This commit was manufactured by cvs2svn to create tag 'GDM_2_2_5_5'.GDM_2_2_5_5

svn path=/tags/GDM_2_2_5_5/; revision=15368

1 files changed, 0 insertions, 1291 deletions

diff --git a/e-util/e-sexp.c b/e-util/e-sexp.c
deleted file mode 100644
index 3a2a37d5fb..0000000000
--- a/e-util/e-sexp.c
+++ /dev/null
@@ -1,1291 +0,0 @@
-/* 
- * Copyright 2000 Ximian (www.ximian.com).
- *
- * A simple, extensible s-exp evaluation engine.
- *
- * Author : 
- *  Michael Zucchi <notzed@ximian.com>
-
- * This program is free software; you can redistribute it and/or 
- * modify it under the terms of version 2 of the GNU General Public 
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
- */
-
-/*
-  The following built-in s-exp's are supported:
-
-  list = (and list*)
-	perform an intersection of a number of lists, and return that.
-
-  bool = (and bool*)
-	perform a boolean AND of boolean values.
-
-  list = (or list*)
-	perform a union of a number of lists, returning the new list.
-
-  bool = (or bool*)
-	perform a boolean OR of boolean values.
-
-  int = (+ int*)
-	Add integers.
-
-  string = (+ string*)
-	Concat strings.
-
-  time_t = (+ time_t*)
-	Add time_t values.
-
-  int = (- int int*)
-	Subtract integers from the first.
-
-  time_t = (- time_t*)
-	Subtract time_t values from the first.
-
-  Comparison operators:
-
-  bool = (< int int)
-  bool = (> int int)
-  bool = (= int int)
-
-  bool = (< string string)
-  bool = (> string string)
-  bool = (= string string)
-
-  bool = (< time_t time_t)
-  bool = (> time_t time_t)
-  bool = (= time_t time_t)
-	Perform a comparision of 2 integers, 2 string values, or 2 time values.
-
-  Function flow:
-
-  type = (if bool function)
-  type = (if bool function function)
-  	Choose a flow path based on a boolean value
-
-  type = (begin  func func func)
-        Execute a sequence.  The last function return is the return type.
-*/
-
-#include "e-sexp.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <string.h>
-
-#include <glib.h>
-#include "e-memory.h"
-#define p(x)			/* parse debug */
-#define r(x)			/* run debug */
-#define d(x)			/* general debug */
-
-
-static struct _ESExpTerm * parse_list(ESExp *f, int gotbrace);
-static struct _ESExpTerm * parse_value(ESExp *f);
-
-static void parse_dump_term(struct _ESExpTerm *t, int depth);
-
-#ifdef E_SEXP_IS_GTK_OBJECT
-static GtkObjectClass *parent_class;
-#endif
-
-static GScannerConfig scanner_config =
-{
-	( " \t\r\n")		/* cset_skip_characters */,
-	( G_CSET_a_2_z
-	  "_+-<=>?"
-	  G_CSET_A_2_Z)		/* cset_identifier_first */,
-	( G_CSET_a_2_z
-	  "_0123456789-<>?"
-	  G_CSET_A_2_Z
-	  G_CSET_LATINS
-	  G_CSET_LATINC	)	/* cset_identifier_nth */,
-	( ";\n" )		/* cpair_comment_single */,
-  
-	FALSE			/* case_sensitive */,
-  
-	TRUE			/* skip_comment_multi */,
-	TRUE			/* skip_comment_single */,
-	TRUE			/* scan_comment_multi */,
-	TRUE			/* scan_identifier */,
-	TRUE			/* scan_identifier_1char */,
-	FALSE			/* scan_identifier_NULL */,
-	TRUE			/* scan_symbols */,
-	FALSE			/* scan_binary */,
-	TRUE			/* scan_octal */,
-	TRUE			/* scan_float */,
-	TRUE			/* scan_hex */,
-	FALSE			/* scan_hex_dollar */,
-	TRUE			/* scan_string_sq */,
-	TRUE			/* scan_string_dq */,
-	TRUE			/* numbers_2_int */,
-	FALSE			/* int_2_float */,
-	FALSE			/* identifier_2_string */,
-	TRUE			/* char_2_token */,
-	FALSE			/* symbol_2_token */,
-	FALSE			/* scope_0_fallback */,
-};
-
-/* jumps back to the caller of f->failenv, only to be called from inside a callback */
-void
-e_sexp_fatal_error(struct _ESExp *f, char *why, ...)
-{
-	va_list args;
-
-	if (f->error)
-		g_free(f->error);
-	
-	va_start(args, why);
-	f->error = g_strdup_vprintf(why, args);
-	va_end(args);
-
-	longjmp(f->failenv, 1);
-}
-
-const char *
-e_sexp_error(struct _ESExp *f)
-{
-	return f->error;
-}
-
-struct _ESExpResult *
-e_sexp_result_new(struct _ESExp *f, int type)
-{
-	struct _ESExpResult *r = e_memchunk_alloc0(f->result_chunks);
-	r->type = type;
-	return r;
-}
-
-void
-e_sexp_result_free(struct _ESExp *f, struct _ESExpResult *t)
-{
-	if (t == NULL)
-		return;
-
-	switch(t->type) {
-	case ESEXP_RES_ARRAY_PTR:
-		g_ptr_array_free(t->value.ptrarray, TRUE);
-		break;
-	case ESEXP_RES_BOOL:
-	case ESEXP_RES_INT:
-	case ESEXP_RES_TIME:
-		break;
-	case ESEXP_RES_STRING:
-		g_free(t->value.string);
-		break;
-	case ESEXP_RES_UNDEFINED:
-		break;
-	default:
-		g_assert_not_reached();
-	}
-	e_memchunk_free(f->result_chunks, t);
-}
-
-/* used in normal functions if they have to abort, and free their arguments */
-void
-e_sexp_resultv_free(struct _ESExp *f, int argc, struct _ESExpResult **argv)
-{
-	int i;
-
-	for (i=0;i<argc;i++) {
-		e_sexp_result_free(f, argv[i]);
-	}
-}
-
-/* implementations for the builtin functions */
-
-/* can you tell, i dont like glib? */
-/* we can only itereate a hashtable from a called function */
-struct _glib_sux_donkeys {
-	int count;
-	GPtrArray *uids;
-};
-
-/* ok, store any values that are in all sets */
-static void
-g_lib_sux_htand(char *key, int value, struct _glib_sux_donkeys *fuckup)
-{
-	if (value == fuckup->count) {
-		g_ptr_array_add(fuckup->uids, key);
-	}
-}
-
-/* or, store all unique values */
-static void
-g_lib_sux_htor(char *key, int value, struct _glib_sux_donkeys *fuckup)
-{
-	g_ptr_array_add(fuckup->uids, key);
-}
-
-static ESExpResult *
-term_eval_and(struct _ESExp *f, int argc, struct _ESExpTerm **argv, void *data)
-{
-	struct _ESExpResult *r, *r1;
-	GHashTable *ht = g_hash_table_new(g_str_hash, g_str_equal);
-	struct _glib_sux_donkeys lambdafoo;
-	int type=-1;
-	int bool = TRUE;
-	int i;
-	
-	r(printf("( and\n"));
-
-	r = e_sexp_result_new(f, ESEXP_RES_UNDEFINED);
-	
-	for (i=0;bool && i<argc;i++) {
-		r1 = e_sexp_term_eval(f, argv[i]);
-		if (type == -1)
-			type = r1->type;
-		if (type != r1->type) {
-			e_sexp_result_free(f, r);
-			e_sexp_result_free(f, r1);
-			g_hash_table_destroy(ht);
-			e_sexp_fatal_error(f, "Invalid types in AND");
-		} else if (r1->type == ESEXP_RES_ARRAY_PTR) {
-			char **a1;
-			int l1, j;
-			
-			a1 = (char **)r1->value.ptrarray->pdata;
-			l1 = r1->value.ptrarray->len;
-			for (j=0;j<l1;j++) {
-				int n;
-				n = (int)g_hash_table_lookup(ht, a1[j]);
-				g_hash_table_insert(ht, a1[j], (void *)n+1);
-			}
-		} else if (r1->type == ESEXP_RES_BOOL) {
-			bool = bool && r1->value.bool;
-		}
-		e_sexp_result_free(f, r1);
-	}
-	
-	if (type == ESEXP_RES_ARRAY_PTR) {
-		lambdafoo.count = argc;
-		lambdafoo.uids = g_ptr_array_new();
-		g_hash_table_foreach(ht, (GHFunc)g_lib_sux_htand, &lambdafoo);
-		r->type = ESEXP_RES_ARRAY_PTR;
-		r->value.ptrarray = lambdafoo.uids;
-	} else if (type == ESEXP_RES_BOOL) {
-		r->type = ESEXP_RES_BOOL;
-		r->value.bool = bool;
-	}
-	
-	g_hash_table_destroy(ht);
-	
-	return r;
-}
-
-static ESExpResult *
-term_eval_or(struct _ESExp *f, int argc, struct _ESExpTerm **argv, void *data)
-{
-	struct _ESExpResult *r, *r1;
-	GHashTable *ht = g_hash_table_new(g_str_hash, g_str_equal);
-	struct _glib_sux_donkeys lambdafoo;
-	int type = -1;
-	int bool = FALSE;
-	int i;
-	
-	r(printf("(or \n"));
-
-	r = e_sexp_result_new(f, ESEXP_RES_UNDEFINED);
-	
-	for (i=0;!bool && i<argc;i++) {
-		r1 = e_sexp_term_eval(f, argv[i]);
-		if (type == -1)
-			type = r1->type;
-		if (r1->type != type) {
-			e_sexp_result_free(f, r);
-			e_sexp_result_free(f, r1);
-			g_hash_table_destroy(ht);
-			e_sexp_fatal_error(f, "Invalid types in OR");
-		} else if (r1->type == ESEXP_RES_ARRAY_PTR) {
-			char **a1;
-			int l1, j;
-			
-			a1 = (char **)r1->value.ptrarray->pdata;
-			l1 = r1->value.ptrarray->len;
-			for (j=0;j<l1;j++) {
-				g_hash_table_insert(ht, a1[j], (void *)1);
-			}
-		} else if (r1->type == ESEXP_RES_BOOL) {
-			bool |= r1->value.bool;				
-		}
-		e_sexp_result_free(f, r1);
-	}
-	
-	if (type == ESEXP_RES_ARRAY_PTR) {
-		lambdafoo.count = argc;
-		lambdafoo.uids = g_ptr_array_new();
-		g_hash_table_foreach(ht, (GHFunc)g_lib_sux_htor, &lambdafoo);
-		r->type = ESEXP_RES_ARRAY_PTR;
-		r->value.ptrarray = lambdafoo.uids;
-	} else if (type == ESEXP_RES_BOOL) {
-		r->type = ESEXP_RES_BOOL;
-		r->value.bool = bool;
-	}
-	g_hash_table_destroy(ht);
-	
-	return r;
-}
-
-static ESExpResult *
-term_eval_not(struct _ESExp *f, int argc, struct _ESExpResult **argv, void *data)
-{
-	int res = TRUE;
-	ESExpResult *r;
-
-	if (argc>0) {
-		if (argv[0]->type == ESEXP_RES_BOOL
-		    && argv[0]->value.bool)
-			res = FALSE;
-	}
-	r = e_sexp_result_new(f, ESEXP_RES_BOOL);
-	r->value.bool = res;
-	return r;
-}
-
-/* this should support all arguments ...? */
-static ESExpResult *
-term_eval_lt(struct _ESExp *f, int argc, struct _ESExpTerm **argv, void *data)
-{
-	struct _ESExpResult *r, *r1, *r2;
-
-	r = e_sexp_result_new(f, ESEXP_RES_UNDEFINED);
-	
-	if (argc == 2) {
-		r1 = e_sexp_term_eval(f, argv[0]);
-		r2 = e_sexp_term_eval(f, argv[1]);
-		if (r1->type != r2->type) {
-			e_sexp_result_free(f, r1);
-			e_sexp_result_free(f, r2);
-			e_sexp_result_free(f, r);
-			e_sexp_fatal_error(f, "Incompatible types in compare <");
-		} else if (r1->type == ESEXP_RES_INT) {
-			r->type = ESEXP_RES_BOOL;
-			r->value.bool = r1->value.number < r2->value.number;
-		} else if (r1->type == ESEXP_RES_TIME) {
-			r->type = ESEXP_RES_BOOL;
-			r->value.bool = r1->value.time < r2->value.time;
-		} else if (r1->type == ESEXP_RES_STRING) {
-			r->type = ESEXP_RES_BOOL;
-			r->value.bool = strcmp(r1->value.string, r2->value.string) < 0;
-		}
-		e_sexp_result_free(f, r1);
-		e_sexp_result_free(f, r2);
-	}
-	return r;
-}
-
-/* this should support all arguments ...? */
-static ESExpResult *
-term_eval_gt(struct _ESExp *f, int argc, struct _ESExpTerm **argv, void *data)
-{
-	struct _ESExpResult *r, *r1, *r2;
-
-	r = e_sexp_result_new(f, ESEXP_RES_UNDEFINED);
-	
-	if (argc == 2) {
-		r1 = e_sexp_term_eval(f, argv[0]);
-		r2 = e_sexp_term_eval(f, argv[1]);
-		if (r1->type != r2->type) {
-			e_sexp_result_free(f, r1);
-			e_sexp_result_free(f, r2);
-			e_sexp_result_free(f, r);
-			e_sexp_fatal_error(f, "Incompatible types in compare >");
-		} else if (r1->type == ESEXP_RES_INT) {
-			r->type = ESEXP_RES_BOOL;
-			r->value.bool = r1->value.number > r2->value.number;
-		} else if (r1->type == ESEXP_RES_TIME) {
-			r->type = ESEXP_RES_BOOL;
-			r->value.bool = r1->value.time > r2->value.time;
-		} else if (r1->type == ESEXP_RES_STRING) {
-			r->type = ESEXP_RES_BOOL;
-			r->value.bool = strcmp(r1->value.string, r2->value.string) > 0;
-		}
-		e_sexp_result_free(f, r1);
-		e_sexp_result_free(f, r2);
-	}
-	return r;
-}
-
-/* this should support all arguments ...? */
-static ESExpResult *
-term_eval_eq(struct _ESExp *f, int argc, struct _ESExpTerm **argv, void *data)
-{
-	struct _ESExpResult *r, *r1, *r2;
-
-	r = e_sexp_result_new(f, ESEXP_RES_BOOL);
-	
-	if (argc == 2) {
-		r1 = e_sexp_term_eval(f, argv[0]);
-		r2 = e_sexp_term_eval(f, argv[1]);
-		if (r1->type != r2->type) {
-			r->value.bool = FALSE;
-		} else if (r1->type == ESEXP_RES_INT) {
-			r->value.bool = r1->value.number == r2->value.number;
-		} else if (r1->type == ESEXP_RES_BOOL) {
-			r->value.bool = r1->value.bool == r2->value.bool;
-		} else if (r1->type == ESEXP_RES_TIME) {
-			r->value.bool = r1->value.time == r2->value.time;
-		} else if (r1->type == ESEXP_RES_STRING) {
-			r->value.bool = strcmp(r1->value.string, r2->value.string) == 0;
-		}
-		e_sexp_result_free(f, r1);
-		e_sexp_result_free(f, r2);
-	}
-	return r;
-}
-
-static ESExpResult *
-term_eval_plus(struct _ESExp *f, int argc, struct _ESExpResult **argv, void *data)
-{
-	struct _ESExpResult *r=NULL;
-	int type;
-	int i;
-
-	if (argc>0) {
-		type = argv[0]->type;
-		switch(type) {
-		case ESEXP_RES_INT: {
-			int total = argv[0]->value.number;
-			for (i=1;i<argc && argv[i]->type == ESEXP_RES_INT;i++) {
-				total += argv[i]->value.number;
-			}
-			if (i<argc) {
-				e_sexp_resultv_free(f, argc, argv);
-				e_sexp_fatal_error(f, "Invalid types in (+ ints)");
-			}
-			r = e_sexp_result_new(f, ESEXP_RES_INT);
-			r->value.number = total;
-			break; }
-		case ESEXP_RES_STRING: {
-			GString *s = g_string_new(argv[0]->value.string);
-			for (i=1;i<argc && argv[i]->type == ESEXP_RES_STRING;i++) {
-				g_string_append(s, argv[i]->value.string);
-			}
-			if (i<argc) {
-				e_sexp_resultv_free(f, argc, argv);
-				e_sexp_fatal_error(f, "Invalid types in (+ strings)");
-			}
-			r = e_sexp_result_new(f, ESEXP_RES_STRING);
-			r->value.string = s->str;
-			g_string_free(s, FALSE);
-			break; }
-		case ESEXP_RES_TIME: {
-			time_t total;
-
-			total = argv[0]->value.time;
-
-			for (i = 1; i < argc && argv[i]->type == ESEXP_RES_TIME; i++)
-				total += argv[i]->value.time;
-
-			if (i < argc) {
-				e_sexp_resultv_free (f, argc, argv);
-				e_sexp_fatal_error (f, "Invalid types in (+ time_t)");
-			}
-
-			r = e_sexp_result_new (f, ESEXP_RES_TIME);
-			r->value.time = total;
-			break; }
-		}
-	}
-
-	if (!r) {
-		r = e_sexp_result_new(f, ESEXP_RES_INT);
-		r->value.number = 0;
-	}
-	return r;
-}
-
-static ESExpResult *
-term_eval_sub(struct _ESExp *f, int argc, struct _ESExpResult **argv, void *data)
-{
-	struct _ESExpResult *r=NULL;
-	int type;
-	int i;
-
-	if (argc>0) {
-		type = argv[0]->type;
-		switch(type) {
-		case ESEXP_RES_INT: {
-			int total = argv[0]->value.number;
-			for (i=1;i<argc && argv[i]->type == ESEXP_RES_INT;i++) {
-				total -= argv[i]->value.number;
-			}
-			if (i<argc) {
-				e_sexp_resultv_free(f, argc, argv);
-				e_sexp_fatal_error(f, "Invalid types in -");
-			}
-			r = e_sexp_result_new(f, ESEXP_RES_INT);
-			r->value.number = total;
-			break; }
-		case ESEXP_RES_TIME: {
-			time_t total;
-
-			total = argv[0]->value.time;
-
-			for (i = 1; i < argc && argv[i]->type == ESEXP_RES_TIME; i++)
-				total -= argv[i]->value.time;
-
-			if (i < argc) {
-				e_sexp_resultv_free (f, argc, argv);
-				e_sexp_fatal_error (f, "Invalid types in (- time_t)");
-			}
-
-			r = e_sexp_result_new (f, ESEXP_RES_TIME);
-			r->value.time = total;
-			break; }
-		}
-	}
-
-	if (!r) {
-		r = e_sexp_result_new(f, ESEXP_RES_INT);
-		r->value.number = 0;
-	}
-	return r;
-}
-
-/* implements 'if' function */
-static ESExpResult *
-term_eval_if(struct _ESExp *f, int argc, struct _ESExpTerm **argv, void *data)
-{
-	struct _ESExpResult *r;
-	int doit;
-
-	if (argc >=2 && argc<=3) {
-		r = e_sexp_term_eval(f, argv[0]);
-		doit = (r->type == ESEXP_RES_BOOL && r->value.bool);
-		e_sexp_result_free(f, r);
-		if (doit) {
-			return e_sexp_term_eval(f, argv[1]);
-		} else if (argc>2) {
-			return e_sexp_term_eval(f, argv[2]);
-		}
-	}
-	return e_sexp_result_new(f, ESEXP_RES_UNDEFINED);
-}
-
-/* implements 'begin' statement */
-static ESExpResult *
-term_eval_begin(struct _ESExp *f, int argc, struct _ESExpTerm **argv, void *data)
-{
-	struct _ESExpResult *r=NULL;
-	int i;
-
-	for (i=0;i<argc;i++) {
-		if (r)
-			e_sexp_result_free(f, r);
-		r = e_sexp_term_eval(f, argv[i]);
-	}
-	if (r)
-		return r;
-	else
-		return e_sexp_result_new(f, ESEXP_RES_UNDEFINED);
-}
-
-
-/* this must only be called from inside term evaluation callbacks! */
-struct _ESExpResult *
-e_sexp_term_eval(struct _ESExp *f, struct _ESExpTerm *t)
-{
-	struct _ESExpResult *r = NULL;
-	int i;
-	struct _ESExpResult **argv;
-
-	g_return_val_if_fail(t != NULL, NULL);
-
-	r(printf("eval term :\n"));
-	r(parse_dump_term(t, 0));
-
-	switch (t->type) {
-	case ESEXP_TERM_STRING:
-		r(printf(" (string \"%s\")\n", t->value.string));
-		r = e_sexp_result_new(f, ESEXP_RES_STRING);
-		/* erk, this shoul;dn't need to strdup this ... */
-		r->value.string = g_strdup(t->value.string);
-		break;
-	case ESEXP_TERM_INT:
-		r(printf(" (int %d)\n", t->value.number));
-		r = e_sexp_result_new(f, ESEXP_RES_INT);
-		r->value.number = t->value.number;
-		break;
-	case ESEXP_TERM_BOOL:
-		r(printf(" (int %d)\n", t->value.number));
-		r = e_sexp_result_new(f, ESEXP_RES_BOOL);
-		r->value.bool = t->value.bool;
-		break;
-	case ESEXP_TERM_TIME:
-		r(printf(" (time_t %d)\n", t->value.time));
-		r = e_sexp_result_new (f, ESEXP_RES_TIME);
-		r->value.time = t->value.time;
-		break;
-	case ESEXP_TERM_IFUNC:
-		if (t->value.func.sym->f.ifunc)
-			r = t->value.func.sym->f.ifunc(f, t->value.func.termcount, t->value.func.terms, t->value.func.sym->data);
-		break;
-	case ESEXP_TERM_FUNC:
-		/* first evaluate all arguments to result types */
-		argv = alloca(sizeof(argv[0]) * t->value.func.termcount);
-		for (i=0;i<t->value.func.termcount;i++) {
-			argv[i] = e_sexp_term_eval(f, t->value.func.terms[i]);
-		}
-		/* call the function */
-		if (t->value.func.sym->f.func)
-			r = t->value.func.sym->f.func(f, t->value.func.termcount, argv, t->value.func.sym->data);
-
-		e_sexp_resultv_free(f, t->value.func.termcount, argv);
-		break;
-	default:
-		e_sexp_fatal_error(f, "Unknown type in parse tree: %d", t->type);
-	}
-
-	if (r==NULL)
-		r = e_sexp_result_new(f, ESEXP_RES_UNDEFINED);
-
-	return r;
-}
-
-#ifdef TESTER
-static void
-eval_dump_result(ESExpResult *r, int depth)
-{
-	int i;
-	
-	if (r==NULL) {
-		printf("null result???\n");
-		return;
-	}
-
-	for (i=0;i<depth;i++)
-		printf("   ");
-
-	switch (r->type) {
-	case ESEXP_RES_ARRAY_PTR:
-		printf("array pointers\n");
-		break;
-	case ESEXP_RES_INT:
-		printf("int: %d\n", r->value.number);
-		break;
-	case ESEXP_RES_STRING:
-		printf("string: '%s'\n", r->value.string);
-		break;
-	case ESEXP_RES_BOOL:
-		printf("bool: %c\n", r->value.bool?'t':'f');
-		break;
-	case ESEXP_RES_TIME:
-		printf("time_t: %ld\n", (long) r->value.time);
-		break;
-	case ESEXP_RES_UNDEFINED:
-		printf(" <undefined>\n");
-		break;
-	}
-	printf("\n");
-}
-#endif
-
-static void
-parse_dump_term(struct _ESExpTerm *t, int depth)
-{
-	int i;
-
-	if (t==NULL) {
-		printf("null term??\n");
-		return;
-	}
-
-	for (i=0;i<depth;i++)
-		printf("   ");
-	
-	switch (t->type) {
-	case ESEXP_TERM_STRING:
-		printf(" \"%s\"", t->value.string);
-		break;
-	case ESEXP_TERM_INT:
-		printf(" %d", t->value.number);
-		break;
-	case ESEXP_TERM_BOOL:
-		printf(" #%c", t->value.bool?'t':'f');
-		break;
-	case ESEXP_TERM_TIME:
-		printf(" %ld", (long) t->value.time);
-		break;
-	case ESEXP_TERM_IFUNC:
-	case ESEXP_TERM_FUNC:
-		printf(" (function %s\n", t->value.func.sym->name);
-		/*printf(" [%d] ", t->value.func.termcount);*/
-		for (i=0;i<t->value.func.termcount;i++) {
-			parse_dump_term(t->value.func.terms[i], depth+1);
-		}
-		for (i=0;i<depth;i++)
-			printf("   ");
-		printf(" )");
-		break;
-	case ESEXP_TERM_VAR:
-		printf(" (variable %s )\n", t->value.var->name);
-		break;
-	default:
-		printf("unknown type: %d\n", t->type);
-	}
-
-	printf("\n");
-}
-
-/*
-  PARSER
-*/
-
-static struct _ESExpTerm *
-parse_term_new(struct _ESExp *f, int type)
-{
-	struct _ESExpTerm *s = e_memchunk_alloc0(f->term_chunks);
-	s->type = type;
-	return s;
-}
-
-static void
-parse_term_free(struct _ESExp *f, struct _ESExpTerm *t)
-{
-	int i;
-
-	if (t==NULL) {
-		return;
-	}
-	
-	switch (t->type) {
-	case ESEXP_TERM_INT:
-	case ESEXP_TERM_BOOL:
-	case ESEXP_TERM_TIME:
-	case ESEXP_TERM_VAR:
-		break;
-
-	case ESEXP_TERM_STRING:
-		g_free(t->value.string);
-		break;
-
-	case ESEXP_TERM_FUNC:
-	case ESEXP_TERM_IFUNC:
-		for (i=0;i<t->value.func.termcount;i++) {
-			parse_term_free(f, t->value.func.terms[i]);
-		}
-		g_free(t->value.func.terms);
-		break;
-
-	default:
-		printf("parse_term_free: unknown type: %d\n", t->type);
-	}
-	e_memchunk_free(f->term_chunks, t);
-}
-
-static struct _ESExpTerm **
-parse_values(ESExp *f, int *len)
-{
-	int token;
-	struct _ESExpTerm **terms;
-	int i, size = 0;
-	GScanner *gs = f->scanner;
-	GSList *list = NULL, *l;
-
-	p(printf("parsing values\n"));
-
-	while ( (token = g_scanner_peek_next_token(gs)) != G_TOKEN_EOF
-		&& token != ')') {
-		list = g_slist_prepend(list, parse_value(f));
-		size++;
-	}
-
-	/* go over the list, and put them backwards into the term array */
-	terms = g_malloc(size * sizeof(*terms));
-	l = list;
-	for (i=size-1;i>=0;i--) {
-		g_assert(l);
-		g_assert(l->data);
-		terms[i] = l->data;
-		l = g_slist_next(l);
-	}
-	g_slist_free(list);
-
-	p(printf("found %d subterms\n", size));
-	*len = size;
-	
-	p(printf("done parsing values\n"));
-	return terms;
-}
-
-static struct _ESExpTerm *
-parse_value(ESExp *f)
-{
-	int token;
-	struct _ESExpTerm *t = NULL;
-	GScanner *gs = f->scanner;
-	struct _ESExpSymbol *s;
-
-	p(printf("parsing value\n"));
-
-	token = g_scanner_get_next_token(gs);
-	switch(token) {
-	case G_TOKEN_LEFT_PAREN:
-		p(printf("got brace, its a list!\n"));
-		return parse_list(f, TRUE);
-	case G_TOKEN_STRING:
-		p(printf("got string\n"));
-		t = parse_term_new(f, ESEXP_TERM_STRING);
-		t->value.string = g_strdup(g_scanner_cur_value(gs).v_string);
-		break;
-	case G_TOKEN_INT:
-		t = parse_term_new(f, ESEXP_TERM_INT);
-		t->value.number = g_scanner_cur_value(gs).v_int;
-		p(printf("got int\n"));
-		break;
-	case '#': {
-		char *str;
-
-		p(printf("got bool?\n"));
-		token = g_scanner_get_next_token(gs);
-		if (token != G_TOKEN_IDENTIFIER) {
-			e_sexp_fatal_error (f, "Invalid format for a boolean value");
-			return NULL;
-		}
-
-		str = g_scanner_cur_value (gs).v_identifier;
-
-		g_assert (str != NULL);
-		if (!(strlen (str) == 1 && (str[0] == 't' || str[0] == 'f'))) {
-			e_sexp_fatal_error (f, "Invalid format for a boolean value");
-			return NULL;
-		}
-
-		t = parse_term_new(f, ESEXP_TERM_BOOL);
-		t->value.bool = (str[0] == 't');
-		break; }
-	case G_TOKEN_SYMBOL:
-		s = g_scanner_cur_value(gs).v_symbol;
-		switch (s->type) {
-		case ESEXP_TERM_FUNC:
-		case ESEXP_TERM_IFUNC:
-				/* this is basically invalid, since we can't use function
-				   pointers, but let the runtime catch it ... */
-			t = parse_term_new(f, s->type);
-			t->value.func.sym = s;
-			t->value.func.terms = parse_values(f, &t->value.func.termcount);
-			break;
-		case ESEXP_TERM_VAR:
-			t = parse_term_new(f, s->type);
-			t->value.var = s;
-			break;
-		default:
-			e_sexp_fatal_error(f, "Invalid symbol type: %s: %d", s->name, s->type);
-		}
-		break;
-	case G_TOKEN_IDENTIFIER:
-		e_sexp_fatal_error(f, "Unknown identifier: %s", g_scanner_cur_value(gs).v_identifier);
-		break;
-	default:
-		e_sexp_fatal_error(f, "Unexpected token encountered: %d", token);
-	}
-	p(printf("done parsing value\n"));
-	return t;
-}
-
-/* FIXME: this needs some robustification */
-static struct _ESExpTerm *
-parse_list(ESExp *f, int gotbrace)
-{
-	int token;
-	struct _ESExpTerm *t = NULL;
-	GScanner *gs = f->scanner;
-
-	p(printf("parsing list\n"));
-	if (gotbrace)
-		token = '(';
-	else
-		token = g_scanner_get_next_token(gs);
-	if (token =='(') {
-		token = g_scanner_get_next_token(gs);
-		switch(token) {
-		case G_TOKEN_SYMBOL: {
-			struct _ESExpSymbol *s;
-
-			s = g_scanner_cur_value(gs).v_symbol;
-			p(printf("got funciton: %s\n", s->name));
-			t = parse_term_new(f, s->type);
-			p(printf("created new list %p\n", t));
-			/* if we have a variable, find out its base type */
-			while (s->type == ESEXP_TERM_VAR) {
-				s = ((ESExpTerm *)(s->data))->value.var;
-			}
-			if (s->type == ESEXP_TERM_FUNC
-			    || s->type == ESEXP_TERM_IFUNC) {
-				t->value.func.sym = s;
-				t->value.func.terms = parse_values(f, &t->value.func.termcount);
-			} else {
-				parse_term_free(f, t);
-				e_sexp_fatal_error(f, "Trying to call variable as function: %s", s->name);
-			}
-			break; }
-		case G_TOKEN_IDENTIFIER:
-			e_sexp_fatal_error(f, "Unknown identifier: %s", g_scanner_cur_value(gs).v_identifier);
-			break;
-		default:
-			e_sexp_fatal_error(f, "Unexpected token encountered: %d", token);
-		}
-		token = g_scanner_get_next_token(gs);
-		if (token != ')') {
-			e_sexp_fatal_error(f, "Missing ')'");
-		}
-	} else {
-		e_sexp_fatal_error(f, "Missing '('");
-	}
-
-	p(printf("returning list %p\n", t));
-	return t;
-}
-
-static void e_sexp_finalise(void *);
-
-#ifdef E_SEXP_IS_GTK_OBJECT
-static void
-e_sexp_class_init (ESExpClass *class)
-{
-	GtkObjectClass *object_class;
-	
-	object_class = (GtkObjectClass *) class;
-
-	object_class->finalize = e_sexp_finalise;
-
-	parent_class = gtk_type_class (gtk_object_get_type ());
-}
-#endif
-
-/* 'builtin' functions */
-static struct {
-	char *name;
-	ESExpFunc *func;
-	int type;		/* set to 1 if a function can perform shortcut evaluation, or
-				   doesn't execute everything, 0 otherwise */
-} symbols[] = {
-	{ "and", (ESExpFunc *)term_eval_and, 1 },
-	{ "or", (ESExpFunc *)term_eval_or, 1 },
-	{ "not", (ESExpFunc *)term_eval_not, 0 },
-	{ "<", (ESExpFunc *)term_eval_lt, 1 },
-	{ ">", (ESExpFunc *)term_eval_gt, 1 },
-	{ "=", (ESExpFunc *)term_eval_eq, 1 },
-	{ "+", (ESExpFunc *)term_eval_plus, 0 },
-	{ "-", (ESExpFunc *)term_eval_sub, 0 },
-	{ "if", (ESExpFunc *)term_eval_if, 1 },
-	{ "begin", (ESExpFunc *)term_eval_begin, 1 },
-};
-
-static void
-free_symbol(void *key, void *value, void *data)
-{
-	struct _ESExpSymbol *s = value;
-
-	g_free(s->name);
-	g_free(s);
-}
-
-static void
-e_sexp_finalise(void *o)
-{
-	ESExp *s = (ESExp *)o;
-
-	if (s->tree) {
-		parse_term_free(s, s->tree);
-		s->tree = NULL;
-	}
-
-	e_memchunk_destroy(s->term_chunks);
-	e_memchunk_destroy(s->result_chunks);
-
-	g_scanner_scope_foreach_symbol(s->scanner, 0, free_symbol, 0);
-	g_scanner_destroy(s->scanner);
-
-#ifdef E_SEXP_IS_GTK_OBJECT
-	((GtkObjectClass *)(parent_class))->finalize((GtkObject *)o);
-#endif
-}
-
-static void
-e_sexp_init (ESExp *s)
-{
-	int i;
-
-	s->scanner = g_scanner_new(&scanner_config);
-	s->term_chunks = e_memchunk_new(16, sizeof(struct _ESExpTerm));
-	s->result_chunks = e_memchunk_new(16, sizeof(struct _ESExpResult));
-
-	/* load in builtin symbols? */
-	for(i=0;i<sizeof(symbols)/sizeof(symbols[0]);i++) {
-		if (symbols[i].type == 1) {
-			e_sexp_add_ifunction(s, 0, symbols[i].name, (ESExpIFunc *)symbols[i].func, &symbols[i]);
-		} else {
-			e_sexp_add_function(s, 0, symbols[i].name, symbols[i].func, &symbols[i]);
-		}
-	}
-
-#ifndef E_SEXP_IS_GTK_OBJECT
-	s->refcount = 1;
-#endif
-}
-
-#ifdef E_SEXP_IS_GTK_OBJECT
-guint
-e_sexp_get_type (void)
-{
-	static guint type = 0;
-	
-	if (!type) {
-		GtkTypeInfo type_info = {
-			"ESExp",
-			sizeof (ESExp),
-			sizeof (ESExpClass),
-			(GtkClassInitFunc) e_sexp_class_init,
-			(GtkObjectInitFunc) e_sexp_init,
-			(GtkArgSetFunc) NULL,
-			(GtkArgGetFunc) NULL
-		};
-		
-		type = gtk_type_unique (gtk_object_get_type (), &type_info);
-	}
-	
-	return type;
-}
-#endif
-
-ESExp *
-e_sexp_new (void)
-{
-#ifdef E_SEXP_IS_GTK_OBJECT
-	ESExp *f = E_SEXP ( gtk_type_new (e_sexp_get_type ()));
-#else
-	ESExp *f = g_malloc0(sizeof(*f));
-	e_sexp_init(f);
-#endif
-
-	return f;
-}
-
-#ifndef E_SEXP_IS_GTK_OBJECT
-void		e_sexp_ref		(ESExp *f)
-{
-	f->refcount++;
-}
-
-void		e_sexp_unref		(ESExp *f)
-{
-	f->refcount--;
-	if (f->refcount == 0) {
-		e_sexp_finalise(f);
-		g_free(f);
-	}
-}
-#endif
-
-void
-e_sexp_add_function(ESExp *f, int scope, char *name, ESExpFunc *func, void *data)
-{
-	struct _ESExpSymbol *s;
-
-	g_return_if_fail(FILTER_IS_SEXP(f));
-	g_return_if_fail(name != NULL);
-
-	s = g_malloc0(sizeof(*s));
-	s->name = g_strdup(name);
-	s->f.func = func;
-	s->type = ESEXP_TERM_FUNC;
-	s->data = data;
-	g_scanner_scope_add_symbol(f->scanner, scope, s->name, s);
-}
-
-void
-e_sexp_add_ifunction(ESExp *f, int scope, char *name, ESExpIFunc *ifunc, void *data)
-{
-	struct _ESExpSymbol *s;
-
-	g_return_if_fail(FILTER_IS_SEXP(f));
-	g_return_if_fail(name != NULL);
-
-	s = g_malloc0(sizeof(*s));
-	s->name = g_strdup(name);
-	s->f.ifunc = ifunc;
-	s->type = ESEXP_TERM_IFUNC;
-	s->data = data;
-	g_scanner_scope_add_symbol(f->scanner, scope, s->name, s);
-}
-
-void
-e_sexp_add_variable(ESExp *f, int scope, char *name, ESExpTerm *value)
-{
-	struct _ESExpSymbol *s;
-
-	g_return_if_fail(FILTER_IS_SEXP(f));
-	g_return_if_fail(name != NULL);
-
-	s = g_malloc0(sizeof(*s));
-	s->name = g_strdup(name);
-	s->type = ESEXP_TERM_VAR;
-	s->data = value;
-	g_scanner_scope_add_symbol(f->scanner, scope, s->name, s);
-}
-
-void
-e_sexp_remove_symbol(ESExp *f, int scope, char *name)
-{
-	int oldscope;
-	struct _ESExpSymbol *s;
-
-	g_return_if_fail(FILTER_IS_SEXP(f));
-	g_return_if_fail(name != NULL);
-
-	oldscope = g_scanner_set_scope(f->scanner, scope);
-	s = g_scanner_lookup_symbol(f->scanner, name);
-	g_scanner_scope_remove_symbol(f->scanner, scope, name);
-	g_scanner_set_scope(f->scanner, oldscope);
-	if (s) {
-		g_free(s->name);
-		g_free(s);
-	}
-}
-
-int
-e_sexp_set_scope(ESExp *f, int scope)
-{
-	g_return_val_if_fail(FILTER_IS_SEXP(f), 0);
-
-	return g_scanner_set_scope(f->scanner, scope);
-}
-
-void
-e_sexp_input_text(ESExp *f, const char *text, int len)
-{
-	g_return_if_fail(FILTER_IS_SEXP(f));
-	g_return_if_fail(text != NULL);
-
-	g_scanner_input_text(f->scanner, text, len);
-}
-
-void
-e_sexp_input_file (ESExp *f, int fd)
-{
-	g_return_if_fail(FILTER_IS_SEXP(f));
-
-	g_scanner_input_file(f->scanner, fd);
-}
-
-/* returns -1 on error */
-int
-e_sexp_parse(ESExp *f)
-{
-	g_return_val_if_fail(FILTER_IS_SEXP(f), -1);
-
-	if (setjmp(f->failenv)) {
-		g_warning("Error in parsing: %s", f->error);
-		return -1;
-	}
-
-	if (f->tree)
-		parse_term_free(f, f->tree);
-
-	f->tree = parse_value (f);
-
-	return 0;
-}
-
-/* returns NULL on error */
-struct _ESExpResult *
-e_sexp_eval(ESExp *f)
-{
-	g_return_val_if_fail(FILTER_IS_SEXP(f), NULL);
-	g_return_val_if_fail(f->tree != NULL, NULL);
-
-	if (setjmp(f->failenv)) {
-		g_warning("Error in execution: %s", f->error);
-		return NULL;
-	}
-
-	return e_sexp_term_eval(f, f->tree);
-}
-
-/**
- * e_sexp_encode_bool:
- * @s: 
- * @state: 
- * 
- * Encode a bool into an s-expression @s.  Bools are
- * encoded using #t #f syntax.
- **/
-void
-e_sexp_encode_bool(GString *s, gboolean state)
-{
-	if (state)
-		g_string_append(s, " #t");
-	else
-		g_string_append(s, " #f");
-}
-
-/**
- * e_sexp_encode_string:
- * @s: Destination string.
- * @string: String expression.
- * 
- * Add a c string @string to the s-expression stored in
- * the gstring @s.  Quotes are added, and special characters
- * are escaped appropriately.
- **/
-void
-e_sexp_encode_string(GString *s, const char *string)
-{
-	char c;
-	const char *p;
-
-	if (string == NULL)
-		p = "";
-	else
-		p = string;
-	g_string_append(s, " \"");
-	while ( (c = *p++) ) {
-		if (c=='\\' || c=='\"' || c=='\'')
-			g_string_append_c(s, '\\');
-		g_string_append_c(s, c);
-	}
-	g_string_append(s, "\"");
-}
-
-#ifdef TESTER
-int main(int argc, char **argv)
-{
-	ESExp *f;
-	char *t = "(+ \"foo\" \"\\\"\" \"bar\" \"\\\\ blah \\x \")";
-	ESExpResult *r;
-
-	gtk_init(&argc, &argv);
-
-	f = e_sexp_new();
-
-	e_sexp_add_variable(f, 0, "test", NULL);
-
-	e_sexp_input_text(f, t, strlen(t));
-	e_sexp_parse(f);
-
-	if (f->tree) {
-		parse_dump_term(f->tree, 0);
-	}
-
-	r = e_sexp_eval(f);
-	if (r) {
-		eval_dump_result(r, 0);
-	} else {
-		printf("no result?|\n");
-	}
-
-	return 0;
-}
-#endif