From 41b1e897569763c6688894597b7cab0cbb14a83d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Villemot?= <sebastien@dynare.org>
Date: Thu, 16 Jun 2022 16:44:01 +0200
Subject: [PATCH] =?UTF-8?q?Macro-processor:=20when=20a=20variable=20is=20d?=
 =?UTF-8?q?efined=20without=20a=20value,=20set=20it=20to=20=E2=80=9Ctrue?=
 =?UTF-8?q?=E2=80=9D?=
MIME-Version: 1.0
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Previously it was set to 1.

Also do the same change for variable defined on the command-line, for
consistency.

Closes: #43
---
 src/DynareMain.cc   | 2 +-
 src/macro/Parser.yy | 5 +----
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/DynareMain.cc b/src/DynareMain.cc
index 23fea237..f2d6182b 100644
--- a/src/DynareMain.cc
+++ b/src/DynareMain.cc
@@ -290,7 +290,7 @@ main(int argc, char **argv)
               equal_index != string::npos)
             defines.emplace_back(s.substr(2, equal_index-2), s.substr(equal_index+1));
           else
-            defines.emplace_back(s.substr(2), "1");
+            defines.emplace_back(s.substr(2), "true");
         }
       else if (s.substr(0, 2) == "-I")
         {
diff --git a/src/macro/Parser.yy b/src/macro/Parser.yy
index be7cc71e..7370324e 100644
--- a/src/macro/Parser.yy
+++ b/src/macro/Parser.yy
@@ -135,10 +135,7 @@ directive_one_line : INCLUDE expr
                    | INCLUDEPATH expr
                      { $$ = make_shared<IncludePath>($2, @$); }
                    | DEFINE symbol
-                     {
-                       auto tmp = make_shared<Real>("1", @$);
-                       $$ = make_shared<Define>($2, tmp, @$);
-                     }
+                     { $$ = make_shared<Define>($2, make_shared<Bool>(true, @$), @$); }
                    | DEFINE symbol EQUAL expr
                      { $$ = make_shared<Define>($2, $4, @$); }
                    | DEFINE function EQUAL expr