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compiler.y
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%{
#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <stdarg.h>
#include <iostream>
#include <fstream>
#include <string>
#include <map>
#include <vector>
#include <algorithm>
using namespace std;
typedef struct {
string name;
string type; //NUM, IDE, ARR
int initialized;
int counter;
long long int mem;
long long int local;
long long int tableSize;
} Identifier;
typedef struct {
long long int placeInStack;
long long int depth;
} Jump;
map<string, Identifier> identifierStack;
vector<string> codeStack;
vector<Jump> jumpStack;
vector<Identifier> forStack;
/*vector<long long int> initializedMem;*/
int yylex();
extern int yylineno;
int yyerror(const string str);
void pushCommand(string str);
void pushCommandOneArg(string str, long long int num);
void createIdentifier(Identifier *s, string name, long long int isLocal,
long long int isArray, string type);
void insertIdentifier(string key, Identifier i);
void removeIdentifier(string key);
void createJump(Jump *j, long long int stack, long long int depth);
void registerToMem(long long int mem);
void setRegister(string number);
void zeroRegister();
void memToRegister(long long int mem);
void registerToMem();
void add(Identifier a, Identifier b);
void addTab(Identifier a, Identifier b, Identifier aIndex, Identifier bIndex);
void sub(Identifier a, Identifier b, int isINC, int isRemoval);
void subTab(Identifier a, Identifier b, Identifier aIndex, Identifier bIndex, int isINC, int isRemoval);
void addInt(long long int command, long long int val);
long long int setToTempMem(Identifier a, Identifier aI, long long int tempMem, int isJZERO);
string decToBin(long long int dec);
long long int memCounter;
/*long long int registerValue;*/
long long int depth;
int assignFlag;
int writeFlag;
Identifier assignTarget;
string tabAssignTargetIndex = "-1";
string expressionArguments[2] = {"-1", "-1"};
string argumentsTabIndex[2] = {"-1", "-1"};
%}
%define parse.error verbose
%define parse.lac full
%union {
char* str;
long long int num;
}
%token <str> NUM
%token <str> VAR BEG END IF THEN ELSE ENDIF
%token <str> WHILE DO ENDWHILE FOR FROM ENDFOR
%token <str> WRITE READ IDE SEM TO DOWNTO
%token <str> LB RB ASG EQ LT GT LE GE NE ADD SUB MUL DIV MOD
%type <str> value
%type <str> identifier
%%
program:
VAR vdeclarations BEG commands END {
pushCommand("HALT");
}
;
vdeclarations:
vdeclarations IDE {
if(identifierStack.find($2)!=identifierStack.end()) {
cout << "Błąd [okolice linii " << yylineno \
<< "]: Kolejna deklaracja zmiennej " << $<str>2 << "." << endl;
exit(1);
}
else {
Identifier s;
createIdentifier(&s, $2, 0, 0, "IDE");
insertIdentifier($2, s);
}
}
| vdeclarations IDE LB NUM RB {
if(identifierStack.find($2)!=identifierStack.end()) {
cout << "Błąd [okolice linii " << yylineno \
<< "]: Kolejna deklaracja zmiennej " << $<str>2 << "." << endl;
exit(1);
}
else if (atoll($4) <= 0) {
cout << "Błąd [okolice linii " << yylineno \
<< "]: Deklarowanie tablicy " << $<str>2 << " o rozmiarze zero." << endl;
exit(1);
}
else {
long long int size = atoll($4);
Identifier s;
createIdentifier(&s, $2, 0, size, "ARR");
insertIdentifier($2, s);
memCounter += size;
setRegister(to_string(s.mem+1));
registerToMem(s.mem);
}
}
|
;
commands:
commands command
| command
;
command:
identifier ASG {
assignFlag = 0;
} expression SEM {
/*if(depth > 0 && assignTarget.initialized == 0){
cout << "Błąd <linia " << yylineno << ">: Warunkowa inicjalizaja zmiennej " \
<< assignTarget.name << "!" << endl;
exit(1);
}*/
if(assignTarget.type == "ARR") {
Identifier index = identifierStack.at(tabAssignTargetIndex);
if(index.type == "NUM") {
long long int tabElMem = assignTarget.mem + stoll(index.name) + 1;
registerToMem(tabElMem);
removeIdentifier(index.name);
}
else {
registerToMem(0);
memToRegister(assignTarget.mem);
pushCommandOneArg("ADD", index.mem);
registerToMem(2);
memToRegister(0);
pushCommandOneArg("STOREI", 2);
}
}
else if(assignTarget.local == 0) {
registerToMem(assignTarget.mem);
}
else {
cout << "Błąd [okolice linii " << yylineno << \
"]: Próba modyfikacji iteratora pętli." << endl;
exit(1);
}
identifierStack.at(assignTarget.name).initialized = 1;
/*if(initializedMem.empty() ||
find(initializedMem.begin(), initializedMem.end(), assignTarget.name) == initializedMem.end())) {
initializedMem.push_back(assignTarget.mem);
}*/
assignFlag = 1;
}
| IF {assignFlag = 0;
depth++;
} condition {
assignFlag = 1;
} THEN commands ifbody
| WHILE {
assignFlag = 0;
depth++;
Jump j;
createJump(&j, codeStack.size(), depth);
jumpStack.push_back(j);
} condition {
assignFlag = 1;
} DO commands ENDWHILE {
long long int stack;
long long int jumpCount = jumpStack.size()-1;
if(jumpCount > 2 && jumpStack.at(jumpCount-2).depth == depth) {
stack = jumpStack.at(jumpCount-2).placeInStack;
pushCommandOneArg("JUMP", stack);
addInt(jumpStack.at(jumpCount).placeInStack, codeStack.size());
addInt(jumpStack.at(jumpCount-1).placeInStack, codeStack.size());
jumpStack.pop_back();
}
else {
stack = jumpStack.at(jumpCount-1).placeInStack;
pushCommandOneArg("JUMP", stack);
addInt(jumpStack.at(jumpCount).placeInStack, codeStack.size());
}
jumpStack.pop_back();
jumpStack.pop_back();
/*registerValue = -1;*/
depth--;
assignFlag = 1;
}
| FOR IDE {
if(identifierStack.find($2)!=identifierStack.end()) {
cout << "Błąd [okolice linii " << yylineno \
<< "]: Kolejna deklaracja zmiennej " << $<str>2 << "." << endl;
exit(1);
}
else {
Identifier s;
createIdentifier(&s, $2, 1, 0, "IDE");
insertIdentifier($2, s);
}
assignFlag = 0;
assignTarget = identifierStack.at($2);
depth++;
} FROM value forbody
| READ identifier {
assignFlag = 1;
} SEM {
/*registerValue = -1;*/
if(assignTarget.type == "ARR") {
Identifier index = identifierStack.at(tabAssignTargetIndex);
if(index.type == "NUM") {
pushCommand("GET");
long long int tabElMem = assignTarget.mem + stoll(index.name) + 1;
registerToMem(tabElMem);
removeIdentifier(index.name);
}
else {
memToRegister(assignTarget.mem);
pushCommandOneArg("ADD", index.mem);
registerToMem(2);
pushCommand("GET");
pushCommandOneArg("STOREI", 2);
}
}
else if(assignTarget.local == 0) {
pushCommand("GET");
registerToMem(assignTarget.mem);
}
else {
cout << "Błąd [okolice linii " << yylineno << \
"]: Próba modyfikacji iteratora pętli." << endl;
exit(1);
}
identifierStack.at(assignTarget.name).initialized = 1;
assignFlag = 1;
}
| WRITE {
assignFlag = 0;
writeFlag = 1;
} value SEM {
Identifier ide = identifierStack.at(expressionArguments[0]);
if(ide.type == "NUM") {
setRegister(ide.name);
removeIdentifier(ide.name);
}
else if (ide.type == "IDE") {
memToRegister(ide.mem);
}
else {
Identifier index = identifierStack.at(argumentsTabIndex[0]);
if(index.type == "NUM") {
long long int tabElMem = ide.mem + stoll(index.name) + 1;
memToRegister(tabElMem);
removeIdentifier(index.name);
}
else {
memToRegister(ide.mem);
pushCommandOneArg("ADD", index.mem);
pushCommandOneArg("STORE", 0);
pushCommandOneArg("LOADI", 0);
}
}
pushCommand("PUT");
assignFlag = 1;
writeFlag = 0;
expressionArguments[0] = "-1";
argumentsTabIndex[0] = "-1";
}
;
ifbody:
ELSE {
Jump j;
createJump(&j, codeStack.size(), depth);
jumpStack.push_back(j);
pushCommand("JUMP");
long long int jumpCount = jumpStack.size()-2;
Jump jump = jumpStack.at(jumpCount);
addInt(jump.placeInStack, codeStack.size());
jumpCount--;
if(jumpCount >= 0 && jumpStack.at(jumpCount).depth == depth) {
addInt(jumpStack.at(jumpCount).placeInStack, codeStack.size());
}
/*registerValue = -1;*/
assignFlag = 1;
} commands ENDIF {
addInt(jumpStack.at(jumpStack.size()-1).placeInStack, codeStack.size());
jumpStack.pop_back();
jumpStack.pop_back();
if(jumpStack.size() >= 1 && jumpStack.at(jumpStack.size()-1).depth == depth) {
jumpStack.pop_back();
}
depth--;
assignFlag = 1;
}
| ENDIF {
long long int jumpCount = jumpStack.size()-1;
addInt(jumpStack.at(jumpCount).placeInStack, codeStack.size());
jumpCount--;
if(jumpCount >= 0 && jumpStack.at(jumpCount).depth == depth) {
addInt(jumpStack.at(jumpCount).placeInStack, codeStack.size());
jumpStack.pop_back();
}
jumpStack.pop_back();
/*registerValue = -1;*/
depth--;
assignFlag = 1;
}
;
forbody:
DOWNTO value DO {
Identifier a = identifierStack.at(expressionArguments[0]);
Identifier b = identifierStack.at(expressionArguments[1]);
if(a.type == "NUM") {
setRegister(a.name);
removeIdentifier(a.name);
}
else if(a.type == "IDE") {
memToRegister(a.mem);
}
else {
Identifier index = identifierStack.at(argumentsTabIndex[0]);
if(index.type == "NUM") {
long long int tabElMem = a.mem + stoll(index.name) + 1;
memToRegister(tabElMem);
removeIdentifier(index.name);
}
else {
memToRegister(a.mem);
pushCommandOneArg("ADD", index.mem);
pushCommandOneArg("STORE", 0);
pushCommandOneArg("LOADI", 0);
}
}
registerToMem(assignTarget.mem);
identifierStack.at(assignTarget.name).initialized = 1;
if(a.type != "ARR" && b.type != "ARR")
sub(a, b, 1, 1);
else {
Identifier aI, bI;
if(identifierStack.count(argumentsTabIndex[0]) > 0)
aI = identifierStack.at(argumentsTabIndex[0]);
if(identifierStack.count(argumentsTabIndex[1]) > 0)
bI = identifierStack.at(argumentsTabIndex[1]);
subTab(a, b, aI, bI, 1, 1);
argumentsTabIndex[0] = "-1";
argumentsTabIndex[1] = "-1";
}
expressionArguments[0] = "-1";
expressionArguments[1] = "-1";
Identifier s;
string name = "C" + to_string(depth);
createIdentifier(&s, name, 1, 0, "IDE");
insertIdentifier(name, s);
registerToMem(identifierStack.at(name).mem);
forStack.push_back(identifierStack.at(assignTarget.name));
pushCommandOneArg("JZERO", codeStack.size()+2);
memToRegister(identifierStack.at(name).mem);
Jump j;
createJump(&j, codeStack.size(), depth);
jumpStack.push_back(j);
pushCommand("JZERO");
pushCommand("DEC");
registerToMem(identifierStack.at(name).mem);
assignFlag = 1;
} commands ENDFOR {
Identifier iterator = forStack.at(forStack.size()-1);
memToRegister(iterator.mem);
pushCommand("DEC");
registerToMem(iterator.mem);
long long int jumpCount = jumpStack.size()-1;
long long int stack = jumpStack.at(jumpCount).placeInStack-1;
pushCommandOneArg("JUMP", stack);
addInt(jumpStack.at(jumpCount).placeInStack, codeStack.size());
jumpStack.pop_back();
string name = "C" + to_string(depth);
removeIdentifier(name);
removeIdentifier(iterator.name);
forStack.pop_back();
depth--;
assignFlag = 1;
}
| TO value DO {
Identifier a = identifierStack.at(expressionArguments[0]);
Identifier b = identifierStack.at(expressionArguments[1]);
if(a.type == "NUM") {
setRegister(a.name);
/*removeIdentifier(a.name);*/
}
else if(a.type == "IDE") {
memToRegister(a.mem);
}
else {
Identifier index = identifierStack.at(argumentsTabIndex[0]);
if(index.type == "NUM") {
long long int tabElMem = a.mem + stoll(index.name) + 1;
memToRegister(tabElMem);
/*removeIdentifier(index.name);*/
}
else {
memToRegister(a.mem);
pushCommandOneArg("ADD", index.mem);
pushCommandOneArg("STORE", 0);
pushCommandOneArg("LOADI", 0);
}
}
registerToMem(assignTarget.mem);
identifierStack.at(assignTarget.name).initialized = 1;
if(a.type != "ARR" && b.type != "ARR")
sub(b, a, 1, 1);
else {
Identifier aI, bI;
if(identifierStack.count(argumentsTabIndex[0]) > 0)
aI = identifierStack.at(argumentsTabIndex[0]);
if(identifierStack.count(argumentsTabIndex[1]) > 0)
bI = identifierStack.at(argumentsTabIndex[1]);
subTab(b, a, bI, aI, 1, 1);
argumentsTabIndex[0] = "-1";
argumentsTabIndex[1] = "-1";
}
expressionArguments[0] = "-1";
expressionArguments[1] = "-1";
Identifier s;
string name = "C" + to_string(depth);
createIdentifier(&s, name, 1, 0, "IDE");
insertIdentifier(name, s);
registerToMem(identifierStack.at(name).mem);
forStack.push_back(identifierStack.at(assignTarget.name));
pushCommandOneArg("JZERO", codeStack.size()+2);
memToRegister(identifierStack.at(name).mem);
Jump j;
createJump(&j, codeStack.size(), depth);
jumpStack.push_back(j);
pushCommand("JZERO");
pushCommand("DEC");
registerToMem(identifierStack.at(name).mem);
assignFlag = 1;
} commands ENDFOR {
Identifier iterator = forStack.at(forStack.size()-1);
memToRegister(iterator.mem);
pushCommand("INC");
registerToMem(iterator.mem);
long long int jumpCount = jumpStack.size()-1;
long long int stack = jumpStack.at(jumpCount).placeInStack-1;
pushCommandOneArg("JUMP", stack);
addInt(jumpStack.at(jumpCount).placeInStack, codeStack.size());
jumpStack.pop_back();
string name = "C" + to_string(depth);
removeIdentifier(name);
removeIdentifier(iterator.name);
forStack.pop_back();
depth--;
assignFlag = 1;
}
;
expression:
value {
Identifier ide = identifierStack.at(expressionArguments[0]);
if(ide.type == "NUM") {
setRegister(ide.name);
removeIdentifier(ide.name);
}
else if(ide.type == "IDE") {
memToRegister(ide.mem);
}
else {
Identifier index = identifierStack.at(argumentsTabIndex[0]);
if(index.type == "NUM") {
long long int tabElMem = ide.mem + stoll(index.name) + 1;
memToRegister(tabElMem);
removeIdentifier(index.name);
}
else {
memToRegister(ide.mem);
pushCommandOneArg("ADD", index.mem);
pushCommandOneArg("STORE", 0);
pushCommandOneArg("LOADI", 0);
}
}
if (!writeFlag) {
expressionArguments[0] = "-1";
argumentsTabIndex[0] = "-1";
}
}
| value ADD value {
Identifier a = identifierStack.at(expressionArguments[0]);
Identifier b = identifierStack.at(expressionArguments[1]);
if(a.type != "ARR" && b.type != "ARR")
add(a, b);
else {
Identifier aI, bI;
if(identifierStack.count(argumentsTabIndex[0]) > 0)
aI = identifierStack.at(argumentsTabIndex[0]);
if(identifierStack.count(argumentsTabIndex[1]) > 0)
bI = identifierStack.at(argumentsTabIndex[1]);
addTab(a, b, aI, bI);
argumentsTabIndex[0] = "-1";
argumentsTabIndex[1] = "-1";
}
expressionArguments[0] = "-1";
expressionArguments[1] = "-1";
}
| value SUB value {
Identifier a = identifierStack.at(expressionArguments[0]);
Identifier b = identifierStack.at(expressionArguments[1]);
if(a.type != "ARR" && b.type != "ARR")
sub(a, b, 0, 1);
else {
Identifier aI, bI;
if(identifierStack.count(argumentsTabIndex[0]) > 0)
aI = identifierStack.at(argumentsTabIndex[0]);
if(identifierStack.count(argumentsTabIndex[1]) > 0)
bI = identifierStack.at(argumentsTabIndex[1]);
subTab(a, b, aI, bI, 0, 1);
argumentsTabIndex[0] = "-1";
argumentsTabIndex[1] = "-1";
}
expressionArguments[0] = "-1";
expressionArguments[1] = "-1";
}
| value MUL value {
Identifier a = identifierStack.at(expressionArguments[0]);
Identifier b = identifierStack.at(expressionArguments[1]);
Identifier aI, bI;
if(identifierStack.count(argumentsTabIndex[0]) > 0)
aI = identifierStack.at(argumentsTabIndex[0]);
if(identifierStack.count(argumentsTabIndex[1]) > 0)
bI = identifierStack.at(argumentsTabIndex[1]);
//TODO czy liczba razy liczba się zmieści w long long int?
if(a.type == "NUM" && b.type == "NUM") {
long long int val = stoll(a.name) * stoll(b.name);
setRegister(to_string(val));
removeIdentifier(a.name);
removeIdentifier(b.name);
}
else {
setRegister("0");
registerToMem(7);
if(a.type != "ARR" && b.type != "ARR")
sub(b, a, 0, 0);
else
subTab(b, a, bI, aI, 0, 0);
long long int stackJ = codeStack.size();
pushCommand("JZERO");
setToTempMem(b, bI, 6, 0);
setToTempMem(a, aI, 5, 0);
pushCommand("JUMP");
addInt(stackJ, codeStack.size());
stackJ = codeStack.size()-1;
setToTempMem(a, aI, 6, 0);
setToTempMem(b, bI, 5, 0);
addInt(stackJ, codeStack.size());
/*memToRegister(5);*/
stackJ = codeStack.size();
pushCommandOneArg("JZERO", codeStack.size()+13);
pushCommandOneArg("JODD", codeStack.size()+2);
pushCommandOneArg("JUMP", codeStack.size()+4);
memToRegister(7);
pushCommandOneArg("ADD", 6);
registerToMem(7);
memToRegister(6);
pushCommand("SHL");
registerToMem(6);
memToRegister(5);
pushCommand("SHR");
registerToMem(5);
pushCommandOneArg("JUMP", stackJ);
memToRegister(7);
}
argumentsTabIndex[0] = "-1";
argumentsTabIndex[1] = "-1";
expressionArguments[0] = "-1";
expressionArguments[1] = "-1";
}
| value DIV value {
Identifier a = identifierStack.at(expressionArguments[0]);
Identifier b = identifierStack.at(expressionArguments[1]);
Identifier aI, bI;
if(identifierStack.count(argumentsTabIndex[0]) > 0)
aI = identifierStack.at(argumentsTabIndex[0]);
if(identifierStack.count(argumentsTabIndex[1]) > 0)
bI = identifierStack.at(argumentsTabIndex[1]);
if(b.type == "NUM" && stoll(b.name) == 0) {
setRegister("0");
}
else if(a.type == "NUM" && stoll(a.name) == 0) {
setRegister("0");
}
else if(a.type == "NUM" && b.type == "NUM") {
long long int val = stoll(a.name) / stoll(b.name);
setRegister(to_string(val));
removeIdentifier(a.name);
removeIdentifier(b.name);
}
else {
setRegister("0");
registerToMem(5);
registerToMem(8);
long long int zeroJump = setToTempMem(b, bI, 7, 1);
long long int zeroJump2 = setToTempMem(a, aI, 6, 1);
pushCommand("INC");
pushCommandOneArg("SUB", 7);
pushCommandOneArg("JZERO", codeStack.size()+38); //eeeeend
pushCommandOneArg("JUMP", codeStack.size()+4);
long long int jumpVal = codeStack.size();
pushCommand("INC");
pushCommandOneArg("SUB", 7);
pushCommandOneArg("JZERO", codeStack.size()+9);
memToRegister(5);
pushCommand("INC");
registerToMem(5);
memToRegister(7);
pushCommand("SHL");
registerToMem(7);
memToRegister(6);
pushCommandOneArg("JUMP", jumpVal);
memToRegister(7);
pushCommand("SHR");
registerToMem(7);
jumpVal = codeStack.size();
memToRegister(5); //here is i
pushCommandOneArg("JZERO", codeStack.size()+21); //to the end
pushCommand("DEC");
registerToMem(5);
memToRegister(6);
pushCommand("INC");
pushCommandOneArg("SUB", 7);
pushCommandOneArg("JZERO", codeStack.size()+8); //to else
pushCommand("DEC"); //need to think of value
registerToMem(6);
memToRegister(8);
pushCommand("SHL");
pushCommand("INC");
registerToMem(8);
pushCommandOneArg("JUMP", codeStack.size()+4); //to end of else
memToRegister(8); //here starts else
pushCommand("SHL");
registerToMem(8);
memToRegister(7); //end of else
pushCommand("SHR");
registerToMem(7);
pushCommandOneArg("JUMP", jumpVal); //to the i
memToRegister(8); //end
pushCommandOneArg("JUMP", codeStack.size()+2);
addInt(zeroJump, codeStack.size());
addInt(zeroJump2, codeStack.size());
setRegister("0");
}
argumentsTabIndex[0] = "-1";
argumentsTabIndex[1] = "-1";
expressionArguments[0] = "-1";
expressionArguments[1] = "-1";
}
| value MOD value {
Identifier a = identifierStack.at(expressionArguments[0]);
Identifier b = identifierStack.at(expressionArguments[1]);
Identifier aI, bI;
if(identifierStack.count(argumentsTabIndex[0]) > 0)
aI = identifierStack.at(argumentsTabIndex[0]);
if(identifierStack.count(argumentsTabIndex[1]) > 0)
bI = identifierStack.at(argumentsTabIndex[1]);
if(b.type == "NUM" && stoll(b.name) == 0) {
setRegister("0");
}
else if(a.type == "NUM" && stoll(a.name) == 0) {
setRegister("0");
}
else if(a.type == "NUM" && b.type == "NUM") {
long long int val = stoll(a.name) % stoll(b.name);
setRegister(to_string(val));
removeIdentifier(a.name);
removeIdentifier(b.name);
}
else {
setRegister("0");
registerToMem(5);
long long int zeroJump = setToTempMem(b, bI, 7, 1);
long long int zeroJump2 = setToTempMem(a, aI, 6, 1);
pushCommand("INC");
pushCommandOneArg("SUB", 7);
pushCommandOneArg("JZERO", codeStack.size()+30); //eeeeend
pushCommandOneArg("JUMP", codeStack.size()+4);
long long int jumpVal = codeStack.size();
pushCommand("INC");
pushCommandOneArg("SUB", 7);
pushCommandOneArg("JZERO", codeStack.size()+9);
memToRegister(5);
pushCommand("INC");
registerToMem(5);
memToRegister(7);
pushCommand("SHL");
registerToMem(7);
memToRegister(6);
pushCommandOneArg("JUMP", jumpVal);
memToRegister(7);
pushCommand("SHR");
registerToMem(7);
jumpVal = codeStack.size();
memToRegister(5); //here is i
pushCommandOneArg("JZERO", codeStack.size()+13); //to the end
pushCommand("DEC");
registerToMem(5);
memToRegister(6);
pushCommand("INC");
pushCommandOneArg("SUB", 7);
pushCommandOneArg("JZERO", codeStack.size()+3); //to end of if
pushCommand("DEC"); //need to think of value
registerToMem(6);
memToRegister(7); //end of if
pushCommand("SHR");
registerToMem(7);
pushCommandOneArg("JUMP", jumpVal); //to the i
memToRegister(6); //end
pushCommandOneArg("JUMP", codeStack.size()+2);
addInt(zeroJump, codeStack.size());
addInt(zeroJump2, codeStack.size());
setRegister("0");
}
argumentsTabIndex[0] = "-1";
argumentsTabIndex[1] = "-1";
expressionArguments[0] = "-1";
expressionArguments[1] = "-1";
}
;
condition:
value EQ value {
Identifier a = identifierStack.at(expressionArguments[0]);
Identifier b = identifierStack.at(expressionArguments[1]);
if(a.type == "NUM" && b.type == "NUM") {
if(stoll(a.name) == stoll(b.name))
setRegister("1");
else
setRegister("0");
removeIdentifier(a.name);
removeIdentifier(b.name);
Jump jum;
createJump(&jum, codeStack.size(), depth);
jumpStack.push_back(jum);
pushCommand("JZERO");
}
else {
Identifier aI, bI;
if(identifierStack.count(argumentsTabIndex[0]) > 0)
aI = identifierStack.at(argumentsTabIndex[0]);
if(identifierStack.count(argumentsTabIndex[1]) > 0)
bI = identifierStack.at(argumentsTabIndex[1]);
if(a.type != "ARR" && b.type != "ARR")
sub(b, a, 0, 0);
else
subTab(b, a, bI, aI, 0, 0);
pushCommandOneArg("JZERO", codeStack.size()+2);
Jump j;
createJump(&j, codeStack.size(), depth);
jumpStack.push_back(j);
pushCommand("JUMP");
if(a.type != "ARR" && b.type != "ARR")
sub(a, b, 0, 1);
else
subTab(a, b, aI, bI, 0, 1);
pushCommandOneArg("JZERO", codeStack.size()+2);
Jump jj;
createJump(&jj, codeStack.size(), depth);
jumpStack.push_back(jj);
pushCommand("JUMP");
}
expressionArguments[0] = "-1";
expressionArguments[1] = "-1";
argumentsTabIndex[0] = "-1";
argumentsTabIndex[1] = "-1";
}
| value NE value {
Identifier a = identifierStack.at(expressionArguments[0]);
Identifier b = identifierStack.at(expressionArguments[1]);
if(a.type == "NUM" && b.type == "NUM") {
if(stoll(a.name) != stoll(b.name))
setRegister("1");
else
setRegister("0");
removeIdentifier(a.name);
removeIdentifier(b.name);
Jump jum;
createJump(&jum, codeStack.size(), depth);
jumpStack.push_back(jum);
pushCommand("JZERO");
}
else {
Identifier aI, bI;
if(identifierStack.count(argumentsTabIndex[0]) > 0)
aI = identifierStack.at(argumentsTabIndex[0]);
if(identifierStack.count(argumentsTabIndex[1]) > 0)
bI = identifierStack.at(argumentsTabIndex[1]);
if(a.type != "ARR" && b.type != "ARR")
sub(b, a, 0, 0);
else
subTab(b, a, bI, aI, 0, 0);
pushCommandOneArg("JZERO", codeStack.size()+2);
Jump j;
createJump(&j, codeStack.size(), depth);
jumpStack.push_back(j);
pushCommand("JUMP");
if(a.type != "ARR" && b.type != "ARR")
sub(a, b, 0, 1);
else
subTab(a, b, aI, bI, 0, 1);
addInt(jumpStack.at(jumpStack.size()-1).placeInStack, codeStack.size()+1);
jumpStack.pop_back();
Jump jj;
createJump(&jj, codeStack.size(), depth);
jumpStack.push_back(jj);
pushCommand("JZERO");
}
expressionArguments[0] = "-1";
expressionArguments[1] = "-1";
argumentsTabIndex[0] = "-1";
argumentsTabIndex[1] = "-1";
}
| value LT value {
Identifier a = identifierStack.at(expressionArguments[0]);
Identifier b = identifierStack.at(expressionArguments[1]);
if(a.type == "NUM" && b.type == "NUM") {
if(stoll(a.name) < stoll(b.name))
setRegister("1");
else
setRegister("0");
removeIdentifier(a.name);
removeIdentifier(b.name);
}
else {
if(a.type != "ARR" && b.type != "ARR")
sub(b, a, 0, 1);
else {
Identifier aI, bI;
if(identifierStack.count(argumentsTabIndex[0]) > 0)
aI = identifierStack.at(argumentsTabIndex[0]);
if(identifierStack.count(argumentsTabIndex[1]) > 0)
bI = identifierStack.at(argumentsTabIndex[1]);
subTab(b, a, bI, aI, 0, 1);
argumentsTabIndex[0] = "-1";
argumentsTabIndex[1] = "-1";
}
}
Jump j;
createJump(&j, codeStack.size(), depth);
jumpStack.push_back(j);
pushCommand("JZERO");
expressionArguments[0] = "-1";
expressionArguments[1] = "-1";
}
| value GT value {
Identifier a = identifierStack.at(expressionArguments[0]);
Identifier b = identifierStack.at(expressionArguments[1]);
if(a.type == "NUM" && b.type == "NUM") {
if(stoll(b.name) < stoll(a.name))
setRegister("1");
else
setRegister("0");
removeIdentifier(a.name);
removeIdentifier(b.name);
}
else {
if(a.type != "ARR" && b.type != "ARR")
sub(a, b, 0, 1);
else {
Identifier aI, bI;
if(identifierStack.count(argumentsTabIndex[0]) > 0)
aI = identifierStack.at(argumentsTabIndex[0]);
if(identifierStack.count(argumentsTabIndex[1]) > 0)
bI = identifierStack.at(argumentsTabIndex[1]);
subTab(a, b, aI, bI, 0, 1);
argumentsTabIndex[0] = "-1";
argumentsTabIndex[1] = "-1";
}
}
Jump j;
createJump(&j, codeStack.size(), depth);
jumpStack.push_back(j);;
pushCommand("JZERO");
expressionArguments[0] = "-1";
expressionArguments[1] = "-1";
}
| value LE value {
Identifier a = identifierStack.at(expressionArguments[0]);
Identifier b = identifierStack.at(expressionArguments[1]);
if(a.type == "NUM" && b.type == "NUM") {
if(stoll(a.name) <= stoll(b.name))
setRegister("1");
else
setRegister("0");
removeIdentifier(a.name);
removeIdentifier(b.name);
}
else {
if(a.type != "ARR" && b.type != "ARR")
sub(b, a, 1, 1);
else {
Identifier aI, bI;
if(identifierStack.count(argumentsTabIndex[0]) > 0)
aI = identifierStack.at(argumentsTabIndex[0]);
if(identifierStack.count(argumentsTabIndex[1]) > 0)
bI = identifierStack.at(argumentsTabIndex[1]);
subTab(b, a, bI, aI, 1, 1);
argumentsTabIndex[0] = "-1";
argumentsTabIndex[1] = "-1";
}
}
Jump j;
createJump(&j, codeStack.size(), depth);
jumpStack.push_back(j);
pushCommand("JZERO");
expressionArguments[0] = "-1";
expressionArguments[1] = "-1";