diff --git a/src/nasm/C3a2nasm.java b/src/nasm/C3a2nasm.java
index 3475c263e0ed28dadc53ba44d68bec1baa85e2df..c03757895d2ed834a3355b6f50c159c409ffea9b 100644
--- a/src/nasm/C3a2nasm.java
+++ b/src/nasm/C3a2nasm.java
@@ -10,204 +10,297 @@ public class C3a2nasm implements C3aVisitor <NasmOperand> {
private TsItemFct currentFct;
private NasmRegister esp;
private NasmRegister ebp;
- private NasmLabel label;
-
- public C3a2nasm(C3a c3a, Ts tableGlobale){
- this.c3a = c3a;
- nasm = new Nasm(tableGlobale);
- nasm.setTempCounter(c3a.getTempCounter());
- this.tableGlobale = tableGlobale;
- this.currentFct = null;
- esp = new NasmRegister(-1);
- esp.colorRegister(Nasm.REG_ESP);
+ public C3a2nasm(C3a c3a, Ts tableGlobale) {
+ this.c3a = c3a;
+ nasm = new Nasm(tableGlobale);
+ nasm.setTempCounter(c3a.getTempCounter());
- ebp = new NasmRegister(-1);
- ebp.colorRegister(Nasm.REG_EBP);
+ this.tableGlobale = tableGlobale;
+ this.currentFct = null;
+ esp = new NasmRegister(-1);
+ esp.colorRegister(Nasm.REG_ESP);
+
+ ebp = new NasmRegister(-1);
+ 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){
- return null;
+ C3aConstant -> NasmConstant
+ C3aTemp -> NasmRegister
+ C3aLabel -> NasmLabel
+ C3aFunction -> NasmLabel
+ C3aVar -> NasmAddress
+ --------------------------------------------------------------------------------------------------------------*/
+
+
+ @Override
+ public NasmOperand visit(C3aInstCall inst) {
+ NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
+ nasm.ajouteInst(new NasmSub(label, esp, new NasmConstant(4), "allocation mémoire pour la valeur de retour"));
+ nasm.ajouteInst(new NasmCall(null, new NasmLabel(inst.op1.val.identif), ""));
+ 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);
}
- public NasmOperand visit(C3aInstAdd inst){
- NasmOperand label = (inst.label != null) ?
- inst.label.accept(this)
- : null;
- nasm.ajouteInst(new NasmMov(label,
- inst.result.accept(this),
- inst.op1.accept(this), ""));
- nasm.ajouteInst(new NasmAdd(null,
- inst.result.accept(this),
- inst.op2.accept(this), ""));
+
+ @Override
+ public NasmOperand visit(C3aInstFBegin inst) {
+ 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;
}
- public NasmOperand visit(C3aInstCall inst){
- NasmOperand label = (inst.label != null) ? inst.label.accept(this):null;
- NasmOperand addr = inst.result.accept(this);
- nasm.ajouteInst(new NasmCall(label,addr,""));
+
+ @Override
+ public NasmOperand visit(C3aInst inst) {
return null;
}
- private NasmOperand getLabelFromC3aInst(C3aInst inst) {
- return new NasmLabel(inst.label.toString());
- }
- public NasmOperand visit(C3aInstFBegin inst){
+
+
+ @Override
+ public NasmOperand visit(C3aInstMult inst) {
NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
- nasm.ajouteInst(new NasmInst() {
- @Override
- void addLabel(String formatInst, NasmOperand label) {
- super.addLabel(formatInst, label);
- }
- });
+ NasmOperand oper1 = inst.op1.accept(this);
+ NasmOperand oper2 = inst.op2.accept(this);
+ NasmOperand dest = inst.result.accept(this);
+ nasm.ajouteInst(new NasmMov(label, dest, oper1, ""));
+ nasm.ajouteInst(new NasmMul(null, dest, oper2, ""));
return null;
}
- public NasmOperand visit(C3aInst inst){
+
+ @Override
+ public NasmOperand visit(C3aInstRead 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);
- }
- });
+ NasmRegister regeax = nasm.newRegister();
+ 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;
}
- public NasmOperand visit(C3aInstJumpIfLess inst){
- NasmOperand label = (inst.label != null) ? inst.label.accept(this): null;
+
+ @Override
+ public NasmOperand visit(C3aInstSub 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 NasmJle(null, result, ""));
+ NasmOperand dest = inst.result.accept(this);
+ nasm.ajouteInst(new NasmMov(label, dest, oper1, ""));
+ nasm.ajouteInst(new NasmSub(null, dest, oper2, ""));
return null;
}
- public NasmOperand visit(C3aInstMult inst){
+
+ @Override
+ public NasmOperand visit(C3aInstDiv inst) {
NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
- nasm.ajouteInst(new NasmMov(label, inst.result.accept(this), inst.op1.accept(this),""));
- nasm.ajouteInst(new NasmMul(null, inst.result.accept(this), inst.op2.accept(this),""));
- return null;
+ NasmRegister regeax = nasm.newRegister();
+ 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;
}
- public NasmOperand visit(C3aInstRead inst){
- nasm.ajouteInst(new NasmMov (getLabelFromC3aInst(inst),
- nasm.newRegister(),
- 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),
- nasm.newRegister() , ""));
+ @Override
+ public NasmOperand visit(C3a c3a) {
return null;
}
-
- public NasmOperand visit(C3aInstSub inst){
+ @Override
+ public NasmOperand visit(C3aInstAdd inst) {
NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
- nasm.ajouteInst(new NasmMov(label, inst.result.accept(this), inst.op1.accept(this),""));
- nasm.ajouteInst(new NasmSub(null, inst.result.accept(this), inst.op2.accept(this),""));
- return null;
- }
- public NasmOperand visit(C3aInstAffect inst) {
- NasmOperand label = (inst.label != null) ? inst.label.accept(this): null;
NasmOperand oper1 = inst.op1.accept(this);
- NasmOperand result = inst.result.accept(this);
- nasm.ajouteInst(new NasmMov(label, inst.result.accept(this), inst.op1.accept(this),""));
- nasm.ajouteInst(new NasmInst() {
- void addLabel(String formatInst, NasmOperand label) {
- super.addLabel(formatInst, label);
- }
- });
+ NasmOperand oper2 = inst.op2.accept(this);
+ NasmOperand dest = inst.result.accept(this);
+ nasm.ajouteInst(new NasmMov(label, dest, oper1, ""));
+ nasm.ajouteInst(new NasmAdd(null, dest, oper2, ""));
return null;
}
- // à revoir
- public NasmOperand visit(C3aInstDiv inst){
+ @Override
+ public NasmOperand visit(C3aInstAffect inst) {
NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
- nasm.ajouteInst(new NasmMov(label, inst.result.accept(this), inst.op1.accept(this),""));
- nasm.ajouteInst(new NasmDiv(null, inst.result.accept(this), inst.op2.accept(this),""));
+ NasmOperand op1 = inst.op1.accept(this);
+ NasmOperand op2 = inst.result.accept(this);
+ nasm.ajouteInst(new NasmMov(label, op2, op1, "#Affectation"));
return null;
}
- //à revoir
- public NasmOperand visit(C3aInstFEnd inst){
+
+
+ @Override
+ public NasmOperand visit(C3aInstFEnd inst) {
NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
- nasm.ajouteInst(new NasmInst() {
- void addLabel(String formatInst, NasmOperand label) {
- super.addLabel(formatInst, label);
- }
- });
+ nasm.ajouteInst(new NasmAdd(label, esp, new NasmConstant(currentFct.table.getAdrVarCourante()), "désallocation des variables locales"));
+ 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 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;
}
- public NasmOperand visit(C3aInstJumpIfEqual 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 NasmJe(null, result, ""));
- return null;
- }
- 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, ""));
+
+ @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;
}
- public NasmOperand visit(C3aInstJump inst){
- NasmOperand label = (inst.label != null) ? inst.label.accept(this):null;
- NasmOperand addr = inst.result.accept(this);
- nasm.ajouteInst(new NasmJmp(label,addr,""));
+
+ @Override
+ public NasmOperand visit(C3aInstJumpIfEqual 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 NasmJe(null, inst.result.accept(this), ""));
return null;
}
- public NasmOperand visit(C3aInstParam 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 NasmMov(label, addr, destination, source, ""));
+
+ @Override
+ public NasmOperand visit(C3aInstJumpIfNotEqual inst) {
return null;
}
- public NasmOperand visit(C3aInstReturn inst){
- NasmOperand label = (inst.label != null) ? inst.label.accept(this): null;
- nasm.ajouteInst(new NasmRet(label, ""));
+
+ @Override
+ public NasmOperand visit(C3aInstJump inst) {
+ NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
+ nasm.ajouteInst(new NasmJmp(label, inst.result.accept(this), ""));
return null;
}
- public NasmOperand visit(C3aInstWrite inst){
- nasm.ajouteInst(new NasmMov (getLabelFromC3aInst(inst)));
- nasm.ajouteInst(new NasmCall(null, new NasmLabel("iprintLF"), ""));
+
+ @Override
+ public NasmOperand visit(C3aInstParam inst) {
+ NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
+ nasm.ajouteInst(new NasmPush(label, inst.op1.accept(this), "#Param"));
return null;
}
- public NasmOperand visit(C3aInstStop inst){
+
+ @Override
+ public NasmOperand visit(C3aInstReturn inst) {
+ NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
+ NasmOperand op = inst.op1.accept(this);
+ nasm.ajouteInst(new NasmMov(label, new NasmAddress(ebp, NasmSize.DWORD), op, "retour valeur"));
return null;
}
- public NasmOperand visit(C3aConstant oper){
+ @Override
+ public NasmOperand visit(C3aInstWrite inst) {
+ NasmOperand label = (inst.label != null) ? inst.label.accept(this) : null;
+ 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;
}
- public NasmOperand visit(C3aBooleanConstant oper){
+
+ @Override
+ 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;
}
- public NasmOperand visit(C3aLabel oper){
- return new NasmLabel("l" + label.number);
+
+ @Override
+ public NasmOperand visit(C3aConstant oper) {
+ return new NasmConstant(oper.val);
}
- public NasmOperand visit(C3aTemp oper){
- return null;
+
+ @Override
+ public NasmOperand visit(C3aBooleanConstant oper) {
+ return new NasmConstant(oper.val ? 1 : 0);
}
- public NasmOperand visit(C3aVar oper){
- return null;
+ @Override
+ public NasmOperand visit(C3aLabel oper) {
+ return new NasmLabel("l" + oper.number);
}
- public NasmOperand visit(C3aFunction oper){
- return null;
+
+ public NasmOperand visit(C3aTemp temp) {
+ return new NasmRegister(temp.num);
}
+ @Override
+ 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;
+ }
+ }
+ }
+
+ @Override
+ public NasmOperand visit(C3aFunction oper) {
+ return new NasmLabel(oper.val.identif);
+ }
}