1
1
Fork 0
mirror of https://github.com/NixOS/nix.git synced 2025-11-19 00:39:37 +01:00

* Drop ATmake / ATMatcher also in handling store expressions.

This commit is contained in:
Eelco Dolstra 2004-10-29 11:22:49 +00:00
parent ed09821859
commit a69534fc21
19 changed files with 118 additions and 258 deletions

View file

@ -36,48 +36,6 @@ public:
};
/* Type-safe matching. */
struct ATMatcher
{
ATerm t;
int pos;
const static int failPos = -2;
const static int funPos = -1;
ATMatcher() : t(0), pos(failPos)
{
}
operator bool() const
{
return pos != failPos;
}
};
/* Initiate matching of a term. */
ATMatcher & atMatch(ATMatcher & pos, ATerm t);
/* Get the next argument of an application. */
ATMatcher & operator >> (ATMatcher & pos, ATerm & out);
/* Get the name of the function symbol of an application, or the next
argument of an application as a string. */
ATMatcher & operator >> (ATMatcher & pos, string & out);
/* Like the previous, but check that the string is equal to the given
string. */
ATMatcher & operator >> (ATMatcher & pos, const string & s);
/* Get the next argument of an application, and verify that it is a
integer. */
ATMatcher & operator >> (ATMatcher & pos, int & n);
/* Get the next argument of an application, and verify that it is a
list. */
ATMatcher & operator >> (ATMatcher & pos, ATermList & out);
/* Throw an exception with an error message containing the given
aterm. */
Error badTerm(const format & f, ATerm t);