diff options
Diffstat (limited to 'elaborate.cxx')
| -rw-r--r-- | elaborate.cxx | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/elaborate.cxx b/elaborate.cxx index be0cfcec..8ec376c0 100644 --- a/elaborate.cxx +++ b/elaborate.cxx @@ -62,8 +62,42 @@ derived_probe::derived_probe (probe *p, probe_point *l): } +void +derived_probe::printsig (ostream& o) const +{ + probe::printsig (o); + printsig_nested (o); +} + +void +derived_probe::printsig_nested (ostream& o) const +{ + // We'd like to enclose the probe derivation chain in a /* */ + // comment delimiter. But just printing /* base->printsig() */ is + // not enough, since base might itself be a derived_probe. So we, + // er, "cleverly" encode our nesting state as a formatting flag for + // the ostream. + ios::fmtflags f = o.flags (ios::internal); + if (f & ios::internal) + { + // already nested + o << " <- "; + base->printsig (o); + } + else + { + // outermost nesting + o << " /* <- "; + base->printsig (o); + o << " */"; + } + // restore flags + (void) o.flags (f); +} + + probe_point* -derived_probe::sole_location () +derived_probe::sole_location () const { if (locations.size() == 0) throw semantic_error ("derived_probe with no locations", this->tok); |