Bundle regexp (#2160)

Author: sivukhin

libsql-ffi/Cargo.toml

@@ -40,13 +40,15 @@ sqlean-extension-fuzzy = []
 sqlean-extension-math = []
 sqlean-extension-stats = []
 sqlean-extension-text = []
+sqlean-extension-regexp = []
 sqlean-extensions = [
   "sqlean-extension-uuid",
   "sqlean-extension-crypto",
   "sqlean-extension-fuzzy",
   "sqlean-extension-math",
   "sqlean-extension-stats",
   "sqlean-extension-text",
+  "sqlean-extension-regexp",
 ]
 libsql-disable-checkpoint-downgrade = []
 libsql-checkpoint-only-full= []

libsql-ffi/build.rs

@@ -252,6 +252,13 @@ pub fn build_bundled(out_dir: &str, out_path: &Path) {
         sqlean_patterns.push("uuid/*.c");
     }
 
+    if cfg!(feature = "sqlean-extension-regexp") {
+        enabled_extensions.push("regexp");
+        sqlean_patterns.push("regexp/*.c");
+        sqlean_patterns.push("regexp/pcre2/pcre2_internal.h");
+        sqlean_patterns.push("regexp/pcre2/*.c");
+    }
+
     if sqlean_patterns.is_empty() {
         cfg.file(format!("{BUNDLED_DIR}/src/sqlite3.c"));
     } else {
@@ -263,6 +270,12 @@ pub fn build_bundled(out_dir: &str, out_path: &Path) {
             sqlean_sources.extend(glob(&full_pattern).unwrap().filter_map(Result::ok));
         }
 
+        if cfg!(feature = "sqlean-extension-regexp") {
+            // PCRE2 needs some macroses defined externally in constants.h file
+            cfg.flag("-include")
+                .flag(format!("{BUNDLED_DIR}/sqlean/regexp/constants.h"));
+        }
+
         cfg.files(sqlean_sources);
 
         let sqlean = Path::new(&env::var("OUT_DIR").unwrap()).join("sqlite3-sqlean-generated.c");

libsql-sys/Cargo.toml

@@ -31,4 +31,5 @@ sqlean-extension-fuzzy = ["libsql-ffi/sqlean-extension-fuzzy"]
 sqlean-extension-math = ["libsql-ffi/sqlean-extension-math"]
 sqlean-extension-stats = ["libsql-ffi/sqlean-extension-stats"]
 sqlean-extension-text = ["libsql-ffi/sqlean-extension-text"]
+sqlean-extension-regexp = ["libsql-ffi/sqlean-extension-regexp"]
 sqlean-extensions = ["libsql-ffi/sqlean-extensions"]