From 5338a361c6fd8c42e8bd47a637c21c128b122418 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sat, 14 Nov 2015 16:52:37 +0000
Subject: Implement while loops in backends

---
 .../backends/python/ast/PythonWhileNode.java       | 34 ++++++++++++++++++++++
 .../python/ast/visitors/PythonNodeVisitor.java     | 20 ++-----------
 2 files changed, 36 insertions(+), 18 deletions(-)
 create mode 100644 src/main/java/org/zwobble/couscous/backends/python/ast/PythonWhileNode.java

(limited to 'src/main/java/org/zwobble/couscous/backends/python/ast')

diff --git a/src/main/java/org/zwobble/couscous/backends/python/ast/PythonWhileNode.java b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonWhileNode.java
new file mode 100644
index 0000000..fa373e6
--- /dev/null
+++ b/src/main/java/org/zwobble/couscous/backends/python/ast/PythonWhileNode.java
@@ -0,0 +1,34 @@
+package org.zwobble.couscous.backends.python.ast;
+
+import org.zwobble.couscous.backends.python.ast.visitors.PythonNodeVisitor;
+
+import java.util.List;
+
+public class PythonWhileNode implements PythonStatementNode {
+    public static PythonWhileNode pythonWhile(
+            PythonExpressionNode condition,
+            List<PythonStatementNode> body) {
+        return new PythonWhileNode(condition, new PythonBlock(body));
+    }
+
+    private final PythonExpressionNode condition;
+    private final PythonBlock body;
+
+    private PythonWhileNode(PythonExpressionNode condition, PythonBlock body) {
+        this.condition = condition;
+        this.body = body;
+    }
+
+    public PythonExpressionNode getCondition() {
+        return condition;
+    }
+
+    public PythonBlock getBody() {
+        return body;
+    }
+
+    @Override
+    public void accept(PythonNodeVisitor visitor) {
+        visitor.visit(this);
+    }
+}
diff --git a/src/main/java/org/zwobble/couscous/backends/python/ast/visitors/PythonNodeVisitor.java b/src/main/java/org/zwobble/couscous/backends/python/ast/visitors/PythonNodeVisitor.java
index fb8fa71..8f04787 100644
--- a/src/main/java/org/zwobble/couscous/backends/python/ast/visitors/PythonNodeVisitor.java
+++ b/src/main/java/org/zwobble/couscous/backends/python/ast/visitors/PythonNodeVisitor.java
@@ -1,23 +1,6 @@
 package org.zwobble.couscous.backends.python.ast.visitors;
 
-import org.zwobble.couscous.backends.python.ast.PythonAssignmentNode;
-import org.zwobble.couscous.backends.python.ast.PythonAttributeAccessNode;
-import org.zwobble.couscous.backends.python.ast.PythonBinaryOperation;
-import org.zwobble.couscous.backends.python.ast.PythonBooleanLiteralNode;
-import org.zwobble.couscous.backends.python.ast.PythonCallNode;
-import org.zwobble.couscous.backends.python.ast.PythonClassNode;
-import org.zwobble.couscous.backends.python.ast.PythonConditionalExpressionNode;
-import org.zwobble.couscous.backends.python.ast.PythonFunctionDefinitionNode;
-import org.zwobble.couscous.backends.python.ast.PythonGetSliceNode;
-import org.zwobble.couscous.backends.python.ast.PythonIfStatementNode;
-import org.zwobble.couscous.backends.python.ast.PythonImportNode;
-import org.zwobble.couscous.backends.python.ast.PythonIntegerLiteralNode;
-import org.zwobble.couscous.backends.python.ast.PythonModuleNode;
-import org.zwobble.couscous.backends.python.ast.PythonNotNode;
-import org.zwobble.couscous.backends.python.ast.PythonPassNode;
-import org.zwobble.couscous.backends.python.ast.PythonReturnNode;
-import org.zwobble.couscous.backends.python.ast.PythonStringLiteralNode;
-import org.zwobble.couscous.backends.python.ast.PythonVariableReferenceNode;
+import org.zwobble.couscous.backends.python.ast.*;
 
 public interface PythonNodeVisitor {
     void visit(PythonIntegerLiteralNode integerLiteral);
@@ -38,6 +21,7 @@ public interface PythonNodeVisitor {
     void visit(PythonAssignmentNode assignment);
     void visit(PythonImportNode importNode);
     void visit(PythonIfStatementNode ifStatement);
+    void visit(PythonWhileNode whileLoop);
 
     void visit(PythonModuleNode module);
 
-- 
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