Update HunkParser with the update of SingleStatementParser.

This commit is contained in:
Kui LIU
2017-07-31 12:19:02 +02:00
parent a2d26e78d3
commit c425055692
@@ -9,9 +9,7 @@ import java.util.ArrayList;
import java.util.List;
import com.github.gumtreediff.actions.model.Action;
import com.github.gumtreediff.tree.ITree;
import edu.lu.uni.serval.config.Configuration;
import edu.lu.uni.serval.diffentry.DiffEntryHunk;
import edu.lu.uni.serval.diffentry.DiffEntryReader;
import edu.lu.uni.serval.gumtree.GumTreeComparer;
@@ -51,7 +49,7 @@ public class HunkParser {
// Filter out modified actions of changing method names, method parameters, variable names and field names in declaration part.
// TODO: variable effects range, sub-actions are these kinds of modification?
List<HierarchicalActionSet> allActionSets = filter.filterOutUselessActions(actionSets);
if (allActionSets.size() == 0) return;
// DiffEntry size: filter out big hunks.
List<DiffEntryHunk> diffentryHunks = new DiffEntryReader().readHunks(diffEntryFile);
//Filter out the modify actions, which are not in the DiffEntry hunks.
@@ -59,6 +57,12 @@ public class HunkParser {
List<HunkFixPattern> allHunkFixPatternss = hunkFilter.filterActionsByDiffEntryHunk2(diffentryHunks, allActionSets, revFile, prevFile);
for (HunkFixPattern hunkFixPattern : allHunkFixPatternss) {
// Range of buggy source code
int startLine = 0;
int endLine = 0;
// Range of fixing source code
int startLine2 = 0;
int endLine2 = 0;
/*
* Convert the ITree of buggy code to a simple tree.
* It will be used to compute the similarity.
@@ -87,6 +91,18 @@ public class HunkParser {
// 2. source code: raw tokens
// 3. abstract identifiers:
// 4. semi-source code:
if (startLine == 0) {
startLine = hunkActionSet.getBugStartLineNum();
endLine = hunkActionSet.getBugEndLineNum();
startLine2 = hunkActionSet.getFixStartLineNum();
endLine2 = hunkActionSet.getFixEndLineNum();
} else {
if (startLine > hunkActionSet.getBugStartLineNum()) startLine = hunkActionSet.getBugStartLineNum();
if (startLine2 > hunkActionSet.getFixStartLineNum()) startLine2 = hunkActionSet.getFixStartLineNum();
if (endLine < hunkActionSet.getBugEndLineNum()) endLine = hunkActionSet.getBugEndLineNum();
if (endLine2 < hunkActionSet.getFixEndLineNum()) endLine2 = hunkActionSet.getFixEndLineNum();
}
}
simpleTree.setChildren(children);
simpleTree.setParent(null);
@@ -95,16 +111,15 @@ public class HunkParser {
this.sizes += size + "\n";
this.astEditScripts += astEditScripts + "\n";
this.buggyTrees += Configuration.BUGGY_TREE_TOKEN + "\n" + simpleTree.toString() + "\n";
// this.buggyTrees += Configuration.BUGGY_TREE_TOKEN + "\n" + simpleTree.toString() + "\n";
this.tokensOfSourceCode += getTokensDeepFirst(simpleTree).trim() + "\n";
// this.actionSets += Configuration.BUGGY_TREE_TOKEN + "\n" + readActionSet(actionSet, "") + "\n";
// this.originalTree += Configuration.BUGGY_TREE_TOKEN + "\n" + actionSet.getOriginalTree().toString() + "\n";
// Source Code of patches.
// String patchSourceCode = getPatchSourceCode(sourceCode, startLineNum, endLineNum, startLineNum2,
// endLineNum2);
// if (patchSourceCode == null) continue;
// patchesSourceCode += "PATCH###\n" + patchSourceCode;
String patchSourceCode = getPatchSourceCode(hunkFixPattern.getHunk(), startLine, endLine, startLine2, endLine2);
if (patchSourceCode == null) continue;
patchesSourceCode += "PATCH###\n" + patchSourceCode + "\n";
// patchesSourceCode += actionSet.toString() + "\n";
}
}
@@ -129,7 +144,7 @@ public class HunkParser {
|| "SynchronizedStatement".equals(astNodeType) || "ThrowStatement".equals(astNodeType)
|| "TryStatement".equals(astNodeType) || "WhileStatement".equals(astNodeType)) {
String label = simpleTree.getLabel();
label = label.substring(0, label.indexOf("S")).toLowerCase();
label = label.substring(0, label.lastIndexOf("S")).toLowerCase();
tokens += label + " ";
} else if ("EnhancedForStatement".equals(astNodeType)) {
tokens += "for ";
@@ -170,77 +185,36 @@ public class HunkParser {
return null;
}
private int getEndPosition(List<ITree> children) {
int endPosition = 0;
for (ITree child : children) {
if (child.getLabel().endsWith("Body")) {
endPosition = child.getPos() - 1;
break;
}
}
return endPosition;
}
private String getPatchSourceCode(String sourceCode, int startLineNum, int endLineNum, int startLineNum2, int endLineNum2) {
String buggyStatements = "";
private String getPatchSourceCode(DiffEntryHunk hunk, int startLineNum, int endLineNum, int startLineNum2, int endLineNum2) {
String sourceCode = hunk.getHunk();
int bugStartLine = hunk.getBugLineStartNum();
int fixStartLine = hunk.getFixLineStartNum();String buggyStatements = "";
String fixedStatements = "";
BufferedReader reader = null;
try {
reader = new BufferedReader(new StringReader(sourceCode));
String line = null;
int startLine = 0;
int counter = 0;
int range = 0;
int startLine2 = 0;
int counter2 = 0;
int range2 = 0;
int counter3 = 0; // counter of non-buggy code line.
int bugLines = 0;
int fixLines = 0;
int contextLines = 0; // counter of non-buggy code line.
while ((line = reader.readLine()) != null) {
if (startLine == 0 && line.startsWith("@@ -")) {
// RegExp.filterSignal(line)
int plusIndex = line.indexOf("+");
String lineNum = line.substring(4, plusIndex);
String[] nums = lineNum.split(",");
if (nums.length != 2) {
continue;
}
startLine = Integer.parseInt(nums[0].trim());
range = Integer.parseInt(nums[1].trim());
if (startLine > endLineNum) {
return null; // Wrong Matching.
}
if (startLine + range < startLineNum) {
startLine = 0;
continue;
}
String lineNum2 = line.substring(plusIndex) .trim();
lineNum2 = lineNum2.substring(1, lineNum2.length() - 2);
String[] nums2 = lineNum2.split(",");
if (nums2.length != 2) {
startLine = 0;
range = 0;
continue;
}
startLine2 = Integer.parseInt(nums2[0].trim());
range2 = Integer.parseInt(nums2[1].trim());
continue;
}
int lineNum1 = counter + counter3;
int lineNum2 = counter2 + counter3;
if (startLine > 0 && startLine2 > 0 && lineNum1 < range && lineNum2 < range2) {
if (line.startsWith("-") && startLine + lineNum1 >= startLineNum && startLine + lineNum1 <= endLineNum) {
int bugLineIndex = bugLines + contextLines;
int fixLineIndex = fixLines + contextLines;
if (line.startsWith("-")) {
if (bugStartLine + bugLineIndex >= startLineNum && bugStartLine + bugLineIndex <= endLineNum) {
buggyStatements += line + "\n";
} else if (line.startsWith("+") && startLine2 + lineNum2 >= startLineNum2 && startLine2 + lineNum2 <= endLineNum2) {
}
bugLines ++;
} else if (line.startsWith("+")) {
if (fixStartLine + fixLineIndex >= startLineNum2 && fixStartLine + fixLineIndex <= endLineNum2) {
fixedStatements += line + "\n";
}
if (line.startsWith("-")) {
counter ++;
} else if (line.startsWith("+")) {
counter2 ++;
} else {
counter3 ++;
}
} else {
contextLines ++;
}
if (bugStartLine + bugLineIndex >= endLineNum && fixStartLine + fixLineIndex >= endLineNum2) {
break;
}
}
} catch (IOException e) {