Macro processor: gracefully fail when argument to @#ifdef/@#ifndef is not a variable name
Ref. dynare#1771issue#70
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@ -1,5 +1,5 @@
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/*
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* Copyright © 2019-2020 Dynare Team
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* Copyright © 2019-2021 Dynare Team
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*
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* This file is part of Dynare.
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*
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@ -253,7 +253,9 @@ If::interpret(ostream &output, Environment &env, vector<filesystem::path> &paths
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{
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first_clause = false;
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VariablePtr vp = dynamic_pointer_cast<Variable>(expr);
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assert(vp);
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if (!vp)
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error(StackTrace(ifdef ? "@#ifdef" : "@ifndef",
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"The condition must be a variable name", location));
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if ((ifdef && env.isVariableDefined(vp->getName()))
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|| (ifndef && !env.isVariableDefined(vp->getName())))
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{
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