1973 lines
64 KiB
C
1973 lines
64 KiB
C
/*
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** This file requires access to sqlite3.c static state in order to
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** implement certain WASM-specific features, and thus directly
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** includes that file. Unlike the rest of sqlite3.c, this file
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** requires compiling with -std=c99 (or equivalent, or a later C
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** version) because it makes use of features not available in C89.
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**
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** At its simplest, to build sqlite3.wasm either place this file
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** in the same directory as sqlite3.c/h before compilation or use the
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** -I/path flag to tell the compiler where to find both of those
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** files, then compile this file. For example:
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**
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** emcc -o sqlite3.wasm ... -I/path/to/sqlite3-c-and-h sqlite3-wasm.c
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*/
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#define SQLITE_WASM
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#ifdef SQLITE_WASM_ENABLE_C_TESTS
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/*
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** Code blocked off by SQLITE_WASM_TESTS is intended solely for use in
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** unit/regression testing. They may be safely omitted from
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** client-side builds. The main unit test script, tester1.js, will
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** skip related tests if it doesn't find the corresponding functions
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** in the WASM exports.
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*/
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# define SQLITE_WASM_TESTS 1
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#else
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# define SQLITE_WASM_TESTS 0
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#endif
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/*
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** Threading and file locking: JS is single-threaded. Each Worker
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** thread is a separate instance of the JS engine so can never access
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** the same db handle as another thread, thus multi-threading support
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** is unnecessary in the library. Because the filesystems are virtual
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** and local to a given wasm runtime instance, two Workers can never
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** access the same db file at once, with the exception of OPFS.
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**
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** Summary: except for the case of OPFS, which supports locking using
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** its own API, threading and file locking support are unnecessary in
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** the wasm build.
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*/
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/*
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** Undefine any SQLITE_... config flags which we specifically do not
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** want defined. Please keep these alphabetized.
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*/
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#undef SQLITE_OMIT_DESERIALIZE
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#undef SQLITE_OMIT_MEMORYDB
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/*
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** Define any SQLITE_... config defaults we want if they aren't
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** overridden by the builder. Please keep these alphabetized.
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*/
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/**********************************************************************/
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/* SQLITE_D... */
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#ifndef SQLITE_DEFAULT_CACHE_SIZE
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/*
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** The OPFS impls benefit tremendously from an increased cache size
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** when working on large workloads, e.g. speedtest1 --size 50 or
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** higher. On smaller workloads, e.g. speedtest1 --size 25, they
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** clearly benefit from having 4mb of cache, but not as much as a
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** larger cache benefits the larger workloads. Speed differences
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** between 2x and nearly 3x have been measured with ample page cache.
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*/
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# define SQLITE_DEFAULT_CACHE_SIZE -16384
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#endif
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#if !defined(SQLITE_DEFAULT_PAGE_SIZE)
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/*
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** OPFS performance is improved by approx. 12% with a page size of 8kb
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** instead of 4kb. Performance with 16kb is equivalent to 8kb.
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**
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** Performance difference of kvvfs with a page size of 8kb compared to
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** 4kb, as measured by speedtest1 --size 4, is indeterminate:
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** measurements are all over the place either way and not
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** significantly different.
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*/
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# define SQLITE_DEFAULT_PAGE_SIZE 8192
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#endif
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#ifndef SQLITE_DEFAULT_UNIX_VFS
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# define SQLITE_DEFAULT_UNIX_VFS "unix-none"
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#endif
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#undef SQLITE_DQS
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#define SQLITE_DQS 0
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/**********************************************************************/
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/* SQLITE_ENABLE_... */
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/*
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** Unconditionally enable API_ARMOR in the WASM build. It ensures that
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** public APIs behave predictable in the face of passing illegal NULLs
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** or ranges which might otherwise invoke undefined behavior.
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*/
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#undef SQLITE_ENABLE_API_ARMOR
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#define SQLITE_ENABLE_API_ARMOR 1
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#ifndef SQLITE_ENABLE_BYTECODE_VTAB
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# define SQLITE_ENABLE_BYTECODE_VTAB 1
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#endif
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#ifndef SQLITE_ENABLE_DBPAGE_VTAB
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# define SQLITE_ENABLE_DBPAGE_VTAB 1
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#endif
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#ifndef SQLITE_ENABLE_DBSTAT_VTAB
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# define SQLITE_ENABLE_DBSTAT_VTAB 1
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#endif
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#ifndef SQLITE_ENABLE_EXPLAIN_COMMENTS
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# define SQLITE_ENABLE_EXPLAIN_COMMENTS 1
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#endif
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#ifndef SQLITE_ENABLE_FTS5
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# define SQLITE_ENABLE_FTS5 1
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#endif
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#ifndef SQLITE_ENABLE_MATH_FUNCTIONS
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# define SQLITE_ENABLE_MATH_FUNCTIONS 1
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#endif
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#ifndef SQLITE_ENABLE_OFFSET_SQL_FUNC
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# define SQLITE_ENABLE_OFFSET_SQL_FUNC 1
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#endif
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#ifndef SQLITE_ENABLE_PREUPDATE_HOOK
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# define SQLITE_ENABLE_PREUPDATE_HOOK 1 /*required by session extension*/
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#endif
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#ifndef SQLITE_ENABLE_RTREE
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# define SQLITE_ENABLE_RTREE 1
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#endif
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#ifndef SQLITE_ENABLE_SESSION
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# define SQLITE_ENABLE_SESSION 1
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#endif
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#ifndef SQLITE_ENABLE_STMTVTAB
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# define SQLITE_ENABLE_STMTVTAB 1
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#endif
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#ifndef SQLITE_ENABLE_UNKNOWN_SQL_FUNCTION
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# define SQLITE_ENABLE_UNKNOWN_SQL_FUNCTION
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#endif
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/**********************************************************************/
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/* SQLITE_O... */
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#ifndef SQLITE_OMIT_DEPRECATED
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# define SQLITE_OMIT_DEPRECATED 1
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#endif
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#ifndef SQLITE_OMIT_LOAD_EXTENSION
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# define SQLITE_OMIT_LOAD_EXTENSION 1
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#endif
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#ifndef SQLITE_OMIT_SHARED_CACHE
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# define SQLITE_OMIT_SHARED_CACHE 1
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#endif
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#ifndef SQLITE_OMIT_UTF16
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# define SQLITE_OMIT_UTF16 1
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#endif
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#ifndef SQLITE_OS_KV_OPTIONAL
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# define SQLITE_OS_KV_OPTIONAL 1
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#endif
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/**********************************************************************/
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/* SQLITE_S... */
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#ifndef SQLITE_STRICT_SUBTYPE
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# define SQLITE_STRICT_SUBTYPE 1
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#endif
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/**********************************************************************/
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/* SQLITE_T... */
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#ifndef SQLITE_TEMP_STORE
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# define SQLITE_TEMP_STORE 2
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#endif
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#ifndef SQLITE_THREADSAFE
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# define SQLITE_THREADSAFE 0
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#endif
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/**********************************************************************/
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/* SQLITE_USE_... */
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#ifndef SQLITE_USE_URI
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# define SQLITE_USE_URI 1
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#endif
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#ifdef SQLITE_WASM_EXTRA_INIT
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# define SQLITE_EXTRA_INIT sqlite3_wasm_extra_init
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#endif
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/*
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** If SQLITE_WASM_MINIMAL is defined, undefine most of the ENABLE
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** macros.
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*/
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#ifdef SQLITE_WASM_MINIMAL
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# undef SQLITE_ENABLE_DBPAGE_VTAB
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# undef SQLITE_ENABLE_DBSTAT_VTAB
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# undef SQLITE_ENABLE_EXPLAIN_COMMENTS
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# undef SQLITE_ENABLE_FTS5
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# undef SQLITE_ENABLE_OFFSET_SQL_FUNC
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# undef SQLITE_ENABLE_PREUPDATE_HOOK
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# undef SQLITE_ENABLE_RTREE
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# undef SQLITE_ENABLE_SESSION
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# undef SQLITE_ENABLE_STMTVTAB
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# undef SQLITE_OMIT_AUTHORIZATION
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# define SQLITE_OMIT_AUTHORIZATION
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/*Reminder re. custom sqlite3.c:
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fossil clean -x
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./configure
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OPTS='-DSQLITE_OMIT_VIRTUALTABLE -DSQLITE_OMIT_EXPLAIN -DSQLITE_OMIT_TRIGGER' make -e sqlite3
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*/
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/*Requires a custom sqlite3.c
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# undef SQLITE_OMIT_TRIGGER
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# define SQLITE_OMIT_TRIGGER
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*/
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/*TODO (requires build tweaks)
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# undef SQLITE_OMIT_WINDOWFUNC
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# define SQLITE_OMIT_WINDOWFUNC
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*/
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/*Requires a custom sqlite3.c
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# undef SQLITE_OMIT_EXPLAIN
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# define SQLITE_OMIT_EXPLAIN
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*/
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/*Requires a custom sqlite3.c
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# undef SQLITE_OMIT_VIRTUALTABLE
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# define SQLITE_OMIT_VIRTUALTABLE
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*/
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# undef SQLITE_OMIT_JSON
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# define SQLITE_OMIT_JSON
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#endif
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#include <assert.h>
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/*
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** SQLITE_WASM_EXPORT is functionally identical to EMSCRIPTEN_KEEPALIVE
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** but is not Emscripten-specific. It explicitly marks functions for
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** export into the target wasm file without requiring explicit listing
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** of those functions in Emscripten's -sEXPORTED_FUNCTIONS=... list
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** (or equivalent in other build platforms). Any function with neither
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** this attribute nor which is listed as an explicit export will not
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** be exported from the wasm file (but may still be used internally
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** within the wasm file).
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**
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** The functions in this file (sqlite3-wasm.c) which require exporting
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** are marked with this flag. They may also be added to any explicit
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** build-time export list but need not be. All of these APIs are
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** intended for use only within the project's own JS/WASM code, and
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** not by client code, so an argument can be made for reducing their
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** visibility by not including them in any build-time export lists.
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**
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** 2022-09-11: it's not yet _proven_ that this approach works in
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** non-Emscripten builds. If not, such builds will need to export
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** those using the --export=... wasm-ld flag (or equivalent). As of
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** this writing we are tied to Emscripten for various reasons
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** and cannot test the library with other build environments.
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*/
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#define SQLITE_WASM_EXPORT __attribute__((used,visibility("default")))
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// See also:
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//__attribute__((export_name("theExportedName"), used, visibility("default")))
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/*
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** Which sqlite3.c we're using needs to be configurable to enable
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** building against a custom copy, e.g. the SEE variant. Note that we
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** #include the .c file, rather than the header, so that the WASM
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** extensions have access to private API internals.
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**
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** The caveat here is that custom variants need to account for
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** exporting any necessary symbols (e.g. sqlite3_activate_see()). We
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** cannot export them from here using SQLITE_WASM_EXPORT because that
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** attribute (apparently) has to be part of the function definition.
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*/
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#ifndef SQLITE_C
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# define SQLITE_C sqlite3.c /* yes, .c instead of .h. */
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#endif
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#define INC__STRINGIFY_(f) #f
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#define INC__STRINGIFY(f) INC__STRINGIFY_(f)
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#include INC__STRINGIFY(SQLITE_C)
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#undef INC__STRINGIFY_
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#undef INC__STRINGIFY
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#undef SQLITE_C
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#if defined(__EMSCRIPTEN__)
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# include <emscripten/console.h>
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#endif
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#if 0
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/*
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** An EXPERIMENT in implementing a stack-based allocator analog to
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** Emscripten's stackSave(), stackAlloc(), stackRestore().
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** Unfortunately, this cannot work together with Emscripten because
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** Emscripten defines its own native one and we'd stomp on each
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** other's memory. Other than that complication, basic tests show it
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** to work just fine.
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**
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** Another option is to malloc() a chunk of our own and call that our
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** "stack".
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*/
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SQLITE_WASM_EXPORT void * sqlite3__wasm_stack_end(void){
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extern void __heap_base
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/* see https://stackoverflow.com/questions/10038964 */;
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return &__heap_base;
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}
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SQLITE_WASM_EXPORT void * sqlite3__wasm_stack_begin(void){
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extern void __data_end;
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return &__data_end;
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}
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static void * pWasmStackPtr = 0;
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SQLITE_WASM_EXPORT void * sqlite3__wasm_stack_ptr(void){
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if(!pWasmStackPtr) pWasmStackPtr = sqlite3__wasm_stack_end();
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return pWasmStackPtr;
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}
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SQLITE_WASM_EXPORT void sqlite3__wasm_stack_restore(void * p){
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pWasmStackPtr = p;
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}
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SQLITE_WASM_EXPORT void * sqlite3__wasm_stack_alloc(int n){
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if(n<=0) return 0;
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n = (n + 7) & ~7 /* align to 8-byte boundary */;
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unsigned char * const p = (unsigned char *)sqlite3__wasm_stack_ptr();
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unsigned const char * const b = (unsigned const char *)sqlite3__wasm_stack_begin();
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if(b + n >= p || b + n < b/*overflow*/) return 0;
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return pWasmStackPtr = p - n;
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}
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#endif /* stack allocator experiment */
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/*
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** State for the "pseudo-stack" allocator implemented in
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** sqlite3__wasm_pstack_xyz(). In order to avoid colliding with
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** Emscripten-controled stack space, it carves out a bit of stack
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** memory to use for that purpose. This memory ends up in the
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** WASM-managed memory, such that routines which manipulate the wasm
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** heap can also be used to manipulate this memory.
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**
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** This particular allocator is intended for small allocations such as
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** storage for output pointers. We cannot reasonably size it large
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** enough for general-purpose string conversions because some of our
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** tests use input files (strings) of 16MB+.
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*/
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static unsigned char PStack_mem[512 * 8] = {0};
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static struct {
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unsigned const char * const pBegin;/* Start (inclusive) of memory */
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unsigned const char * const pEnd; /* One-after-the-end of memory */
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unsigned char * pPos; /* Current stack pointer */
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} PStack = {
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&PStack_mem[0],
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&PStack_mem[0] + sizeof(PStack_mem),
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&PStack_mem[0] + sizeof(PStack_mem)
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};
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/*
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** Returns the current pstack position.
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*/
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SQLITE_WASM_EXPORT void * sqlite3__wasm_pstack_ptr(void){
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return PStack.pPos;
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}
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/*
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** Sets the pstack position poitner to p. Results are undefined if the
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** given value did not come from sqlite3__wasm_pstack_ptr().
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*/
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SQLITE_WASM_EXPORT void sqlite3__wasm_pstack_restore(unsigned char * p){
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assert(p>=PStack.pBegin && p<=PStack.pEnd && p>=PStack.pPos);
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assert(0==((unsigned long long)p & 0x7));
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if(p>=PStack.pBegin && p<=PStack.pEnd /*&& p>=PStack.pPos*/){
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PStack.pPos = p;
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}
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}
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/*
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** Allocate and zero out n bytes from the pstack. Returns a pointer to
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** the memory on success, 0 on error (including a negative n value). n
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** is always adjusted to be a multiple of 8 and returned memory is
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** always zeroed out before returning (because this keeps the client
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** JS code from having to do so, and most uses of the pstack will
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** call for doing so).
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*/
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SQLITE_WASM_EXPORT void * sqlite3__wasm_pstack_alloc(int n){
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if( n<=0 ) return 0;
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//if( n & 0x7 ) n += 8 - (n & 0x7) /* align to 8-byte boundary */;
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n = (n + 7) & ~7 /* align to 8-byte boundary */;
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if( PStack.pBegin + n > PStack.pPos /*not enough space left*/
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|| PStack.pBegin + n <= PStack.pBegin /*overflow*/ ) return 0;
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memset((PStack.pPos = PStack.pPos - n), 0, (unsigned int)n);
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return PStack.pPos;
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}
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/*
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** Return the number of bytes left which can be
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** sqlite3__wasm_pstack_alloc()'d.
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*/
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SQLITE_WASM_EXPORT int sqlite3__wasm_pstack_remaining(void){
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assert(PStack.pPos >= PStack.pBegin);
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assert(PStack.pPos <= PStack.pEnd);
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return (int)(PStack.pPos - PStack.pBegin);
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}
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/*
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** Return the total number of bytes available in the pstack, including
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** any space which is currently allocated. This value is a
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** compile-time constant.
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*/
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SQLITE_WASM_EXPORT int sqlite3__wasm_pstack_quota(void){
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return (int)(PStack.pEnd - PStack.pBegin);
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}
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/*
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** This function is NOT part of the sqlite3 public API. It is strictly
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** for use by the sqlite project's own JS/WASM bindings.
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**
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** For purposes of certain hand-crafted C/Wasm function bindings, we
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** need a way of reporting errors which is consistent with the rest of
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** the C API, as opposed to throwing JS exceptions. To that end, this
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** internal-use-only function is a thin proxy around
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** sqlite3ErrorWithMessage(). The intent is that it only be used from
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** Wasm bindings such as sqlite3_prepare_v2/v3(), and definitely not
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** from client code.
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**
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** Returns err_code.
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*/
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SQLITE_WASM_EXPORT
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int sqlite3__wasm_db_error(sqlite3*db, int err_code, const char *zMsg){
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if( db!=0 ){
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if( 0!=zMsg ){
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const int nMsg = sqlite3Strlen30(zMsg);
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sqlite3_mutex_enter(sqlite3_db_mutex(db));
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sqlite3ErrorWithMsg(db, err_code, "%.*s", nMsg, zMsg);
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sqlite3_mutex_leave(sqlite3_db_mutex(db));
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}else{
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sqlite3ErrorWithMsg(db, err_code, NULL);
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}
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}
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return err_code;
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}
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#if SQLITE_WASM_TESTS
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struct WasmTestStruct {
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int v4;
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void * ppV;
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const char * cstr;
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int64_t v8;
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void (*xFunc)(void*);
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};
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typedef struct WasmTestStruct WasmTestStruct;
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SQLITE_WASM_EXPORT
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void sqlite3__wasm_test_struct(WasmTestStruct * s){
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if(s){
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s->v4 *= 2;
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s->v8 = s->v4 * 2;
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s->ppV = s;
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s->cstr = __FILE__;
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if(s->xFunc) s->xFunc(s);
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}
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return;
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}
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#endif /* SQLITE_WASM_TESTS */
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/*
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** This function is NOT part of the sqlite3 public API. It is strictly
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** for use by the sqlite project's own JS/WASM bindings. Unlike the
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** rest of the sqlite3 API, this part requires C99 for snprintf() and
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** variadic macros.
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**
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** Returns a string containing a JSON-format "enum" of C-level
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** constants and struct-related metadata intended to be imported into
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** the JS environment. The JSON is initialized the first time this
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** function is called and that result is reused for all future calls.
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**
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** If this function returns NULL then it means that the internal
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** buffer is not large enough for the generated JSON and needs to be
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** increased. In debug builds that will trigger an assert().
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*/
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SQLITE_WASM_EXPORT
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const char * sqlite3__wasm_enum_json(void){
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static char aBuffer[1024 * 20] = {0} /* where the JSON goes */;
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int n = 0, nChildren = 0, nStruct = 0
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/* output counters for figuring out where commas go */;
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char * zPos = &aBuffer[1] /* skip first byte for now to help protect
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** against a small race condition */;
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char const * const zEnd = &aBuffer[0] + sizeof(aBuffer) /* one-past-the-end */;
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if(aBuffer[0]) return aBuffer;
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/* Leave aBuffer[0] at 0 until the end to help guard against a tiny
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** race condition. If this is called twice concurrently, they might
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** end up both writing to aBuffer, but they'll both write the same
|
|
** thing, so that's okay. If we set byte 0 up front then the 2nd
|
|
** instance might return and use the string before the 1st instance
|
|
** is done filling it. */
|
|
|
|
/* Core output macros... */
|
|
#define lenCheck assert(zPos < zEnd - 128 \
|
|
&& "sqlite3__wasm_enum_json() buffer is too small."); \
|
|
if( zPos >= zEnd - 128 ) return 0
|
|
#define outf(format,...) \
|
|
zPos += snprintf(zPos, ((size_t)(zEnd - zPos)), format, __VA_ARGS__); \
|
|
lenCheck
|
|
#define out(TXT) outf("%s",TXT)
|
|
#define CloseBrace(LEVEL) \
|
|
assert(LEVEL<5); memset(zPos, '}', LEVEL); zPos+=LEVEL; lenCheck
|
|
|
|
/* Macros for emitting maps of integer- and string-type macros to
|
|
** their values. */
|
|
#define DefGroup(KEY) n = 0; \
|
|
outf("%s\"" #KEY "\": {",(nChildren++ ? "," : ""));
|
|
#define DefInt(KEY) \
|
|
outf("%s\"%s\": %d", (n++ ? ", " : ""), #KEY, (int)KEY)
|
|
#define DefStr(KEY) \
|
|
outf("%s\"%s\": \"%s\"", (n++ ? ", " : ""), #KEY, KEY)
|
|
#define _DefGroup CloseBrace(1)
|
|
|
|
/* The following groups are sorted alphabetic by group name. */
|
|
DefGroup(access){
|
|
DefInt(SQLITE_ACCESS_EXISTS);
|
|
DefInt(SQLITE_ACCESS_READWRITE);
|
|
DefInt(SQLITE_ACCESS_READ)/*docs say this is unused*/;
|
|
} _DefGroup;
|
|
|
|
DefGroup(authorizer){
|
|
DefInt(SQLITE_DENY);
|
|
DefInt(SQLITE_IGNORE);
|
|
DefInt(SQLITE_CREATE_INDEX);
|
|
DefInt(SQLITE_CREATE_TABLE);
|
|
DefInt(SQLITE_CREATE_TEMP_INDEX);
|
|
DefInt(SQLITE_CREATE_TEMP_TABLE);
|
|
DefInt(SQLITE_CREATE_TEMP_TRIGGER);
|
|
DefInt(SQLITE_CREATE_TEMP_VIEW);
|
|
DefInt(SQLITE_CREATE_TRIGGER);
|
|
DefInt(SQLITE_CREATE_VIEW);
|
|
DefInt(SQLITE_DELETE);
|
|
DefInt(SQLITE_DROP_INDEX);
|
|
DefInt(SQLITE_DROP_TABLE);
|
|
DefInt(SQLITE_DROP_TEMP_INDEX);
|
|
DefInt(SQLITE_DROP_TEMP_TABLE);
|
|
DefInt(SQLITE_DROP_TEMP_TRIGGER);
|
|
DefInt(SQLITE_DROP_TEMP_VIEW);
|
|
DefInt(SQLITE_DROP_TRIGGER);
|
|
DefInt(SQLITE_DROP_VIEW);
|
|
DefInt(SQLITE_INSERT);
|
|
DefInt(SQLITE_PRAGMA);
|
|
DefInt(SQLITE_READ);
|
|
DefInt(SQLITE_SELECT);
|
|
DefInt(SQLITE_TRANSACTION);
|
|
DefInt(SQLITE_UPDATE);
|
|
DefInt(SQLITE_ATTACH);
|
|
DefInt(SQLITE_DETACH);
|
|
DefInt(SQLITE_ALTER_TABLE);
|
|
DefInt(SQLITE_REINDEX);
|
|
DefInt(SQLITE_ANALYZE);
|
|
DefInt(SQLITE_CREATE_VTABLE);
|
|
DefInt(SQLITE_DROP_VTABLE);
|
|
DefInt(SQLITE_FUNCTION);
|
|
DefInt(SQLITE_SAVEPOINT);
|
|
//DefInt(SQLITE_COPY) /* No longer used */;
|
|
DefInt(SQLITE_RECURSIVE);
|
|
} _DefGroup;
|
|
|
|
DefGroup(blobFinalizers) {
|
|
/* SQLITE_STATIC/TRANSIENT need to be handled explicitly as
|
|
** integers to avoid casting-related warnings. */
|
|
out("\"SQLITE_STATIC\":0, \"SQLITE_TRANSIENT\":-1");
|
|
outf(",\"SQLITE_WASM_DEALLOC\": %lld",
|
|
(sqlite3_int64)(sqlite3_free));
|
|
} _DefGroup;
|
|
|
|
DefGroup(changeset){
|
|
#ifdef SQLITE_CHANGESETSTART_INVERT
|
|
DefInt(SQLITE_CHANGESETSTART_INVERT);
|
|
DefInt(SQLITE_CHANGESETAPPLY_NOSAVEPOINT);
|
|
DefInt(SQLITE_CHANGESETAPPLY_INVERT);
|
|
DefInt(SQLITE_CHANGESETAPPLY_IGNORENOOP);
|
|
|
|
DefInt(SQLITE_CHANGESET_DATA);
|
|
DefInt(SQLITE_CHANGESET_NOTFOUND);
|
|
DefInt(SQLITE_CHANGESET_CONFLICT);
|
|
DefInt(SQLITE_CHANGESET_CONSTRAINT);
|
|
DefInt(SQLITE_CHANGESET_FOREIGN_KEY);
|
|
|
|
DefInt(SQLITE_CHANGESET_OMIT);
|
|
DefInt(SQLITE_CHANGESET_REPLACE);
|
|
DefInt(SQLITE_CHANGESET_ABORT);
|
|
#endif
|
|
} _DefGroup;
|
|
|
|
DefGroup(config){
|
|
DefInt(SQLITE_CONFIG_SINGLETHREAD);
|
|
DefInt(SQLITE_CONFIG_MULTITHREAD);
|
|
DefInt(SQLITE_CONFIG_SERIALIZED);
|
|
DefInt(SQLITE_CONFIG_MALLOC);
|
|
DefInt(SQLITE_CONFIG_GETMALLOC);
|
|
DefInt(SQLITE_CONFIG_SCRATCH);
|
|
DefInt(SQLITE_CONFIG_PAGECACHE);
|
|
DefInt(SQLITE_CONFIG_HEAP);
|
|
DefInt(SQLITE_CONFIG_MEMSTATUS);
|
|
DefInt(SQLITE_CONFIG_MUTEX);
|
|
DefInt(SQLITE_CONFIG_GETMUTEX);
|
|
/* previously SQLITE_CONFIG_CHUNKALLOC 12 which is now unused. */
|
|
DefInt(SQLITE_CONFIG_LOOKASIDE);
|
|
DefInt(SQLITE_CONFIG_PCACHE);
|
|
DefInt(SQLITE_CONFIG_GETPCACHE);
|
|
DefInt(SQLITE_CONFIG_LOG);
|
|
DefInt(SQLITE_CONFIG_URI);
|
|
DefInt(SQLITE_CONFIG_PCACHE2);
|
|
DefInt(SQLITE_CONFIG_GETPCACHE2);
|
|
DefInt(SQLITE_CONFIG_COVERING_INDEX_SCAN);
|
|
DefInt(SQLITE_CONFIG_SQLLOG);
|
|
DefInt(SQLITE_CONFIG_MMAP_SIZE);
|
|
DefInt(SQLITE_CONFIG_WIN32_HEAPSIZE);
|
|
DefInt(SQLITE_CONFIG_PCACHE_HDRSZ);
|
|
DefInt(SQLITE_CONFIG_PMASZ);
|
|
DefInt(SQLITE_CONFIG_STMTJRNL_SPILL);
|
|
DefInt(SQLITE_CONFIG_SMALL_MALLOC);
|
|
DefInt(SQLITE_CONFIG_SORTERREF_SIZE);
|
|
DefInt(SQLITE_CONFIG_MEMDB_MAXSIZE);
|
|
/* maintenance note: we specifically do not include
|
|
SQLITE_CONFIG_ROWID_IN_VIEW here, on the grounds that
|
|
it's only for legacy support and no apps written with
|
|
this API require that. */
|
|
} _DefGroup;
|
|
|
|
DefGroup(dataTypes) {
|
|
DefInt(SQLITE_INTEGER);
|
|
DefInt(SQLITE_FLOAT);
|
|
DefInt(SQLITE_TEXT);
|
|
DefInt(SQLITE_BLOB);
|
|
DefInt(SQLITE_NULL);
|
|
} _DefGroup;
|
|
|
|
DefGroup(dbConfig){
|
|
DefInt(SQLITE_DBCONFIG_MAINDBNAME);
|
|
DefInt(SQLITE_DBCONFIG_LOOKASIDE);
|
|
DefInt(SQLITE_DBCONFIG_ENABLE_FKEY);
|
|
DefInt(SQLITE_DBCONFIG_ENABLE_TRIGGER);
|
|
DefInt(SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION);
|
|
DefInt(SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE);
|
|
DefInt(SQLITE_DBCONFIG_ENABLE_QPSG);
|
|
DefInt(SQLITE_DBCONFIG_TRIGGER_EQP);
|
|
DefInt(SQLITE_DBCONFIG_RESET_DATABASE);
|
|
DefInt(SQLITE_DBCONFIG_DEFENSIVE);
|
|
DefInt(SQLITE_DBCONFIG_WRITABLE_SCHEMA);
|
|
DefInt(SQLITE_DBCONFIG_LEGACY_ALTER_TABLE);
|
|
DefInt(SQLITE_DBCONFIG_DQS_DML);
|
|
DefInt(SQLITE_DBCONFIG_DQS_DDL);
|
|
DefInt(SQLITE_DBCONFIG_ENABLE_VIEW);
|
|
DefInt(SQLITE_DBCONFIG_LEGACY_FILE_FORMAT);
|
|
DefInt(SQLITE_DBCONFIG_TRUSTED_SCHEMA);
|
|
DefInt(SQLITE_DBCONFIG_STMT_SCANSTATUS);
|
|
DefInt(SQLITE_DBCONFIG_REVERSE_SCANORDER);
|
|
DefInt(SQLITE_DBCONFIG_MAX);
|
|
} _DefGroup;
|
|
|
|
DefGroup(dbStatus){
|
|
DefInt(SQLITE_DBSTATUS_LOOKASIDE_USED);
|
|
DefInt(SQLITE_DBSTATUS_CACHE_USED);
|
|
DefInt(SQLITE_DBSTATUS_SCHEMA_USED);
|
|
DefInt(SQLITE_DBSTATUS_STMT_USED);
|
|
DefInt(SQLITE_DBSTATUS_LOOKASIDE_HIT);
|
|
DefInt(SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE);
|
|
DefInt(SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL);
|
|
DefInt(SQLITE_DBSTATUS_CACHE_HIT);
|
|
DefInt(SQLITE_DBSTATUS_CACHE_MISS);
|
|
DefInt(SQLITE_DBSTATUS_CACHE_WRITE);
|
|
DefInt(SQLITE_DBSTATUS_DEFERRED_FKS);
|
|
DefInt(SQLITE_DBSTATUS_CACHE_USED_SHARED);
|
|
DefInt(SQLITE_DBSTATUS_CACHE_SPILL);
|
|
DefInt(SQLITE_DBSTATUS_MAX);
|
|
} _DefGroup;
|
|
|
|
DefGroup(encodings) {
|
|
/* Noting that the wasm binding only aims to support UTF-8. */
|
|
DefInt(SQLITE_UTF8);
|
|
DefInt(SQLITE_UTF16LE);
|
|
DefInt(SQLITE_UTF16BE);
|
|
DefInt(SQLITE_UTF16);
|
|
/*deprecated DefInt(SQLITE_ANY); */
|
|
DefInt(SQLITE_UTF16_ALIGNED);
|
|
} _DefGroup;
|
|
|
|
DefGroup(fcntl) {
|
|
DefInt(SQLITE_FCNTL_LOCKSTATE);
|
|
DefInt(SQLITE_FCNTL_GET_LOCKPROXYFILE);
|
|
DefInt(SQLITE_FCNTL_SET_LOCKPROXYFILE);
|
|
DefInt(SQLITE_FCNTL_LAST_ERRNO);
|
|
DefInt(SQLITE_FCNTL_SIZE_HINT);
|
|
DefInt(SQLITE_FCNTL_CHUNK_SIZE);
|
|
DefInt(SQLITE_FCNTL_FILE_POINTER);
|
|
DefInt(SQLITE_FCNTL_SYNC_OMITTED);
|
|
DefInt(SQLITE_FCNTL_WIN32_AV_RETRY);
|
|
DefInt(SQLITE_FCNTL_PERSIST_WAL);
|
|
DefInt(SQLITE_FCNTL_OVERWRITE);
|
|
DefInt(SQLITE_FCNTL_VFSNAME);
|
|
DefInt(SQLITE_FCNTL_POWERSAFE_OVERWRITE);
|
|
DefInt(SQLITE_FCNTL_PRAGMA);
|
|
DefInt(SQLITE_FCNTL_BUSYHANDLER);
|
|
DefInt(SQLITE_FCNTL_TEMPFILENAME);
|
|
DefInt(SQLITE_FCNTL_MMAP_SIZE);
|
|
DefInt(SQLITE_FCNTL_TRACE);
|
|
DefInt(SQLITE_FCNTL_HAS_MOVED);
|
|
DefInt(SQLITE_FCNTL_SYNC);
|
|
DefInt(SQLITE_FCNTL_COMMIT_PHASETWO);
|
|
DefInt(SQLITE_FCNTL_WIN32_SET_HANDLE);
|
|
DefInt(SQLITE_FCNTL_WAL_BLOCK);
|
|
DefInt(SQLITE_FCNTL_ZIPVFS);
|
|
DefInt(SQLITE_FCNTL_RBU);
|
|
DefInt(SQLITE_FCNTL_VFS_POINTER);
|
|
DefInt(SQLITE_FCNTL_JOURNAL_POINTER);
|
|
DefInt(SQLITE_FCNTL_WIN32_GET_HANDLE);
|
|
DefInt(SQLITE_FCNTL_PDB);
|
|
DefInt(SQLITE_FCNTL_BEGIN_ATOMIC_WRITE);
|
|
DefInt(SQLITE_FCNTL_COMMIT_ATOMIC_WRITE);
|
|
DefInt(SQLITE_FCNTL_ROLLBACK_ATOMIC_WRITE);
|
|
DefInt(SQLITE_FCNTL_LOCK_TIMEOUT);
|
|
DefInt(SQLITE_FCNTL_DATA_VERSION);
|
|
DefInt(SQLITE_FCNTL_SIZE_LIMIT);
|
|
DefInt(SQLITE_FCNTL_CKPT_DONE);
|
|
DefInt(SQLITE_FCNTL_RESERVE_BYTES);
|
|
DefInt(SQLITE_FCNTL_CKPT_START);
|
|
DefInt(SQLITE_FCNTL_EXTERNAL_READER);
|
|
DefInt(SQLITE_FCNTL_CKSM_FILE);
|
|
DefInt(SQLITE_FCNTL_RESET_CACHE);
|
|
} _DefGroup;
|
|
|
|
DefGroup(flock) {
|
|
DefInt(SQLITE_LOCK_NONE);
|
|
DefInt(SQLITE_LOCK_SHARED);
|
|
DefInt(SQLITE_LOCK_RESERVED);
|
|
DefInt(SQLITE_LOCK_PENDING);
|
|
DefInt(SQLITE_LOCK_EXCLUSIVE);
|
|
} _DefGroup;
|
|
|
|
DefGroup(ioCap) {
|
|
DefInt(SQLITE_IOCAP_ATOMIC);
|
|
DefInt(SQLITE_IOCAP_ATOMIC512);
|
|
DefInt(SQLITE_IOCAP_ATOMIC1K);
|
|
DefInt(SQLITE_IOCAP_ATOMIC2K);
|
|
DefInt(SQLITE_IOCAP_ATOMIC4K);
|
|
DefInt(SQLITE_IOCAP_ATOMIC8K);
|
|
DefInt(SQLITE_IOCAP_ATOMIC16K);
|
|
DefInt(SQLITE_IOCAP_ATOMIC32K);
|
|
DefInt(SQLITE_IOCAP_ATOMIC64K);
|
|
DefInt(SQLITE_IOCAP_SAFE_APPEND);
|
|
DefInt(SQLITE_IOCAP_SEQUENTIAL);
|
|
DefInt(SQLITE_IOCAP_UNDELETABLE_WHEN_OPEN);
|
|
DefInt(SQLITE_IOCAP_POWERSAFE_OVERWRITE);
|
|
DefInt(SQLITE_IOCAP_IMMUTABLE);
|
|
DefInt(SQLITE_IOCAP_BATCH_ATOMIC);
|
|
} _DefGroup;
|
|
|
|
DefGroup(limits) {
|
|
DefInt(SQLITE_MAX_ALLOCATION_SIZE);
|
|
DefInt(SQLITE_LIMIT_LENGTH);
|
|
DefInt(SQLITE_MAX_LENGTH);
|
|
DefInt(SQLITE_LIMIT_SQL_LENGTH);
|
|
DefInt(SQLITE_MAX_SQL_LENGTH);
|
|
DefInt(SQLITE_LIMIT_COLUMN);
|
|
DefInt(SQLITE_MAX_COLUMN);
|
|
DefInt(SQLITE_LIMIT_EXPR_DEPTH);
|
|
DefInt(SQLITE_MAX_EXPR_DEPTH);
|
|
DefInt(SQLITE_LIMIT_COMPOUND_SELECT);
|
|
DefInt(SQLITE_MAX_COMPOUND_SELECT);
|
|
DefInt(SQLITE_LIMIT_VDBE_OP);
|
|
DefInt(SQLITE_MAX_VDBE_OP);
|
|
DefInt(SQLITE_LIMIT_FUNCTION_ARG);
|
|
DefInt(SQLITE_MAX_FUNCTION_ARG);
|
|
DefInt(SQLITE_LIMIT_ATTACHED);
|
|
DefInt(SQLITE_MAX_ATTACHED);
|
|
DefInt(SQLITE_LIMIT_LIKE_PATTERN_LENGTH);
|
|
DefInt(SQLITE_MAX_LIKE_PATTERN_LENGTH);
|
|
DefInt(SQLITE_LIMIT_VARIABLE_NUMBER);
|
|
DefInt(SQLITE_MAX_VARIABLE_NUMBER);
|
|
DefInt(SQLITE_LIMIT_TRIGGER_DEPTH);
|
|
DefInt(SQLITE_MAX_TRIGGER_DEPTH);
|
|
DefInt(SQLITE_LIMIT_WORKER_THREADS);
|
|
DefInt(SQLITE_MAX_WORKER_THREADS);
|
|
} _DefGroup;
|
|
|
|
DefGroup(openFlags) {
|
|
/* Noting that not all of these will have any effect in
|
|
** WASM-space. */
|
|
DefInt(SQLITE_OPEN_READONLY);
|
|
DefInt(SQLITE_OPEN_READWRITE);
|
|
DefInt(SQLITE_OPEN_CREATE);
|
|
DefInt(SQLITE_OPEN_URI);
|
|
DefInt(SQLITE_OPEN_MEMORY);
|
|
DefInt(SQLITE_OPEN_NOMUTEX);
|
|
DefInt(SQLITE_OPEN_FULLMUTEX);
|
|
DefInt(SQLITE_OPEN_SHAREDCACHE);
|
|
DefInt(SQLITE_OPEN_PRIVATECACHE);
|
|
DefInt(SQLITE_OPEN_EXRESCODE);
|
|
DefInt(SQLITE_OPEN_NOFOLLOW);
|
|
/* OPEN flags for use with VFSes... */
|
|
DefInt(SQLITE_OPEN_MAIN_DB);
|
|
DefInt(SQLITE_OPEN_MAIN_JOURNAL);
|
|
DefInt(SQLITE_OPEN_TEMP_DB);
|
|
DefInt(SQLITE_OPEN_TEMP_JOURNAL);
|
|
DefInt(SQLITE_OPEN_TRANSIENT_DB);
|
|
DefInt(SQLITE_OPEN_SUBJOURNAL);
|
|
DefInt(SQLITE_OPEN_SUPER_JOURNAL);
|
|
DefInt(SQLITE_OPEN_WAL);
|
|
DefInt(SQLITE_OPEN_DELETEONCLOSE);
|
|
DefInt(SQLITE_OPEN_EXCLUSIVE);
|
|
} _DefGroup;
|
|
|
|
DefGroup(prepareFlags) {
|
|
DefInt(SQLITE_PREPARE_PERSISTENT);
|
|
DefInt(SQLITE_PREPARE_NORMALIZE);
|
|
DefInt(SQLITE_PREPARE_NO_VTAB);
|
|
} _DefGroup;
|
|
|
|
DefGroup(resultCodes) {
|
|
DefInt(SQLITE_OK);
|
|
DefInt(SQLITE_ERROR);
|
|
DefInt(SQLITE_INTERNAL);
|
|
DefInt(SQLITE_PERM);
|
|
DefInt(SQLITE_ABORT);
|
|
DefInt(SQLITE_BUSY);
|
|
DefInt(SQLITE_LOCKED);
|
|
DefInt(SQLITE_NOMEM);
|
|
DefInt(SQLITE_READONLY);
|
|
DefInt(SQLITE_INTERRUPT);
|
|
DefInt(SQLITE_IOERR);
|
|
DefInt(SQLITE_CORRUPT);
|
|
DefInt(SQLITE_NOTFOUND);
|
|
DefInt(SQLITE_FULL);
|
|
DefInt(SQLITE_CANTOPEN);
|
|
DefInt(SQLITE_PROTOCOL);
|
|
DefInt(SQLITE_EMPTY);
|
|
DefInt(SQLITE_SCHEMA);
|
|
DefInt(SQLITE_TOOBIG);
|
|
DefInt(SQLITE_CONSTRAINT);
|
|
DefInt(SQLITE_MISMATCH);
|
|
DefInt(SQLITE_MISUSE);
|
|
DefInt(SQLITE_NOLFS);
|
|
DefInt(SQLITE_AUTH);
|
|
DefInt(SQLITE_FORMAT);
|
|
DefInt(SQLITE_RANGE);
|
|
DefInt(SQLITE_NOTADB);
|
|
DefInt(SQLITE_NOTICE);
|
|
DefInt(SQLITE_WARNING);
|
|
DefInt(SQLITE_ROW);
|
|
DefInt(SQLITE_DONE);
|
|
// Extended Result Codes
|
|
DefInt(SQLITE_ERROR_MISSING_COLLSEQ);
|
|
DefInt(SQLITE_ERROR_RETRY);
|
|
DefInt(SQLITE_ERROR_SNAPSHOT);
|
|
DefInt(SQLITE_IOERR_READ);
|
|
DefInt(SQLITE_IOERR_SHORT_READ);
|
|
DefInt(SQLITE_IOERR_WRITE);
|
|
DefInt(SQLITE_IOERR_FSYNC);
|
|
DefInt(SQLITE_IOERR_DIR_FSYNC);
|
|
DefInt(SQLITE_IOERR_TRUNCATE);
|
|
DefInt(SQLITE_IOERR_FSTAT);
|
|
DefInt(SQLITE_IOERR_UNLOCK);
|
|
DefInt(SQLITE_IOERR_RDLOCK);
|
|
DefInt(SQLITE_IOERR_DELETE);
|
|
DefInt(SQLITE_IOERR_BLOCKED);
|
|
DefInt(SQLITE_IOERR_NOMEM);
|
|
DefInt(SQLITE_IOERR_ACCESS);
|
|
DefInt(SQLITE_IOERR_CHECKRESERVEDLOCK);
|
|
DefInt(SQLITE_IOERR_LOCK);
|
|
DefInt(SQLITE_IOERR_CLOSE);
|
|
DefInt(SQLITE_IOERR_DIR_CLOSE);
|
|
DefInt(SQLITE_IOERR_SHMOPEN);
|
|
DefInt(SQLITE_IOERR_SHMSIZE);
|
|
DefInt(SQLITE_IOERR_SHMLOCK);
|
|
DefInt(SQLITE_IOERR_SHMMAP);
|
|
DefInt(SQLITE_IOERR_SEEK);
|
|
DefInt(SQLITE_IOERR_DELETE_NOENT);
|
|
DefInt(SQLITE_IOERR_MMAP);
|
|
DefInt(SQLITE_IOERR_GETTEMPPATH);
|
|
DefInt(SQLITE_IOERR_CONVPATH);
|
|
DefInt(SQLITE_IOERR_VNODE);
|
|
DefInt(SQLITE_IOERR_AUTH);
|
|
DefInt(SQLITE_IOERR_BEGIN_ATOMIC);
|
|
DefInt(SQLITE_IOERR_COMMIT_ATOMIC);
|
|
DefInt(SQLITE_IOERR_ROLLBACK_ATOMIC);
|
|
DefInt(SQLITE_IOERR_DATA);
|
|
DefInt(SQLITE_IOERR_CORRUPTFS);
|
|
DefInt(SQLITE_LOCKED_SHAREDCACHE);
|
|
DefInt(SQLITE_LOCKED_VTAB);
|
|
DefInt(SQLITE_BUSY_RECOVERY);
|
|
DefInt(SQLITE_BUSY_SNAPSHOT);
|
|
DefInt(SQLITE_BUSY_TIMEOUT);
|
|
DefInt(SQLITE_CANTOPEN_NOTEMPDIR);
|
|
DefInt(SQLITE_CANTOPEN_ISDIR);
|
|
DefInt(SQLITE_CANTOPEN_FULLPATH);
|
|
DefInt(SQLITE_CANTOPEN_CONVPATH);
|
|
//DefInt(SQLITE_CANTOPEN_DIRTYWAL)/*docs say not used*/;
|
|
DefInt(SQLITE_CANTOPEN_SYMLINK);
|
|
DefInt(SQLITE_CORRUPT_VTAB);
|
|
DefInt(SQLITE_CORRUPT_SEQUENCE);
|
|
DefInt(SQLITE_CORRUPT_INDEX);
|
|
DefInt(SQLITE_READONLY_RECOVERY);
|
|
DefInt(SQLITE_READONLY_CANTLOCK);
|
|
DefInt(SQLITE_READONLY_ROLLBACK);
|
|
DefInt(SQLITE_READONLY_DBMOVED);
|
|
DefInt(SQLITE_READONLY_CANTINIT);
|
|
DefInt(SQLITE_READONLY_DIRECTORY);
|
|
DefInt(SQLITE_ABORT_ROLLBACK);
|
|
DefInt(SQLITE_CONSTRAINT_CHECK);
|
|
DefInt(SQLITE_CONSTRAINT_COMMITHOOK);
|
|
DefInt(SQLITE_CONSTRAINT_FOREIGNKEY);
|
|
DefInt(SQLITE_CONSTRAINT_FUNCTION);
|
|
DefInt(SQLITE_CONSTRAINT_NOTNULL);
|
|
DefInt(SQLITE_CONSTRAINT_PRIMARYKEY);
|
|
DefInt(SQLITE_CONSTRAINT_TRIGGER);
|
|
DefInt(SQLITE_CONSTRAINT_UNIQUE);
|
|
DefInt(SQLITE_CONSTRAINT_VTAB);
|
|
DefInt(SQLITE_CONSTRAINT_ROWID);
|
|
DefInt(SQLITE_CONSTRAINT_PINNED);
|
|
DefInt(SQLITE_CONSTRAINT_DATATYPE);
|
|
DefInt(SQLITE_NOTICE_RECOVER_WAL);
|
|
DefInt(SQLITE_NOTICE_RECOVER_ROLLBACK);
|
|
DefInt(SQLITE_WARNING_AUTOINDEX);
|
|
DefInt(SQLITE_AUTH_USER);
|
|
DefInt(SQLITE_OK_LOAD_PERMANENTLY);
|
|
//DefInt(SQLITE_OK_SYMLINK) /* internal use only */;
|
|
} _DefGroup;
|
|
|
|
DefGroup(serialize){
|
|
DefInt(SQLITE_SERIALIZE_NOCOPY);
|
|
DefInt(SQLITE_DESERIALIZE_FREEONCLOSE);
|
|
DefInt(SQLITE_DESERIALIZE_READONLY);
|
|
DefInt(SQLITE_DESERIALIZE_RESIZEABLE);
|
|
} _DefGroup;
|
|
|
|
DefGroup(session){
|
|
#ifdef SQLITE_SESSION_CONFIG_STRMSIZE
|
|
DefInt(SQLITE_SESSION_CONFIG_STRMSIZE);
|
|
DefInt(SQLITE_SESSION_OBJCONFIG_SIZE);
|
|
#endif
|
|
} _DefGroup;
|
|
|
|
DefGroup(sqlite3Status){
|
|
DefInt(SQLITE_STATUS_MEMORY_USED);
|
|
DefInt(SQLITE_STATUS_PAGECACHE_USED);
|
|
DefInt(SQLITE_STATUS_PAGECACHE_OVERFLOW);
|
|
//DefInt(SQLITE_STATUS_SCRATCH_USED) /* NOT USED */;
|
|
//DefInt(SQLITE_STATUS_SCRATCH_OVERFLOW) /* NOT USED */;
|
|
DefInt(SQLITE_STATUS_MALLOC_SIZE);
|
|
DefInt(SQLITE_STATUS_PARSER_STACK);
|
|
DefInt(SQLITE_STATUS_PAGECACHE_SIZE);
|
|
//DefInt(SQLITE_STATUS_SCRATCH_SIZE) /* NOT USED */;
|
|
DefInt(SQLITE_STATUS_MALLOC_COUNT);
|
|
} _DefGroup;
|
|
|
|
DefGroup(stmtStatus){
|
|
DefInt(SQLITE_STMTSTATUS_FULLSCAN_STEP);
|
|
DefInt(SQLITE_STMTSTATUS_SORT);
|
|
DefInt(SQLITE_STMTSTATUS_AUTOINDEX);
|
|
DefInt(SQLITE_STMTSTATUS_VM_STEP);
|
|
DefInt(SQLITE_STMTSTATUS_REPREPARE);
|
|
DefInt(SQLITE_STMTSTATUS_RUN);
|
|
DefInt(SQLITE_STMTSTATUS_FILTER_MISS);
|
|
DefInt(SQLITE_STMTSTATUS_FILTER_HIT);
|
|
DefInt(SQLITE_STMTSTATUS_MEMUSED);
|
|
} _DefGroup;
|
|
|
|
DefGroup(syncFlags) {
|
|
DefInt(SQLITE_SYNC_NORMAL);
|
|
DefInt(SQLITE_SYNC_FULL);
|
|
DefInt(SQLITE_SYNC_DATAONLY);
|
|
} _DefGroup;
|
|
|
|
DefGroup(trace) {
|
|
DefInt(SQLITE_TRACE_STMT);
|
|
DefInt(SQLITE_TRACE_PROFILE);
|
|
DefInt(SQLITE_TRACE_ROW);
|
|
DefInt(SQLITE_TRACE_CLOSE);
|
|
} _DefGroup;
|
|
|
|
DefGroup(txnState){
|
|
DefInt(SQLITE_TXN_NONE);
|
|
DefInt(SQLITE_TXN_READ);
|
|
DefInt(SQLITE_TXN_WRITE);
|
|
} _DefGroup;
|
|
|
|
DefGroup(udfFlags) {
|
|
DefInt(SQLITE_DETERMINISTIC);
|
|
DefInt(SQLITE_DIRECTONLY);
|
|
DefInt(SQLITE_INNOCUOUS);
|
|
DefInt(SQLITE_SUBTYPE);
|
|
DefInt(SQLITE_RESULT_SUBTYPE);
|
|
} _DefGroup;
|
|
|
|
DefGroup(version) {
|
|
DefInt(SQLITE_VERSION_NUMBER);
|
|
DefStr(SQLITE_VERSION);
|
|
DefStr(SQLITE_SOURCE_ID);
|
|
} _DefGroup;
|
|
|
|
DefGroup(vtab) {
|
|
#if !defined(SQLITE_OMIT_VIRTUALTABLE) && !defined(SQLITE_WASM_MINIMAL)
|
|
DefInt(SQLITE_INDEX_SCAN_UNIQUE);
|
|
DefInt(SQLITE_INDEX_CONSTRAINT_EQ);
|
|
DefInt(SQLITE_INDEX_CONSTRAINT_GT);
|
|
DefInt(SQLITE_INDEX_CONSTRAINT_LE);
|
|
DefInt(SQLITE_INDEX_CONSTRAINT_LT);
|
|
DefInt(SQLITE_INDEX_CONSTRAINT_GE);
|
|
DefInt(SQLITE_INDEX_CONSTRAINT_MATCH);
|
|
DefInt(SQLITE_INDEX_CONSTRAINT_LIKE);
|
|
DefInt(SQLITE_INDEX_CONSTRAINT_GLOB);
|
|
DefInt(SQLITE_INDEX_CONSTRAINT_REGEXP);
|
|
DefInt(SQLITE_INDEX_CONSTRAINT_NE);
|
|
DefInt(SQLITE_INDEX_CONSTRAINT_ISNOT);
|
|
DefInt(SQLITE_INDEX_CONSTRAINT_ISNOTNULL);
|
|
DefInt(SQLITE_INDEX_CONSTRAINT_ISNULL);
|
|
DefInt(SQLITE_INDEX_CONSTRAINT_IS);
|
|
DefInt(SQLITE_INDEX_CONSTRAINT_LIMIT);
|
|
DefInt(SQLITE_INDEX_CONSTRAINT_OFFSET);
|
|
DefInt(SQLITE_INDEX_CONSTRAINT_FUNCTION);
|
|
DefInt(SQLITE_VTAB_CONSTRAINT_SUPPORT);
|
|
DefInt(SQLITE_VTAB_INNOCUOUS);
|
|
DefInt(SQLITE_VTAB_DIRECTONLY);
|
|
DefInt(SQLITE_VTAB_USES_ALL_SCHEMAS);
|
|
DefInt(SQLITE_ROLLBACK);
|
|
//DefInt(SQLITE_IGNORE); // Also used by sqlite3_authorizer() callback
|
|
DefInt(SQLITE_FAIL);
|
|
//DefInt(SQLITE_ABORT); // Also an error code
|
|
DefInt(SQLITE_REPLACE);
|
|
#endif /*!SQLITE_OMIT_VIRTUALTABLE*/
|
|
} _DefGroup;
|
|
|
|
#undef DefGroup
|
|
#undef DefStr
|
|
#undef DefInt
|
|
#undef _DefGroup
|
|
|
|
/*
|
|
** Emit an array of "StructBinder" struct descripions, which look
|
|
** like:
|
|
**
|
|
** {
|
|
** "name": "MyStruct",
|
|
** "sizeof": 16,
|
|
** "members": {
|
|
** "member1": {"offset": 0,"sizeof": 4,"signature": "i"},
|
|
** "member2": {"offset": 4,"sizeof": 4,"signature": "p"},
|
|
** "member3": {"offset": 8,"sizeof": 8,"signature": "j"}
|
|
** }
|
|
** }
|
|
**
|
|
** Detailed documentation for those bits are in the docs for the
|
|
** Jaccwabyt JS-side component.
|
|
*/
|
|
|
|
/** Macros for emitting StructBinder description. */
|
|
#define StructBinder__(TYPE) \
|
|
n = 0; \
|
|
outf("%s{", (nStruct++ ? ", " : "")); \
|
|
out("\"name\": \"" # TYPE "\","); \
|
|
outf("\"sizeof\": %d", (int)sizeof(TYPE)); \
|
|
out(",\"members\": {");
|
|
#define StructBinder_(T) StructBinder__(T)
|
|
/** ^^^ indirection needed to expand CurrentStruct */
|
|
#define StructBinder StructBinder_(CurrentStruct)
|
|
#define _StructBinder CloseBrace(2)
|
|
#define M(MEMBER,SIG) \
|
|
outf("%s\"%s\": " \
|
|
"{\"offset\":%d,\"sizeof\": %d,\"signature\":\"%s\"}", \
|
|
(n++ ? ", " : ""), #MEMBER, \
|
|
(int)offsetof(CurrentStruct,MEMBER), \
|
|
(int)sizeof(((CurrentStruct*)0)->MEMBER), \
|
|
SIG)
|
|
|
|
nStruct = 0;
|
|
out(", \"structs\": ["); {
|
|
|
|
#define CurrentStruct sqlite3_vfs
|
|
StructBinder {
|
|
M(iVersion, "i");
|
|
M(szOsFile, "i");
|
|
M(mxPathname, "i");
|
|
M(pNext, "p");
|
|
M(zName, "s");
|
|
M(pAppData, "p");
|
|
M(xOpen, "i(pppip)");
|
|
M(xDelete, "i(ppi)");
|
|
M(xAccess, "i(ppip)");
|
|
M(xFullPathname, "i(ppip)");
|
|
M(xDlOpen, "p(pp)");
|
|
M(xDlError, "p(pip)");
|
|
M(xDlSym, "p()");
|
|
M(xDlClose, "v(pp)");
|
|
M(xRandomness, "i(pip)");
|
|
M(xSleep, "i(pi)");
|
|
M(xCurrentTime, "i(pp)");
|
|
M(xGetLastError, "i(pip)");
|
|
M(xCurrentTimeInt64, "i(pp)");
|
|
M(xSetSystemCall, "i(ppp)");
|
|
M(xGetSystemCall, "p(pp)");
|
|
M(xNextSystemCall, "p(pp)");
|
|
} _StructBinder;
|
|
#undef CurrentStruct
|
|
|
|
#define CurrentStruct sqlite3_io_methods
|
|
StructBinder {
|
|
M(iVersion, "i");
|
|
M(xClose, "i(p)");
|
|
M(xRead, "i(ppij)");
|
|
M(xWrite, "i(ppij)");
|
|
M(xTruncate, "i(pj)");
|
|
M(xSync, "i(pi)");
|
|
M(xFileSize, "i(pp)");
|
|
M(xLock, "i(pi)");
|
|
M(xUnlock, "i(pi)");
|
|
M(xCheckReservedLock, "i(pp)");
|
|
M(xFileControl, "i(pip)");
|
|
M(xSectorSize, "i(p)");
|
|
M(xDeviceCharacteristics, "i(p)");
|
|
M(xShmMap, "i(piiip)");
|
|
M(xShmLock, "i(piii)");
|
|
M(xShmBarrier, "v(p)");
|
|
M(xShmUnmap, "i(pi)");
|
|
M(xFetch, "i(pjip)");
|
|
M(xUnfetch, "i(pjp)");
|
|
} _StructBinder;
|
|
#undef CurrentStruct
|
|
|
|
#define CurrentStruct sqlite3_file
|
|
StructBinder {
|
|
M(pMethods, "p");
|
|
} _StructBinder;
|
|
#undef CurrentStruct
|
|
|
|
#define CurrentStruct sqlite3_kvvfs_methods
|
|
StructBinder {
|
|
M(xRead, "i(sspi)");
|
|
M(xWrite, "i(sss)");
|
|
M(xDelete, "i(ss)");
|
|
M(nKeySize, "i");
|
|
} _StructBinder;
|
|
#undef CurrentStruct
|
|
|
|
|
|
#define CurrentStruct sqlite3_vtab
|
|
StructBinder {
|
|
M(pModule, "p");
|
|
M(nRef, "i");
|
|
M(zErrMsg, "p");
|
|
} _StructBinder;
|
|
#undef CurrentStruct
|
|
|
|
#define CurrentStruct sqlite3_vtab_cursor
|
|
StructBinder {
|
|
M(pVtab, "p");
|
|
} _StructBinder;
|
|
#undef CurrentStruct
|
|
|
|
#define CurrentStruct sqlite3_module
|
|
StructBinder {
|
|
M(iVersion, "i");
|
|
M(xCreate, "i(ppippp)");
|
|
M(xConnect, "i(ppippp)");
|
|
M(xBestIndex, "i(pp)");
|
|
M(xDisconnect, "i(p)");
|
|
M(xDestroy, "i(p)");
|
|
M(xOpen, "i(pp)");
|
|
M(xClose, "i(p)");
|
|
M(xFilter, "i(pisip)");
|
|
M(xNext, "i(p)");
|
|
M(xEof, "i(p)");
|
|
M(xColumn, "i(ppi)");
|
|
M(xRowid, "i(pp)");
|
|
M(xUpdate, "i(pipp)");
|
|
M(xBegin, "i(p)");
|
|
M(xSync, "i(p)");
|
|
M(xCommit, "i(p)");
|
|
M(xRollback, "i(p)");
|
|
M(xFindFunction, "i(pispp)");
|
|
M(xRename, "i(ps)");
|
|
// ^^^ v1. v2+ follows...
|
|
M(xSavepoint, "i(pi)");
|
|
M(xRelease, "i(pi)");
|
|
M(xRollbackTo, "i(pi)");
|
|
// ^^^ v2. v3+ follows...
|
|
M(xShadowName, "i(s)");
|
|
} _StructBinder;
|
|
#undef CurrentStruct
|
|
|
|
#if !defined(SQLITE_OMIT_VIRTUALTABLE) && !defined(SQLITE_WASM_MINIMAL)
|
|
/**
|
|
** Workaround: in order to map the various inner structs from
|
|
** sqlite3_index_info, we have to uplift those into constructs we
|
|
** can access by type name. These structs _must_ match their
|
|
** in-sqlite3_index_info counterparts byte for byte.
|
|
*/
|
|
typedef struct {
|
|
int iColumn;
|
|
unsigned char op;
|
|
unsigned char usable;
|
|
int iTermOffset;
|
|
} sqlite3_index_constraint;
|
|
typedef struct {
|
|
int iColumn;
|
|
unsigned char desc;
|
|
} sqlite3_index_orderby;
|
|
typedef struct {
|
|
int argvIndex;
|
|
unsigned char omit;
|
|
} sqlite3_index_constraint_usage;
|
|
{ /* Validate that the above struct sizeof()s match
|
|
** expectations. We could improve upon this by
|
|
** checking the offsetof() for each member. */
|
|
const sqlite3_index_info siiCheck;
|
|
#define IndexSzCheck(T,M) \
|
|
(sizeof(T) == sizeof(*siiCheck.M))
|
|
if(!IndexSzCheck(sqlite3_index_constraint,aConstraint)
|
|
|| !IndexSzCheck(sqlite3_index_orderby,aOrderBy)
|
|
|| !IndexSzCheck(sqlite3_index_constraint_usage,aConstraintUsage)){
|
|
assert(!"sizeof mismatch in sqlite3_index_... struct(s)");
|
|
return 0;
|
|
}
|
|
#undef IndexSzCheck
|
|
}
|
|
|
|
#define CurrentStruct sqlite3_index_constraint
|
|
StructBinder {
|
|
M(iColumn, "i");
|
|
M(op, "C");
|
|
M(usable, "C");
|
|
M(iTermOffset, "i");
|
|
} _StructBinder;
|
|
#undef CurrentStruct
|
|
|
|
#define CurrentStruct sqlite3_index_orderby
|
|
StructBinder {
|
|
M(iColumn, "i");
|
|
M(desc, "C");
|
|
} _StructBinder;
|
|
#undef CurrentStruct
|
|
|
|
#define CurrentStruct sqlite3_index_constraint_usage
|
|
StructBinder {
|
|
M(argvIndex, "i");
|
|
M(omit, "C");
|
|
} _StructBinder;
|
|
#undef CurrentStruct
|
|
|
|
#define CurrentStruct sqlite3_index_info
|
|
StructBinder {
|
|
M(nConstraint, "i");
|
|
M(aConstraint, "p");
|
|
M(nOrderBy, "i");
|
|
M(aOrderBy, "p");
|
|
M(aConstraintUsage, "p");
|
|
M(idxNum, "i");
|
|
M(idxStr, "p");
|
|
M(needToFreeIdxStr, "i");
|
|
M(orderByConsumed, "i");
|
|
M(estimatedCost, "d");
|
|
M(estimatedRows, "j");
|
|
M(idxFlags, "i");
|
|
M(colUsed, "j");
|
|
} _StructBinder;
|
|
#undef CurrentStruct
|
|
|
|
#endif /*!SQLITE_OMIT_VIRTUALTABLE*/
|
|
|
|
#if SQLITE_WASM_TESTS
|
|
#define CurrentStruct WasmTestStruct
|
|
StructBinder {
|
|
M(v4, "i");
|
|
M(cstr, "s");
|
|
M(ppV, "p");
|
|
M(v8, "j");
|
|
M(xFunc, "v(p)");
|
|
} _StructBinder;
|
|
#undef CurrentStruct
|
|
#endif
|
|
|
|
} out( "]"/*structs*/);
|
|
|
|
out("}"/*top-level object*/);
|
|
*zPos = 0;
|
|
aBuffer[0] = '{'/*end of the race-condition workaround*/;
|
|
return aBuffer;
|
|
#undef StructBinder
|
|
#undef StructBinder_
|
|
#undef StructBinder__
|
|
#undef M
|
|
#undef _StructBinder
|
|
#undef CloseBrace
|
|
#undef out
|
|
#undef outf
|
|
#undef lenCheck
|
|
}
|
|
|
|
/*
|
|
** This function is NOT part of the sqlite3 public API. It is strictly
|
|
** for use by the sqlite project's own JS/WASM bindings.
|
|
**
|
|
** This function invokes the xDelete method of the given VFS (or the
|
|
** default VFS if pVfs is NULL), passing on the given filename. If
|
|
** zName is NULL, no default VFS is found, or it has no xDelete
|
|
** method, SQLITE_MISUSE is returned, else the result of the xDelete()
|
|
** call is returned.
|
|
*/
|
|
SQLITE_WASM_EXPORT
|
|
int sqlite3__wasm_vfs_unlink(sqlite3_vfs *pVfs, const char *zName){
|
|
int rc = SQLITE_MISUSE /* ??? */;
|
|
if( 0==pVfs && 0!=zName ) pVfs = sqlite3_vfs_find(0);
|
|
if( zName && pVfs && pVfs->xDelete ){
|
|
rc = pVfs->xDelete(pVfs, zName, 1);
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
/*
|
|
** This function is NOT part of the sqlite3 public API. It is strictly
|
|
** for use by the sqlite project's own JS/WASM bindings.
|
|
**
|
|
** Returns a pointer to the given DB's VFS for the given DB name,
|
|
** defaulting to "main" if zDbName is 0. Returns 0 if no db with the
|
|
** given name is open.
|
|
*/
|
|
SQLITE_WASM_EXPORT
|
|
sqlite3_vfs * sqlite3__wasm_db_vfs(sqlite3 *pDb, const char *zDbName){
|
|
sqlite3_vfs * pVfs = 0;
|
|
sqlite3_file_control(pDb, zDbName ? zDbName : "main",
|
|
SQLITE_FCNTL_VFS_POINTER, &pVfs);
|
|
return pVfs;
|
|
}
|
|
|
|
/*
|
|
** This function is NOT part of the sqlite3 public API. It is strictly
|
|
** for use by the sqlite project's own JS/WASM bindings.
|
|
**
|
|
** This function resets the given db pointer's database as described at
|
|
**
|
|
** https://sqlite.org/c3ref/c_dbconfig_defensive.html#sqlitedbconfigresetdatabase
|
|
**
|
|
** But beware: virtual tables destroyed that way do not have their
|
|
** xDestroy() called, so will leak if they require that function for
|
|
** proper cleanup.
|
|
**
|
|
** Returns 0 on success, an SQLITE_xxx code on error. Returns
|
|
** SQLITE_MISUSE if pDb is NULL.
|
|
*/
|
|
SQLITE_WASM_EXPORT
|
|
int sqlite3__wasm_db_reset(sqlite3 *pDb){
|
|
int rc = SQLITE_MISUSE;
|
|
if( pDb ){
|
|
sqlite3_table_column_metadata(pDb, "main", 0, 0, 0, 0, 0, 0, 0);
|
|
rc = sqlite3_db_config(pDb, SQLITE_DBCONFIG_RESET_DATABASE, 1, 0);
|
|
if( 0==rc ){
|
|
rc = sqlite3_exec(pDb, "VACUUM", 0, 0, 0);
|
|
sqlite3_db_config(pDb, SQLITE_DBCONFIG_RESET_DATABASE, 0, 0);
|
|
}
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
/*
|
|
** This function is NOT part of the sqlite3 public API. It is strictly
|
|
** for use by the sqlite project's own JS/WASM bindings.
|
|
**
|
|
** Uses the given database's VFS xRead to stream the db file's
|
|
** contents out to the given callback. The callback gets a single
|
|
** chunk of size n (its 2nd argument) on each call and must return 0
|
|
** on success, non-0 on error. This function returns 0 on success,
|
|
** SQLITE_NOTFOUND if no db is open, or propagates any other non-0
|
|
** code from the callback. Note that this is not thread-friendly: it
|
|
** expects that it will be the only thread reading the db file and
|
|
** takes no measures to ensure that is the case.
|
|
**
|
|
** This implementation appears to work fine, but
|
|
** sqlite3__wasm_db_serialize() is arguably the better way to achieve
|
|
** this.
|
|
*/
|
|
SQLITE_WASM_EXPORT
|
|
int sqlite3__wasm_db_export_chunked( sqlite3* pDb,
|
|
int (*xCallback)(unsigned const char *zOut, int n) ){
|
|
sqlite3_int64 nSize = 0;
|
|
sqlite3_int64 nPos = 0;
|
|
sqlite3_file * pFile = 0;
|
|
unsigned char buf[1024 * 8];
|
|
int nBuf = (int)sizeof(buf);
|
|
int rc = pDb
|
|
? sqlite3_file_control(pDb, "main",
|
|
SQLITE_FCNTL_FILE_POINTER, &pFile)
|
|
: SQLITE_NOTFOUND;
|
|
if( rc ) return rc;
|
|
rc = pFile->pMethods->xFileSize(pFile, &nSize);
|
|
if( rc ) return rc;
|
|
if(nSize % nBuf){
|
|
/* DB size is not an even multiple of the buffer size. Reduce
|
|
** buffer size so that we do not unduly inflate the db size
|
|
** with zero-padding when exporting. */
|
|
if(0 == nSize % 4096) nBuf = 4096;
|
|
else if(0 == nSize % 2048) nBuf = 2048;
|
|
else if(0 == nSize % 1024) nBuf = 1024;
|
|
else nBuf = 512;
|
|
}
|
|
for( ; 0==rc && nPos<nSize; nPos += nBuf ){
|
|
rc = pFile->pMethods->xRead(pFile, buf, nBuf, nPos);
|
|
if( SQLITE_IOERR_SHORT_READ == rc ){
|
|
rc = (nPos + nBuf) < nSize ? rc : 0/*assume EOF*/;
|
|
}
|
|
if( 0==rc ) rc = xCallback(buf, nBuf);
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
/*
|
|
** This function is NOT part of the sqlite3 public API. It is strictly
|
|
** for use by the sqlite project's own JS/WASM bindings.
|
|
**
|
|
** A proxy for sqlite3_serialize() which serializes the schema zSchema
|
|
** of pDb, placing the serialized output in pOut and nOut. nOut may be
|
|
** NULL. If zSchema is NULL then "main" is assumed. If pDb or pOut are
|
|
** NULL then SQLITE_MISUSE is returned. If allocation of the
|
|
** serialized copy fails, SQLITE_NOMEM is returned. On success, 0 is
|
|
** returned and `*pOut` will contain a pointer to the memory unless
|
|
** mFlags includes SQLITE_SERIALIZE_NOCOPY and the database has no
|
|
** contiguous memory representation, in which case `*pOut` will be
|
|
** NULL but 0 will be returned.
|
|
**
|
|
** If `*pOut` is not NULL, the caller is responsible for passing it to
|
|
** sqlite3_free() to free it.
|
|
*/
|
|
SQLITE_WASM_EXPORT
|
|
int sqlite3__wasm_db_serialize( sqlite3 *pDb, const char *zSchema,
|
|
unsigned char **pOut,
|
|
sqlite3_int64 *nOut, unsigned int mFlags ){
|
|
unsigned char * z;
|
|
if( !pDb || !pOut ) return SQLITE_MISUSE;
|
|
if( nOut ) *nOut = 0;
|
|
z = sqlite3_serialize(pDb, zSchema ? zSchema : "main", nOut, mFlags);
|
|
if( z || (SQLITE_SERIALIZE_NOCOPY & mFlags) ){
|
|
*pOut = z;
|
|
return 0;
|
|
}else{
|
|
return SQLITE_NOMEM;
|
|
}
|
|
}
|
|
|
|
/*
|
|
** This function is NOT part of the sqlite3 public API. It is strictly
|
|
** for use by the sqlite project's own JS/WASM bindings.
|
|
**
|
|
** ACHTUNG: it was discovered on 2023-08-11 that, with SQLITE_DEBUG,
|
|
** this function's out-of-scope use of the sqlite3_vfs/file/io_methods
|
|
** APIs leads to triggering of assertions in the core library. Its use
|
|
** is now deprecated and VFS-specific APIs for importing files need to
|
|
** be found to replace it. sqlite3__wasm_posix_create_file() is
|
|
** suitable for the "unix" family of VFSes.
|
|
**
|
|
** Creates a new file using the I/O API of the given VFS, containing
|
|
** the given number of bytes of the given data. If the file exists, it
|
|
** is truncated to the given length and populated with the given
|
|
** data.
|
|
**
|
|
** This function exists so that we can implement the equivalent of
|
|
** Emscripten's FS.createDataFile() in a VFS-agnostic way. This
|
|
** functionality is intended for use in uploading database files.
|
|
**
|
|
** Not all VFSes support this functionality, e.g. the "kvvfs" does
|
|
** not.
|
|
**
|
|
** If pVfs is NULL, sqlite3_vfs_find(0) is used.
|
|
**
|
|
** If zFile is NULL, pVfs is NULL (and sqlite3_vfs_find(0) returns
|
|
** NULL), or nData is negative, SQLITE_MISUSE are returned.
|
|
**
|
|
** On success, it creates a new file with the given name, populated
|
|
** with the fist nData bytes of pData. If pData is NULL, the file is
|
|
** created and/or truncated to nData bytes.
|
|
**
|
|
** Whether or not directory components of zFilename are created
|
|
** automatically or not is unspecified: that detail is left to the
|
|
** VFS. The "opfs" VFS, for example, creates them.
|
|
**
|
|
** If an error happens while populating or truncating the file, the
|
|
** target file will be deleted (if needed) if this function created
|
|
** it. If this function did not create it, it is not deleted but may
|
|
** be left in an undefined state.
|
|
**
|
|
** Returns 0 on success. On error, it returns a code described above
|
|
** or propagates a code from one of the I/O methods.
|
|
**
|
|
** Design note: nData is an integer, instead of int64, for WASM
|
|
** portability, so that the API can still work in builds where BigInt
|
|
** support is disabled or unavailable.
|
|
*/
|
|
SQLITE_WASM_EXPORT
|
|
int sqlite3__wasm_vfs_create_file( sqlite3_vfs *pVfs,
|
|
const char *zFilename,
|
|
const unsigned char * pData,
|
|
int nData ){
|
|
int rc;
|
|
sqlite3_file *pFile = 0;
|
|
sqlite3_io_methods const *pIo;
|
|
const int openFlags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE
|
|
#if 0 && defined(SQLITE_DEBUG)
|
|
| SQLITE_OPEN_MAIN_JOURNAL
|
|
/* ^^^^ This is for testing a horrible workaround to avoid
|
|
triggering a specific assert() in os_unix.c:unixOpen(). Please
|
|
do not enable this in real builds. */
|
|
#endif
|
|
;
|
|
int flagsOut = 0;
|
|
int fileExisted = 0;
|
|
int doUnlock = 0;
|
|
const unsigned char *pPos = pData;
|
|
const int blockSize = 512
|
|
/* Because we are using pFile->pMethods->xWrite() for writing, and
|
|
** it may have a buffer limit related to sqlite3's pager size, we
|
|
** conservatively write in 512-byte blocks (smallest page
|
|
** size). */;
|
|
//fprintf(stderr, "pVfs=%p, zFilename=%s, nData=%d\n", pVfs, zFilename, nData);
|
|
if( !pVfs ) pVfs = sqlite3_vfs_find(0);
|
|
if( !pVfs || !zFilename || nData<0 ) return SQLITE_MISUSE;
|
|
pVfs->xAccess(pVfs, zFilename, SQLITE_ACCESS_EXISTS, &fileExisted);
|
|
rc = sqlite3OsOpenMalloc(pVfs, zFilename, &pFile, openFlags, &flagsOut);
|
|
#if 0
|
|
# define RC fprintf(stderr,"create_file(%s,%s) @%d rc=%d\n", \
|
|
pVfs->zName, zFilename, __LINE__, rc);
|
|
#else
|
|
# define RC
|
|
#endif
|
|
RC;
|
|
if(rc) return rc;
|
|
pIo = pFile->pMethods;
|
|
if( pIo->xLock ) {
|
|
/* We need xLock() in order to accommodate the OPFS VFS, as it
|
|
** obtains a writeable handle via the lock operation and releases
|
|
** it in xUnlock(). If we don't do those here, we have to add code
|
|
** to the VFS to account check whether it was locked before
|
|
** xFileSize(), xTruncate(), and the like, and release the lock
|
|
** only if it was unlocked when the op was started. */
|
|
rc = pIo->xLock(pFile, SQLITE_LOCK_EXCLUSIVE);
|
|
RC;
|
|
doUnlock = 0==rc;
|
|
}
|
|
if( 0==rc ){
|
|
rc = pIo->xTruncate(pFile, nData);
|
|
RC;
|
|
}
|
|
if( 0==rc && 0!=pData && nData>0 ){
|
|
while( 0==rc && nData>0 ){
|
|
const int n = nData>=blockSize ? blockSize : nData;
|
|
rc = pIo->xWrite(pFile, pPos, n, (sqlite3_int64)(pPos - pData));
|
|
RC;
|
|
nData -= n;
|
|
pPos += n;
|
|
}
|
|
if( 0==rc && nData>0 ){
|
|
assert( nData<blockSize );
|
|
rc = pIo->xWrite(pFile, pPos, nData,
|
|
(sqlite3_int64)(pPos - pData));
|
|
RC;
|
|
}
|
|
}
|
|
if( pIo->xUnlock && doUnlock!=0 ){
|
|
pIo->xUnlock(pFile, SQLITE_LOCK_NONE);
|
|
}
|
|
pIo->xClose(pFile);
|
|
if( rc!=0 && 0==fileExisted ){
|
|
pVfs->xDelete(pVfs, zFilename, 1);
|
|
}
|
|
RC;
|
|
#undef RC
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
** This function is NOT part of the sqlite3 public API. It is strictly
|
|
** for use by the sqlite project's own JS/WASM bindings.
|
|
**
|
|
** Creates or overwrites a file using the POSIX file API,
|
|
** i.e. Emscripten's virtual filesystem. Creates or truncates
|
|
** zFilename, appends pData bytes to it, and returns 0 on success or
|
|
** SQLITE_IOERR on error.
|
|
*/
|
|
SQLITE_WASM_EXPORT
|
|
int sqlite3__wasm_posix_create_file( const char *zFilename,
|
|
const unsigned char * pData,
|
|
int nData ){
|
|
int rc;
|
|
FILE * pFile = 0;
|
|
int fileExisted = 0;
|
|
size_t nWrote = 1;
|
|
|
|
if( !zFilename || nData<0 || (pData==0 && nData>0) ) return SQLITE_MISUSE;
|
|
pFile = fopen(zFilename, "w");
|
|
if( 0==pFile ) return SQLITE_IOERR;
|
|
if( nData>0 ){
|
|
nWrote = fwrite(pData, (size_t)nData, 1, pFile);
|
|
}
|
|
fclose(pFile);
|
|
return 1==nWrote ? 0 : SQLITE_IOERR;
|
|
}
|
|
|
|
/*
|
|
** This function is NOT part of the sqlite3 public API. It is strictly
|
|
** for use by the sqlite project's own JS/WASM bindings.
|
|
**
|
|
** Allocates sqlite3KvvfsMethods.nKeySize bytes from
|
|
** sqlite3__wasm_pstack_alloc() and returns 0 if that allocation fails,
|
|
** else it passes that string to kvstorageMakeKey() and returns a
|
|
** NUL-terminated pointer to that string. It is up to the caller to
|
|
** use sqlite3__wasm_pstack_restore() to free the returned pointer.
|
|
*/
|
|
SQLITE_WASM_EXPORT
|
|
char * sqlite3__wasm_kvvfsMakeKeyOnPstack(const char *zClass,
|
|
const char *zKeyIn){
|
|
assert(sqlite3KvvfsMethods.nKeySize>24);
|
|
char *zKeyOut =
|
|
(char *)sqlite3__wasm_pstack_alloc(sqlite3KvvfsMethods.nKeySize);
|
|
if(zKeyOut){
|
|
kvstorageMakeKey(zClass, zKeyIn, zKeyOut);
|
|
}
|
|
return zKeyOut;
|
|
}
|
|
|
|
/*
|
|
** This function is NOT part of the sqlite3 public API. It is strictly
|
|
** for use by the sqlite project's own JS/WASM bindings.
|
|
**
|
|
** Returns the pointer to the singleton object which holds the kvvfs
|
|
** I/O methods and associated state.
|
|
*/
|
|
SQLITE_WASM_EXPORT
|
|
sqlite3_kvvfs_methods * sqlite3__wasm_kvvfs_methods(void){
|
|
return &sqlite3KvvfsMethods;
|
|
}
|
|
|
|
#if !defined(SQLITE_OMIT_VIRTUALTABLE) && !defined(SQLITE_WASM_MINIMAL)
|
|
/*
|
|
** This function is NOT part of the sqlite3 public API. It is strictly
|
|
** for use by the sqlite project's own JS/WASM bindings.
|
|
**
|
|
** This is a proxy for the variadic sqlite3_vtab_config() which passes
|
|
** its argument on, or not, to sqlite3_vtab_config(), depending on the
|
|
** value of its 2nd argument. Returns the result of
|
|
** sqlite3_vtab_config(), or SQLITE_MISUSE if the 2nd arg is not a
|
|
** valid value.
|
|
*/
|
|
SQLITE_WASM_EXPORT
|
|
int sqlite3__wasm_vtab_config(sqlite3 *pDb, int op, int arg){
|
|
switch(op){
|
|
case SQLITE_VTAB_DIRECTONLY:
|
|
case SQLITE_VTAB_INNOCUOUS:
|
|
return sqlite3_vtab_config(pDb, op);
|
|
case SQLITE_VTAB_CONSTRAINT_SUPPORT:
|
|
return sqlite3_vtab_config(pDb, op, arg);
|
|
default:
|
|
return SQLITE_MISUSE;
|
|
}
|
|
}
|
|
#endif /*!SQLITE_OMIT_VIRTUALTABLE*/
|
|
|
|
/*
|
|
** This function is NOT part of the sqlite3 public API. It is strictly
|
|
** for use by the sqlite project's own JS/WASM bindings.
|
|
**
|
|
** Wrapper for the variants of sqlite3_db_config() which take
|
|
** (int,int*) variadic args.
|
|
*/
|
|
SQLITE_WASM_EXPORT
|
|
int sqlite3__wasm_db_config_ip(sqlite3 *pDb, int op, int arg1, int* pArg2){
|
|
switch(op){
|
|
case SQLITE_DBCONFIG_ENABLE_FKEY:
|
|
case SQLITE_DBCONFIG_ENABLE_TRIGGER:
|
|
case SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER:
|
|
case SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION:
|
|
case SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE:
|
|
case SQLITE_DBCONFIG_ENABLE_QPSG:
|
|
case SQLITE_DBCONFIG_TRIGGER_EQP:
|
|
case SQLITE_DBCONFIG_RESET_DATABASE:
|
|
case SQLITE_DBCONFIG_DEFENSIVE:
|
|
case SQLITE_DBCONFIG_WRITABLE_SCHEMA:
|
|
case SQLITE_DBCONFIG_LEGACY_ALTER_TABLE:
|
|
case SQLITE_DBCONFIG_DQS_DML:
|
|
case SQLITE_DBCONFIG_DQS_DDL:
|
|
case SQLITE_DBCONFIG_ENABLE_VIEW:
|
|
case SQLITE_DBCONFIG_LEGACY_FILE_FORMAT:
|
|
case SQLITE_DBCONFIG_TRUSTED_SCHEMA:
|
|
case SQLITE_DBCONFIG_STMT_SCANSTATUS:
|
|
case SQLITE_DBCONFIG_REVERSE_SCANORDER:
|
|
return sqlite3_db_config(pDb, op, arg1, pArg2);
|
|
default: return SQLITE_MISUSE;
|
|
}
|
|
}
|
|
|
|
/*
|
|
** This function is NOT part of the sqlite3 public API. It is strictly
|
|
** for use by the sqlite project's own JS/WASM bindings.
|
|
**
|
|
** Wrapper for the variants of sqlite3_db_config() which take
|
|
** (void*,int,int) variadic args.
|
|
*/
|
|
SQLITE_WASM_EXPORT
|
|
int sqlite3__wasm_db_config_pii(sqlite3 *pDb, int op, void * pArg1, int arg2, int arg3){
|
|
switch(op){
|
|
case SQLITE_DBCONFIG_LOOKASIDE:
|
|
return sqlite3_db_config(pDb, op, pArg1, arg2, arg3);
|
|
default: return SQLITE_MISUSE;
|
|
}
|
|
}
|
|
|
|
/*
|
|
** This function is NOT part of the sqlite3 public API. It is strictly
|
|
** for use by the sqlite project's own JS/WASM bindings.
|
|
**
|
|
** Wrapper for the variants of sqlite3_db_config() which take
|
|
** (const char *) variadic args.
|
|
*/
|
|
SQLITE_WASM_EXPORT
|
|
int sqlite3__wasm_db_config_s(sqlite3 *pDb, int op, const char *zArg){
|
|
switch(op){
|
|
case SQLITE_DBCONFIG_MAINDBNAME:
|
|
return sqlite3_db_config(pDb, op, zArg);
|
|
default: return SQLITE_MISUSE;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
** This function is NOT part of the sqlite3 public API. It is strictly
|
|
** for use by the sqlite project's own JS/WASM bindings.
|
|
**
|
|
** Binding for combinations of sqlite3_config() arguments which take
|
|
** a single integer argument.
|
|
*/
|
|
SQLITE_WASM_EXPORT
|
|
int sqlite3__wasm_config_i(int op, int arg){
|
|
return sqlite3_config(op, arg);
|
|
}
|
|
|
|
/*
|
|
** This function is NOT part of the sqlite3 public API. It is strictly
|
|
** for use by the sqlite project's own JS/WASM bindings.
|
|
**
|
|
** Binding for combinations of sqlite3_config() arguments which take
|
|
** two int arguments.
|
|
*/
|
|
SQLITE_WASM_EXPORT
|
|
int sqlite3__wasm_config_ii(int op, int arg1, int arg2){
|
|
return sqlite3_config(op, arg1, arg2);
|
|
}
|
|
|
|
/*
|
|
** This function is NOT part of the sqlite3 public API. It is strictly
|
|
** for use by the sqlite project's own JS/WASM bindings.
|
|
**
|
|
** Binding for combinations of sqlite3_config() arguments which take
|
|
** a single i64 argument.
|
|
*/
|
|
SQLITE_WASM_EXPORT
|
|
int sqlite3__wasm_config_j(int op, sqlite3_int64 arg){
|
|
return sqlite3_config(op, arg);
|
|
}
|
|
|
|
/*
|
|
** This function is NOT part of the sqlite3 public API. It is strictly
|
|
** for use by the sqlite project's own JS/WASM bindings.
|
|
**
|
|
** If z is not NULL, returns the result of passing z to
|
|
** sqlite3_mprintf()'s %Q modifier (if addQuotes is true) or %q (if
|
|
** addQuotes is 0). Returns NULL if z is NULL or on OOM.
|
|
*/
|
|
SQLITE_WASM_EXPORT
|
|
char * sqlite3__wasm_qfmt_token(char *z, int addQuotes){
|
|
char * rc = 0;
|
|
if( z ){
|
|
rc = addQuotes
|
|
? sqlite3_mprintf("%Q", z)
|
|
: sqlite3_mprintf("%q", z);
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
#if defined(__EMSCRIPTEN__) && defined(SQLITE_ENABLE_WASMFS)
|
|
#include <emscripten/wasmfs.h>
|
|
|
|
/*
|
|
** This function is NOT part of the sqlite3 public API. It is strictly
|
|
** for use by the sqlite project's own JS/WASM bindings, specifically
|
|
** only when building with Emscripten's WASMFS support.
|
|
**
|
|
** This function should only be called if the JS side detects the
|
|
** existence of the Origin-Private FileSystem (OPFS) APIs in the
|
|
** client. The first time it is called, this function instantiates a
|
|
** WASMFS backend impl for OPFS. On success, subsequent calls are
|
|
** no-ops.
|
|
**
|
|
** This function may be passed a "mount point" name, which must have a
|
|
** leading "/" and is currently restricted to a single path component,
|
|
** e.g. "/foo" is legal but "/foo/" and "/foo/bar" are not. If it is
|
|
** NULL or empty, it defaults to "/opfs".
|
|
**
|
|
** Returns 0 on success, SQLITE_NOMEM if instantiation of the backend
|
|
** object fails, SQLITE_IOERR if mkdir() of the zMountPoint dir in
|
|
** the virtual FS fails. In builds compiled without SQLITE_ENABLE_WASMFS
|
|
** defined, SQLITE_NOTFOUND is returned without side effects.
|
|
*/
|
|
SQLITE_WASM_EXPORT
|
|
int sqlite3__wasm_init_wasmfs(const char *zMountPoint){
|
|
static backend_t pOpfs = 0;
|
|
if( !zMountPoint || !*zMountPoint ) zMountPoint = "/opfs";
|
|
if( !pOpfs ){
|
|
pOpfs = wasmfs_create_opfs_backend();
|
|
}
|
|
/** It's not enough to instantiate the backend. We have to create a
|
|
mountpoint in the VFS and attach the backend to it. */
|
|
if( pOpfs && 0!=access(zMountPoint, F_OK) ){
|
|
/* Note that this check and is not robust but it will
|
|
hypothetically suffice for the transient wasm-based virtual
|
|
filesystem we're currently running in. */
|
|
const int rc = wasmfs_create_directory(zMountPoint, 0777, pOpfs);
|
|
/*emscripten_console_logf("OPFS mkdir(%s) rc=%d", zMountPoint, rc);*/
|
|
if(rc) return SQLITE_IOERR;
|
|
}
|
|
return pOpfs ? 0 : SQLITE_NOMEM;
|
|
}
|
|
#else
|
|
SQLITE_WASM_EXPORT
|
|
int sqlite3__wasm_init_wasmfs(const char *zUnused){
|
|
//emscripten_console_warn("WASMFS OPFS is not compiled in.");
|
|
if(zUnused){/*unused*/}
|
|
return SQLITE_NOTFOUND;
|
|
}
|
|
#endif /* __EMSCRIPTEN__ && SQLITE_ENABLE_WASMFS */
|
|
|
|
#if SQLITE_WASM_TESTS
|
|
|
|
SQLITE_WASM_EXPORT
|
|
int sqlite3__wasm_test_intptr(int * p){
|
|
return *p = *p * 2;
|
|
}
|
|
|
|
SQLITE_WASM_EXPORT
|
|
void * sqlite3__wasm_test_voidptr(void * p){
|
|
return p;
|
|
}
|
|
|
|
SQLITE_WASM_EXPORT
|
|
int64_t sqlite3__wasm_test_int64_max(void){
|
|
return (int64_t)0x7fffffffffffffff;
|
|
}
|
|
|
|
SQLITE_WASM_EXPORT
|
|
int64_t sqlite3__wasm_test_int64_min(void){
|
|
return ~sqlite3__wasm_test_int64_max();
|
|
}
|
|
|
|
SQLITE_WASM_EXPORT
|
|
int64_t sqlite3__wasm_test_int64_times2(int64_t x){
|
|
return x * 2;
|
|
}
|
|
|
|
SQLITE_WASM_EXPORT
|
|
void sqlite3__wasm_test_int64_minmax(int64_t * min, int64_t *max){
|
|
*max = sqlite3__wasm_test_int64_max();
|
|
*min = sqlite3__wasm_test_int64_min();
|
|
/*printf("minmax: min=%lld, max=%lld\n", *min, *max);*/
|
|
}
|
|
|
|
SQLITE_WASM_EXPORT
|
|
int64_t sqlite3__wasm_test_int64ptr(int64_t * p){
|
|
/*printf("sqlite3__wasm_test_int64ptr( @%lld = 0x%llx )\n", (int64_t)p, *p);*/
|
|
return *p = *p * 2;
|
|
}
|
|
|
|
SQLITE_WASM_EXPORT
|
|
void sqlite3__wasm_test_stack_overflow(int recurse){
|
|
if(recurse) sqlite3__wasm_test_stack_overflow(recurse);
|
|
}
|
|
|
|
/* For testing the 'string:dealloc' whwasmutil.xWrap() conversion. */
|
|
SQLITE_WASM_EXPORT
|
|
char * sqlite3__wasm_test_str_hello(int fail){
|
|
char * s = fail ? 0 : (char *)sqlite3_malloc(6);
|
|
if(s){
|
|
memcpy(s, "hello", 5);
|
|
s[5] = 0;
|
|
}
|
|
return s;
|
|
}
|
|
|
|
/*
|
|
** For testing using SQLTester scripts.
|
|
**
|
|
** Return non-zero if string z matches glob pattern zGlob and zero if the
|
|
** pattern does not match.
|
|
**
|
|
** To repeat:
|
|
**
|
|
** zero == no match
|
|
** non-zero == match
|
|
**
|
|
** Globbing rules:
|
|
**
|
|
** '*' Matches any sequence of zero or more characters.
|
|
**
|
|
** '?' Matches exactly one character.
|
|
**
|
|
** [...] Matches one character from the enclosed list of
|
|
** characters.
|
|
**
|
|
** [^...] Matches one character not in the enclosed list.
|
|
**
|
|
** '#' Matches any sequence of one or more digits with an
|
|
** optional + or - sign in front, or a hexadecimal
|
|
** literal of the form 0x...
|
|
*/
|
|
static int sqlite3__wasm_SQLTester_strnotglob(const char *zGlob, const char *z){
|
|
int c, c2;
|
|
int invert;
|
|
int seen;
|
|
typedef int (*recurse_f)(const char *,const char *);
|
|
static const recurse_f recurse = sqlite3__wasm_SQLTester_strnotglob;
|
|
|
|
while( (c = (*(zGlob++)))!=0 ){
|
|
if( c=='*' ){
|
|
while( (c=(*(zGlob++))) == '*' || c=='?' ){
|
|
if( c=='?' && (*(z++))==0 ) return 0;
|
|
}
|
|
if( c==0 ){
|
|
return 1;
|
|
}else if( c=='[' ){
|
|
while( *z && recurse(zGlob-1,z)==0 ){
|
|
z++;
|
|
}
|
|
return (*z)!=0;
|
|
}
|
|
while( (c2 = (*(z++)))!=0 ){
|
|
while( c2!=c ){
|
|
c2 = *(z++);
|
|
if( c2==0 ) return 0;
|
|
}
|
|
if( recurse(zGlob,z) ) return 1;
|
|
}
|
|
return 0;
|
|
}else if( c=='?' ){
|
|
if( (*(z++))==0 ) return 0;
|
|
}else if( c=='[' ){
|
|
int prior_c = 0;
|
|
seen = 0;
|
|
invert = 0;
|
|
c = *(z++);
|
|
if( c==0 ) return 0;
|
|
c2 = *(zGlob++);
|
|
if( c2=='^' ){
|
|
invert = 1;
|
|
c2 = *(zGlob++);
|
|
}
|
|
if( c2==']' ){
|
|
if( c==']' ) seen = 1;
|
|
c2 = *(zGlob++);
|
|
}
|
|
while( c2 && c2!=']' ){
|
|
if( c2=='-' && zGlob[0]!=']' && zGlob[0]!=0 && prior_c>0 ){
|
|
c2 = *(zGlob++);
|
|
if( c>=prior_c && c<=c2 ) seen = 1;
|
|
prior_c = 0;
|
|
}else{
|
|
if( c==c2 ){
|
|
seen = 1;
|
|
}
|
|
prior_c = c2;
|
|
}
|
|
c2 = *(zGlob++);
|
|
}
|
|
if( c2==0 || (seen ^ invert)==0 ) return 0;
|
|
}else if( c=='#' ){
|
|
if( z[0]=='0'
|
|
&& (z[1]=='x' || z[1]=='X')
|
|
&& sqlite3Isxdigit(z[2])
|
|
){
|
|
z += 3;
|
|
while( sqlite3Isxdigit(z[0]) ){ z++; }
|
|
}else{
|
|
if( (z[0]=='-' || z[0]=='+') && sqlite3Isdigit(z[1]) ) z++;
|
|
if( !sqlite3Isdigit(z[0]) ) return 0;
|
|
z++;
|
|
while( sqlite3Isdigit(z[0]) ){ z++; }
|
|
}
|
|
}else{
|
|
if( c!=(*(z++)) ) return 0;
|
|
}
|
|
}
|
|
return *z==0;
|
|
}
|
|
|
|
SQLITE_WASM_EXPORT
|
|
int sqlite3__wasm_SQLTester_strglob(const char *zGlob, const char *z){
|
|
return !sqlite3__wasm_SQLTester_strnotglob(zGlob, z);
|
|
}
|
|
|
|
#endif /* SQLITE_WASM_TESTS */
|
|
|
|
#undef SQLITE_WASM_EXPORT
|