diff options
Diffstat (limited to 'src/backend/utils/Gen_fmgrtab.sh.in')
| -rw-r--r-- | src/backend/utils/Gen_fmgrtab.sh.in | 196 |
1 files changed, 51 insertions, 145 deletions
diff --git a/src/backend/utils/Gen_fmgrtab.sh.in b/src/backend/utils/Gen_fmgrtab.sh.in index 975e2a0f9a2..f075ac28376 100644 --- a/src/backend/utils/Gen_fmgrtab.sh.in +++ b/src/backend/utils/Gen_fmgrtab.sh.in @@ -1,14 +1,15 @@ #!/bin/sh #------------------------------------------------------------------------- # -# Gen_fmgrtab.sh-- -# shell script to generate fmgr.h and fmgrtab.c from pg_proc.h +# Gen_fmgrtab.sh +# shell script to generate fmgroids.h and fmgrtab.c from pg_proc.h # -# Copyright (c) 1994, Regents of the University of California +# Portions Copyright (c) 1996-2000, PostgreSQL, Inc +# Portions Copyright (c) 1994, Regents of the University of California # # # IDENTIFICATION -# $Header: /cvsroot/pgsql/src/backend/utils/Attic/Gen_fmgrtab.sh.in,v 1.21 2000/05/22 02:34:21 momjian Exp $ +# $Header: /cvsroot/pgsql/src/backend/utils/Attic/Gen_fmgrtab.sh.in,v 1.22 2000/05/28 17:56:05 tgl Exp $ # # NOTES # Passes any -D options on to cpp prior to generating the list @@ -16,12 +17,6 @@ # #------------------------------------------------------------------------- -if [ $? != 0 ] -then - echo `basename $0`: Bad option - exit 1 -fi - BKIOPTS='' # @@ -32,7 +27,7 @@ for opt in $* do case $opt in -D) BKIOPTS="$BKIOPTS -D$2"; shift; shift;; - -D*) BKIOPTS="$BKIOPTS $1";shift;; + -D*) BKIOPTS="$BKIOPTS $1"; shift;; --) shift; break;; -*) shift;; esac @@ -41,8 +36,8 @@ done INFILE=$1 RAWFILE=fmgr.raw CPPTMPFILE=fmgrtmp.c -HFILE=fmgr.h -TABCFILE=fmgrtab.c +OIDSFILE=fmgroids.h +TABLEFILE=fmgrtab.c # # Generate the file containing raw pg_proc tuple data @@ -63,7 +58,8 @@ sed -e 's/^.*OID[^=]*=[^0-9]*//' \ -e 's/[ ]*).*$//' | \ awk ' /^#/ { print; next; } -$4 == "11" { print; next; }' > $CPPTMPFILE +$4 == "11" { print; next; } +$4 == "12" { print; next; }' > $CPPTMPFILE @CPP@ $BKIOPTS $CPPTMPFILE | \ egrep '^[0-9]' | \ @@ -72,18 +68,21 @@ sort -n > $RAWFILE rm -f $CPPTMPFILE # -# Generate fmgr.h +# Generate fmgroids.h # -cat > $HFILE <<FuNkYfMgRsTuFf +cat > $OIDSFILE <<FuNkYfMgRsTuFf /*------------------------------------------------------------------------- * - * $HFILE-- - * Definitions for using internal procedures. + * $OIDSFILE + * Macros that define the OIDs of built-in functions. * + * These macros can be used to avoid a catalog lookup when a specific + * fmgr-callable function needs to be referenced. * - * Copyright (c) 1994, Regents of the University of California + * Portions Copyright (c) 1996-2000, PostgreSQL, Inc + * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: Gen_fmgrtab.sh.in,v 1.21 2000/05/22 02:34:21 momjian Exp $ + * $Id: Gen_fmgrtab.sh.in,v 1.22 2000/05/28 17:56:05 tgl Exp $ * * NOTES * ****************************** @@ -91,77 +90,12 @@ cat > $HFILE <<FuNkYfMgRsTuFf * ****************************** * * It has been GENERATED by $0 - * from $1 + * from $INFILE * *------------------------------------------------------------------------- */ -#ifndef FMGR_H -#define FMGR_H - -#include "postgres.h" - -typedef struct { - char *data[FUNC_MAX_ARGS]; -} FmgrValues; - -typedef struct { - func_ptr fn_addr; - func_ptr fn_plhandler; - Oid fn_oid; - int fn_nargs; -} FmgrInfo; - -/* - * defined in fmgr.c - */ -extern char *fmgr_c(FmgrInfo *finfo, FmgrValues *values, bool *isNull); -extern void fmgr_info(Oid procedureId, FmgrInfo *finfo); -extern char *fmgr(Oid procedureId, ... ); -extern char *fmgr_ptr(FmgrInfo *finfo, ... ); -extern char *fmgr_array_args(Oid procedureId, int nargs, - char *args[], bool *isNull); - -/* - * defined in dfmgr.c - */ -extern func_ptr fmgr_dynamic(Oid procedureId, int *pronargs); -extern void load_file(char *filename); - -/* - * For performance reasons, we often want to simply jump through a - * a function pointer (if it's valid, that is). These calls have - * been macroized so we can run them through a routine that does - * sanity-checking (and so we can track them down more easily when - * we must). - */ - -/* We don't make this static so fmgr_faddr() macros can access it */ -extern FmgrInfo *fmgr_pl_finfo; - -#define fmgr_faddr(finfo) \ -( \ - fmgr_pl_finfo = (finfo), \ - (func_ptr)(finfo)->fn_addr \ -) - -#ifdef TRACE_FMGR_PTR -#define FMGR_PTR2(FINFO, ARG1, ARG2) \ - fmgr_ptr(FINFO, 2, ARG1, ARG2) -#else -#define FMGR_PTR2(FINFO, ARG1, ARG2) \ -( \ - ((FINFO)->fn_addr) ? \ - (*(fmgr_faddr(FINFO)))(ARG1, ARG2) \ - : \ - fmgr((FINFO)->fn_oid, ARG1, ARG2) \ -) -#endif - -/* - * Flags for the builtin oprrest selectivity routines. - */ -#define SEL_CONSTANT 1 /* constant does not vary (not a parameter) */ -#define SEL_RIGHT 2 /* constant appears to right of operator */ +#ifndef FMGROIDS_H +#define FMGROIDS_H /* * Constant macros for the OIDs of entries in pg_proc. @@ -174,30 +108,33 @@ FuNkYfMgRsTuFf tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' < $RAWFILE | \ awk ' BEGIN { OFS = ""; } - { if (seenit[$2]++ == 0) print "#define F_", $2, " ", $1; }' >> $HFILE + { if (seenit[$2]++ == 0) print "#define F_", $2, " ", $1; }' >> $OIDSFILE -cat >> $HFILE <<FuNkYfMgRsTuFf +cat >> $OIDSFILE <<FuNkYfMgRsTuFf -#endif /* FMGR_H */ +#endif /* FMGROIDS_H */ FuNkYfMgRsTuFf # -# Generate fmgr function table file. +# Generate fmgr's built-in-function table. # -# Print out the bogus function declarations, then the table that -# refers to them. +# Print out the function declarations, then the table that refers to them. +# NB: the function declarations are bogus in the case of old-style functions, +# although they should be correct for new-style. Therefore we need to compile +# this table definition as a separate C file that won't need to include any +# "real" declarations for those functions! # -cat > $TABCFILE <<FuNkYfMgRtAbStUfF +cat > $TABLEFILE <<FuNkYfMgRtAbStUfF /*------------------------------------------------------------------------- * - * $TABCFILE-- + * $TABLEFILE * The function manager's table of internal functions. * - * Copyright (c) 1994, Regents of the University of California - * + * Portions Copyright (c) 1996-2000, PostgreSQL, Inc + * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/utils/Attic/Gen_fmgrtab.sh.in,v 1.21 2000/05/22 02:34:21 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/Attic/Gen_fmgrtab.sh.in,v 1.22 2000/05/28 17:56:05 tgl Exp $ * * NOTES * @@ -206,72 +143,41 @@ cat > $TABCFILE <<FuNkYfMgRtAbStUfF * ****************************** * * It has been GENERATED by $0 - * from $1 + * from $INFILE * - * We lie here to cc about the return type and arguments of the + * We lie here to cc about the return type and arguments of old-style * builtin functions; all ld cares about is the fact that it * will need to resolve an external function reference. * *------------------------------------------------------------------------- */ -#include <string.h> #include "postgres.h" + #include "utils/fmgrtab.h" FuNkYfMgRtAbStUfF -awk '{ print "extern char *", $(NF-1), "();"; }' $RAWFILE >> $TABCFILE +awk '{ print "extern Datum", $(NF-1), "(PG_FUNCTION_ARGS);"; }' $RAWFILE >> $TABLEFILE -cat >> $TABCFILE <<FuNkYfMgRtAbStUfF +cat >> $TABLEFILE <<FuNkYfMgRtAbStUfF -static FmgrCall fmgr_builtins[] = { +const FmgrBuiltin fmgr_builtins[] = { FuNkYfMgRtAbStUfF -awk '{ printf (" {%d, %d, %s, \"%s\" },\n"), $1, $8, $(NF-1), $(NF-1) }' $RAWFILE >> $TABCFILE +awk '{ printf (" { %d, \"%s\", %d, %s, %s, %s },\n"), \ + $1, $(NF-1), $9, \ + ($8 == "t") ? "true" : "false", \ + ($4 == "11") ? "true" : "false", \ + $(NF-1) }' $RAWFILE >> $TABLEFILE -cat >> $TABCFILE <<FuNkYfMgRtAbStUfF +cat >> $TABLEFILE <<FuNkYfMgRtAbStUfF /* dummy entry is easier than getting rid of comma after last real one */ - { 0, 0, (func_ptr) NULL, NULL } + { 0, NULL, 0, false, false, (PGFunction) NULL } }; -/* Note FMGR_NBUILTINS excludes the dummy entry */ -#define FMGR_NBUILTINS ((sizeof(fmgr_builtins) / sizeof(FmgrCall)) - 1) - -FmgrCall *fmgr_isbuiltin(Oid id) -{ - int low = 0; - int high = FMGR_NBUILTINS - 1; - - /* Loop invariant: low is the first index that could contain target - * entry, and high is the last index that could contain it. - */ - while (low <= high) { - int i = (high + low) / 2; - FmgrCall * ptr = &fmgr_builtins[i]; - if (id == ptr->proid) - return ptr; - else if (id > ptr->proid) - low = i + 1; - else - high = i - 1; - } - return (FmgrCall *) NULL; -} - -func_ptr fmgr_lookupByName(char *name) -{ - /* Lookup a builtin by name. Note there can be more than one entry in - * the array matching this name, but they should all point to the same - * routine. - */ - int i; - for (i=0; i<FMGR_NBUILTINS; i++) { - if (strcmp(name, fmgr_builtins[i].funcName) == 0) - return fmgr_builtins[i].func; - } - return (func_ptr) NULL; -} +/* Note fmgr_nbuiltins excludes the dummy entry */ +const int fmgr_nbuiltins = (sizeof(fmgr_builtins) / sizeof(FmgrBuiltin)) - 1; FuNkYfMgRtAbStUfF |