mirror of
https://github.com/privatevoid-net/nix-super.git
synced 2024-11-30 01:26:15 +02:00
* More primops.
This commit is contained in:
Eelco Dolstra
parent
c3aa615a5f
commit
c9170be2bd
4 changed files with 92 additions and 184 deletions
|
|
@ -405,21 +405,35 @@ void EvalState::eval(Env & env, Expr e, Value & v)
|
|||
}
|
||||
|
||||
if (matchConcatStrings(e, es)) {
|
||||
unsigned int n = ATgetLength(es), j = 0;
|
||||
Value vs[n];
|
||||
unsigned int len = 0;
|
||||
for (ATermIterator i(es); i; ++i, ++j) {
|
||||
eval(env, *i, vs[j]);
|
||||
if (vs[j].type != tString) throw TypeError("string expected");
|
||||
len += strlen(vs[j].string.s);
|
||||
PathSet context;
|
||||
std::ostringstream s;
|
||||
|
||||
bool first = true, isPath;
|
||||
|
||||
for (ATermIterator i(es); i; ++i) {
|
||||
eval(env, *i, v);
|
||||
|
||||
/* If the first element is a path, then the result will
|
||||
also be a path, we don't copy anything (yet - that's
|
||||
done later, since paths are copied when they are used
|
||||
in a derivation), and none of the strings are allowed
|
||||
to have contexts. */
|
||||
if (first) {
|
||||
isPath = v.type == tPath;
|
||||
first = false;
|
||||
}
|
||||
|
||||
s << coerceToString(v, context, false, !isPath);
|
||||
}
|
||||
char * s = new char[len + 1], * t = s;
|
||||
for (unsigned int i = 0; i < j; ++i) {
|
||||
strcpy(t, vs[i].string.s);
|
||||
t += strlen(vs[i].string.s);
|
||||
}
|
||||
*t = 0;
|
||||
mkString(v, s);
|
||||
|
||||
if (isPath && !context.empty())
|
||||
throw EvalError(format("a string that refers to a store path cannot be appended to a path, in `%1%'")
|
||||
% s.str());
|
||||
|
||||
if (isPath)
|
||||
mkPath(v, strdup(s.str().c_str()));
|
||||
else
|
||||
mkString(v, strdup(s.str().c_str())); // !!! context
|
||||
return;
|
||||
}
|
||||
|
||||
|
|
@ -969,116 +983,6 @@ ATermList flattenList(EvalState & state, Expr e)
|
|||
}
|
||||
|
||||
|
||||
string coerceToString(EvalState & state, Expr e, PathSet & context,
|
||||
bool coerceMore, bool copyToStore)
|
||||
{
|
||||
e = evalExpr(state, e);
|
||||
|
||||
string s;
|
||||
|
||||
if (matchStr(e, s, context)) return s;
|
||||
|
||||
ATerm s2;
|
||||
if (matchPath(e, s2)) {
|
||||
Path path(canonPath(aterm2String(s2)));
|
||||
|
||||
if (!copyToStore) return path;
|
||||
|
||||
if (isDerivation(path))
|
||||
throw EvalError(format("file names are not allowed to end in `%1%'")
|
||||
% drvExtension);
|
||||
|
||||
Path dstPath;
|
||||
if (state.srcToStore[path] != "")
|
||||
dstPath = state.srcToStore[path];
|
||||
else {
|
||||
dstPath = readOnlyMode
|
||||
? computeStorePathForPath(path).first
|
||||
: store->addToStore(path);
|
||||
state.srcToStore[path] = dstPath;
|
||||
printMsg(lvlChatty, format("copied source `%1%' -> `%2%'")
|
||||
% path % dstPath);
|
||||
}
|
||||
|
||||
context.insert(dstPath);
|
||||
return dstPath;
|
||||
}
|
||||
|
||||
ATermList es;
|
||||
if (matchAttrs(e, es)) {
|
||||
Expr e2 = queryAttr(e, "outPath");
|
||||
if (!e2) throwTypeError("cannot coerce an attribute set (except a derivation) to a string");
|
||||
return coerceToString(state, e2, context, coerceMore, copyToStore);
|
||||
}
|
||||
|
||||
if (coerceMore) {
|
||||
|
||||
/* Note that `false' is represented as an empty string for
|
||||
shell scripting convenience, just like `null'. */
|
||||
if (e == eTrue) return "1";
|
||||
if (e == eFalse) return "";
|
||||
int n;
|
||||
if (matchInt(e, n)) return int2String(n);
|
||||
if (matchNull(e)) return "";
|
||||
|
||||
if (matchList(e, es)) {
|
||||
string result;
|
||||
es = flattenList(state, e);
|
||||
bool first = true;
|
||||
for (ATermIterator i(es); i; ++i) {
|
||||
if (!first) result += " "; else first = false;
|
||||
result += coerceToString(state, *i,
|
||||
context, coerceMore, copyToStore);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
throwTypeError("cannot coerce %1% to a string", showType(e));
|
||||
}
|
||||
|
||||
|
||||
/* Common implementation of `+', ConcatStrings and `~'. */
|
||||
static ATerm concatStrings(EvalState & state, ATermVector & args,
|
||||
string separator = "")
|
||||
{
|
||||
if (args.empty()) return makeStr("", PathSet());
|
||||
|
||||
PathSet context;
|
||||
std::ostringstream s;
|
||||
|
||||
/* If the first element is a path, then the result will also be a
|
||||
path, we don't copy anything (yet - that's done later, since
|
||||
paths are copied when they are used in a derivation), and none
|
||||
of the strings are allowed to have contexts. */
|
||||
ATerm dummy;
|
||||
args.front() = evalExpr(state, args.front());
|
||||
bool isPath = matchPath(args.front(), dummy);
|
||||
|
||||
for (ATermVector::const_iterator i = args.begin(); i != args.end(); ++i) {
|
||||
if (i != args.begin()) s << separator;
|
||||
s << coerceToString(state, *i, context, false, !isPath);
|
||||
}
|
||||
|
||||
if (isPath && !context.empty())
|
||||
throw EvalError(format("a string that refers to a store path cannot be appended to a path, in `%1%'")
|
||||
% s.str());
|
||||
|
||||
return isPath
|
||||
? makePath(toATerm(s.str()))
|
||||
: makeStr(s.str(), context);
|
||||
}
|
||||
|
||||
|
||||
Path coerceToPath(EvalState & state, Expr e, PathSet & context)
|
||||
{
|
||||
string path = coerceToString(state, e, context, false, false);
|
||||
if (path == "" || path[0] != '/')
|
||||
throw EvalError(format("string `%1%' doesn't represent an absolute path") % path);
|
||||
return path;
|
||||
}
|
||||
|
||||
|
||||
Expr autoCallFunction(Expr e, const ATermMap & args)
|
||||
{
|
||||
Pattern pat;
|
||||
|
|
@ -1515,16 +1419,16 @@ Expr strictEvalExpr(EvalState & state, Expr e)
|
|||
#endif
|
||||
|
||||
|
||||
void printEvalStats(EvalState & state)
|
||||
void EvalState::printStats()
|
||||
{
|
||||
char x;
|
||||
bool showStats = getEnv("NIX_SHOW_STATS", "0") != "0";
|
||||
printMsg(showStats ? lvlInfo : lvlDebug,
|
||||
format("evaluated %1% expressions, used %2% bytes of stack space, allocated %3% values, allocated %4% environments")
|
||||
% state.nrEvaluated
|
||||
% nrEvaluated
|
||||
% (&x - deepestStack)
|
||||
% state.nrValues
|
||||
% state.nrEnvs);
|
||||
% nrValues
|
||||
% nrEnvs);
|
||||
if (showStats)
|
||||
printATermMapStats();
|
||||
}
|
||||
|
|
|
|||
|
|
@ -132,7 +132,7 @@ struct EvalState;
|
|||
std::ostream & operator << (std::ostream & str, Value & v);
|
||||
|
||||
|
||||
struct EvalState
|
||||
class EvalState
|
||||
{
|
||||
DrvRoots drvRoots;
|
||||
DrvHashes drvHashes; /* normalised derivation hashes */
|
||||
|
|
@ -144,6 +144,8 @@ struct EvalState
|
|||
|
||||
bool allowUnsafeEquality;
|
||||
|
||||
public:
|
||||
|
||||
EvalState();
|
||||
|
||||
/* Evaluate an expression read from the given file to normal
|
||||
|
|
@ -214,6 +216,9 @@ public:
|
|||
Env & allocEnv();
|
||||
|
||||
void mkList(Value & v, unsigned int length);
|
||||
|
||||
/* Print statistics. */
|
||||
void printStats();
|
||||
};
|
||||
|
||||
|
||||
|
|
@ -244,9 +249,6 @@ ATermList flattenList(EvalState & state, Expr e);
|
|||
Expr autoCallFunction(Expr e, const ATermMap & args);
|
||||
#endif
|
||||
|
||||
/* Print statistics. */
|
||||
void printEvalStats(EvalState & state);
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -47,14 +47,14 @@ static void prim_import(EvalState & state, Value * * args, Value & v)
|
|||
|
||||
#if 0
|
||||
/* Determine whether the argument is the null value. */
|
||||
static Expr prim_isNull(EvalState & state, const ATermVector & args)
|
||||
static void prim_isNull(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
return makeBool(matchNull(evalExpr(state, args[0])));
|
||||
}
|
||||
|
||||
|
||||
/* Determine whether the argument is a function. */
|
||||
static Expr prim_isFunction(EvalState & state, const ATermVector & args)
|
||||
static void prim_isFunction(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
Expr e = evalExpr(state, args[0]);
|
||||
Pattern pat;
|
||||
|
|
@ -63,14 +63,14 @@ static Expr prim_isFunction(EvalState & state, const ATermVector & args)
|
|||
}
|
||||
|
||||
/* Determine whether the argument is an Int. */
|
||||
static Expr prim_isInt(EvalState & state, const ATermVector & args)
|
||||
static void prim_isInt(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
int i;
|
||||
return makeBool(matchInt(evalExpr(state, args[0]), i));
|
||||
}
|
||||
|
||||
/* Determine whether the argument is an String. */
|
||||
static Expr prim_isString(EvalState & state, const ATermVector & args)
|
||||
static void prim_isString(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
string s;
|
||||
PathSet l;
|
||||
|
|
@ -78,13 +78,13 @@ static Expr prim_isString(EvalState & state, const ATermVector & args)
|
|||
}
|
||||
|
||||
/* Determine whether the argument is an Bool. */
|
||||
static Expr prim_isBool(EvalState & state, const ATermVector & args)
|
||||
static void prim_isBool(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
ATermBool b;
|
||||
return makeBool(matchBool(evalExpr(state, args[0]), b));
|
||||
}
|
||||
|
||||
static Expr prim_genericClosure(EvalState & state, const ATermVector & args)
|
||||
static void prim_genericClosure(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
startNest(nest, lvlDebug, "finding dependencies");
|
||||
|
||||
|
|
@ -132,7 +132,7 @@ static Expr prim_genericClosure(EvalState & state, const ATermVector & args)
|
|||
}
|
||||
|
||||
|
||||
static Expr prim_abort(EvalState & state, const ATermVector & args)
|
||||
static void prim_abort(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
PathSet context;
|
||||
throw Abort(format("evaluation aborted with the following error message: `%1%'") %
|
||||
|
|
@ -140,7 +140,7 @@ static Expr prim_abort(EvalState & state, const ATermVector & args)
|
|||
}
|
||||
|
||||
|
||||
static Expr prim_throw(EvalState & state, const ATermVector & args)
|
||||
static void prim_throw(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
PathSet context;
|
||||
throw ThrownError(format("user-thrown exception: %1%") %
|
||||
|
|
@ -148,7 +148,7 @@ static Expr prim_throw(EvalState & state, const ATermVector & args)
|
|||
}
|
||||
|
||||
|
||||
static Expr prim_addErrorContext(EvalState & state, const ATermVector & args)
|
||||
static void prim_addErrorContext(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
PathSet context;
|
||||
try {
|
||||
|
|
@ -162,7 +162,7 @@ static Expr prim_addErrorContext(EvalState & state, const ATermVector & args)
|
|||
|
||||
/* Try evaluating the argument. Success => {success=true; value=something;},
|
||||
* else => {success=false; value=false;} */
|
||||
static Expr prim_tryEval(EvalState & state, const ATermVector & args)
|
||||
static void prim_tryEval(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
ATermMap res = ATermMap();
|
||||
try {
|
||||
|
|
@ -179,7 +179,7 @@ static Expr prim_tryEval(EvalState & state, const ATermVector & args)
|
|||
|
||||
|
||||
/* Return an environment variable. Use with care. */
|
||||
static Expr prim_getEnv(EvalState & state, const ATermVector & args)
|
||||
static void prim_getEnv(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
string name = evalStringNoCtx(state, args[0]);
|
||||
return makeStr(getEnv(name));
|
||||
|
|
@ -190,7 +190,7 @@ static Expr prim_getEnv(EvalState & state, const ATermVector & args)
|
|||
on standard error. Then return the second expression. Useful for
|
||||
debugging.
|
||||
*/
|
||||
static Expr prim_trace(EvalState & state, const ATermVector & args)
|
||||
static void prim_trace(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
Expr e = evalExpr(state, args[0]);
|
||||
string s;
|
||||
|
|
@ -272,7 +272,7 @@ static Hash hashDerivationModulo(EvalState & state, Derivation drv)
|
|||
derivation; `drvPath' containing the path of the Nix expression;
|
||||
and `type' set to `derivation' to indicate that this is a
|
||||
derivation. */
|
||||
static Expr prim_derivationStrict(EvalState & state, const ATermVector & args)
|
||||
static void prim_derivationStrict(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
startNest(nest, lvlVomit, "evaluating derivation");
|
||||
|
||||
|
|
@ -470,7 +470,7 @@ static Expr prim_derivationStrict(EvalState & state, const ATermVector & args)
|
|||
}
|
||||
|
||||
|
||||
static Expr prim_derivationLazy(EvalState & state, const ATermVector & args)
|
||||
static void prim_derivationLazy(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
Expr eAttrs = evalExpr(state, args[0]);
|
||||
ATermMap attrs;
|
||||
|
|
@ -496,7 +496,7 @@ static Expr prim_derivationLazy(EvalState & state, const ATermVector & args)
|
|||
|
||||
|
||||
/* Convert the argument to a path. !!! obsolete? */
|
||||
static Expr prim_toPath(EvalState & state, const ATermVector & args)
|
||||
static void prim_toPath(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
PathSet context;
|
||||
string path = coerceToPath(state, args[0], context);
|
||||
|
|
@ -512,7 +512,7 @@ static Expr prim_toPath(EvalState & state, const ATermVector & args)
|
|||
/nix/store/newhash-oldhash-oldname. In the past, `toPath' had
|
||||
special case behaviour for store paths, but that created weird
|
||||
corner cases. */
|
||||
static Expr prim_storePath(EvalState & state, const ATermVector & args)
|
||||
static void prim_storePath(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
PathSet context;
|
||||
Path path = canonPath(coerceToPath(state, args[0], context));
|
||||
|
|
@ -526,7 +526,7 @@ static Expr prim_storePath(EvalState & state, const ATermVector & args)
|
|||
}
|
||||
|
||||
|
||||
static Expr prim_pathExists(EvalState & state, const ATermVector & args)
|
||||
static void prim_pathExists(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
PathSet context;
|
||||
Path path = coerceToPath(state, args[0], context);
|
||||
|
|
@ -538,7 +538,7 @@ static Expr prim_pathExists(EvalState & state, const ATermVector & args)
|
|||
|
||||
/* Return the base name of the given string, i.e., everything
|
||||
following the last slash. */
|
||||
static Expr prim_baseNameOf(EvalState & state, const ATermVector & args)
|
||||
static void prim_baseNameOf(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
PathSet context;
|
||||
return makeStr(baseNameOf(coerceToString(state, args[0], context)), context);
|
||||
|
|
@ -548,7 +548,7 @@ static Expr prim_baseNameOf(EvalState & state, const ATermVector & args)
|
|||
/* Return the directory of the given path, i.e., everything before the
|
||||
last slash. Return either a path or a string depending on the type
|
||||
of the argument. */
|
||||
static Expr prim_dirOf(EvalState & state, const ATermVector & args)
|
||||
static void prim_dirOf(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
PathSet context;
|
||||
Expr e = evalExpr(state, args[0]); ATerm dummy;
|
||||
|
|
@ -559,7 +559,7 @@ static Expr prim_dirOf(EvalState & state, const ATermVector & args)
|
|||
|
||||
|
||||
/* Return the contents of a file as a string. */
|
||||
static Expr prim_readFile(EvalState & state, const ATermVector & args)
|
||||
static void prim_readFile(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
PathSet context;
|
||||
Path path = coerceToPath(state, args[0], context);
|
||||
|
|
@ -577,7 +577,7 @@ static Expr prim_readFile(EvalState & state, const ATermVector & args)
|
|||
/* Convert the argument (which can be any Nix expression) to an XML
|
||||
representation returned in a string. Not all Nix expressions can
|
||||
be sensibly or completely represented (e.g., functions). */
|
||||
static Expr prim_toXML(EvalState & state, const ATermVector & args)
|
||||
static void prim_toXML(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
std::ostringstream out;
|
||||
PathSet context;
|
||||
|
|
@ -588,7 +588,7 @@ static Expr prim_toXML(EvalState & state, const ATermVector & args)
|
|||
|
||||
/* Store a string in the Nix store as a source file that can be used
|
||||
as an input by derivations. */
|
||||
static Expr prim_toFile(EvalState & state, const ATermVector & args)
|
||||
static void prim_toFile(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
PathSet context;
|
||||
string name = evalStringNoCtx(state, args[0]);
|
||||
|
|
@ -647,7 +647,7 @@ struct FilterFromExpr : PathFilter
|
|||
};
|
||||
|
||||
|
||||
static Expr prim_filterSource(EvalState & state, const ATermVector & args)
|
||||
static void prim_filterSource(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
PathSet context;
|
||||
Path path = coerceToPath(state, args[1], context);
|
||||
|
|
@ -671,7 +671,7 @@ static Expr prim_filterSource(EvalState & state, const ATermVector & args)
|
|||
|
||||
/* Return the names of the attributes in an attribute set as a sorted
|
||||
list of strings. */
|
||||
static Expr prim_attrNames(EvalState & state, const ATermVector & args)
|
||||
static void prim_attrNames(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
ATermMap attrs;
|
||||
queryAllAttrs(evalExpr(state, args[0]), attrs);
|
||||
|
|
@ -690,7 +690,7 @@ static Expr prim_attrNames(EvalState & state, const ATermVector & args)
|
|||
|
||||
|
||||
/* Dynamic version of the `.' operator. */
|
||||
static Expr prim_getAttr(EvalState & state, const ATermVector & args)
|
||||
static void prim_getAttr(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
string attr = evalStringNoCtx(state, args[0]);
|
||||
return evalExpr(state, makeSelect(args[1], toATerm(attr)));
|
||||
|
|
@ -698,7 +698,7 @@ static Expr prim_getAttr(EvalState & state, const ATermVector & args)
|
|||
|
||||
|
||||
/* Dynamic version of the `?' operator. */
|
||||
static Expr prim_hasAttr(EvalState & state, const ATermVector & args)
|
||||
static void prim_hasAttr(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
string attr = evalStringNoCtx(state, args[0]);
|
||||
return evalExpr(state, makeOpHasAttr(args[1], toATerm(attr)));
|
||||
|
|
@ -709,7 +709,7 @@ static Expr prim_hasAttr(EvalState & state, const ATermVector & args)
|
|||
pairs. To be precise, a list [{name = "name1"; value = value1;}
|
||||
... {name = "nameN"; value = valueN;}] is transformed to {name1 =
|
||||
value1; ... nameN = valueN;}. */
|
||||
static Expr prim_listToAttrs(EvalState & state, const ATermVector & args)
|
||||
static void prim_listToAttrs(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
try {
|
||||
ATermMap res = ATermMap();
|
||||
|
|
@ -739,7 +739,7 @@ static Expr prim_listToAttrs(EvalState & state, const ATermVector & args)
|
|||
}
|
||||
|
||||
|
||||
static Expr prim_removeAttrs(EvalState & state, const ATermVector & args)
|
||||
static void prim_removeAttrs(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
ATermMap attrs;
|
||||
queryAllAttrs(evalExpr(state, args[0]), attrs, true);
|
||||
|
|
@ -755,7 +755,7 @@ static Expr prim_removeAttrs(EvalState & state, const ATermVector & args)
|
|||
|
||||
|
||||
/* Determine whether the argument is an attribute set. */
|
||||
static Expr prim_isAttrs(EvalState & state, const ATermVector & args)
|
||||
static void prim_isAttrs(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
ATermList list;
|
||||
return makeBool(matchAttrs(evalExpr(state, args[0]), list));
|
||||
|
|
@ -765,7 +765,7 @@ static Expr prim_isAttrs(EvalState & state, const ATermVector & args)
|
|||
/* Return the right-biased intersection of two attribute sets as1 and
|
||||
as2, i.e. a set that contains every attribute from as2 that is also
|
||||
a member of as1. */
|
||||
static Expr prim_intersectAttrs(EvalState & state, const ATermVector & args)
|
||||
static void prim_intersectAttrs(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
ATermMap as1, as2;
|
||||
queryAllAttrs(evalExpr(state, args[0]), as1, true);
|
||||
|
|
@ -807,7 +807,7 @@ static void attrsInPattern(ATermMap & map, Pattern pat)
|
|||
functionArgs (x: ...)
|
||||
=> { }
|
||||
*/
|
||||
static Expr prim_functionArgs(EvalState & state, const ATermVector & args)
|
||||
static void prim_functionArgs(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
Expr f = evalExpr(state, args[0]);
|
||||
ATerm pat, body, pos;
|
||||
|
|
@ -827,7 +827,7 @@ static Expr prim_functionArgs(EvalState & state, const ATermVector & args)
|
|||
|
||||
|
||||
/* Determine whether the argument is a list. */
|
||||
static Expr prim_isList(EvalState & state, const ATermVector & args)
|
||||
static void prim_isList(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
ATermList list;
|
||||
return makeBool(matchList(evalExpr(state, args[0]), list));
|
||||
|
|
@ -877,7 +877,7 @@ static void prim_map(EvalState & state, Value * * args, Value & v)
|
|||
|
||||
#if 0
|
||||
/* Return the length of a list. This is an O(1) time operation. */
|
||||
static Expr prim_length(EvalState & state, const ATermVector & args)
|
||||
static void prim_length(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
ATermList list = evalList(state, args[0]);
|
||||
return makeInt(ATgetLength(list));
|
||||
|
|
@ -897,7 +897,7 @@ static void prim_add(EvalState & state, Value * * args, Value & v)
|
|||
|
||||
|
||||
#if 0
|
||||
static Expr prim_sub(EvalState & state, const ATermVector & args)
|
||||
static void prim_sub(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
int i1 = evalInt(state, args[0]);
|
||||
int i2 = evalInt(state, args[1]);
|
||||
|
|
@ -905,7 +905,7 @@ static Expr prim_sub(EvalState & state, const ATermVector & args)
|
|||
}
|
||||
|
||||
|
||||
static Expr prim_mul(EvalState & state, const ATermVector & args)
|
||||
static void prim_mul(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
int i1 = evalInt(state, args[0]);
|
||||
int i2 = evalInt(state, args[1]);
|
||||
|
|
@ -913,20 +913,19 @@ static Expr prim_mul(EvalState & state, const ATermVector & args)
|
|||
}
|
||||
|
||||
|
||||
static Expr prim_div(EvalState & state, const ATermVector & args)
|
||||
static void prim_div(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
int i1 = evalInt(state, args[0]);
|
||||
int i2 = evalInt(state, args[1]);
|
||||
if (i2 == 0) throw EvalError("division by zero");
|
||||
return makeInt(i1 / i2);
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
static Expr prim_lessThan(EvalState & state, const ATermVector & args)
|
||||
static void prim_lessThan(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
int i1 = evalInt(state, args[0]);
|
||||
int i2 = evalInt(state, args[1]);
|
||||
return makeBool(i1 < i2);
|
||||
mkBool(v, state.forceInt(*args[0]) < state.forceInt(*args[1]));
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -938,19 +937,20 @@ static Expr prim_lessThan(EvalState & state, const ATermVector & args)
|
|||
/* Convert the argument to a string. Paths are *not* copied to the
|
||||
store, so `toString /foo/bar' yields `"/foo/bar"', not
|
||||
`"/nix/store/whatever..."'. */
|
||||
static Expr prim_toString(EvalState & state, const ATermVector & args)
|
||||
static void prim_toString(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
PathSet context;
|
||||
string s = coerceToString(state, args[0], context, true, false);
|
||||
return makeStr(s, context);
|
||||
string s = state.coerceToString(*args[0], context, true, false);
|
||||
mkString(v, strdup(s.c_str())); // !!! context
|
||||
}
|
||||
|
||||
|
||||
#if 0
|
||||
/* `substring start len str' returns the substring of `str' starting
|
||||
at character position `min(start, stringLength str)' inclusive and
|
||||
ending at `min(start + len, stringLength str)'. `start' must be
|
||||
non-negative. */
|
||||
static Expr prim_substring(EvalState & state, const ATermVector & args)
|
||||
static void prim_substring(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
int start = evalInt(state, args[0]);
|
||||
int len = evalInt(state, args[1]);
|
||||
|
|
@ -963,7 +963,7 @@ static Expr prim_substring(EvalState & state, const ATermVector & args)
|
|||
}
|
||||
|
||||
|
||||
static Expr prim_stringLength(EvalState & state, const ATermVector & args)
|
||||
static void prim_stringLength(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
PathSet context;
|
||||
string s = coerceToString(state, args[0], context);
|
||||
|
|
@ -971,7 +971,7 @@ static Expr prim_stringLength(EvalState & state, const ATermVector & args)
|
|||
}
|
||||
|
||||
|
||||
static Expr prim_unsafeDiscardStringContext(EvalState & state, const ATermVector & args)
|
||||
static void prim_unsafeDiscardStringContext(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
PathSet context;
|
||||
string s = coerceToString(state, args[0], context);
|
||||
|
|
@ -985,7 +985,7 @@ static Expr prim_unsafeDiscardStringContext(EvalState & state, const ATermVector
|
|||
source-only deployment). This primop marks the string context so
|
||||
that builtins.derivation adds the path to drv.inputSrcs rather than
|
||||
drv.inputDrvs. */
|
||||
static Expr prim_unsafeDiscardOutputDependency(EvalState & state, const ATermVector & args)
|
||||
static void prim_unsafeDiscardOutputDependency(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
PathSet context;
|
||||
string s = coerceToString(state, args[0], context);
|
||||
|
|
@ -1004,14 +1004,14 @@ static Expr prim_unsafeDiscardOutputDependency(EvalState & state, const ATermVec
|
|||
/* Expression serialization/deserialization */
|
||||
|
||||
|
||||
static Expr prim_exprToString(EvalState & state, const ATermVector & args)
|
||||
static void prim_exprToString(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
/* !!! this disregards context */
|
||||
return makeStr(atPrint(evalExpr(state, args[0])));
|
||||
}
|
||||
|
||||
|
||||
static Expr prim_stringToExpr(EvalState & state, const ATermVector & args)
|
||||
static void prim_stringToExpr(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
/* !!! this can introduce arbitrary garbage terms in the
|
||||
evaluator! */;
|
||||
|
|
@ -1028,7 +1028,7 @@ static Expr prim_stringToExpr(EvalState & state, const ATermVector & args)
|
|||
*************************************************************/
|
||||
|
||||
|
||||
static Expr prim_parseDrvName(EvalState & state, const ATermVector & args)
|
||||
static void prim_parseDrvName(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
string name = evalStringNoCtx(state, args[0]);
|
||||
DrvName parsed(name);
|
||||
|
|
@ -1039,7 +1039,7 @@ static Expr prim_parseDrvName(EvalState & state, const ATermVector & args)
|
|||
}
|
||||
|
||||
|
||||
static Expr prim_compareVersions(EvalState & state, const ATermVector & args)
|
||||
static void prim_compareVersions(EvalState & state, Value * * args, Value & v)
|
||||
{
|
||||
string version1 = evalStringNoCtx(state, args[0]);
|
||||
string version2 = evalStringNoCtx(state, args[1]);
|
||||
|
|
@ -1144,10 +1144,12 @@ void EvalState::createBaseEnv()
|
|||
addPrimOp("__sub", 2, prim_sub);
|
||||
addPrimOp("__mul", 2, prim_mul);
|
||||
addPrimOp("__div", 2, prim_div);
|
||||
#endif
|
||||
addPrimOp("__lessThan", 2, prim_lessThan);
|
||||
|
||||
// String manipulation
|
||||
addPrimOp("toString", 1, prim_toString);
|
||||
#if 0
|
||||
addPrimOp("__substring", 3, prim_substring);
|
||||
addPrimOp("__stringLength", 1, prim_stringLength);
|
||||
addPrimOp("__unsafeDiscardStringContext", 1, prim_unsafeDiscardStringContext);
|
||||
|
|
|
|||
|
|
@ -159,7 +159,7 @@ void run(Strings args)
|
|||
evalOnly, xmlOutput, e);
|
||||
}
|
||||
|
||||
printEvalStats(state);
|
||||
state.printStats();
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue