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fix: reject invalid Maple range options #6

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fix: reject invalid Maple range options #6

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14 changes: 12 additions & 2 deletions ecmascript/compiler/codegen/maple/maple_be/src/cg/cg_option.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
*/

#include "cg_option.h"
#include <charconv>
#include "cg_options.h"
#include "triple.h"
#include "option.h"
Expand Down Expand Up @@ -286,8 +287,17 @@ void CGOptions::SetRange(const std::string &str, const std::string &cmd, Range &
subRange.enable = true;

if (comma != std::string::npos) {
subRange.begin = std::stoul(tmpStr.substr(0, comma), nullptr);
subRange.end = std::stoul(tmpStr.substr(comma + 1, std::string::npos - (comma + 1)), nullptr);
const std::string beginText = tmpStr.substr(0, comma);
const std::string endText = tmpStr.substr(comma + 1);
uint64 beginValue = 0;
uint64 endValue = 0;
auto beginParsed = std::from_chars(beginText.data(), beginText.data() + beginText.size(), beginValue);
auto endParsed = std::from_chars(endText.data(), endText.data() + endText.size(), endValue);
CHECK_FATAL(beginParsed.ec == std::errc{} && beginParsed.ptr == beginText.data() + beginText.size() &&
endParsed.ec == std::errc{} && endParsed.ptr == endText.data() + endText.size(),
"invalid range values for %s", cmd.c_str());
subRange.begin = beginValue;
subRange.end = endValue;
}
CHECK_FATAL(range.begin < range.end, "invalid values for %s=%lu,%lu", cmd.c_str(), subRange.begin, subRange.end);
}
Expand Down