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Commitafca5d5

Browse files
author
Neil Conway
committed
Cleanup: move the 'Value' node into a separate file, rather than putting
it in the same file as the 'List' node.
1 parent7f5e12a commitafca5d5

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7 files changed

+146
-128
lines changed

7 files changed

+146
-128
lines changed

‎src/backend/nodes/Makefile‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -4,7 +4,7 @@
44
# Makefile for backend/nodes
55
#
66
# IDENTIFICATION
7-
# $PostgreSQL: pgsql/src/backend/nodes/Makefile,v 1.15 2003/11/29 19:51:49 pgsql Exp $
7+
# $PostgreSQL: pgsql/src/backend/nodes/Makefile,v 1.16 2004/01/07 18:43:36 neilc Exp $
88
#
99
#-------------------------------------------------------------------------
1010

@@ -14,7 +14,7 @@ include $(top_builddir)/src/Makefile.global
1414

1515
OBJS = nodeFuncs.o nodes.o list.o bitmapset.o\
1616
copyfuncs.o equalfuncs.o makefuncs.o\
17-
outfuncs.o readfuncs.o print.o read.o
17+
outfuncs.o readfuncs.o print.o read.o value.o
1818

1919
all: SUBSYS.o
2020

‎src/backend/nodes/list.c‎

Lines changed: 2 additions & 73 deletions
Original file line numberDiff line numberDiff line change
@@ -1,93 +1,22 @@
11
/*-------------------------------------------------------------------------
22
*
33
* list.c
4-
*POSTGRESgeneric list package
4+
*implementation for PostgreSQLgeneric linked list package
55
*
66
*
77
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
88
* Portions Copyright (c) 1994, Regents of the University of California
99
*
1010
*
1111
* IDENTIFICATION
12-
* $PostgreSQL: pgsql/src/backend/nodes/list.c,v 1.55 2003/11/29 19:51:49 pgsql Exp $
13-
*
14-
* NOTES
15-
* XXX a few of the following functions are duplicated to handle
16-
* List of pointers and List of integers separately. Some day,
17-
* someone should unify them.- ay 11/2/94
18-
* This file needs cleanup.
19-
*
20-
* HISTORY
21-
* AUTHORDATEMAJOR EVENT
22-
* Andrew YuOct, 1994file creation
12+
* $PostgreSQL: pgsql/src/backend/nodes/list.c,v 1.56 2004/01/07 18:43:36 neilc Exp $
2313
*
2414
*-------------------------------------------------------------------------
2515
*/
2616
#include"postgres.h"
2717

2818
#include"nodes/parsenodes.h"
2919

30-
31-
/*
32-
*makeInteger
33-
*/
34-
Value*
35-
makeInteger(longi)
36-
{
37-
Value*v=makeNode(Value);
38-
39-
v->type=T_Integer;
40-
v->val.ival=i;
41-
returnv;
42-
}
43-
44-
/*
45-
*makeFloat
46-
*
47-
* Caller is responsible for passing a palloc'd string.
48-
*/
49-
Value*
50-
makeFloat(char*numericStr)
51-
{
52-
Value*v=makeNode(Value);
53-
54-
v->type=T_Float;
55-
v->val.str=numericStr;
56-
returnv;
57-
}
58-
59-
/*
60-
*makeString
61-
*
62-
* Caller is responsible for passing a palloc'd string.
63-
*/
64-
Value*
65-
makeString(char*str)
66-
{
67-
Value*v=makeNode(Value);
68-
69-
v->type=T_String;
70-
v->val.str=str;
71-
returnv;
72-
}
73-
74-
75-
/*
76-
*makeBitString
77-
*
78-
* Caller is responsible for passing a palloc'd string.
79-
*/
80-
Value*
81-
makeBitString(char*str)
82-
{
83-
Value*v=makeNode(Value);
84-
85-
v->type=T_BitString;
86-
v->val.str=str;
87-
returnv;
88-
}
89-
90-
9120
/*
9221
*lcons
9322
*

‎src/backend/nodes/value.c‎

Lines changed: 75 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,75 @@
1+
/*-------------------------------------------------------------------------
2+
*
3+
* value.c
4+
* implementation of Value nodes
5+
*
6+
*
7+
* Copyright (c) 2003, PostgreSQL Global Development Group
8+
*
9+
*
10+
* IDENTIFICATION
11+
* $PostgreSQL: pgsql/src/backend/nodes/value.c,v 1.1 2004/01/07 18:43:36 neilc Exp $
12+
*
13+
*-------------------------------------------------------------------------
14+
*/
15+
#include"postgres.h"
16+
17+
#include"nodes/parsenodes.h"
18+
19+
/*
20+
*makeInteger
21+
*/
22+
Value*
23+
makeInteger(longi)
24+
{
25+
Value*v=makeNode(Value);
26+
27+
v->type=T_Integer;
28+
v->val.ival=i;
29+
returnv;
30+
}
31+
32+
/*
33+
*makeFloat
34+
*
35+
* Caller is responsible for passing a palloc'd string.
36+
*/
37+
Value*
38+
makeFloat(char*numericStr)
39+
{
40+
Value*v=makeNode(Value);
41+
42+
v->type=T_Float;
43+
v->val.str=numericStr;
44+
returnv;
45+
}
46+
47+
/*
48+
*makeString
49+
*
50+
* Caller is responsible for passing a palloc'd string.
51+
*/
52+
Value*
53+
makeString(char*str)
54+
{
55+
Value*v=makeNode(Value);
56+
57+
v->type=T_String;
58+
v->val.str=str;
59+
returnv;
60+
}
61+
62+
/*
63+
*makeBitString
64+
*
65+
* Caller is responsible for passing a palloc'd string.
66+
*/
67+
Value*
68+
makeBitString(char*str)
69+
{
70+
Value*v=makeNode(Value);
71+
72+
v->type=T_BitString;
73+
v->val.str=str;
74+
returnv;
75+
}

‎src/include/nodes/nodes.h‎

Lines changed: 7 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
77
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
88
* Portions Copyright (c) 1994, Regents of the University of California
99
*
10-
* $PostgreSQL: pgsql/src/include/nodes/nodes.h,v 1.149 2004/01/06 23:55:19 tgl Exp $
10+
* $PostgreSQL: pgsql/src/include/nodes/nodes.h,v 1.150 2004/01/07 18:43:36 neilc Exp $
1111
*
1212
*-------------------------------------------------------------------------
1313
*/
@@ -175,16 +175,20 @@ typedef enum NodeTag
175175
T_AllocSetContext,
176176

177177
/*
178-
* TAGS FOR VALUE NODES (pg_list.h)
178+
* TAGS FOR VALUE NODES (value.h)
179179
*/
180180
T_Value=650,
181-
T_List,
182181
T_Integer,
183182
T_Float,
184183
T_String,
185184
T_BitString,
186185
T_Null,
187186

187+
/*
188+
* TAGS FOR LIST NODES (pg_list.h)
189+
*/
190+
T_List,
191+
188192
/*
189193
* TAGS FOR PARSE TREE NODES (parsenodes.h)
190194
*/

‎src/include/nodes/pg_list.h‎

Lines changed: 2 additions & 49 deletions
Original file line numberDiff line numberDiff line change
@@ -1,13 +1,13 @@
11
/*-------------------------------------------------------------------------
22
*
33
* pg_list.h
4-
*POSTGRESgeneric list package
4+
*interface for PostgreSQLgeneric linked list package
55
*
66
*
77
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
88
* Portions Copyright (c) 1994, Regents of the University of California
99
*
10-
* $PostgreSQL: pgsql/src/include/nodes/pg_list.h,v 1.42 2003/11/29 22:41:06 pgsql Exp $
10+
* $PostgreSQL: pgsql/src/include/nodes/pg_list.h,v 1.43 2004/01/07 18:43:36 neilc Exp $
1111
*
1212
*-------------------------------------------------------------------------
1313
*/
@@ -21,44 +21,6 @@
2121
* ----------------------------------------------------------------
2222
*/
2323

24-
/*----------------------
25-
*Value node
26-
*
27-
* The same Value struct is used for five node types: T_Integer,
28-
* T_Float, T_String, T_BitString, T_Null.
29-
*
30-
* Integral values are actually represented by a machine integer,
31-
* but both floats and strings are represented as strings.
32-
* Using T_Float as the node type simply indicates that
33-
* the contents of the string look like a valid numeric literal.
34-
*
35-
* (Before Postgres 7.0, we used a double to represent T_Float,
36-
* but that creates loss-of-precision problems when the value is
37-
* ultimately destined to be converted to NUMERIC.Since Value nodes
38-
* are only used in the parsing process, not for runtime data, it's
39-
* better to use the more general representation.)
40-
*
41-
* Note that an integer-looking string will get lexed as T_Float if
42-
* the value is too large to fit in a 'long'.
43-
*
44-
* Nulls, of course, don't need the value part at all.
45-
*----------------------
46-
*/
47-
typedefstructValue
48-
{
49-
NodeTagtype;/* tag appropriately (eg. T_String) */
50-
unionValUnion
51-
{
52-
longival;/* machine integer */
53-
char*str;/* string */
54-
}val;
55-
}Value;
56-
57-
#defineintVal(v)(((Value *)(v))->val.ival)
58-
#definefloatVal(v)atof(((Value *)(v))->val.str)
59-
#definestrVal(v)(((Value *)(v))->val.str)
60-
61-
6224
/*----------------------
6325
*List node
6426
*
@@ -150,15 +112,6 @@ typedef struct FastList
150112
#definemakeFastList1(fl,x1) \
151113
( (fl)->head = (fl)->tail = makeList1(x1) )
152114

153-
154-
/*
155-
* function prototypes in nodes/list.c
156-
*/
157-
externValue*makeInteger(longi);
158-
externValue*makeFloat(char*numericStr);
159-
externValue*makeString(char*str);
160-
externValue*makeBitString(char*str);
161-
162115
externList*lcons(void*datum,List*list);
163116
externList*lconsi(intdatum,List*list);
164117
externList*lconso(Oiddatum,List*list);

‎src/include/nodes/primnodes.h‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -10,7 +10,7 @@
1010
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
1111
* Portions Copyright (c) 1994, Regents of the University of California
1212
*
13-
* $PostgreSQL: pgsql/src/include/nodes/primnodes.h,v 1.93 2003/11/29 22:41:06 pgsql Exp $
13+
* $PostgreSQL: pgsql/src/include/nodes/primnodes.h,v 1.94 2004/01/07 18:43:36 neilc Exp $
1414
*
1515
*-------------------------------------------------------------------------
1616
*/
@@ -19,6 +19,7 @@
1919

2020
#include"access/attnum.h"
2121
#include"nodes/pg_list.h"
22+
#include"nodes/value.h"
2223

2324

2425
/* ----------------------------------------------------------------

‎src/include/nodes/value.h‎

Lines changed: 56 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,56 @@
1+
/*-------------------------------------------------------------------------
2+
*
3+
* value.h
4+
* interface for Value nodes
5+
*
6+
*
7+
* Copyright (c) 2003, PostgreSQL Global Development Group
8+
*
9+
* $PostgreSQL: pgsql/src/include/nodes/value.h,v 1.1 2004/01/07 18:43:36 neilc Exp $
10+
*
11+
*-------------------------------------------------------------------------
12+
*/
13+
14+
#include"nodes/nodes.h"
15+
16+
/*----------------------
17+
*Value node
18+
*
19+
* The same Value struct is used for five node types: T_Integer,
20+
* T_Float, T_String, T_BitString, T_Null.
21+
*
22+
* Integral values are actually represented by a machine integer,
23+
* but both floats and strings are represented as strings.
24+
* Using T_Float as the node type simply indicates that
25+
* the contents of the string look like a valid numeric literal.
26+
*
27+
* (Before Postgres 7.0, we used a double to represent T_Float,
28+
* but that creates loss-of-precision problems when the value is
29+
* ultimately destined to be converted to NUMERIC.Since Value nodes
30+
* are only used in the parsing process, not for runtime data, it's
31+
* better to use the more general representation.)
32+
*
33+
* Note that an integer-looking string will get lexed as T_Float if
34+
* the value is too large to fit in a 'long'.
35+
*
36+
* Nulls, of course, don't need the value part at all.
37+
*----------------------
38+
*/
39+
typedefstructValue
40+
{
41+
NodeTagtype;/* tag appropriately (eg. T_String) */
42+
unionValUnion
43+
{
44+
longival;/* machine integer */
45+
char*str;/* string */
46+
}val;
47+
}Value;
48+
49+
#defineintVal(v)(((Value *)(v))->val.ival)
50+
#definefloatVal(v)atof(((Value *)(v))->val.str)
51+
#definestrVal(v)(((Value *)(v))->val.str)
52+
53+
externValue*makeInteger(longi);
54+
externValue*makeFloat(char*numericStr);
55+
externValue*makeString(char*str);
56+
externValue*makeBitString(char*str);

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