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package org.zwobble.couscous.ast;
import com.google.common.collect.ImmutableList;
import org.zwobble.couscous.ast.visitors.NodeMapper;
import java.util.List;
import java.util.function.Function;
import static org.zwobble.couscous.util.ExtraLists.eagerMap;
public class MethodNode implements CallableNode {
public static Builder staticMethod(String name) {
return builder(name).isStatic(true);
}
public static Builder builder(String name) {
return new Builder(name);
}
public static class Builder {
private final ImmutableList.Builder<AnnotationNode> annotations =
ImmutableList.builder();
private boolean isStatic = false;
private final String name;
private final ImmutableList.Builder<FormalArgumentNode> arguments =
ImmutableList.builder();
private final ImmutableList.Builder<StatementNode> body =
ImmutableList.builder();
public Builder(String name) {
this.name = name;
}
public Builder annotations(List<AnnotationNode> annotations) {
this.annotations.addAll(annotations);
return this;
}
public Builder isStatic(boolean isStatic) {
this.isStatic = isStatic;
return this;
}
public Builder argument(FormalArgumentNode argument) {
arguments.add(argument);
return this;
}
public Builder arguments(List<FormalArgumentNode> arguments) {
this.arguments.addAll(arguments);
return this;
}
public Builder statement(StatementNode statement) {
this.body.add(statement);
return this;
}
public Builder body(List<StatementNode> statements) {
this.body.addAll(statements);
return this;
}
public MethodNode build() {
return new MethodNode(
annotations.build(),
isStatic,
name,
arguments.build(),
body.build());
}
}
public static MethodNode method(
List<AnnotationNode> annotations,
boolean isStatic,
String name,
List<FormalArgumentNode> arguments,
List<StatementNode> body) {
return new MethodNode(annotations, isStatic, name, arguments, body);
}
private final List<AnnotationNode> annotations;
private final boolean isStatic;
private final String name;
private final List<FormalArgumentNode> arguments;
private final List<StatementNode> body;
private MethodNode(
List<AnnotationNode> annotations,
boolean isStatic,
String name,
List<FormalArgumentNode> arguments,
List<StatementNode> body) {
this.annotations = annotations;
this.isStatic = isStatic;
this.name = name;
this.arguments = arguments;
this.body = body;
}
public List<AnnotationNode> getAnnotations() {
return annotations;
}
public boolean isStatic() {
return isStatic;
}
public String getName() {
return name;
}
public List<FormalArgumentNode> getArguments() {
return arguments;
}
public List<StatementNode> getBody() {
return body;
}
public MethodSignature signature() {
return new MethodSignature(
name,
eagerMap(arguments, argument -> argument.getType()));
}
public MethodNode mapBody(Function<List<StatementNode>, List<StatementNode>> function) {
return new MethodNode(annotations, isStatic, name, arguments, function.apply(body));
}
@Override
public <T> T accept(NodeMapper<T> visitor) {
return visitor.visit(this);
}
@Override
public String toString() {
return "MethodNode(annotations=" + annotations + ", isStatic="
+ isStatic + ", name=" + name + ", arguments=" + arguments
+ ", body=" + body + ")";
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result
+ ((annotations == null) ? 0 : annotations.hashCode());
result = prime * result
+ ((arguments == null) ? 0 : arguments.hashCode());
result = prime * result + ((body == null) ? 0 : body.hashCode());
result = prime * result + (isStatic ? 1231 : 1237);
result = prime * result + ((name == null) ? 0 : name.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
MethodNode other = (MethodNode) obj;
if (annotations == null) {
if (other.annotations != null)
return false;
} else if (!annotations.equals(other.annotations))
return false;
if (arguments == null) {
if (other.arguments != null)
return false;
} else if (!arguments.equals(other.arguments))
return false;
if (body == null) {
if (other.body != null)
return false;
} else if (!body.equals(other.body))
return false;
if (isStatic != other.isStatic)
return false;
if (name == null) {
if (other.name != null)
return false;
} else if (!name.equals(other.name))
return false;
return true;
}
}
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