96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
#include "nixexpr.hh"
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#include "parser.hh"
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#include "hash.hh"
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#include "util.hh"
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#include <iostream>
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#include <cstdlib>
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#include <cstring>
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using namespace nix;
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void doTest(EvalState & state, string s)
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{
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Expr * e = parseExprFromString(s, absPath("."));
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std::cerr << ">>>>> " << *e << std::endl;
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Value v;
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state.eval(e, v);
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state.strictForceValue(v);
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printMsg(lvlError, format("result: %1%") % v);
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}
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void run(Strings args)
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{
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EvalState state;
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printMsg(lvlError, format("size of value: %1% bytes") % sizeof(Value));
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printMsg(lvlError, format("size of int AST node: %1% bytes") % sizeof(ExprInt));
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printMsg(lvlError, format("size of attrset AST node: %1% bytes") % sizeof(ExprAttrs));
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doTest(state, "123");
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doTest(state, "{ x = 1; y = 2; }");
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doTest(state, "{ x = 1; y = 2; }.y");
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doTest(state, "rec { x = 1; y = x; }.y");
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doTest(state, "(x: x) 1");
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doTest(state, "(x: y: y) 1 2");
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doTest(state, "x: x");
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doTest(state, "({x, y}: x) { x = 1; y = 2; }");
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doTest(state, "({x, y}@args: args.x) { x = 1; y = 2; }");
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doTest(state, "(args@{x, y}: args.x) { x = 1; y = 2; }");
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doTest(state, "({x ? 1}: x) { }");
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doTest(state, "({x ? 1, y ? x}: y) { x = 2; }");
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doTest(state, "({x, y, ...}: x) { x = 1; y = 2; z = 3; }");
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doTest(state, "({x, y, ...}@args: args.z) { x = 1; y = 2; z = 3; }");
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//doTest(state, "({x ? y, y ? x}: y) { }");
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doTest(state, "let x = 1; in x");
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doTest(state, "with { x = 1; }; x");
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doTest(state, "let x = 2; in with { x = 1; }; x"); // => 2
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doTest(state, "with { x = 1; }; with { x = 2; }; x"); // => 1
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doTest(state, "[ 1 2 3 ]");
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doTest(state, "[ 1 2 ] ++ [ 3 4 5 ]");
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doTest(state, "123 == 123");
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doTest(state, "123 == 456");
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doTest(state, "let id = x: x; in [1 2] == [(id 1) (id 2)]");
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doTest(state, "let id = x: x; in [1 2] == [(id 1) (id 3)]");
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doTest(state, "[1 2] == [3 (let x = x; in x)]");
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//doTest(state, "{ x = 1; y.z = 2; } == { y = { z = 2; }; x = 1; }");
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doTest(state, "{ x = 1; y = 2; } == { x = 2; }");
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doTest(state, "{ x = [ 1 2 ]; } == { x = [ 1 ] ++ [ 2 ]; }");
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doTest(state, "1 != 1");
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doTest(state, "true");
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doTest(state, "builtins.true");
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doTest(state, "true == false");
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doTest(state, "__head [ 1 2 3 ]");
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doTest(state, "__add 1 2");
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doTest(state, "null");
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//doTest(state, "\"foo\"");
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//doTest(state, "let s = \"bar\"; in \"foo${s}\"");
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doTest(state, "if true then 1 else 2");
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doTest(state, "if false then 1 else 2");
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doTest(state, "if false || true then 1 else 2");
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doTest(state, "let x = x; in if true || x then 1 else 2");
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doTest(state, "http://nixos.org/");
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doTest(state, "/etc/passwd");
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//doTest(state, "import ./foo.nix");
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doTest(state, "map (x: __add 1 x) [ 1 2 3 ]");
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doTest(state, "map (builtins.add 1) [ 1 2 3 ]");
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//doTest(state, "builtins.hasAttr \"x\" { x = 1; }");
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doTest(state, "let x = 1; as = rec { inherit x; y = as.x; }; in as.y");
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doTest(state, "let as = { x = 1; }; bs = rec { inherit (as) x; y = x; }; in bs.y");
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doTest(state, "let as = rec { inherit (y) x; y = { x = 1; }; }; in as.x");
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doTest(state, "builtins.toXML 123");
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//doTest(state, "builtins.toXML { a.b = \"x\" + \"y\"; c = [ 1 2 ] ++ [ 3 4 ]; }");
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state.printStats();
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}
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void printHelp()
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{
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}
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string programId = "eval-test";
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