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Add int() and % (modulo)

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This commit is contained in:
Matthias Urlichs 2019-12-04 09:31:21 +01:00
parent a00ff7b06f
commit 329ad97a84
2 changed files with 38 additions and 0 deletions
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35
src/libslic3r/PlaceholderParser.cpp
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@ -332,6 +332,21 @@ namespace client
return expr();
}
expr unary_integer(const Iterator start_pos) const
{
switch (this->type) {
case TYPE_INT :
return expr<Iterator>(this->i(), start_pos, this->it_range.end());
case TYPE_DOUBLE:
return expr<Iterator>((int)(this->d()), start_pos, this->it_range.end());
default:
this->throw_exception("Cannot convert to integer.");
}
assert(false);
// Suppress compiler warnings.
return expr();
}
expr unary_not(const Iterator start_pos) const
{
switch (this->type) {
@ -415,6 +430,22 @@ namespace client
return *this;
}
expr &operator%=(const expr &rhs)
{
this->throw_if_not_numeric("Cannot divide a non-numeric type.");
rhs.throw_if_not_numeric("Cannot divide with a non-numeric type.");
if ((this->type == TYPE_INT) ? (rhs.i() == 0) : (rhs.d() == 0.))
rhs.throw_exception("Division by zero");
if (this->type == TYPE_DOUBLE || rhs.type == TYPE_DOUBLE) {
double d = std::fmod(this->as_d(), rhs.as_d());
this->data.d = d;
this->type = TYPE_DOUBLE;
} else
this->data.i %= rhs.i();
this->it_range = boost::iterator_range<Iterator>(this->it_range.begin(), rhs.it_range.end());
return *this;
}
static void to_string2(expr &self, std::string &out)
{
out = self.to_string();
@ -1087,6 +1118,7 @@ namespace client
unary_expression(_r1) [_val = _1]
>> *( (lit('*') > unary_expression(_r1) ) [_val *= _1]
| (lit('/') > unary_expression(_r1) ) [_val /= _1]
| (lit('%') > unary_expression(_r1) ) [_val %= _1]
);
multiplicative_expression.name("multiplicative_expression");
@ -1107,6 +1139,8 @@ namespace client
{ out = value.unary_minus(out.it_range.begin()); }
static void not_(expr<Iterator> &value, expr<Iterator> &out)
{ out = value.unary_not(out.it_range.begin()); }
static void to_int(expr<Iterator> &value, expr<Iterator> &out)
{ out = value.unary_integer(out.it_range.begin()); }
};
unary_expression = iter_pos[px::bind(&FactorActions::set_start_pos, _1, _val)] >> (
scalar_variable_reference(_r1) [ _val = _1 ]
@ -1118,6 +1152,7 @@ namespace client
[ px::bind(&expr<Iterator>::min, _val, _2) ]
| (kw["max"] > '(' > conditional_expression(_r1) [_val = _1] > ',' > conditional_expression(_r1) > ')')
[ px::bind(&expr<Iterator>::max, _val, _2) ]
| (kw["int"] > '(' > unary_expression(_r1) ) [ px::bind(&FactorActions::to_int, _1, _val) ]
| (strict_double > iter_pos) [ px::bind(&FactorActions::double_, _1, _2, _val) ]
| (int_ > iter_pos) [ px::bind(&FactorActions::int_, _1, _2, _val) ]
| (kw[bool_] > iter_pos) [ px::bind(&FactorActions::bool_, _1, _2, _val) ]