New type class MonadE and corresponding monad syntax with edo keyword

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

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/block/GuardStatement.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/block/GuardStatement.java
old mode 100755 (executable)
new mode 100644 (file)
index 59aa3eb..0089e93
--- a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/block/GuardStatement.java
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/block/GuardStatement.java
@@ -1,56 +1,61 @@
-package org.simantics.scl.compiler.elaboration.expressions.block;\r
-\r
-import org.simantics.scl.compiler.elaboration.contexts.EnvironmentalContext;\r
-import org.simantics.scl.compiler.elaboration.contexts.ReplaceContext;\r
-import org.simantics.scl.compiler.elaboration.contexts.TranslationContext;\r
-import org.simantics.scl.compiler.elaboration.expressions.EBind;\r
-import org.simantics.scl.compiler.elaboration.expressions.ESimpleLet;\r
-import org.simantics.scl.compiler.elaboration.expressions.EVariable;\r
-import org.simantics.scl.compiler.elaboration.expressions.Expression;\r
-import org.simantics.scl.compiler.elaboration.expressions.Variable;\r
-import org.simantics.scl.compiler.errors.Locations;\r
-\r
-public class GuardStatement extends Statement {\r
-    public Expression value;\r
-    \r
-    public GuardStatement(Expression value) {\r
-        this.value = value;\r
-    }\r
-\r
-    @Override\r
-    public Expression toExpression(EnvironmentalContext context, boolean monadic, Expression in) {\r
-        if(monadic) {\r
-            Variable var = new Variable("_");\r
-            return new EBind(location, new EVariable(location, var), value, in);\r
-        }\r
-        else\r
-            return new ESimpleLet(location, null, value, in);\r
-    }\r
-    \r
-    @Override\r
-    public void setLocationDeep(long loc) {\r
-        if(location == Locations.NO_LOCATION) {\r
-            location = loc;\r
-            value.setLocationDeep(loc);\r
-        }\r
-    }\r
-    \r
-    @Override\r
-    public void resolvePattern(TranslationContext context) {\r
-    }\r
-    \r
-    @Override\r
-    public boolean mayBeRecursive() {\r
-        return false;\r
-    }\r
-    \r
-    @Override\r
-    public Statement replace(ReplaceContext context) {\r
-        return new GuardStatement(value.replace(context));\r
-    }\r
-    \r
-    @Override\r
-    public void accept(StatementVisitor visitor) {\r
-        visitor.visit(this);\r
-    }\r
-}\r
+package org.simantics.scl.compiler.elaboration.expressions.block;
+
+import org.simantics.scl.compiler.elaboration.contexts.EnvironmentalContext;
+import org.simantics.scl.compiler.elaboration.contexts.ReplaceContext;
+import org.simantics.scl.compiler.elaboration.contexts.TranslationContext;
+import org.simantics.scl.compiler.elaboration.expressions.EBind;
+import org.simantics.scl.compiler.elaboration.expressions.ESimpleLet;
+import org.simantics.scl.compiler.elaboration.expressions.EVariable;
+import org.simantics.scl.compiler.elaboration.expressions.Expression;
+import org.simantics.scl.compiler.elaboration.expressions.Variable;
+import org.simantics.scl.compiler.errors.Locations;
+
+public class GuardStatement extends Statement {
+    public Expression value;
+    
+    public GuardStatement(Expression value) {
+        this.value = value;
+    }
+
+    @Override
+    public Expression toExpression(EnvironmentalContext context, BlockType blockType, Expression in) {
+        if(blockType != BlockType.Normal) {
+            Variable var = new Variable("_");
+            return new EBind(location, blockType, new EVariable(location, var), value, in);
+        }
+        else
+            return new ESimpleLet(location, null, value, in);
+    }
+    
+    @Override
+    public void setLocationDeep(long loc) {
+        if(location == Locations.NO_LOCATION) {
+            location = loc;
+            value.setLocationDeep(loc);
+        }
+    }
+    
+    @Override
+    public void resolvePattern(TranslationContext context) {
+    }
+    
+    @Override
+    public boolean mayBeRecursive() {
+        return false;
+    }
+    
+    @Override
+    public Statement replace(ReplaceContext context) {
+        return new GuardStatement(value.replace(context));
+    }
+    
+    @Override
+    public void accept(StatementVisitor visitor) {
+        visitor.visit(this);
+    }
+
+    @Override
+    public StatementGroup getStatementGroup() {
+        return null;
+    }
+}