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refactor(java): refactor Java toolchain provider and related classes #14
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74 changes: 74 additions & 0 deletions
74
...src/main/kotlin/com/phodal/shirelang/java/variable/provider/JavaRelatedClassesProvider.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| package com.phodal.shirelang.java.variable.provider | ||
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| import com.intellij.openapi.roots.ProjectFileIndex | ||
| import com.intellij.psi.* | ||
| import com.intellij.psi.util.PsiTreeUtil | ||
| import com.intellij.psi.util.PsiUtil | ||
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| class JavaRelatedClassesProvider { | ||
| fun lookup(method: PsiMethod): List<PsiClass> { | ||
| val relatedClasses = findRelatedClasses(method) | ||
| val cleanedUpClasses = relatedClasses.flatMap { findSuperClasses(it) }.map { cleanUp(it) } | ||
| return cleanedUpClasses.toList() | ||
| } | ||
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| fun cleanUp(psiClass: PsiClass): PsiClass { | ||
| val psiElement = psiClass.copy() as PsiClass | ||
| psiElement.containingFile.setName(psiClass.containingFile.name) | ||
| val members = PsiTreeUtil.findChildrenOfType(psiElement, PsiMember::class.java) | ||
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| for (element in members) { | ||
| if (element is PsiMethod) { | ||
| element.body?.delete() | ||
| element.docComment?.delete() | ||
| } | ||
| } | ||
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| val removableMembers = members.filter { canBeRemoved(it) } | ||
| removableMembers.forEach { it.delete() } | ||
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| psiElement.docComment?.delete() | ||
| return psiElement | ||
| } | ||
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| private fun findSuperClasses(psiClass: PsiClass): List<PsiClass> { | ||
| val superClass = psiClass.superClass ?: return emptyList() | ||
| if (isProjectContent(superClass)) { | ||
| return listOf(psiClass.superClass!!, psiClass) | ||
| } | ||
|
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| if (isProjectContent(psiClass)) { | ||
| return listOf(psiClass) | ||
| } | ||
|
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| return emptyList() | ||
| } | ||
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| private fun canBeRemoved(member: PsiMember): Boolean { | ||
| val modifierList = member.modifierList | ||
| if (modifierList?.hasModifierProperty("public") != true) { | ||
| val annotations = member.annotations | ||
| if (annotations.isEmpty()) { | ||
| return true | ||
| } | ||
| } | ||
|
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| return false | ||
| } | ||
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| private fun findRelatedClasses(method: PsiMethod): List<PsiClass> { | ||
| val parameters = method.parameterList.parameters | ||
| val parameterTypes = parameters.map { it.type } | ||
| val genericTypes = parameters.flatMap { (it.type as? PsiClassType)?.parameters?.toList() ?: emptyList() } | ||
| val mentionedTypes = parameterTypes + method.returnType + genericTypes | ||
| val relatedTypes = mentionedTypes.filterIsInstance<PsiClassType>() | ||
| val resolvedClasses = relatedTypes.mapNotNull { it.resolve() } | ||
| val projectContentClasses = resolvedClasses.filter { isProjectContent(it) } | ||
| return projectContentClasses.toList() | ||
| } | ||
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| fun isProjectContent(element: PsiElement): Boolean { | ||
| val virtualFile = PsiUtil.getVirtualFile(element) | ||
| return virtualFile == null || ProjectFileIndex.getInstance(element.project).isInContent(virtualFile) | ||
| } | ||
| } |
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