Fix up to build with clang (and fix another bug)

- Remove exceptions
- Remove dynamic casts

The bug was relating to MaxStrategy not cleaning up the influence sets
after propagating changes. I just added a call to .clear() and it seems
fine.

1 files changed, 11 insertions, 8 deletions

diff --git a/impl/main.cpp b/impl/main.cpp
index b1d6984..6fbbda9 100644
--- a/impl/main.cpp
+++ b/impl/main.cpp
@@ -65,7 +65,8 @@ Expression<T>& treeToExpression(pANTLR3_BASE_TREE node, EquationSystem<T>& syste
     } else if (name == "GUARD") {
       op = new Guard<T>();
     } else {
-      throw "Parse error: Unknown operator";
+      std::cout << "throw exception" << *(char*)NULL;
+      //throw "Parse error: Unknown operator";
     }
     return system.expression(op, args);
   }
@@ -75,8 +76,10 @@ template<typename T>
 void treeToSystem(pANTLR3_BASE_TREE node, EquationSystem<T>& system) {
   ANTLR3_UINT32 num = node->getChildCount(node);
 
-  if (num % 2 == 1)
-    throw "Big problem here.";
+  if (num % 2 == 1) {
+    std::cout << "throw exception" << *(char*)NULL;
+    //throw "Big problem here.";
+  }
 
   pANTLR3_BASE_TREE varNode;
   pANTLR3_BASE_TREE exprNode;
@@ -122,12 +125,12 @@ int main (int argc, char* argv[]) {
     }
   }
 
-  auto input = antlr3FileStreamNew((pANTLR3_UINT8)argv[1], ANTLR3_ENC_8BIT);
-  auto lex = EquationSystemLexerNew(input);
-  auto tokens = antlr3CommonTokenStreamSourceNew(ANTLR3_SIZE_HINT, TOKENSOURCE(lex));
-  auto parser = EquationSystemParserNew(tokens);
+  pANTLR3_INPUT_STREAM input = antlr3FileStreamNew((pANTLR3_UINT8)argv[1], ANTLR3_ENC_8BIT);
+  pEquationSystemLexer lex = EquationSystemLexerNew(input);
+  pANTLR3_COMMON_TOKEN_STREAM tokens = antlr3CommonTokenStreamSourceNew(ANTLR3_SIZE_HINT, TOKENSOURCE(lex));
+  pEquationSystemParser parser = EquationSystemParserNew(tokens);
 
-  auto ret = parser -> equation_system(parser);
+  EquationSystemParser_equation_system_return ret = parser -> equation_system(parser);
 
   EquationSystem<ZBar> system;
   treeToSystem<ZBar>(ret.tree, system);