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authorXiaohong Bao <bao@lindenlab.com>2011-07-15 12:14:34 -0600
committerXiaohong Bao <bao@lindenlab.com>2011-07-15 12:14:34 -0600
commitd9512674678bbb80b8d0d9c5105f56dbd1b2252b (patch)
treec3c8d64c683cd46d9d1e5d953dc6caca22213db4 /indra/llmath/llcalcparser.cpp
parentd31e6735370711088f01cff448aa22f71c4c10c4 (diff)
parent44c7c6feaa824f4049d326965cb066e76ebefee3 (diff)
Merge from viewer-development
Diffstat (limited to 'indra/llmath/llcalcparser.cpp')
-rw-r--r--indra/llmath/llcalcparser.cpp46
1 files changed, 46 insertions, 0 deletions
diff --git a/indra/llmath/llcalcparser.cpp b/indra/llmath/llcalcparser.cpp
new file mode 100644
index 0000000000..fd55376fa9
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+++ b/indra/llmath/llcalcparser.cpp
@@ -0,0 +1,46 @@
+/*
+ * LLCalcParser.cpp
+ * SecondLife
+ *
+ * Created by Aimee Walton on 28/09/2008.
+ * Copyright 2008 Aimee Walton.
+ *
+ */
+
+#include "linden_common.h"
+
+#include "llcalcparser.h"
+using namespace boost::spirit::classic;
+
+F32 LLCalcParser::lookup(const std::string::iterator& start, const std::string::iterator& end) const
+{
+ LLCalc::calc_map_t::iterator iter;
+
+ std::string name(start, end);
+
+ if (mConstants)
+ {
+ iter = mConstants->find(name);
+ if (iter != mConstants->end())
+ {
+ return (*iter).second;
+ }
+ }
+ else
+ {
+ // This should never happen!
+ throw_(end, std::string("Missing constants table"));
+ }
+
+ if (mVariables)
+ {
+ iter = mVariables->find(name);
+ if (iter != mVariables->end())
+ {
+ return (*iter).second;
+ }
+ }
+
+ throw_(end, std::string("Unknown symbol " + name));
+ return 0.f;
+}