X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=retrace.py;h=3a6c0f9cebfe6bfc7e6705f245834183004e9553;hb=041e5be6105ab6b43841f525b17afb6d982323b0;hp=ea2377ccf91c29c4aceb0485515959cbd6868cd3;hpb=8a844ae5c0f8a681d027678a2026894586e4e745;p=apitrace

diff --git a/retrace.py b/retrace.py
index ea2377c..3a6c0f9 100644
--- a/retrace.py
+++ b/retrace.py
@@ -98,9 +98,11 @@ class ValueExtractor(stdapi.Visitor):
             print '    }'
 
     def visit_handle(self, handle, lvalue, rvalue):
-        self.visit(handle.type, lvalue, handle_entry(handle, rvalue));
-        print '    if (verbosity >= 2)'
-        print '        std::cout << "%s " << static_cast<%s>(%s) << " <- " << %s << "\\n";' % (handle.name, handle.type, rvalue, lvalue)
+        OpaqueValueExtractor().visit(handle.type, lvalue, rvalue);
+        new_lvalue = handle_entry(handle, lvalue)
+        print '    if (retrace::verbosity >= 2)'
+        print '        std::cout << "%s " << size_t(%s) << " <- " << size_t(%s) << "\\n";' % (handle.name, lvalue, new_lvalue)
+        print '    %s = %s;' % (lvalue, new_lvalue)
     
     def visit_blob(self, blob, lvalue, rvalue):
         print '    %s = static_cast<%s>((%s).blob());' % (lvalue, blob, rvalue)
@@ -109,6 +111,15 @@ class ValueExtractor(stdapi.Visitor):
         print '    %s = (%s)((%s).string());' % (lvalue, string.expr, rvalue)
 
 
+class OpaqueValueExtractor(ValueExtractor):
+    '''Value extractor that also understands opaque values.
+
+    Normally opaque values can't be retraced, unless they are being extracted
+    in the context of handles.'''
+
+    def visit_opaque(self, opaque, lvalue, rvalue):
+        print '    %s = static_cast<%s>((%s).blob());' % (lvalue, opaque, rvalue)
+
 
 class ValueWrapper(stdapi.Visitor):
 
@@ -144,22 +155,23 @@ class ValueWrapper(stdapi.Visitor):
         finally:
             print '    }'
     
-
     def visit_handle(self, handle, lvalue, rvalue):
+        print '    %s __orig_result;' % handle.type
+        OpaqueValueExtractor().visit(handle.type, '__orig_result', rvalue);
         if handle.range is None:
-            rvalue = "static_cast<%s>(%s)" % (handle.type, rvalue)
+            rvalue = "__orig_result"
             entry = handle_entry(handle, rvalue) 
             print "    %s = %s;" % (entry, lvalue)
-            print '    if (verbosity >= 2)'
+            print '    if (retrace::verbosity >= 2)'
             print '        std::cout << "{handle.name} " << {rvalue} << " -> " << {lvalue} << "\\n";'.format(**locals())
         else:
             i = '__h' + handle.id
             lvalue = "%s + %s" % (lvalue, i)
-            rvalue = "static_cast<%s>(%s) + %s" % (handle.type, rvalue, i)
+            rvalue = "__orig_result + %s" % (i,)
             entry = handle_entry(handle, rvalue) 
             print '    for({handle.type} {i} = 0; {i} < {handle.range}; ++{i}) {{'.format(**locals())
             print '        {entry} = {lvalue};'.format(**locals())
-            print '        if (verbosity >= 2)'
+            print '        if (retrace::verbosity >= 2)'
             print '            std::cout << "{handle.name} " << ({rvalue}) << " -> " << ({lvalue}) << "\\n";'.format(**locals())
             print '    }'
     
@@ -174,6 +186,11 @@ class Retracer:
 
     def retrace_function(self, function):
         print 'static void retrace_%s(Trace::Call &call) {' % function.name
+        self.retrace_function_body(function)
+        print '}'
+        print
+
+    def retrace_function_body(self, function):
         success = True
         for arg in function.args:
             arg_type = ConstRemover().visit(arg.type)
@@ -205,11 +222,10 @@ class Retracer:
                 ValueWrapper().visit(function.type, lvalue, rvalue)
             except NotImplementedError:
                 print '   // FIXME: result'
-        print '}'
-        print
 
     def fail_function(self, function):
-        print '    std::cerr << "warning: unsupported call %s\\n";' % function.name
+        print '    if (retrace::verbosity >= 0)'
+        print '        std::cerr << "warning: unsupported call %s\\n";' % function.name
         print '    return;'
 
     def extract_arg(self, function, arg, arg_type, lvalue, rvalue):
@@ -233,10 +249,10 @@ class Retracer:
             if function.sideeffects:
                 self.retrace_function(function)
 
-        print 'static bool retrace_call(Trace::Call &call) {'
+        print 'bool retrace::retrace_call(Trace::Call &call) {'
         print '    const char *name = call.name().c_str();'
         print
-        print '    if (verbosity >=1 ) {'
+        print '    if (retrace::verbosity >= 1) {'
         print '        std::cout << call;'
         print '        std::cout.flush();'
         print '    };'
@@ -252,7 +268,8 @@ class Retracer:
     
         string_switch('name', func_dict.keys(), handle_case)
 
-        print '    std::cerr << "warning: unknown call " << call.name() << "\\n";'
+        print '    if (retrace::verbosity >= 0)'
+        print '        std::cerr << "warning: unknown call " << call.name() << "\\n";'
         print '    return false;'
         print '}'
         print
@@ -261,6 +278,7 @@ class Retracer:
     def retrace_api(self, api):
 
         print '#include "trace_parser.hpp"'
+        print '#include "retrace.hpp"'
         print
 
         types = api.all_types()
@@ -269,15 +287,12 @@ class Retracer:
         for handle in handles:
             if handle.name not in handle_names:
                 if handle.key is None:
-                    print 'static std::map<%s, %s> __%s_map;' % (handle.type, handle.type, handle.name)
+                    print 'static retrace::map<%s> __%s_map;' % (handle.type, handle.name)
                 else:
                     key_name, key_type = handle.key
-                    print 'static std::map<%s, std::map<%s, %s> > __%s_map;' % (key_type, handle.type, handle.type, handle.name)
+                    print 'static std::map<%s, retrace::map<%s> > __%s_map;' % (key_type, handle.type, handle.name)
                 handle_names.add(handle.name)
         print
 
-        print 'unsigned verbosity = 0;'
-        print
-
         self.retrace_functions(api.functions)