public static void main(String[] args) {
if (args.length == 0) {
System.out.println("Usage: java -jar cmtjavac.jar <options> <source file>");
System.exit(0);
}
StringBuffer buffer = new StringBuffer();
for (int i = 0; i < args.length - 1; i++) {
buffer.append(args[i]);
buffer.append(" ");
}
String parameters = buffer.toString();
String filename = args[args.length - 1];
try {
compile(filename, parameters);
} catch (Exception e) {
System.out.println("Exception caught compiling file: " + e);
e.printStackTrace();
}
}
public static void compile(String filename, String parameters) throws Exception {
String source = "";
String s = "";
int last = filename.lastIndexOf(".cmtjava");
if (last == -1) { // arquivos devem ter extensão cmtjava
System.out.println("Usage: java -jar cmtjavac.jar <options> <source file>");
System.exit(0);
} else source = filename.substring(0, last);
last = source.lastIndexOf('/');
if (last != -1) source = source.substring(last + 1, source.length());
System.out.println("Translating " + source + ".cmtjava");
String environmentVariable = System.getenv("CMTJAVAC");
String pathForTemplate = environmentVariable + "/CMTJava.stg";
// load in CMTJava.stg template group, put in templates variable
FileReader groupFileR = null;
try {
groupFileR = new FileReader(pathForTemplate);
} catch (Exception e) {
System.out.println(
"Could not load the template file for translating the source file.\nPlease set the CMTJAVAC environment variable with the path of the template file");
System.exit(0);
}
StringTemplateGroup templates = new StringTemplateGroup(groupFileR);
groupFileR.close();
File f = new File(filename);
FileInputStream fis = new FileInputStream(f);
ANTLRInputStream input = new ANTLRInputStream(fis);
CMTJavaLexer lexer = new CMTJavaLexer(input);
TokenRewriteStream tokens = new TokenRewriteStream(lexer);
CMTJavaParser parser = new CMTJavaParser(tokens);
parser.setTemplateLib(templates);
/*CMTJavaParser.compilationUnit_return r = */ parser
.compilationUnit(); // parse rule compilationUnit
// StringTemplate output = (StringTemplate)r.getTemplate();
try {
BufferedWriter out = new BufferedWriter(new FileWriter(source + ".java"));
out.write(tokens.toString());
out.close();
} catch (IOException e) {
e.printStackTrace();
}
Process t = null;
try {
System.out.println("javac " + parameters + " " + source + ".java");
t = Runtime.getRuntime().exec("javac " + parameters + " " + source + ".java");
} catch (Exception e) {
System.out.println("Could not load the javac compiler.");
System.exit(0);
}
BufferedReader stdInput = new BufferedReader(new InputStreamReader(t.getInputStream()));
BufferedReader stdError = new BufferedReader(new InputStreamReader(t.getErrorStream()));
// read the output from the command
System.out.println("Compiling " + source + ".java");
while ((s = stdInput.readLine()) != null) {
System.out.println("éoq");
System.out.println(s);
}
// read any errors from the attempted command
while ((s = stdError.readLine()) != null) {
System.out.println(s);
}
}