void factor(){
int l;
int m;
symTableEntry* symbol;
if(currentToken == identsym){
//First looking for a constant that matches
symbol = findSymbol(symTable, CONST, tokenVal.string, scope);
if(findConst(tokenVal.string, scope, &m)){
genCode(LIT, 0, m);
}else if(findVar(tokenVal.string, scope, &l, &m)){
//If that fails, looking for a variable
genCode(LOD, l, m);
}else{
throwError(UNDEC_ID);
}
readToken();
}else if(currentToken == numbersym){
genCode(LIT, 0, tokenVal.numeric);
readToken();
}else if(currentToken == lparentsym){
readToken();
expression();
if(currentToken != rparentsym)
throwError(RPAREN_MISS);
else
readToken();
}
else
throwError(PREC_FACTOR_CANNOT_BEGIN_SYM);
return;
}
void ast::ReadStatement::addToken(Token identifier)
{
lookup::Variable* pvar = getEnv()->findVariableOrParam(identifier.getString());
if (pvar == NULL)
{
throw err::Error(err::READ_TO_NONVAR,identifier);
}
std::string readstr;
switch( pvar->getType() )
{
case lookup::Char:
readstr = "%c";
break;
case lookup::Int:
readstr = "%d";
break;
case lookup::Float:
readstr = "%f";
break;
default:
assert(0);
}
m_src1 = lookup::Env::createString("",readstr);
m_target = pvar;
genCode();
}
TCA genCallArrayPrologue(Func* func, const DVFuncletsVec& dvs) {
auto context = prologue_context(kInvalidTransID, func, func->base());
IRGS env{context, TransFlags{}};
assertx(mcg->cgFixups().empty());
auto& main = mcg->code.main();
auto& frozen = mcg->code.frozen();
auto const start = main.frontier();
irgen::emitCallArrayPrologue(env, dvs);
irgen::sealUnit(env);
genCode(env.unit, CodeKind::CrossTrace);
if (RuntimeOption::EvalPerfRelocate) {
GrowableVector<IncomingBranch> ibs;
recordPerfRelocMap(start, main.frontier(),
frozen.frontier(), frozen.frontier(),
SrcKey { func, dvs[0].second, false },
0, ibs, mcg->cgFixups());
}
mcg->cgFixups().process(nullptr);
return start;
}
void ast::FunctionCallStatement::addNode(pValueParamList p)
{
//确保自动删除
std::auto_ptr<ast::ASTNode> point_manager(p);
//CALL
genCode();
}
void ast::WhileStatement::addNode(pStatement p)
{
//确保自动删除
std::auto_ptr<ast::ASTNode> point_manager(p);
//gotostart (m_startlabel is alias of m_src1)
genCode();
tuple::TupleManager::putLabel( m_falseLabel );
}
void NodeInstanceof::genCodeToStoreInto(File * fp, UVPass& uvpass)
{
//lhs
assert(getStoreIntoAble() == TBOOL_TRUE); //not so..why not!
genCode(fp, uvpass); //t41085
//tmp variable becomes the object of the constructor call (t41085)
m_tmpvarSymbol = Node::makeTmpVarSymbolForCodeGen(uvpass, NULL);
m_state.m_currentObjSymbolsForCodeGen.push_back(m_tmpvarSymbol);
} //genCodeToStoreInto
void term(){
token tempToken;
factor();
while(currentToken == multsym || currentToken == slashsym){
tempToken = currentToken;
readToken();
factor();
if(tempToken == multsym)
genCode(OPR, 0, MUL);
else if(tempToken == slashsym)
genCode(OPR, 0, DIV);
}
return;
}
void expression(){
int minus = 0; //A flag to negate the expression if we need to
token operator;
if(currentToken != plussym && currentToken != minussym
&& currentToken != lparentsym && currentToken != identsym
&& currentToken != numbersym)
throwError(SYMBOL_CANNOT_BEGIN_THIS_EXP);
if(currentToken == minussym)
minus = 1;
if(currentToken == plussym || currentToken == minussym)
readToken();
if(currentToken == procsym)
throwError(EXP_CANNOT_CONTAIN_PROC_IDENT);
term();
if(minus)
genCode(OPR, 0, NEG);
while(currentToken == plussym || currentToken == minussym){
operator = currentToken;
readToken();
if(currentToken == procsym)
throwError(EXP_CANNOT_CONTAIN_PROC_IDENT);
term();
if(operator == plussym)
genCode(OPR, 0, ADD);
else if(operator == minussym)
genCode(OPR, 0, SUB);
}
return;
}
void ast::AssignmentStatement::addNode(pExpression p)
{
//È·±£×Ô¶¯É¾³ý
std::auto_ptr<ast::ASTNode> point_manager(p);
m_src1 = p->getResult();
genCode();
if ( m_src1->getType() > m_target->getType() )
warning::Warning(warning::BADCONVERT).report();
}
int main(int argc, char *argv[])
{
clrscr();
showCredits();
checkUsages(argc);
openFile2Write(argv[1]);
readFromFile(argv[1]);
genCode();
readData();
printStatus("DONE",8);
return 0;
}
void PrologEpilogGenerator::genPrologEpilog() {
buildSets();
IPF_LOG << endl << " Generate Code" << endl;
genCode();
IPF_LOG << " Reassign OutRegArgs" << endl;
reassignOutRegArgs();
IPF_LOG << endl; opndManager->printStackInfo();
IPF_LOG << endl; printRegMasks(); IPF_LOG << endl;
}
void condition(){
token operation;
if(currentToken == oddsym){
readToken();
expression();
genCode(OPR, 0, ODD);
}
else{
expression();
/*******************************************/
/* rel-op ::= "="|"!="|"<"|"<="|">"|">=" */
/*******************************************/
if(currentToken != eqsym
&& currentToken != neqsym
&& currentToken != lessym
&& currentToken != leqsym
&& currentToken != gtrsym
&& currentToken != geqsym){
if(currentToken == becomessym)
throwError(EQ_NOT_BECOMES);
throwError(REL_OP_EXPEC);
}else{
operation = currentToken;
}
readToken();
expression();
if(operation == eqsym)
genCode(OPR, 0, EQL);
else if(operation == neqsym)
genCode(OPR, 0, NEQ);
else if(operation == lessym)
genCode(OPR, 0, LSS);
else if(operation == leqsym)
genCode(OPR, 0, LEQ);
else if(operation == gtrsym)
genCode(OPR, 0, GTR);
else if(operation == geqsym)
genCode(OPR, 0, GEQ);
}
return;
}
int main(int argc, char** argv) {
Parser parser(argv[1]);
Program prog;
if(!parser.Parse(&prog)) {
return -1;
}
if (!genCode(argv[2], prog)) {
return -1;
}
return 0;
}
int main(int argc, char *argv[])
{
clrscr();
showCredits();
checkUsages(argc);
readFromFile(argv[1]);
genTree();
openFile2Write(argv[1]);
genCode();
closeFile2Write();
printProc("Closing destination file... ");
printStatus("DONE",1);
printf("\n");
return 0;
}
QRCodeDialog::QRCodeDialog(const QString &addr, const QString &label, bool enableReq, QWidget *parent) :
QDialog(parent), ui(new Ui::QRCodeDialog), address(addr)
{
ui->setupUi(this);
setWindowTitle(QString("%1").arg(address));
setAttribute(Qt::WA_DeleteOnClose);
ui->chkReqPayment->setVisible(enableReq);
ui->lnReqAmount->setVisible(enableReq);
ui->lblAmount->setVisible(enableReq);
ui->lblBTC->setVisible(enableReq);
ui->lnLabel->setText(label);
genCode();
}
TCA genFuncPrologue(TransID transID, Func* func, int argc) {
auto context = prologue_context(transID, func,
func->getEntryForNumArgs(argc));
IRGS env{context, TransFlags{}};
auto& cb = mcg->code.main();
// Dump the func guard in the TC before anything else.
emitFuncGuard(func, cb);
auto const start = cb.frontier();
irgen::emitFuncPrologue(env, argc, transID);
irgen::sealUnit(env);
genCode(env.unit, CodeKind::CrossTrace);
return start;
}
void parse(FILE *i, FILE *o){
time_t now;
time(&now);
peektok = NONE;
fputs("/* Generated by re2c 0.9.1-C on ", o);
fprintf(o, "%-24s", ctime(&now));
fputs(" */\n", o); oline+=2;
in = Scanner_new(i);
line_source(o, Scanner_line(in));
while(Scanner_echo(in, o)){
yyparse();
if(spec)
genCode(o, spec);
line_source(o, Scanner_line(in));
}
}
void QRCodeDialog::on_lnMessage_textChanged(const QString &arg1)
{
genCode();
}
void QRCodeDialog::on_lnLabel_textChanged(const QString &arg1)
{
genCode();
}
void QRCodeDialog::on_lnReqAmount_textChanged(const QString &arg1)
{
genCode();
}
void NodeUnaryOp::genCodeToStoreInto(File * fp, UVPass& uvpass)
{
genCode(fp,uvpass);
}
void statement(){
int l;
int m;
symTableEntry* symbol;
int tempLabels[2];
if(currentToken == identsym){
symbol = findSymbol(symTable, VAR, tokenVal.string, scope);
if(!findVar(tokenVal.string, scope, &l, &m)){
if(findConst(tokenVal.string, scope, &m))
throwError(CANNOT_ASSIGN_TO_CONST_OR_PROC);
else
throwError(UNDEC_ID);
}
readToken();
if(currentToken != becomessym)
throwError(ASSIGN_EXPEC);
readToken();
expression();
genCode(STO, l, m);
}
else if(currentToken == syawsym){
readToken();
if(currentToken != identsym)
throwError(ID_FOLLOW_SYAW);
if(!findFunc(tokenVal.string, scope, &l, &m))
throwError(UNDEC_ID);
genCode(CAL, l, m);
readToken();
}
else if(currentToken == sngaisym){ // 'beginsym'
readToken();
statement();
while(currentToken == semicolonsym){
readToken();
statement();
}
if(currentToken != fpesym &&
(currentToken != identsym && currentToken != sngaisym
&& currentToken != txosym && currentToken != tengkrrsym)) // 'endsym'
//throwError(WRONG_SYM_AFTER_STATE);
throwError(SEMICOL_OR_RBRACK_EXPEC);
else if(currentToken == identsym || currentToken == sngaisym
|| currentToken == txosym || currentToken == tengkrrsym)
throwError(SEMICOL_BW_STATE_MISS);
readToken();
}
else if(currentToken == txosym){ // 'ifsym'
tempLabels[1] = 0;
readToken();
condition();
tempLabels[0] = reserveCode(); //Conditional jump will go here
if(currentToken != tsakrrsym) // 'thensym'
throwError(TSAKRR_EXPEC);
readToken();
statement();
if(currentToken == txokefyawsym){
tempLabels[1] = reserveCode();
readToken();
}
backPatch(tempLabels[0], JPC, 0, genLabel());
if(tempLabels[1]){
statement();
backPatch(tempLabels[1], JMP, 0, genLabel());
}
}
else if(currentToken == tengkrrsym){ // 'whilesym'
readToken();
tempLabels[0] = genLabel(); //Jump back up to here at the end of the loop
condition();
tempLabels[1] = reserveCode(); //Stick the conditional jump here
if(currentToken != sisym) // 'dosym'
throwError(SI_EXPEC);
readToken();
statement();
genCode(JMP, 0, tempLabels[0]);
backPatch(tempLabels[1], JPC, 0, genLabel());
}
else if(currentToken == misym){ // Input
genCode(SIO, 0, 2);
readToken();
if(currentToken == identsym){
if(findVar(tokenVal.string, scope, &l, &m))
genCode(STO, l, m);
else if(findConst(tokenVal.string, scope, &m)
|| findFunc(tokenVal.string, scope, &l, &m))
throwError(CANNOT_STORE_IN_CONST_OR_PROC);
else
throwError(UNDEC_ID);
readToken();
}
}
else if(currentToken == wrrpasym){ // Output
readToken();
if(currentToken == identsym){
if(findVar(tokenVal.string, scope, &l, &m))
genCode(LOD, l, m);
else if(findConst(tokenVal.string, scope, &m))
genCode(LIT, 0, m);
else
throwError(UNDEC_ID);
readToken();
}
genCode(SOI, 0, 1);
}
else if(currentToken == fpesym){
return;
}
else{
if(currentToken == periodsym)
throwError(RBRACK_EXPEC_AT_END);
else
throwError(STATEMENT_EXPEC);
}
return;
}
void genCode(astree* root, SymbolTable* table){
if (root == NULL) {
return;
}
string currsym = get_yytname(root->symbol);
if (currsym == "program") {
for (size_t child = 0; child < root->children.size(); ++child) {
string currsymbol = get_yytname(root->children[child]->symbol);
if (currsymbol == "vardecl") {
string child2 = get_yytname(root->children[child]->children[2]->symbol);
string ident = root->children[child]->children[1]->lexinfo->c_str();
string declt = root->children[child]->children[0]->children[0]->children[0]->lexinfo->c_str();
string newtype = converter(declt);
if(root->children[child]->children[0]->children.size() == 2){
declt = declt + "[]";
newtype = converter(declt);
fprintf(oilFile, "%s__%s;\n", newtype.c_str(), ident.c_str());
} else {
fprintf(oilFile, "%s__%s;\n", newtype.c_str(), ident.c_str());
}
}
if (currsymbol == "struct_") {
genCode(root->children[child], table);
}
}
fprintf(oilFile, "void __ocmain ()\n{\n");
for (size_t child = 0; child < root->children.size(); ++child) {
string currsymbol = get_yytname(root->children[child]->symbol);
if (currsymbol != "vardecl" && currsymbol != "struct_") {
genCode(root->children[child], table);
}
}
fprintf(oilFile, "}\n");
}
if (currsym == "vardecl") {
string ident = root->children[1]->lexinfo->c_str();
string dect = checker(root->children[1], table);
if (root->children[0]->children.size() == 2) dect = dect + "[]";
dect = converter(dect);
string child2 = get_yytname(root->children[2]->symbol);
if (child2 == "constant") {
fprintf(oilFile, "%s_%d_%s = __%s\n", dect.c_str(),table->numBack(), ident.c_str(), root->children[2]->children[0]->lexinfo->c_str());
}
if (child2 == "variable") {
fprintf(oilFile, "%s_%d_%s = _%d_%s\n", dect.c_str(),table->numBack(), ident.c_str(), table->numBack(), root->children[2]->children[0]->lexinfo->c_str());
}
}
if (currsym == "binop") {
string op = root->children[1]->lexinfo->c_str();
if (op == "+" || op == "-" || op == "/" || op == "%" || op == "*") {
int counter = icount++;
string child0 = get_yytname(root->children[0]->symbol);
string child2 = get_yytname(root->children[2]->symbol);
if (child0 != "constant" && child0 != "constant") {
genCode(root->children[0], table);
fprintf(oilFile, "i%d = i%d ", counter, counter-1);
}
else if (child2 != "constant" && child2 != "constant") {
genCode(root->children[2], table);
fprintf(oilFile, "i%d = i%d ", counter, counter-1);
} else {
fprintf(oilFile, "i%d = ", counter);
}
if(child0 == "constant") {
fprintf(oilFile, "%s ", root->children[0]->children[0]->lexinfo->c_str());
}
if(child0 == "variable") {
fprintf(oilFile, "_%d_%s ", table->numBack(), root->children[0]->children[0]->lexinfo->c_str());
}
fprintf(oilFile, "%s ", root->children[1]->lexinfo->c_str());
if(child2 == "constant") {
fprintf(oilFile, "%s;\n", root->children[2]->children[0]->lexinfo->c_str());
}
if(child2 == "variable") {
fprintf(oilFile, "_%d_%s;\n", table->numBack(), root->children[2]->children[0]->lexinfo->c_str());
}
}
if (op == ">" || op == "<" || op == ">=" || op == "<=" || op == "!=" || op == "==") {
int counter = bcount++;
string child0 = get_yytname(root->children[0]->symbol);
string child2 = get_yytname(root->children[2]->symbol);
if (child0 != "constant" && child0 != "constant") {
genCode(root->children[0], table);
fprintf(oilFile, "b%d = b%d ", counter, counter-1);
}
else if (child2 != "constant" && child2 != "constant") {
genCode(root->children[2], table);
fprintf(oilFile, "b%d = b%d ", counter, counter-1);
} else {
fprintf(oilFile, "b%d = ", counter);
}
if(child0 == "constant") {
fprintf(oilFile, "%s ", root->children[0]->children[0]->lexinfo->c_str());
}
if(child0 == "variable") {
fprintf(oilFile, "_%d_%s ", table->numBack(), root->children[0]->children[0]->lexinfo->c_str());
}
fprintf(oilFile, "%s ", root->children[1]->lexinfo->c_str());
if(child2 == "constant") {
fprintf(oilFile, "%s;\n", root->children[2]->children[0]->lexinfo->c_str());
}
if(child2 == "variable") {
fprintf(oilFile, "_%d_%s;\n", table->numBack(), root->children[2]->children[0]->lexinfo->c_str());
}
}
}
if (currsym == "while_") {
int currb = bcount;
int currcount = controlcount++;
fprintf(oilFile, "while_%d:;\n", currcount);
genCode(root->children[0], table);
fprintf(oilFile, "if(!b%d) goto break_%d;\n", currb, currcount);
genCode(root->children[1],table);
fprintf(oilFile, "goto while_%d;\n", currcount);
fprintf(oilFile, "break_%d:;\n", currcount);
}
if (currsym == "if_") {
int currb = bcount;
int currcount = controlcount++;
genCode(root->children[0],table);
fprintf(oilFile, "if(!b%d) goto else_%d;\n", currb, currcount);
genCode(root->children[1],table);
fprintf(oilFile, "goto fi_%d;\n", currcount);
fprintf(oilFile, "else_%d:;\n", currcount);
if(root->children.size() == 3) genCode(root->children[2],table);
fprintf(oilFile, "fi_%d:;\n", currcount);
}
if (currsym == "block") {
SymbolTable* currblock = root->blockpt;
for(size_t child = 0; child < root->children.size(); ++child){
genCode(root->children[child], currblock);
}
}
if (currsym == "struct_") {
string structname;
for (size_t child = 0; child < root->children.size(); ++child) {
string currchild = get_yytname(root->children[child]->symbol);
if (currchild == "TOK_IDENT") {
structname = root->children[child]->lexinfo->c_str();
}
}
fprintf(oilFile, "struct %s{\n", structname.c_str());
for (size_t child = 0; child < root->children.size(); ++child) {
string currchild = get_yytname(root->children[child]->symbol);
if (currchild == "decl") {
string ident = root->children[child]->children[1]->lexinfo->c_str();
string declt = root->children[child]->children[0]->children[0]->children[0]->lexinfo->c_str();
string newtype = converter(declt);
if (root->children[child]->children[0]->children.size() == 2) {
declt = declt + "[]";
newtype = converter(declt);
fprintf(oilFile, " %s%s;\n", newtype.c_str(), ident.c_str());
} else {
fprintf(oilFile, " %s%s;\n", newtype.c_str(), ident.c_str());
}
}
}
fprintf(oilFile, "};\n");
}
if (currsym == "decl") {
string ident = root->children[1]->lexinfo->c_str();
string declt = root->children[0]->children[0]->children[0]->lexinfo->c_str();
string newtype = converter(declt);
if (root->children[0]->children.size() == 2) {
declt = declt + "[]";
newtype = converter(declt);
fprintf(oilFile, "%s__%s;\n", newtype.c_str(), ident.c_str());
} else {
fprintf(oilFile, "%s__%s;\n", newtype.c_str(), ident.c_str());
}
}
if (currsym == "function") {
string funcname;
string rettype;
SymbolTable* currblock;
astree* blockroot;
for (size_t child = 0; child < root->children.size(); ++child) {
string currchild = get_yytname(root->children[child]->symbol);
if (currchild == "TOK_IDENT") {
funcname = root->children[child]->lexinfo->c_str();
rettype = checker(root->children[child], table);
int firstparen = rettype.find_first_of('(',0);
rettype = rettype.substr(0,firstparen);
}
if (currchild == "block") {
currblock = root->children[child]->blockpt;
blockroot = root->children[child];
if (blockroot->children.size() == 0) return;
}
}
fprintf(oilFile, "%s\n__%s(", converter(rettype).c_str(), funcname.c_str());
for (size_t child = 0; child < root->children.size(); ++child) {
int counter = 0;
string currchild = get_yytname(root->children[child]->symbol);
if (currchild == "decl") {
string ident = root->children[child]->children[1]->lexinfo->c_str();
string dectype = checker(root->children[child]->children[1], currblock);
if (root->children[child]->children[0]->children.size() == 2) {
dectype = dectype + "[]";
}
dectype = converter(dectype);
if (counter != 0) {
fprintf(oilFile, ",");
}
fprintf(oilFile, "\n %s_%d_%s", dectype.c_str(), currblock->numBack(), ident.c_str());
}
}
fprintf(oilFile, ")\n");
genCode(blockroot, table);
}
}
int main( int argc, char **argv )
{
/* Set up the code for debugging.
This allows the user to see the code.
*/
int newCode[CODELENGTH];
genCode(newCode);
/* If there's 2 inputs, then there's a flag. */
if( argc == 2 )
{
int debugMode;
printf( "Debugging Information.\n"
"The code is: " );
/* Display the code. */
for( debugMode=0; debugMode<CODELENGTH; debugMode++ )
{
printf( " %d", newCode[debugMode]);
}
}
/* Get user guesses.
Display an error message if the user inputs a value
that's not between 1-6.
*/
printf( "\nGuess the code by entering 4 numbers between 1-6.\n"
" Example: 5 3 2 6\n"
"You may use repeating variables if you wish.\n");
int newGuess[CODELENGTH];
getGuess(newGuess);
/* Check validity of guess. */
int g, state;
state = FALSE;
for( g=0; g<CODELENGTH; g++ )
{
if( newGuess[g] > 1 && newGuess[g] < 7 )
{
state = TRUE;
}
else
{
state = FALSE;
}
}
/* If the guess is valid, then continue.
If invalid, prompt error message.
Otherwise, pass the code and guess to checkGuess for comparison.
*/
if( state == FALSE )
{
printf( "Invalid guess! Your guess must be a number between 1-6.\n"
"Please try again.");
}
else
{
checkGuess( newCode, newGuess );
}
}//end main
void block(){
int jmpLoc = reserveCode();
int thisScope;
int numVars = 0;
char tempSymbol[MAX_IDENT_LENGTH + 1];
if(currentToken == constsym){
/***************************************************************/
/* const-declaration ::= [ "const" ident "=" number */
/* {"," ident "=" number} ";"] */
/***************************************************************/
do{
readToken();
if(currentToken != identsym){
throwError(ID_FOLLOW_CONST_VAR_PROC);
}else{
strcpy(tempSymbol, tokenVal.string);
}
readToken();
if(currentToken != eqsym){
if(currentToken == becomessym)
throwError(EQ_NOT_BECOMES);
else
throwError(EQ_FOLLOW_ID);
}
readToken();
if(currentToken != numbersym){
throwError(NUM_FOLLOW_EQ);
}else{
insertSymbol(symTable, newSymbol(CONST, tempSymbol, scope, 0,
tokenVal.numeric));
}
readToken();
}while(currentToken == commasym);
if(currentToken != semicolonsym)
throwError(SEMICOL_COMMA_MISS);
readToken();
}
if(currentToken == intsym){
/*******************************************************/
/* var-declaration ::= ["int" ident {"," ident} ";"] */
/*******************************************************/
do{
readToken();
if(currentToken != identsym){
throwError(ID_FOLLOW_CONST_VAR_PROC);
}else{
insertSymbol(symTable, newSymbol(VAR, tokenVal.string,
scope, BASE_OFFSET + numVars++, 0));
}
readToken();
}while(currentToken == commasym);
if(currentToken != semicolonsym)
throwError(SEMICOL_COMMA_MISS);
readToken();
}
//Saving the scope before moving into procedure declarations
thisScope = scope;
while(currentToken == procsym){
/**********************************************************************/
/* proc-declaration ::= {"procedure" ident ";" block ";"} statement */
/**********************************************************************/
readToken();
if(currentToken != identsym)
throwError(ID_FOLLOW_CONST_VAR_PROC);
//Storing the function name in the symbol table
insertSymbol(symTable, newSymbol(FUNC, tokenVal.string, thisScope,
genLabel(), 0));
readToken();
if(currentToken != semicolonsym)
throwError(SEMICOL_COMMA_MISS);
readToken();
//Incrementing the scope for our new function and saving its parent
//in the disjoint set
scope++;
scopeParent[scope] = thisScope;
block();
if(currentToken != semicolonsym)
throwError(WRONG_SYM_AFTER_PROC);
readToken();
}
//Restoring the scope
scope = thisScope;
backPatch(jmpLoc, JMP, 0, genLabel());
genCode(INC, 0, BASE_OFFSET + numVars);
statement();
genCode(OPR, 0, RET);
return;
}
void QRCodeDialog::on_chkReqPayment_toggled(bool)
{
genCode();
}
void genCode(pnode* ast,FILE* fp){
if(ast == NULL)
return;
int i;
pnode* temp;
if(ast -> val == 12)
return;
if(ast -> val == 28){ // SCAN statements //
for(i = 0 ; i < 200 ; i++){
if(ast -> child[i] != NULL){
temp = ast -> child[i];
break;
}
}
fprintf(fp,"\tmov eax,3\n"); // sys_read
fprintf(fp,"\tmov ebx,2\n"); // std_in
fprintf(fp,"\tmov ecx,%s\n",temp -> name);
fprintf(fp,"\tmov edx,4\n");
fprintf(fp,"\tint 80h\n\n");
return;
}
if(ast -> val == 29){ // PRINT Statemets
for(i = 0 ; i < 200 ; i++){
if(ast -> child[i] != NULL){
temp = ast -> child[i];
break;
}
}
fprintf(fp,"\tmov eax,4\n"); // sys_write
fprintf(fp,"\tmov ebx,1\n"); // std_out
fprintf(fp,"\tmov edx,4\n"); // std_out
fprintf(fp,"\tint 80h\n\n");
fprintf(fp,"\tmov eax,4\n"); // sys_write
fprintf(fp,"\tmov ebx,1\n"); // std_out
fprintf(fp,"\tmov ecx,NL\n");
fprintf(fp,"\tmov edx,1\n");
fprintf(fp,"\tint 80h\n\n");
return;
}
if(ast -> val == 25 || ast -> val == 26){ // IF statements
int lfcnt = ifcnt++;
pnode* cond =NULL;
pnode* conds= NULL;
pnode* condf = NULL;
int cnt = 0;
int i;
for(i = 0; i< 200 ; i++){
if(ast -> child[i] != NULL && cnt == 0){
cond = ast -> child[i];
cnt ++;
}
else if(ast -> child[i] != NULL && cnt == 1){
conds = ast -> child[i];
cnt ++;
}
else if(ast -> child[i] != NULL && cnt == 2){
condf = ast -> child[i];
break;
}
}
//printf("%s %s %s \n", cond-> name , conds -> name , condf -> name);
pnode* left = NULL;
pnode* right = NULL;
cnt =0;
for(i = 0 ; i< 200 ; i++){
if(cond -> child[i] != NULL && cnt == 0){
left = cond -> child[i];
cnt++;
}
else if(cond-> child[i] != NULL && cnt == 1){
right = cond -> child[i];
break;
}
}
//printf("%s %s \n", left -> name, right -> name);
// TODO: Add optimization
int optflag1 = 0 , optflag2 = 0;
if(left -> val == 7)
fprintf(fp,"\tmov ecx,[%s]\n",left->name);
else{
fprintf(fp,"\tmov ecx,%s\n", left-> name);
optflag1 = 1 ;
//fprintf(fp,"\tsub ecx,'0'\n");
}
if(right -> val == 7)
fprintf(fp,"\tmov edx,[%s]\n",right->name);
else{
fprintf(fp,"\tmov edx,%s\n", right-> name);
optflag2 = 1;
//fprintf(fp,"\tsub edx,'0'\n");
}
fprintf(fp,"\tcmp ecx,edx\n");
if(cond -> val == 39){
fprintf(fp,"\tje IFLABEL_%d\n",lfcnt);
}
if(cond -> val == 40){
fprintf(fp,"\tjg IFLABEL_%d\n",lfcnt);
}
if(cond -> val == 41){
fprintf(fp,"\tjge IFLABEL_%d\n",lfcnt);
}
if(cond -> val == 42){
fprintf(fp,"\tjl IFLABEL_%d\n",lfcnt);
}
if(cond -> val == 43){
fprintf(fp,"\tjle IFLABEL_%d\n",lfcnt);
}
if(cond -> val == 44){
fprintf(fp,"\tjne IFLABEL_%d\n",lfcnt);
}
genCode(condf,fp);
fprintf(fp,"\t jmp EXITIF_%d\n",lfcnt);
fprintf(fp,"IFLABEL_%d:\n",lfcnt);
genCode(conds,fp);
fprintf(fp,"EXITIF_%d:\n",lfcnt);
return;
}
if(ast -> val == 45){ // LOOP statements
pnode* left = NULL;
pnode* right = NULL;
int cnt= 0;
int i;
for(i = 0 ; i< 200 ; i++){
if(ast -> child[i] != NULL && cnt == 0){
left = ast -> child[i];
cnt++;
}
else if(ast-> child[i] != NULL && cnt == 1){
right = ast -> child[i];
break;
}
}
fprintf(fp,"Loop_%d:\n", lpcnt);
genCode(right,fp);
if(left -> val == 39 || left -> val == 40 ||left -> val == 41 ||left -> val == 42 ||left -> val == 43 || left-> val == 44){
pnode* lt;
pnode* rt;
int c =0;
for(i = 0 ; i< 200 ; i++){
if(left -> child[i] != NULL && c ==0){
lt = left -> child[i];
c++;
}
else if(left -> child[i] != NULL && c == 1){
rt = left -> child[i];
break;
}
}
fprintf(fp,"\tmov ecx , [%s]\n",lt -> name);
//fprintf(fp,"\tmov edx , [%s]\n",rt -> name);
if(rt -> val == 7)
fprintf(fp,"\tcmp ecx,[%s]\n",rt->name);
else{
//fprintf(fp,"\tsub ecx,'0'\n");
fprintf(fp,"\tcmp ecx,%s\n",rt->name);
}
if(left -> val == 39)
fprintf(fp,"\tje Loop_%d\n",lpcnt++);
if(left -> val == 40)
fprintf(fp,"\tjg Loop_%d\n",lpcnt++);
if(left -> val == 41)
fprintf(fp,"\tjge Loop_%d\n",lpcnt++);
if(left -> val == 42)
fprintf(fp,"\tjl Loop_%d\n",lpcnt++);
if(left -> val == 43)
fprintf(fp,"\tjle Loop_%d\n",lpcnt++);
if(left -> val == 44)
fprintf(fp,"\tjne Loop_%d\n",lpcnt++);
}
lpcnt++;
return;
}
if(ast -> val == 14){ // assignment statement
pnode* left = NULL;
pnode* right = NULL;
int cnt = 0,i;
for(i = 0 ; i< 200 ;i++){
if(ast -> child[i] != NULL && cnt == 0){
left = ast -> child[i];
cnt ++;
}
else if(ast -> child[i]!= NULL && cnt == 1){
right = ast -> child[i];
break;
}
}
if(right -> numChild == 0 && right -> val != 7){
fprintf(fp,"\tmov eax, %s\n", right -> name);
}
else if(right -> numChild == 0 && right -> val == 7){
fprintf(fp,"\tmov eax, [%s]\n", right -> name);
}
else if(right -> numChild == 2 && right -> val == 148){
}
else{
if(right -> val == 33 || right -> val == 32 || right -> val == 34 || right -> val == 35){
pnode* leftT;
pnode* rightT;
int cnt = 0;
int i;
for(i = 0 ; i< 200 ; i++){
if(right -> child[i] != NULL && cnt == 0){
leftT = right -> child[i];
cnt ++;
}
else if(right -> child[i] != NULL && cnt == 1){
rightT = right -> child[i];
break;
}
}
if(leftT -> val == 19){
fprintf(fp,"\tmov [acc1],%s\n", leftT -> name);
}
else if(leftT -> val == 7){
fprintf(fp,"\tmov eax,[%s]\n", leftT -> name);
fprintf(fp,"\tmov [acc1],eax\n", leftT -> name);
}
if(rightT -> val == 19){
fprintf(fp,"\tmov eax,%s\n", rightT -> name);
}
else if(rightT -> val == 7){
fprintf(fp,"\tmov eax,[%s]\n", rightT -> name);
//fprintf(fp,"\tmov [acc2],eax\n", leftT -> name);
}
else if(rightT -> val == 33 || rightT -> val == 32 || rightT -> val == 34 || rightT -> val == 35 ){
fprintf(fp,"\tmov ebx,[acc1]\n");
fprintf(fp,"\tpush ebx\n");
genCode(rightT,fp);
fprintf(fp,"\tpop ebx\n");
fprintf(fp,"\tmov [acc1],ebx\n");
}
//fprintf(fp,"\tsub eax,'0'\n");
if(right -> val == 33)
fprintf(fp,"\tadd eax, [acc1]\n");
else if(right ->val == 32){
fprintf(fp,"\tmov ebx,[acc1]\n");
//fprintf(fp,"\tsub ebx,eax\n");
fprintf(fp,"\tmov eax,ebx\n");
}
else if(right -> val == 35){
fprintf(fp,"\tmov ebx,[acc1]\n");
//fprintf(fp,"\tsub ebx,'0'\n");
fprintf(fp,"\tmul ebx\n");
fprintf(fp,"\tadd eax,'0'\n");
}
else if(right -> val == 34){
fprintf(fp,"\tmov ebx,eax\n");
fprintf(fp,"\tmov eax,[acc1]\n");
//fprintf(fp,"\tsub eax,'0'\n");
fprintf(fp,"\tmov edx,0D\n");
fprintf(fp,"\tdiv ebx\n");
//fprintf(fp,"\tadd eax,'0'\n");
}
}
}
fprintf(fp,"\tmov [%s],eax\n", left -> name);
return;
}
else if(ast -> val == 33 || ast -> val == 32 || ast -> val == 34 || ast -> val == 35 ){
pnode* leftT = NULL;
pnode* rightT = NULL;
int cnt = 0,i;
for(i = 0 ; i < 200 ; i++){
if(ast -> child[i] != NULL && cnt == 0){
leftT = ast -> child[i];
cnt ++;
}
else if(ast -> child[i] != NULL && cnt == 1){
rightT = ast -> child[i];
break;
}
}
if(leftT -> val == 19){
fprintf(fp,"\tmov [acc1],%s\n", leftT -> name);
}
else if(leftT -> val == 7){
fprintf(fp,"\tmov eax,[%s]\n", leftT -> name);
fprintf(fp,"\tmov [acc1],eax\n", leftT -> name);
}
if(rightT -> val == 19){
fprintf(fp,"\tmov eax,%s\n", rightT -> name);
}
else if(rightT -> val == 7){
fprintf(fp,"\tmov eax,[%s]\n", rightT -> name);
//fprintf(fp,"\tmov [acc2],eax\n", leftT -> name);
}
else if(rightT -> val == 33 || rightT -> val == 32 || rightT -> val == 34 || rightT -> val == 35){
fprintf(fp,"\tmov ebx,[acc1]\n");
fprintf(fp,"\tpush ebx\n");
genCode(rightT,fp);
fprintf(fp,"\tpop ebx\n");
fprintf(fp,"\tmov [acc1],ebx\n");
}
//fprintf(fp,"\tsub eax,'0'\n");
if(ast -> val == 33)
fprintf(fp,"\tadd eax, [acc1]\n");
else if(ast ->val == 32){
fprintf(fp,"\tmov ebx,[acc1]\n");
fprintf(fp,"\tsub ebx,eax\n");
fprintf(fp,"\tmov eax,ebx\n");
}
else if(ast -> val == 35){
fprintf(fp,"\tmov ebx,[acc1]\n");
fprintf(fp,"\tsub ebx,'0'\n");
fprintf(fp,"\tmul ebx\n");
//fprintf(fp,"\tadd eax,'0'\n");
}
else if(ast -> val == 34){
fprintf(fp,"\tmov ebx,eax\n");
fprintf(fp,"\tmov eax,[acc1]\n");
//fprintf(fp,"\tsub eax,'0'\n");
fprintf(fp,"\tmov edx,0D\n");
fprintf(fp,"\tdiv ebx\n");
//fprintf(fp,"\tadd eax,'0'\n");
}
return;
}
for(i = 0 ; i< 200 ; i++){
genCode(ast -> child[i] , fp);
}
}
int compile(int debug, int printSource, int printAssembly, int optimisation, char *fname)
{
wchar_t *InputBuf;
struct TokenStruct *Token;
struct ContextStruct Context;
int Result;
/* Load the inputfile into memory. */
InputBuf = LoadInputFile(fname);
if (InputBuf == NULL) exit(1);
if(printSource)
printf("Input MAlice program:\n-- %s --\n%ls---\n\n",fname,InputBuf);
/* Run the Parser. */
Result = Parse(InputBuf,wcslen(InputBuf),TRIMREDUCTIONS,DEBUG,&Token);
/* Interpret the results. */
if (Result != PARSEACCEPT) {
ShowErrorMessage(Token,Result);
printf("\n[EXIT] Syntax Error\n");
return 255;
} else {
/* Initialize the Context. */
Context.Debug = DEBUG;
Context.Indent = 0;
Context.ReturnValue = NULL;
/* Start execution by calling the subroutine of the first Token on
the TokenStack. It's the "Start Symbol" that is defined in the
grammar. */
RuleJumpTable[Token->ReductionRule](Token,&Context);
}
//printTree(Token,0);
int error = debug; // Used as debug flag and error reporting during CFG gen
CFG * cfg = makeCFG(Token, optimisation, &error);
if(error || cfg == 0)
{
printf("\n[EXIT] Compilation Error\n");
return 255;
}
char* asmfname;
asmfname = asmName(fname);
genCode(cfg, asmfname);
if(printAssembly)
{
printf("Generated assembly code:\n-- %s --\n",asmfname);
printFile(asmfname);
printf("---\n\n");
}
free(asmfname);
char* exefname;
exefname = exeName(fname);
char fc[128];
char sc[128];
sprintf(fc ,"nasm -f elf32 %s.s -o %s.o", exefname, exefname);
sprintf(sc ,"gcc -m32 %s.o -o %s", exefname, exefname);
char * firstCommand = (char *)malloc(sizeof(char) * strlen(fc));
char * secondCommand = (char *)malloc(sizeof(char) * strlen(sc));
strcpy(firstCommand, fc);
strcpy(secondCommand, sc);
system(firstCommand);
system(secondCommand);
/* Cleanup. */
DeleteTokens(Token);
free(InputBuf);
return 0;
}
