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Fix regexec() calls: remove perl=TRUE unsupported in older R

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regexec() only gained the perl argument in R 4.1.0. The CI matrix
covers oldrel-1 through oldrel-4 (R 3.x/4.0.x), so perl=TRUE caused
an 'unused argument' error on every message_() call in those
environments.

All four affected regexec() calls use POSIX-extended compatible
patterns, so dropping perl=TRUE is safe.

https://claude.ai/code/session_01XHWLohiSTdZvCutwD7ag2b
This commit is contained in:
Claude
2026-03-18 22:56:44 +00:00
parent 5ecbc9001e
commit ec3b12b937
1 changed files with 4 additions and 4 deletions
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8
R/aa_helper_functions.R
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@@ -433,7 +433,7 @@ cli_to_plain <- function(msg, envir = parent.frame()) {
apply_sub <- function(msg, pattern, formatter) {
while (grepl(pattern, msg, perl = TRUE)) {
m <- regexec(pattern, msg, perl = TRUE)
m <- regexec(pattern, msg)
matches <- regmatches(msg, m)[[1]]
if (length(matches) < 2L) break
full_match <- matches[1L]
@@ -462,12 +462,12 @@ cli_to_plain <- function(msg, envir = parent.frame()) {
msg <- apply_sub(msg, "\\{\\.emph (\\{[^}]+\\}|[^}]+)\\}", function(c) paste0("*", resolve(c), "*"))
msg <- apply_sub(msg, "\\{\\.help ([^}]+)\\}", function(c) {
# Handle [display text](topic) markdown link format: extract just the display text
m <- regmatches(c, regexec("^\\[(.*)\\]\\([^)]*\\)$", c, perl = TRUE))[[1L]]
m <- regmatches(c, regexec("^\\[(.*)\\]\\([^)]*\\)$", c))[[1L]]
if (length(m) >= 2L) m[2L] else paste0("`", resolve(c), "`")
})
msg <- apply_sub(msg, "\\{\\.topic ([^}]+)\\}", function(c) {
# Handle [display text](topic) markdown link format: extract just the display text
m <- regmatches(c, regexec("^\\[(.*)\\]\\([^)]*\\)$", c, perl = TRUE))[[1L]]
m <- regmatches(c, regexec("^\\[(.*)\\]\\([^)]*\\)$", c))[[1L]]
if (length(m) >= 2L) m[2L] else paste0("?", resolve(c))
})
msg <- apply_sub(msg, "\\{\\.url (\\{[^}]+\\}|[^}]+)\\}", function(c) resolve(c))
@@ -475,7 +475,7 @@ cli_to_plain <- function(msg, envir = parent.frame()) {
# bare {variable} or {expression} -> evaluate in caller's environment
while (grepl("\\{[^{}]+\\}", msg)) {
m <- regexec("\\{([^{}]+)\\}", msg, perl = TRUE)
m <- regexec("\\{([^{}]+)\\}", msg)
matches <- regmatches(msg, m)[[1]]
if (length(matches) < 2L) break
full_match <- matches[1L]