From 8eb9e27bccca4a0cd6a0b1b15bee76576ce030c3 Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Fri, 6 Mar 2015 07:28:35 +0100
Subject: Bug 1134 - Add ASTLocationTag, locating source of [semantic] errors
while parsing / analyzing
New GlueGenException supports ASTLocationTag,
which will be throws in case of semantic and/or parsing errors.
---
src/java/com/jogamp/gluegen/cgram/TNode.java | 24 ++++++++++++++++++++++--
1 file changed, 22 insertions(+), 2 deletions(-)
(limited to 'src/java/com/jogamp/gluegen/cgram/TNode.java')
diff --git a/src/java/com/jogamp/gluegen/cgram/TNode.java b/src/java/com/jogamp/gluegen/cgram/TNode.java
index a564c54..70dc2c4 100644
--- a/src/java/com/jogamp/gluegen/cgram/TNode.java
+++ b/src/java/com/jogamp/gluegen/cgram/TNode.java
@@ -3,10 +3,14 @@ package com.jogamp.gluegen.cgram;
import antlr.collections.AST;
import antlr.CommonAST;
import antlr.Token;
+
import java.lang.reflect.*;
import java.util.Hashtable;
import java.util.Enumeration;
+import com.jogamp.gluegen.ASTLocusTag;
+import com.jogamp.gluegen.ASTLocusTag.ASTLocusTagProvider;
+
/**
Class TNode is an implementation of the AST interface
and adds many useful features:
@@ -29,7 +33,8 @@ import java.util.Enumeration;
*/
-public class TNode extends CommonAST {
+@SuppressWarnings("serial")
+public class TNode extends CommonAST implements ASTLocusTagProvider {
protected int ttype;
protected String text;
protected int lineNum = 0;
@@ -40,7 +45,22 @@ public class TNode extends CommonAST {
protected Hashtable<String, Object> attributes = null;
static String tokenVocabulary;
-
+ /**
+ * {@inheritDoc}
+ * <p>
+ * If <i>source</i> is not available,
+ * implementation returns {@code null}.
+ * </p>
+ */
+ @Override
+ public ASTLocusTag getASTLocusTag() {
+ final Object s = getAttribute("source");
+ if( null != s ) {
+ return new ASTLocusTag(s, getLineNum(), -1, getText());
+ } else {
+ return null;
+ }
+ }
/** Set the token vocabulary to a tokentypes class
--
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