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Commit 15d87b1c authored by BAZIZI Zakaria's avatar BAZIZI Zakaria
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test this please

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src/nasm/C3a2nasm.java
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...@@ -10,7 +10,6 @@ public class C3a2nasm implements C3aVisitor <NasmOperand> { ...@@ -10,7 +10,6 @@ public class C3a2nasm implements C3aVisitor <NasmOperand> {
private TsItemFct currentFct; private TsItemFct currentFct;
private NasmRegister esp; private NasmRegister esp;
private NasmRegister ebp; private NasmRegister ebp;
private NasmLabel label;
public C3a2nasm(C3a c3a, Ts tableGlobale) { public C3a2nasm(C3a c3a, Ts tableGlobale) {
...@@ -25,189 +24,283 @@ public class C3a2nasm implements C3aVisitor <NasmOperand> { ...@@ -25,189 +24,283 @@ public class C3a2nasm implements C3aVisitor <NasmOperand> {
ebp = new NasmRegister(-1); ebp = new NasmRegister(-1);
ebp.colorRegister(Nasm.REG_EBP); ebp.colorRegister(Nasm.REG_EBP);
NasmOperand res;
for (C3aInst c3aInst : c3a.listeInst) {
// System.out.println("<" + c3aInst.getClass().getSimpleName() + ">");
res = c3aInst.accept(this);
}
} }
public Nasm getNasm(){return nasm;} public Nasm getNasm() {
return nasm;
}
/*--------------------------------------------------------------------------------------------------------------
transforme une opérande trois adresses en une opérande asm selon les règles suivantes :
public NasmOperand visit(C3a c3a){ C3aConstant -> NasmConstant
return null; C3aTemp -> NasmRegister
} C3aLabel -> NasmLabel
public NasmOperand visit(C3aInstAdd inst){ C3aFunction -> NasmLabel
NasmOperand label = (inst.label != null) ? C3aVar -> NasmAddress
inst.label.accept(this) --------------------------------------------------------------------------------------------------------------*/
: null;
nasm.ajouteInst(new NasmMov(label,
inst.result.accept(this), @Override
inst.op1.accept(this), ""));
nasm.ajouteInst(new NasmAdd(null,
inst.result.accept(this),
inst.op2.accept(this), ""));
return null;
}
public NasmOperand visit(C3aInstCall inst) { public NasmOperand visit(C3aInstCall inst) {
NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null; NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
NasmOperand addr = inst.result.accept(this); nasm.ajouteInst(new NasmSub(label, esp, new NasmConstant(4), "allocation mémoire pour la valeur de retour"));
nasm.ajouteInst(new NasmCall(label,addr,"")); nasm.ajouteInst(new NasmCall(null, new NasmLabel(inst.op1.val.identif), ""));
return null; nasm.ajouteInst(new NasmPop(null, inst.result.accept(this), "récupération de la valeur de retour"));
if (inst.op1.val.nbArgs > 0)
nasm.ajouteInst(new NasmAdd(null, esp, new NasmConstant(inst.op1.val.nbArgs * 4), "désallocation des arguments"));
return inst.result.accept(this);
} }
private NasmOperand getLabelFromC3aInst(C3aInst inst) {
return new NasmLabel(inst.label.toString());
}
public NasmOperand visit(C3aInstFBegin inst){
NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
nasm.ajouteInst(new NasmInst() {
@Override @Override
void addLabel(String formatInst, NasmOperand label) { public NasmOperand visit(C3aInstFBegin inst) {
super.addLabel(formatInst, label); currentFct = inst.val;
} nasm.ajouteInst(new NasmPush(new NasmLabel(currentFct.identif), ebp, "sauvegarde la valeur de ebp"));
}); nasm.ajouteInst(new NasmMov(null, ebp, esp, "nouvelle valeur de ebp"));
NasmRegister regeax = nasm.newRegister();
NasmRegister regebx = nasm.newRegister();
NasmRegister regecx = nasm.newRegister();
NasmRegister regedx = nasm.newRegister();
regeax.colorRegister(Nasm.REG_EAX);
regebx.colorRegister(Nasm.REG_EBX);
regecx.colorRegister(Nasm.REG_ECX);
regedx.colorRegister(Nasm.REG_EDX);
nasm.ajouteInst(new NasmPush(null, regeax, "sauvegarde de eax"));
nasm.ajouteInst(new NasmPush(null, regebx, "sauvegarde de ebx"));
nasm.ajouteInst(new NasmPush(null, regecx, "sauvegarde de ecx"));
nasm.ajouteInst(new NasmPush(null, regedx, "sauvegarde de edx"));
nasm.ajouteInst(new NasmSub(null, esp, new NasmConstant(currentFct.table.getAdrVarCourante()), "allocation des variables locales"));
return null; return null;
} }
@Override
public NasmOperand visit(C3aInst inst) { public NasmOperand visit(C3aInst inst) {
NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
NasmOperand addr = inst.label.accept(this);
NasmOperand destination = inst.label.accept(this);
NasmOperand source = inst.label.accept(this);
nasm.ajouteInst(new NasmInst() {
void addLabel(String formatInst, NasmOperand label) {
super.addLabel(formatInst, label);
}
});
return null; return null;
} }
public NasmOperand visit(C3aInstJumpIfLess inst){
@Override
public NasmOperand visit(C3aInstMult inst) {
NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null; NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
NasmOperand oper1 = inst.op1.accept(this); NasmOperand oper1 = inst.op1.accept(this);
NasmOperand oper2 = inst.op2.accept(this); NasmOperand oper2 = inst.op2.accept(this);
NasmOperand result = inst.result.accept(this); NasmOperand dest = inst.result.accept(this);
nasm.ajouteInst(new NasmCmp(label,oper1,oper2,"")); nasm.ajouteInst(new NasmMov(label, dest, oper1, ""));
nasm.ajouteInst(new NasmJle(null, result, "")); nasm.ajouteInst(new NasmMul(null, dest, oper2, ""));
return null; return null;
} }
public NasmOperand visit(C3aInstMult inst){
@Override
public NasmOperand visit(C3aInstRead inst) {
NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null; NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
nasm.ajouteInst(new NasmMov(label, inst.result.accept(this), inst.op1.accept(this),"")); NasmRegister regeax = nasm.newRegister();
nasm.ajouteInst(new NasmMul(null, inst.result.accept(this), inst.op2.accept(this),"")); regeax.colorRegister(Nasm.REG_EAX);
nasm.ajouteInst(new NasmMov(label, regeax, new NasmLabel("sinput"), ""));
nasm.ajouteInst(new NasmCall(null, new NasmLabel("readline"), ""));
nasm.ajouteInst(new NasmCall(null, new NasmLabel("atoi"), ""));
nasm.ajouteInst(new NasmMov(null, inst.result.accept(this), regeax, ""));
return null; return null;
} }
public NasmOperand visit(C3aInstRead inst){ @Override
nasm.ajouteInst(new NasmMov (getLabelFromC3aInst(inst), public NasmOperand visit(C3aInstSub inst) {
nasm.newRegister(), NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
new NasmLabel("sinput"), "")); NasmOperand oper1 = inst.op1.accept(this);
nasm.ajouteInst(new NasmCall(null, NasmOperand oper2 = inst.op2.accept(this);
new NasmLabel("readline"), "")); NasmOperand dest = inst.result.accept(this);
nasm.ajouteInst(new NasmCall(null, nasm.ajouteInst(new NasmMov(label, dest, oper1, ""));
new NasmLabel("atoi"), "")); nasm.ajouteInst(new NasmSub(null, dest, oper2, ""));
nasm.ajouteInst(new NasmMov (null,
inst.result.accept(this),
nasm.newRegister() , ""));
return null; return null;
} }
@Override
public NasmOperand visit(C3aInstSub inst){ public NasmOperand visit(C3aInstDiv inst) {
NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null; NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
nasm.ajouteInst(new NasmMov(label, inst.result.accept(this), inst.op1.accept(this),"")); NasmRegister regeax = nasm.newRegister();
nasm.ajouteInst(new NasmSub(null, inst.result.accept(this), inst.op2.accept(this),"")); NasmRegister regedx = nasm.newRegister();
regeax.colorRegister(Nasm.REG_EAX);
regedx.colorRegister(Nasm.REG_EDX);
nasm.ajouteInst(new NasmMov(label, regedx, new NasmConstant(0), "mise à 0 des bits de poids fort du dividende"));
nasm.ajouteInst(new NasmMov(null, regeax, inst.op1.accept(this), "affectation des bits de poids faible du dividende"));
nasm.ajouteInst(new NasmMov(null, inst.result.accept(this), inst.op2.accept(this), ""));
nasm.ajouteInst(new NasmDiv(null, inst.result.accept(this), ""));
nasm.ajouteInst(new NasmMov(null, regedx, regedx, "rend explicite l'utilisation de edx pour ne pas que sa valeur soit modifiée"));
nasm.ajouteInst(new NasmMov(null, inst.result.accept(this), regeax, ""));
return regeax;
}
@Override
public NasmOperand visit(C3a c3a) {
return null; return null;
} }
public NasmOperand visit(C3aInstAffect inst) {
@Override
public NasmOperand visit(C3aInstAdd inst) {
NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null; NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
NasmOperand oper1 = inst.op1.accept(this); NasmOperand oper1 = inst.op1.accept(this);
NasmOperand result = inst.result.accept(this); NasmOperand oper2 = inst.op2.accept(this);
nasm.ajouteInst(new NasmMov(label, inst.result.accept(this), inst.op1.accept(this),"")); NasmOperand dest = inst.result.accept(this);
nasm.ajouteInst(new NasmInst() { nasm.ajouteInst(new NasmMov(label, dest, oper1, ""));
void addLabel(String formatInst, NasmOperand label) { nasm.ajouteInst(new NasmAdd(null, dest, oper2, ""));
super.addLabel(formatInst, label);
}
});
return null; return null;
} }
// à revoir @Override
public NasmOperand visit(C3aInstDiv inst){ public NasmOperand visit(C3aInstAffect inst) {
NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null; NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
nasm.ajouteInst(new NasmMov(label, inst.result.accept(this), inst.op1.accept(this),"")); NasmOperand op1 = inst.op1.accept(this);
nasm.ajouteInst(new NasmDiv(null, inst.result.accept(this), inst.op2.accept(this),"")); NasmOperand op2 = inst.result.accept(this);
nasm.ajouteInst(new NasmMov(label, op2, op1, "#Affectation"));
return null; return null;
} }
//à revoir
@Override
public NasmOperand visit(C3aInstFEnd inst) { public NasmOperand visit(C3aInstFEnd inst) {
NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null; NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
nasm.ajouteInst(new NasmInst() { nasm.ajouteInst(new NasmAdd(label, esp, new NasmConstant(currentFct.table.getAdrVarCourante()), "désallocation des variables locales"));
void addLabel(String formatInst, NasmOperand label) { NasmRegister regeax = nasm.newRegister();
super.addLabel(formatInst, label); NasmRegister regebx = nasm.newRegister();
NasmRegister regecx = nasm.newRegister();
NasmRegister regedx = nasm.newRegister();
regeax.colorRegister(Nasm.REG_EAX);
regebx.colorRegister(Nasm.REG_EBX);
regecx.colorRegister(Nasm.REG_ECX);
regedx.colorRegister(Nasm.REG_EDX);
nasm.ajouteInst(new NasmPop(null, regedx, "#restaure edx"));
nasm.ajouteInst(new NasmPop(null, regecx, "#restaure ecx"));
nasm.ajouteInst(new NasmPop(null, regebx, "#restaure ebx"));
nasm.ajouteInst(new NasmPop(null, regeax, "#restaure eax"));
nasm.ajouteInst(new NasmPop(null, ebp, "#restaure la valeur de ebp"));
nasm.ajouteInst(new NasmRet(null, ""));
return null;
} }
});
@Override
public NasmOperand visit(C3aInstJumpIfLess inst) {
NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
NasmOperand op = nasm.newRegister();
nasm.ajouteInst(new NasmMov(label, op, inst.op1.accept(this), ""));
nasm.ajouteInst(new NasmCmp(null, op, inst.op2.accept(this), ""));
nasm.ajouteInst(new NasmJl(null, inst.result.accept(this), ""));
return null; return null;
} }
@Override
public NasmOperand visit(C3aInstJumpIfEqual inst) { public NasmOperand visit(C3aInstJumpIfEqual inst) {
NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null; NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
NasmOperand oper1 = inst.op1.accept(this); NasmOperand op = nasm.newRegister();
NasmOperand oper2 = inst.op2.accept(this); nasm.ajouteInst(new NasmMov(label, op, inst.op1.accept(this), ""));
NasmOperand result = inst.result.accept(this); nasm.ajouteInst(new NasmCmp(null, op, inst.op2.accept(this), ""));
nasm.ajouteInst(new NasmCmp(label,oper1,oper2,"")); nasm.ajouteInst(new NasmJe(null, inst.result.accept(this), ""));
nasm.ajouteInst(new NasmJe(null, result, ""));
return null; return null;
} }
@Override
public NasmOperand visit(C3aInstJumpIfNotEqual inst) { public NasmOperand visit(C3aInstJumpIfNotEqual inst) {
NasmOperand label = (inst.label != null) ? inst.label.accept(this): null;
NasmOperand oper1 = inst.op1.accept(this);
NasmOperand oper2 = inst.op2.accept(this);
NasmOperand result = inst.result.accept(this);
nasm.ajouteInst(new NasmCmp(label,oper1,oper2,""));
nasm.ajouteInst(new NasmJne(null, result, ""));
return null; return null;
} }
@Override
public NasmOperand visit(C3aInstJump inst) { public NasmOperand visit(C3aInstJump inst) {
NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null; NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
NasmOperand addr = inst.result.accept(this); nasm.ajouteInst(new NasmJmp(label, inst.result.accept(this), ""));
nasm.ajouteInst(new NasmJmp(label,addr,""));
return null; return null;
} }
@Override
public NasmOperand visit(C3aInstParam inst) { public NasmOperand visit(C3aInstParam inst) {
NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null; NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
NasmOperand addr = inst.label.accept(this); nasm.ajouteInst(new NasmPush(label, inst.op1.accept(this), "#Param"));
NasmOperand destination = inst.label.accept(this);
NasmOperand source = inst.label.accept(this);
nasm.ajouteInst(new NasmMov(label, addr, destination, source, ""));
return null; return null;
} }
@Override
public NasmOperand visit(C3aInstReturn inst) { public NasmOperand visit(C3aInstReturn inst) {
NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null; NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
nasm.ajouteInst(new NasmRet(label, "")); NasmOperand op = inst.op1.accept(this);
nasm.ajouteInst(new NasmMov(label, new NasmAddress(ebp, NasmSize.DWORD), op, "retour valeur"));
return null; return null;
} }
@Override
public NasmOperand visit(C3aInstWrite inst) { public NasmOperand visit(C3aInstWrite inst) {
nasm.ajouteInst(new NasmMov (getLabelFromC3aInst(inst))); NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
nasm.ajouteInst(new NasmCall(null, new NasmLabel("iprintLF"), "")); NasmOperand op = inst.op1.accept(this);
NasmRegister regeax = nasm.newRegister();
regeax.colorRegister(Nasm.REG_EAX);
nasm.ajouteInst(new NasmMov(label, regeax, op, "#Write 1"));
nasm.ajouteInst(new NasmCall(null, new NasmLabel("iprintLF"), "#Write 2"));
return null; return null;
} }
@Override
public NasmOperand visit(C3aInstStop inst) { public NasmOperand visit(C3aInstStop inst) {
NasmRegister registerebx = nasm.newRegister();
registerebx.colorRegister(Nasm.REG_EBX);
NasmRegister registereax = nasm.newRegister();
registereax.colorRegister(Nasm.REG_EAX);
nasm.ajouteInst(new NasmMov(null, registerebx, new NasmConstant(0), "#valeur de retour du programme"));
nasm.ajouteInst(new NasmMov(null, registereax, new NasmConstant(1), "#code de sortie"));
nasm.ajouteInst(new NasmInt(null, "#sys call"));
return null; return null;
} }
@Override
public NasmOperand visit(C3aConstant oper) { public NasmOperand visit(C3aConstant oper) {
return null; return new NasmConstant(oper.val);
} }
@Override
public NasmOperand visit(C3aBooleanConstant oper) { public NasmOperand visit(C3aBooleanConstant oper) {
return null; return new NasmConstant(oper.val ? 1 : 0);
} }
@Override
public NasmOperand visit(C3aLabel oper) { public NasmOperand visit(C3aLabel oper) {
return new NasmLabel("l" + label.number); return new NasmLabel("l" + oper.number);
} }
public NasmOperand visit(C3aTemp oper){
return null; public NasmOperand visit(C3aTemp temp) {
return new NasmRegister(temp.num);
} }
@Override
public NasmOperand visit(C3aVar oper) { public NasmOperand visit(C3aVar oper) {
C3aOperand index = oper.index;
if (index == null) {
if (oper.item.portee == tableGlobale) {
return new NasmAddress(new NasmLabel(oper.item.getIdentif()), NasmSize.DWORD);
} else {
if (oper.item.isParam) {
int indexOfParam = (oper.item.getAdresse() / 4);
return new NasmAddress(new NasmExpPlus(ebp, new NasmConstant(8 + 4 * (oper.item.portee.getAdrArgCourante() / 4 - indexOfParam))), NasmSize.DWORD);
} else {
int indexOfVar = (oper.item.getAdresse() / 4) + 1;
return new NasmAddress(new NasmExpMinus(ebp, new NasmConstant(4 * indexOfVar)), NasmSize.DWORD);
}
}
} else {
NasmRegister r = nasm.newRegister();
nasm.ajouteInst(new NasmMov(null, r, oper.index.accept(this), ""));
nasm.ajouteInst(new NasmMul(null, r, new NasmConstant(4), ""));
if (oper.item.portee == tableGlobale) {
return new NasmAddress(new NasmExpPlus(new NasmLabel(oper.item.getIdentif()), r), NasmSize.DWORD);
} else {
return null; return null;
} }
public NasmOperand visit(C3aFunction oper){ }
return null;
} }
@Override
public NasmOperand visit(C3aFunction oper) {
return new NasmLabel(oper.val.identif);
}
} }
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