From f7a7bfd4764f2787e022fc0a9dd8eb57c151e90d Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sat, 7 Nov 2015 15:54:07 +0000
Subject: Add if-statement node

---
 .../org/zwobble/couscous/ast/IfStatementNode.java  | 90 ++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 src/main/java/org/zwobble/couscous/ast/IfStatementNode.java

(limited to 'src/main/java/org/zwobble/couscous/ast/IfStatementNode.java')

diff --git a/src/main/java/org/zwobble/couscous/ast/IfStatementNode.java b/src/main/java/org/zwobble/couscous/ast/IfStatementNode.java
new file mode 100644
index 0000000..ae3e29b
--- /dev/null
+++ b/src/main/java/org/zwobble/couscous/ast/IfStatementNode.java
@@ -0,0 +1,90 @@
+package org.zwobble.couscous.ast;
+
+import java.util.List;
+
+import org.zwobble.couscous.ast.visitors.StatementNodeMapper;
+
+public class IfStatementNode implements StatementNode {
+    public static IfStatementNode ifStatement(
+            ExpressionNode condition,
+            List<StatementNode> trueBranch,
+            List<StatementNode> falseBranch) {
+        return new IfStatementNode(condition, trueBranch, falseBranch);
+    }
+    
+    private final ExpressionNode condition;
+    private final List<StatementNode> trueBranch;
+    private final List<StatementNode> falseBranch;
+
+    private IfStatementNode(
+            ExpressionNode condition,
+            List<StatementNode> trueBranch,
+            List<StatementNode> falseBranch) {
+        this.condition = condition;
+        this.trueBranch = trueBranch;
+        this.falseBranch = falseBranch;
+    }
+
+    public ExpressionNode getCondition() {
+        return condition;
+    }
+    
+    public List<StatementNode> getTrueBranch() {
+        return trueBranch;
+    }
+    
+    public List<StatementNode> getFalseBranch() {
+        return falseBranch;
+    }
+    
+    @Override
+    public <T> T accept(StatementNodeMapper<T> visitor) {
+        return visitor.visit(this);
+    }
+
+    @Override
+    public String toString() {
+        return "IfStatementNode(condition=" + condition + ", trueBranch="
+               + trueBranch + ", falseBranch=" + falseBranch + ")";
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result
+                 + ((condition == null) ? 0 : condition.hashCode());
+        result = prime * result
+                 + ((falseBranch == null) ? 0 : falseBranch.hashCode());
+        result = prime * result
+                 + ((trueBranch == null) ? 0 : trueBranch.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;
+        IfStatementNode other = (IfStatementNode) obj;
+        if (condition == null) {
+            if (other.condition != null)
+                return false;
+        } else if (!condition.equals(other.condition))
+            return false;
+        if (falseBranch == null) {
+            if (other.falseBranch != null)
+                return false;
+        } else if (!falseBranch.equals(other.falseBranch))
+            return false;
+        if (trueBranch == null) {
+            if (other.trueBranch != null)
+                return false;
+        } else if (!trueBranch.equals(other.trueBranch))
+            return false;
+        return true;
+    }
+}
-- 
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