feat: Added FamixJavaAttribute >> getFAST

Author: anquetil

src/FAST-Java-SmaCC-Importer/FamixJavaAttribute.extension.st

@@ -0,0 +1,14 @@
+Extension { #name : 'FamixJavaAttribute' }
+
+{ #category : '*FAST-Java-SmaCC-Importer' }
+FamixJavaAttribute >> getFAST [
+	"Attributes sourceAnchor encompass the name of the attribute and a possible initialization
+	This can be parsed as an expression (JavaSmaCCProgramNodeImporterVisitor >> parseCodeExpressionString:)
+	For this to work properly, the Java importer must be set as being on a Class declaration
+	then `clone` will create a sub-parser for the expression"
+
+	^(JavaSmaCCProgramNodeImporterVisitor new
+		currentFASTEntity: (FASTJavaClassDeclaration new) ;
+		clone) 
+		parseCodeExpressionString: self sourceAnchor sourceText
+]