea.liveTemplates.KotlinShortenFQNamesProcessor"/>
 
     <annotator language="kotlin" implementationClass="org.jetbrains.kotlin.idea.highlighter.KotlinPsiCheckerAndHighlightingUpdater"/>