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Allow more variations on valid floating point numbers (e.g. ".1", "1e6").

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Reintroduce fixes for unary minus parsing with leading spaces.
This commit is contained in:
Thomas G. Lockhart 1998-05-09 23:15:20 +00:00
parent dc9a9cdfb9
commit d4a95fd7ab
1 changed files with 11 additions and 6 deletions
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17
src/backend/parser/scan.l
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@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.38 1998/04/08 06:35:00 thomas Exp $ * $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.39 1998/05/09 23:15:20 thomas Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -148,12 +148,13 @@ self [,()\[\].;$\:\+\-\*\/\<\>\=\|]
op_and_self [\~\!\@\#\%\^\&\|\`\?\$\:\+\-\*\/\<\>\=] op_and_self [\~\!\@\#\%\^\&\|\`\?\$\:\+\-\*\/\<\>\=]
operator {op_and_self}+ operator {op_and_self}+
xminteger {integer}/-
xmreal {real}/{space}*-{digit}
xmstop - xmstop -
integer -?{digit}+ integer [\-]?{digit}+
real -?{digit}+\.{digit}+([Ee][-+]?{digit}+)? /*
real [\-]?{digit}+\.{digit}+([Ee][-+]?{digit}+)?
*/
real [\-]?(((({digit}*\.{digit}+)|({digit}+\.{digit}*))([Ee][-+]?{digit}+)?)|({digit}+[Ee][-+]?{digit}+))
param \${integer} param \${integer}
@ -291,7 +292,8 @@ other .
{typecast} { return TYPECAST; } {typecast} { return TYPECAST; }
{self}/-[\.0-9] { {self}/{space}*-[\.0-9] {
BEGIN(xm);
return (yytext[0]); return (yytext[0]);
} }
{self} { return (yytext[0]); } {self} { return (yytext[0]); }
@ -311,6 +313,7 @@ other .
return (PARAM); return (PARAM);
} }
{identifier}/{space}*-{number} { {identifier}/{space}*-{number} {
int i; int i;
ScanKeyword *keyword; ScanKeyword *keyword;
@ -386,6 +389,8 @@ other .
CheckFloat8Val(yylval.dval); CheckFloat8Val(yylval.dval);
return (FCONST); return (FCONST);
} }
{identifier} { {identifier} {
int i; int i;
ScanKeyword *keyword; ScanKeyword *keyword;