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Add Null Coalescing operator

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This commit is contained in:
Mike Nolan
2025-07-26 20:17:19 -05:00
parent a233adf37f
commit 92d65771c1
6 changed files with 319 additions and 5 deletions
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13
src/compiler/codegen.cpp
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@@ -521,7 +521,18 @@ namespace Tesses::CrossLang
TWO_EXPR(NotEqualsExpression, NEQ)
TWO_EXPR(EqualsExpression, EQ)
TWO_EXPR(XOrExpression, XOR)
if(adv.nodeName == ClassStatement && adv.nodes.size() >= 3 && std::holds_alternative<std::string>(adv.nodes[0]))
if(adv.nodeName == NullCoalescingExpression && adv.nodes.size() == 2)
{
uint32_t ifId = NewId();
std::string ifIdTrue = "__compGenTrue";
ifIdTrue.append(std::to_string(ifId));
GenNode(instructions,adv.nodes[0],scope,contscope,brkscope,contI,brkI);
instructions.push_back(new JumpStyleInstruction(Instruction::JMPIFDEFINED, ifIdTrue));
GenNode(instructions,adv.nodes[1],scope,contscope,brkscope,contI,brkI);
instructions.push_back(new LabelInstruction(ifIdTrue));
}
else if(adv.nodeName == ClassStatement && adv.nodes.size() >= 3 && std::holds_alternative<std::string>(adv.nodes[0]))
{
CodeGenClass cls;
cls.documentation = GetString(std::get<std::string>(adv.nodes[0]));