org.jetbrains.kotlin.serialization.js.ast.JsAstSerializerBase.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
package org.jetbrains.kotlin.serialization.js.ast
import org.jetbrains.kotlin.js.backend.ast.*
import org.jetbrains.kotlin.js.backend.ast.metadata.*
import java.util.*
abstract class JsAstSerializerBase {
protected val nameTableBuilder = JsAstProtoBuf.NameTable.newBuilder()
protected val stringTableBuilder = JsAstProtoBuf.StringTable.newBuilder()
protected val nameMap = mutableMapOf()
protected val stringMap = mutableMapOf()
protected val fileStack: Deque = ArrayDeque()
protected val importedNames = mutableSetOf()
protected fun serialize(statement: JsStatement): JsAstProtoBuf.Statement {
val visitor = object : JsVisitor() {
val builder = JsAstProtoBuf.Statement.newBuilder()
override fun visitReturn(x: JsReturn) {
val returnBuilder = JsAstProtoBuf.Return.newBuilder()
x.expression?.let { returnBuilder.value = serialize(it) }
builder.returnStatement = returnBuilder.build()
}
override fun visitThrow(x: JsThrow) {
val throwBuilder = JsAstProtoBuf.Throw.newBuilder()
throwBuilder.exception = serialize(x.expression)
builder.throwStatement = throwBuilder.build()
}
override fun visitBreak(x: JsBreak) {
val breakBuilder = JsAstProtoBuf.Break.newBuilder()
x.label?.let { breakBuilder.labelId = serialize(it.name!!) }
builder.breakStatement = breakBuilder.build()
}
override fun visitContinue(x: JsContinue) {
val continueBuilder = JsAstProtoBuf.Continue.newBuilder()
x.label?.let { continueBuilder.labelId = serialize(it.name!!) }
builder.continueStatement = continueBuilder.build()
}
override fun visitDebugger(x: JsDebugger) {
builder.debugger = JsAstProtoBuf.Debugger.newBuilder().build()
}
override fun visitExpressionStatement(x: JsExpressionStatement) {
val statementBuilder = JsAstProtoBuf.ExpressionStatement.newBuilder()
statementBuilder.expression = serialize(x.expression)
val tag = x.exportedTag
if (tag != null) {
statementBuilder.exportedTagId = serialize(tag)
}
builder.expression = statementBuilder.build()
}
override fun visitVars(x: JsVars) {
builder.vars = serializeVars(x)
}
override fun visitBlock(x: JsBlock) {
when (x) {
is JsCompositeBlock -> { builder.compositeBlock = serializeBlock(x) }
else -> {
val blockBuilder = JsAstProtoBuf.Block.newBuilder()
for (part in x.statements) {
blockBuilder.addStatement(serialize(part))
}
builder.block = blockBuilder.build()
}
}
}
override fun visitLabel(x: JsLabel) {
val labelBuilder = JsAstProtoBuf.Label.newBuilder()
labelBuilder.nameId = serialize(x.name)
labelBuilder.innerStatement = serialize(x.statement)
builder.label = labelBuilder.build()
}
override fun visitIf(x: JsIf) {
val ifBuilder = JsAstProtoBuf.If.newBuilder()
ifBuilder.condition = serialize(x.ifExpression)
ifBuilder.thenStatement = serialize(x.thenStatement)
x.elseStatement?.let { ifBuilder.elseStatement = serialize(it) }
builder.ifStatement = ifBuilder.build()
}
override fun visit(x: JsSwitch) {
val switchBuilder = JsAstProtoBuf.Switch.newBuilder()
switchBuilder.expression = serialize(x.expression)
for (case in x.cases) {
val entryBuilder = JsAstProtoBuf.SwitchEntry.newBuilder()
withLocation(case, { entryBuilder.fileId = it }, { entryBuilder.location = it }) {}
if (case is JsCase) {
entryBuilder.label = serialize(case.caseExpression)
}
for (part in case.statements) {
entryBuilder.addStatement(serialize(part))
}
switchBuilder.addEntry(entryBuilder)
}
builder.switchStatement = switchBuilder.build()
}
override fun visitWhile(x: JsWhile) {
val whileBuilder = JsAstProtoBuf.While.newBuilder()
whileBuilder.condition = serialize(x.condition)
whileBuilder.body = serialize(x.body)
builder.whileStatement = whileBuilder.build()
}
override fun visitDoWhile(x: JsDoWhile) {
val doWhileBuilder = JsAstProtoBuf.DoWhile.newBuilder()
doWhileBuilder.condition = serialize(x.condition)
doWhileBuilder.body = serialize(x.body)
builder.doWhileStatement = doWhileBuilder.build()
}
override fun visitFor(x: JsFor) {
val forBuilder = JsAstProtoBuf.For.newBuilder()
when {
x.initVars != null -> forBuilder.variables = serialize(x.initVars)
x.initExpression != null -> forBuilder.expression = serialize(x.initExpression)
else -> forBuilder.empty = JsAstProtoBuf.EmptyInit.newBuilder().build()
}
x.condition?.let { forBuilder.condition = serialize(it) }
x.incrementExpression?.let { forBuilder.increment = serialize(it) }
forBuilder.body = serialize(x.body ?: JsEmpty)
builder.forStatement = forBuilder.build()
}
override fun visitForIn(x: JsForIn) {
val forInBuilder = JsAstProtoBuf.ForIn.newBuilder()
when {
x.iterVarName != null -> forInBuilder.nameId = serialize(x.iterVarName)
x.iterExpression != null -> forInBuilder.expression = serialize(x.iterExpression)
}
forInBuilder.iterable = serialize(x.objectExpression)
forInBuilder.body = serialize(x.body)
builder.forInStatement = forInBuilder.build()
}
override fun visitTry(x: JsTry) {
val tryBuilder = JsAstProtoBuf.Try.newBuilder()
tryBuilder.tryBlock = serialize(x.tryBlock)
x.catches.firstOrNull()?.let { c ->
val catchBuilder = JsAstProtoBuf.Catch.newBuilder()
catchBuilder.parameter = serializeParameter(c.parameter)
catchBuilder.body = serialize(c.body)
tryBuilder.catchBlock = catchBuilder.build()
}
x.finallyBlock?.let { tryBuilder.finallyBlock = serialize(it) }
builder.tryStatement = tryBuilder.build()
}
override fun visitEmpty(x: JsEmpty) {
builder.empty = JsAstProtoBuf.Empty.newBuilder().build()
}
override fun visitSingleLineComment(comment: JsSingleLineComment) {
builder.singleLineComment = JsAstProtoBuf.SingleLineComment.newBuilder().setMessage(comment.text).build()
}
override fun visitMultiLineComment(comment: JsMultiLineComment) {
builder.multiLineComment = JsAstProtoBuf.MultiLineComment.newBuilder().setMessage(comment.text).build()
}
}
withComments(statement, { visitor.builder.addBeforeComments(it) }, { visitor.builder.addAfterComments(it) }) {
withLocation(statement, { visitor.builder.fileId = it }, { visitor.builder.location = it }) {
statement.accept(visitor)
}
}
if (statement is HasMetadata && statement.synthetic) {
visitor.builder.synthetic = true
}
if (visitor.builder.statementCase == JsAstProtoBuf.Statement.StatementCase.STATEMENT_NOT_SET) {
error("Unknown statement type: ${statement::class.qualifiedName}")
}
return visitor.builder.build()
}
protected fun serialize(expression: JsExpression): JsAstProtoBuf.Expression {
val visitor = object : JsVisitor() {
val builder = JsAstProtoBuf.Expression.newBuilder()
override fun visitThis(x: JsThisRef) {
builder.thisLiteral = JsAstProtoBuf.ThisLiteral.newBuilder().build()
}
override fun visitNull(x: JsNullLiteral) {
builder.nullLiteral = JsAstProtoBuf.NullLiteral.newBuilder().build()
}
override fun visitBoolean(x: JsBooleanLiteral) {
if (x.value) {
builder.trueLiteral = JsAstProtoBuf.TrueLiteral.newBuilder().build()
} else {
builder.falseLiteral = JsAstProtoBuf.FalseLiteral.newBuilder().build()
}
}
override fun visitString(x: JsStringLiteral) {
builder.stringLiteral = serialize(x.value)
}
override fun visitRegExp(x: JsRegExp) {
val regExpBuilder = JsAstProtoBuf.RegExpLiteral.newBuilder()
regExpBuilder.patternStringId = serialize(x.pattern)
x.flags?.let { regExpBuilder.flagsStringId = serialize(it) }
builder.regExpLiteral = regExpBuilder.build()
}
override fun visitInt(x: JsIntLiteral) {
builder.intLiteral = x.value
}
override fun visitDouble(x: JsDoubleLiteral) {
builder.doubleLiteral = x.value
}
override fun visitArray(x: JsArrayLiteral) {
val arrayBuilder = JsAstProtoBuf.ArrayLiteral.newBuilder()
x.expressions.forEach { arrayBuilder.addElement(serialize(it)) }
builder.arrayLiteral = arrayBuilder.build()
}
override fun visitObjectLiteral(x: JsObjectLiteral) {
val objectBuilder = JsAstProtoBuf.ObjectLiteral.newBuilder()
for (initializer in x.propertyInitializers) {
val entryBuilder = JsAstProtoBuf.ObjectLiteralEntry.newBuilder()
entryBuilder.key = serialize(initializer.labelExpr)
entryBuilder.value = serialize(initializer.valueExpr)
objectBuilder.addEntry(entryBuilder)
}
objectBuilder.multiline = x.isMultiline
builder.objectLiteral = objectBuilder.build()
}
override fun visitFunction(x: JsFunction) {
val functionBuilder = JsAstProtoBuf.Function.newBuilder()
x.parameters.forEach { functionBuilder.addParameter(serializeParameter(it)) }
x.name?.let { functionBuilder.nameId = serialize(it) }
functionBuilder.body = serialize(x.body)
if (x.isLocal) {
functionBuilder.local = true
}
builder.function = functionBuilder.build()
}
override fun visitDocComment(comment: JsDocComment) {
val commentBuilder = JsAstProtoBuf.DocComment.newBuilder()
for ((name, value) in comment.tags) {
val tagBuilder = JsAstProtoBuf.DocCommentTag.newBuilder()
tagBuilder.nameId = serialize(name)
when (value) {
is JsNameRef -> tagBuilder.expression = serialize(value)
is String -> tagBuilder.valueStringId = serialize(value)
}
commentBuilder.addTag(tagBuilder)
}
builder.docComment = commentBuilder.build()
}
override fun visitBinaryExpression(x: JsBinaryOperation) {
val binaryBuilder = JsAstProtoBuf.BinaryOperation.newBuilder()
binaryBuilder.left = serialize(x.arg1)
binaryBuilder.right = serialize(x.arg2)
binaryBuilder.type = map(x.operator)
builder.binary = binaryBuilder.build()
}
override fun visitPrefixOperation(x: JsPrefixOperation) {
builder.unary = serializeUnary(x, postfix = false)
}
override fun visitPostfixOperation(x: JsPostfixOperation) {
builder.unary = serializeUnary(x, postfix = true)
}
override fun visitConditional(x: JsConditional) {
val conditionalBuilder = JsAstProtoBuf.Conditional.newBuilder()
conditionalBuilder.testExpression = serialize(x.testExpression)
conditionalBuilder.thenExpression = serialize(x.thenExpression)
conditionalBuilder.elseExpression = serialize(x.elseExpression)
builder.conditional = conditionalBuilder.build()
}
override fun visitArrayAccess(x: JsArrayAccess) {
val arrayAccessBuilder = JsAstProtoBuf.ArrayAccess.newBuilder()
arrayAccessBuilder.array = serialize(x.arrayExpression)
arrayAccessBuilder.index = serialize(x.indexExpression)
builder.arrayAccess = arrayAccessBuilder.build()
}
override fun visitNameRef(nameRef: JsNameRef) {
val name = nameRef.name
val qualifier = nameRef.qualifier
if (name != null) {
if (qualifier != null || nameRef.isInline == true) {
val nameRefBuilder = JsAstProtoBuf.NameReference.newBuilder()
nameRefBuilder.nameId = serialize(name)
if (qualifier != null) {
nameRefBuilder.qualifier = serialize(qualifier)
}
nameRef.isInline?.let {
nameRefBuilder.inlineStrategy = if (it) JsAstProtoBuf.InlineStrategy.IN_PLACE else JsAstProtoBuf.InlineStrategy.NOT_INLINE
}
builder.nameReference = nameRefBuilder.build()
} else {
builder.simpleNameReference = serialize(name)
}
} else {
val propertyRefBuilder = JsAstProtoBuf.PropertyReference.newBuilder()
propertyRefBuilder.stringId = serialize(nameRef.ident)
qualifier?.let { propertyRefBuilder.qualifier = serialize(it) }
nameRef.isInline?.let {
propertyRefBuilder.inlineStrategy = if (it) JsAstProtoBuf.InlineStrategy.IN_PLACE else JsAstProtoBuf.InlineStrategy.NOT_INLINE
}
builder.propertyReference = propertyRefBuilder.build()
}
}
override fun visitInvocation(invocation: JsInvocation) {
val invocationBuilder = JsAstProtoBuf.Invocation.newBuilder()
invocationBuilder.qualifier = serialize(invocation.qualifier)
invocation.arguments.forEach { invocationBuilder.addArgument(serialize(it)) }
if (invocation.isInline == true) {
invocationBuilder.inlineStrategy = JsAstProtoBuf.InlineStrategy.IN_PLACE
}
builder.invocation = invocationBuilder.build()
}
override fun visitNew(x: JsNew) {
val instantiationBuilder = JsAstProtoBuf.Instantiation.newBuilder()
instantiationBuilder.qualifier = serialize(x.constructorExpression)
x.arguments.forEach { instantiationBuilder.addArgument(serialize(it)) }
builder.instantiation = instantiationBuilder.build()
}
}
withComments(expression, { visitor.builder.addBeforeComments(it) }, { visitor.builder.addAfterComments(it) }) {
withLocation(expression, { visitor.builder.fileId = it }, { visitor.builder.location = it }) {
expression.accept(visitor)
}
}
with(visitor.builder) {
synthetic = expression.synthetic
sideEffects = map(expression.sideEffects)
expression.localAlias?.let { localAlias = serialize(it) }
}
return visitor.builder.build()
}
protected fun serialize(module: JsImportedModule): JsAstProtoBuf.JsImportedModule {
val moduleBuilder = JsAstProtoBuf.JsImportedModule.newBuilder()
moduleBuilder.externalName = serialize(module.externalName)
moduleBuilder.internalName = serialize(module.internalName)
module.plainReference?.let {
moduleBuilder.plainReference = serialize(it)
}
return moduleBuilder.build()
}
protected fun serializeParameter(parameter: JsParameter): JsAstProtoBuf.Parameter {
val parameterBuilder = JsAstProtoBuf.Parameter.newBuilder()
parameterBuilder.nameId = serialize(parameter.name)
if (parameter.hasDefaultValue) {
parameterBuilder.hasDefaultValue = true
}
return parameterBuilder.build()
}
protected fun serializeBlock(block: JsCompositeBlock): JsAstProtoBuf.CompositeBlock {
val blockBuilder = JsAstProtoBuf.CompositeBlock.newBuilder()
for (part in block.statements) {
blockBuilder.addStatement(serialize(part))
}
return blockBuilder.build()
}
protected fun serializeVars(vars: JsVars): JsAstProtoBuf.Vars {
val varsBuilder = JsAstProtoBuf.Vars.newBuilder()
for (varDecl in vars.vars) {
val declBuilder = JsAstProtoBuf.VarDeclaration.newBuilder()
withLocation(varDecl, { declBuilder.fileId = it }, { declBuilder.location = it }) {
declBuilder.nameId = serialize(varDecl.name)
varDecl.initExpression?.let { declBuilder.initialValue = serialize(it) }
}
varsBuilder.addDeclaration(declBuilder)
}
if (vars.isMultiline) {
varsBuilder.multiline = true
}
vars.exportedPackage?.let { varsBuilder.exportedPackageId = serialize(it) }
return varsBuilder.build()
}
protected fun serializeUnary(x: JsUnaryOperation, postfix: Boolean): JsAstProtoBuf.UnaryOperation {
val unaryBuilder = JsAstProtoBuf.UnaryOperation.newBuilder()
unaryBuilder.operand = serialize(x.arg)
unaryBuilder.type = map(x.operator)
unaryBuilder.postfix = postfix
return unaryBuilder.build()
}
protected fun map(op: JsBinaryOperator) = when (op) {
JsBinaryOperator.MUL -> JsAstProtoBuf.BinaryOperation.Type.MUL
JsBinaryOperator.DIV -> JsAstProtoBuf.BinaryOperation.Type.DIV
JsBinaryOperator.MOD -> JsAstProtoBuf.BinaryOperation.Type.MOD
JsBinaryOperator.ADD -> JsAstProtoBuf.BinaryOperation.Type.ADD
JsBinaryOperator.SUB -> JsAstProtoBuf.BinaryOperation.Type.SUB
JsBinaryOperator.SHL -> JsAstProtoBuf.BinaryOperation.Type.SHL
JsBinaryOperator.SHR -> JsAstProtoBuf.BinaryOperation.Type.SHR
JsBinaryOperator.SHRU -> JsAstProtoBuf.BinaryOperation.Type.SHRU
JsBinaryOperator.LT -> JsAstProtoBuf.BinaryOperation.Type.LT
JsBinaryOperator.LTE -> JsAstProtoBuf.BinaryOperation.Type.LTE
JsBinaryOperator.GT -> JsAstProtoBuf.BinaryOperation.Type.GT
JsBinaryOperator.GTE -> JsAstProtoBuf.BinaryOperation.Type.GTE
JsBinaryOperator.INSTANCEOF -> JsAstProtoBuf.BinaryOperation.Type.INSTANCEOF
JsBinaryOperator.INOP -> JsAstProtoBuf.BinaryOperation.Type.IN
JsBinaryOperator.EQ -> JsAstProtoBuf.BinaryOperation.Type.EQ
JsBinaryOperator.NEQ -> JsAstProtoBuf.BinaryOperation.Type.NEQ
JsBinaryOperator.REF_EQ -> JsAstProtoBuf.BinaryOperation.Type.REF_EQ
JsBinaryOperator.REF_NEQ -> JsAstProtoBuf.BinaryOperation.Type.REF_NEQ
JsBinaryOperator.BIT_AND -> JsAstProtoBuf.BinaryOperation.Type.BIT_AND
JsBinaryOperator.BIT_XOR -> JsAstProtoBuf.BinaryOperation.Type.BIT_XOR
JsBinaryOperator.BIT_OR -> JsAstProtoBuf.BinaryOperation.Type.BIT_OR
JsBinaryOperator.AND -> JsAstProtoBuf.BinaryOperation.Type.AND
JsBinaryOperator.OR -> JsAstProtoBuf.BinaryOperation.Type.OR
JsBinaryOperator.ASG -> JsAstProtoBuf.BinaryOperation.Type.ASG
JsBinaryOperator.ASG_ADD -> JsAstProtoBuf.BinaryOperation.Type.ASG_ADD
JsBinaryOperator.ASG_SUB -> JsAstProtoBuf.BinaryOperation.Type.ASG_SUB
JsBinaryOperator.ASG_MUL -> JsAstProtoBuf.BinaryOperation.Type.ASG_MUL
JsBinaryOperator.ASG_DIV -> JsAstProtoBuf.BinaryOperation.Type.ASG_DIV
JsBinaryOperator.ASG_MOD -> JsAstProtoBuf.BinaryOperation.Type.ASG_MOD
JsBinaryOperator.ASG_SHL -> JsAstProtoBuf.BinaryOperation.Type.ASG_SHL
JsBinaryOperator.ASG_SHR -> JsAstProtoBuf.BinaryOperation.Type.ASG_SHR
JsBinaryOperator.ASG_SHRU -> JsAstProtoBuf.BinaryOperation.Type.ASG_SHRU
JsBinaryOperator.ASG_BIT_AND -> JsAstProtoBuf.BinaryOperation.Type.ASG_BIT_AND
JsBinaryOperator.ASG_BIT_OR -> JsAstProtoBuf.BinaryOperation.Type.ASG_BIT_OR
JsBinaryOperator.ASG_BIT_XOR -> JsAstProtoBuf.BinaryOperation.Type.ASG_BIT_XOR
JsBinaryOperator.COMMA -> JsAstProtoBuf.BinaryOperation.Type.COMMA
}
protected fun map(op: JsUnaryOperator) = when (op) {
JsUnaryOperator.BIT_NOT -> JsAstProtoBuf.UnaryOperation.Type.BIT_NOT
JsUnaryOperator.DEC -> JsAstProtoBuf.UnaryOperation.Type.DEC
JsUnaryOperator.DELETE -> JsAstProtoBuf.UnaryOperation.Type.DELETE
JsUnaryOperator.INC -> JsAstProtoBuf.UnaryOperation.Type.INC
JsUnaryOperator.NEG -> JsAstProtoBuf.UnaryOperation.Type.NEG
JsUnaryOperator.POS -> JsAstProtoBuf.UnaryOperation.Type.POS
JsUnaryOperator.NOT -> JsAstProtoBuf.UnaryOperation.Type.NOT
JsUnaryOperator.TYPEOF -> JsAstProtoBuf.UnaryOperation.Type.TYPEOF
JsUnaryOperator.VOID -> JsAstProtoBuf.UnaryOperation.Type.VOID
}
protected fun map(sideEffects: SideEffectKind) = when (sideEffects) {
SideEffectKind.AFFECTS_STATE -> JsAstProtoBuf.SideEffects.AFFECTS_STATE
SideEffectKind.DEPENDS_ON_STATE -> JsAstProtoBuf.SideEffects.DEPENDS_ON_STATE
SideEffectKind.PURE -> JsAstProtoBuf.SideEffects.PURE
}
protected fun map(specialFunction: SpecialFunction) = when (specialFunction) {
SpecialFunction.DEFINE_INLINE_FUNCTION -> JsAstProtoBuf.SpecialFunction.DEFINE_INLINE_FUNCTION
SpecialFunction.WRAP_FUNCTION -> JsAstProtoBuf.SpecialFunction.WRAP_FUNCTION
SpecialFunction.TO_BOXED_CHAR -> JsAstProtoBuf.SpecialFunction.TO_BOXED_CHAR
SpecialFunction.UNBOX_CHAR -> JsAstProtoBuf.SpecialFunction.UNBOX_CHAR
SpecialFunction.SUSPEND_CALL -> JsAstProtoBuf.SpecialFunction.SUSPEND_CALL
SpecialFunction.COROUTINE_RESULT -> JsAstProtoBuf.SpecialFunction.COROUTINE_RESULT
SpecialFunction.COROUTINE_CONTROLLER -> JsAstProtoBuf.SpecialFunction.COROUTINE_CONTROLLER
SpecialFunction.COROUTINE_RECEIVER -> JsAstProtoBuf.SpecialFunction.COROUTINE_RECEIVER
SpecialFunction.SET_COROUTINE_RESULT -> JsAstProtoBuf.SpecialFunction.SET_COROUTINE_RESULT
SpecialFunction.GET_KCLASS -> JsAstProtoBuf.SpecialFunction.GET_KCLASS
SpecialFunction.GET_REIFIED_TYPE_PARAMETER_KTYPE -> JsAstProtoBuf.SpecialFunction.GET_REIFIED_TYPE_PARAMETER_KTYPE
}
protected fun serialize(name: JsName): Int = nameMap.getOrPut(name) {
val builder = JsAstProtoBuf.Name.newBuilder()
builder.identifier = serialize(name.ident)
builder.temporary = name.isTemporary
name.localAlias?.let {
builder.localNameId = serialize(it)
}
if (name.imported && name !in importedNames) {
builder.imported = true
}
name.specialFunction?.let {
builder.specialFunction = map(it)
}
val result = nameTableBuilder.entryCount
nameTableBuilder.addEntry(builder)
result
}
protected fun serialize(alias: LocalAlias): JsAstProtoBuf.LocalAlias {
val builder = JsAstProtoBuf.LocalAlias.newBuilder()
builder.localNameId = serialize(alias.name)
alias.tag?.let {
builder.tag = serialize(it)
}
return builder.build()
}
protected fun serialize(string: String) = stringMap.getOrPut(string) {
val result = stringTableBuilder.entryCount
stringTableBuilder.addEntry(string)
result
}
protected fun serialize(comment: JsComment): JsAstProtoBuf.Comment {
val builder = JsAstProtoBuf.Comment.newBuilder().apply {
text = comment.text
multiline = when (comment) {
is JsSingleLineComment -> false
is JsMultiLineComment -> true
else -> error("Unknown type of comment ${comment.javaClass.name}")
}
}
return builder.build()
}
private inline fun withLocation(node: JsNode, fileConsumer: (Int) -> Unit, locationConsumer: (JsAstProtoBuf.Location) -> Unit, inner: () -> Unit) {
val location = extractLocation(node)
var fileChanged = false
if (location != null) {
val lastFile = fileStack.peek()
val newFile = location.file
fileChanged = lastFile != newFile
if (fileChanged) {
fileConsumer(serialize(newFile))
fileStack.push(location.file)
}
val locationBuilder = JsAstProtoBuf.Location.newBuilder()
locationBuilder.startLine = location.startLine
locationBuilder.startChar = location.startChar
locationConsumer(locationBuilder.build())
}
inner()
if (fileChanged) {
fileStack.pop()
}
}
private inline fun withComments(
node: JsNode,
beforeCommentsConsumer: (JsAstProtoBuf.Comment) -> Unit,
afterCommentsConsumer: (JsAstProtoBuf.Comment) -> Unit,
inner: () -> Unit
) {
node.commentsBeforeNode?.forEach { beforeCommentsConsumer(serialize(it))}
node.commentsAfterNode?.forEach { afterCommentsConsumer(serialize(it))}
inner()
}
abstract fun extractLocation(node: JsNode): JsLocation?
}