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qse/ase/awk/tree.c

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/*
* $Id: tree.c,v 1.73 2006-09-02 14:58:28 bacon Exp $
*/
#include <xp/awk/awk_i.h>
#ifndef XP_AWK_STAND_ALONE
#include <xp/bas/memory.h>
#include <xp/bas/assert.h>
#include <xp/bas/stdio.h>
#endif
static const xp_char_t* __assop_str[] =
{
XP_T("="),
XP_T("+="),
XP_T("-="),
XP_T("*="),
XP_T("/="),
XP_T("%="),
XP_T("**=")
};
static const xp_char_t* __binop_str[] =
{
XP_T("||"),
XP_T("&&"),
XP_T("in"),
XP_T("|"),
XP_T("^"),
XP_T("&"),
XP_T("=="),
XP_T("!="),
XP_T(">"),
XP_T(">="),
XP_T("<"),
XP_T("<="),
XP_T("<<"),
XP_T(">>"),
XP_T("+"),
XP_T("-"),
XP_T("*"),
XP_T("/"),
XP_T("%"),
XP_T("**"),
XP_T(" "),
XP_T("~"),
XP_T("!~")
};
static const xp_char_t* __unrop_str[] =
{
XP_T("+"),
XP_T("-"),
XP_T("!"),
XP_T("~")
};
static const xp_char_t* __incop_str[] =
{
XP_T("++"),
XP_T("--"),
XP_T("++"),
XP_T("--")
};
static const xp_char_t* __getline_inop_str[] =
{
XP_T("|"),
XP_T("|&"),
XP_T("<"),
XP_T("")
};
static const xp_char_t* __print_outop_str[] =
{
XP_T("|"),
XP_T("|&"),
XP_T(">"),
XP_T(">>"),
XP_T("")
};
#define PUT_SRCSTR(awk,str) \
do { if (xp_awk_putsrcstr (awk, str) == -1) return -1; } while (0)
#define PUT_SRCSTRX(awk,str,len) \
do { if (xp_awk_putsrcstrx (awk, str, len) == -1) return -1; } while (0)
#define PRINT_TABS(awk,depth) \
do { if (__print_tabs(awk,depth) == -1) return -1; } while (0)
#define PRINT_EXPRESSION(awk,nde) \
do { if (__print_expression(awk,nde) == -1) return -1; } while (0)
#define PRINT_EXPRESSION_LIST(awk,nde) \
do { if (__print_expression_list(awk,nde) == -1) return -1; } while (0)
#define PRINT_STATEMENTS(awk,nde,depth) \
do { if (__print_statements(awk,nde,depth) == -1) return -1; } while (0)
static int __print_tabs (xp_awk_t* awk, int depth);
static int __print_expression (xp_awk_t* awk, xp_awk_nde_t* nde);
static int __print_expression_list (xp_awk_t* awk, xp_awk_nde_t* tree);
static int __print_statements (xp_awk_t* awk, xp_awk_nde_t* tree, int depth);
static int __print_tabs (xp_awk_t* awk, int depth)
{
while (depth > 0)
{
PUT_SRCSTR (awk, XP_T("\t"));
depth--;
}
return 0;
}
static int __print_expression (xp_awk_t* awk, xp_awk_nde_t* nde)
{
switch (nde->type)
{
case XP_AWK_NDE_GRP:
{
xp_awk_nde_t* p = ((xp_awk_nde_grp_t*)nde)->body;
PUT_SRCSTR (awk, XP_T("("));
while (p != XP_NULL)
{
PRINT_EXPRESSION (awk, p);
if (p->next != XP_NULL)
PUT_SRCSTR (awk, XP_T(","));
p = p->next;
}
PUT_SRCSTR (awk, XP_T(")"));
break;
}
case XP_AWK_NDE_ASS:
{
xp_awk_nde_ass_t* px = (xp_awk_nde_ass_t*)nde;
PRINT_EXPRESSION (awk, px->left);
PUT_SRCSTR (awk, XP_T(" "));
PUT_SRCSTR (awk, __assop_str[px->opcode]);
PUT_SRCSTR (awk, XP_T(" "));
PRINT_EXPRESSION (awk, px->right);
xp_assert (px->right->next == XP_NULL);
break;
}
case XP_AWK_NDE_EXP_BIN:
{
xp_awk_nde_exp_t* px = (xp_awk_nde_exp_t*)nde;
PUT_SRCSTR (awk, XP_T("("));
PRINT_EXPRESSION (awk, px->left);
xp_assert (px->left->next == XP_NULL);
PUT_SRCSTR (awk, XP_T(" "));
PUT_SRCSTR (awk, __binop_str[px->opcode]);
PUT_SRCSTR (awk, XP_T(" "));
if (px->right->type == XP_AWK_NDE_ASS)
PUT_SRCSTR (awk, XP_T("("));
PRINT_EXPRESSION (awk, px->right);
if (px->right->type == XP_AWK_NDE_ASS)
PUT_SRCSTR (awk, XP_T(")"));
xp_assert (px->right->next == XP_NULL);
PUT_SRCSTR (awk, XP_T(")"));
break;
}
case XP_AWK_NDE_EXP_UNR:
{
xp_awk_nde_exp_t* px = (xp_awk_nde_exp_t*)nde;
xp_assert (px->right == XP_NULL);
PUT_SRCSTR (awk, __unrop_str[px->opcode]);
PUT_SRCSTR (awk, XP_T("("));
PRINT_EXPRESSION (awk, px->left);
PUT_SRCSTR (awk, XP_T(")"));
break;
}
case XP_AWK_NDE_EXP_INCPRE:
{
xp_awk_nde_exp_t* px = (xp_awk_nde_exp_t*)nde;
xp_assert (px->right == XP_NULL);
PUT_SRCSTR (awk, __incop_str[px->opcode]);
PUT_SRCSTR (awk, XP_T("("));
PRINT_EXPRESSION (awk, px->left);
PUT_SRCSTR (awk, XP_T(")"));
break;
}
case XP_AWK_NDE_EXP_INCPST:
{
xp_awk_nde_exp_t* px = (xp_awk_nde_exp_t*)nde;
xp_assert (px->right == XP_NULL);
PUT_SRCSTR (awk, XP_T("("));
PRINT_EXPRESSION (awk, px->left);
PUT_SRCSTR (awk, XP_T(")"));
PUT_SRCSTR (awk, __incop_str[px->opcode]);
break;
}
case XP_AWK_NDE_CND:
{
xp_awk_nde_cnd_t* px = (xp_awk_nde_cnd_t*)nde;
PUT_SRCSTR (awk, XP_T("("));
PRINT_EXPRESSION (awk, px->test);
PUT_SRCSTR (awk, XP_T(")?"));
PRINT_EXPRESSION (awk, px->left);
PUT_SRCSTR (awk, XP_T(":"));
PRINT_EXPRESSION (awk, px->right);
break;
}
case XP_AWK_NDE_INT:
{
xp_char_t tmp[xp_sizeof(xp_long_t)*8+2];
xp_size_t n;
n = xp_awk_longtostr (
((xp_awk_nde_int_t*)nde)->val,
10, XP_NULL, tmp, xp_countof(tmp));
PUT_SRCSTRX (awk, tmp, n);
break;
}
case XP_AWK_NDE_REAL:
{
xp_char_t tmp[128];
xp_awk_sprintf (
awk, tmp, xp_countof(tmp), XP_T("%Lf"),
(long double)((xp_awk_nde_real_t*)nde)->val);
PUT_SRCSTR (awk, tmp);
break;
}
case XP_AWK_NDE_STR:
{
/* TODO: ESCAPING */
PUT_SRCSTR (awk, XP_T("\""));
PUT_SRCSTRX (awk,
((xp_awk_nde_str_t*)nde)->buf,
((xp_awk_nde_str_t*)nde)->len);
PUT_SRCSTR (awk, XP_T("\""));
break;
}
case XP_AWK_NDE_REX:
{
/* TODO: buf, len */
PUT_SRCSTR (awk, XP_T("/"));
PUT_SRCSTRX (awk,
((xp_awk_nde_rex_t*)nde)->buf,
((xp_awk_nde_rex_t*)nde)->len);
PUT_SRCSTR (awk, XP_T("/"));
break;
}
case XP_AWK_NDE_ARG:
{
xp_char_t tmp[xp_sizeof(xp_long_t)*8+2];
xp_size_t n;
xp_awk_nde_var_t* px = (xp_awk_nde_var_t*)nde;
xp_assert (px->id.idxa != (xp_size_t)-1);
n = xp_awk_longtostr (
px->id.idxa, 10, XP_NULL, tmp, xp_countof(tmp));
PUT_SRCSTR (awk, XP_T("__param"));
PUT_SRCSTRX (awk, tmp, n);
xp_assert (px->idx == XP_NULL);
break;
}
case XP_AWK_NDE_ARGIDX:
{
xp_char_t tmp[xp_sizeof(xp_long_t)*8+2];
xp_size_t n;
xp_awk_nde_var_t* px = (xp_awk_nde_var_t*)nde;
xp_assert (px->id.idxa != (xp_size_t)-1);
xp_assert (px->idx != XP_NULL);
PUT_SRCSTR (awk, XP_T("__param"));
n = xp_awk_longtostr (
px->id.idxa, 10, XP_NULL, tmp, xp_countof(tmp));
PUT_SRCSTRX (awk, tmp, n);
PUT_SRCSTR (awk, XP_T("["));
PRINT_EXPRESSION_LIST (awk, px->idx);
PUT_SRCSTR (awk, XP_T("]"));
break;
}
case XP_AWK_NDE_NAMED:
{
xp_awk_nde_var_t* px = (xp_awk_nde_var_t*)nde;
xp_assert (px->id.idxa == (xp_size_t)-1);
xp_assert (px->idx == XP_NULL);
PUT_SRCSTRX (awk, px->id.name, px->id.name_len);
break;
}
case XP_AWK_NDE_NAMEDIDX:
{
xp_awk_nde_var_t* px = (xp_awk_nde_var_t*)nde;
xp_assert (px->id.idxa == (xp_size_t)-1);
xp_assert (px->idx != XP_NULL);
PUT_SRCSTRX (awk, px->id.name, px->id.name_len);
PUT_SRCSTR (awk, XP_T("["));
PRINT_EXPRESSION_LIST (awk, px->idx);
PUT_SRCSTR (awk, XP_T("]"));
break;
}
case XP_AWK_NDE_GLOBAL:
{
xp_char_t tmp[xp_sizeof(xp_long_t)*8+2];
xp_size_t n;
xp_awk_nde_var_t* px = (xp_awk_nde_var_t*)nde;
if (px->id.idxa != (xp_size_t)-1)
{
PUT_SRCSTR (awk, XP_T("__global"));
n = xp_awk_longtostr (
px->id.idxa, 10,
XP_NULL, tmp, xp_countof(tmp));
PUT_SRCSTRX (awk, tmp, n);
}
else
{
PUT_SRCSTRX (awk, px->id.name, px->id.name_len);
}
xp_assert (px->idx == XP_NULL);
break;
}
case XP_AWK_NDE_GLOBALIDX:
{
xp_char_t tmp[xp_sizeof(xp_long_t)*8+2];
xp_size_t n;
xp_awk_nde_var_t* px = (xp_awk_nde_var_t*)nde;
if (px->id.idxa != (xp_size_t)-1)
{
PUT_SRCSTR (awk, XP_T("__global"));
n = xp_awk_longtostr (
px->id.idxa, 10,
XP_NULL, tmp, xp_countof(tmp));
PUT_SRCSTRX (awk, tmp, n);
PUT_SRCSTR (awk, XP_T("["));
}
else
{
PUT_SRCSTRX (awk, px->id.name, px->id.name_len);
PUT_SRCSTR (awk, XP_T("["));
}
xp_assert (px->idx != XP_NULL);
PRINT_EXPRESSION_LIST (awk, px->idx);
PUT_SRCSTR (awk, XP_T("]"));
break;
}
case XP_AWK_NDE_LOCAL:
{
xp_char_t tmp[xp_sizeof(xp_long_t)*8+2];
xp_size_t n;
xp_awk_nde_var_t* px = (xp_awk_nde_var_t*)nde;
if (px->id.idxa != (xp_size_t)-1)
{
PUT_SRCSTR (awk, XP_T("__local"));
n = xp_awk_longtostr (
px->id.idxa, 10,
XP_NULL, tmp, xp_countof(tmp));
PUT_SRCSTRX (awk, tmp, n);
}
else
{
PUT_SRCSTRX (awk, px->id.name, px->id.name_len);
}
xp_assert (px->idx == XP_NULL);
break;
}
case XP_AWK_NDE_LOCALIDX:
{
xp_char_t tmp[xp_sizeof(xp_long_t)*8+2];
xp_size_t n;
xp_awk_nde_var_t* px = (xp_awk_nde_var_t*)nde;
if (px->id.idxa != (xp_size_t)-1)
{
PUT_SRCSTR (awk, XP_T("__local"));
n = xp_awk_longtostr (
px->id.idxa, 10,
XP_NULL, tmp, xp_countof(tmp));
PUT_SRCSTRX (awk, tmp, n);
PUT_SRCSTR (awk, XP_T("["));
}
else
{
PUT_SRCSTRX (awk, px->id.name, px->id.name_len);
PUT_SRCSTR (awk, XP_T("["));
}
xp_assert (px->idx != XP_NULL);
PRINT_EXPRESSION_LIST (awk, px->idx);
PUT_SRCSTR (awk, XP_T("]"));
break;
}
case XP_AWK_NDE_POS:
{
PUT_SRCSTR (awk, XP_T("$"));
PRINT_EXPRESSION (awk, ((xp_awk_nde_pos_t*)nde)->val);
break;
}
case XP_AWK_NDE_BFN:
{
xp_awk_nde_call_t* px = (xp_awk_nde_call_t*)nde;
PUT_SRCSTRX (awk,
px->what.bfn.name, px->what.bfn.name_len);
PUT_SRCSTR (awk, XP_T(" ("));
PRINT_EXPRESSION_LIST (awk, px->args);
PUT_SRCSTR (awk, XP_T(")"));
break;
}
case XP_AWK_NDE_AFN:
{
/* TODO: use px->what.afn.name_len */
xp_awk_nde_call_t* px = (xp_awk_nde_call_t*)nde;
PUT_SRCSTRX (awk,
px->what.afn.name, px->what.afn.name_len);
PUT_SRCSTR (awk, XP_T(" ("));
PRINT_EXPRESSION_LIST (awk, px->args);
PUT_SRCSTR (awk, XP_T(")"));
break;
}
case XP_AWK_NDE_GETLINE:
{
xp_awk_nde_getline_t* px = (xp_awk_nde_getline_t*)nde;
if (px->in != XP_NULL &&
(px->in_type == XP_AWK_IN_PIPE ||
px->in_type == XP_AWK_IN_COPROC))
{
PRINT_EXPRESSION (awk, px->in);
PUT_SRCSTR (awk, XP_T(" "));
PUT_SRCSTR (awk, __getline_inop_str[px->in_type]);
PUT_SRCSTR (awk, XP_T(" "));
}
PUT_SRCSTR (awk, XP_T("getline"));
if (px->var != XP_NULL)
{
PUT_SRCSTR (awk, XP_T(" "));
PRINT_EXPRESSION (awk, px->var);
}
if (px->in != XP_NULL &&
px->in_type == XP_AWK_IN_FILE)
{
PUT_SRCSTR (awk, XP_T(" "));
PUT_SRCSTR (awk, __getline_inop_str[px->in_type]);
PUT_SRCSTR (awk, XP_T(" "));
PRINT_EXPRESSION (awk, px->in);
}
break;
}
default:
{
return -1;
}
}
return 0;
}
static int __print_expression_list (xp_awk_t* awk, xp_awk_nde_t* tree)
{
xp_awk_nde_t* p = tree;
while (p != XP_NULL)
{
PRINT_EXPRESSION (awk, p);
p = p->next;
if (p != XP_NULL) PUT_SRCSTR (awk, XP_T(","));
}
return 0;
}
static int __print_statements (xp_awk_t* awk, xp_awk_nde_t* tree, int depth)
{
xp_awk_nde_t* p = tree;
xp_size_t i;
while (p != XP_NULL)
{
switch (p->type)
{
case XP_AWK_NDE_NULL:
{
PRINT_TABS (awk, depth);
PUT_SRCSTR (awk, XP_T(";\n"));
break;
}
case XP_AWK_NDE_BLK:
{
xp_char_t tmp[xp_sizeof(xp_long_t)*8+2];
xp_size_t n;
xp_awk_nde_blk_t* px = (xp_awk_nde_blk_t*)p;
PRINT_TABS (awk, depth);
PUT_SRCSTR (awk, XP_T("{\n"));
if (px->nlocals > 0)
{
PRINT_TABS (awk, depth + 1);
PUT_SRCSTR (awk, XP_T("local "));
for (i = 0; i < px->nlocals - 1; i++)
{
PUT_SRCSTR (awk, XP_T("__local"));
n = xp_awk_longtostr (
i, 10, XP_NULL, tmp, xp_countof(tmp));
PUT_SRCSTRX (awk, tmp, n);
PUT_SRCSTR (awk, XP_T(", "));
}
PUT_SRCSTR (awk, XP_T("__local"));
n = xp_awk_longtostr (
i, 10, XP_NULL, tmp, xp_countof(tmp));
PUT_SRCSTRX (awk, tmp, n);
PUT_SRCSTR (awk, XP_T(";\n"));
}
PRINT_STATEMENTS (awk, px->body, depth + 1);
PRINT_TABS (awk, depth);
PUT_SRCSTR (awk, XP_T("}\n"));
break;
}
case XP_AWK_NDE_IF:
{
xp_awk_nde_if_t* px = (xp_awk_nde_if_t*)p;
PRINT_TABS (awk, depth);
PUT_SRCSTR (awk, XP_T("if ("));
PRINT_EXPRESSION (awk, px->test);
PUT_SRCSTR (awk, XP_T(")\n"));
xp_assert (px->then_part != XP_NULL);
if (px->then_part->type == XP_AWK_NDE_BLK)
PRINT_STATEMENTS (awk, px->then_part, depth);
else
PRINT_STATEMENTS (awk, px->then_part, depth + 1);
if (px->else_part != XP_NULL)
{
PRINT_TABS (awk, depth);
PUT_SRCSTR (awk, XP_T("else\n"));
if (px->else_part->type == XP_AWK_NDE_BLK)
PRINT_STATEMENTS (awk, px->else_part, depth);
else
PRINT_STATEMENTS (awk, px->else_part, depth + 1);
}
break;
}
case XP_AWK_NDE_WHILE:
{
xp_awk_nde_while_t* px = (xp_awk_nde_while_t*)p;
PRINT_TABS (awk, depth);
PUT_SRCSTR (awk, XP_T("while ("));
PRINT_EXPRESSION (awk, px->test);
PUT_SRCSTR (awk, XP_T(")\n"));
if (px->body->type == XP_AWK_NDE_BLK)
{
PRINT_STATEMENTS (awk, px->body, depth);
}
else
{
PRINT_STATEMENTS (awk, px->body, depth + 1);
}
break;
}
case XP_AWK_NDE_DOWHILE:
{
xp_awk_nde_while_t* px = (xp_awk_nde_while_t*)p;
PRINT_TABS (awk, depth);
PUT_SRCSTR (awk, XP_T("do\n"));
if (px->body->type == XP_AWK_NDE_BLK)
{
PRINT_STATEMENTS (awk, px->body, depth);
}
else
{
PRINT_STATEMENTS (awk, px->body, depth + 1);
}
PRINT_TABS (awk, depth);
PUT_SRCSTR (awk, XP_T("while ("));
PRINT_EXPRESSION (awk, px->test);
PUT_SRCSTR (awk, XP_T(");\n"));
break;
}
case XP_AWK_NDE_FOR:
{
xp_awk_nde_for_t* px = (xp_awk_nde_for_t*)p;
PRINT_TABS (awk, depth);
PUT_SRCSTR (awk, XP_T("for ("));
if (px->init != XP_NULL)
{
PRINT_EXPRESSION (awk, px->init);
}
PUT_SRCSTR (awk, XP_T("; "));
if (px->test != XP_NULL)
{
PRINT_EXPRESSION (awk, px->test);
}
PUT_SRCSTR (awk, XP_T("; "));
if (px->incr != XP_NULL)
{
PRINT_EXPRESSION (awk, px->incr);
}
PUT_SRCSTR (awk, XP_T(")\n"));
if (px->body->type == XP_AWK_NDE_BLK)
{
PRINT_STATEMENTS (awk, px->body, depth);
}
else
{
PRINT_STATEMENTS (awk, px->body, depth + 1);
}
break;
}
case XP_AWK_NDE_FOREACH:
{
xp_awk_nde_foreach_t* px = (xp_awk_nde_foreach_t*)p;
PRINT_TABS (awk, depth);
PUT_SRCSTR (awk, XP_T("for "));
PRINT_EXPRESSION (awk, px->test);
PUT_SRCSTR (awk, XP_T("\n"));
if (px->body->type == XP_AWK_NDE_BLK)
{
PRINT_STATEMENTS (awk, px->body, depth);
}
else
{
PRINT_STATEMENTS (awk, px->body, depth + 1);
}
break;
}
case XP_AWK_NDE_BREAK:
{
PRINT_TABS (awk, depth);
PUT_SRCSTR (awk, XP_T("break;\n"));
break;
}
case XP_AWK_NDE_CONTINUE:
{
PRINT_TABS (awk, depth);
PUT_SRCSTR (awk, XP_T("continue;\n"));
break;
}
case XP_AWK_NDE_RETURN:
{
PRINT_TABS (awk, depth);
if (((xp_awk_nde_return_t*)p)->val == XP_NULL)
{
PUT_SRCSTR (awk, XP_T("return;\n"));
}
else
{
PUT_SRCSTR (awk, XP_T("return "));
xp_assert (((xp_awk_nde_return_t*)p)->val->next == XP_NULL);
PRINT_EXPRESSION (awk, ((xp_awk_nde_return_t*)p)->val);
PUT_SRCSTR (awk, XP_T(";\n"));
}
break;
}
case XP_AWK_NDE_EXIT:
{
xp_awk_nde_exit_t* px = (xp_awk_nde_exit_t*)p;
PRINT_TABS (awk, depth);
if (px->val == XP_NULL)
{
PUT_SRCSTR (awk, XP_T("exit;\n"));
}
else
{
PUT_SRCSTR (awk, XP_T("exit "));
xp_assert (px->val->next == XP_NULL);
PRINT_EXPRESSION (awk, px->val);
PUT_SRCSTR (awk, XP_T(";\n"));
}
break;
}
case XP_AWK_NDE_NEXT:
{
PRINT_TABS (awk, depth);
PUT_SRCSTR (awk, XP_T("next;\n"));
break;
}
case XP_AWK_NDE_NEXTFILE:
{
PRINT_TABS (awk, depth);
PUT_SRCSTR (awk, XP_T("nextfile;\n"));
break;
}
case XP_AWK_NDE_DELETE:
{
PRINT_TABS (awk, depth);
PUT_SRCSTR (awk, XP_T("delete "));
/* TODO: can't use __print_expression??? */
xp_awk_prnpt (awk, ((xp_awk_nde_delete_t*)p)->var);
break;
}
case XP_AWK_NDE_PRINT:
{
xp_awk_nde_print_t* px = (xp_awk_nde_print_t*)p;
PRINT_TABS (awk, depth);
PUT_SRCSTR (awk, XP_T("print"));
if (px->args != XP_NULL)
{
PUT_SRCSTR (awk, XP_T(" "));
PRINT_EXPRESSION_LIST (awk, px->args);
}
if (px->out != XP_NULL)
{
PUT_SRCSTR (awk, XP_T(" "));
PUT_SRCSTR (awk, __print_outop_str[px->out_type]);
PUT_SRCSTR (awk, XP_T(" "));
PRINT_EXPRESSION (awk, px->out);
}
PUT_SRCSTR (awk, XP_T(";\n"));
break;
}
default:
{
PRINT_TABS (awk, depth);
PRINT_EXPRESSION (awk, p);
PUT_SRCSTR (awk, XP_T(";\n"));
}
}
p = p->next;
}
return 0;
}
int xp_awk_prnpt (xp_awk_t* awk, xp_awk_nde_t* tree)
{
return __print_statements (awk, tree, 0);
}
int xp_awk_prnptnpt (xp_awk_t* awk, xp_awk_nde_t* tree)
{
xp_awk_nde_t* nde = tree;
while (nde != XP_NULL)
{
if (__print_expression (awk, nde) == -1) return -1;
if (nde->next == XP_NULL) break;
PUT_SRCSTR (awk, XP_T(","));
nde = nde->next;
}
return 0;
}
void xp_awk_clrpt (xp_awk_t* awk, xp_awk_nde_t* tree)
{
xp_awk_nde_t* p = tree;
xp_awk_nde_t* next;
while (p != XP_NULL)
{
next = p->next;
switch (p->type)
{
case XP_AWK_NDE_NULL:
{
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_BLK:
{
xp_awk_clrpt (awk, ((xp_awk_nde_blk_t*)p)->body);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_IF:
{
xp_awk_nde_if_t* px = (xp_awk_nde_if_t*)p;
xp_awk_clrpt (awk, px->test);
xp_awk_clrpt (awk, px->then_part);
if (px->else_part != XP_NULL)
xp_awk_clrpt (awk, px->else_part);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_WHILE:
case XP_AWK_NDE_DOWHILE:
{
xp_awk_clrpt (awk, ((xp_awk_nde_while_t*)p)->test);
xp_awk_clrpt (awk, ((xp_awk_nde_while_t*)p)->body);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_FOR:
{
xp_awk_nde_for_t* px = (xp_awk_nde_for_t*)p;
if (px->init != XP_NULL)
xp_awk_clrpt (awk, px->init);
if (px->test != XP_NULL)
xp_awk_clrpt (awk, px->test);
if (px->incr != XP_NULL)
xp_awk_clrpt (awk, px->incr);
xp_awk_clrpt (awk, px->body);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_FOREACH:
{
xp_awk_clrpt (awk, ((xp_awk_nde_foreach_t*)p)->test);
xp_awk_clrpt (awk, ((xp_awk_nde_foreach_t*)p)->body);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_BREAK:
{
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_CONTINUE:
{
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_RETURN:
{
xp_awk_nde_return_t* px =
(xp_awk_nde_return_t*)p;
if (px->val != XP_NULL)
xp_awk_clrpt (awk, px->val);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_EXIT:
{
if (((xp_awk_nde_exit_t*)p)->val != XP_NULL)
xp_awk_clrpt (awk, ((xp_awk_nde_exit_t*)p)->val);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_NEXT:
case XP_AWK_NDE_NEXTFILE:
{
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_DELETE:
{
xp_awk_clrpt (awk, ((xp_awk_nde_delete_t*)p)->var);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_PRINT:
{
xp_awk_nde_print_t* px =
(xp_awk_nde_print_t*)p;
if (px->args != XP_NULL)
xp_awk_clrpt (awk, px->args);
if (px->out != XP_NULL)
xp_awk_clrpt (awk, px->out);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_GRP:
{
xp_awk_clrpt (awk, ((xp_awk_nde_grp_t*)p)->body);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_ASS:
{
xp_awk_clrpt (awk, ((xp_awk_nde_ass_t*)p)->left);
xp_awk_clrpt (awk, ((xp_awk_nde_ass_t*)p)->right);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_EXP_BIN:
{
xp_awk_nde_exp_t* px = (xp_awk_nde_exp_t*)p;
xp_assert (px->left->next == XP_NULL);
xp_assert (px->right->next == XP_NULL);
xp_awk_clrpt (awk, px->left);
xp_awk_clrpt (awk, px->right);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_EXP_UNR:
case XP_AWK_NDE_EXP_INCPRE:
case XP_AWK_NDE_EXP_INCPST:
{
xp_awk_nde_exp_t* px = (xp_awk_nde_exp_t*)p;
xp_assert (px->right == XP_NULL);
xp_awk_clrpt (awk, px->left);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_CND:
{
xp_awk_clrpt (awk, ((xp_awk_nde_cnd_t*)p)->test);
xp_awk_clrpt (awk, ((xp_awk_nde_cnd_t*)p)->left);
xp_awk_clrpt (awk, ((xp_awk_nde_cnd_t*)p)->right);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_INT:
{
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_REAL:
{
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_STR:
{
XP_AWK_FREE (awk, ((xp_awk_nde_str_t*)p)->buf);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_REX:
{
XP_AWK_FREE (awk, ((xp_awk_nde_rex_t*)p)->buf);
XP_AWK_FREE (awk, ((xp_awk_nde_rex_t*)p)->code);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_NAMED:
case XP_AWK_NDE_GLOBAL:
case XP_AWK_NDE_LOCAL:
case XP_AWK_NDE_ARG:
{
xp_awk_nde_var_t* px = (xp_awk_nde_var_t*)p;
xp_assert (px->idx == XP_NULL);
if (px->id.name != XP_NULL)
XP_AWK_FREE (awk, px->id.name);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_NAMEDIDX:
case XP_AWK_NDE_GLOBALIDX:
case XP_AWK_NDE_LOCALIDX:
case XP_AWK_NDE_ARGIDX:
{
xp_awk_nde_var_t* px = (xp_awk_nde_var_t*)p;
xp_assert (px->idx != XP_NULL);
xp_awk_clrpt (awk, px->idx);
if (px->id.name != XP_NULL)
XP_AWK_FREE (awk, px->id.name);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_POS:
{
xp_awk_clrpt (awk, ((xp_awk_nde_pos_t*)p)->val);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_BFN:
{
xp_awk_nde_call_t* px = (xp_awk_nde_call_t*)p;
/* XP_AWK_FREE (awk, px->what.bfn); */
xp_awk_clrpt (awk, px->args);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_AFN:
{
xp_awk_nde_call_t* px = (xp_awk_nde_call_t*)p;
XP_AWK_FREE (awk, px->what.afn.name);
xp_awk_clrpt (awk, px->args);
XP_AWK_FREE (awk, p);
break;
}
case XP_AWK_NDE_GETLINE:
{
xp_awk_nde_getline_t* px =
(xp_awk_nde_getline_t*)p;
if (px->var != XP_NULL)
xp_awk_clrpt (awk, px->var);
if (px->in != XP_NULL)
xp_awk_clrpt (awk, px->in);
XP_AWK_FREE (awk, p);
break;
}
default:
{
xp_assert (!"should never happen - invalid node type");
XP_AWK_FREE (awk, p);
break;
}
}
p = next;
}
}
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