christoph/lecture-compilers
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add value to ast node

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Christoph
2020-12-10 19:16:35 +01:00
parent c1df906b10
commit 9a960d4cf7
1 changed files with 15 additions and 0 deletions
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15
src/main/java/util/ast/Node.java
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@ -7,10 +7,17 @@ import java.util.List;
public class Node { public class Node {
private final String name; private final String name;
private String value;
private final List<Node> children = new ArrayList<>(); private final List<Node> children = new ArrayList<>();
public Node(String name) { public Node(String name) {
this.name = name; this.name = name;
this.value = "";
}
public Node(String name, String value) {
this.name = name;
this.value = value;
} }
public void addChild(Node node) { public void addChild(Node node) {
@ -25,6 +32,10 @@ public class Node {
return this.name; return this.name;
} }
public void setValue(String value) {
this.value = value;
}
@Override @Override
public boolean equals(Object obj) { public boolean equals(Object obj) {
if (obj instanceof Node) { if (obj instanceof Node) {
@ -51,6 +62,10 @@ public class Node {
private void print(StringBuilder buffer, String prefix, String childrenPrefix) { private void print(StringBuilder buffer, String prefix, String childrenPrefix) {
buffer.append(prefix); buffer.append(prefix);
buffer.append(this.name); buffer.append(this.name);
if (!this.value.isBlank()) {
buffer.append(": ");
buffer.append(this.value);
}
buffer.append('\n'); buffer.append('\n');
for (Iterator<Node> it = this.children.listIterator(); it.hasNext(); ) { for (Iterator<Node> it = this.children.listIterator(); it.hasNext(); ) {