20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package com.sun.tools.jextract; 24 25 import java.nio.file.Path; 26 import java.nio.file.Paths; 27 import java.util.ArrayList; 28 import java.util.Arrays; 29 import java.util.List; 30 import java.util.stream.Collectors; 31 import com.sun.tools.jextract.parser.Parser; 32 import com.sun.tools.jextract.tree.EnumTree; 33 import com.sun.tools.jextract.tree.FieldTree; 34 import com.sun.tools.jextract.tree.LayoutUtils; 35 import com.sun.tools.jextract.tree.HeaderTree; 36 import com.sun.tools.jextract.tree.SimpleTreeVisitor; 37 import com.sun.tools.jextract.tree.StructTree; 38 import com.sun.tools.jextract.tree.Tree; 39 import com.sun.tools.jextract.tree.TreeMaker; 40 import com.sun.tools.jextract.tree.TreePrinter; 41 import jdk.internal.clang.Cursor; 42 43 /** 44 * This tree visitor handles the tree empty names encountered in the tree 45 * so that subsequent passes need not check tree.name() for empty string. 46 * 47 * 1. Names are generated & set for anonymous structs & unions. 48 * 2. Anonymous (bit) FieldTree instances are removed. 49 */ 50 final class EmptyNameHandler extends SimpleTreeVisitor<Tree, Void> { 51 private final TreeMaker treeMaker = new TreeMaker(); 52 53 HeaderTree transform(HeaderTree ht) { 54 return (HeaderTree)ht.accept(this, null); 55 } 56 57 // generate unique name for an empty name 58 private String generateName(Tree tree) { 59 return LayoutUtils.getName(tree); 60 } 61 62 @Override 63 public Tree defaultAction(Tree tree, Void v) { 64 return tree; 65 } 66 67 @Override 68 public Tree visitHeader(HeaderTree ht, Void v) { 69 List<Tree> decls = ht.declarations().stream(). 70 map(decl -> decl.accept(this, null)). 71 collect(Collectors.toList()); 72 return treeMaker.createHeader(ht.cursor(), ht.path(), decls); 73 } | 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package com.sun.tools.jextract; 24 25 import java.nio.file.Path; 26 import java.nio.file.Paths; 27 import java.util.ArrayList; 28 import java.util.Arrays; 29 import java.util.List; 30 import java.util.stream.Collectors; 31 import com.sun.tools.jextract.parser.Parser; 32 import com.sun.tools.jextract.tree.EnumTree; 33 import com.sun.tools.jextract.tree.FieldTree; 34 import com.sun.tools.jextract.tree.LayoutUtils; 35 import com.sun.tools.jextract.tree.HeaderTree; 36 import com.sun.tools.jextract.tree.SimpleTreeVisitor; 37 import com.sun.tools.jextract.tree.StructTree; 38 import com.sun.tools.jextract.tree.Tree; 39 import com.sun.tools.jextract.tree.TreeMaker; 40 import com.sun.tools.jextract.tree.TreePhase; 41 import com.sun.tools.jextract.tree.TreePrinter; 42 import jdk.internal.clang.Cursor; 43 44 /** 45 * This tree visitor handles the tree empty names encountered in the tree 46 * so that subsequent passes need not check tree.name() for empty string. 47 * 48 * 1. Names are generated & set for anonymous structs & unions. 49 * 2. Anonymous (bit) FieldTree instances are removed. 50 */ 51 final class EmptyNameHandler extends SimpleTreeVisitor<Tree, Void> 52 implements TreePhase { 53 private final TreeMaker treeMaker = new TreeMaker(); 54 55 @Override 56 public HeaderTree transform(HeaderTree ht) { 57 return (HeaderTree)ht.accept(this, null); 58 } 59 60 // generate unique name for an empty name 61 private String generateName(Tree tree) { 62 return LayoutUtils.getName(tree); 63 } 64 65 @Override 66 public Tree defaultAction(Tree tree, Void v) { 67 return tree; 68 } 69 70 @Override 71 public Tree visitHeader(HeaderTree ht, Void v) { 72 List<Tree> decls = ht.declarations().stream(). 73 map(decl -> decl.accept(this, null)). 74 collect(Collectors.toList()); 75 return treeMaker.createHeader(ht.cursor(), ht.path(), decls); 76 } |