From 5664b6d7ba28453ccdd6d1c07a707f98608500ff Mon Sep 17 00:00:00 2001 From: Eelco Dolstra Date: Mon, 11 Aug 2008 13:36:40 +0000 Subject: * Removed the "valid values" feature. Nobody uses it anyway. --- src/libexpr/eval.cc | 49 +++++---------------------------------------- src/libexpr/expr-to-xml.cc | 12 ++--------- src/libexpr/nixexpr-ast.def | 5 +---- src/libexpr/nixexpr.cc | 13 ++++++------ src/libexpr/parser.y | 9 ++++----- 5 files changed, 18 insertions(+), 70 deletions(-) (limited to 'src') diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc index 6d8137d9b812..15cccc6b7f56 100644 --- a/src/libexpr/eval.cc +++ b/src/libexpr/eval.cc @@ -92,9 +92,8 @@ static Expr substArgs(EvalState & state, ATermList recAttrs = ATempty; for (ATermIterator i(formals); i; ++i) { Expr name, def; - ValidValues valids2; DefaultValue def2; - if (!matchFormal(*i, name, valids2, def2)) abort(); /* can't happen */ + if (!matchFormal(*i, name, def2)) abort(); /* can't happen */ Expr value = subs[name]; @@ -106,21 +105,6 @@ static Expr substArgs(EvalState & state, defsUsed.push_back(name); recAttrs = ATinsert(recAttrs, makeBind(name, def, makeNoPos())); } - - ATermList valids; - if (matchValidValues(valids2, valids)) { - value = evalExpr(state, value); - bool found = false; - for (ATermIterator j(valids); j; ++j) { - Expr v = evalExpr(state, *j); - if (value == v) { - found = true; - break; - } - } - if (!found) throw TypeError(format("the argument named `%1%' has an illegal value") - % aterm2String(name)); - } } /* Make a recursive attribute set out of the (argument-name, @@ -139,8 +123,8 @@ static Expr substArgs(EvalState & state, /* One or more actual arguments were not declared as formal arguments. Find out which. */ for (ATermIterator i(formals); i; ++i) { - Expr name; ATerm d1, d2; - if (!matchFormal(*i, name, d1, d2)) abort(); + Expr name; ATerm d1; + if (!matchFormal(*i, name, d1)) abort(); subs.remove(name); } throw TypeError(format("the function does not expect an argument named `%1%'") @@ -393,8 +377,8 @@ Expr autoCallFunction(Expr e, const ATermMap & args) ATermMap actualArgs(ATgetLength(formals)); for (ATermIterator i(formals); i; ++i) { - Expr name, def, value; ATerm values, def2; - if (!matchFormal(*i, name, values, def2)) abort(); + Expr name, def, value; ATerm def2; + if (!matchFormal(*i, name, def2)) abort(); if ((value = args.get(name))) actualArgs.set(name, makeAttrRHS(value, makeNoPos())); else if (!matchDefaultValue(def2, def)) @@ -800,29 +784,6 @@ static Expr strictEvalExpr_(EvalState & state, Expr e, ATermMap & nfs) return makeList(ATreverse(es2)); } - ATermList formals; - ATerm body, pos; - if (matchFunction(e, formals, body, pos)) { - ATermList formals2 = ATempty; - - for (ATermIterator i(formals); i; ++i) { - Expr name; ValidValues valids; ATerm dummy; - if (!matchFormal(*i, name, valids, dummy)) abort(); - - ATermList valids2; - if (matchValidValues(valids, valids2)) { - ATermList valids3 = ATempty; - for (ATermIterator j(valids2); j; ++j) - valids3 = ATinsert(valids3, strictEvalExpr(state, *j, nfs)); - valids = makeValidValues(ATreverse(valids3)); - } - - formals2 = ATinsert(formals2, makeFormal(name, valids, dummy)); - } - - return makeFunction(ATreverse(formals2), body, pos); - } - return e; } diff --git a/src/libexpr/expr-to-xml.cc b/src/libexpr/expr-to-xml.cc index 947e62879f0c..c47f24e6c0f9 100644 --- a/src/libexpr/expr-to-xml.cc +++ b/src/libexpr/expr-to-xml.cc @@ -113,17 +113,9 @@ static void printTermAsXML(Expr e, XMLWriter & doc, PathSet & context, XMLOpenElement _(doc, "function"); for (ATermIterator i(formals); i; ++i) { - Expr name; ValidValues valids; ATerm dummy; - if (!matchFormal(*i, name, valids, dummy)) abort(); + Expr name; ATerm dummy; + if (!matchFormal(*i, name, dummy)) abort(); XMLOpenElement _(doc, "arg", singletonAttrs("name", aterm2String(name))); - - ATermList valids2; - if (matchValidValues(valids, valids2)) { - for (ATermIterator j(valids2); j; ++j) { - XMLOpenElement _(doc, "value"); - printTermAsXML(*j, doc, context, drvsSeen); - } - } } } diff --git a/src/libexpr/nixexpr-ast.def b/src/libexpr/nixexpr-ast.def index a06d34311ae1..a57a48613e53 100644 --- a/src/libexpr/nixexpr-ast.def +++ b/src/libexpr/nixexpr-ast.def @@ -76,10 +76,7 @@ Inherit | Expr ATermList Pos | ATerm | Scope | | Expr | -Formal | string ValidValues DefaultValue | ATerm | - -ValidValues | ATermList | ValidValues | -UnrestrictedValues | | ValidValues | +Formal | string DefaultValue | ATerm | DefaultValue | Expr | DefaultValue | NoDefaultValue | | DefaultValue | diff --git a/src/libexpr/nixexpr.cc b/src/libexpr/nixexpr.cc index 0f5ec030654f..310f714718fe 100644 --- a/src/libexpr/nixexpr.cc +++ b/src/libexpr/nixexpr.cc @@ -140,8 +140,8 @@ Expr substitute(const Substitution & subs, Expr e) if (matchFunction(e, formals, body, pos)) { ATermMap map(ATgetLength(formals)); for (ATermIterator i(formals); i; ++i) { - ATerm d1, d2; - if (!matchFormal(*i, name, d1, d2)) abort(); + ATerm d1; + if (!matchFormal(*i, name, d1)) abort(); map.set(name, makeRemoved()); } Substitution subs2(&subs, &map); @@ -230,15 +230,14 @@ static void checkVarDefs2(set & done, const ATermMap & defs, Expr e) else if (matchFunction(e, formals, body, pos)) { ATermMap defs2(defs); for (ATermIterator i(formals); i; ++i) { - ATerm d1, d2; - if (!matchFormal(*i, name, d1, d2)) abort(); + ATerm d1; + if (!matchFormal(*i, name, d1)) abort(); defs2.set(name, (ATerm) ATempty); } for (ATermIterator i(formals); i; ++i) { - ATerm valids, deflt; + ATerm deflt; set done2; - if (!matchFormal(*i, name, valids, deflt)) abort(); - checkVarDefs2(done, defs, valids); + if (!matchFormal(*i, name, deflt)) abort(); checkVarDefs2(done2, defs2, deflt); } set done2; diff --git a/src/libexpr/parser.y b/src/libexpr/parser.y index cd3ba88aa658..9c941bb7d446 100644 --- a/src/libexpr/parser.y +++ b/src/libexpr/parser.y @@ -354,9 +354,8 @@ formals ; formal - : ID { $$ = makeFormal($1, makeUnrestrictedValues(), makeNoDefaultValue()); } - | ID ':' '[' expr_list ']' { $$ = makeFormal($1, makeValidValues($4), makeNoDefaultValue()); } - | ID '?' expr { $$ = makeFormal($1, makeUnrestrictedValues(), makeDefaultValue($3)); } + : ID { $$ = makeFormal($1, makeNoDefaultValue()); } + | ID '?' expr { $$ = makeFormal($1, makeDefaultValue($3)); } ; %% @@ -396,8 +395,8 @@ static void checkAttrSets(ATerm e) ATermMap names(ATgetLength(formals)); for (ATermIterator i(formals); i; ++i) { ATerm name; - ATerm d1, d2; - if (!matchFormal(*i, name, d1, d2)) abort(); + ATerm d1; + if (!matchFormal(*i, name, d1)) abort(); if (names.get(name)) throw EvalError(format("duplicate formal function argument `%1%' at %2%") % aterm2String(name) % showPos(pos)); -- cgit 1.4.1