refactor(preg): wrap the preg_* $matches maps in newtypes

The five IndexMap shapes that the preg_* functions and Preg fill in are
now distinct types generated by preg_match_map!, so a matches map no
longer interchanges with any other map of the same key and value type.

Index<usize> is kept alongside Index<&Q> because call sites such as
config_command and event_dispatcher reach for a group by its position in
the map rather than by its capture key.

1 files changed, 2 insertions, 3 deletions

diff --git a/crates/shirabe-class-map-generator/src/php_file_parser.rs b/crates/shirabe-class-map-generator/src/php_file_parser.rs
index b35988fb..a1207140 100644
--- a/crates/shirabe-class-map-generator/src/php_file_parser.rs
+++ b/crates/shirabe-class-map-generator/src/php_file_parser.rs
@@ -1,8 +1,7 @@
 //! ref: composer/vendor/composer/class-map-generator/src/PhpFileParser.php
 
 use crate::php_file_cleaner::PhpFileCleaner;
-use indexmap::IndexMap;
-use shirabe_pcre::{CaptureKey, Preg};
+use shirabe_pcre::{CaptureKey, Preg, PregMatchesAll};
 use shirabe_php_shim::{
     PHP_EOL, RuntimeException, file_exists, file_get_contents, function_exists, is_file,
     is_readable, ltrim, php_strip_whitespace, str_replace_array, strrpos, substr, trim,
@@ -85,7 +84,7 @@ impl PhpFileParser {
         }}ix",
             et = extra_types
         );
-        let mut matches: IndexMap<_, _> = IndexMap::new();
+        let mut matches = PregMatchesAll::new();
         Preg::match_all2(&pattern2, &contents, &mut matches);
 
         let mut classes = vec![];