ba81e871b2
Given flake:
```nix
{ description = "nix json error provenance";
inputs = {};
outputs = { self }: {
jsonFunction = _: "function";
json = builtins.toJSON (_: "function");
};
}
```
- Before:
```console
❯ nix eval --json .#jsonFunction
error: cannot convert a function to JSON
```
- After:
```console
❯ nix eval --json .#jsonFunction
error: cannot convert a function to JSON
at /nix/store/b7imf1c2j4jnkg3ys7fsfbj02s5j0i4f-source/testflake/flake.nix:4:5:
3| outputs = { self }: {
4| jsonFunction = _: "function";
| ^
5| json = builtins.toJSON (_: "function");
```
20 lines
390 B
C++
20 lines
390 B
C++
#pragma once
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#include "nixexpr.hh"
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#include "eval.hh"
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#include <string>
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#include <map>
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namespace nix {
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class JSONPlaceholder;
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void printValueAsJSON(EvalState & state, bool strict,
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Value & v, const Pos & pos, JSONPlaceholder & out, PathSet & context);
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void printValueAsJSON(EvalState & state, bool strict,
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Value & v, const Pos & pos, std::ostream & str, PathSet & context);
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}
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