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Support write_to_stream for arithmetic expressions.

This commit is contained in:
Stephen Williams 2011-11-05 15:55:41 -07:00
parent 2063c5ee9d
commit cc508d1626
2 changed files with 41 additions and 3 deletions
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5
vhdlpp/expression.h
View File

@ -162,6 +162,11 @@ class ExpBinary : public Expression {
bool eval_operand1(ScopeBase*scope, int64_t&val) const;
bool eval_operand2(ScopeBase*scope, int64_t&val) const;
inline void write_to_stream_operand1(std::ostream&out)
{ operand1_->write_to_stream(out); }
inline void write_to_stream_operand2(std::ostream&out)
{ operand2_->write_to_stream(out); }
void dump_operands(ostream&out, int indent = 0) const;
private:

39
vhdlpp/expression_stream.cc
View File

@ -28,9 +28,42 @@ void ExpAggregate::write_to_stream(ostream&)
ivl_assert(*this, !"Not supported");
}
void ExpArithmetic::write_to_stream(ostream&)
void ExpArithmetic::write_to_stream(ostream&out)
{
ivl_assert(*this, !"Not supported");
out << "(";
write_to_stream_operand1(out);
out << ")";
switch (fun_) {
case PLUS:
out << "+";
break;
case MINUS:
out << "-";
break;
case MULT:
out << "*";
break;
case DIV:
out << "/";
break;
case MOD:
out << "mod";
break;
case REM:
out << "rem";
break;
case POW:
out << "**";
break;
case CONCAT:
out << "&";
break;
}
out << "(";
write_to_stream_operand2(out);
out << ")";
}
void ExpAttribute::write_to_stream(ostream&)
@ -92,7 +125,7 @@ void ExpRelation::write_to_stream(ostream&)
ivl_assert(*this, !"Not supported");
}
void ExpString::write_to_stream(ostream&fd)
void ExpString::write_to_stream(ostream&)
{
ivl_assert(*this, !"Not supported");
}