package com.quemaster.transformations.mjc2wsl;
/*
Copyright (C) 2014,2015, 2016, 2018 Doni Pracner
This file is part of mjc2wsl.
mjc2wsl is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
mjc2wsl is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with mjc2wsl. If not, see .
*/
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Calendar;
import java.util.Properties;
import com.quemaster.transformations.TransMessages;
/**
* This program converts file from compiled MicroJava bytecode to WSL language
* which is a part of the FermaT Transformation system. MicroJava is a subset
* used in Compiler Construction courses by Hanspeter Moessenboeck, not
* "Java ME".
*
* @author Doni Pracner, http://perun.dmi.rs/pracner http://quemaster.com
*/
public class Mjc2wsl{
//default version name, used if the file is not found
private static String versionN = "v0.2.x";
private String versionFile = "version.properties";
private TransMessages messages = new TransMessages();
private boolean genPauseAfterEachAddress=false,
genPrintForEachAddress = false,
genPrintEStackOnChange = false;
private boolean genPopPush=false;
private boolean genInlinePrint = false;
private boolean genLocalVars = true;
// make an array for all local variables OTHERWISE make them separate
private boolean genLocalsAsArray = true;
/** Constant used for marking a regular comment from the original file */
public static final char C_REG = ' ';
/**
* Constant used for marking when original code is inserted in the file,
* next to the translations
*/
public static final char C_OC = '#';
/** Constant used for marking special messages from the translator */
public static final char C_SPEC = '&';
/** Constant used for marking error messages from the translator */
public static final char C_ERR = '!';
/** instruction code in MicroJava bytecode. */
public static final int
load = 1,
load_0 = 2,
load_1 = 3,
load_2 = 4,
load_3 = 5,
store = 6,
store_0 = 7,
store_1 = 8,
store_2 = 9,
store_3 = 10,
getstatic = 11,
putstatic = 12,
getfield = 13,
putfield = 14,
const_0 = 15,
const_1 = 16,
const_2 = 17,
const_3 = 18,
const_4 = 19,
const_5 = 20,
const_m1 = 21,
const_ = 22,
add = 23,
sub = 24,
mul = 25,
div = 26,
rem = 27,
neg = 28,
shl = 29,
shr = 30,
inc = 31,
new_ = 32,
newarray = 33,
aload = 34,
astore = 35,
baload = 36,
bastore = 37,
arraylength = 38,
pop = 39,
dup = 40,
dup2 = 41,
jmp = 42,
jeq = 43,
jne = 44,
jlt = 45,
jle = 46,
jgt = 47,
jge = 48,
call = 49,
return_ = 50,
enter = 51,
exit = 52,
read = 53,
print = 54,
bread = 55,
bprint = 56,
trap = 57;
private boolean originalInComments = false;
private Properties versionData;
private String getVersion() {
if (versionData == null) {
versionData = new Properties();
try {
versionData.load(getClass().getResourceAsStream(versionFile));
} catch (IOException | NullPointerException e) {
// it doesn't matter
//e.printStackTrace();
}
}
String ver = versionData.getProperty("version");
if (ver != null)
return ver;
else
return versionN;
}
private MicroJavaInput mjInput;
private PrintWriter out = null;
private void pr(int i){
out.print(i);
}
private void pr(char i){
out.print(i);
}
private void pr(String i){
out.print(i);
}
private void prl(String i){
out.println(i);
}
public String createStandardStart(){
return createStandardStart(10);
}
public String createStandardStart(int numWords){
StringBuilder ret = new StringBuilder(
"C:\" This file was automatically converted from microjava bytecode\n"
+" using mjc2wsl "+getVersion()+"\n");
ret.append(" -options:");
ret.append("\n localsAsArrays:"+genLocalsAsArray);
ret.append("\n localVarBlocks:"+genLocalVars);
ret.append("\n popPush:"+genPopPush);
ret.append("\n inlinePrint:"+genInlinePrint);
ret.append("\n\";\n");
ret.append("\nBEGIN");
ret.append("\nVAR <\n\t");
if (!genLocalVars){
ret.append("\n\ttempa := 0, tempb :=0, tempres := 0,");
} else
ret.append("\n\tmjvm_flag_jump := 0,");
if (genLocalsAsArray)
ret.append("mjvm_locals := ARRAY(1,0),");
ret.append("\n\tmjvm_statics := ARRAY("+numWords+",0),");
ret.append("\n\tmjvm_arrays := < >,");
ret.append("\n\tmjvm_objects := < >,");
ret.append("\n\tmjvm_estack := < >, mjvm_mstack := < > > :");
return ret.toString();
}
public String createAsciiString(){
StringBuilder ret = new StringBuilder("C:\"char array for ascii code conversions\";");
ret.append("\nascii := \"????????????????????????????????\"++\n");
ret.append("\" !\"++Quote++\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\";\n");
return ret.toString();
}
public String createStandardEnd(){
StringBuilder ret = new StringBuilder("SKIP\nENDVAR\n");
ret.append("\nWHERE\n");
ret.append("\nFUNCT CHR(num) ==:\n");
ret.append("\t(@List_To_String(< num >))\n");
ret.append("END\n");
if (!genInlinePrint) {
ret.append("\nPROC Print_MJ(val, format VAR)==\n");
ret.append("PRINFLUSH(@Format(format, val ))");
ret.append("\nEND\n");
ret.append("\nPROC Print_MJ_CHAR(val, format VAR)==\n");
ret.append("PRINFLUSH(@Format(format, CHR(val)))");
ret.append("\nEND\n");
}
ret.append("\nEND");
return ret.toString();
}
private String createStartVar(String... vars){
if (genLocalVars) {
StringBuilder ret = new StringBuilder("VAR < ");
ret.append(vars[0] + " := 0");
for (int i = 1; i < vars.length; i++)
ret.append(", " + vars[i] + " := 0");
ret.append(" > : ");
return ret.toString();
}
return "";
}
private String createEndVar(){
if (genLocalVars)
return "ENDVAR;";
else
return "";
}
private String createLocal(int i) {
// arrays start at 1 in WSL, so we need an offset
if (genLocalsAsArray)
return "mjvm_locals[" + (i + 1) + "]";
else
return "mjvm_locals_" + i;
}
private String createStatic(int i) {
return "mjvm_statics[" + (i + 1) + "]";
}
private String createArray(int i) {
return "mjvm_arrays[" + i + "]";
}
private String createArray(String i) {
return "mjvm_arrays[" + i + "]";
}
private String createObject(String i) {
return "mjvm_objects[" + i + "]";
}
/**
* Creates a WSL comment with care to quote chars.
*/
public static String createComment(String str){
return createComment(str, C_REG);
}
/**
* Creates a WSL comment with care to quote chars, of the
* given type. Types are given as char constants. They can be
* default comments, comments that contain the original code
* in them, or additional comments regarding the translation
* process.
*/
public static String createComment(String str, char type) {
return "C:\"" + type + str.replace("\"", "''") + "\";";
}
// generalised stack operations
private String createToStack(String stack, String var){
if (genPopPush)
return "PUSH("+stack+"," + var + ");";
else
return stack + " := <" + var + " > ++ " + stack +";";
}
private String createFromStack(String stack, String var){
if (genPopPush)
return "POP("+ var + ", "+stack+");";
else
return var + ":= HEAD("+stack+"); "+stack+" := TAIL("+stack+");";
}
//Expression stack
private String createToEStack(int i) {
return createToEStack(i+"");
}
private String createToEStack(String i) {
String res = createToStack("mjvm_estack", i);
if (genPrintEStackOnChange)
res += "PRINT(\"eStack\",mjvm_estack);";
return res;
}
private String createFromEStack(String st) {
String res = createFromStack("mjvm_estack",st);
if (genPrintEStackOnChange)
res += "PRINT(\"eStack\",mjvm_estack);";
return res;
}
private String createPopEStack() {
String res = "mjvm_estack := TAIL(mjvm_estack);";
if (genPrintEStackOnChange)
res += "PRINT(\"eStack\",mjvm_estack);";
return res;
}
private String createTopTwoEStack() {
return createFromEStack("tempa") + "\n" + createFromEStack("tempb");
}
private String createTopEStack() {
return createFromEStack("tempa");
}
//Method stack
private String createToMStack(int i) {
return createToMStack(i+"");
}
private String createToMStack(String i) {
return createToStack("mjvm_mstack", i);
}
private String createFromMStack(String st) {
return createFromStack("mjvm_mstack", st);
}
public void convertStream(InputStream ins) throws Exception{
mjInput = new MicroJavaInput(ins);
prl(createStandardStart(mjInput.getNumberOfWords()));
prl("SKIP;\n ACTIONS a" + (14 + mjInput.getMainAdr()) + " :");
// the number of Locals for procedures; need to remember it for exits
int numberOfLocals = 0;
int op = mjInput.get();
while (op >= 0) {
prl(" a" + mjInput.getCounter() + " ==");
if (originalInComments)
prl(createComment(mjInput.describeOpCode(op), C_OC));
if (genPrintForEachAddress) {
prl("PRINT(\"a" + mjInput.getCounter() + "\");");
if (genPauseAfterEachAddress)
prl("@Read_Line_Proc(VAR debug_disposable_string, Standard_Input_Port);");
}
switch (op) {
case load: {
prl(createToEStack(createLocal(mjInput.get())));
break;
}
case load_0:
case load_1:
case load_2:
case load_3: {
prl(createStartVar("tempa"));
prl("tempa :="+createLocal(op - load_0)+";");
prl(createToEStack("tempa"));
prl(createEndVar());
break;
}
case store: {
prl(createFromEStack(createLocal(mjInput.get())));
break;
}
case store_0:
case store_1:
case store_2:
case store_3: {
prl(createStartVar("tempa"));
prl(createFromEStack("tempa"));
prl(createLocal(op - store_0)+" := tempa;");
prl(createEndVar());
break;
}
case getstatic: {
prl(createToEStack(createStatic(mjInput.get2())));
break;
}
case putstatic: {
prl(createFromEStack(createStatic(mjInput.get2())));
break;
}
case getfield: {
int f = mjInput.get2();
prl(createStartVar("tempa"));
prl(createTopEStack());
prl(createToEStack(createObject("tempa") + "[" + (f + 1) + "]"));
prl(createEndVar());
break;
}
case putfield: {
int f = mjInput.get2();
prl(createStartVar("tempa", "tempb"));
prl(createTopTwoEStack());
prl(createObject("tempb") + "[" + (f + 1) + "]:=tempa;");
prl(createEndVar());
break;
}
case const_: {
prl(createToEStack(mjInput.get4()));
break;
}
case const_m1: {
prl(createToEStack(-1));
break;
}
case const_0:
case const_1:
case const_2:
case const_3:
case const_4:
case const_5: {
prl(createToEStack(op - const_0));
break;
}
case add: {
prl(createStartVar("tempa", "tempb", "tempres"));
prl(createTopTwoEStack());
prl("tempres := tempb + tempa;");
prl(createToEStack("tempres"));
prl(createEndVar());
break;
}
case sub: {
prl(createStartVar("tempa", "tempb", "tempres"));
prl(createTopTwoEStack());
prl("tempres := tempb - tempa;");
prl(createToEStack("tempres"));
prl(createEndVar());
break;
}
case mul: {
prl(createStartVar("tempa", "tempb", "tempres"));
prl(createTopTwoEStack());
prl("tempres := tempb * tempa;");
prl(createToEStack("tempres"));
prl(createEndVar());
break;
}
case div: {
prl(createStartVar("tempa", "tempb", "tempres"));
prl(createTopTwoEStack());
prl("IF tempa = 0 THEN ERROR(\"division by zero\") FI;");
prl("tempres := tempb DIV tempa;");
prl(createToEStack("tempres"));
prl(createEndVar());
break;
}
case rem: {
prl(createStartVar("tempa", "tempb", "tempres"));
prl(createTopTwoEStack());
prl("IF tempa = 0 THEN ERROR(\"division by zero\") FI;");
prl("tempres := tempb MOD tempa;");
prl(createToEStack("tempres"));
prl(createEndVar());
break;
}
case neg: {
prl(createStartVar("tempa"));
prl(createTopEStack());
prl(createToEStack("-tempa"));
prl(createEndVar());
break;
}
case shl: {
prl(createStartVar("tempa", "tempb"));
prl(createTopTwoEStack());
prl("VAR :");
prl("\tFOR i:=1 TO tempa STEP 1 DO tempres := tempres * 2 OD;");
prl(createToEStack("tempres"));
prl("ENDVAR;");
prl(createEndVar());
break;
}
case shr: {
prl(createStartVar("tempa", "tempb"));
prl(createTopTwoEStack());
prl("VAR :");
prl("\tFOR i:=1 TO tempa STEP 1 DO tempres := tempres DIV 2 OD;");
prl(createToEStack("tempres"));
prl("ENDVAR;");
prl(createEndVar());
break;
}
case inc: {
int b1 = mjInput.get(), b2 = mjInput.get();
prl(createLocal(b1) + " := " + createLocal(b1) + " + " + b2 + ";");
break;
}
case new_: {
int size = mjInput.get2();
// TODO maybe objects and arrays should be in the same list?
prl("mjvm_objects := mjvm_objects ++ < ARRAY(" + size
+ ",0) >;");
prl(createToEStack("LENGTH(mjvm_objects)"));
break;
}
case newarray: {
mjInput.get();// 0 - bytes, 1 - words; ignore for now
// TODO take into consideration 0/1
prl(createStartVar("tempa"));
prl(createTopEStack());
prl("mjvm_arrays := mjvm_arrays ++ < ARRAY(tempa,0) >;");
prl(createToEStack("LENGTH(mjvm_arrays)"));
prl(createEndVar());
break;
}
case aload:
case baload: {
prl(createStartVar("tempa", "tempb"));
prl(createTopTwoEStack());
prl(createToEStack(createArray("tempb") + "[tempa+1]"));
prl(createEndVar());
break;
}
case astore:
case bastore: {
prl(createStartVar("tempa", "tempb", "tempres"));
prl(createFromEStack("tempres"));
prl(createTopTwoEStack());
prl("mjvm_arrays[tempb][tempa+1]:=tempres;");
prl(createEndVar());
break;
}
case arraylength: {
prl(createStartVar("tempa", "tempb"));
prl(createTopEStack());
prl("tempb := LENGTH("+ createArray("tempa") + ");");
prl(createToEStack("tempb"));
prl(createEndVar());
break;
}
case dup: {
prl(createStartVar("tempa", "tempb"));
prl(createTopEStack());
prl(createToEStack("tempa"));
prl(createToEStack("tempa"));
prl(createEndVar());
break;
}
case dup2: {
prl(createStartVar("tempa", "tempb"));
prl(createTopTwoEStack());
prl(createToEStack("tempb"));
prl(createToEStack("tempa"));
prl(createToEStack("tempb"));
prl(createToEStack("tempa"));
prl(createEndVar());
break;
}
case pop: {
prl(createPopEStack());
break;
}
case jmp: {
prl("CALL a" + (mjInput.getCounter() + mjInput.get2()) + ";");
break;
}
case jeq:
case jne:
case jlt:
case jle:
case jgt:
case jge: {
if (genLocalVars) {
prl(createStartVar("tempa", "tempb"));
prl(createTopTwoEStack());
prl("IF tempb " + mjInput.getRelationFor(op)
+ " tempa THEN mjvm_flag_jump := 1"
+ " ELSE mjvm_flag_jump := 0"
+ " FI;");
prl(createEndVar());
prl("IF mjvm_flag_jump = 1 THEN CALL a"
+ (mjInput.getCounter() + mjInput.get2())
+ " ELSE CALL a" + (mjInput.getCounter() + 1)
+ " FI;");
} else {
prl(createTopTwoEStack());
prl("IF tempb " + mjInput.getRelationFor(op)
+ " tempa THEN CALL a"
+ (mjInput.getCounter() + mjInput.get2())
+ " ELSE CALL a" + (mjInput.getCounter() + 1)
+ " FI;");
}
break;
}
case call: {
prl("CALL a" + (mjInput.getCounter() + mjInput.get2()) + ";");
break;
}
case return_: {
// we let the actions return
// there is nothing to clean up
prl("SKIP\n END\n b" + mjInput.getCounter() + " ==");
break;
}
case enter: {
int parameters = mjInput.get();
numberOfLocals = mjInput.get();
if (genLocalsAsArray) {
prl(createToMStack("mjvm_locals"));
prl("mjvm_locals := ARRAY(" + numberOfLocals + ",0);");
} else {
// TODO maybe we should generate VAR block for these somewhere
for (int i = 0; i < numberOfLocals; i++) {
prl(createToMStack(createLocal(i)));
}
}
for (int i = parameters - 1; i >= 0; i--)
prl(createFromEStack(createLocal(i)));
break;
}
case exit: {
if (genLocalsAsArray) {
prl(createFromMStack("mjvm_locals"));
} else {
// there are as many locals as defined in the last enter
for (int i = numberOfLocals -1; i >= 0; i--)
prl(createFromMStack(createLocal(i)));
}
break;
}
// read, print
case bread: {
// TODO maybe we'll need a buffer for multi chars!
prl(createStartVar("tempa"));
prl("@Read_Line_Proc(VAR tempa, Standard_Input_Port);");
prl("tempa := @String_To_List(tempa)[1];");
prl(createToEStack("tempa"));
prl(createEndVar());
break;
}
case read: {
prl(createStartVar("tempa"));
prl("@Read_Line_Proc(VAR tempa, Standard_Input_Port);");
prl("tempa := @String_To_Num(tempa);");
prl(createToEStack("tempa"));
prl(createEndVar());
break;
}
// the prints
case bprint: {
prl(createStartVar("tempa", "tempb"));
prl(createTopTwoEStack());
if (genInlinePrint){
prl(createComment("print spacing and transformation",C_SPEC));
prl("PRINFLUSH(@Format(tempa, @List_To_String(< tempb >)));");
} else
prl("Print_MJ_CHAR(tempb,tempa);");
prl(createEndVar());
break;
}
case print: {
prl(createStartVar("tempa", "tempb"));
prl(createTopTwoEStack());
if (genInlinePrint){
prl(createComment("print spacing",C_SPEC));
prl("PRINFLUSH(@Format(tempa,tempb));");
}
else
prl("Print_MJ(tempb,tempa);");
prl(createEndVar());
break;
}
case trap: {
prl("ERROR(\"Runtime error: trap(" + mjInput.get() + ")\");");
break;
}
default:
prl(createComment("unknown op error: " + op, C_ERR));
messages.message("unknown op error: " + op, TransMessages.M_ERR);
break;
}
boolean wasJump = mjInput.isJumpCode(op);
op = mjInput.get();
if (op >= 0)
if (wasJump)
prl("SKIP\n END");
else
prl("CALL a" + mjInput.getCounter() + "\n END");
}
prl("SKIP\n END\nENDACTIONS;\n");
pr(createStandardEnd());
}
public void convertFile(File f) {
try {
convertStream(new FileInputStream(f));
} catch (Exception ex) {
ex.printStackTrace();
}
}
public void printHelp() {
printVersion();
printUsage();
printHelpOutput();
printHelpHelp();
}
public void printLongHelp() {
printVersion();
printUsage();
System.out.println();
printHelpOutput();
System.out.println();
printHelpDirectives();
System.out.println();
printHelpGenerating();
System.out.println();
printHelpHelp();
}
public void printHelpOutput() {
System.out.println("Output options:");
System.out.println(" --screen print output to screen");
System.out.println(" -o --oc[+-] include original code in comments");
System.out.println(" -v verbose, print warning messages");
System.out.println(" -q quiet; don't print even the error messages");
System.out.println(" -d print detailed debug messages");
}
public void printHelpGenerating() {
System.out.println("Options for generating extra code for tracking code execution");
System.out.println(" --genEStackPrint generate print for all EStack changes");
System.out.println(" --genAddrPrint generate prints after every address of the original code ");
System.out.println(" --genAddrPause generate a pause after every address of the original code ");
System.out.println(" --genAddr short for --genAddrPrint and --genAddrPause");
System.out.println(" --genAll short for applying all code generation");
}
public void printHelpDirectives(){
System.out.println("Alternatives for code generation (* are the defaults):");
System.out.print(genPopPush?'*':' ');
System.out.println(" --genPopPush generate POP/PUSH instead of TAIL/HEAD");
System.out.print(!genPopPush?'*':' ');
System.out.println(" --genHeadTail generate TAIL/HEAD instead of POP/PUSH ");
System.out.println();
System.out.print(genInlinePrint?'*':' ');
System.out.println(" --genInlinePrint generate prints directly instead of procedure calls");
System.out.print(!genInlinePrint?'*':' ');
System.out.println(" --genProcedurePrint generate prints as custom procedure calls");
System.out.println();
System.out.print(genLocalVars?'*':' ');
System.out.println(" --genLocalVars generate local VAR block for temp variables");
System.out.print(!genLocalVars?'*':' ');
System.out.println(" --genGlobalVars do NOT generate local VAR block for temp variables");
System.out.println();
System.out.print(genLocalsAsArray?'*':' ');
System.out.println(" --genLocalsAsArray generate local variables as an array");
System.out.print(!genLocalsAsArray?'*':' ');
System.out.println(" --genLocalsSeparate generate local variables as separate entities");
}
public void printHelpHelp() {
System.out.println("Help and info options");
System.out.println(" -h basic help");
System.out.println(" --help print more detailed help");
System.out.println(" --version or -version print version and exit");
}
public void printUsage(){
System.out.println("usage:\n\t mjc2wsl {options} filename [outfile]");
}
public void printVersion() {
System.out.println("MicroJava bytecode to WSL converter " + getVersion()
+ ", by Doni Pracner");
}
public String makeDefaultOutName(String inname){
String rez = inname;
if (inname.endsWith(".obj"))
rez = rez.substring(0, rez.length() - 4);
return rez + ".wsl";
}
public void run(String[] args) {
if (args.length == 0) {
printHelp();
} else {
int i = 0;
while (i < args.length && args[i].length() > 0 && args[i].charAt(0) == '-') {
if (args[i].compareTo("-h") == 0) {
printHelp();
return;
} else if (args[i].compareTo("--help") == 0) {
printLongHelp();
return;
} else if (args[i].compareTo("--version") == 0
|| args[i].compareTo("-version") == 0) {
printVersion();
return;
} else if (args[i].compareTo("-o") == 0
|| args[i].startsWith("--oc")) {
if (args[i].length() == 2)
originalInComments = true;
else if (args[i].length() == 5)
originalInComments = args[i].charAt(4) == '+';
else
originalInComments = true;
} else if (args[i].compareTo("--screen") == 0) {
out = new PrintWriter(System.out);
} else if (args[i].compareTo("-d") == 0) {
messages.setPrintLevel(TransMessages.M_DEB);// print debug info
} else if (args[i].compareTo("-v") == 0) {
messages.setPrintLevel(TransMessages.M_WAR);// print warnings
} else if (args[i].compareTo("-q") == 0) {
messages.setPrintLevel(TransMessages.M_QUIET);// no printing
} else if (args[i].compareToIgnoreCase("--genEStackPrint") == 0) {
genPrintEStackOnChange = true;
} else if (args[i].compareToIgnoreCase("--genAddrPause") == 0) {
genPauseAfterEachAddress = true;
} else if (args[i].compareToIgnoreCase("--genAddrPrint") == 0) {
genPrintForEachAddress = true;
} else if (args[i].compareToIgnoreCase("--genAddr") == 0) {
genPrintForEachAddress = true;
genPauseAfterEachAddress = true;
} else if (args[i].compareToIgnoreCase("--genAll") == 0) {
genPrintEStackOnChange = true;
genPrintForEachAddress = true;
genPauseAfterEachAddress = true;
} else if (args[i].compareToIgnoreCase("--genPopPush") == 0) {
genPopPush = true;
} else if (args[i].compareToIgnoreCase("--genInlinePrint") == 0) {
genInlinePrint = true;
} else if (args[i].compareToIgnoreCase("--genHeadTail") == 0) {
genPopPush = false;
} else if (args[i].compareToIgnoreCase("--genProcedurePrint") == 0) {
genInlinePrint = false;
} else if (args[i].compareToIgnoreCase("--genLocalVars") == 0) {
genLocalVars = true;
} else if (args[i].compareToIgnoreCase("--genGlobalVars") == 0) {
genLocalVars = false;
} else if (args[i].compareToIgnoreCase("--genLocalsAsArray") == 0) {
genLocalsAsArray = true;
} else if (args[i].compareToIgnoreCase("--genLocalsSeparate") == 0) {
genLocalsAsArray = false;
} else {
System.err.println("unknown option, refusing to continue: "+args[i]);
System.exit(1);
}
i++;
}
if (i >= args.length) {
System.err.println("no filename supplied");
System.exit(2);
}
Path p = FileSystems.getDefault().getPath(args[i]);
if (!Files.isRegularFile(p)){
System.err.println("input file does not exist");
System.exit(1);
}
if (i + 1 < args.length) {
try {
out = new PrintWriter(args[i + 1]);
} catch (Exception e) {
System.err.println("error in opening out file:");
e.printStackTrace();
}
}
if (out == null) {
// if not set to screen, or a file, make a default filename
try {
out = new PrintWriter(makeDefaultOutName(args[i]));
} catch (Exception e) {
System.err.println("error in opening out file:");
e.printStackTrace();
}
}
Calendar now = Calendar.getInstance();
try {
convertStream(Files.newInputStream(p));
} catch (Exception e) {
System.err.println("Failed converting the stream");
e.printStackTrace();
}
long mili = Calendar.getInstance().getTimeInMillis()
- now.getTimeInMillis();
System.out.println("conversion time:" + mili + " ms");
messages.printMessageCounters();
out.close();
}
}
public static void main(String[] args) {
new Mjc2wsl().run(args);
}
}