diff options
author | Robert Hensing <robert@roberthensing.nl> | 2023-04-16 14:07:35 +0200 |
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committer | Robert Hensing <robert@roberthensing.nl> | 2023-04-16 14:07:35 +0200 |
commit | b6125772d7d5f82d48873fc93a7f261832154b14 (patch) | |
tree | 2700c6ab861df273c949739d06d6b1e6745d1819 /src/libexpr/print.hh | |
parent | 28a5cdde02964306e7eb443f696c8d5d59ebf9e9 (diff) |
libexpr: Move identifier-like printing to print.cc
Diffstat (limited to 'src/libexpr/print.hh')
-rw-r--r-- | src/libexpr/print.hh | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/libexpr/print.hh b/src/libexpr/print.hh index 98dd2008d..f9cfc3964 100644 --- a/src/libexpr/print.hh +++ b/src/libexpr/print.hh @@ -27,4 +27,22 @@ namespace nix { /** Print `true` or `false`. */ std::ostream & printLiteralBool(std::ostream & o, bool b); + + /** + * Print a string as an attribute name in the Nix expression language syntax. + * + * Prints a quoted string if necessary. + */ + std::ostream & printAttributeName(std::ostream & o, std::string_view s); + + /** + * Print a string as an identifier in the Nix expression language syntax. + * + * FIXME: "identifier" is ambiguous. Identifiers do not have a single + * textual representation. They can be used in variable references, + * let bindings, left-hand sides or attribute names in a select + * expression, or something else entirely, like JSON. Use one of the + * `print*` functions instead. + */ + std::ostream & printIdentifier(std::ostream & o, std::string_view s); } |