X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.scl.compiler%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fcompiler%2Felaboration%2Fexpressions%2Fannotations%2FAnnotationUtils.java;fp=bundles%2Forg.simantics.scl.compiler%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fcompiler%2Felaboration%2Fexpressions%2Fannotations%2FAnnotationUtils.java;h=fb7334cd2b2cf52cdbd1faf85dc266b762af9bc8;hb=7045f0f516c243563976207abcec13a68891ff1d;hp=0000000000000000000000000000000000000000;hpb=fa9b9d56a9a16226e6409724cedfbbe94463b301;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/annotations/AnnotationUtils.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/annotations/AnnotationUtils.java
new file mode 100644
index 000000000..fb7334cd2
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/annotations/AnnotationUtils.java
@@ -0,0 +1,27 @@
+package org.simantics.scl.compiler.elaboration.expressions.annotations;
+
+import org.simantics.scl.compiler.constants.StringConstant;
+import org.simantics.scl.compiler.elaboration.expressions.ELiteral;
+import org.simantics.scl.compiler.elaboration.expressions.EStringLiteral;
+import org.simantics.scl.compiler.elaboration.expressions.EVar;
+import org.simantics.scl.compiler.elaboration.expressions.Expression;
+
+public class AnnotationUtils {
+    public static String extractString(Expression expression) {
+        if(expression instanceof EVar)
+            return ((EVar)expression).name;
+        else if(expression instanceof EStringLiteral) {
+            EStringLiteral literal = (EStringLiteral)expression;
+            if(literal.strings.length == 1)
+                return literal.strings[0];
+        }
+        else if(expression instanceof ELiteral) {
+            ELiteral literal = (ELiteral)expression;
+            if(literal.getValue() instanceof StringConstant) {
+                StringConstant constant = (StringConstant)literal.getValue();
+                return constant.getValue();
+            }
+        }
+        return null;
+    }
+}