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package Compiler;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.List;
import java.nio.file.Paths;
import java.nio.file.Files;
public class ExecuteC {
public void compileAndExecuteC(List<String> code, String filename) {
writeProgram(code, filename);
if (!compileC(filename)){
String output = runProgram(filename);
System.out.println(output);
}
else{
Language.displayError("Runtime Error");
}
}
public void compileAndExecuteC(List<String> code){
compileAndExecuteC(code, "main");
}
public void writeProgram(List<String> codeLines, String filename){
try {
Files.createDirectories(Paths.get("build"));
} catch (IOException e) {
e.printStackTrace();
}
BufferedWriter output = null;
try {
File file = Paths.get("build", String.format("%s.c", filename)).toFile();
output = new BufferedWriter(new FileWriter(file));
for(String line:codeLines){
output.write(line+"\n");
}
output.close();
} catch ( IOException e ) {
e.printStackTrace();
}
}
public Boolean compileC(String filename){
try{
String s= null;
Process p;
if (System.getProperty("os.name").equals("Linux")) {
p = Runtime.getRuntime().exec(String.format("gcc build/%s.c -o build/%s", filename, filename));
} else {
p = Runtime.getRuntime().exec(String.format(
"cmd /C gcc %s -o %s",
Paths.get("build", String.format("%s.c", filename)).toString(),
Paths.get("build", String.format("%s.exe", filename)).toString()
));
}
BufferedReader stdError = new BufferedReader(new
InputStreamReader(p.getErrorStream()));
boolean error=false;
while ((s = stdError.readLine()) != null) {
error=true;
}
return error;
} catch (IOException e){
e.printStackTrace();
}
return false;
}
public String runProgram(String filename){
try{
ProcessBuilder probuilder;
if (System.getProperty("os.name").equals("Linux")) {
String[] command = {"sh", "-c", String.format("./build/%s", filename)};
probuilder = new ProcessBuilder(command);
} else {
String[] command = {"cmd", "/C", Paths.get("build", String.format("%s.exe", filename)).toString()};
probuilder = new ProcessBuilder(command);
}
Process p = probuilder.start();
BufferedReader stdInput = new BufferedReader(new
InputStreamReader(p.getInputStream()));
String s = null;
String output="";
while ((s = stdInput.readLine()) != null) {
output+=s+"\n";
}
return output;
} catch (IOException e){
e.printStackTrace();
}
System.out.println();
return null;
}
}
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