Lil-Ran/Pyarmor-Static-Unpack-1shot
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Delete slices and magic build slice stuff

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This commit is contained in:
Darryl Pogue
2011-01-06 10:56:10 -08:00
parent 4750015423
commit c0d7bc9515
1 changed files with 114 additions and 0 deletions
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114
ASTree.cpp
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@@ -204,6 +204,80 @@ PycRef<ASTNode> BuildFromCode(PycRef<PycCode> code, PycModule* mod)
case Pyc::BUILD_MAP_A:
stack.push(new ASTMap());
break;
case Pyc::BUILD_SLICE_A:
{
if (operand == 2) {
PycRef<ASTNode> end = stack.top();
stack.pop();
PycRef<ASTNode> start = stack.top();
stack.pop();
if (start->type() == ASTNode::NODE_OBJECT
&& start.cast<ASTObject>()->object() == Pyc_None) {
start = Node_NULL;
}
if (end->type() == ASTNode::NODE_OBJECT
&& end.cast<ASTObject>()->object() == Pyc_None) {
end = Node_NULL;
}
if (start == Node_NULL && end == Node_NULL) {
stack.push(new ASTSlice(ASTSlice::SLICE0));
} else if (start == Node_NULL) {
stack.push(new ASTSlice(ASTSlice::SLICE2, start, end));
} else if (end == Node_NULL) {
stack.push(new ASTSlice(ASTSlice::SLICE1, start, end));
} else {
stack.push(new ASTSlice(ASTSlice::SLICE3, start, end));
}
} else if (operand == 3) {
PycRef<ASTNode> step = stack.top();
stack.pop();
PycRef<ASTNode> end = stack.top();
stack.pop();
PycRef<ASTNode> start = stack.top();
stack.pop();
if (start->type() == ASTNode::NODE_OBJECT
&& start.cast<ASTObject>()->object() == Pyc_None) {
start = Node_NULL;
}
if (end->type() == ASTNode::NODE_OBJECT
&& end.cast<ASTObject>()->object() == Pyc_None) {
end = Node_NULL;
}
if (step->type() == ASTNode::NODE_OBJECT
&& step.cast<ASTObject>()->object() == Pyc_None) {
step = Node_NULL;
}
/* We have to do this as a slice where one side is another slice */
/* [[a:b]:c] */
if (start == Node_NULL && end == Node_NULL) {
stack.push(new ASTSlice(ASTSlice::SLICE0));
} else if (start == Node_NULL) {
stack.push(new ASTSlice(ASTSlice::SLICE2, start, end));
} else if (end == Node_NULL) {
stack.push(new ASTSlice(ASTSlice::SLICE1, start, end));
} else {
stack.push(new ASTSlice(ASTSlice::SLICE3, start, end));
}
PycRef<ASTNode> lhs = stack.top();
stack.pop();
if (step == Node_NULL) {
stack.push(new ASTSlice(ASTSlice::SLICE1, lhs, step));
} else {
stack.push(new ASTSlice(ASTSlice::SLICE3, lhs, step));
}
}
}
break;
case Pyc::BUILD_TUPLE_A:
{
ASTTuple::value_t values;
@@ -275,6 +349,46 @@ PycRef<ASTNode> BuildFromCode(PycRef<PycCode> code, PycModule* mod)
curblock->append(new ASTDelete(name));
}
break;
case Pyc::DELETE_SLICE_0:
{
PycRef<ASTNode> name = stack.top();
stack.pop();
curblock->append(new ASTDelete(new ASTSubscr(name, new ASTSlice(ASTSlice::SLICE0))));
}
break;
case Pyc::DELETE_SLICE_1:
{
PycRef<ASTNode> upper = stack.top();
stack.pop();
PycRef<ASTNode> name = stack.top();
stack.pop();
curblock->append(new ASTDelete(new ASTSubscr(name, new ASTSlice(ASTSlice::SLICE1, upper))));
}
break;
case Pyc::DELETE_SLICE_2:
{
PycRef<ASTNode> lower = stack.top();
stack.pop();
PycRef<ASTNode> name = stack.top();
stack.pop();
curblock->append(new ASTDelete(new ASTSubscr(name, new ASTSlice(ASTSlice::SLICE2, Node_NULL, lower))));
}
break;
case Pyc::DELETE_SLICE_3:
{
PycRef<ASTNode> lower = stack.top();
stack.pop();
PycRef<ASTNode> upper = stack.top();
stack.pop();
PycRef<ASTNode> name = stack.top();
stack.pop();
curblock->append(new ASTDelete(new ASTSubscr(name, new ASTSlice(ASTSlice::SLICE3, upper, lower))));
}
break;
case Pyc::DELETE_SUBSCR:
{
PycRef<ASTNode> key = stack.top();