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Commitf9b2f9b

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committed
Fix plpgsql lexer to accept Windows-style and Mac-style newlines as
newlines.
1 parent84d0865 commitf9b2f9b

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1 file changed

+44
-27
lines changed

1 file changed

+44
-27
lines changed

‎src/pl/plpgsql/src/scan.l‎

Lines changed: 44 additions & 27 deletions
Original file line numberDiff line numberDiff line change
@@ -4,7 +4,7 @@
44
* procedural language
55
*
66
* IDENTIFICATION
7-
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/Attic/scan.l,v 1.4 2000/06/20 16:40:10 petere Exp $
7+
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/Attic/scan.l,v 1.5 2000/08/22 14:59:28 tgl Exp $
88
*
99
* This software is copyrighted by Jan Wieck - Hamburg.
1010
*
@@ -40,11 +40,13 @@ static char*plpgsql_source;
4040
staticintplpgsql_bytes_left;
4141
staticintscanner_functype;
4242
staticintscanner_typereported;
43+
4344
intplpgsql_SpaceScanned =0;
4445

4546
externint yylineno;
4647

4748
staticvoidplpgsql_input(char *buf,int *result,int max);
49+
4850
#defineYY_INPUT(buf,res,max)plpgsql_input(buf, &res, max)
4951
#defineYY_NO_UNPUT
5052
%}
@@ -74,37 +76,38 @@ WC[[:alnum:]_"]
7476
* functions type (T_FUNCTION or T_TRIGGER)
7577
* ----------
7678
*/
77-
if (!scanner_typereported) {
78-
scanner_typereported =1;
79-
return scanner_functype;
80-
}
79+
if (!scanner_typereported)
80+
{
81+
scanner_typereported =1;
82+
return scanner_functype;
83+
}
8184

8285
/* ----------
8386
* The keyword rules
8487
* ----------
8588
*/
86-
:={return K_ASSIGN;}
87-
={return K_ASSIGN;}
89+
:={return K_ASSIGN;}
90+
={return K_ASSIGN;}
8891
\.\.{return K_DOTDOT;}
8992
alias{return K_ALIAS;}
9093
begin{return K_BEGIN;}
9194
bpchar{return T_BPCHAR;}
9295
char{return T_CHAR;}
93-
constant{return K_CONSTANT;}
96+
constant{return K_CONSTANT;}
9497
debug{return K_DEBUG;}
9598
declare{return K_DECLARE;}
9699
default{return K_DEFAULT;}
97100
else{return K_ELSE;}
98-
end{return K_END;}
99-
exception{return K_EXCEPTION;}
101+
end{return K_END;}
102+
exception{return K_EXCEPTION;}
100103
exit{return K_EXIT;}
101-
for{return K_FOR;}
104+
for{return K_FOR;}
102105
from{return K_FROM;}
103-
if{return K_IF;}
104-
in{return K_IN;}
106+
if{return K_IF;}
107+
in{return K_IN;}
105108
into{return K_INTO;}
106109
loop{return K_LOOP;}
107-
not{return K_NOT;}
110+
not{return K_NOT;}
108111
notice{return K_NOTICE;}
109112
null{return K_NULL;}
110113
perform{return K_PERFORM;}
@@ -115,7 +118,7 @@ return{ return K_RETURN;}
115118
reverse{return K_REVERSE;}
116119
select{return K_SELECT;}
117120
then{return K_THEN;}
118-
to{return K_TO;}
121+
to{return K_TO;}
119122
type{return K_TYPE;}
120123
varchar{return T_VARCHAR;}
121124
when{return K_WHEN;}
@@ -143,13 +146,13 @@ dump{ return O_DUMP;}
143146
* Ignore whitespaces but remember this happened
144147
* ----------
145148
*/
146-
[\t\n]+{ plpgsql_SpaceScanned =1;}
149+
[\t\r\n]+{ plpgsql_SpaceScanned =1;}
147150

148151
/* ----------
149152
* Eat up comments
150153
* ----------
151154
*/
152-
--[^\n]*;
155+
--[^\r\n]*;
153156
\/\*{ start_lineno = yylineno;
154157
BEGIN IN_COMMENT;
155158
}
@@ -188,22 +191,25 @@ dump{ return O_DUMP;}
188191

189192
%%
190193

191-
intyywrap()
194+
int
195+
yywrap()
192196
{
193197
return1;
194198
}
195199

196200

197-
staticvoidplpgsql_input(char *buf,int *result,int max)
201+
staticvoid
202+
plpgsql_input(char *buf,int *result,int max)
198203
{
199-
int n = max;
200-
if (n > plpgsql_bytes_left) {
204+
intn = max;
205+
206+
if (n > plpgsql_bytes_left)
201207
n = plpgsql_bytes_left;
202-
}
203208

204-
if (n ==0) {
209+
if (n ==0)
210+
{
205211
*result = YY_NULL;
206-
return;
212+
return;
207213
}
208214

209215
*result = n;
@@ -213,18 +219,29 @@ static void plpgsql_input(char *buf, int *result, int max)
213219
}
214220

215221

216-
voidplpgsql_setinput(char *source,int functype)
222+
void
223+
plpgsql_setinput(char *source,int functype)
217224
{
218225
yyrestart(NULL);
219226
yylineno =1;
220227

221228
plpgsql_source = source;
229+
230+
/*----------
231+
* Hack: skip any initial newline, so that in the common coding layout
232+
*CREATE FUNCTION ... AS '
233+
*code body
234+
*' LANGUAGE 'plpgsql';
235+
* we will think "line 1" is what the programmer thinks of as line 1.
236+
*----------
237+
*/
238+
if (*plpgsql_source =='\r')
239+
plpgsql_source++;
222240
if (*plpgsql_source =='\n')
223241
plpgsql_source++;
242+
224243
plpgsql_bytes_left =strlen(plpgsql_source);
225244

226245
scanner_functype = functype;
227246
scanner_typereported =0;
228247
}
229-
230-

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