Fix #178 - single underscore

nimterop/getters.nim

@@ -655,7 +655,9 @@ proc getNimExpression*(nimState: NimState, expr: string, name = ""): string =
     if i == clean.len or gen.nBl:
       # Process identifier
       if ident.nBl:
-        ident = nimState.getIdentifier(ident, nskConst)
+        # Issue #178
+        if ident != "_":
+          ident = nimState.getIdentifier(ident, nskConst)
         if name.nBl and ident in nimState.constIdentifiers:
           ident = ident & "." & name
         result &= ident

tests/include/test.h

@@ -194,6 +194,12 @@ struct JKL {
   int **f1;
 };
 
+// Issue #178
+typedef enum
+{
+    SDLK_UNDERSCORE = '_'
+} SDL_KeyCode;
+
 #ifdef __cplusplus
 }
 #endif

tests/tnimterop_c.nim

@@ -227,3 +227,4 @@ cg.f2 = nil
 doAssert BIT == 1
 doAssert ca(nil) == 1
 doAssert cc(nil) == 2
+doAssert SDLK_UNDERSCORE == 95