X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbooleanevaluator.cpp;h=58a6fcf1a682b53aa0c6ef54627a9f7729f7eecd;hb=8b133e26e29abbe79886c47d57637eb18ea9cb24;hp=6891abceff9a8088db506c6ea1388664830fb4f1;hpb=44c71b05ff282b3ce5a2d71c0f14eed97bfefea6;p=builder.git

diff --git a/source/booleanevaluator.cpp b/source/booleanevaluator.cpp
index 6891abc..58a6fcf 100644
--- a/source/booleanevaluator.cpp
+++ b/source/booleanevaluator.cpp
@@ -1,7 +1,9 @@
 #include <stdexcept>
+#include <msp/strings/format.h>
 #include "booleanevaluator.h"
 
 using namespace std;
+using namespace Msp;
 
 BooleanEvaluator::BooleanEvaluator(const ValueFunction &f):
 	func([&f](const string &value, const string *){ return f(value); }),
@@ -51,7 +53,7 @@ bool BooleanEvaluator::evaluate(const string &str)
 			else if(ops.find(*i)!=string::npos)
 				push_op(*i);
 			else
-				throw runtime_error("syntax error at "+string(1, *i));
+				throw runtime_error(format("syntax error at %c", *i));
 		}
 	}
 
@@ -67,7 +69,7 @@ bool BooleanEvaluator::evaluate(const string &str)
 void BooleanEvaluator::push_op(char op)
 {
 	if(last_was_op!=is_unary(op))
-		throw runtime_error("syntax error at "+string(1, op));
+		throw runtime_error(format("syntax error at %c", op));
 	// TODO Disallow mixing of ! and =/^
 	if(is_logic(op) && !var_stack.empty())
 		value_stack.push_back(pop_value());