Bug #599: ecpg does not parse correctly define and struct in the same file

BAZIN Nicolas (nbazin(at)ingenico(dot)com(dot)au) reports a bug with a severity of 2
The lower the number the more severe it is.

Short Description
ecpg does not parse correctly define and struct in the same file

Long Description
The following example does not get pre-processed:

EXEC SQL ifndef COMMERCANT;
EXEC SQL define COMMERCANT;

EXEC SQL define CMR_CODE 10;
EXEC SQL define CMR_NUMCMR 7;
EXEC SQL define CMR_NOM 32;
EXEC SQL define CMR_ABRVNOM 15;
EXEC SQL define CMR_ADRS1 32;
EXEC SQL define CMR_ABRVADRS 15;
EXEC SQL define CMR_ADRS2 32;
EXEC SQL define CMR_TEL 15;
EXEC SQL define CMR_CODACTIVITE 4;
EXEC SQL define CMR_CODZONE 2;
EXEC SQL define CMR_CODBQE 5;
EXEC SQL define CMR_NUMBADGE 15;
EXEC SQL define CMR_DATDEBUT 10;
EXEC SQL define CMR_DATFIN 10;
EXEC SQL define CMR_TEST 1;
EXEC SQL define CMR_PLFCODE 1;

EXEC SQL BEGIN DECLARE SECTION;
struct tcommercant
{
char cmr_code [CMR_CODE+1];
char cmr_numcmr [CMR_NUMCMR+1];
char cmr_nom [CMR_NOM+1];
char cmr_abrvnom [CMR_ABRVNOM+1];
char cmr_adrs1 [CMR_ADRS1+1];
char cmr_abrvadrs [CMR_ABRVADRS+1];
char cmr_adrs2 [CMR_ADRS2+1];
char cmr_tel [CMR_TEL+1];
char cmr_codactivite [CMR_CODACTIVITE+1];
char cmr_codzone [CMR_CODZONE+1];
char cmr_codbqe [CMR_CODBQE+1];
char cmr_numbadge [CMR_NUMBADGE+1];
char cmr_datdebut [CMR_DATDEBUT+1];
char cmr_datfin [CMR_DATFIN+1];
char cmr_test [CMR_TEST+1];
char cmr_plfcode [CMR_PLFCODE+1];
};
EXEC SQL END DECLARE SECTION;

EXEC SQL endif;

The pre-processor stops at the first char declaration after struct. This can be reproduced in test1.pgc if an EXEC SQL ifndef COMMERCANT;EXEC SQL define COMMERCANT; ...;EXEC SQL endif; is added between the struct declaration.

Sample Code

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