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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

def RemoveAnnotation(line):
    if line.find(":") >= 0:
        annotation = line[line.find(":"): line.find(" ", line.find(":"))]
        return line.replace(annotation, "*")
    else:
        return line
        
if __name__ == "__main__":
    externs = []
    lines = open("../../../frameworks/base/opengl/libs/GLES2_dbg/gl2_api_annotated.in").readlines()
    output = open("src/com/android/glesv2debugger/MessageFormatter.java", "w")
    
    i = 0
    output.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_MessageFormatter_java.py"

package com.android.glesv2debugger;

import java.nio.ByteBuffer;

public class MessageFormatter {

    static String formatFloats(int count, final ByteBuffer data) {
        if (data.remaining() == 0)
            return "{}";
        data.order(SampleView.targetByteOrder);
        String ret = "{";
        for (int i = 0; i < count; i++) {
            ret += Float.intBitsToFloat(data.getInt());
            if (i < count - 1)
                ret += ", ";
        }
        return ret + "}";
    }

    static String formatInts(int count, final ByteBuffer data) {
        if (data.remaining() == 0)
            return "{}";
        data.order(SampleView.targetByteOrder);
        String ret = "{";
        for (int i = 0; i < count; i++) {
            ret += data.getInt();
            if (i < count - 1)
                ret += ", ";
        }
        return ret + "}";
    }

    static String formatUInts(int count, final ByteBuffer data) {
        if (data.remaining() == 0)
            return "{}";
        data.order(SampleView.targetByteOrder);
        String ret = "{";
        for (int i = 0; i < count; i++) {
            long bits = data.getInt() & 0xffffffff;
            ret += bits;
            if (i < count - 1)
                ret += ", ";
        }
        return ret + "}";
    }

    static String formatMatrix(int columns, int count, final ByteBuffer data) {
        if (data.remaining() == 0)
            return "{}";
        data.order(SampleView.targetByteOrder);
        String ret = "{";
        for (int i = 0; i < count; i++) {
            ret += Float.intBitsToFloat(data.getInt());
            if (i < count - 1)
                ret += ", ";
            if (i % columns == columns - 1)
                ret += "\\n                                             ";
        }
        return ret + "}";
    }

    public static String format(final DebuggerMessage.Message msg,
                                final boolean code) {
        String str;
        switch (msg.getFunction()) {
""")
    #in source code these turn into program_%d etc.
    nameReplaces = ["program", "shader", "texture", "buffer", "framebuffer", "renderbuffer"]
    for line in lines:
        if line.find("API_ENTRY(") >= 0: # a function prototype
            returnType = line[0: line.find(" API_ENTRY(")].replace("const ", "")
            functionName = line[line.find("(") + 1: line.find(")")] #extract GL function name
            parameterList = line[line.find(")(") + 2: line.find(") {")]

            parameters = parameterList.split(',')
            paramIndex = 0

            formatString = "%s"
            formatArgs = ""
            if returnType != "void":
                if returnType == "GLenum":
                    formatArgs += '\
                    (code ? "%s" : GLEnum.valueOf(msg.getRet()))\n' % (functionName)
                elif returnType.find("*") >= 0:
                    formatArgs += '\
                    (code ? "%s" : "0x" + Integer.toHexString(msg.getRet()))\n' % (functionName)
                else:
                    formatArgs += '\
                    (code ? "%s" : msg.getRet())\n' % (functionName)
            else:
                formatArgs += '\
                    (code ? "%s" : "void")\n' % (functionName)

            formatString += "("

            if parameterList == "void":
                parameters = []
            inout = ""

            paramNames = []

            for parameter in parameters:
                parameter = parameter.replace("const","")
                parameter = parameter.strip()
                paramType = parameter.split(' ')[0]
                paramName = parameter.split(' ')[1]
                annotation = ""

                formatString += "%s%s"
                formatArgs += '\
                    , (code ? "/*%s*/ " : "%s=")\n' % (paramName, paramName)
                if parameter.find(":") >= 0:
                    assert inout == "" # only one parameter should be annotated
                    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 = annotation
                    else:
                        count = int(annotation)
                    dataFormatter = ""
                    if paramType == "GLfloat":
                        dataFormatter = "formatFloats"
                    elif paramType == "GLint":
                        dataFormatter = "formatInts"
                    elif paramType == "GLuint":
                        dataFormatter = "formatUInts"
                    elif annotation == "GLstring":
                        assert paramType == "GLchar"
                    elif paramType.find("void") >= 0:
                        assert 1
                    else:
                        assert 0
                    if functionName.find("Matrix") >= 0:
                        columns = int(functionName[functionName.find("fv") - 1: functionName.find("fv")])
                        assert columns * columns == count
                        assert countArg != ""
                        assert paramType == "GLfloat"
                        formatArgs += '\
                    , (code ? "(GLfloat [])" : "") + formatMatrix(%d, %d * msg.getArg%d(), msg.getData().asReadOnlyByteBuffer())' % (
                        columns, count, paramNames.index(countArg))
                    elif annotation == "GLstring":
                        formatArgs += '\
                    , (code ? "\\"" : "") + msg.getData().toStringUtf8() + (code ? "\\"" : "")'
                    elif paramType.find("void") >= 0:
                        formatArgs += '\
                    , (code ? "arg%d" : "0x" + Integer.toHexString(msg.getArg%d()))' % (paramIndex, paramIndex)
                    elif countArg == "":
                        formatArgs += '\
                    , (code ? "(%s [])" : "") + %s(%d, msg.getData().asReadOnlyByteBuffer())' % (
                        paramType, dataFormatter, count)
                    else:
                        formatArgs += '\
                    , (code ? "(%s [])" : "") +  %s(%d * msg.getArg%d(), msg.getData().asReadOnlyByteBuffer())' % (
                        paramType, dataFormatter, count, paramNames.index(countArg))
                else:
                    if paramType == "GLfloat" or paramType == "GLclampf":
                        formatArgs += "\
                    , Float.intBitsToFloat(msg.getArg%d())" % (paramIndex)
                    elif paramType == "GLenum": 
                        formatArgs += "\
                    , GLEnum.valueOf(msg.getArg%d())" % (paramIndex)
                    elif paramType.find("*") >= 0:
                        formatArgs += '\
                    , (code ? "arg%d" : "0x" + Integer.toHexString(msg.getArg%d()))' % (paramIndex, paramIndex)
                    elif paramName in nameReplaces:
                        formatArgs += '\
                    , (code ? "%s_" : "") + msg.getArg%d()' % (paramName, paramIndex)
                    else:
                        formatArgs += "\
                    , msg.getArg%d()" % (paramIndex)
                if paramIndex < len(parameters) - 1:
                    formatString += ", "
                    formatArgs += '\n'
                paramNames.append(paramName)
                paramIndex += 1  

                
            formatString += ")"
             
            output.write("            case %s:\n" % (functionName))
            if line.find("*") >= 0 and (line.find("*") < line.find(":") or line.find("*") > line.rfind(":")):
                sys.stderr.write(line)
                output.write("                // FIXME: this function uses pointers, debugger may send data in msg.data\n")
            output.write('\
                str = String.format("%s",\n%s);\n\
                break;\n' % (formatString, formatArgs))


    output.write("""            default:
                str = msg.toString();
        }
        return str;
    }
}""")

'''    print """/*
package GLESv2Debugger;

public class MessageFormatterCustom {

    public static String format(final DebuggerMessage.Message msg) {
        String str;
        switch (msg.getFunction()) {"""

    for extern in externs:
        print "        case %s" % (extern)
        print "            // TODO:"

print """        default:
            str = msg.toString();
        }
        return str;
    }
}
*/"""    '''