X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=retrace.py;h=78762ef8760434d5fcbfac1853fc6300f55f8176;hb=e923607ddc14a2f135e2c08317833bca902b4a65;hp=3a6c0f9cebfe6bfc7e6705f245834183004e9553;hpb=a10af89da84775b99c5d15333ca60690d33da7f5;p=apitrace

diff --git a/retrace.py b/retrace.py
index 3a6c0f9..78762ef 100644
--- a/retrace.py
+++ b/retrace.py
@@ -26,9 +26,11 @@
 
 """Generic retracing code generator."""
 
-import stdapi
-import glapi
-from codegen import *
+
+import sys
+
+import specs.stdapi as stdapi
+import specs.glapi as glapi
 
 
 class ConstRemover(stdapi.Rebuilder):
@@ -37,10 +39,7 @@ class ConstRemover(stdapi.Rebuilder):
         return const.type
 
     def visit_opaque(self, opaque):
-        expr = opaque.expr
-        if expr.startswith('const '):
-            expr = expr[6:]
-        return stdapi.Opaque(expr)
+        return opaque
 
 
 def handle_entry(handle, value):
@@ -54,10 +53,7 @@ def handle_entry(handle, value):
 class ValueExtractor(stdapi.Visitor):
 
     def visit_literal(self, literal, lvalue, rvalue):
-        if literal.format == 'Bool':
-            print '    %s = static_cast<bool>(%s);' % (lvalue, rvalue)
-        else:
-            print '    %s = %s;' % (lvalue, rvalue)
+        print '    %s = (%s).to%s();' % (lvalue, rvalue, literal.kind)
 
     def visit_const(self, const, lvalue, rvalue):
         self.visit(const.type, lvalue, rvalue)
@@ -66,20 +62,20 @@ class ValueExtractor(stdapi.Visitor):
         self.visit(alias.type, lvalue, rvalue)
     
     def visit_enum(self, enum, lvalue, rvalue):
-        print '    %s = %s;' % (lvalue, rvalue)
+        print '    %s = (%s).toSInt();' % (lvalue, rvalue)
 
     def visit_bitmask(self, bitmask, lvalue, rvalue):
         self.visit(bitmask.type, lvalue, rvalue)
 
     def visit_array(self, array, lvalue, rvalue):
-        print '    const Trace::Array *__a%s = dynamic_cast<const Trace::Array *>(&%s);' % (array.id, rvalue)
-        print '    if (__a%s) {' % (array.id)
-        length = '__a%s->values.size()' % array.id
+        print '    const trace::Array *__a%s = dynamic_cast<const trace::Array *>(&%s);' % (array.tag, rvalue)
+        print '    if (__a%s) {' % (array.tag)
+        length = '__a%s->values.size()' % array.tag
         print '        %s = new %s[%s];' % (lvalue, array.type, length)
-        index = '__j' + array.id
-        print '        for(size_t {i} = 0; {i} < {length}; ++{i}) {{'.format(i = index, length = length)
+        index = '__j' + array.tag
+        print '        for (size_t {i} = 0; {i} < {length}; ++{i}) {{'.format(i = index, length = length)
         try:
-            self.visit(array.type, '%s[%s]' % (lvalue, index), '*__a%s->values[%s]' % (array.id, index))
+            self.visit(array.type, '%s[%s]' % (lvalue, index), '*__a%s->values[%s]' % (array.tag, index))
         finally:
             print '        }'
             print '    } else {'
@@ -87,11 +83,11 @@ class ValueExtractor(stdapi.Visitor):
             print '    }'
     
     def visit_pointer(self, pointer, lvalue, rvalue):
-        print '    const Trace::Array *__a%s = dynamic_cast<const Trace::Array *>(&%s);' % (pointer.id, rvalue)
-        print '    if (__a%s) {' % (pointer.id)
+        print '    const trace::Array *__a%s = dynamic_cast<const trace::Array *>(&%s);' % (pointer.tag, rvalue)
+        print '    if (__a%s) {' % (pointer.tag)
         print '        %s = new %s;' % (lvalue, pointer.type)
         try:
-            self.visit(pointer.type, '%s[0]' % (lvalue,), '*__a%s->values[0]' % (pointer.id,))
+            self.visit(pointer.type, '%s[0]' % (lvalue,), '*__a%s->values[0]' % (pointer.tag,))
         finally:
             print '    } else {'
             print '        %s = NULL;' % lvalue
@@ -100,15 +96,16 @@ class ValueExtractor(stdapi.Visitor):
     def visit_handle(self, handle, lvalue, rvalue):
         OpaqueValueExtractor().visit(handle.type, lvalue, rvalue);
         new_lvalue = handle_entry(handle, lvalue)
-        print '    if (retrace::verbosity >= 2)'
+        print '    if (retrace::verbosity >= 2) {'
         print '        std::cout << "%s " << size_t(%s) << " <- " << size_t(%s) << "\\n";' % (handle.name, lvalue, new_lvalue)
+        print '    }'
         print '    %s = %s;' % (lvalue, new_lvalue)
     
     def visit_blob(self, blob, lvalue, rvalue):
-        print '    %s = static_cast<%s>((%s).blob());' % (lvalue, blob, rvalue)
+        print '    %s = static_cast<%s>((%s).toPointer());' % (lvalue, blob, rvalue)
     
     def visit_string(self, string, lvalue, rvalue):
-        print '    %s = (%s)((%s).string());' % (lvalue, string.expr, rvalue)
+        print '    %s = (%s)((%s).toString());' % (lvalue, string.expr, rvalue)
 
 
 class OpaqueValueExtractor(ValueExtractor):
@@ -118,7 +115,7 @@ class OpaqueValueExtractor(ValueExtractor):
     in the context of handles.'''
 
     def visit_opaque(self, opaque, lvalue, rvalue):
-        print '    %s = static_cast<%s>((%s).blob());' % (lvalue, opaque, rvalue)
+        print '    %s = static_cast<%s>(retrace::toPointer(%s));' % (lvalue, opaque, rvalue)
 
 
 class ValueWrapper(stdapi.Visitor):
@@ -136,22 +133,22 @@ class ValueWrapper(stdapi.Visitor):
         pass
 
     def visit_array(self, array, lvalue, rvalue):
-        print '    const Trace::Array *__a%s = dynamic_cast<const Trace::Array *>(&%s);' % (array.id, rvalue)
-        print '    if (__a%s) {' % (array.id)
-        length = '__a%s->values.size()' % array.id
-        index = '__j' + array.id
-        print '        for(size_t {i} = 0; {i} < {length}; ++{i}) {{'.format(i = index, length = length)
+        print '    const trace::Array *__a%s = dynamic_cast<const trace::Array *>(&%s);' % (array.tag, rvalue)
+        print '    if (__a%s) {' % (array.tag)
+        length = '__a%s->values.size()' % array.tag
+        index = '__j' + array.tag
+        print '        for (size_t {i} = 0; {i} < {length}; ++{i}) {{'.format(i = index, length = length)
         try:
-            self.visit(array.type, '%s[%s]' % (lvalue, index), '*__a%s->values[%s]' % (array.id, index))
+            self.visit(array.type, '%s[%s]' % (lvalue, index), '*__a%s->values[%s]' % (array.tag, index))
         finally:
             print '        }'
             print '    }'
     
     def visit_pointer(self, pointer, lvalue, rvalue):
-        print '    const Trace::Array *__a%s = dynamic_cast<const Trace::Array *>(&%s);' % (pointer.id, rvalue)
-        print '    if (__a%s) {' % (pointer.id)
+        print '    const trace::Array *__a%s = dynamic_cast<const trace::Array *>(&%s);' % (pointer.tag, rvalue)
+        print '    if (__a%s) {' % (pointer.tag)
         try:
-            self.visit(pointer.type, '%s[0]' % (lvalue,), '*__a%s->values[0]' % (pointer.id,))
+            self.visit(pointer.type, '%s[0]' % (lvalue,), '*__a%s->values[0]' % (pointer.tag,))
         finally:
             print '    }'
     
@@ -162,17 +159,19 @@ class ValueWrapper(stdapi.Visitor):
             rvalue = "__orig_result"
             entry = handle_entry(handle, rvalue) 
             print "    %s = %s;" % (entry, lvalue)
-            print '    if (retrace::verbosity >= 2)'
+            print '    if (retrace::verbosity >= 2) {'
             print '        std::cout << "{handle.name} " << {rvalue} << " -> " << {lvalue} << "\\n";'.format(**locals())
+            print '    }'
         else:
-            i = '__h' + handle.id
+            i = '__h' + handle.tag
             lvalue = "%s + %s" % (lvalue, i)
             rvalue = "__orig_result + %s" % (i,)
             entry = handle_entry(handle, rvalue) 
-            print '    for({handle.type} {i} = 0; {i} < {handle.range}; ++{i}) {{'.format(**locals())
+            print '    for ({handle.type} {i} = 0; {i} < {handle.range}; ++{i}) {{'.format(**locals())
             print '        {entry} = {lvalue};'.format(**locals())
-            print '        if (retrace::verbosity >= 2)'
+            print '        if (retrace::verbosity >= 2) {'
             print '            std::cout << "{handle.name} " << ({rvalue}) << " -> " << ({lvalue}) << "\\n";'.format(**locals())
+            print '        }'
             print '    }'
     
     def visit_blob(self, blob, lvalue, rvalue):
@@ -185,12 +184,16 @@ class ValueWrapper(stdapi.Visitor):
 class Retracer:
 
     def retrace_function(self, function):
-        print 'static void retrace_%s(Trace::Call &call) {' % function.name
+        print 'static void retrace_%s(trace::Call &call) {' % function.name
         self.retrace_function_body(function)
         print '}'
         print
 
     def retrace_function_body(self, function):
+        if not function.sideeffects:
+            print '    (void)call;'
+            return
+
         success = True
         for arg in function.args:
             arg_type = ConstRemover().visit(arg.type)
@@ -204,7 +207,9 @@ class Retracer:
                 success = False
                 print '    %s = 0; // FIXME' % arg.name
         if not success:
+            print '    if (1) {'
             self.fail_function(function)
+            print '    }'
         self.call_function(function)
         for arg in function.args:
             if arg.output:
@@ -214,64 +219,55 @@ class Retracer:
                 try:
                     ValueWrapper().visit(arg_type, lvalue, rvalue)
                 except NotImplementedError:
-                    print '   // FIXME: %s' % arg.name
+                    print '    // XXX: %s' % arg.name
         if function.type is not stdapi.Void:
             rvalue = '*call.ret'
             lvalue = '__result'
             try:
                 ValueWrapper().visit(function.type, lvalue, rvalue)
             except NotImplementedError:
-                print '   // FIXME: result'
+                print '    // XXX: result'
+        if not success:
+            if function.name[-1].islower():
+                sys.stderr.write('warning: unsupported %s call\n' % function.name)
 
     def fail_function(self, function):
-        print '    if (retrace::verbosity >= 0)'
-        print '        std::cerr << "warning: unsupported call %s\\n";' % function.name
+        print '    if (retrace::verbosity >= 0) {'
+        print '        retrace::unsupported(call);'
+        print '    }'
         print '    return;'
 
     def extract_arg(self, function, arg, arg_type, lvalue, rvalue):
         ValueExtractor().visit(arg_type, lvalue, rvalue)
+    
+    def extract_opaque_arg(self, function, arg, arg_type, lvalue, rvalue):
+        OpaqueValueExtractor().visit(arg_type, lvalue, rvalue)
 
     def call_function(self, function):
         arg_names = ", ".join([arg.name for arg in function.args])
         if function.type is not stdapi.Void:
             print '    %s __result;' % (function.type)
             print '    __result = %s(%s);' % (function.name, arg_names)
+            print '    (void)__result;'
         else:
             print '    %s(%s);' % (function.name, arg_names)
 
     def filter_function(self, function):
         return True
 
+    table_name = 'retrace::callbacks'
+
     def retrace_functions(self, functions):
         functions = filter(self.filter_function, functions)
 
         for function in functions:
-            if function.sideeffects:
-                self.retrace_function(function)
-
-        print 'bool retrace::retrace_call(Trace::Call &call) {'
-        print '    const char *name = call.name().c_str();'
-        print
-        print '    if (retrace::verbosity >= 1) {'
-        print '        std::cout << call;'
-        print '        std::cout.flush();'
-        print '    };'
-        print
-
-        func_dict = dict([(function.name, function) for function in functions])
+            self.retrace_function(function)
 
-        def handle_case(function_name):
-            function = func_dict[function_name]
-            if function.sideeffects:
-                print '        retrace_%s(call);' % function.name
-            print '        return true;'
-    
-        string_switch('name', func_dict.keys(), handle_case)
-
-        print '    if (retrace::verbosity >= 0)'
-        print '        std::cerr << "warning: unknown call " << call.name() << "\\n";'
-        print '    return false;'
-        print '}'
+        print 'const retrace::Entry %s[] = {' % self.table_name
+        for function in functions:
+            print '    {"%s", &retrace_%s},' % (function.name, function.name)
+        print '    {NULL, NULL}'
+        print '};'
         print