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Add a symbol __curPos that expands to the current source location

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I.e. an attribute set { file = <string>; line = <int>; column = <int>; }.
This commit is contained in:
Eelco Dolstra 2013-11-18 20:14:54 +01:00
parent 90b5e69284
commit fc33fd86b7
7 changed files with 43 additions and 2 deletions
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9
src/libexpr/nixexpr.cc
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@ -130,6 +130,11 @@ void ExprConcatStrings::show(std::ostream & str)
}
}
void ExprPos::show(std::ostream & str)
{
str << "__curPos";
}
std::ostream & operator << (std::ostream & str, const Pos & pos)
{
@ -315,6 +320,10 @@ void ExprConcatStrings::bindVars(const StaticEnv & env)
(*i)->bindVars(env);
}
void ExprPos::bindVars(const StaticEnv & env)
{
}
/* Storing function names. */