feat(selector): support not exp, method invoke, type check, object type

app/src/main/kotlin/li/songe/gkd/data/RawSubscription.kt

@@ -398,7 +398,14 @@ data class RawSubscription(
                 listOfNotNull(r.matches, r.excludeMatches, r.anyMatches).flatten()
             }.flatten()
 
-            val allSelector = allSelectorStrings.map { s -> Selector.parseOrNull(s) }
+            val allSelector = allSelectorStrings.map { s ->
+                try {
+                    Selector.parse(s)
+                } catch (e: Exception) {
+                    LogUtils.d("非法选择器", e.toString())
+                    null
+                }
+            }
 
             allSelector.forEachIndexed { i, s ->
                 if (s == null) {

app/src/main/kotlin/li/songe/gkd/data/ResolvedRule.kt

@@ -130,7 +130,7 @@ sealed class ResolvedRule(
         else -> true
     }
 
-    private val canCacheIndex = (matches + excludeMatches).any { s -> s.canCacheIndex }
+    private val canCacheIndex = (matches + excludeMatches).any { s -> s.useCache }
     private val transform = if (canCacheIndex) defaultCacheTransform.transform else defaultTransform
 
     fun query(
@@ -159,7 +159,7 @@ sealed class ResolvedRule(
             }
             return target
         } finally {
-            defaultCacheTransform.indexCache.clear()
+            defaultCacheTransform.cache.clear()
         }
     }
 

app/src/main/kotlin/li/songe/gkd/service/AbExt.kt

@@ -4,9 +4,21 @@ import android.accessibilityservice.AccessibilityService
 import android.graphics.Rect
 import android.view.accessibility.AccessibilityEvent
 import android.view.accessibility.AccessibilityNodeInfo
+import com.blankj.utilcode.util.LogUtils
+import li.songe.gkd.BuildConfig
+import li.songe.selector.MismatchExpressionTypeException
+import li.songe.selector.MismatchOperatorTypeException
+import li.songe.selector.MismatchParamTypeException
 import li.songe.selector.Selector
 import li.songe.selector.Transform
-import li.songe.selector.data.PrimitiveValue
+import li.songe.selector.UnknownIdentifierException
+import li.songe.selector.UnknownIdentifierMethodException
+import li.songe.selector.UnknownMemberException
+import li.songe.selector.UnknownMemberMethodException
+import li.songe.selector.getCharSequenceAttr
+import li.songe.selector.getCharSequenceInvoke
+import li.songe.selector.getIntInvoke
+import li.songe.selector.initDefaultTypeInfo
 
 val AccessibilityService.safeActiveWindow: AccessibilityNodeInfo?
     get() = try {
@@ -51,24 +63,13 @@ inline fun AccessibilityNodeInfo.forEachIndexed(action: (index: Int, childNode:
     }
 }
 
-/**
+fun AccessibilityNodeInfo.getChildOrNull(i: Int?): AccessibilityNodeInfo? {
- * 此方法小概率造成无限节点片段,底层原因未知
+    i ?: return null
- *
+    return if (i in 0 until childCount) {
- * https://github.com/gkd-kit/gkd/issues/28
+        getChild(i)
- */
+    } else {
-fun AccessibilityNodeInfo.getDepth(): Int {
+        null
-    var p: AccessibilityNodeInfo? = this
-    var depth = 0
-    while (true) {
-        val p2 = p?.parent
-        if (p2 != null) {
-            p = p2
-            depth++
-        } else {
-            break
-        }
     }
-    return depth
 }
 
 fun AccessibilityNodeInfo.getVid(): CharSequence? {
@@ -135,51 +136,34 @@ val getChildren: (AccessibilityNodeInfo) -> Sequence<AccessibilityNodeInfo> = {
     }
 }
 
-val allowPropertyNames by lazy {
+private val typeInfo by lazy {
-    mapOf(
+    initDefaultTypeInfo().apply {
-        "id" to PrimitiveValue.StringValue.TYPE_NAME,
+        nodeType.props = nodeType.props.filter { !it.name.startsWith('_') }.toTypedArray()
-        "vid" to PrimitiveValue.StringValue.TYPE_NAME,
+        contextType.props = contextType.props.filter { !it.name.startsWith('_') }.toTypedArray()
-
+    }.contextType
-        "name" to PrimitiveValue.StringValue.TYPE_NAME,
-        "text" to PrimitiveValue.StringValue.TYPE_NAME,
-        "text.length" to PrimitiveValue.IntValue.TYPE_NAME,
-        "desc" to PrimitiveValue.StringValue.TYPE_NAME,
-        "desc.length" to PrimitiveValue.IntValue.TYPE_NAME,
-
-        "clickable" to PrimitiveValue.BooleanValue.TYPE_NAME,
-        "focusable" to PrimitiveValue.BooleanValue.TYPE_NAME,
-        "checkable" to PrimitiveValue.BooleanValue.TYPE_NAME,
-        "checked" to PrimitiveValue.BooleanValue.TYPE_NAME,
-        "editable" to PrimitiveValue.BooleanValue.TYPE_NAME,
-        "longClickable" to PrimitiveValue.BooleanValue.TYPE_NAME,
-        "visibleToUser" to PrimitiveValue.BooleanValue.TYPE_NAME,
-
-        "left" to PrimitiveValue.IntValue.TYPE_NAME,
-        "top" to PrimitiveValue.IntValue.TYPE_NAME,
-        "right" to PrimitiveValue.IntValue.TYPE_NAME,
-        "bottom" to PrimitiveValue.IntValue.TYPE_NAME,
-        "width" to PrimitiveValue.IntValue.TYPE_NAME,
-        "height" to PrimitiveValue.IntValue.TYPE_NAME,
-
-        "index" to PrimitiveValue.IntValue.TYPE_NAME,
-        "depth" to PrimitiveValue.IntValue.TYPE_NAME,
-        "childCount" to PrimitiveValue.IntValue.TYPE_NAME,
-    )
 }
 
 fun Selector.checkSelector(): String? {
-    binaryExpressions.forEach { e ->
+    val error = checkType(typeInfo) ?: return null
-        if (!allowPropertyNames.contains(e.name)) {
+    if (BuildConfig.DEBUG) {
-            return "未知属性:${e.name}"
+        LogUtils.d(
-        }
+            "Selector check error",
-        if (e.value.type != "null" && allowPropertyNames[e.name] != e.value.type) {
+            source,
-            return "非法类型:${e.name}=${e.value.type}"
+            error.message
-        }
+        )
+    }
+    return when (error) {
+        is MismatchExpressionTypeException -> "不匹配表达式类型:${error.exception.stringify()}"
+        is MismatchOperatorTypeException -> "不匹配操作符类型:${error.exception.stringify()}"
+        is MismatchParamTypeException -> "不匹配参数类型:${error.call.stringify()}"
+        is UnknownIdentifierException -> "未知属性:${error.value.value}"
+        is UnknownIdentifierMethodException -> "未知方法:${error.value.value}"
+        is UnknownMemberException -> "未知属性:${error.value.property}"
+        is UnknownMemberMethodException -> "未知方法:${error.value.property}"
     }
-    return null
 }
 
-private fun createGetAttr(): ((AccessibilityNodeInfo, String) -> Any?) {
+private fun createGetNodeAttr(cache: NodeCache): ((AccessibilityNodeInfo, String) -> Any?) {
     var tempNode: AccessibilityNodeInfo? = null
     val tempRect = Rect()
     var tempVid: CharSequence? = null
@@ -198,6 +182,28 @@ private fun createGetAttr(): ((AccessibilityNodeInfo, String) -> Any?) {
         }
         return tempVid
     }
+
+    /**
+     * 在无缓存时, 此方法小概率造成无限节点片段,底层原因未知
+     *
+     * https://github.com/gkd-kit/gkd/issues/28
+     */
+    fun AccessibilityNodeInfo.getDepthX(): Int {
+        var p: AccessibilityNodeInfo = this
+        var depth = 0
+        while (true) {
+            val p2 = cache.parent[p] ?: p.parent.apply {
+                cache.parent[p] = this
+            }
+            if (p2 != null) {
+                p = p2
+                depth++
+            } else {
+                break
+            }
+        }
+        return depth
+    }
     return { node, name ->
         when (name) {
             "id" -> node.viewIdResourceName
@@ -226,8 +232,13 @@ private fun createGetAttr(): ((AccessibilityNodeInfo, String) -> Any?) {
             "height" -> node.getTempRect().height()
 
             "index" -> node.getIndex()
-            "depth" -> node.getDepth()
+            "depth" -> node.getDepthX()
             "childCount" -> node.childCount
+
+            "parent" -> cache.parent[node] ?: node.parent.apply {
+                cache.parent[node] = this
+            }
+
             else -> null
         }
     }
@@ -235,22 +246,43 @@ private fun createGetAttr(): ((AccessibilityNodeInfo, String) -> Any?) {
 
 data class CacheTransform(
     val transform: Transform<AccessibilityNodeInfo>,
-    val indexCache: HashMap<AccessibilityNodeInfo, Int>,
+    val cache: NodeCache,
 )
 
+data class NodeCache(
+    val child: MutableMap<Pair<AccessibilityNodeInfo, Int>, AccessibilityNodeInfo> = HashMap(),
+    val index: MutableMap<AccessibilityNodeInfo, Int> = HashMap(),
+    val parent: MutableMap<AccessibilityNodeInfo, AccessibilityNodeInfo?> = HashMap(),
+) {
+    fun clear() {
+        emptyMap<String, String>()
+        child.clear()
+        parent.clear()
+        index.clear()
+    }
+}
+
 fun createCacheTransform(): CacheTransform {
-    val indexCache = HashMap<AccessibilityNodeInfo, Int>()
+    val cache = NodeCache()
+    fun AccessibilityNodeInfo.getParentX(): AccessibilityNodeInfo? {
+        return parent?.also { parent ->
+            cache.parent[this] = parent
+        }
+    }
+
     fun AccessibilityNodeInfo.getChildX(index: Int): AccessibilityNodeInfo? {
-        return getChild(index)?.also { child ->
+        return cache.child[this to index] ?: getChild(index)?.also { child ->
-            indexCache[child] = index
+            cache.index[child] = index
+            cache.parent[child] = this
+            cache.child[this to index] = child
         }
     }
 
     fun AccessibilityNodeInfo.getIndexX(): Int {
-        indexCache[this]?.let { return it }
+        cache.index[this]?.let { return it }
-        parent?.forEachIndexed { index, child ->
+        getParentX()?.forEachIndexed { index, child ->
             if (child != null) {
-                indexCache[child] = index
+                cache.index[child] = index
             }
             if (child == this) {
                 return index
@@ -267,22 +299,60 @@ fun createCacheTransform(): CacheTransform {
             }
         }
     }
-    val getAttr = createGetAttr()
+    val getNodeAttr = createGetNodeAttr(cache)
+    val getParent = { node: AccessibilityNodeInfo ->
+        cache.parent[node] ?: node.parent.apply {
+            cache.parent[node] = this
+        }
+    }
     val transform = Transform(
         getAttr = { node, name ->
-            when (name) {
+            when (node) {
-                "index" -> {
+                is AccessibilityNodeInfo -> {
-                    node.getIndexX()
+                    when (name) {
+                        "index" -> {
+                            node.getIndexX()
+                        }
+
+                        else -> {
+                            getNodeAttr(node, name)
+                        }
+                    }
                 }
 
+                is CharSequence -> getCharSequenceAttr(node, name)
+
                 else -> {
-                    getAttr(node, name)
+                    null
                 }
             }
         },
+        getInvoke = { target, name, args ->
+            when (target) {
+                is AccessibilityNodeInfo -> when (name) {
+                    "getChild" -> {
+                        args.getIntOrNull()?.let { index ->
+                            if (index in 0 until target.childCount) {
+                                target.getChildX(index)
+                            } else {
+                                null
+                            }
+                        }
+                    }
+
+                    else -> null
+                }
+
+                is CharSequence -> getCharSequenceInvoke(target, name, args)
+                is Int -> getIntInvoke(target, name, args)
+
+                else -> null
+            }
+
+        },
         getName = { node -> node.className },
         getChildren = getChildrenCache,
-        getParent = { node -> node.parent },
+        getParent = getParent,
         getDescendants = { node ->
             sequence {
                 val stack = getChildrenCache(node).toMutableList()
@@ -319,9 +389,9 @@ fun createCacheTransform(): CacheTransform {
         },
         getBeforeBrothers = { node, connectExpression ->
             sequence {
-                val parentVal = node.parent ?: return@sequence
+                val parentVal = getParent(node) ?: return@sequence
-                val index =
+                // 如果 node 由 quickFind 得到, 则第一次调用此方法可能得到 cache.index 是空
-                    indexCache[node] // 如果 node 由 quickFind 得到, 则第一次调用此方法可能得到 indexCache 是空
+                val index = cache.index[node]
                 if (index != null) {
                     var i = index - 1
                     var offset = 0
@@ -349,9 +419,9 @@ fun createCacheTransform(): CacheTransform {
             }
         },
         getAfterBrothers = { node, connectExpression ->
-            val parentVal = node.parent
+            val parentVal = getParent(node)
             if (parentVal != null) {
-                val index = indexCache[node]
+                val index = cache.index[node]
                 if (index != null) {
                     sequence {
                         var i = index + 1
@@ -418,12 +488,41 @@ fun createCacheTransform(): CacheTransform {
         },
     )
 
-    return CacheTransform(transform, indexCache)
+    return CacheTransform(transform, cache)
+}
+
+private fun List<Any?>.getIntOrNull(i: Int = 0): Int? {
+    return getOrNull(i) as? Int ?: return null
 }
 
 fun createTransform(): Transform<AccessibilityNodeInfo> {
+    val cache = NodeCache()
+    val getNodeAttr = createGetNodeAttr(cache)
     return Transform(
-        getAttr = createGetAttr(),
+        getAttr = { target, name ->
+            when (target) {
+                is AccessibilityNodeInfo -> getNodeAttr(target, name)
+                is CharSequence -> getCharSequenceAttr(target, name)
+                else -> {
+                    null
+                }
+            }
+        },
+        getInvoke = { target, name, args ->
+            when (target) {
+                is AccessibilityNodeInfo -> when (name) {
+                    "getChild" -> {
+                        target.getChildOrNull(args.getIntOrNull())
+                    }
+
+                    else -> null
+                }
+
+                is CharSequence -> getCharSequenceInvoke(target, name, args)
+                is Int -> getIntInvoke(target, name, args)
+                else -> null
+            }
+        },
         getName = { node -> node.className },
         getChildren = getChildren,
         getParent = { node -> node.parent },

gradle/libs.versions.toml

@@ -40,8 +40,8 @@ others_floating_bubble_view = { module = "io.github.torrydo:floating-bubble-view
 androidx_appcompat = { module = "androidx.appcompat:appcompat", version = "1.7.0" }
 androidx_core_ktx = { module = "androidx.core:core-ktx", version = "1.13.1" }
 androidx_lifecycle_runtime_ktx = { module = "androidx.lifecycle:lifecycle-runtime-ktx", version = "2.8.2" }
-androidx_junit = { module = "androidx.test.ext:junit", version = "1.1.5" }
+androidx_junit = { module = "androidx.test.ext:junit", version = "1.2.1" }
-androidx_espresso = { module = "androidx.test.espresso:espresso-core", version = "3.5.1" }
+androidx_espresso = { module = "androidx.test.espresso:espresso-core", version = "3.6.1" }
 androidx_room_runtime = { module = "androidx.room:room-runtime", version.ref = "room" }
 androidx_room_compiler = { module = "androidx.room:room-compiler", version.ref = "room" }
 androidx_room_ktx = { module = "androidx.room:room-ktx", version.ref = "room" }

selector/src/commonMain/kotlin/li/songe/selector/BinaryExpression.kt

@@ -0,0 +1,27 @@
+package li.songe.selector
+
+import kotlin.js.JsExport
+
+@JsExport
+data class BinaryExpression(
+    override val start: Int,
+    override val end: Int,
+    val left: ValueExpression,
+    val operator: PositionImpl<CompareOperator>,
+    val right: ValueExpression,
+) : Expression() {
+    override fun <T> match(node: T, transform: Transform<T>): Boolean {
+        return operator.value.compare(node, transform, left, right)
+    }
+
+    override val binaryExpressions
+        get() = arrayOf(this)
+
+    override fun stringify() = "${left.stringify()}${operator.stringify()}${right.stringify()}"
+
+    val properties: Array<String>
+        get() = arrayOf(*left.properties, *right.properties)
+
+    val methods: Array<String>
+        get() = arrayOf(*left.methods, *right.methods)
+}

selector/src/commonMain/kotlin/li/songe/selector/CompareOperator.kt

@@ -0,0 +1,314 @@
+package li.songe.selector
+
+import kotlin.js.JsExport
+
+@JsExport
+sealed class CompareOperator(val key: String) : Stringify {
+    override fun stringify() = key
+
+    internal abstract fun <T> compare(
+        node: T,
+        transform: Transform<T>,
+        leftExp: ValueExpression,
+        rightExp: ValueExpression
+    ): Boolean
+
+    internal abstract fun allowType(left: ValueExpression, right: ValueExpression): Boolean
+
+    companion object {
+        // https://stackoverflow.com/questions/47648689
+        val allSubClasses by lazy {
+            listOf(
+                Equal,
+                NotEqual,
+                Start,
+                NotStart,
+                Include,
+                NotInclude,
+                End,
+                NotEnd,
+                Less,
+                LessEqual,
+                More,
+                MoreEqual,
+                Matches,
+                NotMatches
+            ).sortedBy { -it.key.length }.toTypedArray()
+        }
+
+        // example
+        // id="com.lptiyu.tanke:id/ab1"
+        // id="com.lptiyu.tanke:id/ab2"
+        private fun CharSequence.contentReversedEquals(other: CharSequence): Boolean {
+            if (this === other) return true
+            if (this.length != other.length) return false
+            for (i in this.length - 1 downTo 0) {
+                if (this[i] != other[i]) return false
+            }
+            return true
+        }
+    }
+
+    data object Equal : CompareOperator("=") {
+        override fun <T> compare(
+            node: T,
+            transform: Transform<T>,
+            leftExp: ValueExpression,
+            rightExp: ValueExpression
+        ): Boolean {
+            val left = leftExp.getAttr(node, transform)
+            val right = rightExp.getAttr(node, transform)
+            return if (left is CharSequence && right is CharSequence) {
+                left.contentReversedEquals(right)
+            } else {
+                left == right
+            }
+        }
+
+        override fun allowType(left: ValueExpression, right: ValueExpression) = true
+    }
+
+    data object NotEqual : CompareOperator("!=") {
+        override fun <T> compare(
+            node: T,
+            transform: Transform<T>,
+            leftExp: ValueExpression,
+            rightExp: ValueExpression
+        ): Boolean {
+            return !Equal.compare(node, transform, leftExp, rightExp)
+        }
+
+        override fun allowType(left: ValueExpression, right: ValueExpression) = true
+    }
+
+    data object Start : CompareOperator("^=") {
+        override fun <T> compare(
+            node: T,
+            transform: Transform<T>,
+            leftExp: ValueExpression,
+            rightExp: ValueExpression
+        ): Boolean {
+            val left = leftExp.getAttr(node, transform)
+            val right = rightExp.getAttr(node, transform)
+            return if (left is CharSequence && right is CharSequence) {
+                left.startsWith(right)
+            } else {
+                false
+            }
+        }
+
+        override fun allowType(left: ValueExpression, right: ValueExpression): Boolean {
+            return (left is ValueExpression.StringLiteral || left is ValueExpression.Variable) && (right is ValueExpression.StringLiteral || right is ValueExpression.Variable)
+        }
+    }
+
+    data object NotStart : CompareOperator("!^=") {
+        override fun <T> compare(
+            node: T,
+            transform: Transform<T>,
+            leftExp: ValueExpression,
+            rightExp: ValueExpression
+        ): Boolean {
+            val left = leftExp.getAttr(node, transform)
+            val right = rightExp.getAttr(node, transform)
+            return if (left is CharSequence && right is CharSequence) {
+                !left.startsWith(right)
+            } else {
+                false
+            }
+        }
+
+        override fun allowType(left: ValueExpression, right: ValueExpression) =
+            Start.allowType(left, right)
+    }
+
+    data object Include : CompareOperator("*=") {
+        override fun <T> compare(
+            node: T,
+            transform: Transform<T>,
+            leftExp: ValueExpression,
+            rightExp: ValueExpression
+        ): Boolean {
+            val left = leftExp.getAttr(node, transform)
+            val right = rightExp.getAttr(node, transform)
+            return if (left is CharSequence && right is CharSequence) {
+                left.contains(right)
+            } else {
+                false
+            }
+        }
+
+        override fun allowType(left: ValueExpression, right: ValueExpression) =
+            Start.allowType(left, right)
+    }
+
+    data object NotInclude : CompareOperator("!*=") {
+        override fun <T> compare(
+            node: T,
+            transform: Transform<T>,
+            leftExp: ValueExpression,
+            rightExp: ValueExpression
+        ): Boolean {
+            val left = leftExp.getAttr(node, transform)
+            val right = rightExp.getAttr(node, transform)
+            return if (left is CharSequence && right is CharSequence) {
+                !left.contains(right)
+            } else {
+                false
+            }
+        }
+
+        override fun allowType(left: ValueExpression, right: ValueExpression) =
+            Start.allowType(left, right)
+    }
+
+    data object End : CompareOperator("$=") {
+        override fun <T> compare(
+            node: T,
+            transform: Transform<T>,
+            leftExp: ValueExpression,
+            rightExp: ValueExpression
+        ): Boolean {
+            val left = leftExp.getAttr(node, transform)
+            val right = rightExp.getAttr(node, transform)
+            return if (left is CharSequence && right is CharSequence) {
+                left.endsWith(right)
+            } else {
+                false
+            }
+        }
+
+        override fun allowType(left: ValueExpression, right: ValueExpression) =
+            Start.allowType(left, right)
+    }
+
+    data object NotEnd : CompareOperator("!$=") {
+        override fun <T> compare(
+            node: T,
+            transform: Transform<T>,
+            leftExp: ValueExpression,
+            rightExp: ValueExpression
+        ): Boolean {
+            val left = leftExp.getAttr(node, transform)
+            val right = rightExp.getAttr(node, transform)
+            return if (left is CharSequence && right is CharSequence) {
+                !left.endsWith(
+                    right
+                )
+            } else {
+                false
+            }
+        }
+
+        override fun allowType(left: ValueExpression, right: ValueExpression) =
+            Start.allowType(left, right)
+    }
+
+    data object Less : CompareOperator("<") {
+        override fun <T> compare(
+            node: T,
+            transform: Transform<T>,
+            leftExp: ValueExpression,
+            rightExp: ValueExpression
+        ): Boolean {
+            val left = leftExp.getAttr(node, transform)
+            val right = rightExp.getAttr(node, transform)
+            return if (left is Int && right is Int) left < right else false
+        }
+
+
+        override fun allowType(left: ValueExpression, right: ValueExpression): Boolean {
+            return (left is ValueExpression.Variable || left is ValueExpression.IntLiteral) && (right is ValueExpression.IntLiteral || right is ValueExpression.Variable)
+        }
+    }
+
+    data object LessEqual : CompareOperator("<=") {
+        override fun <T> compare(
+            node: T,
+            transform: Transform<T>,
+            leftExp: ValueExpression,
+            rightExp: ValueExpression
+        ): Boolean {
+            val left = leftExp.getAttr(node, transform)
+            val right = rightExp.getAttr(node, transform)
+            return if (left is Int && right is Int) left <= right else false
+        }
+
+        override fun allowType(left: ValueExpression, right: ValueExpression) =
+            Less.allowType(left, right)
+    }
+
+    data object More : CompareOperator(">") {
+        override fun <T> compare(
+            node: T,
+            transform: Transform<T>,
+            leftExp: ValueExpression,
+            rightExp: ValueExpression
+        ): Boolean {
+            val left = leftExp.getAttr(node, transform)
+            val right = rightExp.getAttr(node, transform)
+            return if (left is Int && right is Int) left > right else false
+        }
+
+        override fun allowType(left: ValueExpression, right: ValueExpression) =
+            Less.allowType(left, right)
+    }
+
+    data object MoreEqual : CompareOperator(">=") {
+        override fun <T> compare(
+            node: T,
+            transform: Transform<T>,
+            leftExp: ValueExpression,
+            rightExp: ValueExpression
+        ): Boolean {
+            val left = leftExp.getAttr(node, transform)
+            val right = rightExp.getAttr(node, transform)
+            return if (left is Int && right is Int) left >= right else false
+        }
+
+
+        override fun allowType(left: ValueExpression, right: ValueExpression) =
+            Less.allowType(left, right)
+    }
+
+    data object Matches : CompareOperator("~=") {
+        override fun <T> compare(
+            node: T,
+            transform: Transform<T>,
+            leftExp: ValueExpression,
+            rightExp: ValueExpression
+        ): Boolean {
+            val left = leftExp.getAttr(node, transform)
+            return if (left is CharSequence && rightExp is ValueExpression.StringLiteral) {
+                rightExp.outMatches(left)
+            } else {
+                false
+            }
+        }
+
+        override fun allowType(left: ValueExpression, right: ValueExpression): Boolean {
+            return (left is ValueExpression.Variable) && (right is ValueExpression.StringLiteral && right.matches != null)
+        }
+    }
+
+    data object NotMatches : CompareOperator("!~=") {
+        override fun <T> compare(
+            node: T,
+            transform: Transform<T>,
+            leftExp: ValueExpression,
+            rightExp: ValueExpression
+        ): Boolean {
+            val left = leftExp.getAttr(node, transform)
+            return if (left is CharSequence && rightExp is ValueExpression.StringLiteral) {
+                !rightExp.outMatches(left)
+            } else {
+                false
+            }
+        }
+
+        override fun allowType(left: ValueExpression, right: ValueExpression): Boolean {
+            return Matches.allowType(left, right)
+        }
+    }
+
+}

selector/src/commonMain/kotlin/li/songe/selector/ConnectExpression.kt

@@ -1,4 +1,4 @@
-package li.songe.selector.data
+package li.songe.selector
 
 sealed class ConnectExpression {
     abstract val minOffset: Int

selector/src/commonMain/kotlin/li/songe/selector/ConnectOperator.kt

@@ -1,9 +1,9 @@
-package li.songe.selector.data
+package li.songe.selector
 
-import li.songe.selector.Transform
+sealed class ConnectOperator(val key: String) : Stringify {
+    override fun stringify() = key
 
-sealed class ConnectOperator(val key: String) {
+    internal abstract fun <T> traversal(
-    abstract fun <T> traversal(
         node: T, transform: Transform<T>, connectExpression: ConnectExpression
     ): Sequence<T>
 

selector/src/commonMain/kotlin/li/songe/selector/ConnectSegment.kt

@@ -1,6 +1,4 @@
-package li.songe.selector.data
+package li.songe.selector
-
-import li.songe.selector.Transform
 
 data class ConnectSegment(
     val operator: ConnectOperator = ConnectOperator.Ancestor,
@@ -10,10 +8,10 @@ data class ConnectSegment(
         if (operator == ConnectOperator.Ancestor && connectExpression is PolynomialExpression && connectExpression.a == 1 && connectExpression.b == 0) {
             return ""
         }
-        return operator.key + connectExpression.toString()
+        return operator.stringify() + connectExpression.toString()
     }
 
-    fun <T> traversal(node: T, transform: Transform<T>): Sequence<T?> {
+    internal fun <T> traversal(node: T, transform: Transform<T>): Sequence<T?> {
         return operator.traversal(node, transform, connectExpression)
     }
 }

selector/src/commonMain/kotlin/li/songe/selector/ConnectWrapper.kt

@@ -1,20 +1,18 @@
-package li.songe.selector.data
+package li.songe.selector
-
-import li.songe.selector.Transform
 
 data class ConnectWrapper(
-    val connectSegment: ConnectSegment,
+    val segment: ConnectSegment,
     val to: PropertyWrapper,
 ) {
     override fun toString(): String {
-        return (to.toString() + "\u0020" + connectSegment.toString()).trim()
+        return (to.toString() + "\u0020" + segment.toString()).trim()
     }
 
-    fun <T> matchTracks(
+    internal fun <T> matchTracks(
         node: T, transform: Transform<T>,
         trackNodes: MutableList<T>,
     ): List<T>? {
-        connectSegment.traversal(node, transform).forEach {
+        segment.traversal(node, transform).forEach {
             if (it == null) return@forEach
             val r = to.matchTracks(it, transform, trackNodes)
             if (r != null) return r

selector/src/commonMain/kotlin/li/songe/selector/Exception.kt

@@ -0,0 +1,45 @@
+package li.songe.selector
+
+import kotlin.js.JsExport
+
+@JsExport
+sealed class SelectorCheckException(override val message: String) : Exception(message)
+
+@JsExport
+data class UnknownIdentifierException(
+    val value: ValueExpression.Identifier,
+) : SelectorCheckException("Unknown Identifier: ${value.value}")
+
+@JsExport
+data class UnknownMemberException(
+    val value: ValueExpression.MemberExpression,
+) : SelectorCheckException("Unknown Member: ${value.property}")
+
+@JsExport
+data class UnknownIdentifierMethodException(
+    val value: ValueExpression.Identifier,
+) : SelectorCheckException("Unknown Identifier Method: ${value.value}")
+
+@JsExport
+data class UnknownMemberMethodException(
+    val value: ValueExpression.MemberExpression,
+) : SelectorCheckException("Unknown Member Method: ${value.property}")
+
+@JsExport
+data class MismatchParamTypeException(
+    val call: ValueExpression.CallExpression,
+    val argument: ValueExpression.LiteralExpression,
+    val type: PrimitiveType
+) : SelectorCheckException("Mismatch Param Type: ${argument.value} should be ${type.key}")
+
+@JsExport
+data class MismatchExpressionTypeException(
+    val exception: BinaryExpression,
+    val leftType: PrimitiveType,
+    val rightType: PrimitiveType,
+) : SelectorCheckException("Mismatch Expression Type: ${exception.stringify()}")
+
+@JsExport
+data class MismatchOperatorTypeException(
+    val exception: BinaryExpression,
+) : SelectorCheckException("Mismatch Operator Type: ${exception.stringify()}")

selector/src/commonMain/kotlin/li/songe/selector/Expression.kt

@@ -1,8 +1,6 @@
-package li.songe.selector.data
+package li.songe.selector
 
-import li.songe.selector.Transform
+sealed class Expression : Position {
-
-sealed class Expression {
     internal abstract fun <T> match(node: T, transform: Transform<T>): Boolean
 
     abstract val binaryExpressions: Array<BinaryExpression>

selector/src/commonMain/kotlin/li/songe/selector/LogicalExpression.kt

@@ -0,0 +1,31 @@
+package li.songe.selector
+
+
+data class LogicalExpression(
+    override val start: Int,
+    override val end: Int,
+    val left: Expression,
+    val operator: PositionImpl<LogicalOperator>,
+    val right: Expression,
+) : Expression() {
+    override fun <T> match(node: T, transform: Transform<T>): Boolean {
+        return operator.value.compare(node, transform, left, right)
+    }
+
+    override val binaryExpressions
+        get() = left.binaryExpressions + right.binaryExpressions
+
+    override fun stringify(): String {
+        val leftStr = if (left is LogicalExpression && left.operator.value != operator.value) {
+            "(${left.stringify()})"
+        } else {
+            left.stringify()
+        }
+        val rightStr = if (right is LogicalExpression && right.operator.value != operator.value) {
+            "(${right.stringify()})"
+        } else {
+            right.stringify()
+        }
+        return "$leftStr\u0020${operator.stringify()}\u0020$rightStr"
+    }
+}

selector/src/commonMain/kotlin/li/songe/selector/LogicalOperator.kt

@@ -1,8 +1,8 @@
-package li.songe.selector.data
+package li.songe.selector
 
-import li.songe.selector.Transform
+sealed class LogicalOperator(val key: String) : Stringify {
+    override fun stringify() = key
 
-sealed class LogicalOperator(val key: String) {
     companion object {
         // https://stackoverflow.com/questions/47648689
         val allSubClasses by lazy {
@@ -12,7 +12,7 @@ sealed class LogicalOperator(val key: String) {
         }
     }
 
-    abstract fun <T> compare(
+    internal abstract fun <T> compare(
         node: T,
         transform: Transform<T>,
         left: Expression,

selector/src/commonMain/kotlin/li/songe/selector/MultiplatformSelector.kt

@@ -10,7 +10,6 @@ class MultiplatformSelector private constructor(
     val tracks = selector.tracks
     val trackIndex = selector.trackIndex
     val connectKeys = selector.connectKeys
-    val propertyNames = selector.propertyNames
 
     val qfIdValue = selector.qfIdValue
     val qfVidValue = selector.qfVidValue
@@ -18,15 +17,8 @@ class MultiplatformSelector private constructor(
     val canQf = selector.canQf
     val isMatchRoot = selector.isMatchRoot
 
-    // [name,operator,value][]
+    val binaryExpressions = selector.binaryExpressions
-    val binaryExpressions = selector.binaryExpressions.map { e ->
+    fun checkType(typeInfo: TypeInfo) = selector.checkType(typeInfo)
-        arrayOf(
-            e.name,
-            e.operator.key,
-            e.value.type,
-            e.value.toString()
-        )
-    }.toTypedArray()
 
     fun <T : Any> match(node: T, transform: MultiplatformTransform<T>): T? {
         return selector.match(node, transform.transform)

selector/src/commonMain/kotlin/li/songe/selector/MultiplatformTransform.kt

@@ -5,13 +5,15 @@ import kotlin.js.JsExport
 @JsExport
 @Suppress("UNCHECKED_CAST", "UNUSED")
 class MultiplatformTransform<T : Any>(
-    getAttr: (T, String) -> Any?,
+    getAttr: (Any?, String) -> Any?,
+    getInvoke: (Any?, String, List<Any?>) -> Any?,
     getName: (T) -> String?,
     getChildren: (T) -> Array<T>,
     getParent: (T) -> T?,
 ) {
     internal val transform = Transform(
         getAttr = getAttr,
+        getInvoke = getInvoke,
         getName = getName,
         getChildren = { node -> getChildren(node).asSequence() },
         getParent = getParent,

selector/src/commonMain/kotlin/li/songe/selector/NotExpression.kt

@@ -0,0 +1,20 @@
+package li.songe.selector
+
+data class NotExpression(
+    override val start: Int,
+    val expression: Expression
+) : Expression() {
+    override val end: Int
+        get() = expression.end
+
+    override fun <T> match(node: T, transform: Transform<T>): Boolean {
+        return !expression.match(node, transform)
+    }
+
+    override val binaryExpressions: Array<BinaryExpression>
+        get() = expression.binaryExpressions
+
+    override fun stringify(): String {
+        return "!(${expression.stringify()})"
+    }
+}

selector/src/commonMain/kotlin/li/songe/selector/PolynomialExpression.kt

@@ -1,4 +1,4 @@
-package li.songe.selector.data
+package li.songe.selector
 
 /**
  * an+b

selector/src/commonMain/kotlin/li/songe/selector/Position.kt

@@ -0,0 +1,26 @@
+package li.songe.selector
+
+import kotlin.js.JsExport
+
+@JsExport
+sealed interface Stringify {
+    fun stringify(): String
+}
+
+sealed interface Position : Stringify {
+    val start: Int
+    val end: Int
+    val length: Int
+        get() = end - start
+}
+
+@JsExport
+data class PositionImpl<T : Stringify>(
+    override val start: Int,
+    override val end: Int,
+    val value: T
+) : Position {
+    override fun stringify(): String {
+        return value.stringify()
+    }
+}

selector/src/commonMain/kotlin/li/songe/selector/PropertySegment.kt

@@ -1,6 +1,4 @@
-package li.songe.selector.data
+package li.songe.selector
-
-import li.songe.selector.Transform
 
 
 data class PropertySegment(
@@ -18,7 +16,7 @@ data class PropertySegment(
 
     override fun toString(): String {
         val matchTag = if (tracked) "@" else ""
-        return matchTag + name + expressions.joinToString("") { "[$it]" }
+        return matchTag + name + expressions.joinToString("") { "[${it.stringify()}]" }
     }
 
     private fun <T> matchName(node: T, transform: Transform<T>): Boolean {

selector/src/commonMain/kotlin/li/songe/selector/PropertyWrapper.kt

@@ -1,9 +1,7 @@
-package li.songe.selector.data
+package li.songe.selector
-
-import li.songe.selector.Transform
 
 data class PropertyWrapper(
-    val propertySegment: PropertySegment,
+    val segment: PropertySegment,
     val to: ConnectWrapper? = null,
 ) {
     override fun toString(): String {
@@ -11,7 +9,7 @@ data class PropertyWrapper(
             to.toString() + "\u0020"
         } else {
             ""
-        }) + propertySegment.toString()
+        }) + segment.toString()
     }
 
     fun <T> matchTracks(
@@ -19,7 +17,7 @@ data class PropertyWrapper(
         transform: Transform<T>,
         trackNodes: MutableList<T>,
     ): List<T>? {
-        if (!propertySegment.match(node, transform)) {
+        if (!segment.match(node, transform)) {
             return null
         }
         trackNodes.add(node)

selector/src/commonMain/kotlin/li/songe/selector/Selector.kt

@@ -1,13 +1,10 @@
 package li.songe.selector
 
-import li.songe.selector.data.BinaryExpression
+import li.songe.selector.parser.selectorParser
-import li.songe.selector.data.CompareOperator
-import li.songe.selector.data.ConnectOperator
-import li.songe.selector.data.PrimitiveValue
-import li.songe.selector.data.PropertyWrapper
-import li.songe.selector.parser.ParserSet
 
-class Selector internal constructor(private val propertyWrapper: PropertyWrapper) {
+class Selector internal constructor(
+    val source: String, private val propertyWrapper: PropertyWrapper
+) {
     override fun toString(): String {
         return propertyWrapper.toString()
     }
@@ -17,7 +14,7 @@ class Selector internal constructor(private val propertyWrapper: PropertyWrapper
         while (true) {
             list.add(list.last().to?.to ?: break)
         }
-        list.map { p -> p.propertySegment.tracked }.toTypedArray<Boolean>()
+        list.map { p -> p.segment.tracked }.toTypedArray<Boolean>()
     }
 
     val trackIndex = tracks.indexOfFirst { it }.let { i ->
@@ -41,25 +38,25 @@ class Selector internal constructor(private val propertyWrapper: PropertyWrapper
         return propertyWrapper.matchTracks(node, transform, trackNodes)
     }
 
-    val qfIdValue = propertyWrapper.propertySegment.expressions.firstOrNull().let { e ->
+    val qfIdValue = propertyWrapper.segment.expressions.firstOrNull().let { e ->
-        if (e is BinaryExpression && e.name == "id" && e.operator == CompareOperator.Equal && e.value is PrimitiveValue.StringValue) {
+        if (e is BinaryExpression && e.left.value == "id" && e.operator.value == CompareOperator.Equal && e.right is ValueExpression.StringLiteral) {
-            e.value.value
+            e.right.value
         } else {
             null
         }
     }
 
-    val qfVidValue = propertyWrapper.propertySegment.expressions.firstOrNull().let { e ->
+    val qfVidValue = propertyWrapper.segment.expressions.firstOrNull().let { e ->
-        if (e is BinaryExpression && e.name == "vid" && e.operator == CompareOperator.Equal && e.value is PrimitiveValue.StringValue) {
+        if (e is BinaryExpression && e.left.value == "vid" && e.operator.value == CompareOperator.Equal && e.right is ValueExpression.StringLiteral) {
-            e.value.value
+            e.right.value
         } else {
             null
         }
     }
 
-    val qfTextValue = propertyWrapper.propertySegment.expressions.firstOrNull().let { e ->
+    val qfTextValue = propertyWrapper.segment.expressions.firstOrNull().let { e ->
-        if (e is BinaryExpression && e.name == "text" && (e.operator == CompareOperator.Equal || e.operator == CompareOperator.Start || e.operator == CompareOperator.Include || e.operator == CompareOperator.End) && e.value is PrimitiveValue.StringValue) {
+        if (e is BinaryExpression && e.left.value == "text" && (e.operator.value == CompareOperator.Equal || e.operator.value == CompareOperator.Start || e.operator.value == CompareOperator.Include || e.operator.value == CompareOperator.End) && e.right is ValueExpression.StringLiteral) {
-            e.value.value
+            e.right.value
         } else {
             null
         }
@@ -68,8 +65,8 @@ class Selector internal constructor(private val propertyWrapper: PropertyWrapper
     val canQf = qfIdValue != null || qfVidValue != null || qfTextValue != null
 
     // 主动查询
-    val isMatchRoot = propertyWrapper.propertySegment.expressions.firstOrNull().let { e ->
+    val isMatchRoot = propertyWrapper.segment.expressions.firstOrNull().let { e ->
-        e is BinaryExpression && e.name == "depth" && e.operator == CompareOperator.Equal && e.value.value == 0
+        e is BinaryExpression && e.left.value == "depth" && e.operator.value == CompareOperator.Equal && e.right.value == 0
     }
 
     val connectKeys = run {
@@ -77,7 +74,7 @@ class Selector internal constructor(private val propertyWrapper: PropertyWrapper
         val keys = mutableListOf<String>()
         while (c != null) {
             c.apply {
-                keys.add(connectSegment.operator.key)
+                keys.add(segment.operator.key)
             }
             c = c.to.to
         }
@@ -88,28 +85,144 @@ class Selector internal constructor(private val propertyWrapper: PropertyWrapper
         var p: PropertyWrapper? = propertyWrapper
         val expressions = mutableListOf<BinaryExpression>()
         while (p != null) {
-            val s = p.propertySegment
+            val s = p.segment
             expressions.addAll(s.binaryExpressions)
             p = p.to?.to
         }
         expressions.distinct().toTypedArray()
     }
 
-    val propertyNames = run {
+    val useCache = run {
-        binaryExpressions.map { e -> e.name }.distinct().toTypedArray()
+        if (connectKeys.contains(ConnectOperator.BeforeBrother.key)) {
+            return@run true
+        }
+        if (connectKeys.contains(ConnectOperator.AfterBrother.key)) {
+            return@run true
+        }
+        binaryExpressions.forEach { b ->
+            if (b.properties.any { useCacheProperties.contains(it) }) {
+                return@run true
+            }
+            if (b.methods.any { useCacheMethods.contains(it) }) {
+                return@run true
+            }
+        }
+        return@run false
     }
 
-    val canCacheIndex =
+    fun checkType(typeInfo: TypeInfo): SelectorCheckException? {
-        connectKeys.contains(ConnectOperator.BeforeBrother.key) || connectKeys.contains(
+        try {
-            ConnectOperator.AfterBrother.key
+            propertyWrapper.segment.binaryExpressions.forEach { exp ->
-        ) || propertyNames.contains("index")
+                if (!exp.operator.value.allowType(exp.left, exp.right)) {
+                    throw MismatchOperatorTypeException(exp)
+                }
+                val leftType = getExpType(exp.left, typeInfo)
+                val rightType = getExpType(exp.right, typeInfo)
+                if (leftType != null && rightType != null && leftType != rightType) {
+                    throw MismatchExpressionTypeException(exp, leftType, rightType)
+                }
+            }
+        } catch (e: SelectorCheckException) {
+            return e
+        }
+        return null
+    }
 
     companion object {
-        fun parse(source: String) = ParserSet.selectorParser(source)
+        fun parse(source: String) = selectorParser(source)
         fun parseOrNull(source: String) = try {
-            ParserSet.selectorParser(source)
+            selectorParser(source)
         } catch (e: Exception) {
             null
         }
     }
 }
+
+private val useCacheProperties by lazy {
+    arrayOf("index", "parent")
+}
+private val useCacheMethods by lazy {
+    arrayOf("getChild")
+}
+
+private fun getExpType(exp: ValueExpression, typeInfo: TypeInfo): PrimitiveType? {
+    return when (exp) {
+        is ValueExpression.NullLiteral -> null
+        is ValueExpression.BooleanLiteral -> PrimitiveType.BooleanType
+        is ValueExpression.IntLiteral -> PrimitiveType.IntType
+        is ValueExpression.StringLiteral -> PrimitiveType.StringType
+        is ValueExpression.Variable -> checkVariable(exp, typeInfo).type
+    }
+}
+
+private fun checkVariable(value: ValueExpression.Variable, typeInfo: TypeInfo): TypeInfo {
+    return when (value) {
+        is ValueExpression.CallExpression -> {
+            val method = when (value.callee) {
+                is ValueExpression.CallExpression -> {
+                    throw IllegalArgumentException("Unsupported nested call")
+                }
+
+                is ValueExpression.Identifier -> {
+                    // getChild(0)
+                    typeInfo.methods.find { it.name == value.callee.value && it.params.size == value.arguments.size }
+                        ?: throw UnknownIdentifierMethodException(value.callee)
+                }
+
+                is ValueExpression.MemberExpression -> {
+                    // parent.getChild(0)
+                    checkVariable(
+                        value.callee.object0, typeInfo
+                    ).methods.find { it.name == value.callee.property && it.params.size == value.arguments.size }
+                        ?: throw UnknownMemberMethodException(value.callee)
+                }
+            }
+            method.params.forEachIndexed { index, argTypeInfo ->
+                when (val argExp = value.arguments[index]) {
+                    is ValueExpression.NullLiteral -> {}
+                    is ValueExpression.BooleanLiteral -> {
+                        if (argTypeInfo.type != PrimitiveType.BooleanType) {
+                            throw MismatchParamTypeException(
+                                value,
+                                argExp,
+                                PrimitiveType.BooleanType
+                            )
+                        }
+                    }
+
+                    is ValueExpression.IntLiteral -> {
+                        if (argTypeInfo.type != PrimitiveType.IntType) {
+                            throw MismatchParamTypeException(value, argExp, PrimitiveType.IntType)
+                        }
+                    }
+
+                    is ValueExpression.StringLiteral -> {
+                        if (argTypeInfo.type != PrimitiveType.StringType) {
+                            throw MismatchParamTypeException(
+                                value,
+                                argExp,
+                                PrimitiveType.StringType
+                            )
+                        }
+                    }
+
+                    is ValueExpression.Variable -> {
+                        checkVariable(argExp, argTypeInfo)
+                    }
+                }
+            }
+            return method.returnType
+        }
+
+        is ValueExpression.Identifier -> {
+            typeInfo.props.find { it.name == value.value }?.type
+                ?: throw UnknownIdentifierException(value)
+        }
+
+        is ValueExpression.MemberExpression -> {
+            checkVariable(value.object0, typeInfo).props.find { it.name == value.property }?.type
+                ?: throw UnknownMemberException(value)
+        }
+    }
+}
+

selector/src/commonMain/kotlin/li/songe/selector/SyntaxError.kt

@@ -3,7 +3,7 @@ package li.songe.selector
 import kotlin.js.JsExport
 
 @JsExport
-data class GkdSyntaxError internal constructor(
+data class SyntaxError internal constructor(
     val expectedValue: String,
     val position: Int,
     val source: String,
@@ -17,21 +17,21 @@ data class GkdSyntaxError internal constructor(
 )
 
 internal fun gkdAssert(
-    source: String,
+    source: CharSequence,
     offset: Int,
     value: String = "",
     expectedValue: String? = null
 ) {
     if (offset >= source.length || (value.isNotEmpty() && !value.contains(source[offset]))) {
-        throw GkdSyntaxError(expectedValue ?: value, offset, source)
+        throw SyntaxError(expectedValue ?: value, offset, source.toString())
     }
 }
 
 internal fun gkdError(
-    source: String,
+    source: CharSequence,
     offset: Int,
     expectedValue: String = "",
     cause: Exception? = null
 ): Nothing {
-    throw GkdSyntaxError(expectedValue, offset, source, cause)
+    throw SyntaxError(expectedValue, offset, source.toString(), cause)
 }

selector/src/commonMain/kotlin/li/songe/selector/Transform.kt

@@ -1,10 +1,9 @@
 package li.songe.selector
 
-import li.songe.selector.data.ConnectExpression
-
 @Suppress("UNUSED")
 class Transform<T>(
-    val getAttr: (T, String) -> Any?,
+    val getAttr: (Any?, String) -> Any?,
+    val getInvoke: (Any?, String, List<Any?>) -> Any? = { _, _, _ -> null },
     val getName: (T) -> CharSequence?,
     val getChildren: (T) -> Sequence<T>,
     val getParent: (T) -> T?,

selector/src/commonMain/kotlin/li/songe/selector/TupleExpression.kt

@@ -1,4 +1,4 @@
-package li.songe.selector.data
+package li.songe.selector
 
 data class TupleExpression(
     val numbers: List<Int>,

selector/src/commonMain/kotlin/li/songe/selector/TypeInfo.kt

@@ -0,0 +1,71 @@
+package li.songe.selector
+
+import kotlin.js.JsExport
+
+@JsExport
+sealed class PrimitiveType(val key: String) {
+    data object BooleanType : PrimitiveType("boolean")
+    data object IntType : PrimitiveType("int")
+    data object StringType : PrimitiveType("string")
+    data class ObjectType(val name: String) : PrimitiveType("object")
+}
+
+@JsExport
+data class MethodInfo(
+    val name: String,
+    val returnType: TypeInfo,
+    val params: Array<TypeInfo> = emptyArray(),
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other == null || this::class != other::class) return false
+
+        other as MethodInfo
+
+        if (name != other.name) return false
+        if (returnType != other.returnType) return false
+        if (!params.contentEquals(other.params)) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        var result = name.hashCode()
+        result = 31 * result + returnType.hashCode()
+        result = 31 * result + params.contentHashCode()
+        return result
+    }
+}
+
+@JsExport
+data class PropInfo(
+    val name: String,
+    val type: TypeInfo,
+)
+
+@JsExport
+data class TypeInfo(
+    val type: PrimitiveType,
+    var props: Array<PropInfo> = arrayOf(),
+    var methods: Array<MethodInfo> = arrayOf(),
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other == null || this::class != other::class) return false
+
+        other as TypeInfo
+
+        if (type != other.type) return false
+        if (!props.contentEquals(other.props)) return false
+        if (!methods.contentEquals(other.methods)) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        var result = type.hashCode()
+        result = 31 * result + props.contentHashCode()
+        result = 31 * result + methods.contentHashCode()
+        return result
+    }
+}

selector/src/commonMain/kotlin/li/songe/selector/ValueExpression.kt

@@ -0,0 +1,135 @@
+package li.songe.selector
+
+import kotlin.js.JsExport
+
+@JsExport
+sealed class ValueExpression(open val value: Any?, open val type: String) : Position {
+    override fun stringify() = value.toString()
+    internal abstract fun <T> getAttr(node: T, transform: Transform<T>): Any?
+    abstract val properties: Array<String>
+    abstract val methods: Array<String>
+
+    sealed class Variable(
+        override val value: String,
+    ) : ValueExpression(value, "var")
+
+    data class Identifier internal constructor(
+        override val start: Int,
+        override val value: String,
+    ) : Variable(value) {
+        override val end = start + value.length
+        override fun <T> getAttr(node: T, transform: Transform<T>): Any? {
+            return transform.getAttr(node, value)
+        }
+
+        override val properties: Array<String>
+            get() = arrayOf(value)
+        override val methods: Array<String>
+            get() = emptyArray()
+    }
+
+    data class MemberExpression internal constructor(
+        override val start: Int,
+        override val end: Int,
+        val object0: Variable,
+        val property: String,
+    ) : Variable(value = "${object0.stringify()}.$property") {
+        override fun <T> getAttr(node: T, transform: Transform<T>): Any? {
+            return transform.getAttr(object0.getAttr(node, transform), property)
+        }
+
+        override val properties: Array<String>
+            get() = arrayOf(*object0.properties, property)
+        override val methods: Array<String>
+            get() = object0.methods
+    }
+
+    data class CallExpression internal constructor(
+        override val start: Int,
+        override val end: Int,
+        val callee: Variable,
+        val arguments: List<ValueExpression>,
+    ) : Variable(
+        value = "${callee.stringify()}(${arguments.joinToString(",") { it.stringify() }})",
+    ) {
+
+        override fun <T> getAttr(node: T, transform: Transform<T>): Any? {
+            return when (callee) {
+                is CallExpression -> {
+                    null
+                }
+
+                is Identifier -> {
+                    transform.getInvoke(
+                        node,
+                        callee.value,
+                        arguments.map { it.getAttr(node, transform) }
+                    )
+                }
+
+                is MemberExpression -> {
+                    transform.getInvoke(
+                        callee.object0.getAttr(node, transform),
+                        callee.property,
+                        arguments.map { it.getAttr(node, transform) }
+                    )
+                }
+            }
+        }
+
+        override val properties: Array<String>
+            get() = callee.properties.toMutableList()
+                .plus(arguments.flatMap { it.properties.toList() })
+                .toTypedArray()
+        override val methods: Array<String>
+            get() = when (callee) {
+                is CallExpression -> callee.methods
+                is Identifier -> arrayOf(callee.value)
+                is MemberExpression -> arrayOf(*callee.object0.methods, callee.property)
+            }.toMutableList().plus(arguments.flatMap { it.methods.toList() })
+                .toTypedArray()
+    }
+
+    sealed class LiteralExpression(
+        override val value: Any?,
+        override val type: String,
+    ) : ValueExpression(value, type) {
+        override fun <T> getAttr(node: T, transform: Transform<T>) = value
+
+        override val properties: Array<String>
+            get() = emptyArray()
+        override val methods: Array<String>
+            get() = emptyArray()
+    }
+
+    data class NullLiteral internal constructor(
+        override val start: Int,
+    ) : LiteralExpression(null, "null") {
+        override val end = start + 4
+    }
+
+    data class BooleanLiteral internal constructor(
+        override val start: Int,
+        override val value: Boolean
+    ) : LiteralExpression(value, "boolean") {
+        override val end = start + if (value) 4 else 5
+    }
+
+    data class IntLiteral internal constructor(
+        override val start: Int,
+        override val end: Int,
+        override val value: Int
+    ) : LiteralExpression(value, "int")
+
+    data class StringLiteral internal constructor(
+        override val start: Int,
+        override val end: Int,
+        override val value: String,
+        internal val matches: ((CharSequence) -> Boolean)? = null
+    ) : LiteralExpression(value, "string") {
+
+        override fun stringify() = escapeString(value)
+
+        internal val outMatches = matches?.let { optimizeMatchString(value) ?: it } ?: { false }
+    }
+}

selector/src/commonMain/kotlin/li/songe/selector/data/BinaryExpression.kt

@@ -1,17 +0,0 @@
-package li.songe.selector.data
-
-import li.songe.selector.Transform
-
-data class BinaryExpression(
-    val name: String,
-    val operator: CompareOperator,
-    val value: PrimitiveValue
-) : Expression() {
-    override fun <T> match(node: T, transform: Transform<T>) =
-        operator.compare(transform.getAttr(node, name), value)
-
-    override val binaryExpressions
-        get() = arrayOf(this)
-
-    override fun toString() = "${name}${operator.key}${value}"
-}

selector/src/commonMain/kotlin/li/songe/selector/data/CompareOperator.kt

@@ -1,194 +0,0 @@
-package li.songe.selector.data
-
-sealed class CompareOperator(val key: String) {
-    abstract fun compare(left: Any?, right: PrimitiveValue): Boolean
-    abstract fun allowType(type: PrimitiveValue): Boolean
-
-    companion object {
-        // https://stackoverflow.com/questions/47648689
-        val allSubClasses by lazy {
-            listOf(
-                Equal,
-                NotEqual,
-                Start,
-                NotStart,
-                Include,
-                NotInclude,
-                End,
-                NotEnd,
-                Less,
-                LessEqual,
-                More,
-                MoreEqual,
-                Matches,
-                NotMatches
-            ).sortedBy { -it.key.length }.toTypedArray()
-        }
-
-        // example
-        // id="com.lptiyu.tanke:id/ab1"
-        // id="com.lptiyu.tanke:id/ab2"
-        private fun CharSequence.contentReversedEquals(other: CharSequence): Boolean {
-            if (this === other) return true
-            if (this.length != other.length) return false
-            for (i in this.length - 1 downTo 0) {
-                if (this[i] != other[i]) return false
-            }
-            return true
-        }
-    }
-
-    data object Equal : CompareOperator("=") {
-        override fun compare(left: Any?, right: PrimitiveValue): Boolean {
-            return if (left is CharSequence && right is PrimitiveValue.StringValue) {
-                left.contentReversedEquals(right.value)
-            } else {
-                left == right.value
-            }
-        }
-
-        override fun allowType(type: PrimitiveValue) = true
-    }
-
-    data object NotEqual : CompareOperator("!=") {
-        override fun compare(left: Any?, right: PrimitiveValue) = !Equal.compare(left, right)
-        override fun allowType(type: PrimitiveValue) = true
-    }
-
-    data object Start : CompareOperator("^=") {
-        override fun compare(left: Any?, right: PrimitiveValue): Boolean {
-            return if (left is CharSequence && right is PrimitiveValue.StringValue) {
-                left.startsWith(right.value)
-            } else {
-                false
-            }
-        }
-
-        override fun allowType(type: PrimitiveValue) = type is PrimitiveValue.StringValue
-    }
-
-    data object NotStart : CompareOperator("!^=") {
-        override fun compare(left: Any?, right: PrimitiveValue): Boolean {
-            return if (left is CharSequence && right is PrimitiveValue.StringValue) {
-                !left.startsWith(right.value)
-            } else {
-                false
-            }
-        }
-
-        override fun allowType(type: PrimitiveValue) = type is PrimitiveValue.StringValue
-    }
-
-    data object Include : CompareOperator("*=") {
-        override fun compare(left: Any?, right: PrimitiveValue): Boolean {
-            return if (left is CharSequence && right is PrimitiveValue.StringValue) {
-                left.contains(right.value)
-            } else {
-                false
-            }
-        }
-
-        override fun allowType(type: PrimitiveValue) = type is PrimitiveValue.StringValue
-    }
-
-    data object NotInclude : CompareOperator("!*=") {
-        override fun compare(left: Any?, right: PrimitiveValue): Boolean {
-            return if (left is CharSequence && right is PrimitiveValue.StringValue) {
-                !left.contains(right.value)
-            } else {
-                false
-            }
-        }
-
-        override fun allowType(type: PrimitiveValue) = type is PrimitiveValue.StringValue
-    }
-
-    data object End : CompareOperator("$=") {
-        override fun compare(left: Any?, right: PrimitiveValue): Boolean {
-            return if (left is CharSequence && right is PrimitiveValue.StringValue) {
-                left.endsWith(right.value)
-            } else {
-                false
-            }
-        }
-
-        override fun allowType(type: PrimitiveValue) = type is PrimitiveValue.StringValue
-    }
-
-    data object NotEnd : CompareOperator("!$=") {
-        override fun compare(left: Any?, right: PrimitiveValue): Boolean {
-            return if (left is CharSequence && right is PrimitiveValue.StringValue) {
-                !left.endsWith(
-                    right.value
-                )
-            } else {
-                false
-            }
-        }
-
-        override fun allowType(type: PrimitiveValue) = type is PrimitiveValue.StringValue
-    }
-
-    data object Less : CompareOperator("<") {
-        override fun compare(left: Any?, right: PrimitiveValue): Boolean {
-            return if (left is Int && right is PrimitiveValue.IntValue) left < right.value else false
-        }
-
-
-        override fun allowType(type: PrimitiveValue) = type is PrimitiveValue.IntValue
-    }
-
-    data object LessEqual : CompareOperator("<=") {
-        override fun compare(left: Any?, right: PrimitiveValue): Boolean {
-            return if (left is Int && right is PrimitiveValue.IntValue) left <= right.value else false
-        }
-
-        override fun allowType(type: PrimitiveValue) = type is PrimitiveValue.IntValue
-    }
-
-    data object More : CompareOperator(">") {
-        override fun compare(left: Any?, right: PrimitiveValue): Boolean {
-            return if (left is Int && right is PrimitiveValue.IntValue) left > right.value else false
-        }
-
-        override fun allowType(type: PrimitiveValue) = type is PrimitiveValue.IntValue
-    }
-
-    data object MoreEqual : CompareOperator(">=") {
-        override fun compare(left: Any?, right: PrimitiveValue): Boolean {
-            return if (left is Int && right is PrimitiveValue.IntValue) left >= right.value else false
-        }
-
-
-        override fun allowType(type: PrimitiveValue) = type is PrimitiveValue.IntValue
-    }
-
-    data object Matches : CompareOperator("~=") {
-        override fun compare(left: Any?, right: PrimitiveValue): Boolean {
-            return if (left is CharSequence && right is PrimitiveValue.StringValue) {
-                right.outMatches(left)
-            } else {
-                false
-            }
-        }
-
-        override fun allowType(type: PrimitiveValue): Boolean {
-            return type is PrimitiveValue.StringValue && type.matches != null
-        }
-    }
-
-    data object NotMatches : CompareOperator("!~=") {
-        override fun compare(left: Any?, right: PrimitiveValue): Boolean {
-            return if (left is CharSequence && right is PrimitiveValue.StringValue) {
-                !right.outMatches(left)
-            } else {
-                false
-            }
-        }
-
-        override fun allowType(type: PrimitiveValue): Boolean {
-            return Matches.allowType(type)
-        }
-    }
-
-}

selector/src/commonMain/kotlin/li/songe/selector/data/LogicalExpression.kt

@@ -1,30 +0,0 @@
-package li.songe.selector.data
-
-import li.songe.selector.Transform
-
-data class LogicalExpression(
-    val left: Expression,
-    val operator: LogicalOperator,
-    val right: Expression,
-) : Expression() {
-    override fun <T> match(node: T, transform: Transform<T>): Boolean {
-        return operator.compare(node, transform, left, right)
-    }
-
-    override val binaryExpressions
-        get() = left.binaryExpressions + right.binaryExpressions
-
-    override fun toString(): String {
-        val leftStr = if (left is LogicalExpression && left.operator != operator) {
-            "($left)"
-        } else {
-            left.toString()
-        }
-        val rightStr = if (right is LogicalExpression && right.operator != operator) {
-            "($right)"
-        } else {
-            right.toString()
-        }
-        return "$leftStr\u0020${operator.key}\u0020$rightStr"
-    }
-}

selector/src/commonMain/kotlin/li/songe/selector/data/PrimitiveValue.kt

@@ -1,95 +0,0 @@
-package li.songe.selector.data
-
-sealed class PrimitiveValue(open val value: Any?, open val type: String) {
-    data object NullValue : PrimitiveValue(null, "null") {
-        override fun toString() = "null"
-    }
-
-    data class BooleanValue(override val value: Boolean) : PrimitiveValue(value, TYPE_NAME) {
-        override fun toString() = value.toString()
-
-        companion object {
-            const val TYPE_NAME = "boolean"
-        }
-    }
-
-    data class IntValue(override val value: Int) : PrimitiveValue(value, TYPE_NAME) {
-        override fun toString() = value.toString()
-
-        companion object {
-            const val TYPE_NAME = "int"
-        }
-    }
-
-    data class StringValue(
-        override val value: String,
-        val matches: ((CharSequence) -> Boolean)? = null
-    ) : PrimitiveValue(value, TYPE_NAME) {
-
-        val outMatches: (value: CharSequence) -> Boolean = run {
-            matches ?: return@run { false }
-            getMatchValue(value, "(?is)", ".*")?.let { startsWithValue ->
-                return@run { value -> value.startsWith(startsWithValue, ignoreCase = true) }
-            }
-            getMatchValue(value, "(?is).*", ".*")?.let { containsValue ->
-                return@run { value -> value.contains(containsValue, ignoreCase = true) }
-            }
-            getMatchValue(value, "(?is).*", "")?.let { endsWithValue ->
-                return@run { value -> value.endsWith(endsWithValue, ignoreCase = true) }
-            }
-            return@run matches
-        }
-
-        companion object {
-            const val TYPE_NAME = "string"
-            private const val REG_SPECIAL_STRING = "\\^$.?*|+()[]{}"
-            private fun getMatchValue(value: String, prefix: String, suffix: String): String? {
-                if (value.startsWith(prefix) && value.endsWith(suffix) && value.length >= (prefix.length + suffix.length)) {
-                    for (i in prefix.length until value.length - suffix.length) {
-                        if (value[i] in REG_SPECIAL_STRING) {
-                            return null
-                        }
-                    }
-                    return value.subSequence(prefix.length, value.length - suffix.length).toString()
-                }
-                return null
-            }
-        }
-
-        override fun toString(): String {
-            val wrapChar = '"'
-            val sb = StringBuilder(value.length + 2)
-            sb.append(wrapChar)
-            value.forEach { c ->
-                val escapeChar = when (c) {
-                    wrapChar -> wrapChar
-                    '\n' -> 'n'
-                    '\r' -> 'r'
-                    '\t' -> 't'
-                    '\b' -> 'b'
-                    '\\' -> '\\'
-                    else -> null
-                }
-                if (escapeChar != null) {
-                    sb.append("\\" + escapeChar)
-                } else {
-                    when (c.code) {
-                        in 0..0xf -> {
-                            sb.append("\\x0" + c.code.toString(16))
-                        }
-
-                        in 0x10..0x1f -> {
-                            sb.append("\\x" + c.code.toString(16))
-                        }
-
-                        else -> {
-                            sb.append(c)
-                        }
-                    }
-                }
-            }
-            sb.append(wrapChar)
-            return sb.toString()
-        }
-    }
-}

selector/src/commonMain/kotlin/li/songe/selector/parser/Parser.kt

@@ -2,7 +2,7 @@ package li.songe.selector.parser
 
 internal data class Parser<T>(
     val prefix: String = "",
-    private val temp: (source: String, offset: Int, prefix: String) -> ParserResult<T>
+    private val temp: (source: CharSequence, offset: Int, prefix: String) -> ParserResult<T>
 )  {
-    operator fun invoke(source: String, offset: Int) = temp(source, offset, prefix)
+    operator fun invoke(source: CharSequence, offset: Int) = temp(source, offset, prefix)
 }

selector/src/commonMain/kotlin/li/songe/selector/parser/ParserSet.kt

@@ -1,22 +1,28 @@
 package li.songe.selector.parser
 
+import li.songe.selector.BinaryExpression
+import li.songe.selector.CompareOperator
+import li.songe.selector.ConnectExpression
+import li.songe.selector.ConnectOperator
+import li.songe.selector.ConnectSegment
+import li.songe.selector.ConnectWrapper
+import li.songe.selector.Expression
+import li.songe.selector.LogicalExpression
+import li.songe.selector.LogicalOperator
+import li.songe.selector.NotExpression
+import li.songe.selector.PolynomialExpression
+import li.songe.selector.Position
+import li.songe.selector.PositionImpl
+import li.songe.selector.PropertySegment
+import li.songe.selector.PropertyWrapper
 import li.songe.selector.Selector
-import li.songe.selector.data.BinaryExpression
+import li.songe.selector.TupleExpression
-import li.songe.selector.data.CompareOperator
+import li.songe.selector.ValueExpression
-import li.songe.selector.data.ConnectExpression
-import li.songe.selector.data.ConnectOperator
-import li.songe.selector.data.ConnectSegment
-import li.songe.selector.data.ConnectWrapper
-import li.songe.selector.data.Expression
-import li.songe.selector.data.LogicalExpression
-import li.songe.selector.data.LogicalOperator
-import li.songe.selector.data.PolynomialExpression
-import li.songe.selector.data.PrimitiveValue
-import li.songe.selector.data.PropertySegment
-import li.songe.selector.data.PropertyWrapper
-import li.songe.selector.data.TupleExpression
 import li.songe.selector.gkdAssert
 import li.songe.selector.gkdError
+import li.songe.selector.parser.ParserSet.connectSelectorParser
+import li.songe.selector.parser.ParserSet.endParser
+import li.songe.selector.parser.ParserSet.whiteCharParser
 import li.songe.selector.toMatches
 
 internal object ParserSet {
@@ -212,10 +218,26 @@ internal object ParserSet {
         i++
         ParserResult(TupleExpression(numbers), i - offset)
     }
-    private val tupleExpressionReg = Regex("^\\(\\s*\\d+,.*$")
+
+    private fun isTupleExpression(source: CharSequence): Boolean {
+        // ^\(\s*\d+\s*,
+        var i = 0
+        if (source.getOrNull(i) != '(') {
+            return false
+        }
+        i++
+        i += whiteCharParser(source, i).length
+        if (source.getOrNull(i) !in '0'..'9') {
+            return false
+        }
+        i += integerParser(source, i).length
+        i += whiteCharParser(source, i).length
+        return source.getOrNull(i) == ','
+    }
+
     val connectExpressionParser = Parser(polynomialExpressionParser.prefix) { source, offset, _ ->
         var i = offset
-        if (tupleExpressionReg.matches(source.subSequence(offset, source.length))) {
+        if (isTupleExpression(source.subSequence(offset, source.length))) {
             val tupleExpressionResult = tupleExpressionParser(source, i)
             i += tupleExpressionResult.length
             ParserResult(tupleExpressionResult.data, i - offset)
@@ -244,13 +266,20 @@ internal object ParserSet {
         )
     }
 
-    val attrOperatorParser =
+    private fun attrOperatorParser(
-        Parser(CompareOperator.allSubClasses.joinToString("") { it.key }) { source, offset, _ ->
+        source: CharSequence,
-            val operator = CompareOperator.allSubClasses.find { compareOperator ->
+        offset: Int
-                source.startsWith(compareOperator.key, offset)
+    ): PositionImpl<CompareOperator> {
-            } ?: gkdError(source, offset, "CompareOperator")
+        val operator = CompareOperator.allSubClasses.find { compareOperator ->
-            ParserResult(operator, operator.key.length)
+            source.startsWith(compareOperator.key, offset)
-        }
+        } ?: gkdError(source, offset, "CompareOperator")
+        return PositionImpl(
+            start = offset,
+            end = offset + operator.key.length,
+            value = operator
+        )
+    }
+
     val stringParser = Parser("`'\"") { source, offset, prefix ->
         var i = offset
         gkdAssert(source, i, prefix)
@@ -312,7 +341,7 @@ internal object ParserSet {
 
     private val varPrefix = "_" + ('a'..'z').joinToString("") + ('A'..'Z').joinToString("")
     private val varStr = varPrefix + '.' + ('0'..'9').joinToString("")
-    val propertyParser = Parser(varPrefix) { source, offset, prefix ->
+    private val propertyParser = Parser(varPrefix) { source, offset, prefix ->
         var i = offset
         gkdAssert(source, i, prefix)
         var data = source[i].toString()
@@ -327,120 +356,253 @@ internal object ParserSet {
         ParserResult(data, i - offset)
     }
 
-    val valueParser =
+    private fun isVarChar(c: Char?, start: Boolean = false): Boolean {
-        Parser("tfn-" + stringParser.prefix + integerParser.prefix) { source, offset, prefix ->
+        c ?: return false
-            var i = offset
+        return (c == '_' || c in 'a'..'z' || c in 'A'..'Z' || (!start && c in '0'..'9'))
-            gkdAssert(source, i, prefix)
+    }
-            val value: PrimitiveValue = when (source[i]) {
+
-                't' -> {
+    private fun matchLiteral(source: CharSequence, offset: Int, raw: String): Boolean {
+        if (source.startsWith(raw, offset)) {
+            val c = source.getOrNull(offset + raw.length) ?: return true
+            return !(c == '_' || c in 'a'..'z' || c in 'A'..'Z' || c in '0'..'9')
+        }
+        return false
+    }
+
+    fun parseVariable(source: CharSequence, offset: Int): ValueExpression {
+        var i = offset
+        i += whiteCharParser(source, i).length
+        if (i >= source.length) {
+            gkdError(source, i, "Variable")
+        }
+        if (matchLiteral(source, i, "true")) {
+            return ValueExpression.BooleanLiteral(start = i, value = true)
+        } else if (matchLiteral(source, i, "false")) {
+            return ValueExpression.BooleanLiteral(start = i, value = false)
+        } else if (matchLiteral(source, i, "null")) {
+            return ValueExpression.NullLiteral(start = i)
+        }
+        if (source[i] in stringParser.prefix) {
+            val result = stringParser(source, i)
+            i += result.length
+            return ValueExpression.StringLiteral(
+                start = i - result.length,
+                end = i,
+                value = result.data
+            )
+        }
+        if (source[i] == '-') {
+            i++
+            val result = integerParser(source, i)
+            i += result.length
+            return ValueExpression.IntLiteral(
+                start = i - result.length - 1,
+                end = i,
+                value = -result.data
+            )
+        }
+        if (source[i] in integerParser.prefix) {
+            val result = integerParser(source, i)
+            i += result.length
+            return ValueExpression.IntLiteral(
+                start = i - result.length,
+                end = i, value = result.data
+            )
+        }
+
+        var lastToken: ValueExpression.Variable? = null
+        while (i < source.length) {
+            i += whiteCharParser(source, i).length
+            val char = source.getOrNull(i)
+            when {
+                char == '(' -> {
+                    val start = i
                     i++
-                    "rue".forEach { c ->
+                    i += whiteCharParser(source, i).length
-                        gkdAssert(source, i, c.toString())
+                    if (lastToken != null) {
+                        // 暂不支持 object()()
+                        if (lastToken is ValueExpression.CallExpression) {
+                            gkdError(source, i, "Variable")
+                        }
+                        val arguments = mutableListOf<ValueExpression>()
+                        while (i < source.length && source[i] != ')') {
+                            val result = parseVariable(source, i)
+                            arguments.add(result)
+                            i += result.length
+                            if (source.getOrNull(i) == ',') {
+                                i++
+                                i += whiteCharParser(source, i).length
+                            }
+                        }
+                        i += whiteCharParser(source, i).length
+                        gkdAssert(source, i, ")")
                         i++
-                    }
+                        lastToken = ValueExpression.CallExpression(
-                    PrimitiveValue.BooleanValue(true)
+                            start = lastToken.start,
-                }
+                            end = i,
-
+                            lastToken,
-                'f' -> {
+                            arguments
-                    i++
+                        )
-                    "alse".forEach { c ->
+                    } else {
-                        gkdAssert(source, i, c.toString())
+                        val result = parseVariable(source, i)
+                        i += result.length
+                        i += whiteCharParser(source, i).length
+                        gkdAssert(source, i, ")")
                         i++
+                        val end = i
+                        return when (result) {
+                            is ValueExpression.BooleanLiteral -> result.copy(
+                                start = start
+                            )
+
+                            is ValueExpression.IntLiteral -> result.copy(start = start, end = end)
+                            is ValueExpression.NullLiteral -> result.copy(start = start)
+                            is ValueExpression.StringLiteral -> result.copy(
+                                start = start,
+                                end = end
+                            )
+
+                            is ValueExpression.CallExpression -> result.copy(
+                                start = start,
+                                end = end
+                            )
+
+                            is ValueExpression.Identifier -> result.copy(start = start)
+                            is ValueExpression.MemberExpression -> result.copy(
+                                start = start,
+                                end = end
+                            )
+                        }
                     }
-                    PrimitiveValue.BooleanValue(false)
                 }
 
-                'n' -> {
+                char == '.' -> {
                     i++
-                    "ull".forEach { c ->
+                    if (lastToken !is ValueExpression.Variable) {
-                        gkdAssert(source, i, c.toString())
+                        gkdError(source, i, "Variable")
-                        i++
                     }
-                    PrimitiveValue.NullValue
+                    if (!isVarChar(source.getOrNull(i), true)) {
+                        gkdError(source, i, "Variable")
+                    }
+                    val property = source.drop(i).takeWhile { c -> isVarChar(c, false) }.toString()
+                    lastToken = ValueExpression.MemberExpression(
+                        start = lastToken.start,
+                        end = i + property.length,
+                        lastToken,
+                        property
+                    )
+                    i += property.length
                 }
 
-                in stringParser.prefix -> {
+                isVarChar(char) -> {
-                    val s = stringParser(source, i)
+                    val variable = source.drop(i).takeWhile { c -> isVarChar(c) }.toString()
-                    i += s.length
+                    lastToken = ValueExpression.Identifier(start = i, variable)
-                    PrimitiveValue.StringValue(s.data)
+                    i += variable.length
-                }
-
-                '-' -> {
-                    i++
-                    gkdAssert(source, i, integerParser.prefix)
-                    val n = integerParser(source, i)
-                    i += n.length
-                    PrimitiveValue.IntValue(-n.data)
-                }
-
-                in integerParser.prefix -> {
-                    val n = integerParser(source, i)
-                    i += n.length
-                    PrimitiveValue.IntValue(n.data)
                 }
 
                 else -> {
-                    gkdError(source, i, prefix)
+                    break
                 }
             }
-            ParserResult(value, i - offset)
         }
+        if (lastToken == null) {
+            gkdError(source, i, "Variable")
+        }
+        return lastToken
+    }
 
-    val binaryExpressionParser = Parser { source, offset, _ ->
+    private fun valueParser(source: CharSequence, offset: Int): ValueExpression {
+        val prefix = "tfn-" + stringParser.prefix + integerParser.prefix + varPrefix
+        gkdAssert(source, offset, prefix)
+        val result = parseVariable(source, offset)
+        return result
+    }
+
+    private fun binaryExpressionParser(source: CharSequence, offset: Int): BinaryExpression {
         var i = offset
-        val parserResult = propertyParser(source, i)
+        val leftValueResult = valueParser(source, i)
-        i += parserResult.length
+        i += leftValueResult.length
         i += whiteCharParser(source, i).length
         val operatorResult = attrOperatorParser(source, i)
         i += operatorResult.length
         i += whiteCharParser(source, i).length
-        val valueResult = valueParser(source, i).let { result ->
+        val rightValueResult = valueParser(source, i).let { result ->
             // check regex
-            if ((operatorResult.data == CompareOperator.Matches || operatorResult.data == CompareOperator.NotMatches) && result.data is PrimitiveValue.StringValue) {
+            if ((operatorResult.value == CompareOperator.Matches || operatorResult.value == CompareOperator.NotMatches) && result is ValueExpression.StringLiteral) {
                 val matches = try {
-                    result.data.value.toMatches()
+                    result.value.toMatches()
                 } catch (e: Exception) {
                     gkdError(source, i, "valid primitive string regex", e)
                 }
-                result.copy(data = result.data.copy(matches = matches))
+                result.copy(
+                    matches = matches
+                )
             } else {
                 result
             }
         }
-        if (!operatorResult.data.allowType(valueResult.data)) {
+        i += rightValueResult.length
-            gkdError(source, i, "valid primitive value")
+        return BinaryExpression(
-        }
+            start = offset,
-        i += valueResult.length
+            end = i,
-        ParserResult(
+            leftValueResult,
-            BinaryExpression(
+            operatorResult,
-                parserResult.data, operatorResult.data, valueResult.data
+            rightValueResult
-            ), i - offset
         )
     }
 
-    val logicalOperatorParser = Parser { source, offset, _ ->
+    private fun logicalOperatorParser(
+        source: CharSequence,
+        offset: Int
+    ): PositionImpl<LogicalOperator> {
         var i = offset
         i += whiteCharParser(source, i).length
         val operator = LogicalOperator.allSubClasses.find { logicalOperator ->
             source.startsWith(logicalOperator.key, offset)
         } ?: gkdError(source, offset, "LogicalOperator")
-        ParserResult(operator, operator.key.length)
+        return PositionImpl(
+            start = i,
+            end = i + operator.key.length,
+            value = operator
+        )
     }
 
+    private fun unaryExpressionParser(
+        source: CharSequence,
+        offset: Int
+    ): NotExpression {
+        var i = offset
+        i += whiteCharParser(source, i).length
+        gkdAssert(source, i, "!")
+        val start = i
+        i += 1
+        gkdAssert(source, i, "(")
+        val expression = expressionParser(source, i, true)
+        i += expression.length
+        return NotExpression(
+            start = start,
+            expression
+        )
+    }
 
     //    a>1 && a>1 || a>1
 //    (a>1 || a>1) && a>1
-    fun expressionParser(source: String, offset: Int): ParserResult<Expression> {
+    fun expressionParser(
+        source: CharSequence,
+        offset: Int,
+        one: Boolean = false, // 是否只解析一个表达式
+    ): Expression {
         var i = offset
         i += whiteCharParser(source, i).length
 //        [exp, ||, exp, &&, &&]
-        val parserResults = mutableListOf<ParserResult<*>>()
+        val parserResults = mutableListOf<Position>()
         while (i < source.length && source[i] != ']' && source[i] != ')') {
             when (source[i]) {
                 '(' -> {
+                    val start = i
                     if (parserResults.isNotEmpty()) {
                         val lastToken = parserResults.last()
-                        if (lastToken.data !is LogicalOperator) {
+                        if (!(lastToken is PositionImpl<*> && lastToken.value is LogicalOperator)) {
                             var count = 0
                             while (i - 1 >= count && source[i - 1 - count] in whiteCharParser.prefix) {
                                 count++
@@ -450,16 +612,44 @@ internal object ParserSet {
                             )
                         }
                     }
+                    // [(a)=1]
+                    // [(a=1)]
                     i++
-                    parserResults.add(expressionParser(source, i).apply { i += length })
+                    val exp = expressionParser(source, i).apply { i += length }
                     gkdAssert(source, i, ")")
                     i++
+                    val end = i
+                    parserResults.add(
+                        when (exp) {
+                            is BinaryExpression -> exp.copy(
+                                start = start,
+                                end = end
+                            )
+
+                            is LogicalExpression -> exp.copy(
+                                start = start,
+                                end = end
+                            )
+
+                            is NotExpression -> exp.copy(
+                                start = start
+                            )
+                        }
+                    )
+                    if (one) {
+                        break
+                    }
                 }
 
                 in "|&" -> {
                     parserResults.add(logicalOperatorParser(source, i).apply { i += length })
                     i += whiteCharParser(source, i).length
-                    gkdAssert(source, i, "(" + propertyParser.prefix)
+                    gkdAssert(source, i, "(!" + propertyParser.prefix)
+                }
+
+                '!' -> {
+                    parserResults.add(unaryExpressionParser(source, i).apply { i += length })
+                    i += whiteCharParser(source, i).length
                 }
 
                 else -> {
@@ -474,21 +664,29 @@ internal object ParserSet {
             )
         }
         if (parserResults.size == 1) {
-            return ParserResult(parserResults.first().data as Expression, i - offset)
+            return parserResults.first() as Expression
         }
 
 //        运算符优先级 && > ||
 //        a && b || c -> ab || c
 //        0 1  2 3  4 -> 0  1  2
-        val tokens = parserResults.map { it.data }.toMutableList()
+        val tokens = parserResults.toMutableList()
         var index = 0
         while (index < tokens.size) {
             val token = tokens[index]
-            if (token == LogicalOperator.AndOperator) {
+            if (token is PositionImpl<*> && token.value == LogicalOperator.AndOperator) {
+                val left = tokens[index - 1] as Expression
+                val right = tokens[index + 1] as Expression
+
+                @Suppress("UNCHECKED_CAST")
+                val operator = token as PositionImpl<LogicalOperator>
                 tokens[index] = LogicalExpression(
-                    left = tokens[index - 1] as Expression,
+                    start = left.start,
-                    operator = LogicalOperator.AndOperator,
+                    end = right.end,
-                    right = tokens[index + 1] as Expression
+                    left = left,
+
+                    operator = operator,
+                    right = right
                 )
                 tokens.removeAt(index - 1)
                 tokens.removeAt(index + 1 - 1)
@@ -497,15 +695,22 @@ internal object ParserSet {
             }
         }
         while (tokens.size > 1) {
+            val left = tokens[0] as Expression
+
+            @Suppress("UNCHECKED_CAST")
+            val operator = tokens[1] as PositionImpl<LogicalOperator>
+            val right = tokens[2] as Expression
             tokens[1] = LogicalExpression(
-                left = tokens[0] as Expression,
+                start = left.start,
-                operator = tokens[1] as LogicalOperator.OrOperator,
+                end = right.end,
-                right = tokens[2] as Expression
+                left = left,
+                operator = operator,
+                right = right
             )
             tokens.removeAt(0)
             tokens.removeAt(2 - 1)
         }
-        return ParserResult(tokens.first() as Expression, i - offset)
+        return tokens.first() as Expression
     }
 
 
@@ -519,7 +724,7 @@ internal object ParserSet {
         gkdAssert(source, i, "]")
         i++
         ParserResult(
-            exp.data, i - offset
+            exp, i - offset
         )
     }
 
@@ -578,30 +783,30 @@ internal object ParserSet {
         }
         ParserResult(Unit, 0)
     }
-
+}
-    val selectorParser: (String) -> Selector = { source ->
+
-        var i = 0
+internal fun selectorParser(source: String): Selector {
-        i += whiteCharParser(source, i).length
+    var i = 0
-        val combinatorSelectorResult = connectSelectorParser(source, i)
+    i += whiteCharParser(source, i).length
-        i += combinatorSelectorResult.length
+    val combinatorSelectorResult = connectSelectorParser(source, i)
-
+    i += combinatorSelectorResult.length
-        i += whiteCharParser(source, i).length
+
-        i += endParser(source, i).length
+    i += whiteCharParser(source, i).length
-        val data = combinatorSelectorResult.data
+    i += endParser(source, i).length
-        val propertySelectorList = mutableListOf<PropertySegment>()
+    val data = combinatorSelectorResult.data
-        val combinatorSelectorList = mutableListOf<ConnectSegment>()
+    val propertySelectorList = mutableListOf<PropertySegment>()
-        propertySelectorList.add(data.first)
+    val combinatorSelectorList = mutableListOf<ConnectSegment>()
-        data.second.forEach {
+    propertySelectorList.add(data.first)
-            propertySelectorList.add(it.second)
+    data.second.forEach {
-            combinatorSelectorList.add(it.first)
+        propertySelectorList.add(it.second)
-        }
+        combinatorSelectorList.add(it.first)
-        val wrapperList = mutableListOf(PropertyWrapper(propertySelectorList.first()))
+    }
-        combinatorSelectorList.forEachIndexed { index, combinatorSelector ->
+    val wrapperList = mutableListOf(PropertyWrapper(propertySelectorList.first()))
-            val combinatorSelectorWrapper = ConnectWrapper(combinatorSelector, wrapperList.last())
+    combinatorSelectorList.forEachIndexed { index, combinatorSelector ->
-            val propertySelectorWrapper =
+        val combinatorSelectorWrapper = ConnectWrapper(combinatorSelector, wrapperList.last())
-                PropertyWrapper(propertySelectorList[index + 1], combinatorSelectorWrapper)
+        val propertySelectorWrapper =
-            wrapperList.add(propertySelectorWrapper)
+            PropertyWrapper(propertySelectorList[index + 1], combinatorSelectorWrapper)
-        }
+        wrapperList.add(propertySelectorWrapper)
-        Selector(wrapperList.last())
+    }
-    }
+    return Selector(source, wrapperList.last())
 }

selector/src/commonMain/kotlin/li/songe/selector/util.kt

@@ -0,0 +1,280 @@
+package li.songe.selector
+
+import kotlin.js.JsExport
+
+fun escapeString(value: String, wrapChar: Char = '"'): String {
+    val sb = StringBuilder(value.length + 2)
+    sb.append(wrapChar)
+    value.forEach { c ->
+        val escapeChar = when (c) {
+            wrapChar -> wrapChar
+            '\n' -> 'n'
+            '\r' -> 'r'
+            '\t' -> 't'
+            '\b' -> 'b'
+            '\\' -> '\\'
+            else -> null
+        }
+        if (escapeChar != null) {
+            sb.append("\\" + escapeChar)
+        } else {
+            when (c.code) {
+                in 0..0xf -> {
+                    sb.append("\\x0" + c.code.toString(16))
+                }
+
+                in 0x10..0x1f -> {
+                    sb.append("\\x" + c.code.toString(16))
+                }
+
+                else -> {
+                    sb.append(c)
+                }
+            }
+        }
+    }
+    sb.append(wrapChar)
+    return sb.toString()
+}
+
+private const val REG_SPECIAL_STRING = "\\^$.?*|+()[]{}"
+private fun getMatchValue(value: String, prefix: String, suffix: String): String? {
+    if (value.startsWith(prefix) && value.endsWith(suffix) && value.length >= (prefix.length + suffix.length)) {
+        for (i in prefix.length until value.length - suffix.length) {
+            if (value[i] in REG_SPECIAL_STRING) {
+                return null
+            }
+        }
+        return value.subSequence(prefix.length, value.length - suffix.length).toString()
+    }
+    return null
+}
+
+internal fun optimizeMatchString(value: String): ((CharSequence) -> Boolean)? {
+    getMatchValue(value, "(?is)", ".*")?.let { startsWithValue ->
+        return { value -> value.startsWith(startsWithValue, ignoreCase = true) }
+    }
+    getMatchValue(value, "(?is).*", ".*")?.let { containsValue ->
+        return { value -> value.contains(containsValue, ignoreCase = true) }
+    }
+    getMatchValue(value, "(?is).*", "")?.let { endsWithValue ->
+        return { value -> value.endsWith(endsWithValue, ignoreCase = true) }
+    }
+    return null
+}
+
+@JsExport
+class DefaultTypeInfo(
+    val booleanType: TypeInfo,
+    val intType: TypeInfo,
+    val stringType: TypeInfo,
+    val contextType: TypeInfo,
+    val nodeType: TypeInfo,
+)
+
+@JsExport
+fun initDefaultTypeInfo(): DefaultTypeInfo {
+    val booleanType = TypeInfo(PrimitiveType.BooleanType)
+    val intType = TypeInfo(PrimitiveType.IntType)
+    val stringType = TypeInfo(PrimitiveType.StringType)
+
+    intType.methods = arrayOf(
+        MethodInfo("toString", stringType),
+        MethodInfo("toString", stringType, arrayOf(intType)),
+        MethodInfo("plus", intType, arrayOf(intType)),
+        MethodInfo("minus", intType, arrayOf(intType)),
+        MethodInfo("times", intType, arrayOf(intType)),
+        MethodInfo("div", intType, arrayOf(intType)),
+        MethodInfo("rem", intType, arrayOf(intType)),
+    )
+    stringType.props = arrayOf(
+        PropInfo("length", intType),
+    )
+    stringType.methods = arrayOf(
+        MethodInfo("get", stringType, arrayOf(intType)),
+        MethodInfo("at", stringType, arrayOf(intType)),
+        MethodInfo("substring", stringType, arrayOf(intType, intType)),
+        MethodInfo("toInt", intType),
+        MethodInfo("toInt", intType, arrayOf(intType)),
+        MethodInfo("indexOf", intType, arrayOf(stringType)),
+        MethodInfo("indexOf", intType, arrayOf(stringType, intType)),
+    )
+
+    val contextType = TypeInfo(PrimitiveType.ObjectType("context"))
+    val nodeType = TypeInfo(PrimitiveType.ObjectType("node"))
+
+    nodeType.props = arrayOf(
+        PropInfo("_id", intType),
+        PropInfo("_pid", intType),
+
+        PropInfo("id", stringType),
+        PropInfo("vid", stringType),
+        PropInfo("name", stringType),
+        PropInfo("text", stringType),
+        PropInfo("desc", stringType),
+
+        PropInfo("clickable", booleanType),
+        PropInfo("focusable", booleanType),
+        PropInfo("checkable", booleanType),
+        PropInfo("checked", booleanType),
+        PropInfo("editable", booleanType),
+        PropInfo("longClickable", booleanType),
+        PropInfo("visibleToUser", booleanType),
+
+        PropInfo("left", intType),
+        PropInfo("top", intType),
+        PropInfo("right", intType),
+        PropInfo("bottom", intType),
+        PropInfo("width", intType),
+        PropInfo("height", intType),
+
+        PropInfo("childCount", intType),
+        PropInfo("index", intType),
+        PropInfo("depth", intType),
+
+        PropInfo("parent", nodeType),
+    )
+    nodeType.methods = arrayOf(
+        MethodInfo("getChild", nodeType, arrayOf(intType)),
+    )
+    contextType.methods = arrayOf(*nodeType.methods)
+    contextType.props = arrayOf(*nodeType.props)
+    return DefaultTypeInfo(
+        booleanType = booleanType,
+        intType = intType,
+        stringType = stringType,
+        contextType = contextType,
+        nodeType = nodeType
+    )
+}
+
+@JsExport
+fun getIntInvoke(target: Int, name: String, args: List<Any?>): Any? {
+    return when (name) {
+        "plus" -> {
+            target + (args.getIntOrNull() ?: return null)
+        }
+
+        "minus" -> {
+            target - (args.getIntOrNull() ?: return null)
+        }
+
+        "times" -> {
+            target * (args.getIntOrNull() ?: return null)
+        }
+
+        "div" -> {
+            target / (args.getIntOrNull()?.also { if (it == 0) return null } ?: return null)
+        }
+
+        "rem" -> {
+            target % (args.getIntOrNull()?.also { if (it == 0) return null } ?: return null)
+        }
+
+        else -> null
+    }
+}
+
+
+internal fun List<Any?>.getIntOrNull(i: Int = 0): Int? {
+    val v = getOrNull(i)
+    if (v is Int) return v
+    return null
+}
+
+@JsExport
+fun getStringInvoke(target: String, name: String, args: List<Any?>): Any? {
+    return getCharSequenceInvoke(target, name, args)
+}
+
+fun getCharSequenceInvoke(target: CharSequence, name: String, args: List<Any?>): Any? {
+
+    return when (name) {
+        "get" -> {
+            target.getOrNull(args.getIntOrNull() ?: return null).toString()
+        }
+
+        "at" -> {
+            val i = args.getIntOrNull() ?: return null
+            if (i < 0) {
+                target.getOrNull(target.length + i).toString()
+            } else {
+                target.getOrNull(i).toString()
+            }
+        }
+
+        "substring" -> {
+            when (args.size) {
+                1 -> {
+                    val start = args.getIntOrNull() ?: return null
+                    if (start < 0) return null
+                    if (start >= target.length) return ""
+                    target.substring(
+                        start,
+                        target.length
+                    )
+                }
+
+                2 -> {
+                    val start = args.getIntOrNull() ?: return null
+                    if (start < 0) return null
+                    if (start >= target.length) return ""
+                    val end = args.getIntOrNull(1) ?: return null
+                    if (end < start) return null
+                    target.substring(
+                        start,
+                        end.coerceAtMost(target.length)
+                    )
+                }
+
+                else -> {
+                    null
+                }
+            }
+        }
+
+        "toInt" -> when (args.size) {
+            0 -> target.toString().toIntOrNull()
+            1 -> {
+                val radix = args.getIntOrNull() ?: return null
+                if (radix !in 2..36) {
+                    return null
+                }
+                target.toString().toIntOrNull(radix)
+            }
+
+            else -> null
+        }
+
+        "indexOf" -> {
+            when (args.size) {
+                1 -> {
+                    val str = args[0] as? CharSequence ?: return null
+                    target.indexOf(str.toString())
+                }
+
+                2 -> {
+                    val str = args[0] as? CharSequence ?: return null
+                    val startIndex = args.getIntOrNull(1) ?: return null
+                    target.indexOf(str.toString(), startIndex)
+                }
+
+                else -> null
+            }
+        }
+
+        else -> null
+    }
+}
+
+@JsExport
+fun getStringAttr(target: String, name: String): Any? {
+    return getCharSequenceAttr(target, name)
+}
+
+fun getCharSequenceAttr(target: CharSequence, name: String): Any? {
+    return when (name) {
+        "length" -> target.length
+        else -> null
+    }
+}

selector/src/jvmTest/kotlin/li/songe/selector/ParserTest.kt

@@ -24,15 +24,47 @@ class ParserTest {
     private val json = Json {
         ignoreUnknownKeys = true
     }
-    private val transform = Transform<TestNode>(getAttr = { node, name ->
+
-        if (name == "_id") return@Transform node.id
+    private fun getNodeAttr(node: TestNode, name: String): Any? {
-        if (name == "_pid") return@Transform node.pid
+        if (name == "_id") return node.id
-        val value = node.attr[name] ?: return@Transform null
+        if (name == "_pid") return node.pid
-        if (value is JsonNull) return@Transform null
+        if (name == "parent") return node.parent
-        value.intOrNull ?: value.booleanOrNull ?: value.content
+        val value = node.attr[name] ?: return null
-    }, getName = { node -> node.attr["name"]?.content }, getChildren = { node ->
+        if (value is JsonNull) return null
-        node.children.asSequence()
+        return value.intOrNull ?: value.booleanOrNull ?: value.content
-    }, getParent = { node -> node.parent })
+    }
+
+    private fun getNodeInvoke(target: TestNode, name: String, args: List<Any?>): Any? {
+        when (name) {
+            "getChild" -> {
+                val arg = (args.getIntOrNull() ?: return null)
+                return target.children.getOrNull(arg)
+            }
+        }
+        return null
+    }
+
+    private val transform = Transform<TestNode>(
+        getAttr = { target, name ->
+            when (target) {
+                is TestNode -> getNodeAttr(target, name)
+                is String -> getCharSequenceAttr(target, name)
+
+                else -> null
+            }
+        },
+        getInvoke = { target, name, args ->
+            when (target) {
+                is Int -> getIntInvoke(target, name, args)
+                is CharSequence -> getCharSequenceInvoke(target, name, args)
+                is TestNode -> getNodeInvoke(target, name, args)
+                else -> null
+            }
+        },
+        getName = { node -> node.attr["name"]?.content },
+        getChildren = { node -> node.children.asSequence() },
+        getParent = { node -> node.parent }
+    )
 
     private val idToSnapshot = HashMap<String, TestNode>()
 
@@ -42,7 +74,7 @@ class ParserTest {
 
         val file = assetsDir.resolve("$githubAssetId.json")
         if (!file.exists()) {
-            URL("https://github.com/gkd-kit/inspect/files/${githubAssetId}/file.zip").openStream()
+            URL("https://f.gkd.li/${githubAssetId}").openStream()
                 .use { inputStream ->
                     val zipInputStream = ZipInputStream(inputStream)
                     var entry = zipInputStream.nextEntry
@@ -78,7 +110,7 @@ class ParserTest {
 
     @Test
     fun test_expression() {
-        println(ParserSet.expressionParser("a>1&&b>1&&c>1||d>1", 0).data)
+        println(ParserSet.expressionParser("a>1&&b>1&&c>1||d>1", 0))
         println(Selector.parse("View[a>1&&b>1&&c>1||d>1&&x^=1] > Button[a>1||b*='zz'||c^=1]"))
         println(Selector.parse("[id=`com.byted.pangle:id/tt_splash_skip_btn`||(id=`com.hupu.games:id/tv_time`&&text*=`跳过`)]"))
     }
@@ -89,8 +121,8 @@ class ParserTest {
             "ImageView < @FrameLayout < LinearLayout < RelativeLayout <n LinearLayout < RelativeLayout + LinearLayout > RelativeLayout > TextView[text\$='广告']"
         val selector = Selector.parse(text)
         println("trackIndex: " + selector.trackIndex)
-        println("canCacheIndex: " + Selector.parse("A + B").canCacheIndex)
+        println("canCacheIndex: " + Selector.parse("A + B").useCache)
-        println("canCacheIndex: " + Selector.parse("A > B - C").canCacheIndex)
+        println("canCacheIndex: " + Selector.parse("A > B - C").useCache)
     }
 
     @Test
@@ -118,7 +150,7 @@ class ParserTest {
     fun check_parser() {
         val selector = Selector.parse("View > Text[index>-0]")
         println("selector: $selector")
-        println("canCacheIndex: " + selector.canCacheIndex)
+        println("canCacheIndex: " + selector.useCache)
     }
 
 
@@ -188,7 +220,7 @@ class ParserTest {
 
     @Test
     fun check_regex() {
-        val source = "[vid~=`(?is)TV.*`]"
+        val source = "[1<parent.getChild][vid=`im_cover`]"
         println("source:$source")
         val selector = Selector.parse(source)
         val snapshotNode = getOrDownloadNode("https://i.gkd.li/i/14445410")
@@ -196,4 +228,32 @@ class ParserTest {
         println("result:" + transform.querySelectorAll(snapshotNode, selector).map { n -> n.id }
             .toList())
     }
+
+    @Test
+    fun check_var() {
+        val result = ParserSet.parseVariable("rem(3)", 0)
+        println("result: $result")
+        println("check_var: " + result.stringify())
+
+        val selector = Selector.parse("[vid.get(-2)=`l`]")
+        println("selector: $selector")
+
+        val snapshotNode = getOrDownloadNode("https://i.gkd.li/i/14445410")
+        println(
+            "result: [" + transform.querySelectorAll(snapshotNode, selector)
+                .joinToString("||") { "_id=${it.id}" } + "]"
+        )
+    }
+
+    @Test
+    fun check_type() {
+        val source =
+            "[visibleToUser=true][((parent.getChild(0,).getChild( (0), )=null) && (((``  >=  1)))) || (name=null && desc=null)]"
+        val selector = Selector.parse(source)
+        val typeInfo = initDefaultTypeInfo().contextType
+        val error = selector.checkType(typeInfo)
+        println("useCache: ${selector.useCache}")
+        println("error: $error")
+        println("check_type: $selector")
+    }
 }