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Code Issues Wiki Activity

Fix & testcase for 192639, AssertionFailedError in parser.

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This commit is contained in:
Markus Schorn 2007-06-14 13:31:49 +00:00
parent 1d64d99f2c
commit 5f0a6852c9
2 changed files with 23 additions and 7 deletions
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11
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2Tests.java
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@ -113,6 +113,7 @@ public class AST2Tests extends AST2BaseTest {
super(name);
}
public void testBug75189() throws Exception {
parseAndCheckBindings( "struct A{};\n typedef int (*F) (struct A*);" ); //$NON-NLS-1$
parseAndCheckBindings( "struct A{};\n typedef int (*F) (A*);", ParserLanguage.CPP ); //$NON-NLS-1$
@ -3867,4 +3868,14 @@ public class AST2Tests extends AST2BaseTest {
assertInstance(col.getName(13).resolveBinding(), IProblemBinding.class);
}
}
// /* a comment */
// #define INVALID(a, b) ## a ## b
// INVALID(1, 2)
//
public void test192639() throws Exception {
StringBuffer buffer = getContents(1)[0];
parse( buffer.toString(), ParserLanguage.CPP, false, false, true );
parse( buffer.toString(), ParserLanguage.C, false, false, true );
}
}

19
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/scanner2/BaseScanner.java
View file

@ -3575,7 +3575,7 @@ abstract class BaseScanner implements IScanner {
char[] prevArg = null;
int prevArgStart = -1;
int prevArgLength = -1;
int prevArgTarget = -1;
int prevArgTarget = 0;
int limit = expansion.length;
@ -3628,9 +3628,15 @@ abstract class BaseScanner implements IScanner {
// copy what we haven't so far
if (++lastcopy < idstart) {
int n = idstart - lastcopy;
if (result != null)
if (result != null) {
// the outpos may be set back when prevConcat is true, so make sure we
// stay in bounds.
if (prevConcat && outpos+n > result.length) {
n= result.length- outpos;
}
System.arraycopy(expansion, lastcopy, result,
outpos, n);
}
outpos += n;
}
@ -4257,14 +4263,14 @@ abstract class BaseScanner implements IScanner {
}
protected IToken scanComment() {
char[] buffer = bufferStack[bufferStackPos];
int limit = bufferLimit[bufferStackPos];
final int limit = bufferLimit[bufferStackPos];
int pos = bufferPos[bufferStackPos];
if (pos + 1 < limit) {
if (buffer[pos + 1] == '/') {
// C++ comment
int commentLength = 0;
while (++bufferPos[bufferStackPos] < bufferLimit[bufferStackPos]) {
while (++bufferPos[bufferStackPos] < limit) {
if (buffer[bufferPos[bufferStackPos]] == '\n'||buffer[bufferPos[bufferStackPos]] == '\r') {
break;
}
@ -4277,10 +4283,9 @@ abstract class BaseScanner implements IScanner {
} else if (buffer[pos + 1] == '*') {
// C comment, find closing */
int start = pos;
for (bufferPos[bufferStackPos] += 2; bufferPos[bufferStackPos] < limit; ++bufferPos[bufferStackPos]) {
for (bufferPos[bufferStackPos] += 2; bufferPos[bufferStackPos]+1 < limit; ++bufferPos[bufferStackPos]) {
pos = bufferPos[bufferStackPos];
if (buffer[pos] == '*' && pos + 1 < limit
&& buffer[pos + 1] == '/') {
if (buffer[pos] == '*' && buffer[pos + 1] == '/') {
++bufferPos[bufferStackPos];
break;
}