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3 Commits

Author SHA1 Message Date
Robert Griesemer
bfb903f252 cmd/compile/internal/syntax: better scanner error messages
This is one of several changes that were part of a larger rewrite
which I made in early 2019 after switching to the new number literal
syntax implementation. The purpose of the rewrite was to simplify
reading of source code (Unicode character by character) and speed up
the scanner but was never submitted for review due to other priorities.

Part 2 of 3:

This change contains improvements to the scanner error messages:

- Use "rune literal" rather than "character literal" to match the
  spec nomenclature.

- Shorter, more to the point error messages.
  (For instance, "more than one character in rune literal" rather
  than "invalid character literal (more than one character)", etc.)

Change-Id: I1aaf79003374a68dbb05926437ed305cf2a8ec96
Reviewed-on: https://go-review.googlesource.com/c/go/+/221602
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2020-03-05 00:40:38 +00:00
Russ Cox
2b1c9b4be2 test: use testlib (second 100)
X ,s;^// \$G (\$D/)?\$F\.go *$;// compile;g
X ,s;^// \$G (\$D/)?\$F\.go && \$L \$F\.\$A *$;// build;g
X ,s;^// \$G (\$D/)?\$F\.go && \$L \$F\.\$A && \./\$A\.out *$;// run;g
X ,s;^// errchk \$G( -e)? (\$D/)?\$F\.go *$;// errorcheck;g

R=golang-dev
CC=golang-dev
https://golang.org/cl/5673078
2012-02-16 23:49:30 -05:00
Russ Cox
1be74762c1 bug169
R=ken
OCL=35899
CL=35899
2009-10-19 19:55:17 -07:00