walkero
/
cppcheck
1
0
Fork 0
Code Issues Pull Requests Projects Releases 1 Wiki Activity

bump simplecpp

This commit is contained in:
Daniel Marjamäki 2016-07-21 15:59:59 +02:00
parent 62f9bf097b
commit 4b1f79f243
1 changed files with 42 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

60
externals/simplecpp/simplecpp.cpp vendored
View File

@ -59,6 +59,30 @@ template<class T> std::string toString(T t) {
return ostr.str(); return ostr.str();
} }
long long stringToLL(const std::string &s)
{
long long ret;
bool hex = (s.compare(0, 2, "0x") == 0);
std::istringstream istr(hex ? s.substr(2) : s);
if (hex)
istr >> std::hex;
istr >> ret;
return ret;
}
unsigned long long stringToULL(const std::string &s)
{
unsigned long long ret;
bool hex = (s.compare(0, 2, "0x") == 0);
std::istringstream istr(hex ? s.substr(2) : s);
if (hex)
istr >> std::hex;
istr >> ret;
return ret;
}
bool sameline(const simplecpp::Token *tok1, const simplecpp::Token *tok2) { bool sameline(const simplecpp::Token *tok1, const simplecpp::Token *tok2) {
return tok1 && tok2 && tok1->location.sameline(tok2->location); return tok1 && tok2 && tok1->location.sameline(tok2->location);
} }
@ -474,12 +498,12 @@ void simplecpp::TokenList::constFoldMulDivRem(Token *tok) {
long long result; long long result;
if (tok->op == '*') if (tok->op == '*')
result = (std::strtoll(tok->previous->str.c_str(),0,0) * std::strtoll(tok->next->str.c_str(),0,0)); result = (stringToLL(tok->previous->str) * stringToLL(tok->next->str));
else if (tok->op == '/' || tok->op == '%') { else if (tok->op == '/' || tok->op == '%') {
long long rhs = std::strtoll(tok->next->str.c_str(),0,0); long long rhs = stringToLL(tok->next->str);
if (rhs == 0) if (rhs == 0)
throw std::overflow_error("division/modulo by zero"); throw std::overflow_error("division/modulo by zero");
long long lhs = std::strtoll(tok->previous->str.c_str(),0,0); long long lhs = stringToLL(tok->previous->str);
if (rhs == -1 && lhs == std::numeric_limits<long long>::min()) if (rhs == -1 && lhs == std::numeric_limits<long long>::min())
throw std::overflow_error("division overflow"); throw std::overflow_error("division overflow");
if (tok->op == '/') if (tok->op == '/')
@ -506,9 +530,9 @@ void simplecpp::TokenList::constFoldAddSub(Token *tok) {
long long result; long long result;
if (tok->op == '+') if (tok->op == '+')
result = std::strtoll(tok->previous->str.c_str(),0,0) + std::strtoll(tok->next->str.c_str(),0,0); result = stringToLL(tok->previous->str) + stringToLL(tok->next->str);
else if (tok->op == '-') else if (tok->op == '-')
result = std::strtoll(tok->previous->str.c_str(),0,0) - std::strtoll(tok->next->str.c_str(),0,0); result = stringToLL(tok->previous->str) - stringToLL(tok->next->str);
else else
continue; continue;
@ -530,17 +554,17 @@ void simplecpp::TokenList::constFoldComparison(Token *tok) {
int result; int result;
if (tok->str == "==") if (tok->str == "==")
result = (std::strtoll(tok->previous->str.c_str(),0,0) == std::strtoll(tok->next->str.c_str(),0,0)); result = (stringToLL(tok->previous->str) == stringToLL(tok->next->str));
else if (tok->str == "!=") else if (tok->str == "!=")
result = (std::strtoll(tok->previous->str.c_str(),0,0) != std::strtoll(tok->next->str.c_str(),0,0)); result = (stringToLL(tok->previous->str) != stringToLL(tok->next->str));
else if (tok->str == ">") else if (tok->str == ">")
result = (std::strtoll(tok->previous->str.c_str(),0,0) > std::strtoll(tok->next->str.c_str(),0,0)); result = (stringToLL(tok->previous->str) > stringToLL(tok->next->str));
else if (tok->str == ">=") else if (tok->str == ">=")
result = (std::strtoll(tok->previous->str.c_str(),0,0) >= std::strtoll(tok->next->str.c_str(),0,0)); result = (stringToLL(tok->previous->str) >= stringToLL(tok->next->str));
else if (tok->str == "<") else if (tok->str == "<")
result = (std::strtoll(tok->previous->str.c_str(),0,0) < std::strtoll(tok->next->str.c_str(),0,0)); result = (stringToLL(tok->previous->str) < stringToLL(tok->next->str));
else if (tok->str == "<=") else if (tok->str == "<=")
result = (std::strtoll(tok->previous->str.c_str(),0,0) <= std::strtoll(tok->next->str.c_str(),0,0)); result = (stringToLL(tok->previous->str) <= stringToLL(tok->next->str));
else else
continue; continue;
@ -564,11 +588,11 @@ void simplecpp::TokenList::constFoldBitwise(Token *tok)
continue; continue;
long long result; long long result;
if (tok->op == '&') if (tok->op == '&')
result = (std::strtoll(tok->previous->str.c_str(),0,0) & std::strtoll(tok->next->str.c_str(),0,0)); result = (stringToLL(tok->previous->str) & stringToLL(tok->next->str));
else if (tok->op == '^') else if (tok->op == '^')
result = (std::strtoll(tok->previous->str.c_str(),0,0) ^ std::strtoll(tok->next->str.c_str(),0,0)); result = (stringToLL(tok->previous->str) ^ stringToLL(tok->next->str));
else /*if (tok->op == '|')*/ else /*if (tok->op == '|')*/
result = (std::strtoll(tok->previous->str.c_str(),0,0) | std::strtoll(tok->next->str.c_str(),0,0)); result = (stringToLL(tok->previous->str) | stringToLL(tok->next->str));
tok = tok->previous; tok = tok->previous;
tok->setstr(toString(result)); tok->setstr(toString(result));
deleteToken(tok->next); deleteToken(tok->next);
@ -588,9 +612,9 @@ void simplecpp::TokenList::constFoldLogicalOp(Token *tok) {
int result; int result;
if (tok->str == "||") if (tok->str == "||")
result = (std::strtoll(tok->previous->str.c_str(),0,0) || std::strtoll(tok->next->str.c_str(),0,0)); result = (stringToLL(tok->previous->str) || stringToLL(tok->next->str));
else /*if (tok->str == "&&")*/ else /*if (tok->str == "&&")*/
result = (std::strtoll(tok->previous->str.c_str(),0,0) && std::strtoll(tok->next->str.c_str(),0,0)); result = (stringToLL(tok->previous->str) && stringToLL(tok->next->str));
tok = tok->previous; tok = tok->previous;
tok->setstr(toString(result)); tok->setstr(toString(result));
@ -1116,7 +1140,7 @@ void simplifyNumbers(simplecpp::TokenList &expr) {
if (tok->str.size() == 1U) if (tok->str.size() == 1U)
continue; continue;
if (tok->str.compare(0,2,"0x") == 0) if (tok->str.compare(0,2,"0x") == 0)
tok->setstr(toString(::strtoull(tok->str.substr(2).c_str(), NULL, 16))); tok->setstr(toString(stringToULL(tok->str)));
else if (tok->str[0] == '\'') else if (tok->str[0] == '\'')
tok->setstr(toString(tok->str[1] & 0xffU)); tok->setstr(toString(tok->str[1] & 0xffU));
} }
@ -1128,7 +1152,7 @@ long long evaluate(simplecpp::TokenList expr, const std::map<std::string, std::s
simplifyNumbers(expr); simplifyNumbers(expr);
expr.constFold(); expr.constFold();
// TODO: handle invalid expressions // TODO: handle invalid expressions
return expr.cbegin() && expr.cbegin() == expr.cend() && expr.cbegin()->number ? std::strtoll(expr.cbegin()->str.c_str(),0,0) : 0LL; return expr.cbegin() && expr.cbegin() == expr.cend() && expr.cbegin()->number ? stringToLL(expr.cbegin()->str) : 0LL;
} }
const simplecpp::Token *gotoNextLine(const simplecpp::Token *tok) { const simplecpp::Token *gotoNextLine(const simplecpp::Token *tok) {