Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.scl.compiler / src / org / simantics / scl / compiler / elaboration / expressions / Assignment.java

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/Assignment.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/Assignment.java
new file mode 100755 (executable)
index 0000000..d1d17f6
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/Assignment.java
@@ -0,0 +1,41 @@
+package org.simantics.scl.compiler.elaboration.expressions;\r
+\r
+import org.simantics.scl.compiler.elaboration.contexts.ReplaceContext;\r
+import org.simantics.scl.compiler.internal.elaboration.utils.ExpressionDecorator;\r
+import org.simantics.scl.compiler.types.Type;\r
+\r
+public class Assignment {\r
+    public Expression pattern;\r
+    public Expression value;\r
+    \r
+    public Assignment(Expression pattern, Expression value) {\r
+        if(Type.NULL_CHECKS) {\r
+            if(pattern == null)\r
+                throw new NullPointerException();\r
+            if(value == null)\r
+                throw new NullPointerException();\r
+        }\r
+        this.pattern = pattern;\r
+        this.value = value;\r
+    }\r
+\r
+    public Assignment replace(ReplaceContext context) {\r
+        Expression newPattern = pattern.replaceInPattern(context);\r
+        Expression newValue = value.replace(context);\r
+        return new Assignment(newPattern, newValue);\r
+    }\r
+\r
+    public void decorate(ExpressionDecorator decorator) {\r
+        pattern = pattern.decorate(decorator);\r
+        value = value.decorate(decorator);\r
+    }\r
+\r
+    public void setLocationDeep(long loc) {\r
+        pattern.setLocationDeep(loc);\r
+        value.setLocationDeep(loc);\r
+    }\r
+\r
+    public void forVariables(VariableProcedure procedure) {\r
+        value.forVariables(procedure);\r
+    }\r
+}\r