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Fix tokenizer int overflow

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This commit is contained in:
ala89 2023-12-15 14:46:24 +01:00
parent f7af17c899
commit 965d834d22
2 changed files with 8 additions and 1 deletions
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1
src/include/types.h
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@ -197,6 +197,7 @@ enum class ErrorType {
// Lexing // Lexing
UnknownToken, UnknownToken,
IntegerTooLarge,
// Parsing // Parsing
EmptyInput, EmptyInput,

8
src/tokenize.cpp
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@ -221,9 +221,15 @@ vector<Token> tokenize(vector<string> input, int initial_line) {
} }
if (regex_search(str, m, INT_REGEX, regex_constants::match_continuous)) { if (regex_search(str, m, INT_REGEX, regex_constants::match_continuous)) {
int val;
try { val = stoi(m.str()); }
catch (const out_of_range& e) {
throw SyntaxError(ErrorType::IntegerTooLarge, pos);
}
Token token = { Token token = {
.type = TokenType::Litteral, .type = TokenType::Litteral,
.data = stoi(m.str()), .data = val,
.pos = pos .pos = pos
}; };
tokens.emplace_back(token); tokens.emplace_back(token);