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improvement to ASTPrinter so that it can print ambiguity nodes and their children

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This commit is contained in:
Mike Kucera 2009-03-31 20:35:40 +00:00
parent 8fe659c7a4
commit d43a85761a
1 changed files with 43 additions and 41 deletions
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80
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/parser/util/ASTPrinter.java
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@ -12,14 +12,11 @@ package org.eclipse.cdt.core.parser.util;
import java.io.PrintStream; import java.io.PrintStream;
import org.eclipse.cdt.core.dom.ast.ASTGenericVisitor;
import org.eclipse.cdt.core.dom.ast.DOMException; import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.IASTArrayDeclarator;
import org.eclipse.cdt.core.dom.ast.IASTArrayModifier;
import org.eclipse.cdt.core.dom.ast.IASTComment; import org.eclipse.cdt.core.dom.ast.IASTComment;
import org.eclipse.cdt.core.dom.ast.IASTDeclarator;
import org.eclipse.cdt.core.dom.ast.IASTName; import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTNode; import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IASTPointerOperator;
import org.eclipse.cdt.core.dom.ast.IASTPreprocessorStatement; import org.eclipse.cdt.core.dom.ast.IASTPreprocessorStatement;
import org.eclipse.cdt.core.dom.ast.IASTProblem; import org.eclipse.cdt.core.dom.ast.IASTProblem;
import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit; import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
@ -31,6 +28,7 @@ import org.eclipse.cdt.core.dom.ast.c.ICASTArrayModifier;
import org.eclipse.cdt.core.dom.ast.c.ICASTPointer; import org.eclipse.cdt.core.dom.ast.c.ICASTPointer;
import org.eclipse.cdt.core.dom.ast.c.ICArrayType; import org.eclipse.cdt.core.dom.ast.c.ICArrayType;
import org.eclipse.cdt.core.dom.ast.c.ICPointerType; import org.eclipse.cdt.core.dom.ast.c.ICPointerType;
import org.eclipse.cdt.internal.core.dom.parser.ASTAmbiguousNode;
import org.eclipse.cdt.internal.core.dom.parser.ASTNode; import org.eclipse.cdt.internal.core.dom.parser.ASTNode;
import org.eclipse.cdt.internal.core.dom.parser.ITypeContainer; import org.eclipse.cdt.internal.core.dom.parser.ITypeContainer;
@ -66,7 +64,7 @@ public class ASTPrinter {
} }
} }
printAST(out, 0, node); node.accept(new PrintVisitor(out));
if (node instanceof IASTTranslationUnit) { if (node instanceof IASTTranslationUnit) {
IASTProblem[] problems = ((IASTTranslationUnit)node).getPreprocessorProblems(); IASTProblem[] problems = ((IASTTranslationUnit)node).getPreprocessorProblems();
@ -107,7 +105,7 @@ public class ASTPrinter {
return false; return false;
} }
printASTProblems(out, 0, node); node.accept(new PrintProblemsVisitor(out));
if (node instanceof IASTTranslationUnit) { if (node instanceof IASTTranslationUnit) {
IASTProblem[] problems = ((IASTTranslationUnit)node).getPreprocessorProblems(); IASTProblem[] problems = ((IASTTranslationUnit)node).getPreprocessorProblems();
@ -133,27 +131,49 @@ public class ASTPrinter {
private static void printAST(PrintStream out, int indent, IASTNode node) { private static class PrintVisitor extends ASTGenericVisitor {
print(out, indent, node); final PrintStream out;
indent++; int indentLevel = 0;
for(IASTNode child : node.getChildren()) {
printAST(out, indent, child); public PrintVisitor(PrintStream out) {
super(true);
this.out = out;
shouldVisitAmbiguousNodes = true;
}
@Override protected int genericVisit(IASTNode node) {
print(out, indentLevel++, node);
return PROCESS_CONTINUE;
}
@Override protected int genericLeave(IASTNode node) {
indentLevel--;
return PROCESS_CONTINUE;
}
@Override public int visit(ASTAmbiguousNode node) {
print(out, indentLevel++, node);
for(IASTNode n : node.getNodes())
n.accept(this);
indentLevel--;
return PROCESS_CONTINUE;
} }
} }
private static void printASTProblems(PrintStream out, int indent, IASTNode node) { private static class PrintProblemsVisitor extends PrintVisitor {
public PrintProblemsVisitor(PrintStream out) {
super(out);
}
@Override protected int genericVisit(IASTNode node) {
indentLevel++;
if(node instanceof IASTProblem) if(node instanceof IASTProblem)
print(out, indent, node); print(out, indentLevel, node);
return PROCESS_CONTINUE;
indent++;
for(IASTNode child : node.getChildren()) {
printASTProblems(out, indent, child);
}
} }
}
private static void print(PrintStream out, int indentLevel, Object n) { private static void print(PrintStream out, int indentLevel, Object n) {
@ -165,8 +185,7 @@ public class ASTPrinter {
return; return;
} }
String classname = n.getClass().getName(); out.print(n.getClass().getName());
out.print(classname);
if (n instanceof ASTNode) { if (n instanceof ASTNode) {
ASTNode node = (ASTNode) n; ASTNode node = (ASTNode) n;
@ -200,23 +219,6 @@ public class ASTPrinter {
System.out.println("Exception while resolving binding: " + name); System.out.println("Exception while resolving binding: " + name);
} }
} }
} else if(n instanceof IASTDeclarator) {
IASTDeclarator declarator = (IASTDeclarator) n;
IASTPointerOperator[] pointers = declarator.getPointerOperators();
if(pointers != null && pointers.length > 0) {
out.println();
for (IASTPointerOperator pointer : pointers) {
print(out, indentLevel+1, pointer);
}
}
if (declarator instanceof IASTArrayDeclarator) {
IASTArrayDeclarator decl = (IASTArrayDeclarator)declarator;
org.eclipse.cdt.core.dom.ast.IASTArrayModifier[] modifiers = decl.getArrayModifiers();
for (IASTArrayModifier modifier : modifiers) {
print(out, indentLevel+1, modifier);
}
}
} else if (n instanceof ICASTPointer) { } else if (n instanceof ICASTPointer) {
ICASTPointer pointer = (ICASTPointer) n; ICASTPointer pointer = (ICASTPointer) n;
if (pointer.isConst()) if (pointer.isConst())