std::string codeprint(Context& cont) {
std::stringstream ss;
ss << "#Declarator " << id << "\n";
if(e!=NULL) {
ss << e->codeprint(cont) << "\n";
}
ss << "addu $9, $8, $0\n";
ss << Helper::writeNewVar(id,cont) << "\n";
return ss.str();
}
std::string codeprint(Context& cont) {
if(right!=NULL) {
std::stringstream ss;
ss << right->codeprint(cont) << "\n";
ss << "#AssignExp "<< "\n";
ss << "addu $9, $8, $0\n";
ss << Helper::writeVar(left->print(), cont);
return ss.str();
}
}
std::string codeprint(Context& cont) {
std::stringstream ss;
ss << "#return\n";
if (e!=NULL) {
ss << e->codeprint(cont);
} else {
ss << "addu $8, $0, $0\n";
}
ss << "addu $2, $8, $0\n";
ss << "j $31\n";
ss << "nop\n";
return ss.str();
}
std::string codeprint(Context& cont) {
std::stringstream ss;
ss << "#while\n";
int x = cont.labelNum;
cont.labelNum++;
ss << "label" << x << "a:\n";
ss << e->codeprint(cont);
ss << "beq $8, $0, " << "label" << x << "c\n";
ss << "label" << x << "b:\n";
ss << s->codeprint(cont);
ss << "j label" << x << "a\n";
ss << "label" << x << "c:\n";
return ss.str();
}
std::string codeprint(Context& cont) {
std::stringstream ss;
ss << "#UnaryExp " << op << "\n";
ss << e->codeprint(cont) << "\n";
if(op=="-") {
ss << "subu $8,$0, $8\n";
} else if(op=="~") {
ss << "lui $10, 0xffff\n";
ss << "sra $10,$10,16\n";
ss << "xor $8,$8, $10\n";
} else if(op=="!") {
int x = cont.labelNum;
cont.labelNum++;
ss << "seq $8,$8, $0\n";
ss << "bne $8, $0, label" << x << "\n";
ss << "addu $8, $8, $0\n";
ss << "label" << x << ":\n";
}
return ss.str();
}
std::string codeprint(Context& cont) {
if (e!=NULL) {
std::string x = e->codeprint(cont);
return x;
}
}
std::string codeprint(Context& cont) {
std::stringstream ss;
ss << "#BinExp " << op << "\n";
ss << left->codeprint(cont) << "\n";
ss << Helper::pushStack(8,cont) << "\n";
ss << right->codeprint(cont) << "\n";
ss << Helper::pushStack(8,cont) << "\n";
ss << Helper::popStack(5,cont) << "\n";
//ss << "addu $2, $5, $0\n";
//ss << "j $31\n";
ss << Helper::popStack(6,cont) << "\n";
ss << "addu $5,$8, $0\n";
if(op=="+") {
ss << "addu $8,$6, $5\n";
} else if(op=="-") {
ss << "subu $8,$6, $5\n";
} else if(op=="&") {
ss << "and $8,$6, $5\n";
} else if(op=="^") {
ss << "xor $8,$6, $5\n";
} else if(op=="|") {
ss << "or $8,$6, $5\n";
} else if(op=="*") {
ss << "mul $8,$6, $5\n";
} else if(op=="<") {
ss << "slt $8,$6, $5\n";
} else if(op==">") {
ss << "slt $8,$5, $6\n";
} else if(op==">=") {
ss << "sge $8,$6, $5\n";
} else if(op=="<=") {
ss << "sle $8,$6, $5\n";
} else if(op=="==") {
ss << "seq $8,$6, $5\n";
} else if(op=="!=") {
ss << "sne $8,$6, $5\n";
} else if(op=="/") {
ss << "div $8,$6, $5\n";
} else if(op=="%") {
ss << "div $6, $5\n";
ss << "mfhi $8\n";
} else if(op==">>") {
ss << "sra $8,$6, $5\n";
} else if(op=="<<") {
ss << "sll $8,$6, $5\n";
} else if(op=="&&") {
ss << "sne $6, $6, $0\n";
ss << "sne $5, $5, $0\n";
ss << "and $8, $6, $5\n";
} else if(op=="||") {
ss << "sne $6, $6, $0\n";
ss << "sne $5, $5, $0\n";
ss << "or $8, $6, $5\n";
}
/*TODO: ADD NOT IMP EXPS*/
return ss.str();
}
