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* Normalisation.

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This commit is contained in:
Eelco Dolstra 2003-06-27 09:55:31 +00:00
parent 3ec5252582
commit d4c3edfaba
3 changed files with 233 additions and 46 deletions
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66
src/test.cc
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@ -11,13 +11,27 @@
#include "globals.hh"
void evalTest(Expr e)
typedef Expr (* Normaliser) (Expr);
void eval(Normaliser n, Expr e)
{
e = evalValue(e);
e = n(e);
cout << (string) hashExpr(e) << ": " << printExpr(e) << endl;
}
void evalFail(Normaliser n, Expr e)
{
try {
e = n(e);
abort();
} catch (Error e) {
cout << "error (expected): " << e.what() << endl;
}
}
struct MySink : DumpSink
{
virtual void operator () (const unsigned char * data, unsigned int len)
@ -90,19 +104,48 @@ void runTests()
/* Expression evaluation. */
evalTest(ATmake("Str(\"Hello World\")"));
evalTest(ATmake("Bool(True)"));
evalTest(ATmake("Bool(False)"));
evalTest(ATmake("App(Lam(\"x\", Var(\"x\")), Str(\"Hello World\"))"));
evalTest(ATmake("App(App(Lam(\"x\", Lam(\"y\", Var(\"x\"))), Str(\"Hello World\")), Str(\"Hallo Wereld\"))"));
evalTest(ATmake("App(Lam(\"sys\", Lam(\"x\", [Var(\"x\"), Var(\"sys\")])), Str(\"i686-suse-linux\"))"));
eval(whNormalise,
ATmake("Str(\"Hello World\")"));
eval(whNormalise,
ATmake("Bool(True)"));
eval(whNormalise,
ATmake("Bool(False)"));
eval(whNormalise,
ATmake("App(Lam(\"x\", Var(\"x\")), Str(\"Hello World\"))"));
eval(whNormalise,
ATmake("App(App(Lam(\"x\", Lam(\"y\", Var(\"x\"))), Str(\"Hello World\")), Str(\"Hallo Wereld\"))"));
eval(whNormalise,
ATmake("App(Lam(\"sys\", Lam(\"x\", [Var(\"x\"), Var(\"sys\")])), Str(\"i686-suse-linux\"))"));
evalFail(whNormalise,
ATmake("Foo(123)"));
string builder1fn = absPath("./test-builder-1.sh");
Hash builder1h = hashFile(builder1fn);
string fn1 = nixValues + "/builder-1.sh";
Expr e1 = ATmake("File(<str>, ExtFile(<str>, <str>), [])",
fn1.c_str(),
builder1h.c_str(),
builder1fn.c_str());
eval(fNormalise, e1);
string fn2 = nixValues + "/refer.txt";
Expr e2 = ATmake("File(<str>, Regular(<str>), [<term>])",
fn2.c_str(),
("I refer to " + fn1).c_str(),
e1);
eval(fNormalise, e2);
realise(e2);
#if 0
Hash builder1 = addValue("./test-builder-1.sh");
Expr e1 = ATmake("Exec(Str(<str>), Hash(<str>), [])",
thisSystem.c_str(), ((string) builder1).c_str());
evalTest(e1);
eval(e1);
Hash builder2 = addValue("./test-builder-2.sh");
@ -110,14 +153,15 @@ void runTests()
"Exec(Str(<str>), Hash(<str>), [Tup(Str(\"src\"), <term>)])",
thisSystem.c_str(), ((string) builder2).c_str(), e1);
evalTest(e2);
eval(e2);
Hash h3 = addValue("./test-expr-1.nix");
Expr e3 = ATmake("Deref(Hash(<str>))", ((string) h3).c_str());
evalTest(e3);
eval(e3);
deleteValue(h3);
#endif
}