[FIR/IR generator] Reduce duplication when printing curly-braced blocks

This commit is contained in:
Sergej Jaskiewicz
2023-11-10 17:15:29 +01:00
committed by Space Team
parent 18ed85c26e
commit fab63e38aa
9 changed files with 73 additions and 86 deletions
@@ -10,6 +10,7 @@ import org.jetbrains.kotlin.fir.tree.generator.model.*
import org.jetbrains.kotlin.generators.tree.ImportCollector
import org.jetbrains.kotlin.generators.tree.StandardTypes
import org.jetbrains.kotlin.generators.tree.printer.GeneratedFile
import org.jetbrains.kotlin.generators.tree.printer.printBlock
import org.jetbrains.kotlin.generators.tree.printer.printGeneratedType
import org.jetbrains.kotlin.generators.tree.render
import org.jetbrains.kotlin.utils.SmartPrinter
@@ -50,8 +51,7 @@ private fun SmartPrinter.printBuilder(builder: Builder) {
print(builder.parents.joinToString(separator = ", ", prefix = " : ") { it.render() })
}
var hasRequiredFields = false
println(" {")
withIndent {
printBlock {
var needNewLine = false
for (field in builder.allFields) {
val (newLine, requiredFields) = printFieldInBuilder(field, builder, fieldIsUseless = false)
@@ -74,8 +74,7 @@ private fun SmartPrinter.printBuilder(builder: Builder) {
}
print("fun build(): $buildType")
if (builder is LeafBuilder) {
println(" {")
withIndent {
printBlock {
println("return ${builder.implementation.render()}(")
withIndent {
for (field in builder.allFields) {
@@ -91,7 +90,6 @@ private fun SmartPrinter.printBuilder(builder: Builder) {
}
println(")")
}
println("}")
if (hasBackingFields) {
println()
}
@@ -116,7 +114,6 @@ private fun SmartPrinter.printBuilder(builder: Builder) {
}
}
}
println("}")
if (builder is LeafBuilder) {
println()
printDslBuildFunction(builder, hasRequiredFields)
@@ -109,8 +109,7 @@ fun SmartPrinter.printImplementation(implementation: Implementation) {
print("${pureAbstractElementType.render()}(), ")
}
print(allParents.joinToString { "${it.render()}${it.kind.braces()}" })
println(" {")
withIndent {
printBlock {
if (isInterface || isAbstract) {
allFields.forEach {
fieldPrinter.printField(it, override = true, modality = Modality.ABSTRACT.takeIf { isAbstract })
@@ -217,15 +216,14 @@ fun SmartPrinter.printImplementation(implementation: Implementation) {
if (hasTransformChildrenMethod) {
printTransformChildrenMethod(
this,
implementation,
firTransformerType,
this,
implementation,
modality = Modality.ABSTRACT.takeIf { isAbstract },
override = true,
)
if (!isInterface && !isAbstract) {
println(" {")
withIndent {
printBlock {
for (field in transformableChildren) {
when {
field.name == "explicitReceiver" -> {
@@ -275,24 +273,21 @@ fun SmartPrinter.printImplementation(implementation: Implementation) {
}
println("return this")
}
print("}")
}
println()
}
for (field in allFields) {
if (!field.needsSeparateTransform) continue
println()
transformFunctionDeclaration(field, this, override = true, kind!!)
transformFunctionDeclaration(field, implementation, override = true, kind!!)
if (isInterface || isAbstract) {
println()
continue
}
println(" {")
withIndent {
printBlock {
if (field.isMutable && field.isFirType) {
// TODO: replace with smth normal
if (this.typeName == "FirWhenExpressionImpl" && field.name == "subject") {
if (typeName == "FirWhenExpressionImpl" && field.name == "subject") {
println(
"""
|if (subjectVariable != null) {
@@ -309,17 +304,15 @@ fun SmartPrinter.printImplementation(implementation: Implementation) {
}
println("return this")
}
println("}")
}
if (element.needTransformOtherChildren) {
println()
transformOtherChildrenFunctionDeclaration(this, override = true, kind!!)
transformOtherChildrenFunctionDeclaration(implementation, override = true, kind!!)
if (isInterface || isAbstract) {
println()
} else {
println(" {")
withIndent {
printBlock {
for (field in allFields) {
if (!field.isMutable || !field.isFirType || field.name == "subjectVariable") continue
if (!field.needsSeparateTransform) {
@@ -331,7 +324,6 @@ fun SmartPrinter.printImplementation(implementation: Implementation) {
}
println("return this")
}
println("}")
}
}
@@ -396,7 +388,6 @@ fun SmartPrinter.printImplementation(implementation: Implementation) {
}
}
}
println("}")
}
}
@@ -12,13 +12,8 @@ import org.jetbrains.kotlin.fir.tree.generator.firVisitorType
import org.jetbrains.kotlin.fir.tree.generator.model.Element
import org.jetbrains.kotlin.fir.tree.generator.model.Field
import org.jetbrains.kotlin.generators.tree.*
import org.jetbrains.kotlin.generators.tree.printer.FunctionParameter
import org.jetbrains.kotlin.generators.tree.printer.GeneratedFile
import org.jetbrains.kotlin.generators.tree.printer.printFunctionDeclaration
import org.jetbrains.kotlin.generators.tree.printer.printGeneratedType
import org.jetbrains.kotlin.types.Variance
import org.jetbrains.kotlin.generators.tree.printer.*
import org.jetbrains.kotlin.utils.SmartPrinter
import org.jetbrains.kotlin.utils.withIndent
import java.io.File
private class TransformerPrinter(
@@ -61,7 +56,7 @@ private class TransformerPrinter(
)
println()
} else {
printFunctionDeclaration(
printFunctionWithBlockBody(
name = "transform" + element.name,
parameters = listOf(
FunctionParameter(elementParameterName, element),
@@ -70,12 +65,9 @@ private class TransformerPrinter(
returnType = visitMethodReturnType(element),
typeParameters = element.params,
modality = Modality.OPEN,
)
println(" {")
withIndent {
) {
println("return transformElement(", elementParameterName, ", data)")
}
println("}")
}
println()
printVisitMethodDeclaration(
@@ -83,8 +75,7 @@ private class TransformerPrinter(
modality = Modality.FINAL,
override = true,
)
println(" {")
withIndent {
printBlock {
println(
"return transform",
element.name,
@@ -94,7 +85,6 @@ private class TransformerPrinter(
"data)"
)
}
println("}")
}
}
}
@@ -12,6 +12,7 @@ import org.jetbrains.kotlin.descriptors.ValueClassRepresentation
import org.jetbrains.kotlin.generators.tree.*
import org.jetbrains.kotlin.generators.tree.printer.FunctionParameter
import org.jetbrains.kotlin.generators.tree.printer.printFunctionDeclaration
import org.jetbrains.kotlin.generators.tree.printer.printFunctionWithBlockBody
import org.jetbrains.kotlin.ir.generator.config.AbstractTreeBuilder
import org.jetbrains.kotlin.ir.generator.config.ElementConfig
import org.jetbrains.kotlin.ir.generator.config.ElementConfig.Category.*
@@ -776,12 +777,9 @@ object IrTree : AbstractTreeBuilder() {
vararg statements: String,
) {
println()
printFunctionDeclaration(name, listOf(indexParam) + listOfNotNull(additionalParameter), returnType)
println(" {")
withIndent {
printFunctionWithBlockBody(name, listOf(indexParam) + listOfNotNull(additionalParameter), returnType) {
statements.forEach { println(it) }
}
println("}")
}
printFunction(
@@ -60,8 +60,7 @@ private class ElementPrinter(printer: SmartPrinter) : AbstractElementPrinter<Ele
)
if (!element.isRootElement) {
println(" {")
withIndent {
printBlock {
for (child in element.walkableChildren) {
print(child.name)
if (child.nullable) {
@@ -79,9 +78,9 @@ private class ElementPrinter(printer: SmartPrinter) : AbstractElementPrinter<Ele
}
}
}
print("}")
} else {
println()
}
println()
}
if (element.hasTransformChildrenMethod) {
@@ -92,8 +91,7 @@ private class ElementPrinter(printer: SmartPrinter) : AbstractElementPrinter<Ele
override = !element.isRootElement,
)
if (!element.isRootElement) {
println(" {")
withIndent {
printBlock {
for (child in element.transformableChildren) {
print(child.name)
when (child) {
@@ -125,9 +123,9 @@ private class ElementPrinter(printer: SmartPrinter) : AbstractElementPrinter<Ele
}
}
}
print("}")
} else {
println()
}
println()
}
}
}
@@ -7,10 +7,7 @@ package org.jetbrains.kotlin.ir.generator.print
import org.jetbrains.kotlin.descriptors.Modality
import org.jetbrains.kotlin.generators.tree.*
import org.jetbrains.kotlin.generators.tree.printer.FunctionParameter
import org.jetbrains.kotlin.generators.tree.printer.GeneratedFile
import org.jetbrains.kotlin.generators.tree.printer.printFunctionDeclaration
import org.jetbrains.kotlin.generators.tree.printer.printGeneratedType
import org.jetbrains.kotlin.generators.tree.printer.*
import org.jetbrains.kotlin.ir.generator.*
import org.jetbrains.kotlin.ir.generator.model.*
import org.jetbrains.kotlin.util.capitalizeDecapitalize.capitalizeAsciiOnly
@@ -100,12 +97,10 @@ private class TransformerPrinter(
override = true,
)
if (element.transformByChildren) {
println(" {")
withIndent {
printBlock {
println(element.visitorParameterName, ".transformChildren(this, data)")
println("return ", element.visitorParameterName)
}
println("}")
} else {
println(" =")
withIndent {
@@ -162,7 +157,7 @@ private class TransformerVoidPrinter(
override fun SmartPrinter.printAdditionalMethods() {
println()
val typeParameter = TypeVariable("T", listOf(IrTree.rootElement))
printFunctionDeclaration(
printFunctionWithBlockBody(
name = "transformPostfix",
parameters = listOf(FunctionParameter("body", Lambda(receiver = typeParameter, returnType = StandardTypes.unit))),
returnType = typeParameter,
@@ -170,27 +165,21 @@ private class TransformerVoidPrinter(
extensionReceiver = typeParameter,
visibility = Visibility.PROTECTED,
isInline = true,
)
println(" {")
withIndent {
) {
println("transformChildrenVoid()")
println("this.body()")
println("return this")
}
println("}")
println()
printFunctionDeclaration(
printFunctionWithBlockBody(
name = "transformChildrenVoid",
parameters = emptyList(),
returnType = StandardTypes.unit,
extensionReceiver = IrTree.rootElement,
visibility = Visibility.PROTECTED,
)
println(" {")
withIndent {
) {
println("transformChildrenVoid(this@", visitorType.simpleName, ")")
}
println("}")
}
context(ImportCollector)
@@ -201,12 +190,10 @@ private class TransformerVoidPrinter(
println()
printVisitMethodDeclaration(element, hasDataParameter = false, modality = Modality.OPEN)
if (element.transformByChildrenVoid && !element.isPackageFragmentChild) {
println(" {")
withIndent {
printBlock {
println(element.visitorParameterName, ".transformChildren(this, null)")
println("return ", element.visitorParameterName)
}
println("}")
} else {
println(" =")
withIndent {
@@ -242,17 +229,14 @@ fun printTransformerVoid(generationPath: File, model: Model): GeneratedFile =
TransformerVoidPrinter(this, elementTransformerVoidType).printVisitor(model.elements)
println()
val transformerParameter = FunctionParameter("transformer", elementTransformerVoidType)
printFunctionDeclaration(
printFunctionWithBlockBody(
name = "transformChildrenVoid",
parameters = listOf(transformerParameter),
returnType = StandardTypes.unit,
extensionReceiver = IrTree.rootElement,
)
println(" {")
withIndent {
) {
println("transformChildren(", transformerParameter.name, ", null)")
}
println("}")
}
private class TypeTransformerPrinter(
@@ -340,8 +324,7 @@ private class TypeTransformerPrinter(
}
}
println(" {")
withIndent {
printBlock {
when (element.name) {
IrTree.memberAccessExpression.name -> {
if (irTypeFields.singleOrNull()?.name != "typeArguments") {
@@ -385,7 +368,6 @@ private class TypeTransformerPrinter(
", data)"
)
}
println("}")
}
}
}
@@ -146,8 +146,7 @@ abstract class AbstractVisitorPrinter<Element : AbstractElement<Element, Field>,
print(" : ", it.render(), it.inheritanceClauseParenthesis())
}
print(visitorTypeParameters.multipleUpperBoundsList())
println(" {")
withIndent {
printBlock {
printAdditionalMethods()
for (element in elements) {
if (element.isRootElement && visitSuperTypeByDefault) continue
@@ -155,7 +154,6 @@ abstract class AbstractVisitorPrinter<Element : AbstractElement<Element, Field>,
printMethodsForElement(element)
}
}
println("}")
}
}
}
@@ -6,8 +6,8 @@
package org.jetbrains.kotlin.generators.tree
import org.jetbrains.kotlin.descriptors.Modality
import org.jetbrains.kotlin.generators.tree.printer.printBlock
import org.jetbrains.kotlin.utils.SmartPrinter
import org.jetbrains.kotlin.utils.withIndent
abstract class AbstractVisitorVoidPrinter<Element, Field>(
printer: SmartPrinter,
@@ -50,13 +50,11 @@ abstract class AbstractVisitorVoidPrinter<Element, Field>(
)
fun SmartPrinter.printBody(parentInVisitor: Element?) {
println(" {")
if (parentInVisitor != null) {
withIndent {
printBlock {
if (parentInVisitor != null) {
println(parentInVisitor.visitFunctionName, "(", element.visitorParameterName, ")")
}
}
println("}")
}
printer.run {
@@ -161,6 +161,41 @@ fun SmartPrinter.printFunctionDeclaration(
print(typeParameters.multipleUpperBoundsList())
}
context(ImportCollector)
inline fun SmartPrinter.printFunctionWithBlockBody(
name: String,
parameters: List<FunctionParameter>,
returnType: TypeRef,
typeParameters: List<TypeVariable> = emptyList(),
extensionReceiver: TypeRef? = null,
visibility: Visibility = Visibility.PUBLIC,
modality: Modality? = null,
override: Boolean = false,
isInline: Boolean = false,
allParametersOnSeparateLines: Boolean = false,
blockBody: () -> Unit,
) {
printFunctionDeclaration(
name,
parameters,
returnType,
typeParameters,
extensionReceiver,
visibility,
modality,
override,
isInline,
allParametersOnSeparateLines,
)
printBlock(blockBody)
}
inline fun SmartPrinter.printBlock(body: () -> Unit) {
println(" {")
withIndent(body)
println("}")
}
private val dataTP = TypeVariable("D")
private val dataParameter = FunctionParameter("data", dataTP)