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Merge "LabelDecorator.decorateLabel can return null"
[simantics/platform.git] / bundles / org.simantics.scl.compiler / src / org / simantics / scl / compiler / elaboration / expressions / accessor / ExpressionAccessor.java
1 package org.simantics.scl.compiler.elaboration.expressions.accessor;
2
3 import org.simantics.scl.compiler.elaboration.contexts.SimplificationContext;
4 import org.simantics.scl.compiler.elaboration.contexts.TranslationContext;
5 import org.simantics.scl.compiler.elaboration.contexts.TypingContext;
6 import org.simantics.scl.compiler.elaboration.expressions.Expression;
7 import org.simantics.scl.compiler.errors.Locations;
8 import org.simantics.scl.compiler.types.Types;
9
10 public class ExpressionAccessor extends FieldAccessor {
11     public Expression fieldName;
12
13     public ExpressionAccessor(char accessSeparator, Expression fieldName) {
14         super(accessSeparator);
15         this.fieldName = fieldName;
16     }
17     
18     @Override
19     public void resolve(TranslationContext context) {
20         fieldName = fieldName.resolve(context);
21     }
22     
23     @Override
24     public void simplify(SimplificationContext context) {
25         fieldName = fieldName.simplify(context);
26     }
27     
28     @Override
29     public void checkType(TypingContext context) {
30         fieldName = fieldName.checkType(context, Types.STRING);
31     }
32
33     @Override
34     public Expression asExpression() {
35         return fieldName;
36     }
37
38     @Override
39     public void setLocationDeep(long loc) {
40         if(location == Locations.NO_LOCATION) {
41             location = loc;
42             fieldName.setLocationDeep(loc);
43         }
44     }
45     
46     @Override
47     public void accept(FieldAccessorVisitor visitor) {
48         visitor.visit(this);
49     }
50 }