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Merge branch 'main' of https://gitlab2.istic.univ-rennes1.fr/tuvu/tp2-vsl-pds

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This commit is contained in:
trochas
2025-04-11 14:52:43 +02:00
parent 35c2c23985 2948c372dd
commit 99ca510bb1
3 changed files with 57 additions and 7 deletions
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3
src/main/antlr/VSLParser.g
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@@ -134,7 +134,8 @@ instruction returns [Instruction out]:
| ELSE ins2=instruction FIN
{$out= new IfThenElseImp($ex1.out, $ins1.out,$ins2.out); }
)
| WHILE exp1=expression DO ins3=instruction DONE
| //WHILE
WHILE exp1=expression DO ins3=instruction DONE
{$out = new WhileImp($exp1.out,$ins3.out);}
;

58
src/main/java/TP2/asd/toLLVM_Visitor.java
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@@ -143,22 +143,68 @@ public class toLLVM_Visitor implements ProgramVisitor<SymTable,ProgramLLVMImpl>
@Override
public ArrayList<InstructionLLVM> visitIfThen(IfThenImp instr, SymTable h) {
// TODO Auto-generated method stub
throw new UnsupportedOperationException("Unimplemented method 'visitIfThen'");
ArrayList<InstructionLLVM> l = new ArrayList<>();
String labelIf= "if"+h.getNewIdLabel()+":";
String labelThen= "then"+h.getNewIdLabel()+":";
String labelFin= "fin"+h.getNewIdLabel();
l.add(new LabelLLVMImp(labelIf));
InstrAndVal temp = instr.e().accept(this,h);
l.addAll(temp.instrs);
ValLLVM val = temp.val;
ExpressionLLVM exTemp = new IcmpLLVMImp(val,new ValLLVMImpl(new IntLLVMImpl(), 0));
Result temp2 = h.addNewTempVar();
h = temp2.symTable;
VarLLVMImpl varCond = new VarLLVMImpl(exTemp.getType(), temp2.var);
l.add(new AssignLVMImpl(varCond,exTemp));
l.add(new BrCondLLVMImp(varCond,labelThen,labelFin));
l.add(new LabelLLVMImp(labelThen));
l.addAll(instr.i1().accept(this,h));
l.add(new LabelLLVMImp(labelFin));
return l;
}
@Override
public ArrayList<InstructionLLVM> visitIfThenElse(IfThenElseImp instr, SymTable h) {
// TODO Auto-generated method stub
throw new UnsupportedOperationException("Unimplemented method 'visitIfThenElse'");
ArrayList<InstructionLLVM> l = new ArrayList<>();
String labelIf= "if"+h.getNewIdLabel()+":";
String labelThen= "then"+h.getNewIdLabel()+":";
String labelElse= "else"+h.getNewIdLabel()+":";
String labelFin= "fin"+h.getNewIdLabel();
l.add(new LabelLLVMImp(labelIf));
InstrAndVal temp = instr.e().accept(this,h);
l.addAll(temp.instrs);
ValLLVM val = temp.val;
ExpressionLLVM exTemp = new IcmpLLVMImp(val,new ValLLVMImpl(new IntLLVMImpl(), 0));
Result temp2 = h.addNewTempVar();
h = temp2.symTable;
VarLLVMImpl varCond = new VarLLVMImpl(exTemp.getType(), temp2.var);
l.add(new AssignLVMImpl(varCond,exTemp));
l.add(new BrCondLLVMImp(varCond,labelThen,labelElse));
l.add(new LabelLLVMImp(labelThen));
l.addAll(instr.i1().accept(this,h));
l.add(new BrLLVMImp(labelFin));
l.add(new LabelLLVMImp(labelElse));
l.addAll(instr.i2().accept(this,h));
l.add(new BrLLVMImp(labelFin));
l.add(new LabelLLVMImp(labelFin));
return l;
}
@Override
public ArrayList<InstructionLLVM> visitWhile(WhileImp instr, SymTable h) {
ArrayList<InstructionLLVM> l = new ArrayList<>();
String labelWhile = "while"+h.getNewIdLabel();
String labelDo = "do"+h.getNewIdLabel();
String labelWhile = "while"+h.getNewIdLabel()+":";
String labelDo = "do"+h.getNewIdLabel()+":";
String labelDone = "done"+h.getNewIdLabel();
l.add(new LabelLLVMImp(labelWhile));

3
tests/aLaMain.vsl
View File

@@ -9,5 +9,8 @@ FUNC INT main() {
c := c + 1
}
DONE
IF c -1
THEN READ a ELSE READ b
FI
b:=c+1
RETURN 4 + 6 * 5 + 2 }