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swc4j (SWC for Java) is an ultra-fast JavaScript and TypeScript compilation and bundling tool on JVM.
/*
* Copyright (c) 2024. caoccao.com Sam Cao
*
* 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.
*/
package com.caoccao.javet.swc4j.ast;
import com.caoccao.javet.swc4j.ast.interfaces.ISwc4jAst;
import com.caoccao.javet.swc4j.jni2rust.Jni2RustField;
import com.caoccao.javet.swc4j.span.Swc4jSpan;
import com.caoccao.javet.swc4j.utils.AssertionUtils;
import com.caoccao.javet.swc4j.utils.ReflectionUtils;
import com.caoccao.javet.swc4j.utils.SimpleList;
import com.caoccao.javet.swc4j.utils.StringUtils;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Optional;
/**
* The type Swc4j ast.
*
* @since 0.2.0
*/
public abstract class Swc4jAst implements ISwc4jAst {
/**
* The constant EMPTY_CHILDREN.
*
* @since 0.2.0
*/
protected static final List EMPTY_CHILD_NODES = SimpleList.immutableOf();
/**
* The constant INDENT_STRING.
*
* @since 0.2.0
*/
protected static final String INDENT_STRING = " ";
/**
* The Span.
*
* @since 0.2.0
*/
@Jni2RustField(ignore = true)
protected final Swc4jSpan span;
/**
* The Parent.
*
* @since 0.2.0
*/
@Jni2RustField(ignore = true)
protected ISwc4jAst parent;
/**
* Instantiates a new Swc4j ast.
*
* @param span the span
* @since 0.2.0
*/
protected Swc4jAst(
Swc4jSpan span) {
parent = null;
this.span = AssertionUtils.notNull(span, "Span");
}
@Override
public ISwc4jAst getParent() {
return parent;
}
@Override
public Swc4jSpan getSpan() {
return span;
}
@Override
public void setParent(ISwc4jAst parent) {
this.parent = parent;
}
/**
* To debug string.
*
* @param lines the lines
* @param name the name
* @param indent the indent
* @since 0.2.0
*/
protected void toDebugString(List lines, String name, int indent) {
if (StringUtils.isEmpty(name)) {
name = StringUtils.EMPTY;
} else {
name = name.trim() + " ";
}
lines.add(String.format("%s%s%s (%d,%d,%d,%d)",
StringUtils.repeat(INDENT_STRING, indent),
name,
getType().name(),
span.getStart(),
span.getEnd(),
span.getLine(),
span.getColumn()));
final int newIndent = indent + 1;
ReflectionUtils.getDeclaredFields(getClass()).entrySet().stream()
.sorted(Map.Entry.comparingByKey())
.map(Map.Entry::getValue)
.filter(field -> !Modifier.isStatic(field.getModifiers()))
.filter(field -> !Optional.ofNullable(field.getAnnotation(Jni2RustField.class))
.map(Jni2RustField::ignore)
.orElse(false))
.forEach(field -> {
field.setAccessible(true);
Object value;
try {
value = field.get(this);
} catch (IllegalAccessException e) {
value = e.getMessage();
}
if (value instanceof List) {
List listValue = (List) value;
int i = 0;
for (Object o : listValue) {
if (o instanceof Swc4jAst) {
((Swc4jAst) o).toDebugString(
lines,
String.format("%s[%d]", field.getName(), i),
newIndent);
} else if (o instanceof Optional) {
Optional optionalValue = (Optional) o;
if (optionalValue.isPresent()) {
value = optionalValue.get();
if (value instanceof Swc4jAst) {
((Swc4jAst) value).toDebugString(
lines,
String.format("%s[%d]", field.getName(), i),
newIndent);
} else {
value = String.valueOf(value);
lines.add(String.format("%s%s[%d]? = %s",
StringUtils.repeat(INDENT_STRING, newIndent),
field.getName(),
i,
value));
}
} else {
lines.add(String.format("%s%s[%d]? = null",
StringUtils.repeat(INDENT_STRING, newIndent),
field.getName(),
i));
}
} else {
value = String.valueOf(o);
lines.add(String.format("%s%s[%d] = %s",
StringUtils.repeat(INDENT_STRING, newIndent),
field.getName(),
i,
value));
}
++i;
}
} else if (value instanceof Optional) {
Optional optionalValue = (Optional) value;
if (optionalValue.isPresent()) {
value = optionalValue.get();
if (value instanceof Swc4jAst) {
((Swc4jAst) value).toDebugString(lines, field.getName() + "?", newIndent);
} else if (value instanceof List) {
List listValue = (List) value;
int i = 0;
for (Object o : listValue) {
if (o instanceof Swc4jAst) {
((Swc4jAst) o).toDebugString(
lines,
String.format("%s?[%d]", field.getName(), i),
newIndent);
} else {
value = String.valueOf(o);
lines.add(String.format("%s%s?[%d] = %s",
StringUtils.repeat(INDENT_STRING, newIndent),
field.getName(),
i,
value));
}
++i;
}
} else {
lines.add(String.format("%s%s? = %s",
StringUtils.repeat(INDENT_STRING, newIndent),
field.getName(),
value));
}
} else {
lines.add(String.format("%s%s? = null",
StringUtils.repeat(INDENT_STRING, newIndent),
field.getName()));
}
} else if (value instanceof Swc4jAst) {
((Swc4jAst) value).toDebugString(lines, field.getName(), newIndent);
} else {
lines.add(String.format("%s%s = %s",
StringUtils.repeat(INDENT_STRING, newIndent),
field.getName(),
value));
}
});
}
@Override
public String toDebugString() {
List lines = new ArrayList<>();
toDebugString(lines, null, 0);
return StringUtils.join("\n", lines);
}
@Override
public void updateParent() {
getChildNodes().forEach(node -> node.setParent(this));
}
}
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