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assemblygenerate.c
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assemblygenerate.c
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#include <math.h>
#include "globals.h"
#include "codegenerate.h"
#include "symboltable.h"
#include "assemblygenerate.h"
//Code goes from pos 1 to pos 5000
#define codeStart 1
//Temporarys go from pos 5001 to pos 5033
#define tempStart 5001
//Heap starts at 5034 and goes up
#define heapStart 5034
//Global variables start at 9999 and ends at nextFramePointer (9500)
#define globalStart 10000
//Stack mem pos start (1 before pointers area end)
#define stackStart 9497
//Last mem pos is next frame pointer
#define nextFramePointer 9499
//Current frame pointer is position 9498
#define currFramePointer 9498
//Heap pointer is mem position 9497
#define heapPointer 9497
/* Global variables definition */
FILE * assemblycode;
FILE * binarycode;
int codeLine = codeStart;
/* Scope name stack definitions */
char *scopeNameStack[SIZE];
int scopeNameTop = 0;
void pushScopeNameStack(char *name){
scopeNameStack[scopeNameTop++] = name;
}
void popScopeNameStack(){
scopeNameTop--;
}
char *currScopeName(){
return scopeNameStack[scopeNameTop-1];
}
/* Label array definitions and functions */
int currentLabel = 0;
int topLabel = 255;
int *labelArray;
void insertLabel(int line_num, int label_num){
if(currentLabel == 0){
labelArray = malloc(topLabel*sizeof(int));
}else{
if(currentLabel == topLabel-1){
topLabel = topLabel*2;
labelArray = realloc(labelArray, topLabel*sizeof(int));
}
}
labelArray[label_num] = line_num;
currentLabel++;
}
int getLabel(int label_num){
return labelArray[label_num];
}
void getAddress(assemblyListS A, QuadrupleList Q, varFieldType vfType, int field){
switch (vfType)
{
case tempVar:
//Temporarios sempre têm endereco tempStart (base) + offset (predefinido em software)
switch (field)
{
case 1:
fprintf(assemblycode, "LDXI %d\n", tempStart+Q->CurrQuad.firstField.val);
insertAssemblyLine(A, LDXI, number, NULL, tempStart+Q->CurrQuad.firstField.val);
break;
case 2:
fprintf(assemblycode, "LDXI %d\n", tempStart+Q->CurrQuad.secField.val);
insertAssemblyLine(A, LDXI, number, NULL, tempStart+Q->CurrQuad.secField.val);
break;
case 3:
fprintf(assemblycode, "LDXI %d\n", tempStart+Q->CurrQuad.thirdField.val);
insertAssemblyLine(A, LDXI, number, NULL, tempStart+Q->CurrQuad.thirdField.val);
break;
default:
break;
}
break;
case Var:
switch (field)
{
case 1:
if (!st_isGlobal(Q->CurrQuad.firstField.name, currScopeName()))
{
fprintf(assemblycode, "LDXI %d\n",
currFramePointer); //Pega o apontador de current frame pointer
insertAssemblyLine(A, LDXI, number, NULL, currFramePointer);
fprintf(assemblycode, "PHA\n");
insertAssemblyLine(A, PHA, -1, NULL, -1);
fprintf(assemblycode, "LDA 0\n"); //Pega o endereço do registro atual
insertAssemblyLine(A, LDA, number, NULL, 0);
fprintf(assemblycode, "TAX\n"); //X recebe endereço base do reg. de ativ.
insertAssemblyLine(A, TAX, -1, NULL, -1);
fprintf(assemblycode, "PLA\n");
insertAssemblyLine(A, PLA, -1, NULL, -1);
}else{
fprintf(assemblycode, "LDXI %d\n",
globalStart); //Pega o apontador para a area de alocacoes globais
insertAssemblyLine(A, LDXI, number, NULL, globalStart);
}
break;
case 2:
if (!st_isGlobal(Q->CurrQuad.secField.name, currScopeName()))
{
fprintf(assemblycode, "LDXI %d\n",
currFramePointer); //Pega o apontador de current frame pointer
insertAssemblyLine(A, LDXI, number, NULL, currFramePointer);
fprintf(assemblycode, "PHA\n");
insertAssemblyLine(A, PHA, -1, NULL, -1);
fprintf(assemblycode, "LDA 0\n"); //Pega o endereço do registro atual
insertAssemblyLine(A, LDA, number, NULL, 0);
fprintf(assemblycode, "TAX\n"); //X recebe endereço base do reg. de ativ.
insertAssemblyLine(A, TAX, -1, NULL, -1);
fprintf(assemblycode, "PLA\n");
insertAssemblyLine(A, PLA, -1, NULL, -1);
}else{
fprintf(assemblycode, "LDXI %d\n",
globalStart); //Pega o apontador para a area de alocacoes globais
insertAssemblyLine(A, LDXI, number, NULL, globalStart);
}
break;
case 3:
if (!st_isGlobal(Q->CurrQuad.thirdField.name, currScopeName()))
{
fprintf(assemblycode, "LDXI %d\n",
currFramePointer); //Pega o apontador de current frame pointer
insertAssemblyLine(A, LDXI, number, NULL, currFramePointer);
fprintf(assemblycode, "PHA\n");
insertAssemblyLine(A, PHA, -1, NULL, -1);
fprintf(assemblycode, "LDA 0\n"); //Pega o endereço do registro atual
insertAssemblyLine(A, LDA, number, NULL, 0);
fprintf(assemblycode, "TAX\n"); //X recebe endereço base do reg. de ativ.
insertAssemblyLine(A, TAX, -1, NULL, -1);
fprintf(assemblycode, "PLA\n");
insertAssemblyLine(A, PLA, -1, NULL, -1);
}else{
fprintf(assemblycode, "LDXI %d\n",
globalStart); //Pega o apontador para a area de alocacoes globais
insertAssemblyLine(A, LDXI, number, NULL, globalStart);
}
break;
default:
break;
}
break;
case arrVar:
switch (field)
{
case 1:
if (!st_isGlobal(Q->CurrQuad.firstField.arr.name, currScopeName()))
{
fprintf(assemblycode, "LDXI %d\n",
currFramePointer); //Pega o apontador de current frame pointer
insertAssemblyLine(A, LDXI, number, NULL, currFramePointer);
fprintf(assemblycode, "PHA\n");
insertAssemblyLine(A, PHA, -1, NULL, -1);
fprintf(assemblycode, "LDA 0\n"); //Pega endereço base do registro atual
insertAssemblyLine(A, LDA, number, NULL, 0);
}else{
fprintf(assemblycode, "LDXI %d\n",
globalStart); //Pega o apontador para a area de alocacoes globais
insertAssemblyLine(A, LDXI, number, NULL, globalStart);
fprintf(assemblycode, "PHA\n");
insertAssemblyLine(A, PHA, -1, NULL, -1);
//Acc recebe base da area global
fprintf(assemblycode, "TXA\n");
insertAssemblyLine(A, TXA, -1, NULL, -1);
}
//Soma endereço base do reg. de ativ. com offset da sym_tab = contem endereço base do vet na mem
fprintf(assemblycode, "SBCI %d\n",
st_lookup_mempos(Q->CurrQuad.firstField.arr.name, currScopeName()));
insertAssemblyLine(A, SBCI, number, NULL,
st_lookup_mempos(Q->CurrQuad.firstField.arr.name, currScopeName()));
fprintf(assemblycode, "TAX\n"); //X = endereco q contem endereço base do vet
insertAssemblyLine(A, TAX, -1, NULL, -1);
fprintf(assemblycode, "LDA 0\n"); //Acc contem endereço base do vet no heap
insertAssemblyLine(A, LDA, number, NULL, 0);
//X recebe endereco do temporario que contem o calc do indice
fprintf(assemblycode, "LDXI %d\n", Q->CurrQuad.firstField.arr.arrNum+tempStart);
insertAssemblyLine(A, LDXI, number, NULL, Q->CurrQuad.firstField.arr.arrNum+tempStart);
fprintf(assemblycode, "SBC 0\n"); //Acc = endereco base do vet no heap + mem[temporario] (indice)
insertAssemblyLine(A, ADC, number, NULL, 0);
fprintf(assemblycode, "TAX\n"); //X = endereco de interesse (vet[t0])
insertAssemblyLine(A, TAX, -1, NULL, -1);
fprintf(assemblycode, "PLA\n");
insertAssemblyLine(A, PLA, -1, NULL, -1);
break;
case 2:
if (!st_isGlobal(Q->CurrQuad.secField.arr.name, currScopeName()))
{
fprintf(assemblycode, "LDXI %d\n",
currFramePointer); //Pega o apontador de current frame pointer
insertAssemblyLine(A, LDXI, number, NULL, currFramePointer);
fprintf(assemblycode, "PHA\n");
insertAssemblyLine(A, PHA, -1, NULL, -1);
fprintf(assemblycode, "LDA 0\n"); //Pega endereço base do registro atual
insertAssemblyLine(A, LDA, number, NULL, 0);
}else{
fprintf(assemblycode, "LDXI %d\n",
globalStart); //Pega o apontador para a area de alocacoes globais
insertAssemblyLine(A, LDXI, number, NULL, globalStart);
fprintf(assemblycode, "PHA\n");
insertAssemblyLine(A, PHA, -1, NULL, -1);
//Acc recebe base da area global
fprintf(assemblycode, "TXA\n");
insertAssemblyLine(A, TXA, -1, NULL, -1);
}
//Soma endereço base do reg. de ativ. com offset da sym_tab = contem endereço base do vet na mem
fprintf(assemblycode, "SBCI %d\n",
st_lookup_mempos(Q->CurrQuad.secField.arr.name, currScopeName()));
insertAssemblyLine(A, SBCI, number, NULL,
st_lookup_mempos(Q->CurrQuad.secField.arr.name, currScopeName()));
fprintf(assemblycode, "TAX\n"); //X = endereco q contem endereço base do vet
insertAssemblyLine(A, TAX, -1, NULL, -1);
fprintf(assemblycode, "LDA 0\n"); //Acc contem endereço base do vet no heap
insertAssemblyLine(A, LDA, number, NULL, 0);
//X recebe endereco do temporario que contem o calc do indice
fprintf(assemblycode, "LDXI %d\n", Q->CurrQuad.secField.arr.arrNum+tempStart);
insertAssemblyLine(A, LDXI, number, NULL, Q->CurrQuad.secField.arr.arrNum+tempStart);
fprintf(assemblycode, "SBC 0\n"); //Acc = endereco base do vet no heap + mem[temporario]
insertAssemblyLine(A, ADC, number, NULL, 0);
fprintf(assemblycode, "TAX\n"); //X = endereco de interesse (vet[t0])
insertAssemblyLine(A, TAX, -1, NULL, -1);
fprintf(assemblycode, "PLA\n");
insertAssemblyLine(A, PLA, -1, NULL, -1);
break;
case 3:
if (!st_isGlobal(Q->CurrQuad.thirdField.arr.name, currScopeName()))
{
fprintf(assemblycode, "LDXI %d\n",
currFramePointer); //Pega o apontador de current frame pointer
insertAssemblyLine(A, LDXI, number, NULL, currFramePointer);
fprintf(assemblycode, "PHA\n");
insertAssemblyLine(A, PHA, -1, NULL, -1);
//Acc recebe endereco base do registro
fprintf(assemblycode, "LDA 0\n");
insertAssemblyLine(A, LDA, number, NULL, 0);
}else{
fprintf(assemblycode, "LDXI %d\n",
globalStart); //Pega o apontador para a area de alocacoes globais
insertAssemblyLine(A, LDXI, number, NULL, globalStart);
fprintf(assemblycode, "PHA\n");
insertAssemblyLine(A, PHA, -1, NULL, -1);
//Acc recebe base da area global
fprintf(assemblycode, "TXA\n");
insertAssemblyLine(A, TXA, -1, NULL, -1);
}
fprintf(assemblycode, "SBCI %d\n",
st_lookup_mempos(Q->CurrQuad.thirdField.arr.name, currScopeName()));
insertAssemblyLine(A, SBCI, number, NULL,
st_lookup_mempos(Q->CurrQuad.thirdField.arr.name, currScopeName()));
fprintf(assemblycode, "TAX\n"); //X = endereco q contem endereço base do vet
insertAssemblyLine(A, TAX, -1, NULL, -1);
fprintf(assemblycode, "LDA 0\n"); //Acc contem endereço base do vet no heap
insertAssemblyLine(A, LDA, number, NULL, 0);
//X recebe endereco do temporario que contem o calc do indice
fprintf(assemblycode, "LDXI %d\n", Q->CurrQuad.thirdField.arr.arrNum+tempStart);
insertAssemblyLine(A, LDXI, number, NULL, Q->CurrQuad.thirdField.arr.arrNum+tempStart);
fprintf(assemblycode, "SBC 0\n"); //Acc = endereco base do vet no heap + mem[temporario]
insertAssemblyLine(A, ADC, number, NULL, 0);
fprintf(assemblycode, "TAX\n"); //X = endereco de interesse (vet[t0])
insertAssemblyLine(A, TAX, -1, NULL, -1);
fprintf(assemblycode, "PLA\n");
insertAssemblyLine(A, PLA, -1, NULL, -1);
break;
default:
break;
}
break;
}
}
void printQList(QuadrupleList QList){
QuadrupleList Q;
assemblyListS A;
//If there is no scope, insert global scope
if(scopeNameTop == 0){
pushScopeNameStack("global");
//Start pointers
fprintf(assemblycode, "LDXI %d\n", nextFramePointer);
A = createAssemblyList(LDXI, number, NULL, nextFramePointer);
fprintf(assemblycode, "LDAI %d\n", stackStart);
insertAssemblyLine(A, LDAI, number, NULL, stackStart);
fprintf(assemblycode, "STA 0\n");
insertAssemblyLine(A, STA, number, NULL, 0);
fprintf(assemblycode, "LDXI %d\n", currFramePointer);
insertAssemblyLine(A, LDXI, number, NULL, currFramePointer);
fprintf(assemblycode, "STA 0\n"); //next FP e curr FP apontam pra base da pilha
insertAssemblyLine(A, STA, number, NULL, 0);
fprintf(assemblycode, "TAX\n");
insertAssemblyLine(A, TAX, -1, NULL, -1);
fprintf(assemblycode, "TXS\n"); //Coloca apontador da pilha na posicao correta
insertAssemblyLine(A, TXS, -1, NULL, -1);
fprintf(assemblycode, "LDXI %d\n", heapPointer);
insertAssemblyLine(A, LDXI, number, NULL, heapPointer);
fprintf(assemblycode, "LDAI %d\n", heapStart);
insertAssemblyLine(A, LDAI, number, NULL, heapStart);
fprintf(assemblycode, "STA 0\n"); //HeapPointer aponta pro comeco do heap
insertAssemblyLine(A, STA, number, NULL, 0);
}
for(Q = QList; Q != NULL; Q = Q->next){
switch (Q->CurrQuad.Lab)
{
case CalcQuad:
//Primeiro pega firstField (estara em acc)
//Depois pega secField (sera operado da memoria)
//Depois pega thirdField (endereco do store)
switch (Q->CurrQuad.ffType)
{
case Var:
getAddress(A, Q, Var, 1);
//Faz load na posicao base (X) + offset (sym_tab)
fprintf(assemblycode, "LDA %d\n",
-st_lookup_mempos(Q->CurrQuad.firstField.name, currScopeName()));
insertAssemblyLine(A, LDA, number, NULL,
-st_lookup_mempos(Q->CurrQuad.firstField.name, currScopeName()));
break;
case tempVar:
getAddress(A, Q, tempVar, 1);
//Faz load da pos X
fprintf(assemblycode, "LDA 0\n");
insertAssemblyLine(A, LDA, number, NULL, 0);
break;
case arrVar:
getAddress(A, Q, arrVar, 1);
//Faz load da pos X
fprintf(assemblycode, "LDA 0\n");
insertAssemblyLine(A, LDA, number, NULL, 0);
break;
case constVar:
fprintf(assemblycode, "LDAI %d\n", Q->CurrQuad.firstField.val);
insertAssemblyLine(A, LDAI, number, NULL, Q->CurrQuad.firstField.val);
break;
default:
break;
}
switch (Q->CurrQuad.sfType)
{
case Var:
getAddress(A, Q, Var, 2);
switch (Q->CurrQuad.QuadT.TType)
{
case SOM:
fprintf(assemblycode, "ADC %d\n",
-st_lookup_mempos(Q->CurrQuad.secField.name, currScopeName()));
insertAssemblyLine(A, ADC, number, NULL,
-st_lookup_mempos(Q->CurrQuad.secField.name, currScopeName()));
break;
case SUB:
fprintf(assemblycode, "SBC %d\n",
-st_lookup_mempos(Q->CurrQuad.secField.name, currScopeName()));
insertAssemblyLine(A, SBC, number, NULL,
-st_lookup_mempos(Q->CurrQuad.secField.name, currScopeName()));
break;
case IME:
case MEN:
case MAI:
case IMA:
case IGL:
case DIF:
fprintf(assemblycode, "CMP %d\n",
-st_lookup_mempos(Q->CurrQuad.secField.name, currScopeName()));
insertAssemblyLine(A, CMP, number, NULL,
-st_lookup_mempos(Q->CurrQuad.secField.name, currScopeName()));
break;
case MUL:
fprintf(assemblycode, "MUL %d\n",
-st_lookup_mempos(Q->CurrQuad.secField.name, currScopeName()));
insertAssemblyLine(A, MULP, number, NULL,
-st_lookup_mempos(Q->CurrQuad.secField.name, currScopeName()));
break;
case DIV:
fprintf(assemblycode, "DIV %d\n",
-st_lookup_mempos(Q->CurrQuad.secField.name, currScopeName()));
insertAssemblyLine(A, DIVS, number, NULL,
-st_lookup_mempos(Q->CurrQuad.secField.name, currScopeName()));
break;
}
break;
case tempVar:
getAddress(A, Q, tempVar, 2);
switch (Q->CurrQuad.QuadT.TType)
{
case SOM:
fprintf(assemblycode, "ADC 0\n");
insertAssemblyLine(A, ADC, number, NULL, 0);
break;
case SUB:
fprintf(assemblycode, "SBC 0\n");
insertAssemblyLine(A, SBC, number, NULL, 0);
break;
case IME:
case MEN:
case MAI:
case IMA:
case IGL:
case DIF:
fprintf(assemblycode, "CMP 0\n");
insertAssemblyLine(A, CMP, number, NULL, 0);
break;
case MUL:
fprintf(assemblycode, "MUL 0\n");
insertAssemblyLine(A, MULP, number, NULL, 0);
break;
case DIV:
fprintf(assemblycode, "DIV 0\n");
insertAssemblyLine(A, DIVS, number, NULL, 0);
break;
}
break;
case arrVar:
getAddress(A, Q, arrVar, 2);
switch (Q->CurrQuad.QuadT.TType)
{
case SOM:
fprintf(assemblycode, "ADC 0\n");
insertAssemblyLine(A, ADC, number, NULL, 0);
break;
case SUB:
fprintf(assemblycode, "SBC 0\n");
insertAssemblyLine(A, SBC, number, NULL, 0);
break;
case IME:
case MEN:
case MAI:
case IMA:
case IGL:
case DIF:
fprintf(assemblycode, "CMP 0\n");
insertAssemblyLine(A, CMP, number, NULL, 0);
break;
case MUL:
fprintf(assemblycode, "MUL 0\n");
insertAssemblyLine(A, MULP, number, NULL, 0);
break;
case DIV:
fprintf(assemblycode, "DIV 0\n");
insertAssemblyLine(A, DIVS, number, NULL, 0);
break;
}
break;
case constVar:
switch (Q->CurrQuad.QuadT.TType)
{
case SOM:
fprintf(assemblycode, "ADCI %d\n", Q->CurrQuad.secField.val);
insertAssemblyLine(A, ADCI, number, NULL, Q->CurrQuad.secField.val);
break;
case SUB:
fprintf(assemblycode, "SBCI %d\n", Q->CurrQuad.secField.val);
insertAssemblyLine(A, SBCI, number, NULL, Q->CurrQuad.secField.val);
break;
case IME:
case MEN:
case MAI:
case IMA:
case IGL:
case DIF:
fprintf(assemblycode, "CPI %d\n", Q->CurrQuad.secField.val);
insertAssemblyLine(A, CPI, number, NULL, Q->CurrQuad.secField.val);
break;
case MUL:
fprintf(assemblycode, "MULI %d\n", Q->CurrQuad.secField.val);
insertAssemblyLine(A, MULPI, number, NULL, Q->CurrQuad.secField.val);
break;
case DIV:
fprintf(assemblycode, "DIVI %d\n", Q->CurrQuad.secField.val);
insertAssemblyLine(A, DIVSI, number, NULL, Q->CurrQuad.secField.val);
break;
}
break;
}
switch (Q->CurrQuad.tfType)
{
case Var:
getAddress(A, Q, Var, 3);
//Faz load na posicao base (X) + offset (sym_tab)
fprintf(assemblycode, "STA %d\n",
-st_lookup_mempos(Q->CurrQuad.thirdField.name, currScopeName()));
insertAssemblyLine(A, STA, number, NULL,
-st_lookup_mempos(Q->CurrQuad.thirdField.name, currScopeName()));
break;
case tempVar:
getAddress(A, Q, tempVar, 3);
//Faz load da pos X
fprintf(assemblycode, "STA 0\n");
insertAssemblyLine(A, STA, number, NULL, 0);
break;
case arrVar:
getAddress(A, Q, arrVar, 3);
//Faz load da pos X
fprintf(assemblycode, "STA 0\n");
insertAssemblyLine(A, STA, number, NULL, 0);
break;
default:
break;
}
break;
case NQuad:
switch (Q->CurrQuad.QuadT.QType)
{
case FUN_DECL:
fprintf(assemblycode, " %s\n", Q->CurrQuad.thirdField.name);
int isMain = strcmp(Q->CurrQuad.thirdField.name, "main");
pushScopeNameStack(Q->CurrQuad.thirdField.name);
st_changeFuncLine(Q->CurrQuad.thirdField.name, codeLine, 0);
if(isMain != 0){
fprintf(assemblycode, "PLA\n");
insertAssemblyLine(A, PLA, -1, NULL, -1);
fprintf(assemblycode, "TAY\n"); //Acc tem PC (logo apos JSR)
insertAssemblyLine(A, TAY, -1, NULL, -1);
}
fprintf(assemblycode, "LDXI %d\n", nextFramePointer); //Ponteiro de next frame pointer
insertAssemblyLine(A, LDXI, number, NULL, nextFramePointer);
fprintf(assemblycode, "LDA 0\n"); //Acc tem endereço de next frame pointer
insertAssemblyLine(A, LDA, number, NULL, 0);
fprintf(assemblycode, "LDXI %d\n", currFramePointer); //Ponteiro de current frame pointer
insertAssemblyLine(A, LDXI, number, NULL, currFramePointer);
fprintf(assemblycode, "STA 0\n"); //Current frame pointer recebe next frame pointer
insertAssemblyLine(A, STA, number, NULL, 0);
//Acc passa a ter next frame pointer + reserva de endereços para
//Argumentos e locais
fprintf(assemblycode, "SBCI %d\n",
st_lookup_scope(Q->CurrQuad.thirdField.name)->scopeCount);
insertAssemblyLine(A, SBCI, number, NULL,
st_lookup_scope(Q->CurrQuad.thirdField.name)->scopeCount);
fprintf(assemblycode, "TAX\n"); //Acc para X
insertAssemblyLine(A, TAX, -1, NULL, -1);
fprintf(assemblycode, "TXS\n"); //Pilha apontara para o fim da alocacao do reg de ativ.
insertAssemblyLine(A, TXS, -1, NULL, -1);
if(isMain != 0){
fprintf(assemblycode, "TYA\n"); //Acc recebe PC
insertAssemblyLine(A, TYA, -1, NULL, -1);
fprintf(assemblycode, "PHA\n"); //Coloca PC na pilha
insertAssemblyLine(A, PHA, -1, NULL, -1);
}
fprintf(assemblycode, "LDXI %d\n", currFramePointer); //Ponteiro pra current frame pointer
insertAssemblyLine(A, LDXI, number, NULL, currFramePointer);
fprintf(assemblycode, "LDA 0\n"); //Acc recebe current frame pointer
insertAssemblyLine(A, LDA, number, NULL, 0);
fprintf(assemblycode, "PHA\n"); //Coloca current frame pointer na pilha
insertAssemblyLine(A, PHA, -1, NULL, -1);
fprintf(assemblycode, "TSX\n"); //Transfere endereco da pilha pra X
insertAssemblyLine(A, TSX, -1, NULL, -1);
fprintf(assemblycode, "TXA\n"); //Acc recebe endereco da pilha
insertAssemblyLine(A, TXA, -1, NULL, -1);
fprintf(assemblycode, "LDXI %d\n", nextFramePointer); //Ponteiro pra next frame pointer
insertAssemblyLine(A, LDXI, number, NULL, nextFramePointer);
fprintf(assemblycode, "STA 0\n"); //Next frame pointer recebe o topo da pilha
insertAssemblyLine(A, STA, number, NULL, 0);
break;
case FUN_END:
st_changeFuncLine(Q->CurrQuad.thirdField.name, codeLine, 1);
if(strcmp(Q->CurrQuad.thirdField.name, "main") == 0){
fprintf(assemblycode, "SFF\n");
insertAssemblyLine(A, SFF, -1, NULL, -1);
}else{
popScopeNameStack();
fprintf(assemblycode, "PLA\n"); //Pega o current frame pointer da pilha
insertAssemblyLine(A, PLA, -1, NULL, -1);
fprintf(assemblycode, "LDXI %d\n", nextFramePointer); //Ponteiro pra next frame pointer
insertAssemblyLine(A, LDXI, number, NULL, nextFramePointer);
fprintf(assemblycode, "STA 0\n"); //Next frame pointer recebe current frame pointer
insertAssemblyLine(A, STA, number, NULL, 0);
fprintf(assemblycode, "RTS\n"); //Retorna da subrotina (desempilha PC)
insertAssemblyLine(A, RTS, -1, NULL, -1);
}
break;
case CALL:
if(strcmp(Q->CurrQuad.firstField.name, "input") == 0){
fprintf(assemblycode, "INT\n");
insertAssemblyLine(A, INPT, -1, NULL, -1);
}else if(strcmp(Q->CurrQuad.firstField.name, "output") == 0){
fprintf(assemblycode, "PLA\n"); //Param e 1 so e esta na pilha
insertAssemblyLine(A, PLA, -1, NULL, -1);
fprintf(assemblycode, "TAY\n"); //Output sempre sai de Y
insertAssemblyLine(A, TAY, -1, NULL, -1);
fprintf(assemblycode, "OUP\n");
insertAssemblyLine(A, OUP, -1, NULL, -1);
fprintf(assemblycode, "BRK\n");
insertAssemblyLine(A, BRK, -1, NULL, -1);
}else if(strcmp(Q->CurrQuad.firstField.name, "main") == 0){
fprintf(assemblycode, "JMP main\n");
insertAssemblyLine(A, JMP, string, "main", -1);
}else if(strcmp(Q->CurrQuad.firstField.name, "changeContext") == 0){
fprintf(assemblycode, "TSX\n");
insertAssemblyLine(A, TSX, -1, NULL, -1);
fprintf(assemblycode, "TXA\n");
insertAssemblyLine(A, TXA, -1, NULL, -1);
fprintf(assemblycode, "LDXI 0\n");
insertAssemblyLine(A, LDXI, number, NULL, 0);
fprintf(assemblycode, "STA 0\n");
insertAssemblyLine(A, STA, number, NULL, 0);
fprintf(assemblycode, "PLA\n");
insertAssemblyLine(A, PLA, -1, NULL, -1);
fprintf(assemblycode, "PHA\n");
insertAssemblyLine(A, PHA, -1, NULL, -1);
fprintf(assemblycode, "ADCI 1\n");
insertAssemblyLine(A, ADCI, number, NULL, 1);
fprintf(assemblycode, "MULPI 10000\n");
insertAssemblyLine(A, MULPI, number, NULL, 10000);
fprintf(assemblycode, "TAX\n");
insertAssemblyLine(A, TAX, -1, NULL, -1);
fprintf(assemblycode, "TXAX\n");
insertAssemblyLine(A, TXAX, -1, NULL, -1);
fprintf(assemblycode, "PLA\n");
insertAssemblyLine(A, PLA, -1, NULL, -1);
fprintf(assemblycode, "MULPI 6\n");
insertAssemblyLine(A, MULPI, number, NULL, 6);
fprintf(assemblycode, "TAX\n");
insertAssemblyLine(A, TAX, -1, NULL, -1);
fprintf(assemblycode, "LDA 9504\n");
insertAssemblyLine(A, LDA, number, NULL, 9504);
fprintf(assemblycode, "PHA\n");
insertAssemblyLine(A, PHA, -1, NULL, -1);
fprintf(assemblycode, "PLP\n");
insertAssemblyLine(A, PLP, -1, NULL, -1);
fprintf(assemblycode, "LDA 9505\n");
insertAssemblyLine(A, LDA, number, NULL, 9505);
fprintf(assemblycode, "PHA\n");
insertAssemblyLine(A, PHA, -1, NULL, -1);
fprintf(assemblycode, "PLPC\n");
insertAssemblyLine(A, PLPC, -1, NULL, -1);
fprintf(assemblycode, "TXA\n");
insertAssemblyLine(A, TXA, -1, NULL, -1);
fprintf(assemblycode, "TAY\n");
insertAssemblyLine(A, TAY, -1, NULL, -1);
fprintf(assemblycode, "LDA 9501\n");
insertAssemblyLine(A, LDA, number, NULL, 9501);
fprintf(assemblycode, "TAX\n");
insertAssemblyLine(A, TAX, -1, NULL, -1);
fprintf(assemblycode, "TXS\n");
insertAssemblyLine(A, TXS, -1, NULL, -1);
fprintf(assemblycode, "TYA\n");
insertAssemblyLine(A, TYA, -1, NULL, -1);
fprintf(assemblycode, "TAX\n");
insertAssemblyLine(A, TAX, -1, NULL, -1);
fprintf(assemblycode, "LDY 9503\n");
insertAssemblyLine(A, LDY, number, NULL, 9503);
fprintf(assemblycode, "LDA 9500\n");
insertAssemblyLine(A, LDA, number, NULL, 9500);
fprintf(assemblycode, "LDX 9502\n");
insertAssemblyLine(A, LDX, number, NULL, 9502);
fprintf(assemblycode, "SPC\n");
insertAssemblyLine(A, SPC, -1, NULL, -1);
}else if(strcmp(Q->CurrQuad.firstField.name, "stackRegisters") == 0){
fprintf(assemblycode, "OS line\n");
//Transfer X on Aux Reg
fprintf(assemblycode, "TXAX\n");
insertAssemblyLine(A, TXAX, -1, NULL, -1);
fprintf(assemblycode, "LDXI 0\n");
insertAssemblyLine(A, LDXI, number, NULL, 0);
//Store A on temp[0] (mem[5001+0])
fprintf(assemblycode, "STA 5001\n");
insertAssemblyLine(A, STA, number, NULL, 5001);
fprintf(assemblycode, "TSX\n");
insertAssemblyLine(A, TSX, -1, NULL, -1);
fprintf(assemblycode, "TXA\n");
insertAssemblyLine(A, TXA, -1, NULL, -1);
fprintf(assemblycode, "LDXI 0\n");
insertAssemblyLine(A, LDXI, number, NULL, 0);
fprintf(assemblycode, "STA 5002\n");
insertAssemblyLine(A, STA, number, NULL, 5002);
fprintf(assemblycode, "LDA 0\n");
insertAssemblyLine(A, LDA, number, NULL, 0);
fprintf(assemblycode, "TAX\n");
insertAssemblyLine(A, TAX, -1, NULL, -1);
fprintf(assemblycode, "TXS\n");
insertAssemblyLine(A, TXS, -1, NULL, -1);
fprintf(assemblycode, "PHPC\n");
insertAssemblyLine(A, PHPC, -1, NULL, -1);
fprintf(assemblycode, "PHP\n");
insertAssemblyLine(A, PHP, -1, NULL, -1);
fprintf(assemblycode, "TYA\n");
insertAssemblyLine(A, TYA, -1, NULL, -1);
fprintf(assemblycode, "PHA\n");
insertAssemblyLine(A, PHA, -1, NULL, -1);
fprintf(assemblycode, "TAXX\n");
insertAssemblyLine(A, TAXX, -1, NULL, -1);
fprintf(assemblycode, "TXA\n");
insertAssemblyLine(A, TXA, -1, NULL, -1);
fprintf(assemblycode, "PHA\n");
insertAssemblyLine(A, PHA, -1, NULL, -1);
fprintf(assemblycode, "LDXI 0\n");
insertAssemblyLine(A, LDXI, number, NULL, 0);
fprintf(assemblycode, "LDA 5002\n");
insertAssemblyLine(A, LDA, number, NULL, 5002);
fprintf(assemblycode, "PHA\n");
insertAssemblyLine(A, PHA, -1, NULL, -1);
fprintf(assemblycode, "LDA 5001\n");
insertAssemblyLine(A, LDA, number, NULL, 5001);
fprintf(assemblycode, "PHA\n");
insertAssemblyLine(A, PHA, -1, NULL, -1);
}else if(strcmp(Q->CurrQuad.firstField.name, "storeRegisters") == 0){
fprintf(assemblycode, "PLA\n");
insertAssemblyLine(A, PLA, -1, NULL, -1);
fprintf(assemblycode, "MULPI 6\n");
insertAssemblyLine(A, MULPI, number, NULL, 6);
fprintf(assemblycode, "TAX\n");
insertAssemblyLine(A, TAX, -1, NULL, -1);
fprintf(assemblycode, "PLA\n");
insertAssemblyLine(A, PLA, -1, NULL, -1);
fprintf(assemblycode, "STA\n");
insertAssemblyLine(A, STA, number, NULL, 9500);
fprintf(assemblycode, "PLA\n");
insertAssemblyLine(A, PLA, -1, NULL, -1);
fprintf(assemblycode, "STA\n");
insertAssemblyLine(A, STA, number, NULL, 9501);
fprintf(assemblycode, "PLA\n");
insertAssemblyLine(A, PLA, -1, NULL, -1);
fprintf(assemblycode, "STA\n");
insertAssemblyLine(A, STA, number, NULL, 9502);