Fix C argument parser "p" format not working

Author: msimacek

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/cext/common/CExtParseArgumentsNode.java

@@ -76,8 +76,6 @@
 import com.oracle.graal.python.builtins.objects.tuple.PTuple;
 import com.oracle.graal.python.nodes.ErrorMessages;
 import com.oracle.graal.python.nodes.PGuards;
-import com.oracle.graal.python.nodes.SpecialMethodNames;
-import com.oracle.graal.python.nodes.call.special.LookupAndCallUnaryNode.LookupAndCallUnaryDynamicNode;
 import com.oracle.graal.python.nodes.classes.IsSubtypeNode;
 import com.oracle.graal.python.nodes.object.IsBuiltinClassProfile;
 import com.oracle.graal.python.runtime.PythonContext;
@@ -949,12 +947,12 @@ private static int intValue(Number rc) {
         static ParserState doPredicate(ParserState state, Object kwds, @SuppressWarnings("unused") char c, @SuppressWarnings("unused") char[] format, @SuppressWarnings("unused") int format_idx,
                         Object kwdnames, Object varargs,
                         @Shared("getArgNode") @Cached GetArgNode getArgNode,
-                        @Shared("writeOutVarNode") @Cached WriteOutVarNode writeOutVarNode) throws InteropException, ParseArgumentsException {
+                        @Shared("writeOutVarNode") @Cached WriteOutVarNode writeOutVarNode,
+                        @CachedLibrary(limit = "3") PythonObjectLibrary lib) throws InteropException, ParseArgumentsException {
 
             Object arg = getArgNode.execute(state, kwds, kwdnames, state.restKeywordsOnly);
             if (!skipOptionalArg(arg, state.restOptional)) {
-                // TODO(fa) refactor 'CastToBooleanNode' to provide uncached version and use it
-                writeOutVarNode.writeInt32(varargs, state.outIndex, LookupAndCallUnaryDynamicNode.getUncached().executeObject(arg, SpecialMethodNames.__BOOL__));
+                writeOutVarNode.writeInt32(varargs, state.outIndex, lib.isTrue(arg) ? 1 : 0);
             }
             return state.incrementOutIndex();
         }