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1
17
18 package org.sablecc.sablecc.launcher;
19
20 import java.io.BufferedReader  ;
21 import java.io.File ;
22 import java.io.FileReader ;
23 import java.io.IOException ;
24 import java.io.PushbackReader ;
25 import java.util.LinkedList ;
26 import java.util.List ;
27
28 import org.sablecc.sablecc.GlobalInformation;
29 import org.sablecc.sablecc.SemanticVerifier;
30 import org.sablecc.sablecc.Verbosity;
31 import org.sablecc.sablecc.exception.InternalException;
32 import org.sablecc.sablecc.exception.InvalidArgumentException;
33 import org.sablecc.sablecc.exception.SemanticException;
34 import org.sablecc.sablecc.syntax3.lexer.Lexer;
35 import org.sablecc.sablecc.syntax3.lexer.LexerException;
36 import org.sablecc.sablecc.syntax3.node.Start;
37 import org.sablecc.sablecc.syntax3.parser.Parser;
38 import org.sablecc.sablecc.syntax3.parser.ParserException;
39
40 public class SableCC {
41
42 public static void main(
43 String [] args) {
44
45 try {
46 boolean check_only = false;
47 Verbosity verbosity = Verbosity.NORMAL;
48
49 File destinationDirectory = new File (System.getProperty("user.dir"))
51 .getAbsoluteFile();
52
53 Arguments arguments = new Arguments(args);
55
56 for (OptionArgument optionArgument : arguments.getOptionArguments()) {
58
59 switch (optionArgument.getOption()) {
60
61 case CHECK_ONLY:
62 check_only = true;
63 break;
64
65 case DESTINATION:
66 destinationDirectory = new File (optionArgument.getOperand())
67 .getAbsoluteFile();
68
69 if (!destinationDirectory.isDirectory()) {
70
71 if (!destinationDirectory.exists()) {
72 System.err.println("ERROR: " + destinationDirectory
73 + " does not exist");
74 System.exit(1);
75 }
76
77 System.err.println("ERROR: " + destinationDirectory
78 + " is not a directory");
79 System.exit(1);
80 }
81
82 break;
83
84 case QUIET:
85 verbosity = Verbosity.QUIET;
86 break;
87
88 case VERBOSE:
89 verbosity = Verbosity.VERBOSE;
90 break;
91
92 case VERSION:
93 System.out.println("SableCC version " + Version.VERSION);
94 System.exit(0);
95
96 case HELP:
97 System.out.println("usage: sablecc "
98 + Option.getShortHelpMessage()
99 + " specification.sablecc ...");
100 System.out.println("options:");
101 System.out.println(Option.getLongHelpMessage());
102 System.exit(0);
103
104 default:
105 throw new InternalException("unhandled option "
106 + optionArgument.getOption());
107 }
108 }
109
110 if (arguments.getTextArguments().size() == 0) {
112 System.err.println("usage: sablecc "
113 + Option.getShortHelpMessage()
114 + " specification.sablecc ...");
115 System.err.println("type 'sablecc -h' for more information.");
116 System.exit(1);
117 }
118
119 switch (verbosity) {
120 case NORMAL:
121 case VERBOSE:
122 System.out.println();
123 System.out.println("SableCC version " + Version.VERSION);
124 System.out
125 .println("by Etienne M. Gagnon <egagnon@j-meg.com> and other contributors.");
126 System.out.println();
127 }
128
129 List <File > specificationFiles = new LinkedList <File >();
130
131 for (TextArgument textArgument : arguments.getTextArguments()) {
134
135 if (!textArgument.getText().endsWith(".sablecc")) {
136 System.err
137 .println("ERROR: specification file name does not end with .sablecc: "
138 + textArgument.getText());
139 System.exit(1);
140 }
141
142 File specificationFile = new File (textArgument.getText())
143 .getAbsoluteFile();
144
145 if (!specificationFile.isFile()) {
146
147 if (!specificationFile.exists()) {
148 System.err.println("ERROR: " + specificationFile
149 + " does not exist");
150 System.exit(1);
151 }
152
153 System.err.println("ERROR: " + specificationFile
154 + " is not a file");
155 System.exit(1);
156 }
157
158 specificationFiles.add(specificationFile);
159 }
160
161 for (File specificationFile : specificationFiles) {
163
164 compile(specificationFile, destinationDirectory, check_only,
165 verbosity);
166 }
167 }
168 catch (InvalidArgumentException e) {
169 System.err.println("ERROR: " + e.getMessage());
170 System.exit(1);
171 }
172 catch (SemanticException e) {
173 System.err.println("ERROR: semantic error on '"
174 + e.getToken().getText() + "' at " + e.getMessage());
175 }
176 catch (ParserException e) {
177 System.err.println("ERROR: syntax error on '"
178 + e.getToken().getText() + "' at " + e.getMessage());
179 System.exit(1);
180 }
181 catch (LexerException e) {
182 System.err.println("ERROR: lexical error at " + e.getMessage());
183 System.exit(1);
184 }
185 catch (RuntimeException e) {
186 e.printStackTrace(System.err);
187 System.err.println("INTERNAL ERROR: " + e.getMessage());
188 System.err
189 .println("Please submit a defect ticket with the full error trace above on:");
190 System.err.println(" http://sablecc.org/");
191 System.exit(1);
192 }
193 catch (Error e) {
194 e.printStackTrace(System.err);
195 System.err.println("INTERNAL ERROR: " + e.getMessage());
196 System.err
197 .println("Please submit a defect ticket with the full error trace above on:");
198 System.err.println(" http://sablecc.org/");
199 System.exit(1);
200 }
201
202 System.exit(0);
204 }
205
206 private static void compile(
207 File specificationFile,
208 File destinationDirectory,
209 boolean check_only,
210 Verbosity verbosity)
211 throws InvalidArgumentException, ParserException, LexerException,
212 SemanticException {
213
214 switch (verbosity) {
215 case NORMAL:
216 case VERBOSE:
217 System.out.println("Compiling " + specificationFile);
218 }
219
220 Start ast;
221
222 try {
223 FileReader fr = new FileReader (specificationFile);
224 BufferedReader br = new BufferedReader (fr);
225 PushbackReader pbr = new PushbackReader (br);
226
227 switch (verbosity) {
228 case VERBOSE:
229 System.out.println(" Parsing");
230 }
231
232 ast = new Parser(new Lexer(pbr)).parse();
233
234 pbr.close();
235 br.close();
236 fr.close();
237 }
238 catch (IOException e) {
239 throw new InvalidArgumentException("cannot read "
240 + specificationFile, e);
241 }
242
243 GlobalInformation globalInformation = new GlobalInformation(verbosity,
244 ast);
245 new SemanticVerifier(globalInformation);
246
247 System.err.println("ERROR: unimplemented");
248 System.exit(1);
249 }
250 }
251 |
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