break code into separate files

1 files changed, 42 insertions, 0 deletions

diff --git a/var.cpp b/var.cpp
new file mode 100644
index 0000000..339054f
--- /dev/null
+++ b/var.cpp
@@ -0,0 +1,42 @@
+#include "var.hpp"
+
+#include <list>
+#include <map>
+#include <string>
+
+static std::list<std::map<std::string, Var>> llvmVars;
+
+Var Var::lookup(const std::string& name, int skip)
+{
+    for (auto sc = llvmVars.rbegin(); sc != llvmVars.rend(); ++sc) {
+        if (skip > 0) {
+            --skip;
+            continue;
+        }
+        if (sc->contains(name))
+            return (*sc)[name];
+    }
+
+    return {};
+}
+
+void Var::pushScope()
+{
+    llvmVars.emplace_back();
+}
+
+void Var::popScope()
+{
+    llvmVars.pop_back();
+}
+
+Var& Var::addGlobal(const std::string& name, Var var)
+{
+    return llvmVars.front().emplace(name, var).first->second;
+}
+
+Var& Var::addLocal(const std::string& name, Var var)
+{
+    return llvmVars.back().emplace(name, var).first->second;
+}
+