80 lines
2.2 KiB
C++
80 lines
2.2 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 "nixexpr-ast.hh"
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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(string s)
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{
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EvalState state;
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Expr e = parseExprFromString(state, s, absPath("."));
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printMsg(lvlError, format(">>>>> %1%") % e);
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Value v;
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state.strictEval(e, 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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printMsg(lvlError, format("size of value: %1% bytes") % sizeof(Value));
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doTest("123");
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doTest("{ x = 1; y = 2; }");
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doTest("{ x = 1; y = 2; }.y");
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doTest("rec { x = 1; y = x; }.y");
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doTest("(x: x) 1");
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doTest("(x: y: y) 1 2");
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doTest("x: x");
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doTest("({x, y}: x) { x = 1; y = 2; }");
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doTest("({x, y}@args: args.x) { x = 1; y = 2; }");
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doTest("(args@{x, y}: args.x) { x = 1; y = 2; }");
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doTest("({x ? 1}: x) { }");
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doTest("({x ? 1, y ? x}: y) { x = 2; }");
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doTest("({x, y, ...}: x) { x = 1; y = 2; z = 3; }");
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doTest("({x, y, ...}@args: args.z) { x = 1; y = 2; z = 3; }");
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//doTest("({x ? y, y ? x}: y) { }");
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doTest("let x = 1; in x");
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doTest("with { x = 1; }; x");
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doTest("let x = 2; in with { x = 1; }; x"); // => 2
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doTest("with { x = 1; }; with { x = 2; }; x"); // => 1
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doTest("[ 1 2 3 ]");
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doTest("[ 1 2 ] ++ [ 3 4 5 ]");
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doTest("123 == 123");
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doTest("123 == 456");
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doTest("let id = x: x; in [1 2] == [(id 1) (id 2)]");
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doTest("let id = x: x; in [1 2] == [(id 1) (id 3)]");
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doTest("[1 2] == [3 (let x = x; in x)]");
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doTest("{ x = 1; y.z = 2; } == { y = { z = 2; }; x = 1; }");
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doTest("{ x = 1; y = 2; } == { x = 2; }");
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doTest("{ x = [ 1 2 ]; } == { x = [ 1 ] ++ [ 2 ]; }");
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doTest("1 != 1");
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doTest("true");
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doTest("true == false");
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doTest("__head [ 1 2 3 ]");
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doTest("__add 1 2");
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doTest("null");
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doTest("\"foo\"");
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doTest("let s = \"bar\"; in \"foo${s}\"");
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doTest("if true then 1 else 2");
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doTest("if false then 1 else 2");
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doTest("if false || true then 1 else 2");
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doTest("let x = x; in if true || x then 1 else 2");
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doTest("/etc/passwd");
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doTest("import ./foo.nix");
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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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