sqlite: Add gen-sqlite3-namespace.sh script for upgrades
This commit is contained in:
Nicolas Williams
110
lib/sqlite/gen-sqlite3-namespace.sh
Executable file
110
lib/sqlite/gen-sqlite3-namespace.sh
Executable file
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#!/bin/sh
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#
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# Generate sqlite3_namespace.h from sqlite3.c and sqlite3.h
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#
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# This script extracts all public SQLite3 symbols and generates a header
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# that renames them with a heim_ prefix to avoid symbol conflicts.
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#
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# Usage: ./gen-sqlite3-namespace.sh [sqlite3.c] [sqlite3.h]
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#
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# Run this script after importing a new version of SQLite3.
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set -e
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SQLITE3_C="${1:-sqlite3.c}"
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SQLITE3_H="${2:-sqlite3.h}"
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OUTPUT="sqlite3_namespace.h"
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if [ ! -f "$SQLITE3_C" ]; then
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echo "Error: $SQLITE3_C not found" >&2
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exit 1
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fi
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if [ ! -f "$SQLITE3_H" ]; then
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echo "Error: $SQLITE3_H not found" >&2
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exit 1
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fi
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# Extract symbols from SQLITE_API declarations in sqlite3.c
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# This catches functions and variables like sqlite3_open, sqlite3_version, etc.
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# Also catches sqlite3session_*, sqlite3changegroup_*, sqlite3rbu_*, etc.
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grep '^SQLITE_API' "$SQLITE3_C" | grep -oE 'sqlite3[a-zA-Z0-9_]*' | sort -u > /tmp/sqlite_funcs.$$
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# Extract type names from typedef declarations in sqlite3.h
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grep -E '^typedef' "$SQLITE3_H" | grep -oE 'sqlite3[a-zA-Z0-9_]*' | sort -u > /tmp/sqlite_types.$$
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# Also get sqlite_int64 and sqlite_uint64
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grep -E '^typedef' "$SQLITE3_H" | grep -oE 'sqlite_[a-zA-Z0-9_]*' | sort -u >> /tmp/sqlite_types.$$
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# Combine and deduplicate
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cat /tmp/sqlite_funcs.$$ /tmp/sqlite_types.$$ | sort -u > /tmp/all_symbols.$$
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# Clean up temp files on exit
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trap "rm -f /tmp/sqlite_funcs.$$ /tmp/sqlite_types.$$ /tmp/all_symbols.$$" EXIT
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# Count symbols
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NUM_SYMBOLS=$(wc -l < /tmp/all_symbols.$$)
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echo "Found $NUM_SYMBOLS symbols to rename"
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# Generate the header
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cat > "$OUTPUT" << 'HEADER_EOF'
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/*
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* Copyright (c) 2025 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* This header renames all public SQLite3 symbols to use a heim_ prefix
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* to avoid symbol conflicts when both libheimsqlite and libsqlite3 are
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* loaded in the same process.
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*
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* This file is auto-generated by gen-sqlite3-namespace.sh
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* Regenerate after importing a new SQLite version:
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*
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* cd lib/sqlite && ./gen-sqlite3-namespace.sh
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*/
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#ifndef SQLITE3_NAMESPACE_H
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#define SQLITE3_NAMESPACE_H
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HEADER_EOF
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# Generate the #define lines
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while read sym; do
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echo "#define $sym heim_$sym"
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done < /tmp/all_symbols.$$ >> "$OUTPUT"
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cat >> "$OUTPUT" << 'FOOTER_EOF'
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#endif /* SQLITE3_NAMESPACE_H */
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FOOTER_EOF
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echo "Generated $OUTPUT with $NUM_SYMBOLS symbol renames"
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@@ -36,10 +36,10 @@
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* to avoid symbol conflicts when both libheimsqlite and libsqlite3 are
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* loaded in the same process.
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*
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* This file is auto-generated. To regenerate:
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* grep '^SQLITE_API' lib/sqlite/sqlite3.c | grep -oE 'sqlite3[a-zA-Z0-9_]*' | sort -u > /tmp/funcs.txt
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* grep -E '^typedef' lib/sqlite/sqlite3.h | grep -oE 'sqlite3[a-zA-Z0-9_]*' | sort -u > /tmp/types.txt
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* cat /tmp/funcs.txt /tmp/types.txt | sort -u | while read sym; do echo "#define $sym heim_$sym"; done
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* This file is auto-generated by gen-sqlite3-namespace.sh
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* Regenerate after importing a new SQLite version:
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*
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* cd lib/sqlite && ./gen-sqlite3-namespace.sh
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*/
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#ifndef SQLITE3_NAMESPACE_H
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