1 using System;
  2 using System.Collections;
  3 using System.IO;
  4 
  5 const char* Version()
  6 {
  7     return "4.0.0";
  8 }
  9 
 10 void PrintHelp()
 11 {
 12     Console.Out() << 
 13         "Cmajor System X Intermediate Code Compiler version " << Version() << endl() << 
 14         "Usage: cmsxic [options] { <file.i> }" << endl() << 
 15         "Compiles given System X intermediate code files (*.i) to System X assembly files (*.s)" << endl() << 
 16         "Options:" << endl() << 
 17         "--help (-h)" << endl() << 
 18         "   Print help" << endl() << 
 19         "--verbose (-v)" << endl() << 
 20         "   Be verbose" << endl() << 
 21         "--debug (-d)" << endl() << 
 22         "   Print debugging messages to stdout" << endl() << 
 23         "--stages (-s)" << endl() << 
 24         "   Generate intermediate stage files (*.iN) N = 0, 1, 2, ..." << endl() << 
 25         "   and combined assembly code file (*.is)" << endl() << 
 26         "--optimization-level=N (-O=N)" << endl() << 
 27         "   Set optimization level to N=0-3." << endl() << 
 28         "   Default is 0." << endl() << 
 29         "--local-regs=N (-l=N)" << endl() << 
 30         "   Set number of local registers to N, where N must be >= 128 and <= 255." << endl() << 
 31         endl();
 32 }
 33 
 34 int main(int argc, const char** argv)
 35 {
 36     try
 37     {
 38         List<string> intermediateCodeFileNames;
 39         for (int i = 1; i < argc; ++i;)
 40         {
 41             string arg = argv[i];
 42             if (arg.StartsWith("--"))
 43             {
 44                 if (arg == "--help")
 45                 {
 46                     PrintHelp();
 47                     return 1;
 48                 }
 49                 else if (arg == "--verbose")
 50                 {
 51                     cmsx.intermediate.Flags.Set(cmsx.intermediate.Flag.verbose);
 52                 }
 53                 else if (arg == "--debug")
 54                 {
 55                     cmsx.intermediate.Flags.Set(cmsx.intermediate.Flag.debug);
 56                 }
 57                 else if (arg == "--stages")
 58                 {
 59                     cmsx.intermediate.Flags.Set(cmsx.intermediate.Flag.stages);
 60                 }
 61                 else if (arg.StartsWith("--optimization-level="))
 62                 {
 63                     int level = ParseInt(arg.Substring(21));
 64                     if (level < 0 || level > 3)
 65                     {
 66                         throw Exception("invalid optimization level (must be 0-3)");
 67                     }
 68                     cmsx.intermediate.Flags.SetOptimizationLevel(level);
 69                 }
 70                 else if (arg.StartsWith("--local-regs="))
 71                 {
 72                     byte numLocalRegs = ParseByte(arg.Substring(13));
 73                     cmsx.intermediate.Flags.SetNumLocalRegs(numLocalRegs);
 74                 }
 75                 else
 76                 {
 77                     throw Exception("unknown option '" + arg + "'");
 78                 }
 79             }
 80             else if (arg.StartsWith("-"))
 81             {
 82                 if (arg.StartsWith("-O="))
 83                 {
 84                     int level = ParseInt(arg.Substring(3));
 85                     if (level < 0 || level > 3)
 86                     {
 87                         throw Exception("invalid optimization level (must be 0-3)");
 88                     }
 89                     cmsx.intermediate.Flags.SetOptimizationLevel(level);
 90                 }
 91                 else if (arg.StartsWith("-l="))
 92                 {
 93                     byte numLocalRegs = ParseByte(arg.Substring(3));
 94                     cmsx.intermediate.Flags.SetNumLocalRegs(numLocalRegs);
 95                 }
 96                 else
 97                 {
 98                     string options = arg.Substring(1);
 99                     if (options.IsEmpty())
100                     {
101                         throw Exception("unknown option '" + arg + "'");
102                     }
103                     else
104                     {
105                         for (char o : options)
106                         {
107                             if (o == 'h')
108                             {
109                                 PrintHelp();
110                                 return 1;
111                             }
112                             else if (o == 'v')
113                             {
114                                 cmsx.intermediate.Flags.Set(cmsx.intermediate.Flag.verbose);
115                             }
116                             else if (o == 'd')
117                             {
118                                 cmsx.intermediate.Flags.Set(cmsx.intermediate.Flag.debug);
119                             }
120                             else if (o == 's')
121                             {
122                                 cmsx.intermediate.Flags.Set(cmsx.intermediate.Flag.stages);
123                             }
124                             else
125                             {
126                                 throw Exception("unknown option '-" + string(o) + "'");
127                             }
128                         }
129                     }
130                 }
131             }
132             else
133             {
134                 intermediateCodeFileNames.Add(GetFullPath(arg));
135             }
136         }
137         if (intermediateCodeFileNames.IsEmpty())
138         {
139             PrintHelp();
140             throw Exception("no intermediate code files given");
141         }
142         for (const string& intermediateCodeFileName : intermediateCodeFileNames)
143         {
144             if (cmsx.intermediate.Flags.Get(cmsx.intermediate.Flag.verbose))
145             {
146                 Console.Out() << "> " << intermediateCodeFileName << endl();
147             }
148             cmsx.intermediate.Compile(intermediateCodeFileName);
149         }
150     }
151     catch (const Exception& ex)
152     {
153         Console.Error() << ex.Message() << endl();
154         return 1;
155     }
156     return 0;
157 }