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| 1 #!/usr/bin/tclsh | |
| 2 # | |
| 3 # To build a single huge source file holding all of SQLite (or at | |
| 4 # least the core components - the test harness, shell, and TCL | |
| 5 # interface are omitted.) first do | |
| 6 # | |
| 7 # make target_source | |
| 8 # | |
| 9 # The make target above moves all of the source code files into | |
| 10 # a subdirectory named "tsrc". (This script expects to find the files | |
| 11 # there and will not work if they are not found.) There are a few | |
| 12 # generated C code files that are also added to the tsrc directory. | |
| 13 # For example, the "parse.c" and "parse.h" files to implement the | |
| 14 # the parser are derived from "parse.y" using lemon. And the | |
| 15 # "keywordhash.h" files is generated by a program named "mkkeywordhash". | |
| 16 # | |
| 17 # After the "tsrc" directory has been created and populated, run | |
| 18 # this script: | |
| 19 # | |
| 20 # tclsh mksqlite3c-noext.tcl | |
| 21 # | |
| 22 # The amalgamated SQLite code will be written into sqlite3.c | |
| 23 # | |
| 24 | |
| 25 # Begin by reading the "sqlite3.h" header file. Extract the version number | |
| 26 # from in this file. The version number is needed to generate the header | |
| 27 # comment of the amalgamation. | |
| 28 # | |
| 29 if {[lsearch $argv --nostatic]>=0} { | |
| 30 set addstatic 0 | |
| 31 } else { | |
| 32 set addstatic 1 | |
| 33 } | |
| 34 if {[lsearch $argv --linemacros]>=0} { | |
| 35 set linemacros 1 | |
| 36 } else { | |
| 37 set linemacros 0 | |
| 38 } | |
| 39 set in [open tsrc/sqlite3.h] | |
| 40 set cnt 0 | |
| 41 set VERSION ????? | |
| 42 while {![eof $in]} { | |
| 43 set line [gets $in] | |
| 44 if {$line=="" && [eof $in]} break | |
| 45 incr cnt | |
| 46 regexp {#define\s+SQLITE_VERSION\s+"(.*)"} $line all VERSION | |
| 47 } | |
| 48 close $in | |
| 49 | |
| 50 # Open the output file and write a header comment at the beginning | |
| 51 # of the file. | |
| 52 # | |
| 53 set out [open sqlite3.c w] | |
| 54 # Force the output to use unix line endings, even on Windows. | |
| 55 fconfigure $out -translation lf | |
| 56 set today [clock format [clock seconds] -format "%Y-%m-%d %H:%M:%S UTC" -gmt 1] | |
| 57 puts $out [subst \ | |
| 58 {/****************************************************************************** | |
| 59 ** This file is an amalgamation of many separate C source files from SQLite | |
| 60 ** version $VERSION. By combining all the individual C code files into this | |
| 61 ** single large file, the entire code can be compiled as a single translation | |
| 62 ** unit. This allows many compilers to do optimizations that would not be | |
| 63 ** possible if the files were compiled separately. Performance improvements | |
| 64 ** of 5% or more are commonly seen when SQLite is compiled as a single | |
| 65 ** translation unit. | |
| 66 ** | |
| 67 ** This file is all you need to compile SQLite. To use SQLite in other | |
| 68 ** programs, you need this file and the "sqlite3.h" header file that defines | |
| 69 ** the programming interface to the SQLite library. (If you do not have | |
| 70 ** the "sqlite3.h" header file at hand, you will find a copy embedded within | |
| 71 ** the text of this file. Search for "Begin file sqlite3.h" to find the start | |
| 72 ** of the embedded sqlite3.h header file.) Additional code files may be needed | |
| 73 ** if you want a wrapper to interface SQLite with your choice of programming | |
| 74 ** language. The code for the "sqlite3" command-line shell is also in a | |
| 75 ** separate file. This file contains only code for the core SQLite library. | |
| 76 */ | |
| 77 #define SQLITE_CORE 1 | |
| 78 #define SQLITE_AMALGAMATION 1}] | |
| 79 if {$addstatic} { | |
| 80 puts $out \ | |
| 81 {#ifndef SQLITE_PRIVATE | |
| 82 # define SQLITE_PRIVATE static | |
| 83 #endif} | |
| 84 } | |
| 85 | |
| 86 # These are the header files used by SQLite. The first time any of these | |
| 87 # files are seen in a #include statement in the C code, include the complete | |
| 88 # text of the file in-line. The file only needs to be included once. | |
| 89 # | |
| 90 foreach hdr { | |
| 91 btree.h | |
| 92 btreeInt.h | |
| 93 hash.h | |
| 94 hwtime.h | |
| 95 keywordhash.h | |
| 96 msvc.h | |
| 97 mutex.h | |
| 98 opcodes.h | |
| 99 os_common.h | |
| 100 os_setup.h | |
| 101 os_win.h | |
| 102 os.h | |
| 103 pager.h | |
| 104 parse.h | |
| 105 pcache.h | |
| 106 pragma.h | |
| 107 sqlite3ext.h | |
| 108 sqlite3.h | |
| 109 sqliteicu.h | |
| 110 sqliteInt.h | |
| 111 sqliteLimit.h | |
| 112 vdbe.h | |
| 113 vdbeInt.h | |
| 114 vxworks.h | |
| 115 wal.h | |
| 116 whereInt.h | |
| 117 } { | |
| 118 set available_hdr($hdr) 1 | |
| 119 } | |
| 120 set available_hdr(sqliteInt.h) 0 | |
| 121 | |
| 122 # These headers should be copied into the amalgamation without modifying any | |
| 123 # of their function declarations or definitions. | |
| 124 set varonly_hdr(sqlite3.h) 1 | |
| 125 | |
| 126 # These are the functions that accept a variable number of arguments. They | |
| 127 # always need to use the "cdecl" calling convention even when another calling | |
| 128 # convention (e.g. "stcall") is being used for the rest of the library. | |
| 129 set cdecllist { | |
| 130 sqlite3_config | |
| 131 sqlite3_db_config | |
| 132 sqlite3_log | |
| 133 sqlite3_mprintf | |
| 134 sqlite3_snprintf | |
| 135 sqlite3_test_control | |
| 136 sqlite3_vtab_config | |
| 137 } | |
| 138 | |
| 139 # 78 stars used for comment formatting. | |
| 140 set s78 \ | |
| 141 {*****************************************************************************} | |
| 142 | |
| 143 # Insert a comment into the code | |
| 144 # | |
| 145 proc section_comment {text} { | |
| 146 global out s78 | |
| 147 set n [string length $text] | |
| 148 set nstar [expr {60 - $n}] | |
| 149 set stars [string range $s78 0 $nstar] | |
| 150 puts $out "/************** $text $stars/" | |
| 151 } | |
| 152 | |
| 153 # Read the source file named $filename and write it into the | |
| 154 # sqlite3.c output file. If any #include statements are seen, | |
| 155 # process them appropriately. | |
| 156 # | |
| 157 proc copy_file {filename} { | |
| 158 global seen_hdr available_hdr varonly_hdr cdecllist out addstatic linemacros | |
| 159 set ln 0 | |
| 160 set tail [file tail $filename] | |
| 161 section_comment "Begin file $tail" | |
| 162 if {$linemacros} {puts $out "#line 1 \"$filename\""} | |
| 163 set in [open $filename r] | |
| 164 set varpattern {^[a-zA-Z][a-zA-Z_0-9 *]+(sqlite3[_a-zA-Z0-9]+)(\[|;| =)} | |
| 165 set declpattern {([a-zA-Z][a-zA-Z_0-9 ]+ \**)(sqlite3[_a-zA-Z0-9]+)(\(.*)} | |
| 166 if {[file extension $filename]==".h"} { | |
| 167 set declpattern " *$declpattern" | |
| 168 } | |
| 169 set declpattern ^$declpattern\$ | |
| 170 while {![eof $in]} { | |
| 171 set line [gets $in] | |
| 172 incr ln | |
| 173 if {[regexp {^\s*#\s*include\s+["<]([^">]+)[">]} $line all hdr]} { | |
| 174 if {[info exists available_hdr($hdr)]} { | |
| 175 if {$available_hdr($hdr)} { | |
| 176 if {$hdr!="os_common.h" && $hdr!="hwtime.h"} { | |
| 177 set available_hdr($hdr) 0 | |
| 178 } | |
| 179 section_comment "Include $hdr in the middle of $tail" | |
| 180 copy_file tsrc/$hdr | |
| 181 section_comment "Continuing where we left off in $tail" | |
| 182 if {$linemacros} {puts $out "#line [expr {$ln+1}] \"$filename\""} | |
| 183 } else { | |
| 184 # Comment out the entire line, replacing any nested comment | |
| 185 # begin/end markers with the harmless substring "**". | |
| 186 puts $out "/* [string map [list /* ** */ **] $line] */" | |
| 187 } | |
| 188 } elseif {![info exists seen_hdr($hdr)]} { | |
| 189 if {![regexp {/\*\s+amalgamator:\s+dontcache\s+\*/} $line]} { | |
| 190 set seen_hdr($hdr) 1 | |
| 191 } | |
| 192 puts $out $line | |
| 193 } elseif {[regexp {/\*\s+amalgamator:\s+keep\s+\*/} $line]} { | |
| 194 # This include file must be kept because there was a "keep" | |
| 195 # directive inside of a line comment. | |
| 196 puts $out $line | |
| 197 } else { | |
| 198 # Comment out the entire line, replacing any nested comment | |
| 199 # begin/end markers with the harmless substring "**". | |
| 200 puts $out "/* [string map [list /* ** */ **] $line] */" | |
| 201 } | |
| 202 } elseif {[regexp {^#ifdef __cplusplus} $line]} { | |
| 203 puts $out "#if 0" | |
| 204 } elseif {!$linemacros && [regexp {^#line} $line]} { | |
| 205 # Skip #line directives. | |
| 206 } elseif {$addstatic && ![regexp {^(static|typedef)} $line]} { | |
| 207 # Skip adding the SQLITE_PRIVATE or SQLITE_API keyword before | |
| 208 # functions if this header file does not need it. | |
| 209 if {![info exists varonly_hdr($tail)] | |
| 210 && [regexp $declpattern $line all rettype funcname rest]} { | |
| 211 regsub {^SQLITE_API } $line {} line | |
| 212 # Add the SQLITE_PRIVATE or SQLITE_API keyword before functions. | |
| 213 # so that linkage can be modified at compile-time. | |
| 214 if {[regexp {^sqlite3_} $funcname]} { | |
| 215 set line SQLITE_API | |
| 216 append line " " [string trim $rettype] | |
| 217 if {[string index $rettype end] ne "*"} { | |
| 218 append line " " | |
| 219 } | |
| 220 if {[lsearch -exact $cdecllist $funcname] >= 0} { | |
| 221 append line SQLITE_CDECL | |
| 222 } else { | |
| 223 append line SQLITE_STDCALL | |
| 224 } | |
| 225 append line " " $funcname $rest | |
| 226 puts $out $line | |
| 227 } else { | |
| 228 puts $out "SQLITE_PRIVATE $line" | |
| 229 } | |
| 230 } elseif {[regexp $varpattern $line all varname]} { | |
| 231 # Add the SQLITE_PRIVATE before variable declarations or | |
| 232 # definitions for internal use | |
| 233 regsub {^SQLITE_API } $line {} line | |
| 234 if {![regexp {^sqlite3_} $varname]} { | |
| 235 regsub {^extern } $line {} line | |
| 236 puts $out "SQLITE_PRIVATE $line" | |
| 237 } else { | |
| 238 if {[regexp {const char sqlite3_version\[\];} $line]} { | |
| 239 set line {const char sqlite3_version[] = SQLITE_VERSION;} | |
| 240 } | |
| 241 regsub {^SQLITE_EXTERN } $line {} line | |
| 242 puts $out "SQLITE_API $line" | |
| 243 } | |
| 244 } elseif {[regexp {^(SQLITE_EXTERN )?void \(\*sqlite3IoTrace\)} $line]} { | |
| 245 regsub {^SQLITE_API } $line {} line | |
| 246 regsub {^SQLITE_EXTERN } $line {} line | |
| 247 puts $out $line | |
| 248 } elseif {[regexp {^void \(\*sqlite3Os} $line]} { | |
| 249 regsub {^SQLITE_API } $line {} line | |
| 250 puts $out "SQLITE_PRIVATE $line" | |
| 251 } else { | |
| 252 puts $out $line | |
| 253 } | |
| 254 } else { | |
| 255 puts $out $line | |
| 256 } | |
| 257 } | |
| 258 close $in | |
| 259 section_comment "End of $tail" | |
| 260 } | |
| 261 | |
| 262 | |
| 263 # Process the source files. Process files containing commonly | |
| 264 # used subroutines first in order to help the compiler find | |
| 265 # inlining opportunities. | |
| 266 # | |
| 267 foreach file { | |
| 268 sqliteInt.h | |
| 269 | |
| 270 global.c | |
| 271 ctime.c | |
| 272 status.c | |
| 273 date.c | |
| 274 os.c | |
| 275 | |
| 276 fault.c | |
| 277 mem0.c | |
| 278 mem1.c | |
| 279 mem2.c | |
| 280 mem3.c | |
| 281 mem5.c | |
| 282 mutex.c | |
| 283 mutex_noop.c | |
| 284 mutex_unix.c | |
| 285 mutex_w32.c | |
| 286 malloc.c | |
| 287 printf.c | |
| 288 random.c | |
| 289 threads.c | |
| 290 utf.c | |
| 291 util.c | |
| 292 hash.c | |
| 293 opcodes.c | |
| 294 | |
| 295 os_unix.c | |
| 296 os_win.c | |
| 297 | |
| 298 bitvec.c | |
| 299 pcache.c | |
| 300 pcache1.c | |
| 301 rowset.c | |
| 302 pager.c | |
| 303 wal.c | |
| 304 | |
| 305 btmutex.c | |
| 306 btree.c | |
| 307 backup.c | |
| 308 | |
| 309 vdbemem.c | |
| 310 vdbeaux.c | |
| 311 vdbeapi.c | |
| 312 vdbetrace.c | |
| 313 vdbe.c | |
| 314 vdbeblob.c | |
| 315 vdbesort.c | |
| 316 journal.c | |
| 317 memjournal.c | |
| 318 | |
| 319 walker.c | |
| 320 resolve.c | |
| 321 expr.c | |
| 322 alter.c | |
| 323 analyze.c | |
| 324 attach.c | |
| 325 auth.c | |
| 326 build.c | |
| 327 callback.c | |
| 328 delete.c | |
| 329 func.c | |
| 330 fkey.c | |
| 331 insert.c | |
| 332 legacy.c | |
| 333 loadext.c | |
| 334 pragma.c | |
| 335 prepare.c | |
| 336 select.c | |
| 337 table.c | |
| 338 trigger.c | |
| 339 update.c | |
| 340 vacuum.c | |
| 341 vtab.c | |
| 342 where.c | |
| 343 | |
| 344 parse.c | |
| 345 | |
| 346 tokenize.c | |
| 347 complete.c | |
| 348 | |
| 349 main.c | |
| 350 notify.c | |
| 351 } { | |
| 352 copy_file tsrc/$file | |
| 353 } | |
| 354 | |
| 355 close $out | |
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