- **Needs**: -->
- **Patch**: new --> needs_work
- **Type**: -->
- **Comment**:
Fails make check
~~~
...
Parsing...
Renaming input to:
`/home/jlowe/lilypond-git/input/regression/magnifyStaff-bar-lines.ly'
<string>:16:23: error: GUILE signaled an error for the expression beginning here
\magnifyStaff #
mag
Unbound variable: mag
/home/jlowe/lilypond-git/build/out/share/lilypond/current/scm/parser-ly-from-scheme.scm:103:22:
In procedure positive? in expression (ly:parse-string-expression clone
lily-string ...):
/home/jlowe/lilypond-git/build/out/share/lilypond/current/scm/parser-ly-from-scheme.scm:103:22:
Wrong type argument in position 1: #<unspecified>
~~~
---
** [issues:#5741] Parse inline scheme using per-expression port**
**Status:** Started
**Created:** Fri Feb 07, 2020 02:52 PM UTC by Han-Wen Nienhuys
**Last Updated:** Sun Feb 09, 2020 05:21 PM UTC
**Owner:** Han-Wen Nienhuys
Introduces a throw-away string port, Overlay_string_port, which makes
a port out of a random section of a C string. It does not own the
string, so there is no overhead in creating and discarding the ports
during parse time.
For GUILE v2, Overlay_string_port uses UTF-8 encoding, so UTF-8
encoded string constants within the Scheme constants are interpreted
as Unicode correctly.
This obviates the string port that Source_file carries along.
This commit fixes a problem with GUILE 2.2.6, where LilyPond
calculates offsets in the source file as bytes, while GUILE interprets
the source file as UTF-8 encoded Unicode. As a result, files with
Unicode before embedded scheme break completely.
https://codereview.appspot.com/557330043
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