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Add support for 3.6+ default arguments #391

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Add support for 3.6+ default arguments #391

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44a847f
Add support for 3.6+ default arguments
ptrstr Oct 18, 2023
0ab4f8a
Fix free-var closure default argument for 3.6+
ptrstr Oct 18, 2023
bde5464
Better version check. Better LOAD_CLOSURE handling
ptrstr Oct 19, 2023
7f4564e
Fix test_functions_py3 tests
ptrstr Oct 19, 2023
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46 changes: 37 additions & 9 deletions ASTree.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1469,6 +1469,7 @@ PycRef<ASTNode> BuildFromCode(PycRef<PycCode> code, PycModule* mod)
break;
case Pyc::LOAD_CLOSURE_A:
/* Ignore this */
stack.push(new ASTNode());
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break;
case Pyc::LOAD_CONST_A:
{
Expand Down Expand Up @@ -1545,15 +1546,42 @@ PycRef<ASTNode> BuildFromCode(PycRef<PycCode> code, PycModule* mod)
}

ASTFunction::defarg_t defArgs, kwDefArgs;
const int defCount = operand & 0xFF;
const int kwDefCount = (operand >> 8) & 0xFF;
for (int i = 0; i < defCount; ++i) {
defArgs.push_front(stack.top());
stack.pop();
}
for (int i = 0; i < kwDefCount; ++i) {
kwDefArgs.push_front(stack.top());
stack.pop();

if (mod->minorVer() <= 5) {
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const int defCount = operand & 0xFF;
const int kwDefCount = (operand >> 8) & 0xFF;
for (int i = 0; i < defCount; ++i) {
defArgs.push_front(stack.top());
stack.pop();
}
for (int i = 0; i < kwDefCount; ++i) {
kwDefArgs.push_front(stack.top());
stack.pop();
}
} else {
if (operand & 0x08) {
stack.pop();
}

if (operand & 0x04) {
stack.pop();
}

if (operand & 0x02) {
PycRef<ASTConstMap> defaultsDict = stack.top().cast<ASTConstMap>();
stack.pop();

for (PycRef<ASTNode> value : defaultsDict->values())
kwDefArgs.push_front(value);
}

if (operand & 0x01) {
PycRef<PycTuple> defaultsTuple = stack.top().cast<ASTObject>()->object().cast<PycTuple>();
stack.pop();

for (PycRef<PycObject> value : defaultsTuple->values())
defArgs.push_back(new ASTObject(value));
}
}
stack.push(new ASTFunction(fun_code, defArgs, kwDefArgs));
}
Expand Down
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