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This commit is contained in:
hyung-hwan 2006-04-07 16:52:42 +00:00
parent 3acfc556bd
commit 86a65e2e67
5 changed files with 307 additions and 140 deletions
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5
ase/awk/awk.h
View File

@ -1,5 +1,5 @@
/*
* $Id: awk.h,v 1.44 2006-04-07 04:23:11 bacon Exp $
* $Id: awk.h,v 1.45 2006-04-07 16:52:42 bacon Exp $
*/
#ifndef _XP_AWK_AWK_H_
@ -69,7 +69,8 @@ enum
/* run time error */
XP_AWK_EDIVBYZERO, /* divide by zero */
XP_AWK_EOPERAND /* invalid operand */
XP_AWK_EOPERAND, /* invalid operand */
XP_AWK_EINTERNAL /* internal error */
};
#ifdef __cplusplus

6
ase/awk/err.c
View File

@ -1,5 +1,5 @@
/*
* $Id: err.c,v 1.6 2006-04-07 04:23:11 bacon Exp $
* $Id: err.c,v 1.7 2006-04-07 16:52:42 bacon Exp $
*/
#include <xp/awk/awk_i.h>
@ -43,7 +43,9 @@ const xp_char_t* xp_awk_geterrstr (xp_awk_t* awk)
XP_TEXT("l-value required"),
XP_TEXT("divide by zero"),
XP_TEXT("invalid operand")
XP_TEXT("invalid operand"),
XP_TEXT("internal error that should never have happened")
};
if (awk->errnum >= 0 && awk->errnum < xp_countof(__errstr)) {

2
ase/awk/parse.c
View File

@ -1,5 +1,5 @@
/*
* $Id: parse.c,v 1.73 2006-04-07 04:23:11 bacon Exp $
* $Id: parse.c,v 1.74 2006-04-07 16:52:42 bacon Exp $
*/
#include <xp/awk/awk_i.h>

385
ase/awk/run.c
View File

@ -1,5 +1,5 @@
/*
* $Id: run.c,v 1.37 2006-04-07 04:23:11 bacon Exp $
* $Id: run.c,v 1.38 2006-04-07 16:52:42 bacon Exp $
*/
#include <xp/awk/awk_i.h>
@ -40,11 +40,11 @@ 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 xp_awk_val_t* __eval_expression (xp_awk_t* awk, xp_awk_nde_t* nde);
static xp_awk_val_t* __eval_assignment (xp_awk_t* awk, xp_awk_nde_ass_t* nde);
static xp_awk_val_t* __eval_assignment (xp_awk_t* awk, xp_awk_nde_t* nde);
static xp_awk_val_t* __do_assignment (
xp_awk_t* awk, xp_awk_nde_var_t* var, xp_awk_val_t* val);
static xp_awk_val_t* __eval_binary (xp_awk_t* awk, xp_awk_nde_exp_t* nde);
static xp_awk_val_t* __eval_binary (xp_awk_t* awk, xp_awk_nde_t* nde);
static xp_awk_val_t* __eval_binop_lor (
xp_awk_t* awk, xp_awk_val_t* left, xp_awk_val_t* right);
static xp_awk_val_t* __eval_binop_land (
@ -82,16 +82,29 @@ static xp_awk_val_t* __eval_binop_div (
static xp_awk_val_t* __eval_binop_mod (
xp_awk_t* awk, xp_awk_val_t* left, xp_awk_val_t* right);
static xp_awk_val_t* __eval_unary (xp_awk_t* awk, xp_awk_nde_exp_t* nde);
static xp_awk_val_t* __eval_incpre (xp_awk_t* awk, xp_awk_nde_exp_t* nde);
static xp_awk_val_t* __eval_incpst (xp_awk_t* awk, xp_awk_nde_exp_t* nde);
static xp_awk_val_t* __eval_funccall (xp_awk_t* awk, xp_awk_nde_call_t* nde);
static xp_awk_val_t* __eval_unary (xp_awk_t* awk, xp_awk_nde_t* nde);
static xp_awk_val_t* __eval_incpre (xp_awk_t* awk, xp_awk_nde_t* nde);
static xp_awk_val_t* __eval_incpst (xp_awk_t* awk, xp_awk_nde_t* nde);
static xp_awk_val_t* __eval_call (xp_awk_t* awk, xp_awk_nde_t* nde);
static xp_awk_val_t* __eval_int (xp_awk_t* awk, xp_awk_nde_t* nde);
static xp_awk_val_t* __eval_real (xp_awk_t* awk, xp_awk_nde_t* nde);
static xp_awk_val_t* __eval_str (xp_awk_t* awk, xp_awk_nde_t* nde);
static xp_awk_val_t* __eval_named (xp_awk_t* awk, xp_awk_nde_t* nde);
static xp_awk_val_t* __eval_global (xp_awk_t* awk, xp_awk_nde_t* nde);
static xp_awk_val_t* __eval_local (xp_awk_t* awk, xp_awk_nde_t* nde);
static xp_awk_val_t* __eval_arg (xp_awk_t* awk, xp_awk_nde_t* nde);
static xp_awk_val_t* __eval_namedidx (xp_awk_t* awk, xp_awk_nde_t* nde);
static xp_awk_val_t* __eval_globalidx (xp_awk_t* awk, xp_awk_nde_t* nde);
static xp_awk_val_t* __eval_localidx (xp_awk_t* awk, xp_awk_nde_t* nde);
static xp_awk_val_t* __eval_argidx (xp_awk_t* awk, xp_awk_nde_t* nde);
static xp_awk_val_t* __eval_pos (xp_awk_t* awk, xp_awk_nde_t* nde);
static int __raw_push (xp_awk_t* awk, void* val);
static void __raw_pop (xp_awk_t* awk);
typedef xp_awk_val_t* (*binop_func_t) (
xp_awk_t* awk, xp_awk_val_t* left, xp_awk_val_t* right);
typedef xp_awk_val_t* (*eval_expr_t) (xp_awk_t* awk, xp_awk_nde_t* nde);
int __printval (xp_awk_pair_t* pair)
{
@ -485,44 +498,81 @@ static int __run_exit_statement (xp_awk_t* awk, xp_awk_nde_exit_t* nde)
static xp_awk_val_t* __eval_expression (xp_awk_t* awk, xp_awk_nde_t* nde)
{
static eval_expr_t __eval_func[] =
{
/* the order of functions here should match the order
* of node types declared in tree.h */
__eval_assignment,
__eval_binary,
__eval_unary,
__eval_incpre,
__eval_incpst,
__eval_call,
__eval_int,
__eval_real,
__eval_str,
__eval_named,
__eval_global,
__eval_local,
__eval_arg,
__eval_namedidx,
__eval_globalidx,
__eval_localidx,
__eval_argidx,
__eval_pos
};
xp_assert (nde->type >= XP_AWK_NDE_ASS &&
(nde->type - XP_AWK_NDE_ASS) < xp_countof(__eval_func));
return __eval_func[nde->type-XP_AWK_NDE_ASS] (awk, nde);
#if 0
xp_awk_val_t* val;
switch (nde->type)
{
case XP_AWK_NDE_ASS:
val = __eval_assignment (awk, (xp_awk_nde_ass_t*)nde);
if (val == XP_NULL) return XP_NULL;
break;
case XP_AWK_NDE_EXP_BIN:
val = __eval_binary (awk, (xp_awk_nde_exp_t*)nde);
if (val == XP_NULL) return XP_NULL;
break;
case XP_AWK_NDE_EXP_UNR:
val = __eval_unary (awk, (xp_awk_nde_exp_t*)nde);
if (val == XP_NULL) return XP_NULL;
break;
case XP_AWK_NDE_EXP_INCPRE:
val = __eval_incpre (awk, (xp_awk_nde_exp_t*)nde);
if (val == XP_NULL) return XP_NULL;
break;
case XP_AWK_NDE_EXP_INCPST:
val = __eval_incpst (awk, (xp_awk_nde_exp_t*)nde);
if (val == XP_NULL) return XP_NULL;
break;
case XP_AWK_NDE_INT:
val = xp_awk_makeintval (
awk, ((xp_awk_nde_int_t*)nde)->val);
if (val == XP_NULL) PANIC (awk, XP_ENOMEM);
break;
case XP_AWK_NDE_REAL:
val = xp_awk_makerealval (
awk, ((xp_awk_nde_real_t*)nde)->val);
if (val == XP_NULL) PANIC (awk, XP_ENOMEM);
break;
case XP_AWK_NDE_STR:
val = xp_awk_makestrval (
((xp_awk_nde_str_t*)nde)->buf,
((xp_awk_nde_str_t*)nde)->len);
break;
case XP_AWK_NDE_INT:
val = xp_awk_makeintval (
awk, ((xp_awk_nde_int_t*)nde)->val);
break;
case XP_AWK_NDE_REAL:
val = xp_awk_makerealval (
awk, ((xp_awk_nde_real_t*)nde)->val);
if (val == XP_NULL) PANIC (awk, XP_ENOMEM);
break;
case XP_AWK_NDE_NAMED:
@ -557,42 +607,48 @@ static xp_awk_val_t* __eval_expression (xp_awk_t* awk, xp_awk_nde_t* nde)
break;
case XP_AWK_NDE_NAMEDIDX:
// TODO:
break;
case XP_AWK_NDE_GLOBALIDX:
// TODO:
break;
case XP_AWK_NDE_LOCALIDX:
// TODO:
break;
case XP_AWK_NDE_ARGIDX:
// TODO:
break;
case XP_AWK_NDE_POS:
// TODO:
break;
case XP_AWK_NDE_CALL:
val = __eval_funccall(awk, (xp_awk_nde_call_t*)nde);
val = __eval_call (awk, (xp_awk_nde_call_t*)nde);
if (val == XP_NULL) return XP_NULL;
break;
default:
/* somthing wrong. internal error */
/* TODO: set the error code instead of assertion below */
xp_assert (!"should never happen");
return XP_NULL;
xp_assert (!"should never happen - invalid node type");
PANIC (awk, XP_AWK_EINTERNAL);
}
return val;
#endif
}
static xp_awk_val_t* __eval_assignment (xp_awk_t* awk, xp_awk_nde_ass_t* nde)
static xp_awk_val_t* __eval_assignment (xp_awk_t* awk, xp_awk_nde_t* nde)
{
xp_awk_val_t* val;
xp_awk_nde_ass_t* ass = (xp_awk_nde_ass_t*)nde;
xp_assert (nde->left != XP_NULL && nde->right != XP_NULL);
xp_assert (ass->left != XP_NULL && ass->right != XP_NULL);
val = __eval_expression(awk, nde->right);
val = __eval_expression(awk, ass->right);
if (val == XP_NULL) return XP_NULL;
return __do_assignment (awk, (xp_awk_nde_var_t*)nde->left, val);
return __do_assignment (awk, (xp_awk_nde_var_t*)ass->left, val);
}
static xp_awk_val_t* __do_assignment (
@ -649,29 +705,31 @@ static xp_awk_val_t* __do_assignment (
}
else if (var->type == XP_AWK_NDE_NAMEDIDX)
{
// TODO:
}
else if (var->type == XP_AWK_NDE_GLOBALIDX)
{
// TODO:
}
else if (var->type == XP_AWK_NDE_LOCALIDX)
{
// TODO:
}
else if (var->type == XP_AWK_NDE_ARGIDX)
{
// TODO:
}
else
{
/* this should never be reached. something wrong */
// TODO: set errnum .... error handling
return XP_NULL;
xp_assert (!"should never happen - invalid variable type");
PANIC (awk, XP_AWK_EINTERNAL);
}
return val;
}
static xp_awk_val_t* __eval_binary (xp_awk_t* awk, xp_awk_nde_exp_t* nde)
static xp_awk_val_t* __eval_binary (xp_awk_t* awk, xp_awk_nde_t* nde)
{
xp_awk_val_t* left, * right, * res;
static binop_func_t __binop_func[] =
{
__eval_binop_lor,
@ -696,15 +754,17 @@ static xp_awk_val_t* __eval_binary (xp_awk_t* awk, xp_awk_nde_exp_t* nde)
__eval_binop_div,
__eval_binop_mod
};
xp_awk_nde_exp_t* exp = (xp_awk_nde_exp_t*)nde;
xp_awk_val_t* left, * right, * res;
xp_assert (nde->type == XP_AWK_NDE_EXP_BIN);
xp_assert (exp->type == XP_AWK_NDE_EXP_BIN);
left = __eval_expression (awk, nde->left);
left = __eval_expression (awk, exp->left);
if (left == XP_NULL) return XP_NULL;
xp_awk_refupval (left);
right = __eval_expression (awk, nde->right);
right = __eval_expression (awk, exp->right);
if (right == XP_NULL)
{
xp_awk_refdownval (awk, left);
@ -713,11 +773,10 @@ static xp_awk_val_t* __eval_binary (xp_awk_t* awk, xp_awk_nde_exp_t* nde)
xp_awk_refupval (right);
xp_assert (nde->opcode >= 0 &&
nde->opcode < xp_countof(__binop_func));
xp_assert (exp->opcode >= 0 &&
exp->opcode < xp_countof(__binop_func));
res = __binop_func[nde->opcode] (awk, left, right);
// TODO: do i need to handle error here or in binop_func???
res = __binop_func[exp->opcode] (awk, left, right);
xp_awk_refdownval (awk, left);
xp_awk_refdownval (awk, right);
@ -1382,20 +1441,21 @@ static xp_awk_val_t* __eval_binop_mod (
return res;
}
static xp_awk_val_t* __eval_unary (xp_awk_t* awk, xp_awk_nde_exp_t* nde)
static xp_awk_val_t* __eval_unary (xp_awk_t* awk, xp_awk_nde_t* nde)
{
xp_awk_val_t* left, * res;
xp_awk_nde_exp_t* exp = (xp_awk_nde_exp_t*)nde;
xp_assert (nde->type == XP_AWK_NDE_EXP_UNR);
xp_assert (nde->left != XP_NULL && nde->right == XP_NULL);
xp_assert (exp->type == XP_AWK_NDE_EXP_UNR);
xp_assert (exp->left != XP_NULL && exp->right == XP_NULL);
left = __eval_expression (awk, nde->left);
left = __eval_expression (awk, exp->left);
if (left == XP_NULL) return XP_NULL;
xp_awk_refupval (left);
// TODO: a lot of things to do....
if (nde->opcode == XP_AWK_UNROP_PLUS)
if (exp->opcode == XP_AWK_UNROP_PLUS)
{
if (left->type == XP_AWK_VAL_INT)
{
@ -1416,7 +1476,7 @@ static xp_awk_val_t* __eval_unary (xp_awk_t* awk, xp_awk_nde_exp_t* nde)
return XP_NULL;
}
}
else if (nde->opcode == XP_AWK_UNROP_MINUS)
else if (exp->opcode == XP_AWK_UNROP_MINUS)
{
if (left->type == XP_AWK_VAL_INT)
{
@ -1437,7 +1497,7 @@ static xp_awk_val_t* __eval_unary (xp_awk_t* awk, xp_awk_nde_exp_t* nde)
return XP_NULL;
}
}
else if (nde->opcode == XP_AWK_UNROP_NOT)
else if (exp->opcode == XP_AWK_UNROP_NOT)
{
if (left->type == XP_AWK_VAL_INT)
{
@ -1458,7 +1518,7 @@ static xp_awk_val_t* __eval_unary (xp_awk_t* awk, xp_awk_nde_exp_t* nde)
return XP_NULL;
}
}
else if (nde->opcode == XP_AWK_UNROP_BNOT)
else if (exp->opcode == XP_AWK_UNROP_BNOT)
{
if (left->type == XP_AWK_VAL_INT)
{
@ -1478,184 +1538,203 @@ static xp_awk_val_t* __eval_unary (xp_awk_t* awk, xp_awk_nde_exp_t* nde)
return res;
}
static xp_awk_val_t* __eval_incpre (xp_awk_t* awk, xp_awk_nde_exp_t* nde)
static xp_awk_val_t* __eval_incpre (xp_awk_t* awk, xp_awk_nde_t* nde)
{
xp_awk_val_t* left, * res;
xp_awk_nde_exp_t* exp = (xp_awk_nde_exp_t*)nde;
xp_assert (nde->type == XP_AWK_NDE_EXP_INCPRE);
xp_assert (nde->left != XP_NULL && nde->right == XP_NULL);
xp_assert (exp->type == XP_AWK_NDE_EXP_INCPRE);
xp_assert (exp->left != XP_NULL && exp->right == XP_NULL);
/* ugly. but let's keep going this way for the time being */
if (nde->left->type != XP_AWK_NDE_ARG &&
nde->left->type != XP_AWK_NDE_ARGIDX &&
nde->left->type != XP_AWK_NDE_NAMED &&
nde->left->type != XP_AWK_NDE_NAMEDIDX &&
nde->left->type != XP_AWK_NDE_GLOBAL &&
nde->left->type != XP_AWK_NDE_GLOBALIDX &&
nde->left->type != XP_AWK_NDE_LOCAL &&
nde->left->type != XP_AWK_NDE_LOCALIDX)
if (exp->left->type != XP_AWK_NDE_ARG &&
exp->left->type != XP_AWK_NDE_ARGIDX &&
exp->left->type != XP_AWK_NDE_NAMED &&
exp->left->type != XP_AWK_NDE_NAMEDIDX &&
exp->left->type != XP_AWK_NDE_GLOBAL &&
exp->left->type != XP_AWK_NDE_GLOBALIDX &&
exp->left->type != XP_AWK_NDE_LOCAL &&
exp->left->type != XP_AWK_NDE_LOCALIDX)
{
// TOOD: error handling..
return XP_NULL;
PANIC (awk, XP_AWK_EOPERAND);
}
left = __eval_expression (awk, nde->left); // TODO: do it differently
left = __eval_expression (awk, exp->left); // TODO: do it differently
if (left == XP_NULL) return XP_NULL;
xp_awk_refupval (left);
if (nde->opcode == XP_AWK_UNROP_PLUS)
if (exp->opcode == XP_AWK_INCOP_PLUS)
{
if (left->type == XP_AWK_VAL_INT)
{
xp_long_t r = ((xp_awk_val_int_t*)left)->val;
res = xp_awk_makeintval (awk, r + 1);
// TODO: error handling
if (res == XP_NULL) PANIC (awk, XP_AWK_ENOMEM);
}
else if (left->type == XP_AWK_VAL_REAL)
{
xp_real_t r = ((xp_awk_val_real_t*)left)->val;
res = xp_awk_makerealval (awk, r + 1.0);
// TODO: error handling
if (res == XP_NULL) PANIC (awk, XP_AWK_ENOMEM);
}
else
{
// TOOD: error handling..
xp_awk_refdownval (awk, left);
return XP_NULL;
PANIC (awk, XP_AWK_EOPERAND);
}
}
else if (nde->opcode == XP_AWK_UNROP_MINUS)
else if (exp->opcode == XP_AWK_INCOP_MINUS)
{
if (left->type == XP_AWK_VAL_INT)
{
xp_long_t r = ((xp_awk_val_int_t*)left)->val;
res = xp_awk_makeintval (awk, r - 1);
// TODO: error handling
if (res == XP_NULL) PANIC (awk, XP_AWK_ENOMEM);
}
else if (left->type == XP_AWK_VAL_REAL)
{
xp_real_t r = ((xp_awk_val_real_t*)left)->val;
res = xp_awk_makerealval (awk, r - 1.0);
// TODO: error handling
if (res == XP_NULL) PANIC (awk, XP_AWK_ENOMEM);
}
else
{
// TOOD: error handling..
xp_awk_refdownval (awk, left);
return XP_NULL;
PANIC (awk, XP_AWK_EOPERAND);
}
}
else
{
xp_assert (!"should never happen - invalid opcode");
xp_awk_refdownval (awk, left);
PANIC (awk, XP_AWK_EINTERNAL);
}
if (__do_assignment (awk,
(xp_awk_nde_var_t*)nde->left, res) == XP_NULL)
(xp_awk_nde_var_t*)exp->left, res) == XP_NULL)
{
// TODO: error handling
xp_awk_refdownval (awk, left);
return XP_NULL;
}
xp_awk_refdownval (awk, left);
return res;
}
static xp_awk_val_t* __eval_incpst (xp_awk_t* awk, xp_awk_nde_exp_t* nde)
static xp_awk_val_t* __eval_incpst (xp_awk_t* awk, xp_awk_nde_t* nde)
{
xp_awk_val_t* left, * res, * res2;
xp_awk_nde_exp_t* exp = (xp_awk_nde_exp_t*)nde;
xp_assert (nde->type == XP_AWK_NDE_EXP_INCPST);
xp_assert (nde->left != XP_NULL && nde->right == XP_NULL);
xp_assert (exp->type == XP_AWK_NDE_EXP_INCPST);
xp_assert (exp->left != XP_NULL && exp->right == XP_NULL);
/* ugly. but let's keep going this way for the time being */
if (nde->left->type != XP_AWK_NDE_ARG &&
nde->left->type != XP_AWK_NDE_ARGIDX &&
nde->left->type != XP_AWK_NDE_NAMED &&
nde->left->type != XP_AWK_NDE_NAMEDIDX &&
nde->left->type != XP_AWK_NDE_GLOBAL &&
nde->left->type != XP_AWK_NDE_GLOBALIDX &&
nde->left->type != XP_AWK_NDE_LOCAL &&
nde->left->type != XP_AWK_NDE_LOCALIDX) // TODO: what about NDE_POS?
if (exp->left->type != XP_AWK_NDE_ARG &&
exp->left->type != XP_AWK_NDE_ARGIDX &&
exp->left->type != XP_AWK_NDE_NAMED &&
exp->left->type != XP_AWK_NDE_NAMEDIDX &&
exp->left->type != XP_AWK_NDE_GLOBAL &&
exp->left->type != XP_AWK_NDE_GLOBALIDX &&
exp->left->type != XP_AWK_NDE_LOCAL &&
exp->left->type != XP_AWK_NDE_LOCALIDX)
{
// TOOD: error handling..
return XP_NULL;
PANIC (awk, XP_AWK_EOPERAND);
}
left = __eval_expression (awk, nde->left); // TODO: do it differently
left = __eval_expression (awk, exp->left); // TODO: do it differently
if (left == XP_NULL) return XP_NULL;
xp_awk_refupval (left);
left = __eval_expression (awk, nde->left); // TODO: get the actual target...
if (left == XP_NULL) return XP_NULL;
xp_awk_refupval (left);
if (nde->opcode == XP_AWK_UNROP_PLUS)
if (exp->opcode == XP_AWK_INCOP_PLUS)
{
if (left->type == XP_AWK_VAL_INT)
{
xp_long_t r = ((xp_awk_val_int_t*)left)->val;
res = xp_awk_makeintval (awk, r);
// TODO: error handling
if (res == XP_NULL) PANIC (awk, XP_AWK_ENOMEM);
res2 = xp_awk_makeintval (awk, r + 1);
// TODO: error handling
if (res2 == XP_NULL)
{
xp_awk_freeval (awk, res);
PANIC (awk, XP_AWK_ENOMEM);
}
}
else if (left->type == XP_AWK_VAL_REAL)
{
xp_real_t r = ((xp_awk_val_real_t*)left)->val;
res = xp_awk_makerealval (awk, r);
// TODO: error handling
if (res == XP_NULL) PANIC (awk, XP_AWK_ENOMEM);
res2 = xp_awk_makerealval (awk, r + 1.0);
// TODO: error handling
if (res2 == XP_NULL)
{
xp_awk_freeval (awk, res);
PANIC (awk, XP_AWK_ENOMEM);
}
}
else
{
xp_awk_refdownval (awk, left);
return XP_NULL;
PANIC (awk, XP_AWK_EOPERAND);
}
}
else if (nde->opcode == XP_AWK_UNROP_MINUS)
else if (exp->opcode == XP_AWK_INCOP_MINUS)
{
if (left->type == XP_AWK_VAL_INT)
{
xp_long_t r = ((xp_awk_val_int_t*)left)->val;
res = xp_awk_makeintval (awk, r);
// TODO: error handling
if (res == XP_NULL) PANIC (awk, XP_AWK_ENOMEM);
res2 = xp_awk_makeintval (awk, r - 1);
// TODO: error handling
if (res2 == XP_NULL)
{
xp_awk_freeval (awk, res);
PANIC (awk, XP_AWK_ENOMEM);
}
}
else if (left->type == XP_AWK_VAL_REAL)
{
xp_real_t r = ((xp_awk_val_real_t*)left)->val;
res = xp_awk_makerealval (awk, r);
// TODO: error handling
if (res == XP_NULL) PANIC (awk, XP_AWK_ENOMEM);
res2 = xp_awk_makerealval (awk, r - 1.0);
// TODO: error handling
if (res2 == XP_NULL)
{
xp_awk_freeval (awk, res);
PANIC (awk, XP_AWK_ENOMEM);
}
}
else
{
xp_awk_refdownval (awk, left);
return XP_NULL;
PANIC (awk, XP_AWK_EOPERAND);
}
}
else
{
xp_assert (!"should never happen - invalid opcode");
xp_awk_refdownval (awk, left);
PANIC (awk, XP_AWK_EINTERNAL);
}
if (__do_assignment (awk,
(xp_awk_nde_var_t*)nde->left, res2) == XP_NULL)
(xp_awk_nde_var_t*)exp->left, res2) == XP_NULL)
{
// TODO: error handling
xp_awk_refdownval (awk, left);
return XP_NULL;
}
xp_awk_refdownval (awk, left);
return res;
}
static xp_awk_val_t* __eval_funccall (xp_awk_t* awk, xp_awk_nde_call_t* nde)
static xp_awk_val_t* __eval_call (xp_awk_t* awk, xp_awk_nde_t* nde)
{
xp_awk_func_t* func;
xp_awk_pair_t* pair;
@ -1663,8 +1742,9 @@ static xp_awk_val_t* __eval_funccall (xp_awk_t* awk, xp_awk_nde_call_t* nde)
xp_size_t nargs, i;
xp_awk_val_t* v;
xp_size_t saved_stack_top;
xp_awk_nde_call_t* call = (xp_awk_nde_call_t*)nde;
pair = xp_awk_map_get (&awk->tree.funcs, nde->name);
pair = xp_awk_map_get (&awk->tree.funcs, call->name);
if (pair == XP_NULL) return XP_NULL; /* no such function */
/*
@ -1721,7 +1801,7 @@ static xp_awk_val_t* __eval_funccall (xp_awk_t* awk, xp_awk_nde_call_t* nde)
}
nargs = 0;
p = nde->args;
p = call->args;
while (p != XP_NULL)
{
v = __eval_expression(awk,p);
@ -1788,6 +1868,91 @@ static xp_awk_val_t* __eval_funccall (xp_awk_t* awk, xp_awk_nde_call_t* nde)
return v;
}
static xp_awk_val_t* __eval_int (xp_awk_t* awk, xp_awk_nde_t* nde)
{
xp_awk_val_t* val;
val = xp_awk_makeintval (
awk, ((xp_awk_nde_int_t*)nde)->val);
if (val == XP_NULL) PANIC (awk, XP_AWK_ENOMEM);
return val;
}
static xp_awk_val_t* __eval_real (xp_awk_t* awk, xp_awk_nde_t* nde)
{
xp_awk_val_t* val;
val = xp_awk_makerealval (
awk, ((xp_awk_nde_real_t*)nde)->val);
if (val == XP_NULL) PANIC (awk, XP_AWK_ENOMEM);
return val;
}
static xp_awk_val_t* __eval_str (xp_awk_t* awk, xp_awk_nde_t* nde)
{
xp_awk_val_t* val;
val = xp_awk_makestrval (
((xp_awk_nde_str_t*)nde)->buf,
((xp_awk_nde_str_t*)nde)->len);
if (val == XP_NULL) PANIC (awk, XP_AWK_ENOMEM);
return val;
}
static xp_awk_val_t* __eval_named (xp_awk_t* awk, xp_awk_nde_t* nde)
{
xp_awk_pair_t* pair;
xp_awk_nde_var_t* tgt = (xp_awk_nde_var_t*)nde;
pair = xp_awk_map_get(&awk->run.named,tgt->id.name);
return (pair == XP_NULL)? xp_awk_val_nil: pair->val;
}
static xp_awk_val_t* __eval_global (xp_awk_t* awk, xp_awk_nde_t* nde)
{
xp_awk_nde_var_t* tgt = (xp_awk_nde_var_t*)nde;
return STACK_GLOBAL(awk,tgt->id.idxa);
}
static xp_awk_val_t* __eval_local (xp_awk_t* awk, xp_awk_nde_t* nde)
{
xp_awk_nde_var_t* tgt = (xp_awk_nde_var_t*)nde;
return STACK_LOCAL(awk,tgt->id.idxa);
}
static xp_awk_val_t* __eval_arg (xp_awk_t* awk, xp_awk_nde_t* nde)
{
xp_awk_nde_var_t* tgt = (xp_awk_nde_var_t*)nde;
return STACK_ARG(awk,tgt->id.idxa);
}
static xp_awk_val_t* __eval_namedidx (xp_awk_t* awk, xp_awk_nde_t* nde)
{
// TODO:
return XP_NULL;
}
static xp_awk_val_t* __eval_globalidx (xp_awk_t* awk, xp_awk_nde_t* nde)
{
// TODO:
return XP_NULL;
}
static xp_awk_val_t* __eval_localidx (xp_awk_t* awk, xp_awk_nde_t* nde)
{
// TODO:
return XP_NULL;
}
static xp_awk_val_t* __eval_argidx (xp_awk_t* awk, xp_awk_nde_t* nde)
{
// TODO:
return XP_NULL;
}
static xp_awk_val_t* __eval_pos (xp_awk_t* awk, xp_awk_nde_t* nde)
{
// TODO:
return XP_NULL;
}
static int __raw_push (xp_awk_t* awk, void* val)
{
if (awk->run.stack_top >= awk->run.stack_limit)

47
ase/awk/tree.h
View File

@ -1,5 +1,5 @@
/*
* $Id: tree.h,v 1.29 2006-04-02 12:41:14 bacon Exp $
* $Id: tree.h,v 1.30 2006-04-07 16:52:42 bacon Exp $
*/
#ifndef _XP_AWK_TREE_H_
@ -13,28 +13,8 @@ enum
{
XP_AWK_NDE_NULL,
/* statement */
XP_AWK_NDE_BLK,
XP_AWK_NDE_ASS,
XP_AWK_NDE_EXP_BIN,
XP_AWK_NDE_EXP_UNR,
XP_AWK_NDE_EXP_INCPRE,
XP_AWK_NDE_EXP_INCPST,
XP_AWK_NDE_INT,
XP_AWK_NDE_REAL,
XP_AWK_NDE_STR,
XP_AWK_NDE_NAMED,
XP_AWK_NDE_NAMEDIDX,
XP_AWK_NDE_GLOBAL,
XP_AWK_NDE_GLOBALIDX,
XP_AWK_NDE_LOCAL,
XP_AWK_NDE_LOCALIDX,
XP_AWK_NDE_ARG,
XP_AWK_NDE_ARGIDX,
XP_AWK_NDE_POS,
XP_AWK_NDE_CALL,
XP_AWK_NDE_IF,
XP_AWK_NDE_WHILE,
XP_AWK_NDE_DOWHILE,
@ -43,9 +23,28 @@ enum
XP_AWK_NDE_CONTINUE,
XP_AWK_NDE_RETURN,
XP_AWK_NDE_EXIT,
XP_AWK_NDE_NEXT,
XP_AWK_NDE_NEXTFILE
XP_AWK_NDE_NEXTFILE,
/* expression */
XP_AWK_NDE_ASS,
XP_AWK_NDE_EXP_BIN,
XP_AWK_NDE_EXP_UNR,
XP_AWK_NDE_EXP_INCPRE,
XP_AWK_NDE_EXP_INCPST,
XP_AWK_NDE_CALL,
XP_AWK_NDE_INT,
XP_AWK_NDE_REAL,
XP_AWK_NDE_STR,
XP_AWK_NDE_NAMED,
XP_AWK_NDE_GLOBAL,
XP_AWK_NDE_LOCAL,
XP_AWK_NDE_ARG,
XP_AWK_NDE_NAMEDIDX,
XP_AWK_NDE_GLOBALIDX,
XP_AWK_NDE_LOCALIDX,
XP_AWK_NDE_ARGIDX,
XP_AWK_NDE_POS
};
typedef struct xp_awk_func_t xp_awk_func_t;