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* After parsing, compute level/displacement pairs for each variable

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use site, allowing environments to be stores as vectors of values
  rather than maps.  This should speed up evaluation and reduce the
  number of allocations.
This commit is contained in:
Eelco Dolstra 2010-04-14 14:42:32 +00:00
parent 816dd3f061
commit 9985230c00
7 changed files with 258 additions and 143 deletions
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5
src/libexpr/eval-test.cc
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@ -51,11 +51,12 @@ void run(Strings args)
printMsg(lvlError, format("size of value: %1% bytes") % sizeof(Value));
printMsg(lvlError, format("size of int AST node: %1% bytes") % sizeof(ExprInt));
printMsg(lvlError, format("size of attrset AST node: %1% bytes") % sizeof(ExprAttrs));
doTest(state, "123");
doTest(state, "{ x = 1; y = 2; }");
doTest(state, "{ x = 1; y = 2; }.y");
doTest(state, "rec { x = 1; y = x; }.y");
doTest(state, "let x = 1; y = 2; z = 3; in let a = 4; in y");
doTest(state, "rec { x = 1; y = x; }.x");
doTest(state, "(x: x) 1");
doTest(state, "(x: y: y) 1 2");
doTest(state, "x: x");