Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/list/ListGuard.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/list/ListGuard.java
new file mode 100755 (executable)
index 0000000..d591652
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/list/ListGuard.java
@@ -0,0 +1,91 @@
+package org.simantics.scl.compiler.elaboration.expressions.list;\r
+\r
+import gnu.trove.map.hash.TObjectIntHashMap;\r
+import gnu.trove.set.hash.THashSet;\r
+import gnu.trove.set.hash.TIntHashSet;\r
+\r
+import org.simantics.scl.compiler.elaboration.contexts.SimplificationContext;\r
+import org.simantics.scl.compiler.elaboration.contexts.TranslationContext;\r
+import org.simantics.scl.compiler.elaboration.contexts.TypingContext;\r
+import org.simantics.scl.compiler.elaboration.expressions.Expression;\r
+import org.simantics.scl.compiler.elaboration.expressions.Variable;\r
+import org.simantics.scl.compiler.elaboration.expressions.VariableProcedure;\r
+import org.simantics.scl.compiler.errors.Locations;\r
+import org.simantics.scl.compiler.internal.elaboration.utils.ExpressionDecorator;\r
+import org.simantics.scl.compiler.types.Type;\r
+import org.simantics.scl.compiler.types.Types;\r
+\r
+public class ListGuard extends ListQualifier {\r
+    public Expression condition;\r
+\r
+    public ListGuard(Expression condition) {\r
+        this.condition = condition;\r
+    }\r
+\r
+    @Override\r
+    public void checkType(TypingContext context) {\r
+        condition.checkType(context, Types.BOOLEAN);\r
+    }\r
+\r
+    @Override\r
+    public void collectRefs(TObjectIntHashMap<Object> allRefs,\r
+            TIntHashSet refs) {\r
+        condition.collectRefs(allRefs, refs);\r
+    }\r
+\r
+    @Override\r
+    public void collectVars(TObjectIntHashMap<Variable> allVars,\r
+            TIntHashSet vars) {\r
+        condition.collectVars(allVars, vars);\r
+    }\r
+\r
+    @Override\r
+    public void collectFreeVariables(THashSet<Variable> vars) {\r
+        condition.collectFreeVariables(vars);\r
+    }\r
+\r
+    @Override\r
+    public CompiledQualifier compile(SimplificationContext context) {\r
+        return new CompiledQualifier(\r
+                context.guardList(condition.copy()), \r
+                context.tuple());\r
+    }\r
+\r
+    @Override\r
+    public void resolve(TranslationContext context) {\r
+        condition = condition.resolve(context);        \r
+    }\r
+\r
+    @Override\r
+    public void decorate(ExpressionDecorator decorator) {\r
+        condition = condition.decorate(decorator);\r
+    }\r
+    \r
+    @Override\r
+    public void collectEffects(THashSet<Type> effects) {\r
+        condition.collectEffects(effects);\r
+    }\r
+    \r
+    @Override\r
+    public void setLocationDeep(long loc) {\r
+        if(location == Locations.NO_LOCATION) {\r
+            location = loc;\r
+            condition.setLocationDeep(loc);\r
+        }\r
+    }\r
+    \r
+    @Override\r
+    public void accept(ListQualifierVisitor visitor) {\r
+        visitor.visit(this);\r
+    }\r
+    \r
+    @Override\r
+    public void forVariables(VariableProcedure procedure) {\r
+        condition.forVariables(procedure);\r
+    }\r
+    \r
+    @Override\r
+    public ListQualifier accept(ListQualifierTransformer transformer) {\r
+        return transformer.transform(this);\r
+    }\r
+}\r