Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.scl.compiler / src / org / simantics / scl / compiler / internal / types / ast / TPredAst.java

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/types/ast/TPredAst.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/types/ast/TPredAst.java
new file mode 100644 (file)
index 0000000..e3b82dc
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/types/ast/TPredAst.java
@@ -0,0 +1,37 @@
+package org.simantics.scl.compiler.internal.types.ast;
+
+import org.simantics.scl.compiler.internal.types.TypeElaborationContext;
+import org.simantics.scl.compiler.types.Type;
+import org.simantics.scl.compiler.types.Types;
+import org.simantics.scl.compiler.types.exceptions.SCLTypeParseException;
+
+public class TPredAst extends TypeAst {
+
+    public final TypeAst constraint;
+    public final TypeAst type;
+    
+    public TPredAst(TypeAst constraint, TypeAst type) {
+        this.constraint = constraint;
+        this.type = type;
+    }
+
+    @Override
+    public void toString(StringBuilder b) {
+        constraint.toString(b);
+        b.append(" => ");
+        type.toString(b);
+    }
+
+    @Override
+    public Type toType(TypeElaborationContext context) throws SCLTypeParseException {
+        return Types.constrained(
+                constraint.toTFuncApply(context),
+                type.toType(context));
+    }
+
+    @Override
+    public int getPrecedence() {
+        return 2;
+    }
+
+}