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25 package org.javacc.jjdoc;
26
27 import org.javacc.parser.*;
28
29 public class JJDocMain {
30
31 static void help_message() {
32 java.io.PrintWriter  ostr = new java.io.PrintWriter (new java.io.OutputStreamWriter (System.out));
33
34 ostr.println(" jjdoc option-settings - (to read from standard input)");
35 ostr.println("OR");
36 ostr.println(" jjdoc option-settings inputfile (to read from a file)");
37 ostr.println("");
38 ostr.println("WHERE");
39 ostr.println(" \"option-settings\" is a sequence of settings separated by spaces.");
40 ostr.println("");
41
42 ostr.println("Each option setting must be of one of the following forms:");
43 ostr.println("");
44 ostr.println(" -optionname=value (e.g., -TEXT=false)");
45 ostr.println(" -optionname:value (e.g., -TEXT:false)");
46 ostr.println(" -optionname (equivalent to -optionname=true. e.g., -TEXT)");
47 ostr.println(" -NOoptionname (equivalent to -optionname=false. e.g., -NOTEXT)");
48 ostr.println("");
49 ostr.println("Option settings are not case-sensitive, so one can say \"-nOtExT\" instead");
50 ostr.println("of \"-NOTEXT\". Option values must be appropriate for the corresponding");
51 ostr.println("option, and must be either an integer, boolean or string value.");
52 ostr.println("");
53 ostr.println("The string valued options are:");
54 ostr.println("");
55 ostr.println(" OUTPUT_FILE");
56 ostr.println("");
57 ostr.println("The boolean valued options are:");
58 ostr.println("");
59 ostr.println(" ONE_TABLE (default true)");
60 ostr.println(" TEXT (default false)");
61 ostr.println("");
62
63 ostr.println("");
64 ostr.println("EXAMPLES:");
65 ostr.println(" jjdoc -ONE_TABLE=false mygrammar.jj");
66 ostr.println(" jjdoc - < mygrammar.jj");
67 ostr.println("");
68 ostr.println("ABOUT JJDoc:");
69 ostr.println(" JJDoc generates JavaDoc documentation from JavaCC grammar files.");
70 ostr.println("");
71 ostr.println(" For more information, ???");
72 }
73
74
77 public static void main(String args[]) throws Exception {
78
79 JavaCCGlobals.bannerLine("Documentation Generator", "0.1.4");
80
81 JavaCCParser parser = null;
82 if (args.length == 0) {
83 System.out.println("");
84 help_message();
85 System.exit(1);
86 } else {
87 System.out.println("(type \"jjdoc\" with no arguments for help)");
88 }
89
90 JJDocOptions.init();
91
92 if (JJDocOptions.isOption(args[args.length-1])) {
93 System.out.println("Last argument \"" + args[args.length-1] + "\" is not a filename or \"-\". ");
94 System.exit(1);
95 }
96 for (int arg = 0; arg < args.length-1; arg++) {
97 if (!JJDocOptions.isOption(args[arg])) {
98 System.out.println("Argument \"" + args[arg] + "\" must be an option setting. ");
99 System.exit(1);
100 }
101 JJDocOptions.setCmdLineOption(args[arg]);
102 }
103
104 if (args[args.length-1].equals("-")) {
105 System.out.println("Reading from standard input . . .");
106 parser = new JavaCCParser(new java.io.DataInputStream (System.in));
107 JJDocGlobals.input_file = "standard input";
108 JJDocGlobals.output_file = "standard output";
109 } else {
110 System.out.println("Reading from file " + args[args.length-1] + " . . .");
111 try {
112 java.io.File fp = new java.io.File (args[args.length-1]);
113 if (!fp.exists()) {
114 System.out.println("File " + args[args.length-1] + " not found.");
115 System.exit(1);
116 }
117 if (fp.isDirectory()) {
118 System.out.println(args[args.length-1] + " is a directory. Please use a valid file name.");
119 System.exit(1);
120 }
121 JJDocGlobals.input_file = fp.getName();
122 parser = new JavaCCParser(new java.io.FileReader (args[args.length-1]));
123 } catch (NullPointerException ne) { } catch (SecurityException se) {
125 System.out.println("Security voilation while trying to open " + args[args.length-1]);
126 System.exit(1);
127 } catch (java.io.FileNotFoundException e) {
128 System.out.println("File " + args[args.length-1] + " not found.");
129 System.exit(1);
130 }
131 }
132 try {
133
134 parser.javacc_input();
135 JJDoc.start();
136
137 if (JavaCCErrors.get_error_count() == 0) {
138 if (JavaCCErrors.get_warning_count() == 0) {
139 System.out.println("Grammar documentation generated successfully in " + JJDocGlobals.output_file);
140 } else {
141 System.out.println("Grammar documentation generated with 0 errors and "
142 + JavaCCErrors.get_warning_count() + " warnings.");
143 }
144 System.exit(0);
145 } else {
146 System.out.println("Detected " + JavaCCErrors.get_error_count() + " errors and "
147 + JavaCCErrors.get_warning_count() + " warnings.");
148 System.exit((JavaCCErrors.get_error_count()==0)?0:1);
149 }
150 } catch (org.javacc.parser.MetaParseException e) {
151 System.out.println(e.toString());
152 System.out.println("Detected " + JavaCCErrors.get_error_count() + " errors and "
153 + JavaCCErrors.get_warning_count() + " warnings.");
154 System.exit(1);
155 } catch (org.javacc.parser.ParseException e) {
156 System.out.println(e.toString());
157 System.out.println("Detected " + (JavaCCErrors.get_error_count()+1) + " errors and "
158 + JavaCCErrors.get_warning_count() + " warnings.");
159 System.exit(1);
160 }
161 }
162 }
163 |
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