missing files

This commit is contained in:
Alexey Kudravtsev
2010-02-03 19:00:54 +03:00
parent a9d3c2cc27
commit b8a8286638
5 changed files with 871 additions and 0 deletions
@@ -0,0 +1,97 @@
/*
* Copyright 2000-2010 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.codeInspection;
import com.intellij.codeInsight.daemon.GroupNames;
import com.intellij.codeInsight.daemon.JavaErrorMessages;
import com.intellij.codeInspection.ex.BaseLocalInspectionTool;
import com.intellij.openapi.util.Key;
import com.intellij.psi.*;
import com.intellij.psi.util.ConstantEvaluationOverflowException;
import com.intellij.psi.util.TypeConversionUtil;
import org.jetbrains.annotations.Nls;
import org.jetbrains.annotations.NotNull;
/**
* User: cdr
*/
public class NumericOverflowInspection extends BaseLocalInspectionTool {
private static final Key<String> HAS_OVERFLOW_IN_CHILD = Key.create("HAS_OVERFLOW_IN_CHILD");
@Nls
@NotNull
@Override
public String getGroupDisplayName() {
return GroupNames.NUMERIC_GROUP_NAME;
}
@Nls
@NotNull
@Override
public String getDisplayName() {
return "Numeric overflow";
}
@NotNull
@Override
public String getShortName() {
return "NumericOverflow";
}
@NotNull
@Override
public PsiElementVisitor buildVisitor(@NotNull final ProblemsHolder holder, boolean isOnTheFly) {
return new JavaElementVisitor() {
@Override
public void visitReferenceExpression(PsiReferenceExpression expression) {
visitExpression(expression);
}
@Override
public void visitExpression(PsiExpression expression) {
boolean info = hasOverflow(expression);
if (info) {
holder.registerProblem(expression, JavaErrorMessages.message("numeric.overflow.in.expression"), ProblemHighlightType.GENERIC_ERROR_OR_WARNING);
}
}
};
}
private static boolean hasOverflow(PsiExpression expr) {
if (!TypeConversionUtil.isNumericType(expr.getType())) return false;
boolean overflow = false;
try {
if (expr.getUserData(HAS_OVERFLOW_IN_CHILD) == null) {
JavaPsiFacade.getInstance(expr.getProject()).getConstantEvaluationHelper().computeConstantExpression(expr, true);
}
else {
overflow = true;
}
}
catch (ConstantEvaluationOverflowException e) {
overflow = true;
}
finally {
PsiElement parent = expr.getParent();
if (overflow && parent instanceof PsiExpression) {
parent.putUserData(HAS_OVERFLOW_IN_CHILD, "");
}
}
return overflow;
}
}
@@ -0,0 +1,656 @@
<?xml version="1.0" encoding="UTF-8"?>
<problems>
<problem>
<file>Foo.java</file>
<line>87</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>16</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>17</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>17</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>18</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>18</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>19</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>19</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>25</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>27</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>27</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>28</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>28</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>29</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>29</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>30</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>30</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>34</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>35</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>35</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>36</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>36</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>37</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>37</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>38</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>38</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>39</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>39</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>43</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>43</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>44</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>44</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>45</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>45</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>47</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>47</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>48</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>48</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>51</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>52</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>52</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>53</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>53</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>54</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>54</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>55</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>55</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>56</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>56</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>60</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>60</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>62</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>62</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>63</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>63</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>64</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>64</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>65</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>65</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>67</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>67</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>68</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>68</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>69</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>69</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>71</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>71</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>72</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>72</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>72</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>72</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>73</line>
<description>Numeric overflow in expression</description>
</problem>
<problem>
<file>Foo.java</file>
<line>73</line>
<description>Numeric overflow in expression</description>
</problem>
</problems>
@@ -0,0 +1,88 @@
// overflows in const expressions
class c {
// @*#$& ! references do not work in JRE
static final long LONG_MIN_VALUE = 0x8000000000000000L;
static final long LONG_MAX_VALUE = 0x7fffffffffffffffL;
static final int INTEGER_MIN_VALUE = 0x80000000;
static final int INTEGER_MAX_VALUE = 0x7fffffff;
static final float FLOAT_MIN_VALUE = 1.4e-45f;
static final float FLOAT_MAX_VALUE = 3.4028235e+38f;
static final double DOUBLE_MIN_VALUE = 4.9e-324;
static final double DOUBLE_MAX_VALUE = 1.7976931348623157e+308;
void f() {
float f1 = 1.0f / 0.0f;
f1 = FLOAT_MAX_VALUE + FLOAT_MAX_VALUE;
f1 = FLOAT_MAX_VALUE * 2;
f1 = 2 / FLOAT_MIN_VALUE;
f1 = FLOAT_MIN_VALUE + 1;
f1 = - FLOAT_MIN_VALUE;
f1 = -FLOAT_MAX_VALUE;
System.out.println(f1);
double d1 = DOUBLE_MAX_VALUE - -DOUBLE_MAX_VALUE;
d1 = DOUBLE_MAX_VALUE + 1;
d1 = 2 * DOUBLE_MAX_VALUE;
d1 = 2 / DOUBLE_MIN_VALUE;
d1 = 2 / 0.0d;
d1 = 2 / 0.0;
System.out.println(d1);
int i1 = INTEGER_MAX_VALUE + 1;
i1 = INTEGER_MAX_VALUE - 1 + 2;
i1 = INTEGER_MAX_VALUE - INTEGER_MIN_VALUE;
i1 = -INTEGER_MIN_VALUE;
i1 = INTEGER_MIN_VALUE - 1;
i1 = INTEGER_MIN_VALUE - INTEGER_MAX_VALUE;
i1 = INTEGER_MIN_VALUE + INTEGER_MAX_VALUE;
i1 = - INTEGER_MAX_VALUE;
i1 = - -INTEGER_MAX_VALUE;
i1 = INTEGER_MIN_VALUE * -1;
i1 = INTEGER_MIN_VALUE * 2;
i1 = INTEGER_MAX_VALUE * -2;
i1 = INTEGER_MAX_VALUE * -1;
i1 = 2 / 0;
i1 = INTEGER_MIN_VALUE / -1;
System.out.println(i1);
long l1 = LONG_MAX_VALUE + 1;
l1 = LONG_MAX_VALUE - 1 + 2;
l1 = LONG_MAX_VALUE - LONG_MIN_VALUE;
l1 = -LONG_MIN_VALUE;
l1 = LONG_MIN_VALUE - 1;
l1 = LONG_MIN_VALUE - LONG_MAX_VALUE;
l1 = LONG_MIN_VALUE + LONG_MAX_VALUE;
l1 = - LONG_MAX_VALUE;
l1 = - -LONG_MAX_VALUE;
l1 = -INTEGER_MIN_VALUE;
l1 = -1L + INTEGER_MIN_VALUE;
l1 = LONG_MIN_VALUE * INTEGER_MIN_VALUE;
l1 = LONG_MIN_VALUE * -1;
l1 = LONG_MIN_VALUE * 2;
l1 = LONG_MAX_VALUE * -2;
l1 = INTEGER_MIN_VALUE * -1L;
l1 = 2 / 0L;
l1 = 2 % 0L;
l1 = LONG_MIN_VALUE / -1;
l1 = 30 * 24 * 60 * 60 * 1000;
l1 = 30000000 * 243232323
* (LONG_MAX_VALUE +3) / 5;
System.out.println(l1);
}
private static final long MILLIS_PER_DAY = 24 * 3600 * 1000;
private static final long _7DAYS = 7 * MILLIS_PER_DAY;
private static final long _30DAYS = 30 * MILLIS_PER_DAY;
private static final long _1000DAYS = 1000 * MILLIS_PER_DAY;
{
System.out.println(_1000DAYS + _30DAYS + _7DAYS);
}
int iii = 2 % 0;
}
@@ -0,0 +1,21 @@
package com.intellij.codeInspection;
import com.intellij.JavaTestUtil;
import com.intellij.codeInspection.defUse.DefUseInspection;
import com.intellij.testFramework.InspectionTestCase;
public class NumericOverflowTest extends InspectionTestCase {
@Override
protected String getTestDataPath() {
return JavaTestUtil.getJavaTestDataPath() + "/inspection";
}
private void doTest() throws Exception {
doTest("numericOverflow/" + getTestName(false), new NumericOverflowInspection());
}
public void testSimple() throws Exception {
doTest();
}
}
@@ -0,0 +1,9 @@
<html>
<body>
<font face="verdana" size="-1">This inspection checks for expressions which overflow during computation, i.e.:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<b><font color="#000080">a = 1.0/0.0;</font></b>
</font>
</body>
</html>