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.../src/main/scala/org/polyvariant/treesitter4s/bindings/python/PythonLanguageBindings.scala
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| /* | ||
| * Copyright 2022 Polyvariant | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| package org.polyvariant.treesitter4s.bindings.python | ||
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| import org.polyvariant.treesitter4s.Language | ||
| import scalajs.js | ||
| import js.annotation.JSImport | ||
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| object PythonLanguageBindings { | ||
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| @js.native | ||
| @js.annotation.JSImport("tree-sitter-python", JSImport.Namespace) | ||
| def Python: Language = js.native | ||
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| } |
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...js/src/main/scala/org/polyvariant/treesitter4s/bindings/scala/ScalaLanguageBindings.scala
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| /* | ||
| * Copyright 2022 Polyvariant | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| package org.polyvariant.treesitter4s.bindings.scala | ||
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| import org.polyvariant.treesitter4s.Language | ||
| import scalajs.js | ||
| import js.annotation.JSImport | ||
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| object ScalaLanguageBindings { | ||
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| @js.native | ||
| @js.annotation.JSImport("tree-sitter-scala", JSImport.Namespace) | ||
| def Scala: Language = js.native | ||
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| } |
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20 changes: 20 additions & 0 deletions
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core/.js/src/main/scala/org/polyvariant/treesitter4s/Language.scala
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| /* | ||
| * Copyright 2022 Polyvariant | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| package org.polyvariant.treesitter4s | ||
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| @scalajs.js.native | ||
| trait Language extends scalajs.js.Any |
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core/.js/src/main/scala/org/polyvariant/treesitter4s/TreeSitterPlatform.scala
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| /* | ||
| * Copyright 2022 Polyvariant | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| package org.polyvariant.treesitter4s | ||
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| import scala.scalajs.js | ||
| import scala.scalajs.js.UndefOr | ||
| import scala.scalajs.js.annotation.JSImport | ||
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| @js.native | ||
| @JSImport("tree-sitter", JSImport.Namespace) | ||
| private class Parser extends js.Object { | ||
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| def setLanguage(language: js.Any): Unit = js.native | ||
| def parse(s: String): TSTree = js.native | ||
| } | ||
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| @js.native | ||
| trait TSTree extends js.Object { | ||
| def rootNode: SyntaxNode = js.native | ||
| } | ||
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| @js.native | ||
| trait TSCursor extends js.Object { | ||
| def gotoFirstChild(): Boolean = js.native | ||
| def gotoNextSibling(): Boolean = js.native | ||
| def currentFieldName: UndefOr[String] = js.native | ||
| } | ||
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| @js.native | ||
| trait SyntaxNode extends js.Object { | ||
| def children: js.Array[SyntaxNode] = js.native | ||
| def `type`: String = js.native | ||
| def startIndex: Int = js.native | ||
| def endIndex: Int = js.native | ||
| def text: String = js.native | ||
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| def walk(): TSCursor | ||
| } | ||
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| protected trait TreeSitterPlatform { | ||
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| def make(language: Language): TreeSitter = | ||
| new TreeSitter { | ||
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| def parse(source: String): Tree = { | ||
| val p = new Parser() | ||
| p.setLanguage(language) | ||
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| val t = p.parse(source) | ||
| new Tree { | ||
| val rootNode: Option[Node] = Some(unwrapNode(t.rootNode)) | ||
| } | ||
| } | ||
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| private def unwrapNode(nativeNode: SyntaxNode): Node = | ||
| new Node { | ||
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| val source: String = nativeNode.text | ||
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| val text: String = nativeNode.toString() | ||
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| val tpe: String = nativeNode.`type` | ||
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| val children: List[Node] = | ||
| nativeNode | ||
| .children | ||
| .map(unwrapNode(_)) | ||
| .toList | ||
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| val fields: Map[String, Node] = { | ||
| // Workaround for the node interface not having proper field names: | ||
| // we walk the node's children and gather the field names that way. | ||
| val fieldMap = Map.newBuilder[String, Node] | ||
| val c = nativeNode.walk() | ||
| c.gotoFirstChild() | ||
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| var i = 0 | ||
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| while ({ | ||
| c.currentFieldName.toOption match { | ||
| case Some(fn) => fieldMap += (fn -> children(i)) | ||
| case None => () | ||
| } | ||
| i += 1 | ||
| c.gotoNextSibling() | ||
| }) {} | ||
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| fieldMap.result() | ||
| } | ||
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| val startByte: Int = nativeNode.startIndex | ||
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| val endByte: Int = nativeNode.endIndex | ||
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| } | ||
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| } | ||
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| } |
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