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Multi-Assign Declarations

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This commit is contained in:
Ricardo Luís Vaz Silva 2022-12-20 10:44:20 -03:00 • committed by Christoph Oelckers
commit c8fe074041
7 changed files with 144 additions and 0 deletions
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22
src/common/scripting/frontend/zcc_compile.cpp
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@ -3350,6 +3350,28 @@ FxExpression *ZCCCompiler::ConvertNode(ZCC_TreeNode *ast, bool substitute)
return new FxMultiAssign(args, ConvertNode(ass->Sources), *ast);
}
case AST_AssignDeclStmt:
{
auto ass = static_cast<ZCC_AssignDeclStmt *>(ast);
FArgumentList args;
{
ZCC_TreeNode *n = ass->Dests;
if(n) do
{
args.Push(new FxIdentifier(static_cast<ZCC_Identifier*>(n)->Id,*n));
n = n->SiblingNext;
} while(n != ass->Dests);
}
assert(ass->Sources->SiblingNext == ass->Sources); // right side should be a single function call - nothing else
if (ass->Sources->NodeType != AST_ExprFuncCall)
{
// don't let this through to the code generator. This node is only used to assign multiple returns of a function to more than one variable.
Error(ass, "Right side of multi-assignment must be a function call");
return new FxNop(*ast); // allow compiler to continue looking for errors.
}
return new FxMultiAssignDecl(args, ConvertNode(ass->Sources), *ast);
}
default:
break;
}