Files
tp2-vsl-pds/src/main/java/TP2/Main.java

94 lines
2.5 KiB
Java

package TP2;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import org.antlr.runtime.ANTLRFileStream;
import org.antlr.runtime.ANTLRInputStream;
import org.antlr.runtime.CharStream;
import org.antlr.runtime.CommonTokenStream;
import org.antlr.runtime.RecognitionException;
import org.antlr.runtime.Token;
import TP2.asd.Program.*;
import TP2.llvm.ProgramLLVM;
import TP2.llvm.ProgramLLVM.*;
import java.util.*;
/*
./gradlew build
java -jar build/libs/TP2.jar tests/fragment0/priority2.vsl
java -jar build/libs/TP2.jar tests/aLaMain.vsl
*/
/* TODO : problème de "-" : un NUMVER seul avec un "-" devant doit être reconnu comme un NUMBER négatif
frament 1 :
java -jar build/libs/TP2.jar tests/fragment1/print4.vsl
java -jar build/libs/TP2.jar tests/fragment1/while2.vsl > tests/fragment1/while2.ll
clang tests/fragment1/while2.ll -o tests/fragment1/while2
*/
public class Main {
public static void main(String[] args) {
try {
// Set input
CharStream input;
if (args.length == 0) {
// From standard input
input = new ANTLRInputStream(System.in);
} else {
// From file name in first argument
input = new ANTLRFileStream(args[0]);
}
// Instantiate Lexer
VSLLexer lexer = new VSLLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
// Instantiate Parser
VSLParser parser = new VSLParser(tokens);
// Parse
ProgramImp ast = parser.program();
// Pretty-print the program (to debug parsing)
System.out.println(ast.prettyprinter());
// Verify the program semantic
// Generate the intermediate representation
System.out.println("\n\n");
PrintWriter out2 = new PrintWriter(new OutputStreamWriter(System.out, StandardCharsets.UTF_8), true);
ProgramLLVMImp astLLVM = ast.toLLVM();
String llvmStr = astLLVM.prettyprinter();
out2.println(llvmStr);
String sortieLLVM = args[0].replace(".vsl", ".ll");
Files.write(
Paths.get(sortieLLVM),
llvmStr.getBytes(StandardCharsets.UTF_8)
);
System.out.println("\n[VSL compile Succes] : " + args[0] + " -> " + sortieLLVM +"\n");
} catch (IOException | RecognitionException e) {
e.printStackTrace();
throw new RuntimeException("Unable to proceed");
}
}
}