/* Interpret a single statement or block of code. When
interp_block() returns from its initial call, the final
brace (or a return) in main() has been encountered.
*/
void interp_block(void)
{
int value;
char block = 0;
do {
token_type = get_token();
/* If interpreting single statement, return on
first semicolon.
*/
/* see what kind of token is up */
if(token_type == IDENTIFIER) {
/* Not a keyword, so process expression. */
putback(); /* restore token to input stream for
further processing by eval_exp() */
eval_exp(&value); /* process the expression */
if(*token!=';') sntx_err(SEMI_EXPECTED);
}
else if(token_type==BLOCK) { /* if block delimiter */
if(*token == '{') /* is a block */
block = 1; /* interpreting block, not statement */
else return; /* is a }, so return */
}
else /* is keyword */
switch(tok) {
case CHAR:
case INT: /* declare local variables */
putback();
decl_local();
break;
case RETURN: /* return from function call */
func_ret();
return;
case IF: /* process an if statement */
exec_if();
break;
case ELSE: /* process an else statement */
find_eob(); /* find end of else block
and continue execution */
break;
case WHILE: /* process a while loop */
exec_while();
break;
case DO: /* process a do-while loop */
exec_do();
break;
case FOR: /* process a for loop */
exec_for();
break;
case END:
exit(0);
}
} while (tok != FINISHED && block);
}
void exec_conditional(env_t* env, ast_t* ast) {
/* if */
if(exec_if(env, ast->data.conditional.if_statement)) {
return;
} else {
if(ast->data.conditional.elif_statements != NULL) {
size_t i;
/* elif */
for(i = 0; i < ast->data.conditional.elif_statements->data.elif_statements.count; i++) {
if(exec_if(env, ast->data.conditional.elif_statements->data.elif_statements.elif_statements[i])) {
return;
}
}
}
if(ast->data.conditional.else_statement != NULL) {
/* else */
exec_statements(env, ast->data.conditional.else_statement);
}
}
}
static void unit_mod_inet_time(XmlTag *tag, XmlTag **ans)
{
DEFINE_XTV(XTV_INET_ID, XTV_ETIME_START_, XTV_ETIME_END_);
MbbInetPoolEntry *entry;
time_t start, end;
gint id;
start = end = MBB_TIME_UNSET;
MBB_XTV_CALL(&id, &start, &end);
if (start == MBB_TIME_UNSET && end == MBB_TIME_UNSET) final
*ans = mbb_xml_msg(MBB_MSG_TIME_MISSED);
mbb_lock_writer_lock();
on_final { mbb_lock_writer_unlock(); }
entry = mbb_inet_pool_get(mbb_unit_get_pool(), id);
if (entry == NULL) final
*ans = mbb_xml_msg(MBB_MSG_UNKNOWN_INET);
exec_if(start = entry->start, start == MBB_TIME_UNSET);
exec_if(end = entry->end, end == MBB_TIME_UNSET);
*ans = mbb_time_test_order(start, end,
mbb_unit_get_start(entry->owner->ptr),
mbb_unit_get_end(entry->owner->ptr));
if (*ans == NULL) {
GError *error = NULL;
if (! mbb_db_inet_pool_mod_time(entry->id, start, end, &error))
final *ans = mbb_xml_msg_from_error(error);
}
void interp_block()
{
int value;
char block = 0;
do {
token_type = get_token();
if(token_type==IDENTIFIER) {
putback();
eval_exp(&value);
if(*token!=';') sntx_err(SEMI_EXPECTED);
}
else if(token_type==BLOCK) {
if(*token=='{')
block = 1;
else
return;
}
else switch(tok) {
case CHAR:
case INT:
putback();
decl_local();
break;
case RETURN:
func_ret();
return;
case IF:
exec_if();
break;
case ELSE:
find_eob();
break;
case WHILE:
exec_while();
break;
case DO:
exec_do();
break;
case FOR: exec_for();
break;
case END:
return;
}
} while (tok != FINISHED && block);
}
int run_program(char* p_buf){
int i;
// I REMOVED THIS AND PUT IT IN FRONT OF THE CALL...
//NMS-REMOVAL init_namespace();// Do you need it? May be you want to use the same namespace
prog = p_buf;
scan_labels(); /* find the labels in the program */
ftos = 0; /* initialize the FOR stack index */
gtos = 0; /* initialize the GOSUB stack index */
do {
bas_token_type = get_token();
// printf("ttype=%d bas_tok=%d <%s>\n", bas_token_type, bas_tok, bas_token);
/* check for assignment statement */
if(bas_token_type==VARIABLE) {
putback(); /* return the var to the input stream */
assignment(); /* must be assignment statement */
}
else /* is command */
switch(bas_tok) {
case PRINT:
print();
break;
case GOTO:
exec_goto();
break;
case IF:
exec_if();
break;
case FOR:
exec_for();
break;
case NEXT:
next();
break;
case INPUT:
input();
break;
case GOSUB:
gosub();
break;
case RETURN:
greturn();
break;
case COMMENT:
do{
get_token();
if(bas_tok==EOL || bas_tok==FINISHED) break;
} while (1==1);
break;
case CONTINUE:
do{
get_token();
if(bas_tok==EOL || bas_tok==FINISHED) break;
} while (1==1);
break;
case END:
printf("variables----------------------------%s\n","");
for (i=0;i<varnamelast;i++){
printf("%14s - %19.7f\n", varname[i] , variables[i] );
}
exit(0);
}
} while (bas_tok != FINISHED);
return 0;
}// run_program