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hyung-hwan 2006-03-27 10:19:33 +00:00
parent 55043320b8
commit 4e2d76c9a1
1 changed files with 40 additions and 17 deletions
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57
ase/awk/run.c
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@ -1,5 +1,5 @@
/* /*
* $Id: run.c,v 1.19 2006-03-26 16:36:30 bacon Exp $ * $Id: run.c,v 1.20 2006-03-27 10:19:33 bacon Exp $
*/ */
#include <xp/awk/awk.h> #include <xp/awk/awk.h>
@ -19,8 +19,10 @@
#define STACK_RETVAL(awk) STACK_AT(awk,2) #define STACK_RETVAL(awk) STACK_AT(awk,2)
#define EXIT_NONE 0 #define EXIT_NONE 0
#define EXIT_FUNCTION 1 #define EXIT_BREAK 1
#define EXIT_GLOBAL 2 #define EXIT_CONTINUE 2
#define EXIT_FUNCTION 3
#define EXIT_GLOBAL 4
static int __run_block (xp_awk_t* awk, xp_awk_nde_blk_t* nde); static int __run_block (xp_awk_t* awk, xp_awk_nde_blk_t* nde);
static int __run_statement (xp_awk_t* awk, xp_awk_nde_t* nde); static int __run_statement (xp_awk_t* awk, xp_awk_nde_t* nde);
@ -272,6 +274,17 @@ static int __run_for_statement (xp_awk_t* awk, xp_awk_nde_for_t* nde)
while (1) while (1)
{ {
if (awk->run.exit_level == EXIT_BREAK)
{
awk->run.exit_level = EXIT_NONE;
break;
}
else if (awk->run.exit_level == EXIT_CONTINUE)
{
awk->run.exit_level = EXIT_NONE;
}
else if (awk->run.exit_level != EXIT_NONE) break;
if (nde->test != XP_NULL) if (nde->test != XP_NULL)
{ {
xp_awk_val_t* test; xp_awk_val_t* test;
@ -315,35 +328,29 @@ static int __run_for_statement (xp_awk_t* awk, xp_awk_nde_for_t* nde)
static int __run_break_statement (xp_awk_t* awk, xp_awk_nde_break_t* nde) static int __run_break_statement (xp_awk_t* awk, xp_awk_nde_break_t* nde)
{ {
/* TODO: set runtime error number. awk->run.exit_level = EXIT_BREAK;
* first of all this should not happen aas the compiler detects this. */
/*
if (awk->loop_depth <= 0) return -1;
awk->run.exec_break = 1;
*/
return 0; return 0;
} }
static int __run_continue_statement (xp_awk_t* awk, xp_awk_nde_continue_t* nde) static int __run_continue_statement (xp_awk_t* awk, xp_awk_nde_continue_t* nde)
{ {
/* TODO: set runtime error number. awk->run.exit_level = EXIT_CONTINUE;
* first of all this should not happen aas the compiler detects this. */
/*
if (awk->loop_depth <= 0) return -1;
awk->run.exec_continue = 1;
*/
return 0; return 0;
} }
static int __run_return_statement (xp_awk_t* awk, xp_awk_nde_return_t* nde) static int __run_return_statement (xp_awk_t* awk, xp_awk_nde_return_t* nde)
{ {
xp_awk_val_t* val;
if (nde->val != XP_NULL) if (nde->val != XP_NULL)
{ {
xp_awk_val_t* val;
//xp_printf (XP_TEXT("returning....\n")); //xp_printf (XP_TEXT("returning....\n"));
val = __eval_expression(awk, nde->val); val = __eval_expression(awk, nde->val);
if (val == XP_NULL) return -1; if (val == XP_NULL)
{
// TODO: error handling
return -1;
}
STACK_RETVAL(awk) = val; STACK_RETVAL(awk) = val;
xp_awk_refupval (val); /* see run_funccall for the trick */ xp_awk_refupval (val); /* see run_funccall for the trick */
@ -357,6 +364,22 @@ static int __run_return_statement (xp_awk_t* awk, xp_awk_nde_return_t* nde)
static int __run_exit_statement (xp_awk_t* awk, xp_awk_nde_exit_t* nde) static int __run_exit_statement (xp_awk_t* awk, xp_awk_nde_exit_t* nde)
{ {
if (nde->val != XP_NULL)
{
xp_awk_val_t* val;
val = __eval_expression(awk, nde->val);
if (val == XP_NULL)
{
// TODO: error handling
return -1;
}
awk->run.stack[2] = val; /* global return value */
xp_awk_refupval (val);
}
awk->run.exit_level = EXIT_GLOBAL;
return 0; return 0;
} }