forked from lix-project/lix
* Don't capitalise the primop functions.
This commit is contained in:
Eelco Dolstra
parent
18e6096105
commit
c558b1583c
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@ -22,7 +22,7 @@ namespace nix {
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*************************************************************/
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static Expr primBuiltins(EvalState & state, const ATermVector & args)
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static Expr prim_builtins(EvalState & state, const ATermVector & args)
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{
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/* Return an attribute set containing all primops. This allows
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Nix expressions to test for new primops and take appropriate
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@ -47,20 +47,20 @@ static Expr primBuiltins(EvalState & state, const ATermVector & args)
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/* Boolean constructors. */
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static Expr primTrue(EvalState & state, const ATermVector & args)
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static Expr prim_true(EvalState & state, const ATermVector & args)
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{
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return eTrue;
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}
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static Expr primFalse(EvalState & state, const ATermVector & args)
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static Expr prim_false(EvalState & state, const ATermVector & args)
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{
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return eFalse;
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}
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/* Return the null value. */
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static Expr primNull(EvalState & state, const ATermVector & args)
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static Expr prim_null(EvalState & state, const ATermVector & args)
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{
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return makeNull();
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}
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@ -70,13 +70,13 @@ static Expr primNull(EvalState & state, const ATermVector & args)
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that differs between platforms, so Nix expressions using
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`__currentSystem' can evaluate to different values on different
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platforms. */
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static Expr primCurrentSystem(EvalState & state, const ATermVector & args)
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static Expr prim_currentSystem(EvalState & state, const ATermVector & args)
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{
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return makeStr(thisSystem);
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}
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static Expr primCurrentTime(EvalState & state, const ATermVector & args)
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static Expr prim_currentTime(EvalState & state, const ATermVector & args)
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{
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return ATmake("Int(<int>)", time(0));
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}
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@ -89,7 +89,7 @@ static Expr primCurrentTime(EvalState & state, const ATermVector & args)
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/* Load and evaluate an expression from path specified by the
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argument. */
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static Expr primImport(EvalState & state, const ATermVector & args)
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static Expr prim_import(EvalState & state, const ATermVector & args)
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{
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PathSet context;
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Path path = coerceToPath(state, args[0], context);
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@ -107,19 +107,8 @@ static Expr primImport(EvalState & state, const ATermVector & args)
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}
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/* Convert the argument to a string. Paths are *not* copied to the
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store, so `toString /foo/bar' yields `"/foo/bar"', not
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`"/nix/store/whatever..."'. */
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static Expr primToString(EvalState & state, const ATermVector & args)
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{
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PathSet context;
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string s = coerceToString(state, args[0], context, true, false);
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return makeStr(s, context);
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}
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/* Determine whether the argument is the null value. */
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static Expr primIsNull(EvalState & state, const ATermVector & args)
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static Expr prim_isNull(EvalState & state, const ATermVector & args)
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{
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return makeBool(matchNull(evalExpr(state, args[0])));
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}
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@ -177,7 +166,7 @@ static string relativise(Path pivot, Path p)
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}
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static Expr primDependencyClosure(EvalState & state, const ATermVector & args)
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static Expr prim_dependencyClosure(EvalState & state, const ATermVector & args)
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{
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startNest(nest, lvlDebug, "finding dependencies");
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@ -272,7 +261,7 @@ static Expr primDependencyClosure(EvalState & state, const ATermVector & args)
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}
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static Expr primAbort(EvalState & state, const ATermVector & args)
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static Expr prim_abort(EvalState & state, const ATermVector & args)
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{
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PathSet context;
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throw Abort(format("evaluation aborted with the following error message: `%1%'") %
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@ -281,14 +270,14 @@ static Expr primAbort(EvalState & state, const ATermVector & args)
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/* Return an environment variable. Use with care. */
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static Expr primGetEnv(EvalState & state, const ATermVector & args)
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static Expr prim_getEnv(EvalState & state, const ATermVector & args)
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{
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string name = evalStringNoCtx(state, args[0]);
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return makeStr(getEnv(name));
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}
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static Expr primRelativise(EvalState & state, const ATermVector & args)
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static Expr prim_relativise(EvalState & state, const ATermVector & args)
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{
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PathSet context; /* !!! what to do? */
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Path pivot = coerceToPath(state, args[0], context);
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@ -364,7 +353,7 @@ static Hash hashDerivationModulo(EvalState & state, Derivation drv)
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derivation; `drvPath' containing the path of the Nix expression;
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and `type' set to `derivation' to indicate that this is a
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derivation. */
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static Expr primDerivationStrict(EvalState & state, const ATermVector & args)
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static Expr prim_derivationStrict(EvalState & state, const ATermVector & args)
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{
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startNest(nest, lvlVomit, "evaluating derivation");
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@ -535,7 +524,7 @@ static Expr primDerivationStrict(EvalState & state, const ATermVector & args)
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}
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static Expr primDerivationLazy(EvalState & state, const ATermVector & args)
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static Expr prim_derivationLazy(EvalState & state, const ATermVector & args)
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{
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Expr eAttrs = evalExpr(state, args[0]);
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ATermMap attrs;
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@ -561,7 +550,7 @@ static Expr primDerivationLazy(EvalState & state, const ATermVector & args)
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/* Convert the argument to a path. !!! obsolete? */
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static Expr primToPath(EvalState & state, const ATermVector & args)
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static Expr prim_toPath(EvalState & state, const ATermVector & args)
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{
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PathSet context;
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string path = coerceToPath(state, args[0], context);
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@ -569,7 +558,7 @@ static Expr primToPath(EvalState & state, const ATermVector & args)
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}
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static Expr primPathExists(EvalState & state, const ATermVector & args)
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static Expr prim_pathExists(EvalState & state, const ATermVector & args)
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{
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PathSet context;
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Path path = coerceToPath(state, args[0], context);
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@ -581,7 +570,7 @@ static Expr primPathExists(EvalState & state, const ATermVector & args)
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/* Return the base name of the given string, i.e., everything
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following the last slash. */
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static Expr primBaseNameOf(EvalState & state, const ATermVector & args)
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static Expr prim_baseNameOf(EvalState & state, const ATermVector & args)
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{
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PathSet context;
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return makeStr(baseNameOf(coerceToString(state, args[0], context)), context);
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@ -591,7 +580,7 @@ static Expr primBaseNameOf(EvalState & state, const ATermVector & args)
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/* Return the directory of the given path, i.e., everything before the
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last slash. Return either a path or a string depending on the type
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of the argument. */
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static Expr primDirOf(EvalState & state, const ATermVector & args)
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static Expr prim_dirOf(EvalState & state, const ATermVector & args)
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{
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PathSet context;
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Expr e = evalExpr(state, args[0]); ATerm dummy;
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@ -609,7 +598,7 @@ static Expr primDirOf(EvalState & state, const ATermVector & args)
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/* Convert the argument (which can be any Nix expression) to an XML
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representation returned in a string. Not all Nix expressions can
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be sensibly or completely represented (e.g., functions). */
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static Expr primToXML(EvalState & state, const ATermVector & args)
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static Expr prim_toXML(EvalState & state, const ATermVector & args)
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{
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std::ostringstream out;
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PathSet context;
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@ -620,7 +609,7 @@ static Expr primToXML(EvalState & state, const ATermVector & args)
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/* Store a string in the Nix store as a source file that can be used
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as an input by derivations. */
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static Expr primToFile(EvalState & state, const ATermVector & args)
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static Expr prim_toFile(EvalState & state, const ATermVector & args)
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{
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PathSet context;
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string name = evalStringNoCtx(state, args[0]);
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@ -677,7 +666,7 @@ struct FilterFromExpr : PathFilter
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};
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static Expr primFilterSource(EvalState & state, const ATermVector & args)
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static Expr prim_filterSource(EvalState & state, const ATermVector & args)
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{
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PathSet context;
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Path path = coerceToPath(state, args[1], context);
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@ -701,7 +690,7 @@ static Expr primFilterSource(EvalState & state, const ATermVector & args)
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/* Return the names of the attributes in an attribute set as a sorted
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list of strings. */
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static Expr primAttrNames(EvalState & state, const ATermVector & args)
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static Expr prim_attrNames(EvalState & state, const ATermVector & args)
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{
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ATermMap attrs;
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queryAllAttrs(evalExpr(state, args[0]), attrs);
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@ -720,7 +709,7 @@ static Expr primAttrNames(EvalState & state, const ATermVector & args)
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/* Dynamic version of the `.' operator. */
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static Expr primGetAttr(EvalState & state, const ATermVector & args)
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static Expr prim_getAttr(EvalState & state, const ATermVector & args)
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{
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string attr = evalStringNoCtx(state, args[0]);
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return evalExpr(state, makeSelect(args[1], toATerm(attr)));
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@ -728,14 +717,14 @@ static Expr primGetAttr(EvalState & state, const ATermVector & args)
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/* Dynamic version of the `?' operator. */
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static Expr primHasAttr(EvalState & state, const ATermVector & args)
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static Expr prim_hasAttr(EvalState & state, const ATermVector & args)
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{
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string attr = evalStringNoCtx(state, args[0]);
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return evalExpr(state, makeOpHasAttr(args[1], toATerm(attr)));
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}
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static Expr primRemoveAttrs(EvalState & state, const ATermVector & args)
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static Expr prim_removeAttrs(EvalState & state, const ATermVector & args)
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{
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ATermMap attrs;
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queryAllAttrs(evalExpr(state, args[0]), attrs, true);
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@ -756,7 +745,7 @@ static Expr primRemoveAttrs(EvalState & state, const ATermVector & args)
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/* Determine whether the argument is a list. */
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static Expr primIsList(EvalState & state, const ATermVector & args)
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static Expr prim_isList(EvalState & state, const ATermVector & args)
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{
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ATermList list;
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return makeBool(matchList(evalExpr(state, args[0]), list));
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@ -764,7 +753,7 @@ static Expr primIsList(EvalState & state, const ATermVector & args)
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/* Return the first element of a list. */
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static Expr primHead(EvalState & state, const ATermVector & args)
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static Expr prim_head(EvalState & state, const ATermVector & args)
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{
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ATermList list = evalList(state, args[0]);
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if (ATisEmpty(list))
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@ -775,7 +764,7 @@ static Expr primHead(EvalState & state, const ATermVector & args)
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/* Return a list consisting of everything but the the first element of
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a list. */
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static Expr primTail(EvalState & state, const ATermVector & args)
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static Expr prim_tail(EvalState & state, const ATermVector & args)
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{
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ATermList list = evalList(state, args[0]);
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if (ATisEmpty(list))
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@ -785,7 +774,7 @@ static Expr primTail(EvalState & state, const ATermVector & args)
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/* Apply a function to every element of a list. */
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static Expr primMap(EvalState & state, const ATermVector & args)
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static Expr prim_map(EvalState & state, const ATermVector & args)
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{
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Expr fun = evalExpr(state, args[0]);
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ATermList list = evalList(state, args[1]);
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@ -803,7 +792,7 @@ static Expr primMap(EvalState & state, const ATermVector & args)
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*************************************************************/
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static Expr primAdd(EvalState & state, const ATermVector & args)
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static Expr prim_add(EvalState & state, const ATermVector & args)
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{
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int i1 = evalInt(state, args[0]);
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int i2 = evalInt(state, args[1]);
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@ -811,7 +800,7 @@ static Expr primAdd(EvalState & state, const ATermVector & args)
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}
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static Expr primSub(EvalState & state, const ATermVector & args)
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static Expr prim_sub(EvalState & state, const ATermVector & args)
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{
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int i1 = evalInt(state, args[0]);
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int i2 = evalInt(state, args[1]);
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@ -819,7 +808,7 @@ static Expr primSub(EvalState & state, const ATermVector & args)
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}
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static Expr primLessThan(EvalState & state, const ATermVector & args)
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static Expr prim_lessThan(EvalState & state, const ATermVector & args)
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{
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int i1 = evalInt(state, args[0]);
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int i2 = evalInt(state, args[1]);
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@ -832,6 +821,17 @@ static Expr primLessThan(EvalState & state, const ATermVector & args)
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*************************************************************/
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/* Convert the argument to a string. Paths are *not* copied to the
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store, so `toString /foo/bar' yields `"/foo/bar"', not
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`"/nix/store/whatever..."'. */
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static Expr prim_toString(EvalState & state, const ATermVector & args)
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{
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PathSet context;
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string s = coerceToString(state, args[0], context, true, false);
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return makeStr(s, context);
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}
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/* `substr start len str' returns the substring of `str' starting at
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character position `min(start, stringLength str)' inclusive and
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ending at `min(start + len, stringLength str)'. `start' must be
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@ -857,60 +857,65 @@ static Expr prim_stringLength(EvalState & state, const ATermVector & args)
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}
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/*************************************************************
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* Primop registration
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*************************************************************/
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void EvalState::addPrimOps()
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{
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addPrimOp("builtins", 0, primBuiltins);
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addPrimOp("builtins", 0, prim_builtins);
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// Constants
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addPrimOp("true", 0, primTrue);
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addPrimOp("false", 0, primFalse);
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addPrimOp("null", 0, primNull);
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addPrimOp("__currentSystem", 0, primCurrentSystem);
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addPrimOp("__currentTime", 0, primCurrentTime);
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addPrimOp("true", 0, prim_true);
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addPrimOp("false", 0, prim_false);
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addPrimOp("null", 0, prim_null);
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addPrimOp("__currentSystem", 0, prim_currentSystem);
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addPrimOp("__currentTime", 0, prim_currentTime);
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// Miscellaneous
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addPrimOp("import", 1, primImport);
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addPrimOp("toString", 1, primToString);
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addPrimOp("isNull", 1, primIsNull);
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addPrimOp("dependencyClosure", 1, primDependencyClosure);
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addPrimOp("abort", 1, primAbort);
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addPrimOp("__getEnv", 1, primGetEnv);
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addPrimOp("import", 1, prim_import);
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addPrimOp("isNull", 1, prim_isNull);
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addPrimOp("dependencyClosure", 1, prim_dependencyClosure);
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addPrimOp("abort", 1, prim_abort);
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addPrimOp("__getEnv", 1, prim_getEnv);
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addPrimOp("relativise", 2, primRelativise);
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addPrimOp("relativise", 2, prim_relativise);
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// Derivations
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addPrimOp("derivation!", 1, primDerivationStrict);
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addPrimOp("derivation", 1, primDerivationLazy);
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addPrimOp("derivation!", 1, prim_derivationStrict);
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addPrimOp("derivation", 1, prim_derivationLazy);
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// Paths
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addPrimOp("__toPath", 1, primToPath);
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addPrimOp("__pathExists", 1, primPathExists);
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addPrimOp("baseNameOf", 1, primBaseNameOf);
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addPrimOp("dirOf", 1, primDirOf);
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addPrimOp("__toPath", 1, prim_toPath);
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addPrimOp("__pathExists", 1, prim_pathExists);
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addPrimOp("baseNameOf", 1, prim_baseNameOf);
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addPrimOp("dirOf", 1, prim_dirOf);
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// Creating files
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addPrimOp("__toXML", 1, primToXML);
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addPrimOp("__toFile", 2, primToFile);
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addPrimOp("__filterSource", 2, primFilterSource);
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addPrimOp("__toXML", 1, prim_toXML);
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addPrimOp("__toFile", 2, prim_toFile);
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addPrimOp("__filterSource", 2, prim_filterSource);
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// Attribute sets
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addPrimOp("__attrNames", 1, primAttrNames);
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addPrimOp("__getAttr", 2, primGetAttr);
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addPrimOp("__hasAttr", 2, primHasAttr);
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addPrimOp("removeAttrs", 2, primRemoveAttrs);
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addPrimOp("__attrNames", 1, prim_attrNames);
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addPrimOp("__getAttr", 2, prim_getAttr);
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addPrimOp("__hasAttr", 2, prim_hasAttr);
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addPrimOp("removeAttrs", 2, prim_removeAttrs);
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// Lists
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addPrimOp("__isList", 1, primIsList);
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addPrimOp("__head", 1, primHead);
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addPrimOp("__tail", 1, primTail);
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addPrimOp("map", 2, primMap);
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addPrimOp("__isList", 1, prim_isList);
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addPrimOp("__head", 1, prim_head);
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addPrimOp("__tail", 1, prim_tail);
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addPrimOp("map", 2, prim_map);
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// Integer arithmetic
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addPrimOp("__add", 2, primAdd);
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addPrimOp("__sub", 2, primSub);
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addPrimOp("__lessThan", 2, primLessThan);
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addPrimOp("__add", 2, prim_add);
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addPrimOp("__sub", 2, prim_sub);
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addPrimOp("__lessThan", 2, prim_lessThan);
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// String manipulation
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addPrimOp("toString", 1, prim_toString);
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addPrimOp("__substring", 3, prim_substring);
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addPrimOp("__stringLength", 1, prim_stringLength);
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}
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