private static void api(String file, Option<String> out, Option<String> prepend)
throws UserError, IOException {
if (!isComponent(file)) {
throw new UserError(
"The api command needs a Fortress component file; filename "
+ file
+ " must end with .fss");
}
Component c = (Component) Parser.parseFileConvertExn(new File(file));
String logFile = file + ".api.log";
Option<Node> result = c.accept(new ApiMaker(logFile));
File log = new File(logFile);
if (log.length() != 0) {
System.err.println("To generate an API, the following types are required:");
BufferedReader reader = Useful.filenameToBufferedReader(logFile);
String line = reader.readLine();
while (line != null) {
System.err.println(line);
line = reader.readLine();
}
try {
Files.rm(logFile);
} catch (IOException e) {
}
throw new UserError("Missing types from the component.");
}
try {
Files.rm(logFile);
} catch (IOException e) {
}
if (result.isNone()) throw new UserError("The api command needs a Fortress component file.");
Api a = (Api) result.unwrap();
String code = a.accept(new FortressAstToConcrete());
if (out.isSome()) {
try {
BufferedWriter writer = Useful.filenameToBufferedWriter(out.unwrap());
if (prepend.isSome()) {
BufferedReader reader = Useful.filenameToBufferedReader(prepend.unwrap());
String line = reader.readLine();
while (line != null) {
writer.write(line + "\n");
line = reader.readLine();
}
}
writer.write(code);
writer.close();
System.out.println("Dumped code to " + out.unwrap());
} catch (IOException e) {
throw new IOException("IOException " + e + " while writing " + out.unwrap());
}
} else {
System.out.println(code);
}
}
private static int parse(String file, Option<String> out) throws UserError, IOException {
int return_code = 0;
try {
CompilationUnit unit = Parser.parseFileConvertExn(new File(file));
System.out.println("Ok");
if (out.isSome()) {
try {
ASTIO.writeJavaAst(unit, out.unwrap());
System.out.println("Dumped parse tree to " + out.unwrap());
} catch (IOException e) {
throw new IOException("IOException " + e + "while writing " + out.unwrap());
}
}
} catch (ParserError e) {
if (Debug.stackTraceOn()) {
System.err.println(e.getMessage());
e.printStackTrace();
} else {
System.err.println(turnOnDebugMessage);
}
return_code = 1;
} catch (ProgramError e) {
failureBoilerplate(e);
return_code = 1;
} catch (CompilerBug e) {
failureBoilerplate(e);
return_code = 1;
} catch (InterpreterBug e) {
failureBoilerplate(e);
return_code = 1;
} catch (FileNotFoundException f) {
throw new UserError(file + " not found");
} finally {
try {
Files.rm(ProjectProperties.preparserErrorLog(file));
} catch (IOException e) {
}
}
return return_code;
}