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#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright 2011, The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import os
import sys
externs = []
def generate_caller(lines):
i = 0
output = ""
skipFunctions = []
for line in lines:
if line.find("API_ENTRY(") >= 0: # a function prototype
returnType = line[0: line.find(" API_ENTRY(")]
functionName = line[line.find("(") + 1: line.find(")")] #extract GL function name
parameterList = line[line.find(")(") + 2: line.find(") {")]
#if line.find("*") >= 0:
# extern = "%s Debug_%s(%s);" % (returnType, functionName, parameterList)
# externs.append(extern)
# continue
if functionName in skipFunctions:
sys.stderr.write("!\n! skipping function '%s'\n!\n" % functionName)
continue
output += "\
case glesv2debugger::Message_Function_%s:\n" % functionName
parameters = parameterList.split(',')
paramIndex = 0
if line.find("*") >= 0 and (line.find("*") < line.find(":") or line.find("*") > line.rfind(":")): # unannotated pointer
# add function to list of functions that should be hand written, but generate code anyways
externs.append(functionName)
output += "\
ret = GenerateCall_%s(dbg, cmd, msg, prevRet);\n\
break;\n" % (functionName)
continue
elif line.find(":out") >= 0 or line.find(":inout") >= 0:
externs.append(functionName)
output += "\
ret = GenerateCall_%s(dbg, cmd, msg, prevRet);\n\
break; // annotated output pointers\n" % (functionName)
continue
if parameterList == "void":
parameters = []
arguments = ""
paramNames = []
inout = ""
getData = ""
callerMembers = ""
for parameter in parameters:
const = parameter.find("const")
parameter = parameter.replace("const", "")
parameter = parameter.strip()
paramType = parameter.split(' ')[0]
paramName = parameter.split(' ')[1]
annotation = ""
if parameter.find(":") >= 0: # has annotation
assert inout == "" # only one parameter should be annotated
sys.stderr.write("%s is annotated: %s \n" % (functionName, paramType))
inout = paramType.split(":")[2]
annotation = paramType.split(":")[1]
paramType = paramType.split(":")[0]
count = 1
countArg = ""
if annotation.find("*") >= 0: # [1,n] * param
count = int(annotation.split("*")[0])
countArg = annotation.split("*")[1]
assert countArg in paramNames
elif annotation in paramNames:
count = 1
countArg = annotation
elif annotation == "GLstring":
annotation = "strlen(%s)" % (paramName)
else:
count = int(annotation)
paramType += "*"
arguments += "reinterpret_cast<%s>(const_cast<char *>(cmd.data().data()))" % (paramType)
elif paramType == "GLboolean":
arguments += "GLboolean(cmd.arg%d())" % (paramIndex)
else:
arguments += "static_cast<%s>(cmd.arg%d())" % (paramType, paramIndex)
if paramIndex < len(parameters) - 1:
arguments += ", "
if len(arguments) - arguments.rfind("\n") > 60 :
arguments += "\n\
"
if const >= 0:
paramType = "const " + paramType
paramNames.append(paramName)
paramIndex += 1
if returnType == "void":
output += "\
dbg->hooks->gl.%s(\n\
%s);\n\
break;\n" % (functionName, arguments)
else:
output += "\
msg.set_ret(static_cast<int>(dbg->hooks->gl.%s(\n\
%s)));\n\
if (cmd.has_ret())\n\
ret = reinterpret_cast<int *>(msg.ret());\n\
break;\n" % (functionName, arguments)
return output
if __name__ == "__main__":
lines = open("gl2_api_annotated.in").readlines()
output = generate_caller(lines)
out = open("src/caller.cpp", "w")
out.write("""\
/*
** Copyright 2011, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
// auto generated by generate_caller_cpp.py
// implement declarations in caller.h
#include "header.h"
namespace android {
""")
for extern in externs:
out.write("\
static const int * GenerateCall_%s(DbgContext * const dbg,\n\
const glesv2debugger::Message & cmd, glesv2debugger::Message & msg, const int * const prevRet);\n" % (extern))
print("\
static const int * GenerateCall_%s(DbgContext * const dbg,\n\
const glesv2debugger::Message & cmd,\n\
glesv2debugger::Message & msg, const int * const prevRet)\n\
{ assert(0); return prevRet; }\n" % (extern))
out.write(
"""
#include "caller.h"
const int * GenerateCall(DbgContext * const dbg, const glesv2debugger::Message & cmd,
glesv2debugger::Message & msg, const int * const prevRet)
{
LOGD("GenerateCall function=%u", cmd.function());
const int * ret = prevRet; // only some functions have return value
nsecs_t c0 = systemTime(timeMode);
switch (cmd.function()) {""")
out.write(output)
out.write("""\
default:
assert(0);
}
msg.set_time((systemTime(timeMode) - c0) * 1e-6f);
msg.set_context_id(reinterpret_cast<int>(dbg));
msg.set_function(cmd.function());
msg.set_type(glesv2debugger::Message_Type_AfterCall);
return ret;
}
}; // name space android {
""")
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