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      1 /*
      2 * Copyright (C) 2011 The Android Open Source Project
      3 *
      4 * Licensed under the Apache License, Version 2.0 (the "License");
      5 * you may not use this file except in compliance with the License.
      6 * You may obtain a copy of the License at
      7 *
      8 * http://www.apache.org/licenses/LICENSE-2.0
      9 *
     10 * Unless required by applicable law or agreed to in writing, software
     11 * distributed under the License is distributed on an "AS IS" BASIS,
     12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13 * See the License for the specific language governing permissions and
     14 * limitations under the License.
     15 */
     16 #include <stdio.h>
     17 #include <stdlib.h>
     18 #include "errors.h"
     19 #include "EntryPoint.h"
     20 #include "strUtils.h"
     21 #include "ApiGen.h"
     22 #include "TypeFactory.h"
     23 
     24 const std::string SPEC_EXTENSION = std::string(".in");
     25 const std::string ATTRIB_EXTENSION = std::string(".attrib");
     26 const std::string TYPES_EXTENTION = std::string(".types");
     27 
     28 
     29 void usage(const char *filename)
     30 {
     31     fprintf(stderr, "Usage: %s [options] <base name>\n", filename);
     32     fprintf(stderr, "\t-h: This message\n");
     33     fprintf(stderr, "\t-E <dir>: generate encoder into dir\n");
     34     fprintf(stderr, "\t-D <dir>: generate decoder into dir\n");
     35     fprintf(stderr, "\t-i: input dir, local directory by default\n");
     36     fprintf(stderr, "\t-T : generate attribute template into the input directory\n\t\tno other files are generated\n");
     37     fprintf(stderr, "\t-W : generate wrapper into dir\n");
     38 }
     39 
     40 int main(int argc, char *argv[])
     41 {
     42     std::string encoderDir = "";
     43     std::string decoderDir = "";
     44     std::string wrapperDir = "";
     45     std::string inDir = ".";
     46     bool generateAttributesTemplate = false;
     47 
     48     int c;
     49     while((c = getopt(argc, argv, "TE:D:i:hW:")) != -1) {
     50         switch(c) {
     51         case 'W':
     52             wrapperDir = std::string(optarg);
     53             break;
     54         case 'T':
     55             generateAttributesTemplate = true;
     56             break;
     57         case 'h':
     58             usage(argv[0]);
     59             exit(0);
     60             break;
     61         case 'E':
     62             encoderDir = std::string(optarg);
     63             break;
     64         case 'D':
     65             decoderDir = std::string(optarg);
     66             break;
     67         case 'i':
     68             inDir = std::string(optarg);
     69             break;
     70         case ':':
     71             fprintf(stderr, "Missing argument !!\n");
     72             // fall through
     73         default:
     74             usage(argv[0]);
     75             exit(0);
     76         }
     77     }
     78 
     79     if (optind >= argc) {
     80         fprintf(stderr, "Usage: %s [options] <base name> \n", argv[0]);
     81         return BAD_USAGE;
     82     }
     83 
     84     if (encoderDir.size() == 0 &&
     85         decoderDir.size() == 0 &&
     86         generateAttributesTemplate == false &&
     87         wrapperDir.size() == 0) {
     88         fprintf(stderr, "No output specified - aborting\n");
     89         return BAD_USAGE;
     90     }
     91 
     92     std::string baseName = std::string(argv[optind]);
     93     ApiGen apiEntries(baseName);
     94 
     95     // init types;
     96     std::string typesFilename = inDir + "/" + baseName + TYPES_EXTENTION;
     97 
     98     if (TypeFactory::instance()->initFromFile(typesFilename) < 0) {
     99         fprintf(stderr, "missing or error reading types file: %s...ignored\n", typesFilename.c_str());
    100     }
    101 
    102     std::string filename = inDir + "/" + baseName + SPEC_EXTENSION;
    103     if (apiEntries.readSpec(filename) < 0) {
    104         perror(filename.c_str());
    105         return BAD_SPEC_FILE;
    106     }
    107 
    108 
    109     if (generateAttributesTemplate) {
    110         apiEntries.genAttributesTemplate(inDir + "/" + baseName + ATTRIB_EXTENSION);
    111         exit(0);
    112     }
    113 
    114     std::string attribFileName = inDir + "/" + baseName + ATTRIB_EXTENSION;
    115     if (apiEntries.readAttributes(attribFileName) < 0) {
    116         perror(attribFileName.c_str());
    117         fprintf(stderr, "failed to parse attributes\n");
    118         exit(1);
    119     }
    120 
    121     if (encoderDir.size() != 0) {
    122 
    123         apiEntries.genOpcodes(encoderDir + "/" + baseName + "_opcodes.h");
    124         apiEntries.genContext(encoderDir + "/" + baseName + "_client_context.h", ApiGen::CLIENT_SIDE);
    125         apiEntries.genContextImpl(encoderDir + "/" + baseName + "_client_context.cpp", ApiGen::CLIENT_SIDE);
    126 
    127         apiEntries.genProcTypes(encoderDir + "/" + baseName + "_client_proc.h", ApiGen::CLIENT_SIDE);
    128         apiEntries.genFuncTable(encoderDir + "/" + baseName + "_ftable.h", ApiGen::CLIENT_SIDE);
    129 
    130         apiEntries.genEntryPoints(encoderDir + "/" + baseName + "_entry.cpp", ApiGen::CLIENT_SIDE);
    131         apiEntries.genEncoderHeader(encoderDir + "/" + baseName + "_enc.h");
    132         apiEntries.genEncoderImpl(encoderDir + "/" + baseName + "_enc.cpp");
    133     }
    134 
    135     if (decoderDir.size() != 0) {
    136         apiEntries.genOpcodes(decoderDir + "/" + baseName + "_opcodes.h");
    137         apiEntries.genProcTypes(decoderDir + "/" + baseName + "_server_proc.h", ApiGen::SERVER_SIDE);
    138         apiEntries.genContext(decoderDir + "/" + baseName + "_server_context.h", ApiGen::SERVER_SIDE);
    139         apiEntries.genContextImpl(decoderDir + "/" + baseName + "_server_context.cpp", ApiGen::SERVER_SIDE);
    140         apiEntries.genDecoderHeader(decoderDir + "/" + baseName + "_dec.h");
    141         apiEntries.genDecoderImpl(decoderDir + "/" + baseName + "_dec.cpp");
    142     }
    143 
    144     if (wrapperDir.size() != 0) {
    145         apiEntries.genProcTypes(wrapperDir + "/" + baseName + "_wrapper_proc.h", ApiGen::WRAPPER_SIDE);
    146         apiEntries.genContext(wrapperDir + "/" + baseName + "_wrapper_context.h", ApiGen::WRAPPER_SIDE);
    147         apiEntries.genContextImpl(wrapperDir + "/" + baseName + "_wrapper_context.cpp", ApiGen::WRAPPER_SIDE);
    148         apiEntries.genEntryPoints(wrapperDir + "/" + baseName + "_wrapper_entry.cpp", ApiGen::WRAPPER_SIDE);
    149     }
    150 
    151 #ifdef DEBUG_DUMP
    152     int withPointers = 0;
    153     printf("%d functions found\n", int(apiEntries.size()));
    154     for (int i = 0; i < apiEntries.size(); i++) {
    155         if (apiEntries[i].hasPointers()) {
    156             withPointers++;
    157             apiEntries[i].print();
    158         }
    159     }
    160     fprintf(stdout, "%d entries has poitners\n", withPointers);
    161 #endif
    162 
    163 }
    164 
    165