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Support import if single items.

This commit is contained in:
Stephen Williams 2013-02-14 18:25:10 -08:00
parent 99b8086ad2
commit 97f3a01dc5
1 changed files with 22 additions and 5 deletions
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27
pform_package.cc
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@ -82,15 +82,32 @@ void pform_package_import(const struct vlltype&, const char*pkg_name, const char
return; return;
} }
perm_string use_ident;
if (ident) use_ident = lex_strings.make(ident);
PPackage*pkg = pcur->second; PPackage*pkg = pcur->second;
LexicalScope*scope = pform_peek_scope(); LexicalScope*scope = pform_peek_scope();
for (map<perm_string,LexicalScope::param_expr_t>::const_iterator cur = pkg->parameters.begin() if (ident) {
; cur != pkg->parameters.end() ; ++cur) { perm_string use_ident = lex_strings.make(ident);
map<perm_string,LexicalScope::param_expr_t>::const_iterator cur
= pkg->parameters.find(use_ident);
if (cur == pkg->parameters.end()) {
ostringstream msg;
msg << "Symbol " << use_ident
<< " not found in package " << pcur->first << "." << ends;
VLerror(msg.str().c_str());
return;
}
scope->parameters[cur->first] = cur->second; scope->parameters[cur->first] = cur->second;
} else {
// Handle the pkg::* case by importing everything from
// the package.
for (map<perm_string,LexicalScope::param_expr_t>::const_iterator cur = pkg->parameters.begin()
; cur != pkg->parameters.end() ; ++cur) {
scope->parameters[cur->first] = cur->second;
}
} }
} }