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Merge pull request #61 from pontem-network/1.16.0
1.16.0
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| package org.move.ide | ||
|
|
||
| import com.intellij.lang.Language | ||
| import com.intellij.psi.PsiElement | ||
| import com.intellij.ui.breadcrumbs.BreadcrumbsProvider | ||
| import org.move.lang.MoveLanguage | ||
| import org.move.lang.core.psi.* | ||
|
|
||
| class MvBreadcrumbsProvider : BreadcrumbsProvider { | ||
|
|
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| private interface MvElementHandler<T : MvElement> { | ||
| fun accepts(e: PsiElement): Boolean | ||
| fun elementInfo(e: T): String | ||
| } | ||
|
|
||
| private val handlers = listOf<MvElementHandler<*>>( | ||
| MvModuleHandler, | ||
| MvFunctionHandler, | ||
| MvIfHandler, | ||
| MvElseHandler, | ||
| MvWhileHandler, | ||
| MvBlockHandler, | ||
| MvNamedHandler, | ||
| ) | ||
|
|
||
| private object MvNamedHandler : MvElementHandler<MvNamedElement> { | ||
| override fun accepts(e: PsiElement): Boolean = e is MvNamedElement | ||
|
|
||
| override fun elementInfo(e: MvNamedElement): String = e.name.let { "$it" } | ||
| } | ||
|
|
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| private object MvModuleHandler : MvElementHandler<MvModule> { | ||
| override fun accepts(e: PsiElement): Boolean = e is MvModule | ||
|
|
||
| override fun elementInfo(e: MvModule): String = e.fqName | ||
| } | ||
|
|
||
| private object MvFunctionHandler : MvElementHandler<MvFunction> { | ||
| override fun accepts(e: PsiElement): Boolean = e is MvFunction | ||
|
|
||
| override fun elementInfo(e: MvFunction): String = e.name.let { "$it()" } | ||
| } | ||
|
|
||
| private object MvBlockHandler : MvElementHandler<MvCodeBlock> { | ||
| override fun accepts(e: PsiElement): Boolean = e is MvCodeBlock | ||
|
|
||
| override fun elementInfo(e: MvCodeBlock): String = "{...}" | ||
| } | ||
|
|
||
| private object MvIfHandler : MvElementHandler<MvIfExpr> { | ||
| override fun accepts(e: PsiElement): Boolean = e is MvIfExpr | ||
|
|
||
| override fun elementInfo(e: MvIfExpr): String { | ||
| return buildString { | ||
| append("if") | ||
|
|
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| val condition = e.condition | ||
| if (condition != null) { | ||
| if (condition.expr is MvCodeBlock) { | ||
| append(" {...}") | ||
| } else { | ||
| append(' ').append(condition.text.truncate(TextKind.INFO)) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private object MvElseHandler : MvElementHandler<MvElseBlock> { | ||
| override fun accepts(e: PsiElement): Boolean = e is MvElseBlock | ||
|
|
||
| override fun elementInfo(e: MvElseBlock): String = "else" | ||
| } | ||
|
|
||
| private object MvWhileHandler : MvElementHandler<MvWhileExpr> { | ||
| override fun accepts(e: PsiElement): Boolean = e is MvWhileExpr | ||
|
|
||
| override fun elementInfo(e: MvWhileExpr): String { | ||
| return buildString { | ||
| append("while") | ||
|
|
||
| val condition = e.condition | ||
| if (condition != null) { | ||
| if (condition.expr is MvCodeBlock) { | ||
| append(" {...}") | ||
| } else { | ||
| append(' ').append(condition.text.truncate(TextKind.INFO)) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @Suppress("UNCHECKED_CAST") | ||
| private fun handler(e: PsiElement): MvElementHandler<in MvElement>? { | ||
| return if (e is MvElement) | ||
| handlers.firstOrNull { it.accepts(e) } as MvElementHandler<in MvElement>? | ||
| else null | ||
| } | ||
|
|
||
| override fun getLanguages(): Array<Language> = LANGUAGES | ||
|
|
||
| override fun acceptElement(e: PsiElement): Boolean = handler(e) != null | ||
|
|
||
| override fun getElementInfo(e: PsiElement): String = handler(e)!!.elementInfo(e as MvElement) | ||
|
|
||
| override fun getElementTooltip(e: PsiElement): String? = null | ||
|
|
||
| companion object { | ||
| @Suppress("unused") | ||
| private enum class TextKind(val maxTextLength: Int) { | ||
| INFO(16), | ||
| TOOLTIP(100) | ||
| } | ||
|
|
||
| private val LANGUAGES: Array<Language> = arrayOf(MoveLanguage) | ||
|
|
||
| const val ellipsis = "${Typography.ellipsis}" | ||
|
|
||
| private fun String.truncate(kind: TextKind): String { | ||
| val maxLength = kind.maxTextLength | ||
| return if (length > maxLength) | ||
| "${substring(0, maxLength - ellipsis.length)}$ellipsis" | ||
| else this | ||
| } | ||
| } | ||
| } |
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