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net.binis.codegen.compiler.TreeMaker Maven / Gradle / Ivy
package net.binis.codegen.compiler;
/*-
* #%L
* code-generator
* %%
* Copyright (C) 2021 - 2024 Binis Belev
* %%
* 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.
* #L%
*/
import com.sun.source.util.JavacTask;
import com.sun.source.util.Trees;
import net.binis.codegen.compiler.base.JavaCompilerObject;
import net.binis.codegen.factory.CodeFactory;
import static java.util.Objects.nonNull;
import static net.binis.codegen.tools.Reflection.*;
public class TreeMaker extends JavaCompilerObject {
public static TreeMaker create() {
return new TreeMaker();
}
public TreeMaker() {
super();
}
protected Trees trees;
@Override
protected void init() {
cls = loadClass("com.sun.tools.javac.tree.TreeMaker");
instance = invokeStatic("instance", cls, context);
if (nonNull(env)) {
trees = Trees.instance(env);
} else {
trees = Trees.instance(CodeFactory.create(JavacTask.class));
}
}
public Trees getTrees() {
return trees;
}
public TreeMaker at(int pos) {
invoke("at", instance, pos);
return this;
}
public CGExpression QualIdent(CGSymbol sym) {
var method = findMethod("QualIdent", instance.getClass(), CGSymbol.theClass());
return new CGExpression(invoke(method, instance, sym.getInstance()));
}
public CGAnnotation Annotation(CGExpression annotationType, CGList args) {
var method = findMethod("Annotation", instance.getClass(), CGTree.theClass(), CGList.theClass());
return new CGAnnotation(invoke(method, instance, annotationType.getInstance(), args.getInstance()));
}
public CGAssign Assign(CGExpression lhs, CGExpression rhs) {
var method = findMethod("Assign", instance.getClass(), CGExpression.theClass(), CGExpression.theClass());
return new CGAssign(invoke(method, instance, lhs.getInstance(), rhs.getInstance()));
}
public CGIdent Ident(CGName name) {
var method = findMethod("Ident", instance.getClass(), CGName.theClass());
return new CGIdent(invoke(method, instance, name.getInstance()));
}
public CGLiteral Literal(CGTypeTag tag, Object value) {
var method = findMethod("Literal", instance.getClass(), CGTypeTag.theClass(), Object.class);
return new CGLiteral(invoke(method, instance, tag.getInstance(), value));
}
public CGFieldAccess Select(CGExpression selected, CGName selector) {
var method = findMethod("Select", instance.getClass(), CGExpression.theClass(), CGName.theClass());
return new CGFieldAccess(invoke(method, instance, selected.getInstance(), selector.getInstance()));
}
public CGExpression Select(CGExpression base, CGSymbol sym) {
var method = findMethod("Select", instance.getClass(), CGExpression.theClass(), CGSymbol.theClass());
return new CGFieldAccess(invoke(method, instance, base.getInstance(), sym.getInstance()));
}
public CGStatement Call(CGExpression apply) {
var method = findMethod("Call", instance.getClass(), CGExpression.theClass());
return new CGStatement(invoke(method, instance, apply.getInstance()));
}
public CGStatement Assignment(CGSymbol v, CGExpression rhs) {
var method = findMethod("Assignment", instance.getClass(), CGSymbol.theClass(), CGExpression.theClass());
return new CGStatement(invoke(method, instance, v.getInstance(), rhs.getInstance()));
}
public CGNewArray NewArray(CGExpression elemtype,
CGList dims,
CGList elems) {
var method = findMethod("NewArray", instance.getClass(), CGExpression.theClass(), CGList.theClass(), CGList.theClass());
return new CGNewArray(invoke(method, instance, nonNull(elemtype) ? elemtype.getInstance() : null, dims.getInstance(), elems.getInstance()));
}
public CGPrimitiveTypeTree TypeIdent(CGTypeTag typetag) {
var method = findMethod("TypeIdent", instance.getClass(), CGTypeTag.theClass());
return new CGPrimitiveTypeTree(invoke(method, instance, typetag.getInstance()));
}
public CGArrayTypeTree TypeArray(CGExpression elemtype) {
var method = findMethod("TypeArray", instance.getClass(), CGExpression.theClass());
return new CGArrayTypeTree(invoke(method, instance, elemtype.getInstance()));
}
public CGTypeCast TypeCast(CGTree clazz, CGExpression expr) {
var method = findMethod("TypeCast", instance.getClass(), CGTree.theClass(), CGExpression.theClass());
return new CGTypeCast(invoke(method, instance, clazz.getInstance(), expr.getInstance()));
}
public CGVariableDecl VarDef(CGModifiers mods, CGName name, CGExpression vartype, CGExpression init) {
var method = findMethod("VarDef", instance.getClass(), CGModifiers.theClass(), CGName.theClass(), CGExpression.theClass(), CGExpression.theClass());
var result = new CGVariableDecl(invoke(method, instance, mods.getInstance(), name.getInstance(), vartype.getInstance(), nonNull(init) ? init.getInstance() : null));
result.setPos(Integer.MAX_VALUE);
return result;
}
public CGVariableDecl VarDef(CGModifiers mods, CGName name, CGExpression vartype, CGExpression init, boolean declaredUsingVar) {
var method = findMethod("VarDef", instance.getClass(), CGModifiers.theClass(), CGName.theClass(), CGExpression.theClass(), CGExpression.theClass(), boolean.class);
return new CGVariableDecl(invoke(method, instance, mods.getInstance(), name.getInstance(), vartype.getInstance(), init.getInstance(), declaredUsingVar));
}
public CGVariableDecl ReceiverVarDef(CGModifiers mods, CGName name, CGExpression vartype) {
var method = findMethod("ReceiverVarDef", instance.getClass(), CGModifiers.theClass(), CGName.theClass(), CGExpression.theClass());
return new CGVariableDecl(invoke(method, instance, mods.getInstance(), name.getInstance(), vartype.getInstance()));
}
public CGVariableDecl VarDef(CGVarSymbol symbol, CGExpression init) {
var method = findMethod("VarDef", instance.getClass(), CGVarSymbol.theClass(), CGExpression.theClass());
return new CGVariableDecl(invoke(method, instance, symbol.getInstance(), nonNull(init) ? init.getInstance() : null));
}
public CGVariableDecl Param(CGName name, CGType argtype, CGSymbol owner) {
var method = findMethod("Param", instance.getClass(), CGName.theClass(), CGType.theClass(), CGSymbol.theClass());
return new CGVariableDecl(invoke(method, instance, name.getInstance(), argtype.getInstance(), owner.getInstance()));
}
public CGMethodDeclaration MethodDef(CGModifiers mods,
CGName name,
CGExpression restype,
CGList typarams,
CGList params,
CGList thrown,
CGBlock body,
CGExpression defaultValue) {
var method = findMethod("MethodDef", instance.getClass(), CGModifiers.theClass(), CGName.theClass(), CGExpression.theClass(), CGList.theClass(), CGList.theClass(), CGList.theClass(), CGBlock.theClass(), CGExpression.theClass());
return new CGMethodDeclaration(invoke(method, instance, mods.getInstance(), name.getInstance(), nonNull(restype) ? restype.getInstance() : null, typarams.getInstance(), params.getInstance(), thrown.getInstance(), body.getInstance(), nonNull(defaultValue) ? defaultValue.getInstance() : null));
}
public CGModifiers Modifiers(long flags, CGList annotations) {
var method = findMethod("Modifiers", instance.getClass(), long.class, CGList.theClass());
return new CGModifiers(invoke(method, instance, flags, nonNull(annotations) ? annotations.getInstance() : CGList.nil(CGAnnotation.class)), true);
}
public CGModifiers Modifiers(long flags) {
var method = findMethod("Modifiers", instance.getClass(), long.class);
return new CGModifiers(invoke(method, instance, flags), true);
}
public CGBlock Block(long flags, CGList stats) {
var method = findMethod("Block", instance.getClass(), long.class, CGList.theClass());
return new CGBlock(invoke(method, instance, flags, stats.getInstance()));
}
public CGSymbol getSymbol(String className) {
var compilerClass = loadClass("com.sun.tools.javac.main.JavaCompiler");
var compiler = invokeStatic("instance", compilerClass, context);
return new CGSymbol(invoke("resolveBinaryNameOrIdent", compiler, className));
}
public CGMethodInvocation Apply(CGList typeargs, CGExpression fn, CGList args)
{
var method = findMethod("Apply", instance.getClass(), CGList.theClass(), CGExpression.theClass(), CGList.theClass());
return new CGMethodInvocation(invoke(method, instance, typeargs.getInstance(), fn.getInstance(), args.getInstance()));
}
public CGExpression Type(CGType type) {
var method = findMethod("Type", instance.getClass(), CGType.theClass());
return new CGExpression(invoke(method, instance, type.getInstance()));
}
public CGTypeApply TypeApply(CGExpression clazz, CGList arguments) {
var method = findMethod("TypeApply", instance.getClass(), CGExpression.theClass(), CGList.theClass());
return new CGTypeApply(invoke(method, instance, clazz.getInstance(), arguments.getInstance()));
}
public CGReturn Return(CGExpression expr) {
var method = findMethod("Return", instance.getClass(), CGExpression.theClass());
return new CGReturn(invoke(method, instance, expr.getInstance()));
}
public CGTry Try(CGBlock body, CGList catchers, CGBlock finalizer) {
var method = findMethod("Try", instance.getClass(), CGBlock.theClass(), CGList.theClass(), CGBlock.theClass());
return new CGTry(invoke(method, instance, body.getInstance(), catchers.getInstance(), nonNull(finalizer) ? finalizer.getInstance() : null));
}
public CGCatch Catch(CGVariableDecl param, CGBlock body) {
var method = findMethod("Catch", instance.getClass(), CGVariableDecl.theClass(), CGBlock.theClass());
return new CGCatch(invoke(method, instance, param.getInstance(), body.getInstance()));
}
public CGExpressionStatement Exec(CGExpression expr) {
var method = findMethod("Exec", instance.getClass(), CGExpression.theClass());
return new CGExpressionStatement(invoke(method, instance, expr.getInstance()));
}
public CGUnary Unary(CGTag opcode, CGExpression arg) {
var method = findMethod("Unary", instance.getClass(), CGTag.theClass(), CGExpression.theClass());
return new CGUnary(invoke(method, instance, opcode.getInstance(), arg.getInstance()));
}
public CGThrow Throw(CGExpression expr) {
var method = findMethod("Throw", instance.getClass(), CGExpression.theClass());
return new CGThrow(invoke(method, instance, expr.getInstance()));
}
}
