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/* Copyright comment! */
%{
#include <sys/types.h>
#include <limits.h>
#if defined(HAVE_STRING_H)
#include <string.h>
#else
#include <strings.h>
#endif
#include "type.h"
#include "y.tab.h"
#include "extern.h"
struct _yy_buffer { YY_BUFFER_STATE buffer;
long lineno;
char * filename;
struct _yy_buffer * next;
} *yy_buffer = NULL;
#define dbg(arg) if (debugging) fprintf(stderr, "DEBUG, %d: %s\n", yylineno, #arg);
%}
%option yylineno
%s C SQL incl
ccomment \/\*([^*]|\*[^/]|\*\*[^/])*\*\/
ws ([ \t\n][ \t\n]*|{ccomment})*
letter [A-Za-z_]
digit [0-9]
length {digit}+
symbol {letter}({letter}|{digit})*
label ({letter}|{digit})*
string '[^']*'
abort [aA][bB][oO][rR][tT]
begin [bB][eE][gG][iI][nN]
commit [cC][oO][mM][mM][iI][tT]
connect [cC][oO][nN][nN][eE][cC][tT]
continue [cC][oO][nN][tT][iI][nN][uU][eE]
declare [dD][eE][cC][lL][aA][rR][eE]
do [dD][oO]
end [eE][nN][dD]
exec [eE][xX][eE][cC]
execute [eE][xX][eE][cC][uU][tT][eE]
fetch [fF][eE][tT][cC][hH]
found [fF][oO][uU][nN][dD]
from [fF][rR][oO][mM]
go [gG][oO]
goto [gG][oO][tT][oO]
immediate [iI][mM][mM][eE][dD][iI][aA][tT][eE]
include [iI][nN][cC][lL][uU][dD][eE]
in [iI][nN]
into [iI][nN][tT][oO]
not [nN][oO][tT]
open [oO][pP][eE][nN]
release [rR][eE][lL][eE][aA][sS][eE]
rollback [rR][oO][lL][lL][bB][aA][cC][kK]
section [sS][eE][cC][tT][iI][oO][nN]
sql [sS][qQ][lL]
sqlerror [sS][qQ][lL][eE][rR][rR][oO][rR]
sqlprint [sS][qQ][lL][pP][rR][iI][nN][tT]
stop [sS][tT][oO][pP]
transaction [tT][rR][aA][nN][sS][aA][cC][tT][iI][oO][nN]
to [tT][oO]
varchar [vV][aA][rR][cC][hH][aA][rR]
varchar2 [vV][aA][rR][cC][hH][aA][rR]2
whenever [wW][hH][eE][nN][eE][vV][eE][rR]
work [wW][oO][rR][kK]
vacuum [vV][aA][cC][uU][uU][mM]
%%
<C>{exec}{ws}{sql} { BEGIN SQL; dbg(SQL_START); return SQL_START; }
<SQL>";" { BEGIN C; dbg(SQL_SEMI); return SQL_SEMI; }
<SQL>{abort} { dbg(SQL_ABORT); return SQL_ABORT; }
<SQL>{begin} { dbg(SQL_BEGIN); return SQL_BEGIN; }
<SQL>{end} { dbg(SQL_END); return SQL_END; }
<SQL>{declare} { dbg(SQL_DECLARE); return SQL_DECLARE; }
<SQL>{execute} { dbg(SQL_EXECUTE); return SQL_EXECUTE; }
<SQL>{immediate} { dbg(SQL_IMMEDIATE); return SQL_IMMEDIATE; }
<SQL>{section} { dbg(SQL_SECTION); return SQL_SECTION; }
<SQL>{connect} { dbg(SQL_CONNECT); return SQL_CONNECT; }
<SQL>{open} { dbg(SQL_OPEN); return SQL_OPEN; }
<SQL>{commit} { dbg(SQL_COMMIT); return SQL_COMMIT; }
<SQL>{release} { dbg(SQL_RELEASE); return SQL_RELEASE; }
<SQL>{work} { dbg(SQL_WORK); return SQL_WORK; }
<SQL>{fetch} { dbg(SQL_FETCH); return SQL_FETCH; }
<SQL>{rollback} { dbg(SQL_ROLLBACK); return SQL_ROLLBACK; }
<SQL>{whenever} { dbg(SQL_WHENEVER); return SQL_WHENEVER; }
<SQL>{sqlerror} { dbg(SQL_SQLERROR); return SQL_SQLERROR; }
<SQL>{sqlprint} { dbg(SQL_SQLPRINT); return SQL_SQLPRINT; }
<SQL>{not}{ws}{found} { dbg(SQL_NOT_FOUND); return SQL_NOT_FOUND; }
<SQL>{continue} { dbg(SQL_CONTINUE); return SQL_CONTINUE; }
<SQL>{into} { dbg(SQL_INTO); return SQL_INTO; }
<SQL>{in} { dbg(SQL_IN); return SQL_IN; }
<SQL>{goto} { dbg(SQL_GOTO); return SQL_GOTO; }
<SQL>{go}{ws}{to} { dbg(SQL_GOTO); return SQL_GOTO; }
<SQL>{stop} { dbg(SQL_STOP); return SQL_STOP; }
<SQL>{do} { dbg(SQL_DO); return SQL_DO; }
<SQL>{from} { dbg(SQL_FROM); return SQL_FROM; }
<SQL>{transaction} { dbg(SQL_TRANSACTION); return SQL_TRANSACTION; }
<SQL>{vacuum} { dbg(SQL_VACUUM); return SQL_VACUUM; }
<C>{exec}{ws}{sql}{ws}{include} { BEGIN(incl); }
<incl>{ws} /* eat the whitespace */
<incl>[^ \t\n]+ { /* got the include file name */
struct _yy_buffer *yb;
struct _include_path *ip;
char inc_file[PATH_MAX];
yb = mm_alloc(sizeof(struct _yy_buffer));
yb->buffer = YY_CURRENT_BUFFER;
yb->lineno = yylineno;
yb->filename = input_filename;
yb->next = yy_buffer;
yy_buffer = yb;
if (yytext[strlen(yytext) - 1] == ';')
yytext[strlen(yytext) - 1] = '\0';
yyin = NULL;
for (ip = include_paths; yyin == NULL && ip != NULL; ip = ip->next)
{
if (strlen(ip->path) + strlen(yytext) + 3 > PATH_MAX)
{
fprintf(stderr, "Path %s/%s is too long, skipping.\n", ip->path, yytext);
continue;
}
sprintf (inc_file, "%s/%s", ip->path, yytext);
yyin = fopen( inc_file, "r" );
if (!yyin)
{
if (strcmp(inc_file + strlen(inc_file) - 2, ".h"))
{
strcat(inc_file, ".h");
yyin = fopen( inc_file, "r" );
}
}
}
if (!yyin)
{
fprintf(stderr, "Cannot open include file %s\n", yytext);
exit(1);
}
input_filename = strdup(inc_file);
yy_switch_to_buffer(yy_create_buffer(yyin,YY_BUF_SIZE ));
yylineno = 0;
BEGIN C;
}
<incl>";" { BEGIN C; }
{length} { dbg(S_LENGTH); return S_LENGTH; }
{varchar} { dbg(S_VARCHAR); return S_VARCHAR; }
{varchar2} { dbg(S_VARCHAR2); return S_VARCHAR2; }
long { dbg(S_LONG); return S_LONG; }
short { dbg(S_SHORT); return S_SHORT; }
int { dbg(S_INT); return S_INT; }
char { dbg(S_CHAR); return S_CHAR; }
float { dbg(S_FLOAT); return S_FLOAT; }
double { dbg(S_DOUBLE); return S_DOUBLE; }
bool { dbg(S_BOOL); return S_BOOL; }
static { dbg(S_STATIC); return S_STATIC; }
signed { dbg(S_SIGNED); return S_SIGNED; }
extern { dbg(S_EXTERN); return S_EXTERN; }
auto { dbg(S_AUTO); return S_AUTO; }
const { dbg(S_CONST); return S_CONST; }
register { dbg(S_REGISTER); return S_REGISTER; }
struct { dbg(S_STRUCT); return S_STRUCT; }
{string} { dbg(SQL_STRING); return SQL_STRING; }
<SQL>{ws} ;
{symbol} { dbg(S_SYMBOL); return S_SYMBOL; }
{label} { dbg(S_LABEL); return S_LABEL; }
<SQL>"!<" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"!>" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"!^" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"!|" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"!~" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"!~*" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"#<" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"#<=" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"#<>" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"#=" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"#>" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"#>=" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"&&" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"&<" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"&>" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"<<" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"<=" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"<===>" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"<>" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"<?>" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"===>" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"===`" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"=|=" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>">=" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>">>" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"@@" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"|/" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"||/" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"~*" { dbg(S_SYMBOL); return S_SYMBOL; }
<SQL>"~=" { dbg(S_SYMBOL); return S_SYMBOL; }
"[" { dbg([); return '['; }
"]" { dbg(]); return ']'; }
";" { dbg(;); return ';'; }
"=" { dbg(=); return '='; }
"," { dbg(komma); return ','; }
\( { dbg(braceopen); return '('; }
\) { dbg(braceclose); return ')'; }
\{ { dbg(blockstart); return '{'; }
\} { dbg(blockend); return '}'; }
\* { dbg(*); return('*'); }
<SQL>":" { dbg(:); return ':'; }
<SQL>"::" { dbg(SQL_CONV); return SQL_CONV; }
{ws} { ECHO; }
. { dbg(.); return S_ANYTHING; }
<<EOF>> { if (yy_buffer == NULL)
yyterminate();
else
{
struct _yy_buffer *yb = yy_buffer;
if (yyin != NULL)
fclose(yyin);
yy_delete_buffer( YY_CURRENT_BUFFER );
yy_switch_to_buffer(yy_buffer->buffer);
yylineno = yy_buffer->lineno;
free(input_filename);
input_filename = yy_buffer->filename;
yy_buffer = yy_buffer->next;
free(yb);
}
}
%%
void
lex_init(void)
{
braces_open = 0;
BEGIN C;
}
int yywrap(void)
{
return 1;
}
|
