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Merge pull request #1846 from dh73/ast_fe

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Adding error message for when size (width) of number literal is zero
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Claire Wolf 2020-04-02 18:15:15 +02:00 • committed by GitHub
commit c69f4b246a
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frontends/verilog/const2ast.cc
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@ -139,6 +139,9 @@ static void my_strtobin(std::vector<RTLIL::State> &data, const char *str, int le
data.resize(len_in_bits, msb); data.resize(len_in_bits, msb);
} }
if (len_in_bits == 0)
log_file_error(current_filename, get_line_num(), "Illegal integer constant size of zero (IEEE 1800-2012, 5.7).\n");
if (len > len_in_bits) if (len > len_in_bits)
log_warning("Literal has a width of %d bit, but value requires %d bit. (%s:%d)\n", log_warning("Literal has a width of %d bit, but value requires %d bit. (%s:%d)\n",
len_in_bits, len, current_filename.c_str(), get_line_num()); len_in_bits, len, current_filename.c_str(), get_line_num());