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https://github.com/janet-lang/janet
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Make number syntax a bit stricter - no leading underscores
and no underscores in exponent.
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@ -308,8 +308,9 @@ int janet_scan_number(
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} else if (base == 10 && (*str == 'E' || *str == 'e')) {
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foundexp = 1;
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break;
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} else if (*str != '_') {
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/* underscores are ignored - can be used for separator */
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} else if (*str == '_') {
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if (!seenadigit) goto error;
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} else {
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int digit = digit_lookup[*str & 0x7F];
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if (*str > 127 || digit >= base) goto error;
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if (seenpoint) ex--;
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@ -342,10 +343,6 @@ int janet_scan_number(
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}
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while (str < end && ee < (INT32_MAX / 40)) {
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int digit = digit_lookup[*str & 0x7F];
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if (*str == '_') {
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str++;
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continue;
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}
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if (*str > 127 || digit >= base) goto error;
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ee = base * ee + digit;
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str++;
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