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hoa: add alias support

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* src/hoaparse/hoaparse.yy: Here.
* src/tgbatest/hoaparse.test: Test it.
This commit is contained in:
Alexandre Duret-Lutz 2014-11-21 11:05:24 +01:00
parent 691ab05926
commit 7a03228880
2 changed files with 83 additions and 3 deletions
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22
src/hoaparse/hoaparse.yy
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@ -32,6 +32,7 @@
#include <string>
#include <cstring>
#include <sstream>
#include <unordered_map>
#include "ltlast/constant.hh"
#include "public.hh"
@ -48,6 +49,7 @@
std::vector<bdd> guards;
std::vector<bdd>::const_iterator cur_guard;
std::vector<bool> declared_states; // States that have been declared.
std::unordered_map<std::string, bdd> alias;
spot::location states_loc;
spot::location ap_loc;
spot::location state_label_loc;
@ -238,6 +240,12 @@ header-item: "States:" INT
}
| "Alias:" ANAME label-expr
{
if (!res.alias.emplace(*$2, bdd_from_int($3)).second)
{
std::ostringstream o;
o << "ignoring redefinition of alias @" << *$2;
error(@$, o.str());
}
delete $2;
bdd_delref($3);
}
@ -352,10 +360,18 @@ label-expr: 't'
}
| ANAME
{
auto i = res.alias.find(*$1);
if (i == res.alias.end())
{
error(@$, "unknown alias @" + *$1);
$$ = 1;
}
else
{
$$ = i->second.id();
bdd_addref($$);
}
delete $1;
error(@1, "aliases are not yet supported");
YYABORT;
$$ = 0;
}
| '!' label-expr
{