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Add traits for SQLite compile options #14

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e428430
Add traits for SQLite compile options
marcprux Jan 21, 2026
e25108c
Make more types Sendable
marcprux Jan 22, 2026
7e6a06d
Wrap Connection in an @unchecked Sendable for test_concurrent_access_…
marcprux Jan 22, 2026
57ba598
marcprux Jan 22, 2026
b65b610
Remove @unsafe Sendable from TestObject
marcprux Jan 22, 2026
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329 changes: 291 additions & 38 deletions Package.swift
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Original file line number Diff line number Diff line change
@@ -1,6 +1,113 @@
// swift-tools-version:5.9
// swift-tools-version:6.2
import PackageDescription

/// Compile-time options
/// - seealso: [Recommended Compile-time Options](https://sqlite.org/compile.html#recommended_compile_time_options)
let compileTimeOptions: [CSetting] = [
// https://sqlite.org/compile.html#dqs
.define("SQLITE_DQS", to: "0", .when(traits: ["DQS_0"])),
.define("SQLITE_DQS", to: "1", .when(traits: ["DQS_1"])),
.define("SQLITE_DQS", to: "2", .when(traits: ["DQS_2"])),
.define("SQLITE_DQS", to: "3", .when(traits: ["DQS_3"])),
// https://sqlite.org/compile.html#threadsafe
.define("SQLITE_THREADSAFE", to: "0", .when(traits: ["THREADSAFE_0"])),
.define("SQLITE_THREADSAFE", to: "1", .when(traits: ["THREADSAFE_1"])),
.define("SQLITE_THREADSAFE", to: "2", .when(traits: ["THREADSAFE_2"])),
// https://sqlite.org/compile.html#default_memstatus
.define("SQLITE_DEFAULT_MEMSTATUS", to: "0", .when(traits: ["DEFAULT_MEMSTATUS_0"])),
// https://sqlite.org/compile.html#default_wal_synchronous
.define("SQLITE_DEFAULT_WAL_SYNCHRONOUS", to: "1", .when(traits: ["DEFAULT_WAL_SYNCHRONOUS_1"])),
// https://sqlite.org/compile.html#like_doesnt_match_blobs
.define("SQLITE_LIKE_DOESNT_MATCH_BLOBS", .when(traits: ["LIKE_DOESNT_MATCH_BLOBS"])),
// https://sqlite.org/limits.html#max_expr_depth
.define("SQLITE_MAX_EXPR_DEPTH", to: "0", .when(traits: ["MAX_EXPR_DEPTH_0"])),
// https://sqlite.org/compile.html#omit_decltype
.define("SQLITE_OMIT_DECLTYPE", .when(traits: ["OMIT_DECLTYPE"])),
// https://sqlite.org/compile.html#omit_deprecated
.define("SQLITE_OMIT_DEPRECATED", .when(traits: ["OMIT_DEPRECATED"])),
// https://sqlite.org/compile.html#omit_progress_callback
.define("SQLITE_OMIT_PROGRESS_CALLBACK", .when(traits: ["OMIT_PROGRESS_CALLBACK"])),
// https://sqlite.org/compile.html#omit_shared_cache
.define("SQLITE_OMIT_SHARED_CACHE", .when(traits: ["OMIT_SHARED_CACHE"])),
// https://sqlite.org/compile.html#use_alloca
.define("SQLITE_USE_ALLOCA", .when(traits: ["USE_ALLOCA"])),
// https://sqlite.org/compile.html#omit_autoinit
.define("SQLITE_OMIT_AUTOINIT", .when(traits: ["OMIT_AUTOINIT"])),
// https://sqlite.org/compile.html#strict_subtype
.define("SQLITE_STRICT_SUBTYPE", to: "1", .when(traits: ["STRICT_SUBTYPE_1"])),
]

/// Platform configuration
/// - seealso: [Platform Configuration](https://sqlite.org/compile.html#_platform_configuration)
let platformConfiguration: [CSetting] = [
.define("HAVE_ISNAN", to: "1"),
// 'strchrnul' is available on linux since glibc 2.1.1 (1999-05-24)
.define("HAVE_STRCHRNUL", to: "1", .when(platforms: [.linux])),
// 'strchrnul' is only available on macOS 15.4, iOS 18.4, tvOS 18.4, watchOS 11.4
// and there is no way to specify a version in the build settings condition platform
.define("HAVE_UTIME", to: "1"),
]

/// Features
/// - seealso: [Options To Enable Features Normally Turned Off](https://sqlite.org/compile.html#_options_to_enable_features_normally_turned_off)
let features: [CSetting] = [
// https://sqlite.org/bytecodevtab.html
.define("SQLITE_ENABLE_BYTECODE_VTAB", .when(traits: ["ENABLE_BYTECODE_VTAB"])),
// https://sqlite.org/carray.html
.define("SQLITE_ENABLE_CARRAY", .when(traits: ["ENABLE_CARRAY"])),
// https://sqlite.org/c3ref/column_database_name.html
.define("SQLITE_ENABLE_COLUMN_METADATA", .when(traits: ["ENABLE_COLUMN_METADATA"])),
// https://sqlite.org/dbpage.html
.define("SQLITE_ENABLE_DBPAGE_VTAB", .when(traits: ["ENABLE_DBPAGE_VTAB"])),
// https://sqlite.org/dbstat.html
.define("SQLITE_ENABLE_DBSTAT_VTAB", .when(traits: ["ENABLE_DBSTAT_VTAB"])),
// https://sqlite.org/fts3.html
.define("SQLITE_ENABLE_FTS4", .when(traits: ["ENABLE_FTS4"])),
// https://sqlite.org/fts5.html
.define("SQLITE_ENABLE_FTS5", .when(traits: ["ENABLE_FTS5"])),
// https://sqlite.org/geopoly.html
.define("SQLITE_ENABLE_GEOPOLY", .when(traits: ["ENABLE_GEOPOLY"])),
//.define("SQLITE_ENABLE_ICU", .when(traits: ["ENABLE_ICU"])),
// https://sqlite.org/lang_mathfunc.html
.define("SQLITE_ENABLE_MATH_FUNCTIONS", .when(traits: ["ENABLE_MATH_FUNCTIONS"])),
// https://sqlite.org/c3ref/expanded_sql.html
.define("SQLITE_ENABLE_NORMALIZE", .when(traits: ["ENABLE_NORMALIZE"])),
// https://sqlite.org/percentile.html
.define("SQLITE_ENABLE_PERCENTILE", .when(traits: ["ENABLE_PERCENTILE"])),
// https://sqlite.org/c3ref/preupdate_blobwrite.html
.define("SQLITE_ENABLE_PREUPDATE_HOOK", .when(traits: ["ENABLE_PREUPDATE_HOOK"])),
// https://sqlite.org/rtree.html
.define("SQLITE_ENABLE_RTREE", .when(traits: ["ENABLE_RTREE"])),
// https://sqlite.org/sessionintro.html
.define("SQLITE_ENABLE_SESSION", .when(traits: ["ENABLE_SESSION"])),
// https://sqlite.org/c3ref/snapshot.html
.define("SQLITE_ENABLE_SNAPSHOT", .when(traits: ["ENABLE_SNAPSHOT"])),
// https://sqlite.org/stmt.html
.define("SQLITE_ENABLE_STMTVTAB", .when(traits: ["ENABLE_STMTVTAB"])),
// https://sqlite.org/fileformat2.html#stat4tab
.define("SQLITE_ENABLE_STAT4", .when(traits: ["ENABLE_STAT4"])),
]

let sqlcipherConfiguration: [CSetting] = [
.headerSearchPath("libtomcrypt/headers"),
.define("SQLITE_ENABLE_API_ARMOR"),
.define("SQLITE_ENABLE_MEMORY_MANAGEMENT"),
.define("SQLITE_ENABLE_UNKNOWN_SQL_FUNCTION"),
.define("SQLITE_ENABLE_UNLOCK_NOTIFY"),
.define("SQLITE_MAX_VARIABLE_NUMBER", to: "250000"),
.define("SQLITE_SECURE_DELETE"),
.define("SQLITE_USE_URI"),
.define("SQLITE_HAS_CODEC"),
.define("SQLITE_HOMEGROWN_RECURSIVE_MUTEX"), // needed or we see hangs in test cases
.define("SQLITE_TEMP_STORE", to: "2"),
.define("SQLITE_EXTRA_INIT", to: "sqlcipher_extra_init"),
.define("SQLITE_EXTRA_SHUTDOWN", to: "sqlcipher_extra_shutdown"),
.define("HAVE_GETHOSTUUID", to: "0"),
.define("HAVE_STDINT_H"),
.define("SQLCIPHER_CRYPTO_LIBTOMCRYPT"),
.define("SQLCIPHER_CRYPTO_CUSTOM", to: "sqlcipher_ltc_setup"),
]

let package = Package(
name: "swift-sqlcipher",
platforms: [
Expand All @@ -20,53 +127,199 @@ let package = Package(
targets: ["SQLCipher"]
)
],
traits: [
// Compile-time options
.trait(
name: "DQS_0",
description: "Disallow double-quoted string literals in DDL and DML"
),
.trait(
name: "DQS_1",
description: "Disallow double-quoted strings in DDL, allow in DML"
),
.trait(
name: "DQS_2",
description: "Allow double-quoted strings in DDL, disallow in DML"
),
.trait(
name: "DQS_3",
description: "Allow double-quoted strings in DDL and DML"
),
.trait(
name: "THREADSAFE_0",
description: "Omit all mutex and thread-safety logic"
),
.trait(
name: "THREADSAFE_1",
description: "The library may be safely used from multiple threads (serialized mode)"
),
.trait(
name: "THREADSAFE_2",
description: "The library may be safely used from multiple threads but individual database connections can only be used by a single thread at a time (multi-thread mode)"
),
.trait(
name: "DEFAULT_MEMSTATUS_0",
description: "Disable memory allocation statistics by default"
),
.trait(
name: "DEFAULT_WAL_SYNCHRONOUS_1",
description: "Use synchronous=NORMAL in WAL mode by default"
),
.trait(
name: "LIKE_DOESNT_MATCH_BLOBS",
description: "Don't allow BLOB operands to LIKE and GLOB operators"
),
.trait(
name: "MAX_EXPR_DEPTH_0",
description: "Disable all checking of the expression parse-tree depth"
),
.trait(
name: "OMIT_DECLTYPE",
description: "Omit the ability to return the declared type of columns"
),
.trait(
name: "OMIT_DEPRECATED",
description: "Omit deprecated interfaces and features"
),
.trait(
name: "OMIT_PROGRESS_CALLBACK",
description: "Omit progress callback"
),
.trait(
name: "OMIT_SHARED_CACHE",
description: "Omit shared cache support"
),
.trait(
name: "USE_ALLOCA",
description: "Use alloca to dynamically allocate temporary stack space"
),
.trait(
name: "OMIT_AUTOINIT",
description: "Omit automatic library initialization"
),
.trait(
name: "STRICT_SUBTYPE_1",
description: "Cause application-defined SQL functions not registered with the SQLITE_RESULT_SUBTYPE property to raise an error when invoking sqlite3_result_subtype"
),
// Features
.trait(
name: "ENABLE_BYTECODE_VTAB",
description: "Enables bytecode and tables_used table-valued functions"
),
.trait(
name: "ENABLE_CARRAY",
description: "Enables the carray extension"
),
.trait(
name: "ENABLE_COLUMN_METADATA",
description: "Enables column and table metadata functions"
),
.trait(
name: "ENABLE_DBPAGE_VTAB",
description: "Enables the sqlite_dbpage virtual table"
),
.trait(
name: "ENABLE_DBSTAT_VTAB",
description: "Enables the dbstat virtual table"
),
.trait(
name: "ENABLE_FTS4",
description: "Enables versions 3 and 4 of the full-text search engine (fts3 and fts4)"
),
.trait(
name: "ENABLE_FTS5",
description: "Enables version 5 of the full-text search engine (fts5)"
),
.trait(
name: "ENABLE_GEOPOLY",
description: "Enables the Geopoly extension"
),
.trait(
name: "ENABLE_MATH_FUNCTIONS",
description: "Enables the built-in SQL math functions"
),
.trait(
name: "ENABLE_NORMALIZE",
description: "Enables the sqlite3_normalized_sql function"
),
.trait(
name: "ENABLE_PERCENTILE",
description: "Enables the percentile extension"
),
.trait(
name: "ENABLE_PREUPDATE_HOOK",
description: "Enables the pre-update hook"
),
.trait(
name: "ENABLE_RTREE",
description: "Enables the R*Tree index extension"
),
.trait(
name: "ENABLE_SESSION",
description: "Enables the pre-update hook and session extension",
enabledTraits: [
"ENABLE_PREUPDATE_HOOK",
]
),
.trait(
name: "ENABLE_SNAPSHOT",
description: "Enables support for database snapshots"
),
.trait(
name: "ENABLE_STMTVTAB",
description: "Enables the sqlite_stmt virtual table"
),
.trait(
name: "ENABLE_STAT4",
description: "Enables the sqlite_stat4 table"
),
// Default traits
.default(enabledTraits: [
"DQS_0",
"ENABLE_COLUMN_METADATA",
"ENABLE_DBSTAT_VTAB",
"ENABLE_SESSION",
"ENABLE_PREUPDATE_HOOK",
"THREADSAFE_2",
"DEFAULT_MEMSTATUS_0",
"DEFAULT_WAL_SYNCHRONOUS_1",
"LIKE_DOESNT_MATCH_BLOBS",
"MAX_EXPR_DEPTH_0",
"OMIT_DEPRECATED",
"OMIT_PROGRESS_CALLBACK",
"OMIT_SHARED_CACHE",
"USE_ALLOCA",
"STRICT_SUBTYPE_1",
"ENABLE_CARRAY",
"ENABLE_FTS5",
"ENABLE_MATH_FUNCTIONS",
"ENABLE_PERCENTILE",
"ENABLE_RTREE",
"ENABLE_SNAPSHOT",
"ENABLE_STMTVTAB",
"ENABLE_STAT4",
]),
],
targets: [
.target(
name: "SQLiteDB",
dependencies: [.target(name: "SQLCipher")],
cSettings: [.define("SQLITE_HAS_CODEC")],
swiftSettings: [.define("SQLITE_SWIFT_SQLCIPHER")]
swiftSettings: [
.define("SQLITE_SWIFT_SQLCIPHER"),
.enableUpcomingFeature("DisableOutwardActorInference"),
.enableUpcomingFeature("GlobalActorIsolatedTypesUsability"),
.enableUpcomingFeature("InferIsolatedConformances"),
.enableUpcomingFeature("InferSendableFromCaptures"),
.enableUpcomingFeature("NonisolatedNonsendingByDefault")
]
),
.target(
name: "SQLCipher",
sources: ["sqlite", "libtomcrypt"],
publicHeadersPath: "sqlite",
cSettings: [
.headerSearchPath("libtomcrypt/headers"),
.define("SQLITE_DQS", to: "0"),
.define("SQLITE_ENABLE_API_ARMOR"),
.define("SQLITE_ENABLE_COLUMN_METADATA"),
.define("SQLITE_ENABLE_DBSTAT_VTAB"),
.define("SQLITE_ENABLE_FTS3"),
.define("SQLITE_ENABLE_FTS3_PARENTHESIS"),
.define("SQLITE_ENABLE_FTS3_TOKENIZER"),
.define("SQLITE_ENABLE_FTS4"),
.define("SQLITE_ENABLE_FTS5"),
.define("SQLITE_ENABLE_MEMORY_MANAGEMENT"),
.define("SQLITE_ENABLE_PREUPDATE_HOOK"),
.define("SQLITE_ENABLE_RTREE"),
.define("SQLITE_ENABLE_SESSION"),
.define("SQLITE_ENABLE_STMTVTAB"),
.define("SQLITE_ENABLE_UNKNOWN_SQL_FUNCTION"),
.define("SQLITE_ENABLE_UNLOCK_NOTIFY"),
.define("SQLITE_MAX_VARIABLE_NUMBER", to: "250000"),
.define("SQLITE_LIKE_DOESNT_MATCH_BLOBS"),
.define("SQLITE_OMIT_DEPRECATED"),
.define("SQLITE_OMIT_SHARED_CACHE"),
.define("SQLITE_SECURE_DELETE"),
.define("SQLITE_THREADSAFE", to: "2"),
.define("SQLITE_USE_URI"),
.define("SQLITE_ENABLE_SNAPSHOT"),
.define("SQLITE_HAS_CODEC"),
.define("SQLITE_HOMEGROWN_RECURSIVE_MUTEX"), // needed or we see hangs in test cases
.define("SQLITE_TEMP_STORE", to: "2"),
.define("SQLITE_EXTRA_INIT", to: "sqlcipher_extra_init"),
.define("SQLITE_EXTRA_SHUTDOWN", to: "sqlcipher_extra_shutdown"),
.define("HAVE_GETHOSTUUID", to: "0"),
.define("HAVE_STDINT_H"),
.define("SQLCIPHER_CRYPTO_LIBTOMCRYPT"),
.define("SQLCIPHER_CRYPTO_CUSTOM", to: "sqlcipher_ltc_setup"),
],
cSettings:
compileTimeOptions + platformConfiguration + features + sqlcipherConfiguration,
linkerSettings: [.linkedLibrary("log", .when(platforms: [.android]))]),
.testTarget(
name: "SQLiteDBTests",
Expand Down
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