Tools: Remove NPL.

Remove tools/npl. It doesn't appear to be used and hasn't had any
activity for many years. Ping #17897.

1 files changed, 0 insertions, 1993 deletions

diff --git a/tools/npl/npl.c b/tools/npl/npl.c
deleted file mode 100644
index a929fca127..0000000000
--- a/tools/npl/npl.c
+++ /dev/null
@@ -1,1993 +0,0 @@
-/*
- * Copyright 2012-2013, Jakub Zawadzki <darkjames-ws@darkjames.pl>
- *
- * SPDX-License-Identifier: GPL-2.0-or-later
- */
-
-#include <stdio.h>
-#include <ctype.h>
-#include <string.h>
-#include <stdlib.h>
-
-#include "ast.h"
-#include "xmem.h"
-
-int npl_parse_file(npl_code_t *code, FILE *f, const char *filename); /* parser.l */
-
-struct ettinfo {
-	struct ettinfo *next;
-	npl_struct_t *st;
-};
-
-struct hfinfo {
-	struct hfinfo *next;
-	struct _npl_statement_field *st;
-	const char *parent;
-
-	const char *hf_type;
-};
-
-enum symbol_type {
-	SYMBOL_ANY    = (~0),
-	SYMBOL_EXPR   = (1 << 0),
-	SYMBOL_STRUCT = (1 << 1),
-	SYMBOL_TABLE  = (1 << 2),
-	SYMBOL_TYPE   = (1 << 3),
-	SYMBOL_FIELD  = (1 << 4),
-
-	SYMBOL_SIMPLE = (1 << 5),
-	SYMBOL_PROTO  = (1 << 6),
-};
-
-struct symbol {
-	struct symbol *next;
-
-	const char *id;
-	void *data;
-
-	unsigned int hash;
-	enum symbol_type type;
-
-	int lvl;
-	int is_static:1;
-	int is_used:1;
-};
-
-struct parent_info {
-	const char *id;
-	npl_expression_t *byte_order;
-
-	int cur_offset;
-	/* size, offset, bitoffset, ... ? */
-};
-
-static struct symbol *gen_expr(FILE *f, npl_expression_t *e);
-static void gen_statements(FILE *f, struct parent_info *parent, struct _npl_statements *sts);
-static void gen_struct(FILE *f, npl_struct_t *s, npl_attribute_list_t *attr_list);
-
-static struct symbol *symbols;
-static struct hfinfo *hfs;
-static struct ettinfo *etts;
-
-static npl_expression_t format_string_e;
-static npl_expression_t is_value_none_e;
-static npl_expression_t this_e;
-
-static npl_expression_t property_e;
-static npl_expression_t global_e;
-static npl_expression_t local_e;
-
-static void _fail(const char *file, int line, const char *msg) {
-	fprintf(stderr, "!!! %s:%d fail(%s)\n", file, line, msg);
-	abort();
-}
-
-#define fail(msg) _fail(__FILE__, __LINE__, msg)
-
-#define xassert(expr) \
-	do { if (!(expr)) fail("Assertion failed: " #expr); } while(0);
-
-
-static int symbols_lvl = 0;
-
-static struct symbol *
-symbols_push(void)
-{
-	symbols_lvl++;
-
-	return symbols;
-}
-
-static void
-symbols_pop(struct symbol *sym)
-{
-	--symbols_lvl;
-
-	while (symbols != sym) {
-		struct symbol *s = symbols;
-
-		symbols = symbols->next;
-		free(s);
-	}
-}
-
-static unsigned int
-symbol_hash(const char *str)
-{
-	unsigned int hash = 5381;
-
-	while (*str) {
-		hash = ((hash << 5) + hash) + tolower(*str);
-		str++;
-	}
-
-	return hash;
-}
-
-static struct symbol *
-symbol_find(const char *id, int type)
-{
-	struct symbol *sym;
-	unsigned int hash;
-
-	hash = symbol_hash(id);
-
-	for (sym = symbols; sym; sym = sym->next) {
-		if (sym->hash == hash && !strcasecmp(sym->id, id)) {
-			// XXX, check type
-			return sym;
-		}
-	}
-	return NULL;
-}
-
-static struct symbol *
-symbol_add(const char *id, enum symbol_type type, void *data)
-{
-	struct symbol *sym;
-
-	sym = symbol_find(id, SYMBOL_ANY);
-	if (sym) {
-		if (sym->lvl == symbols_lvl) {
-			fprintf(stderr, "Error: symbol %s already added [type: %d]\n", id, sym->type);
-			abort();
-		} else
-			fprintf(stderr, "Warning: symbol %s shadow another symbol [type: %d]\n", id, sym->type);
-	}
-	
-	sym = xnew(struct symbol);
-
-	sym->id = id;
-	sym->hash = symbol_hash(id);
-	sym->type = type;
-	sym->lvl = symbols_lvl;
-	sym->data = data;
-
-	sym->next = symbols;
-	symbols = sym;
-
-	return sym;
-}
-
-static struct ettinfo *
-ett_add(npl_struct_t *st)
-{
-	struct ettinfo *new = xnew(struct ettinfo);
-
-	new->st = st;
-
-	new->next = etts;
-	etts = new;
-
-	return new;
-}
-
-static const char *
-ett_var(const struct ettinfo *ett)
-{
-	static char ett_name[256];
-
-	snprintf(ett_name, sizeof(ett_name), "ett_%s", ett->st->id);
-
-	return ett_name;
-}
-
-static struct hfinfo *
-hfi_add(struct _npl_statement_field *st, const struct parent_info *parent)
-{
-	struct hfinfo *new = xnew(struct hfinfo);
-
-	new->st = st;
-	new->parent = parent->id;
-
-	new->next = hfs;
-	hfs = new;
-
-	return new;
-}
-
-static size_t
-hfi_put_name(char *buf, size_t buflen, const char *str)
-{
-	size_t pos = 0;
-	int i;
-
-	int t = 0;
-	int toldup = -1;
-
-	for (i = 0; str[i]; i++) {
-		int tup = isupper(str[i]);
-
-		if (toldup != tup && tup) {
-			if (t > 0) {
-				if (pos < buflen)
-					buf[pos++] = '_';
-			}
-			t++;
-		}
-		toldup = tup;
-
-		if (pos < buflen)
-			buf[pos++] = tolower(str[i]);
-	}
-	return pos;
-}
-
-static const char *
-hfi_var(const struct hfinfo *hfi)
-{
-	static char hf_name[256];
-	size_t pos;
-
-	pos = snprintf(hf_name, sizeof(hf_name), "hf_field_");
-	xassert(pos < sizeof(hf_name));
-
-	if (hfi->parent) {
-		pos += hfi_put_name(hf_name + pos, sizeof(hf_name) - pos, hfi->parent);
-		xassert(pos < sizeof(hf_name));
-
-		hf_name[pos++] = '_';
-		xassert(pos < sizeof(hf_name));
-	}
-
-	pos += hfi_put_name(hf_name + pos, sizeof(hf_name) - pos, hfi->st->id);
-	xassert(pos < sizeof(hf_name));
-
-	hf_name[pos++] = '\0';
-
-	return hf_name;
-}
-
-static const char *
-hfi_name(const struct hfinfo *hfi)
-{
-	return hfi->st->id;
-}
-
-static const char *
-hfi_filter(const struct hfinfo *hfi)
-{
-	static char filter_name[1024];
-	size_t pos;
-
-	pos = 0;
-
-	if (hfi->parent) {
-		pos += hfi_put_name(filter_name + pos, sizeof(filter_name)-pos, hfi->parent);
-		xassert(pos < sizeof(filter_name));
-
-		filter_name[pos++] = '.';
-		xassert(pos < sizeof(filter_name));
-	}
-
-	pos += hfi_put_name(filter_name + pos, sizeof(filter_name)-pos, hfi->st->id);
-	xassert(pos < sizeof(filter_name));
-
-	filter_name[pos++] = '\0';
-	xassert(pos < sizeof(filter_name));
-
-	return filter_name;
-}
-
-static const char *
-hfi_type(const struct hfinfo *hfi)
-{
-	if (hfi->hf_type)
-		return hfi->hf_type;
-	/* TODO stub */
-	return "FT_BYTES";
-}
-
-static const char *
-hfi_display(const struct hfinfo *hfi)
-{
-	/* TODO stub */
-	return "BASE_NONE";
-}
-
-static unsigned int
-hfi_mask(const struct hfinfo *hfi)
-{
-	/* TODO stub */
-	return 0;
-}
-
-static int
-count_expression_list(const npl_expression_list_t *exprs)
-{
-	int c = 0;
-
-	while (exprs) {
-		c++;
-		exprs = exprs->next;
-	}
-	return c;
-}
-
-static struct symbol *
-expr_to_symbol(const npl_expression_t *e)
-{
-	struct symbol *sym = NULL;
-
-	if (e->type == EXPRESSION_ID) {
-		const char *id = e->id.id;
-
-		sym = symbol_find(id, SYMBOL_ANY);
-		if (!sym) {
-			fprintf(stderr, "can't find id: %s\n", id);
-			abort();
-		}
-		/* XXX, sym->is_used */
-
-		if (sym->type == SYMBOL_EXPR) {
-			struct symbol *new_sym = expr_to_symbol(sym->data);
-
-			if (new_sym)
-				sym = new_sym;
-		}
-	}
-	return sym;
-}
-
-static int
-expr_to_const_int(const npl_expression_t *e, int *val)
-{
-	struct symbol *sym;
-
-	if (e->type == EXPRESSION_INT) {
-		*val = e->num.digit;
-		return 1;
-	}
-	if (e->type == EXPRESSION_UNARY) {
-		if (!expr_to_const_int(e->u.operand, val))
-			return 0;
-
-		switch (e->u.operator) {
-			case OP1_MINUS:
-				*val = -(*val);
-				return 1;
-			case OP1_NEG:
-				*val = ~(*val);
-				return 1;
-			case OP1_NOT:
-				*val = !(*val);
-				return 1;
-		}
-		return 0;
-	}
-
-	sym = expr_to_symbol(e);
-	if (sym && sym->type == SYMBOL_EXPR)
-		return expr_to_const_int(sym->data, val);
-
-	return 0;
-}
-
-static int
-expr_to_const_str(const npl_expression_t *e, const char **val)
-{
-	struct symbol *sym;
-
-	if (e->type == EXPRESSION_STR) {
-		*val = e->str.str;
-		return 1;
-	}
-
-	sym = expr_to_symbol(e);
-	if (sym && sym->type == SYMBOL_EXPR)
-		return expr_to_const_str(sym->data, val);
-
-	return 0;
-}
-
-static const char *
-type_to_ctype(const npl_type_t *t, int size)
-{
-	switch (t->type) {
-		case FIELD_DECIMAL:
-			if (size == 4)
-				return "float";
-			if (size == 8)
-				return "double";
-
-			fprintf(stderr, "!!! decimal, size: %d\n", size);
-			return NULL;
-
-		case FIELD_NUMBER:
-			if (size == 1)
-				return "gint8";
-			if (size == 2)
-				return "gint16";
-			if (size == 3 || size == 4)
-				return "gint32";
-			if (size > 4 && size <= 8)
-				return "gint64";
-
-			fprintf(stderr, "!!! number, size: %d\n", size);
-			return NULL;
-
-		case FIELD_UNSIGNED_NUMBER:
-			if (size == 1)
-				return "guint8";
-			if (size == 2)
-				return "guint16";
-			if (size == 3 || size == 4)
-				return "guint32";
-			if (size > 4 && size <= 8)
-				return "guint64";
-
-			fprintf(stderr, "!!! number, size: %d\n", size);
-			return NULL;
-
-		case FIELD_TIME:
-			return "nstime_t";
-	}
-	fprintf(stderr, "!!! not handled, type: %d, size: %d\n", t->type, size);
-	return NULL;
-}
-
-#define NPL_ENDIAN_LE 0
-#define NPL_ENDIAN_BE 1
-
-static const char *
-type_to_tvb(const npl_type_t *t, int size, int endian)
-{
-	switch (t->type) {
-		case FIELD_DECIMAL:
-			if (size == 4 && endian == NPL_ENDIAN_LE)
-				return "tvb_get_letohieee_float";
-			if (size == 4 && endian == NPL_ENDIAN_BE)
-				return "tvb_get_ntohieee_float";
-
-			if (size == 8 && endian == NPL_ENDIAN_LE)
-				return "tvb_get_letohieee_double";
-			if (size == 8 && endian == NPL_ENDIAN_BE)
-				return "tvb_get_ntohieee_double";
-
-			fprintf(stderr, "!!! decimal, size: %d, endian: %d\n", size, endian);
-			return NULL;
-
-		case FIELD_UNSIGNED_NUMBER:
-		case FIELD_NUMBER:
-			if (size == 1)
-				return "tvb_get_guint8";
-
-			if (size == 2 && endian == NPL_ENDIAN_LE)
-				return "tvb_get_letohs";
-			if (size == 2 && endian == NPL_ENDIAN_BE)
-				return "tvb_get_ntohs";
-
-			if (t->type == FIELD_UNSIGNED_NUMBER && size == 3 && endian == NPL_ENDIAN_LE)
-				return "tvb_get_letoh24";
-			if (t->type == FIELD_UNSIGNED_NUMBER && size == 3 && endian == NPL_ENDIAN_BE)
-				return "tvb_get_ntoh24";
-
-			if (size == 4 && endian == NPL_ENDIAN_LE)
-				return "tvb_get_letohl";
-			if (size == 4 && endian == NPL_ENDIAN_BE)
-				return "tvb_get_ntohl";
-
-			fprintf(stderr, "!!! number, size: %d, endian: %d\n", size, endian);
-			return NULL;
-	}
-	fprintf(stderr, "!!! not handled, type: %d, size: %d, endian: %d\n", t->type, size, endian);
-	return NULL;
-}
-
-static const char *
-type_to_ft(const npl_type_t *t, int size)
-{
-	switch (t->type) {
-		case FIELD_DECIMAL:
-			if (size == 4)
-				return "FT_FLOAT";
-			if (size == 8)
-				return "FT_DOUBLE";
-
-			fprintf(stderr, "!!! decimal, size: %d\n", size);
-			return NULL;
-
-		case FIELD_NUMBER:
-			if (size == 1)
-				return "FT_INT8";
-			if (size == 2)
-				return "FT_INT16";
-			if (size == 3)
-				return "FT_INT24";
-			if (size == 4)
-				return "FT_INT32";
-			if (size > 4 && size <= 8)
-				return "FT_INT64";
-
-			fprintf(stderr, "!!! number, size: %d\n", size);
-			return NULL;
-
-		case FIELD_UNSIGNED_NUMBER:
-			if (size == 1)
-				return "FT_UINT8";
-			if (size == 2)
-				return "FT_UINT16";
-			if (size == 3)
-				return "FT_UINT24";
-			if (size == 4)
-				return "FT_UINT32";
-			if (size > 4 && size <= 8)
-				return "FT_UINT64";
-
-			fprintf(stderr, "!!! number, size: %d\n", size);
-			return NULL;
-
-		case FIELD_TIME:
-			/* XXX, FT_ABSOLUTE_TIME or FT_RELATIVE_TIME? */
-			fprintf(stderr, "!!! time, size: %d\n", size);
-			return "FT_ABSOLUTE_TIME";
-	}
-	fprintf(stderr, "!!! not handled, type: %d, size: %d\n", t->type, size);
-	return NULL;
-}
-
-#define gen_fprintf(f, args...)			\
-	do {								\
-		if (f) fprintf(f, args);		\
-	} while (0)
-
-static const char *
-op1_to_str(npl_op1_t op)
-{
-	switch (op) {
-		case OP1_MINUS:
-			return "-";
-		case OP1_NOT:
-			return "!";
-		case OP1_NEG:
-			return "~";
-	}
-	fprintf(stderr, "XXX op: %d\n", op);
-	return "";
-}
-
-static const char *
-op2_to_str(npl_op2_t op)
-{
-	switch (op) {
-		case OP2_PLUS:
-			return "+";
-		case OP2_MINUS:
-			return "-";
-		case OP2_SHL:
-			return "<<";
-		case OP2_SHR:
-			return ">>";
-		case OP2_EQUAL:
-			return "==";
-		case OP2_NOTEQUAL:
-			return "!=";
-		case OP2_LOGIC_OR:
-			return "||";
-		case OP2_LOGIC_AND:
-			return "&&";
-		case OP2_OR:
-			return "|";
-		case OP2_XOR:
-			return "^";
-		case OP2_AND:
-			return "&";
-		case OP2_GREATER:
-			return ">";
-		case OP2_GEQUAL:
-			return ">=";
-		case OP2_LESS:
-			return "<";
-		case OP2_LEQUAL:
-			return "<=";
-	}
-	fprintf(stderr, "XXX op: %d\n", op);
-	return "";
-}
-
-enum attr_flag {
-	ATTR_PROPERTY	= 0,
-
-	ATTR_GLOBAL	= 1 << 0,
-	ATTR_LOCAL	= 1 << 1,
-
-	ATTR_CONV	= 1 << 5,
-	
-	ATTR_POST	= 1 << 10
-};
-
-static enum attr_flag
-resolve_attr_id(const char *id)
-{
-	if (!strcasecmp(id, "property"))
-		return ATTR_PROPERTY;
-	if (!strcasecmp(id, "Global"))
-		return ATTR_GLOBAL;
-	if (!strcasecmp(id, "local"))
-		return ATTR_LOCAL;
-	if (!strcasecmp(id, "conversation"))
-		return ATTR_CONV;
-	if (!strcasecmp(id, "post"))
-		return ATTR_POST;
-
-	fprintf(stderr, ":: attr-id: %s\n", id);
-	abort();
-	return -1;
-}
-
-static int
-resolve_attr_expr(const struct _npl_expression *expr)
-{
-	int flags = 0;
-
-	switch (expr->type) {
-		case EXPRESSION_ID:
-			flags |= (int) resolve_attr_id(expr->id.id);
-			break;
-			
-		case EXPRESSION_FIELD:
-			flags |= resolve_attr_expr(expr->fld.base);
-			flags |= (int) resolve_attr_id(expr->fld.field);
-			break;
-
-		default:
-			fprintf(stderr, "resolve_attr_expr() %d\n", expr->type);
-			break;
-	}
-
-	xassert(!((flags & ATTR_GLOBAL) && (flags & ATTR_LOCAL)));
-
-	return flags;
-}
-
-static void
-resolve_attr_list(npl_attribute_list_t *attr)
-{
-	while (attr) {
-		struct _npl_expression *expr;
-		const char *id = NULL;
-		int flags = 0;
-
-		if (attr->expr->type == EXPRESSION_BINARY && attr->expr->b.operator == OP2_ASSIGN) {
-			/* XXX, handle: a = b = c ? */
-			expr = attr->expr->b.operand1;
-			attr->assign_expr = attr->expr->b.operand2;
-		} else
-			expr = attr->expr;
-
-		switch (expr->type) {
-			case EXPRESSION_ID:
-				id = expr->id.id;
-				break;
-
-			case EXPRESSION_FIELD:
-				flags = resolve_attr_expr(expr->fld.base);
-				id = expr->fld.field;
-				break;
-
-			default:
-				fprintf(stderr, "resolve_attr_list() expr: %d\n", expr->type);
-				break;
-		}
-
-		attr->flags = flags;
-		attr->resolved = id;
-
-		attr = attr->next;
-	}
-}
-
-static void
-gen_expr_field(FILE *f, struct _npl_statement_field *field)
-{
-	xassert(field->generate_var || f == NULL);
-
-	field->generate_var = 1;
-	gen_fprintf(f, "_field_%s", field->id);
-}
-
-static void
-gen_expr_type(FILE *f, npl_type_t *t)
-{
-	int size = -1;
-	int byte_order = -1;
-	const char *fetch_func;
-
-	if (t->size && !expr_to_const_int(t->size, &size))
-		fprintf(stderr, "!!! expr_to_const_int(size) failed for type: %s\n", t->id);
-
-	if (t->byte_order && !expr_to_const_int(t->byte_order, &byte_order))
-		fprintf(stderr, "!!! expr_to_const_int(byte_order) failed for type: %s\n", t->id);
-
-	fetch_func = type_to_tvb(t, size, byte_order);
-	if (fetch_func)
-		gen_fprintf(f, "%s", fetch_func);
-	else
-		gen_fprintf(f, "<<TYPE %s>>", t->id);
-}
-
-static void
-gen_expr_table(FILE *f, npl_table_t *t)
-{
-	gen_fprintf(f, " format_table_%s ", t->id);
-}
-
-static struct symbol *
-gen_expr(FILE *f, npl_expression_t *e)
-{
-	switch (e->type) {
-		case EXPRESSION_ID:
-		{
-			struct symbol *sym = symbol_find(e->id.id, SYMBOL_EXPR | SYMBOL_FIELD | SYMBOL_TYPE | SYMBOL_SIMPLE | SYMBOL_TABLE);
-
-			if (!sym) {
-				fprintf(stderr, "can't find id: %s\n", e->id.id);
-				abort();
-			}
-			sym->is_used = 1;
-
-			if (sym->type == SYMBOL_EXPR)
-				gen_expr(f, sym->data);
-
-			else if (sym->type == SYMBOL_FIELD)
-				gen_expr_field(f, sym->data);
-
-			else if (sym->type == SYMBOL_TYPE)
-				gen_expr_type(f, sym->data);
-
-			else if (sym->type == SYMBOL_TABLE)
-				gen_expr_table(f, sym->data);
-
-			else if (sym->type == SYMBOL_SIMPLE)
-				gen_fprintf(f, "%s", (const char *) sym->data);
-
-			else {
-				fprintf(stderr, "ID %s wrong type [%d]\n", sym->id, sym->type);
-				abort();
-			}
-			return sym;
-		}
-
-		case EXPRESSION_INT:
-			gen_fprintf(f, " %d ", e->num.digit);
-			return NULL;
-
-		case EXPRESSION_STR:
-			// XXX e->str.str is escaped, almost like C-string so just print it.
-			gen_fprintf(f, " \"%s\" ", e->str.str);
-			return NULL;
-
-		case EXPRESSION_UNARY:
-			gen_fprintf(f, "(");
-			gen_fprintf(f, "%s", op1_to_str(e->u.operator));
-			gen_expr(f, e->u.operand);
-			gen_fprintf(f, ")");
-			return NULL;
-
-		case EXPRESSION_BINARY:
-			gen_fprintf(f, "(");
-			gen_expr(f, e->b.operand1);
-			gen_fprintf(f, " %s ", op2_to_str(e->b.operator));
-			gen_expr(f, e->b.operand2);
-			gen_fprintf(f, ")");
-			return NULL;
-
-		case EXPRESSION_CALL:
-		{
-			npl_expression_list_t *arg;
-			struct symbol *sym;
-			const char *ind = "";
-
-			sym = gen_expr(NULL, e->call.fn);
-			if (!sym) {
-				fprintf(stderr, "can't call no-symbol\n");
-				abort();
-			}
-			/* XXX check if sym->type can be called (function) */
-
-
-			gen_expr(f, e->call.fn);
-			gen_fprintf(f, "(");
-			for (arg = e->call.args; arg; arg = arg->next) {
-				gen_fprintf(f, "%s", ind);
-				gen_expr(f, arg->expr);
-				ind = ", ";
-			}
-			gen_fprintf(f, ")");
-			return NULL;
-		}
-
-		case EXPRESSION_COND:
-			gen_fprintf(f, "((");
-			gen_expr(f, e->c.test_expr);
-			gen_fprintf(f, ") ? ");
-			gen_expr(f, e->c.true_expr);
-			gen_fprintf(f, " : ");
-			gen_expr(f, e->c.false_expr);
-			gen_fprintf(f, ")");
-			return NULL;
-
-		case EXPRESSION_FIELD:
-		{
-			struct symbol *sym;
-
-			sym = gen_expr(NULL, e->fld.base);
-			if (!sym) {
-				fprintf(stderr, "can't field no-symbol   (accessing %s)\n", e->fld.field);
-				abort();
-			}
-			/* XXX check if sym->type can be dereferenced (struct) */
-
-			if (sym->data == &property_e) {
-				gen_fprintf(f, "<< PROPERTY %s>>", e->fld.field);
-			} else if (sym->data == &local_e) {
-				gen_fprintf(f, "_local_property_%s", e->fld.field);
-			} else if (sym->data == &global_e) {
-				gen_fprintf(f, "<< GLOBAL PROPERTY %s>>", e->fld.field);
-			} else {
-				gen_expr(f, e->fld.base);
-				gen_fprintf(f, ".%s ", e->fld.field);
-			}
-			return NULL;
-		}
-	}
-
-	if (e == &this_e)
-		gen_fprintf(f, "<< this >>");
-	else if (e == &format_string_e)
-		gen_fprintf(f, "<< FORMAT STRING >>");
-	else if (e == &is_value_none_e)
-		gen_fprintf(f, "<< IS VALUE NONE >>");
-
-	else if (e == &property_e || e == &global_e || e == &local_e)
-		{ /* silent expr->type: 0 warnings */ }
-	else
-		fprintf(stderr, "XXX expr->type: %d\n", e->type);
-
-	return NULL;
-}
-
-enum table_struct { TABLE_FULL, TABLE_VALUE_STRING, TABLE_STRING_STRING };
-
-static enum table_struct
-gen_table_struct(FILE *f, npl_table_t *t)
-{
-	struct npl_table_case *c;
-
-	int all_int = 1;
-	int all_str = 1;
-
-	if (t->params.count > 1 || !t->switch_expr)
-		return TABLE_FULL;
-
-	for (c = t->cases; c; c = c->next) {
-		const char *str;
-		int val;
-
-		if (!c->return_expr || !expr_to_const_str(c->return_expr, &str))
-			return 0;
-
-		if (all_int && !expr_to_const_int(&c->e, &val))
-			all_int = 0;
-		if (all_str && !expr_to_const_str(&c->e, &str))
-			all_str = 0;
-
-		if (!all_int && !all_str)
-			return TABLE_FULL;
-	}
-
-	/* table can be converted to value_string, generate one */
-	if (all_int) {
-		gen_fprintf(f,
-			"static const value_string %s_vals[] = {\n",
-			t->id);
-
-		if (f)
-		for (c = t->cases; c; c = c->next) {
-			const char *str;
-			int val;
-
-			/* checked above, should not fail now */
-			if (!expr_to_const_str(c->return_expr, &str))
-				fail("expr_to_const_str(str)");
-			if (!expr_to_const_int(&c->e, &val))
-				fail("expr_to_const_int(val)");
-
-			gen_fprintf(f, "\t{ 0x%x, \"%s\" },\n", val, str);
-		}
-		gen_fprintf(f, "\t{ 0, NULL }\n");
-		gen_fprintf(f, "};\n");
-		return TABLE_VALUE_STRING;
-	}
-
-	/* table can be converted to string_string, generate one */
-	if (all_str) {
-		gen_fprintf(f,
-			"static const string_string %s_vals[] = {\n",
-			t->id);
-
-		if (f)
-		for (c = t->cases; c; c = c->next) {
-			const char *str;
-			const char *val;
-
-			/* checked above, should not fail now */
-			if (!expr_to_const_str(c->return_expr, &str))
-				fail("expr_to_const_str(str)");
-			if (!expr_to_const_str(&c->e, &val))
-				fail("expr_to_const_str(val)");
-
-			gen_fprintf(f, "\t{ \"%s\", \"%s\" },\n", val, str);
-		}
-		gen_fprintf(f, "\t{ NULL, NULL }\n");
-		gen_fprintf(f, "};\n");
-		return TABLE_STRING_STRING;
-	}
-
-	return TABLE_FULL;
-}
-
-static void
-gen_table_func(FILE *f, npl_table_t *t)
-{
-	struct npl_table_case *c;
-
-	if (t->switch_expr) {
-		gen_fprintf(f, "\tswitch (");
-		gen_expr(f, t->switch_expr);
-		gen_fprintf(f, ") {\n");
-
-		for (c = t->cases; c; c = c->next) {
-again1:
-			gen_fprintf(f, "\t\tcase ");
-			gen_expr(f, &c->e);
-			gen_fprintf(f, ": ");
-
-			if (!c->return_expr) {
-				c = c->next;
-				xassert(c != NULL);
-				gen_fprintf(f, "\n");
-				goto again1;
-			} else {
-				gen_fprintf(f, "\n");
-				gen_fprintf(f, "\t\t\treturn ");
-				gen_expr(f, c->return_expr);
-				gen_fprintf(f, ";\n");
-			}
-		}
-
-		gen_fprintf(f, "\t}\n");
-	} else {
-		for (c = t->cases; c; c = c->next) {
-
-			if (c == t->cases)
-				gen_fprintf(f, "\tif (");
-			else
-				gen_fprintf(f, "\telse if (");
-
-again2:
-			gen_fprintf(f, "(");
-			gen_expr(f, &c->e);
-			gen_fprintf(f, ")");
-
-			if (!c->return_expr) {
-				gen_fprintf(f, " || ");
-				c = c->next;
-				xassert(c != NULL);
-				goto again2;
-			} else {
-				gen_fprintf(f, ")\n");
-
-				gen_fprintf(f, "\t\treturn ");
-				gen_expr(f, c->return_expr);
-				gen_fprintf(f, ";\n");
-			}
-		}
-	}
-}
-
-static void
-decl_table(npl_table_t *t)
-{
-	if (!t->sym)
-		t->sym = symbol_add(t->id, SYMBOL_TABLE, t);
-}
-
-static void
-gen_table(FILE *f, npl_table_t *t)
-{
-	struct symbol *symroot;
-	const char *first_arg;
-	enum table_struct type;
-
-	t->sym->is_static = 1;
-	gen_fprintf(f,
-		"static const char *\n"
-		"format_table_%s", t->id);
-
-	symroot = symbols_push();
-
-	gen_fprintf(f, "(");
-	if (t->params.count) {
-		int i;
-
-		for (i = 0; i < t->params.count; i++) {
-			if (i)
-				gen_fprintf(f, ", ");
-			gen_fprintf(f, "TYPE %s", t->params.args[i]);
-			symbol_add(t->params.args[i], SYMBOL_SIMPLE, t->params.args[i]);
-		}
-		first_arg = t->params.args[0];
-
-	} else {
-		/* default */
-		gen_fprintf(f, "TYPE value");
-		symbol_add("value", SYMBOL_SIMPLE, "value");
-		first_arg = "value";
-	}
-	gen_fprintf(f, ")\n{\n");
-
-	type = gen_table_struct(f, t);
-	switch (type) {
-		case TABLE_VALUE_STRING:
-			gen_fprintf(f, "\n");
-			gen_fprintf(f, "\tconst char *tmp = match_strval(%s_vals, %s);\n", t->id, first_arg);
-			gen_fprintf(f, "\tif (tmp)\n\t\treturn tmp;\n");
-			break;
-
-		case TABLE_STRING_STRING:
-			gen_fprintf(f, "\tconst char *tmp = match_strstr(%s_vals, %s);\n", t->id, first_arg);
-			gen_fprintf(f, "\tif (tmp)\n\t\treturn tmp;\n");
-			break;
-
-		case TABLE_FULL:
-		default:
-			gen_table_func(f, t);
-			break;
-	}
-
-	if (t->default_expr) {
-		gen_fprintf(f, "\treturn ");
-		gen_expr(f, t->default_expr);
-		gen_fprintf(f, ";\n");
-	} else
-		gen_fprintf(f, "\treturn \"\";\n");
-
-	gen_fprintf(f, "}\n\n");
-
-	symbols_pop(symroot);
-}
-
-static void
-gen_field_proto(FILE *f, struct _npl_statement_field *field, npl_protocol_t *p)
-{
-	/* XXX */
-	gen_fprintf(f, "\t << CALL PROTOCOL %s >>\n", p->id);
-	/* XXX, do we care? (only when not @ tail?) */
-	field->field_size = -1;
-}
-
-static void
-gen_field_struct(FILE *f, struct _npl_statement_field *field, npl_struct_t *s)
-{
-	// XXX st->f.bits, st->f.arr, st->f.format, st->f.sts
-	// XXX, st->f.generate_var
-
-	gen_fprintf(f, "\toffset = dissect_struct_%s(tvb, pinfo, tree, %s, offset);\n", s->tmpid, hfi_var(field->hfi));
-
-	field->hfi->hf_type = "FT_BYTES";
-	field->field_size = -1;
-}
-
-static void
-gen_field_size(FILE *f, struct symbol *sym_size, int size)
-{
-	if (sym_size) {
-		/* runtime */
-		if (sym_size->type == SYMBOL_FIELD) {
-			gen_fprintf(f, "_field_%s", sym_size->id);
-
-		} else if (sym_size->type == SYMBOL_EXPR) {
-			gen_fprintf(f, "(");
-			gen_expr(f, sym_size->data);
-			gen_fprintf(f, ") ");
-
-		} else if (sym_size->type == SYMBOL_SIMPLE) {
-			gen_fprintf(f, "%s ", (const char *) sym_size->data);
-
-		} else {
-			fprintf(stderr, "::: %s (%d)\n", sym_size->id, sym_size->type);
-			gen_fprintf(f, "<<SYMBOL %s>>\n", sym_size->id);
-		}
-
-	} else {
-		/* const */
-		gen_fprintf(f, "%d", size);
-	}
-}
-
-static void
-gen_field_type(FILE *f, struct _npl_statement_field *field, npl_type_t *t)
-{
-	struct symbol *symroot;
-	int i;
-
-	// XXX field.bits, field.arr, field.sts
-
-	int size = -1;
-	struct symbol *size_sym = NULL;
-
-	int byte_order = -1;
-	npl_expression_t *byte_order_expr;
-	struct symbol *byte_order_sym = NULL;
-
-	npl_expression_t *display_format;
-
-	const char *hf_type;
-
-	npl_expression_list_t *argv = field->params;
-	int argc = count_expression_list(argv);
-
-	if (t->params.count != argc) {
-		fprintf(stderr, "%s: number of params != number of argc (%d != %d)\n", t->id, t->params.count, argc);
-		abort();
-	}
-
-	symroot = symbols_push();
-
-	for (i = 0; i < argc; i++) {
-		symbol_add(t->params.args[i], SYMBOL_EXPR, argv->expr);
-		argv = argv->next;
-	}
-
-	xassert(t->size != NULL);
-	if (!expr_to_const_int(t->size, &size)) {
-		size_sym = expr_to_symbol(t->size);
-
-		if (!size_sym) {
-			fprintf(stderr, "!!! expr_to_const_int, _symbol(size) failed for type: %s\n", t->id);
-			abort();
-		}
-	}
-
-	if (field->byte_order_attr)
-		byte_order_expr = field->byte_order_attr;
-	else if (t->byte_order)
-		byte_order_expr = t->byte_order;
-	else
-		byte_order_expr = NULL;
-
-	if (field->format)
-		display_format = field->format;
-	else
-		display_format = t->display_format;
-
-	if (byte_order_expr) {
-		if (!expr_to_const_int(byte_order_expr, &byte_order)) {
-			byte_order_sym = expr_to_symbol(byte_order_expr);
-			if (!byte_order_sym) {
-				fprintf(stderr, "!!! expr_to_const_int, _symbol(byte_order) failed for type: %s\n", t->id);
-				abort();
-			}
-		}
-	}
-
-	if (field->generate_var) {
-		/* XXX, size_sym, byte_order_sym */
-
-		const char *ctype = type_to_ctype(t, size);
-		const char *fetch_func = type_to_tvb(t, size, byte_order);
-
-/*
-		if (!ctype || !fetch_func)
-			abort();
-*/
-
-		/* XXX, we should declare variable on begin of block (< C99) */
-		gen_fprintf(f, "\t%s _field_%s = %s(tvb, offset);\n", ctype, field->id, fetch_func);
-	}
-
-	if (size_sym) {
-		if (size_sym->type == SYMBOL_FIELD) {
-			struct _npl_statement_field *sym_field = size_sym->data;
-
-			xassert(sym_field->generate_var || f == NULL);
-
-			sym_field->generate_var = 1;
-		} else
-			fprintf(stderr, "::: %s (%d)\n", size_sym->id, size_sym->type);
-
-		hf_type = NULL;
-
-	} else
-		hf_type = type_to_ft(t, size);
-
-	field->hfi->hf_type = hf_type;
-	field->field_size = size;
-
-	/* XXX, when generate_var we can use fetched value, not proto_tree_add_item() */
-
-#if 0
-	if (display_format)
-		fprintf(stderr, "XXX, format\n");
-	else
-#endif
-	gen_fprintf(f, "\tproto_tree_add_item(tree, %s, tvb, offset, ", hfi_var(field->hfi));
-	/* XXX, emit temporary variable? expressions might be time-consuming, we could also check if size < 0 */
-	gen_field_size(f, size_sym, size);
-	gen_fprintf(f, ", %s);\n",
-		(byte_order == NPL_ENDIAN_LE) ? "ENC_LITTLE_ENDIAN" : 
-		(byte_order == NPL_ENDIAN_BE) ? "ENC_BIG_ENDIAN" : 
-		"ENC_NA");
-
-	gen_fprintf(f, "\toffset += ");
-	gen_field_size(f, size_sym, size);
-	gen_fprintf(f, ";\n");
-
-	symbols_pop(symroot);
-}
-
-static void
-gen_statement_field(FILE *f, struct parent_info *parent, struct _npl_statement_field *field, npl_attribute_list_t *attr_list)
-{
-	struct symbol *sym;
-	const char *property_name = NULL;
-	int property_flags = 0;
-
-	sym = symbol_find(field->t_id, SYMBOL_STRUCT | SYMBOL_PROTO | SYMBOL_TYPE);
-	if (!sym) {
-		fprintf(stderr, "can't find: %s\n", field->t_id);
-		abort();
-	}
-	sym->is_used = 1;
-
-	if (!field->hfi && sym->type != SYMBOL_PROTO) {
-		field->hfi = hfi_add(field, parent);
-		xassert(f == NULL);
-	}
-
-	symbol_add(field->id, SYMBOL_FIELD, field);
-
-	field->byte_order_attr = parent->byte_order;
-
-	/* already resolved */
-	while (attr_list) {
-		const char *attr_name = attr_list->resolved;
-		npl_expression_t *attr_expr = attr_list->assign_expr;
-		int attr_flags = attr_list->flags;
-
-		if (attr_name) {
-			if (!strcasecmp(attr_name, "DataFieldByteOrder")) {
-				xassert(attr_flags == 0);
-				xassert(attr_expr != NULL);
-
-				field->byte_order_attr = attr_expr;
-
-			} else if (attr_expr) {
-				if (attr_flags & ATTR_LOCAL) {
-					/* XXX, declare only when first use. support < C99 */
-					gen_fprintf(f, "\tTYPE _local_property_%s = ", attr_name);
-					gen_expr(f, attr_expr);
-					gen_fprintf(f, ";\n");
-				} else {
-					gen_fprintf(f, "<<PROPERTY(%d) %s = ", attr_flags, attr_name);
-					gen_expr(f, attr_expr);
-					gen_fprintf(f, ">>\n");
-				}
-
-			} else {
-				/* only one for now */
-				xassert(property_name == NULL);
-
-				property_name = attr_name;
-				property_flags = attr_flags;
-				field->generate_var = 1;
-			}
-		} else
-			fprintf(stderr, "!!! generating field attr: not resolved!\n");
-
-		attr_list = attr_list->next;
-	}
-
-	if (sym->type == SYMBOL_STRUCT)
-		gen_field_struct(f, field, sym->data);
-	else if (sym->type == SYMBOL_TYPE)
-		gen_field_type(f, field, sym->data);
-	else if (sym->type == SYMBOL_PROTO)
-		gen_field_proto(f, field, sym->data);
-	else {
-		/* XXX, SYMBOL_TABLE? */
-		fprintf(stderr, "%s: wrong type [%d]\n", sym->id, sym->type);
-		abort();
-	}
-
-	if (property_name) {
-		/* XXX */
-		gen_fprintf(f, "<<PROPERTY(%d) %s = FIELD %s>>\n", property_flags, property_name, field->id);
-	}
-}
-
-static void
-gen_statement(FILE *f, struct parent_info *parent, npl_statement_t *st)
-{
-	resolve_attr_list(st->attr_list);
-
-	switch (st->type) {
-		case STATEMENT_WHILE:
-			// XXX ->id
-			gen_fprintf(f, "\twhile (");
-			gen_expr(f, &st->w.expr);
-			gen_fprintf(f, ") {\n");
-
-			/* gen_fprintf(f, "\tconst int __while%d_offset = %d;\n", _while_id, offset); */
-
-			parent->cur_offset = -1;
-			gen_statements(f, parent, st->w.sts);
-
-			/* gen_fprintf(f, "\tassert(__while%d_offset > offset);\n", _while_id, offset); */
-
-			gen_fprintf(f, "\t}\n"); 
-			return;
-
-		case STATEMENT_STRUCT:
-			/* XXX, fix if we know size of structure */
-			parent->cur_offset = -1;
-			gen_struct(NULL, &st->s.data, NULL);
-			// XXX put st->s.data somewhere to create this proc.
-			gen_fprintf(f, "\toffset = dissect_struct_%s(tvb, pinfo, tree, hf_costam, offset);\n", st->s.data.tmpid);
-			return;
-
-		case STATEMENT_FIELD:
-			gen_statement_field(f, parent, &st->f, st->attr_list);
-			if (parent->cur_offset != -1) {
-				if (st->f.field_size != -1)
-					parent->cur_offset += st->f.field_size;
-				else
-					parent->cur_offset = -1;
-			}
-			return;
-
-		/* case STATEMENT_DYNAMIC_SWITCH: */
-		case STATEMENT_SWITCH:
-		{
-			struct npl_switch_case *c = st->sw.data.cases;
-
-			parent->cur_offset = -1;
-			if (st->sw.data.switch_expr) {
-				gen_fprintf(f, "\tswitch (");
-				gen_expr(f, st->sw.data.switch_expr);
-				gen_fprintf(f, ") {\n");
-
-				while (c) {
-					gen_fprintf(f, "\t\tcase ");
-					gen_expr(f, &c->e);
-					gen_fprintf(f, ":\n");
-
-					if (c->st) {
-						gen_fprintf(f, "\t\t");
-						gen_statement(f, parent, c->st);
-						gen_fprintf(f, "\t\t\tbreak;\n");
-					}
-					c = c->next;
-				}
-
-				if (st->sw.data.default_st) {
-					gen_fprintf(f, "\t\tdefault:\n");
-					gen_fprintf(f, "\t\t");
-					gen_statement(f, parent, st->sw.data.default_st);
-				}
-
-				gen_fprintf(f, "\t}\n");
-				return;
-			}
-
-			if (c) {
-				npl_statement_t *default_st = st->sw.data.default_st;
-
-				gen_fprintf(f, "\t");
-				while (c) {
-					npl_statement_t *case_st;
-					gen_fprintf(f, "if (");
-
-					gen_fprintf(f, "(");
-					gen_expr(f, &c->e);
-					gen_fprintf(f, ")");
-
-					case_st = c->st;
-					c = c->next;
-
-					while (c && !case_st) {
-						case_st = c->st;
-
-						gen_fprintf(f, " || ");
-						gen_fprintf(f, "(");
-						gen_expr(f, &c->e);
-						gen_fprintf(f, ")");
-						c = c->next;
-					}
-
-					if (!case_st) {
-						gen_fprintf(f, " || 1");
-						case_st = default_st;
-						default_st = NULL;
-					}
-					gen_fprintf(f, ") {\n");
-					gen_fprintf(f, "\t");
-					gen_statement(f, parent, case_st);
-					gen_fprintf(f, "\t} ");
-
-					if (c || default_st)
-						gen_fprintf(f, "else ");
-				}
-
-				if (default_st) {
-					gen_fprintf(f, "{\n");
-					gen_fprintf(f, "\t");
-					gen_statement(f, parent, default_st);
-					gen_fprintf(f, "\t}\n");
-				}
-
-			} else {
-				if (st->sw.data.default_st)
-					gen_statement(f, parent, st->sw.data.default_st);
-			}
-			return;
-		}
-	}
-	fprintf(stderr, "gen_statement: %d\n", st->type);
-}
-
-static void
-gen_statements(FILE *f, struct parent_info *parent, struct _npl_statements *sts)
-{
-	struct symbol *symroot;
-
-	symroot = symbols_push();
-
-	while (sts) {
-		gen_statement(f, parent, &sts->st);
-
-		sts = sts->next;
-	}
-
-	symbols_pop(symroot);
-}
-
-static void
-decl_protocol(npl_protocol_t *p)
-{
-	if (!p->sym)
-		p->sym = symbol_add(p->id, SYMBOL_PROTO, p);
-}
-
-static void
-gen_protocol(FILE *f, npl_protocol_t *p, npl_attribute_list_t *attr_list)
-{
-	struct parent_info this;
-	npl_expression_t *byte_order_attr = NULL;
-
-	p->sym->is_static = 1;
-	gen_fprintf(f, 
-		"static int\n"
-		"dissect_%s(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void *data _U_)\n", p->id);
-
-	/* XXX, use data */
-	xassert(p->params.count == 0);
-
-	gen_fprintf(f, "{\n");
-	gen_fprintf(f, 
-		"\tint offset = 0;\n"
-		"\tproto_tree *tree = NULL;\n"
-		"\tproto_item *ti = NULL;\n"
-		"\n"
-	);
-
-	resolve_attr_list(attr_list);
-	while (attr_list) {
-		const char *attr_name = attr_list->resolved;
-		npl_expression_t *attr_expr = attr_list->assign_expr;
-		int flags = attr_list->flags;
-
-		if (attr_name) {
-			if (!strcasecmp(attr_name, "DataTypeByteOrder")) {
-				xassert(flags == 0);
-				xassert(attr_expr != NULL);
-
-				byte_order_attr = attr_expr;
-			} else
-				fprintf(stderr, "!!! generating protocol attr: %s not handled!\n", attr_name);
-		} else
-			fprintf(stderr, "!!! generating protocol attr: not resolved!\n");
-
-		attr_list = attr_list->next;
-	}
-
-	gen_fprintf(f, "\tif (parent_tree) {\n");
-
-	if (p->format) {
-		/* TODO */
-		gen_fprintf(f, "\t\tti = proto_tree_add_protocol_format(parent_tree, proto_%s, tvb, offset, -1, ", p->id);
-		gen_fprintf(f, "\"TODO\"");
-		gen_expr(stderr, p->format);
-		gen_fprintf(f, ");\n");
-	} else
-		gen_fprintf(f, "\t\tti = proto_tree_add_item(parent_tree, proto_%s, tvb, offset, -1, ENC_NA);\n", p->id);
-
-	gen_fprintf(f, "\t\ttree = proto_item_add_subtree(ti, ett_%s);\n", p->id);
-	gen_fprintf(f, "\t}\n");
-
-	memset(&this, 0, sizeof(this));
-	this.id = p->id;
-	this.id = NULL;
-	this.byte_order = byte_order_attr;
-
-	gen_statements(f, &this, p->sts);
-
-	gen_fprintf(f, "\tproto_item_set_len(ti, offset);\n");
-	gen_fprintf(f, "\treturn offset;\n");
-	gen_fprintf(f, "}\n");
-	gen_fprintf(f, "\n");
-}
-
-static void
-decl_struct(npl_struct_t *s)
-{
-	if (!s->sym && s->id) {
-		s->tmpid = s->id;
-		s->sym = symbol_add(s->id, SYMBOL_STRUCT, s);
-	}
-}
-
-static void
-gen_struct(FILE *f, npl_struct_t *s, npl_attribute_list_t *attr_list)
-{
-	const char *id = s->tmpid;
-	struct parent_info this;
-
-	if (!id)
-		id = s->tmpid = s->id;
-
-	if (!id) {
-		static unsigned int _id = 0;
-		char tmp_id[32];
-
-		snprintf(tmp_id, sizeof(tmp_id), "_noname%u", ++_id);
-		id = s->tmpid = xstrdup(tmp_id);
-
-		xassert(f == NULL);
-	}
-
-	if (s->count_expr) {
-		/* TODO */
-		fprintf(stderr, "TODO: s->count_expr");
-	}
-
-	if (s->sym)
-		s->sym->is_static = 1;
-	gen_fprintf(f,
-			"static int\n"
-			"dissect_struct_%s(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, int hf_index%s, int offset)\n"
-			"{\n", id, s->private ? " _U_" : "");
-
-	if (!s->private) {
-		gen_fprintf(f, "\tconst int org_offset = offset;\n");
-
-		gen_fprintf(f, "\tproto_tree *tree = NULL;\n");
-		gen_fprintf(f, "\tproto_item *ti = NULL;\n");
-	} else
-		gen_fprintf(f, "\tproto_tree *tree = parent_tree;\n");
-
-	gen_fprintf(f,"\n");
-
-	resolve_attr_list(attr_list);
-	while (attr_list) {
-		const char *attr_name = attr_list->resolved;
-	/*
-		npl_expression_t *attr_expr = attr_list->assign_expr;
-		int attr_flags = attr_list->flags;
-	 */
-
-		if (attr_name) {
-			fprintf(stderr, "!!! generating struct attr: %s!\n", attr_name);
-		} else
-			fprintf(stderr, "!!! generating struct attr: not resolved!\n");
-
-		attr_list = attr_list->next;
-	}
-
-	if (!s->private) {
-/*
-		if (s->format) {
-			fprintf(stderr, "gen_struct() s->format: '");
-			gen_expr(stderr, s->format);
-			fprintf(stderr, "\n\n");
-		}
- */
-		if (!s->ett)
-			s->ett = ett_add(s);
-
-		gen_fprintf(f,
-			"\tif (parent_tree) {\n"
-			"\t\tti = proto_tree_add_bytes_format_value(parent_tree, hf_index, tvb, offset, %d, NULL, \"%s\");\n"
-			"\t\ttree = proto_item_add_subtree(ti, %s);\n"
-			"\t}\n", s->struct_size, "", ett_var(s->ett));
-
-	} else {
-		if (s->format)
-			fprintf(stderr, "s->private && s->format?\n");
-	}
-
-	memset(&this, 0, sizeof(this));
-	this.id = s->id;
-
-	gen_statements(f, &this, s->sts);
-	s->struct_size = this.cur_offset;
-
-	if (s->struct_size != -1) {
-		/* XXX, assert runtime s->struct_size == offset - org_offset (?) */
-	}
-
-	if (!s->private && s->struct_size == -1)
-		gen_fprintf(f, "\tproto_item_set_len(ti, offset - org_offset);\n");
-
-	if (s->struct_size == -1)
-		s->struct_size = 0;
-
-	gen_fprintf(f, "\treturn offset;\n");
-	gen_fprintf(f, "}\n");
-	gen_fprintf(f, "\n");
-}
-
-static void
-decl_const(npl_const_t *c)
-{
-	if (!c->sym)
-		c->sym = symbol_add(c->id, SYMBOL_EXPR, &c->expr);
-}
-
-#if 0
-static void
-gen_const(FILE *f, npl_const_t *c)
-{
-	gen_fprintf(f, "#define %s ", c->id);
-	gen_expr(f, &c->expr);
-	gen_fprintf(f, "\n");
-}
-#endif
-
-static void
-decl_type(npl_type_t *t)
-{
-	if (!t->sym)
-		t->sym = symbol_add(t->id, SYMBOL_TYPE, t);
-}
-
-static void
-walk_decl(FILE *f, npl_decl_t *d, int full_run)
-{
-	switch (d->type) {
-		case DECL_STRUCT:
-			decl_struct(&d->s.data);
-			if (!full_run)
-				return;
-			gen_struct(f, &d->s.data, d->attr_list);
-			return;
-		case DECL_TABLE:
-			xassert(d->attr_list == NULL);
-			decl_table(&d->t.data);
-			if (!full_run)
-				return;
-			gen_table(f, &d->t.data);
-			return;
-		case DECL_PROTOCOL:
-			decl_protocol(&d->p.data);
-			if (!full_run)
-				return;
-			gen_protocol(f, &d->p.data, d->attr_list);
-			return;
-		case DECL_CONST:
-			xassert(d->attr_list == NULL);
-			decl_const(&d->c.data);
-			if (!full_run)
-				return;
-			return;
-		case DECL_TYPE:
-			xassert(d->attr_list == NULL);
-			decl_type(&d->ty.data);
-			if (!full_run)
-				return;
-			return;
-		case DECL_INCLUDE:
-			xassert(d->attr_list == NULL);
-			/* done in parse_includes() */
-			return;
-	}
-	fprintf(stderr, "gen_decl() type: %d\n", d->type);
-}
-
-static void
-walk_code(FILE *f, npl_code_t *c, int full_run)
-{
-	struct _npl_decl_list *decl;
-
-	for (decl = c->decls; decl; decl = decl->next)
-		walk_decl(f, &decl->d, 0);
-
-	if (!full_run)
-		return;
-
-	for (decl = c->decls; decl; decl = decl->next)
-		walk_decl(f, &decl->d, full_run);
-}
-
-static void
-parse_includes(npl_code_t *c)
-{
-	struct _npl_decl_list *decl;
-
-	for (decl = c->decls; decl; decl = decl->next) {
-		if (decl->d.type == DECL_INCLUDE) {
-			const char *filename = decl->d.i.file;
-			FILE *f;
-
-			npl_code_t icode;
-			int parse_ok;
-
-			if (!(f = fopen(filename, "rb"))) {
-				fprintf(stderr, "can't open: %s\n", filename);
-				abort();
-			}
-			memset(&icode, 0, sizeof(icode));
-			parse_ok = npl_parse_file(&icode, f, filename);
-			fclose(f);
-
-			if (!parse_ok) {
-				fprintf(stderr, "can't parse %s\n", filename);
-				abort();
-			}
-
-			parse_includes(&icode);
-			walk_code(NULL, &icode, 0);
-		}
-	}
-}
-
-static void
-gen_vars(FILE *f)
-{
-	struct hfinfo *hfi;
-	struct ettinfo *ett;
-
-	for (hfi = hfs; hfi; hfi = hfi->next)
-		gen_fprintf(f, "static int %s = -1;\n", hfi_var(hfi));
-	gen_fprintf(f, "\n");
-
-	for (ett = etts; ett; ett = ett->next)
-		gen_fprintf(f, "static int %s = -1;\n", ett_var(ett));
-	gen_fprintf(f, "\n");
-}
-
-static void
-gen_proto_register(FILE *f, const char *proto_name)
-{
-	struct hfinfo *hfi;
-	struct ettinfo *ett;
-
-	gen_fprintf(f, 
-		"void\n"
-		"proto_register_%s(void)\n"
-		"{\n", proto_name);
-
-	/* hf array */
-	gen_fprintf(f, "\tstatic hf_register_info hf[] = {\n");
-	for (hfi = hfs; hfi; hfi = hfi->next) {
-		gen_fprintf(f,
-			"\t\t{ &%s,\n"
-				"\t\t\t{ \"%s\", \"%s.%s\", %s, %s, NULL, 0x%.2x, NULL, HFILL }\n"
-			"\t\t},\n", hfi_var(hfi), hfi_name(hfi), proto_name, hfi_filter(hfi), hfi_type(hfi), hfi_display(hfi), hfi_mask(hfi) );
-	}
-	gen_fprintf(f, "\t};\n\n");
-
-	/* ett array */
-	gen_fprintf(f, "\tstatic gint *ett[] = {\n");
-	for (ett = etts; ett; ett = ett->next)
-		gen_fprintf(f, "\t\t&%s,\n", ett_var(ett));
-	gen_fprintf(f, "\t};\n\n");
-
-
-	gen_fprintf(f, "\tproto_%s = proto_register_protocol(\"%s\", \"%s\", \"%s\");\n\n", proto_name, proto_name, proto_name, proto_name);
-
-	gen_fprintf(f, "\tproto_register_field_array(proto_%s, hf, array_length(hf));\n", proto_name);
-	gen_fprintf(f, "\tproto_register_subtree_array(ett, array_length(ett));\n");
-
-	gen_fprintf(f, "}\n\n");
-}
-
-static void
-gen_proto_handoff(FILE *f, const char *proto_name)
-{
-	gen_fprintf(f,
-		"void\n"
-		"proto_reg_handoff_%s(void)\n"
-		"{\n", proto_name);
-
-	gen_fprintf(f, "\tdissector_handle_t %s_handle = create_dissector_handle(dissect_%s, proto_%s);\n", proto_name, proto_name, proto_name);
-
-#if 0
-	dissector_add_uint("REG", XXX, %s_handle);
-
-	xml_handle = find_dissector("xml");
-#endif
-	gen_fprintf(f, "}\n\n");
-}
-
-static const npl_protocol_t *
-get_protocol(npl_code_t *code)
-{
-	struct _npl_decl_list *decl;
-
-	for (decl = code->decls; decl; decl = decl->next) {
-		/* XXX, for now return first */
-		if (decl->d.type == DECL_PROTOCOL)
-			return &decl->d.p.data;
-	}
-	return NULL;
-}
-
-static void
-merge_code(npl_code_t *code, npl_code_t *subcode)
-{
-	struct _npl_decl_list **p = &code->decls;
-
-	while (*p)
-		p = &(*p)->next;
-
-	*p = subcode->decls;
-}
-
-/* XXX, move to checker.c */
-static void
-check_code(npl_code_t *code)
-{
-	parse_includes(code);
-	walk_code(NULL, code, 1);
-}
-
-/* XXX, move to generator-c.c */
-static void
-generate_code(npl_code_t *code)
-{
-	const npl_protocol_t *proto = get_protocol(code);
-	const char *proto_name = (proto) ? proto->id : "noname";
-	FILE *out;
-	struct symbol *sym;
-
-	out = fopen("/tmp/npl.c", "w");
-
-	/* includes */
-	gen_fprintf(out, "#include \"config.h\"\n");
-	gen_fprintf(out, "#include <glib.h>\n");
-	gen_fprintf(out, "#include <epan/packet.h>\n");
-	gen_fprintf(out, "\n");
-
-	/* declare forward (or extern) */
-	/* XXX, not enough to generate from table (like private structs) */
-	for (sym = symbols; sym; sym = sym->next) {
-		const char *sstatic = (sym->is_static) ? "static " : "";
-
-		if (!sym->is_used)
-			continue;
-
-		switch (sym->type) {
-			case SYMBOL_TABLE:
-				gen_fprintf(out, "%sconst char *format_table_%s(...);\n", sstatic, sym->id);
-				break;
-			case SYMBOL_STRUCT:
-				gen_fprintf(out, "%sint dissect_struct_%s(tvbuff_t *, packet_info *, proto_tree *, int, int);\n", sstatic, sym->id);
-				break;
-			case SYMBOL_PROTO:
-				gen_fprintf(out, "%sint dissect_%s(tvbuff_t *, packet_info *, proto_tree *, void *);\n", sstatic, sym->id);
-				break;
-		}
-	}
-	gen_fprintf(out, "\n");
-
-	gen_fprintf(out, "static int proto_%s = -1;\n", proto_name);
-	gen_fprintf(out, "static int ett_%s = -1;\n", proto_name);
-	gen_vars(out);
-
-	walk_code(out, code, 1);
-
-	gen_proto_register(out, proto_name);
-	gen_proto_handoff(out, proto_name);
-
-	fclose(out);
-}
-
-int main(int argc, char **argv) {
-	FILE *f;
-	npl_code_t code;
-
-	int i;
-
-	if (argc < 2) {
-		fprintf(stderr, "usage: %s filename\n", argv[0]);
-		return 1;
-	}
-
-	/* build-in expressions */
-	symbol_add("FrameOffset", SYMBOL_SIMPLE, "offset");
-	symbol_add("FrameData", SYMBOL_SIMPLE, "tvb");
-	symbol_add("this", SYMBOL_EXPR, &this_e);
-
-	/* built-in functions */
-	symbol_add("FormatString", SYMBOL_EXPR, &format_string_e);
-	symbol_add("IsValueNone", SYMBOL_EXPR, &is_value_none_e);
-
-	/* built-in structs (?) */
-	symbol_add("Property", SYMBOL_EXPR, &property_e); /* XXX, SYMBOL_STRUCT */
-	symbol_add("Global", SYMBOL_EXPR, &global_e); /* XXX, SYMBOL_STRUCT */
-	symbol_add("Local", SYMBOL_EXPR, &local_e); /* XXX, SYMBOL_STRUCT */
-
-	memset(&code, 0, sizeof(code));
-
-	for (i = 1; i < argc; i++) {
-		npl_code_t mcode;
-		int parse_ok;
-
-		if (!(f = fopen(argv[i], "rb"))) {
-			fprintf(stderr, "can't open: %s\n", argv[i]);
-			continue;
-			return 1;
-		}
-
-		memset(&mcode, 0, sizeof(mcode));
-		parse_ok = npl_parse_file(&mcode, f, argv[i]);
-		fclose(f);
-
-		if (!parse_ok) {
-			fprintf(stderr, "can't parse: %s\n", argv[i]);
-			return 1;
-		}
-
-		merge_code(&code, &mcode);
-	}
-
-	check_code(&code);
-	generate_code(&code);
-
-	return 0;
-}
-
-/*
- * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
- *
- * Local variables:
- * c-basic-offset: 8
- * tab-width: 8
- * indent-tabs-mode: t
- * End:
- *
- * vi: set shiftwidth=8 tabstop=8 noexpandtab:
- * :indentSize=8:tabSize=8:noTabs=false:
- */