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Merge pull request #2548 from Thomasb81/fix2547 

Fix overlaping condition
This commit is contained in:
Terence Parr 2019-05-18 09:48:40 -07:00 committed by GitHub
parent 7c334b114c 3534089ddf
commit edae2a1c9b
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 5 additions and 9 deletions
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3
runtime/CSharp/runtime/CSharp/Antlr4.Runtime/TokenStreamRewriter.cs
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@ -612,7 +612,6 @@ namespace Antlr4.Runtime
}
// throw exception unless disjoint or identical
bool disjoint = prevRop.lastIndex < rop.index || prevRop.index > rop.lastIndex;
bool same = prevRop.index == rop.index && prevRop.lastIndex == rop.lastIndex;
// Delete special case of replace (text==null):
// D.i-j.u D.x-y.v | boundaries overlap combine to max(min)..max(right)
if (prevRop.text == null && rop.text == null && !disjoint)
@ -628,7 +627,7 @@ namespace Antlr4.Runtime
}
else
{
if (!disjoint && !same)
if (!disjoint)
{
throw new ArgumentException("replace op boundaries of " + rop + " overlap with previous " + prevRop);
}

3
runtime/Cpp/runtime/src/TokenStreamRewriter.cpp
View File

@ -348,7 +348,6 @@ std::unordered_map<size_t, TokenStreamRewriter::RewriteOperation*> TokenStreamRe
}
// throw exception unless disjoint or identical
bool disjoint = prevRop->lastIndex < rop->index || prevRop->index > rop->lastIndex;
bool same = prevRop->index == rop->index && prevRop->lastIndex == rop->lastIndex;
// Delete special case of replace (text==null):
// D.i-j.u D.x-y.v | boundaries overlap combine to max(min)..max(right)
if (prevRop->text.empty() && rop->text.empty() && !disjoint) {
@ -358,7 +357,7 @@ std::unordered_map<size_t, TokenStreamRewriter::RewriteOperation*> TokenStreamRe
rop->lastIndex = std::max(prevRop->lastIndex, rop->lastIndex);
std::cout << "new rop " << rop << std::endl;
}
else if (!disjoint && !same) {
else if (!disjoint) {
throw IllegalArgumentException("replace op boundaries of " + rop->toString() +
" overlap with previous " + prevRop->toString());
}

3
runtime/Python2/src/antlr4/TokenStreamRewriter.py
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@ -157,13 +157,12 @@ class TokenStreamRewriter(object):
rewrites[prevRop.instructionIndex] = None
continue
isDisjoint = any((prevRop.last_index < rop.index, prevRop.index > rop.last_index))
isSame = all((prevRop.index == rop.index, prevRop.last_index == rop.last_index))
if all((prevRop.text is None, rop.text is None, not isDisjoint)):
rewrites[prevRop.instructionIndex] = None
rop.index = min(prevRop.index, rop.index)
rop.last_index = min(prevRop.last_index, rop.last_index)
print('New rop {}'.format(rop))
elif not all((isDisjoint, isSame)):
elif (not(isDisjoint)):
raise ValueError("replace op boundaries of {} overlap with previous {}".format(rop, prevRop))
# Walk inserts before

5
runtime/Python3/src/antlr4/TokenStreamRewriter.py
View File

@ -156,13 +156,12 @@ class TokenStreamRewriter(object):
rewrites[prevRop.instructionIndex] = None
continue
isDisjoint = any((prevRop.last_index<rop.index, prevRop.index>rop.last_index))
isSame = all((prevRop.index == rop.index, prevRop.last_index == rop.last_index))
if all((prevRop.text is None, rop.text is None, not isDisjoint)):
rewrites[prevRop.instructionIndex] = None
rop.index = min(prevRop.index, rop.index)
rop.last_index = min(prevRop.last_index, rop.last_index)
print('New rop {}'.format(rop))
elif not all((isDisjoint, isSame)):
elif (not(isDisjoint)):
raise ValueError("replace op boundaries of {} overlap with previous {}".format(rop, prevRop))
# Walk inserts
@ -249,4 +248,4 @@ class TokenStreamRewriter(object):
def __str__(self):
if self.text:
return '<ReplaceOp@{}..{}:"{}">'.format(self.tokens.get(self.index), self.tokens.get(self.last_index),
self.text)
self.text)