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netlist: add elif processing to preprocessor. [Couriersud]

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This commit is contained in:
couriersud 2020-05-06 22:43:32 +02:00
parent 2dbdd730b1
commit 53ac38cf35
1 changed files with 12 additions and 0 deletions
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12
src/lib/netlist/plib/ppreprocessor.cpp
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@ -484,6 +484,18 @@ namespace plib {
{ {
m_if_flag ^= (1 << m_if_level); m_if_flag ^= (1 << m_if_level);
} }
else if (lti[0] == "#elif")
{
m_if_flag ^= (1 << m_if_level);
lt = replace_macros(lt);
auto t(simple_iter<ppreprocessor>(this, tokenize(lt.substr(5), m_expr_sep, true, true)));
auto val = static_cast<int>(prepro_expr(t, 255));
t.skip_ws();
if (!t.eod())
error("found unprocessed content at end of line");
if (val == 0)
m_if_flag |= (1 << m_if_level);
}
else if (lti[0] == "#endif") else if (lti[0] == "#endif")
{ {
m_if_flag &= ~(1 << m_if_level); m_if_flag &= ~(1 << m_if_level);