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authorjaortega <jaortega>2000-12-08 21:30:01 +0000
committerjaortega <jaortega>2000-12-08 21:30:01 +0000
commit4d7d583e47215304d7be5487a42578081bbc8497 (patch)
tree3bb99264842fecf2d4ecb1f1eea16ac2b13d8177 /mixlib
parentd0dba18550f315279d65e5b4a2fc7cbd20a98b4a (diff)
downloadmdk-4d7d583e47215304d7be5487a42578081bbc8497.tar.gz
mdk-4d7d583e47215304d7be5487a42578081bbc8497.tar.bz2
(mix_eval_{set,remove}symbols_from_table, mix_eval_substract_table) new functions
(mix_symbol_table_{merge,substract}_table) const-correct
Diffstat (limited to 'mixlib')
-rw-r--r--mixlib/mix_eval.c33
-rw-r--r--mixlib/mix_eval.h17
-rw-r--r--mixlib/mix_symbol_table.c8
-rw-r--r--mixlib/mix_symbol_table.h34
4 files changed, 60 insertions, 32 deletions
diff --git a/mixlib/mix_eval.c b/mixlib/mix_eval.c
index 5a65391..023a413 100644
--- a/mixlib/mix_eval.c
+++ b/mixlib/mix_eval.c
@@ -1,7 +1,7 @@
/* -*-c-*- -------------- mix_eval.c :
* Implementation of the functions declared in mix_eval.h
* ------------------------------------------------------------------
- * Last change: Time-stamp: "00/12/03 22:27:53 jose"
+ * Last change: Time-stamp: "00/12/08 13:16:10 jose"
* ------------------------------------------------------------------
* Copyright (C) 2000 jose antonio ortega ruiz <jaortega@acm.org>
*
@@ -102,7 +102,7 @@ mix_eval_expression_with_loc (mix_eval_t *eval, const gchar *expr,
/* get the result of the last evaluation */
mix_word_t
-mix_eval_value (mix_eval_t *eval)
+mix_eval_value (const mix_eval_t *eval)
{
g_return_val_if_fail (eval != NULL, MIX_WORD_ZERO);
return eval->value;
@@ -110,7 +110,7 @@ mix_eval_value (mix_eval_t *eval)
/* get the last eval result code */
mix_eval_result_t
-mix_eval_last_error (mix_eval_t *eval)
+mix_eval_last_error (const mix_eval_t *eval)
{
g_return_val_if_fail (eval != NULL, MIX_EVAL_INTERN);
return eval->result;
@@ -118,7 +118,7 @@ mix_eval_last_error (mix_eval_t *eval)
/* get the last error string */
const gchar*
-mix_eval_last_error_string (mix_eval_t *eval)
+mix_eval_last_error_string (const mix_eval_t *eval)
{
g_return_val_if_fail (eval != NULL, errors_[MIX_EVAL_INTERN]);
return errors_[eval->result];
@@ -126,7 +126,7 @@ mix_eval_last_error_string (mix_eval_t *eval)
/* get the position of last error */
guint
-mix_eval_last_error_pos (mix_eval_t *eval)
+mix_eval_last_error_pos (const mix_eval_t *eval)
{
g_return_val_if_fail (eval != NULL, 0);
return eval->errpos;
@@ -161,4 +161,25 @@ mix_eval_use_symbol_table (mix_eval_t *eval,
eval->towner = FALSE;
}
-
+
+gboolean
+mix_eval_set_symbols_from_table (mix_eval_t *eval,
+ const mix_symbol_table_t *table)
+{
+ g_return_val_if_fail (eval != NULL, FALSE);
+ if (eval->table != NULL)
+ return mix_symbol_table_merge_table (eval->table, table);
+ else
+ return FALSE;
+}
+
+gboolean
+mix_eval_remove_symbols_from_table (mix_eval_t *eval,
+ const mix_symbol_table_t *table)
+{
+ g_return_val_if_fail (eval != NULL, FALSE);
+ if (eval->table != NULL)
+ return mix_symbol_table_substract_table (eval->table, table);
+ else
+ return FALSE;
+}
diff --git a/mixlib/mix_eval.h b/mixlib/mix_eval.h
index c126812..139d0b3 100644
--- a/mixlib/mix_eval.h
+++ b/mixlib/mix_eval.h
@@ -1,7 +1,7 @@
/* -*-c-*- ---------------- mix_eval.h :
* mix_eval_t is an evaluator of MIX W-expressions
* ------------------------------------------------------------------
- * Last change: Time-stamp: <00/12/03 12:29:17 jose>
+ * Last change: Time-stamp: <00/12/08 13:16:10 jose>
* ------------------------------------------------------------------
* Copyright (C) 2000 jose antonio ortega ruiz <jaortega@acm.org>
*
@@ -70,19 +70,19 @@ mix_eval_expression_with_loc (mix_eval_t *eval, const gchar *expr,
/* get the result of the last evaluation */
extern mix_word_t
-mix_eval_value (mix_eval_t *eval);
+mix_eval_value (const mix_eval_t *eval);
/* get the last eval result code */
extern mix_eval_result_t
-mix_eval_last_error (mix_eval_t *eval);
+mix_eval_last_error (const mix_eval_t *eval);
/* get the last error string */
extern const gchar*
-mix_eval_last_error_string (mix_eval_t *eval);
+mix_eval_last_error_string (const mix_eval_t *eval);
/* get the position of last error */
extern guint
-mix_eval_last_error_pos (mix_eval_t *eval);
+mix_eval_last_error_pos (const mix_eval_t *eval);
/* add, or redefine, a symbol. see mix_symbol_table.h for
possible outcomes. */
@@ -90,9 +90,16 @@ extern gint
mix_eval_set_symbol (mix_eval_t *eval, const gchar *symbol,
mix_word_t value);
+extern gboolean
+mix_eval_set_symbols_from_table (mix_eval_t *eval,
+ const mix_symbol_table_t *table);
+
extern void
mix_eval_remove_symbol (mix_eval_t *eval, const gchar *symbol);
+extern gboolean
+mix_eval_remove_symbols_from_table (mix_eval_t *eval,
+ const mix_symbol_table_t *table);
diff --git a/mixlib/mix_symbol_table.c b/mixlib/mix_symbol_table.c
index d59c396..1e08f2a 100644
--- a/mixlib/mix_symbol_table.c
+++ b/mixlib/mix_symbol_table.c
@@ -84,24 +84,24 @@ remove_symbol_(gpointer symbol, gpointer value, gpointer target)
gboolean
mix_symbol_table_merge_table (mix_symbol_table_t *table,
- mix_symbol_table_t *from)
+ const mix_symbol_table_t *from)
{
g_return_val_if_fail (table != NULL, FALSE);
if (from != NULL)
{
- mix_symbol_table_foreach (from, add_symbol_, table);
+ mix_symbol_table_foreach ((gpointer)from, add_symbol_, table);
}
return TRUE;
}
gboolean
mix_symbol_table_substract_table (mix_symbol_table_t *table,
- mix_symbol_table_t *other)
+ const mix_symbol_table_t *other)
{
g_return_val_if_fail (table != NULL, FALSE);
if (other != NULL)
{
- mix_symbol_table_foreach (other, remove_symbol_, table);
+ mix_symbol_table_foreach ((gpointer)other, remove_symbol_, table);
}
return TRUE;
}
diff --git a/mixlib/mix_symbol_table.h b/mixlib/mix_symbol_table.h
index db48ffd..9837ee0 100644
--- a/mixlib/mix_symbol_table.h
+++ b/mixlib/mix_symbol_table.h
@@ -34,27 +34,27 @@ typedef GHashTable mix_symbol_table_t ;
/* Create an empty table */
extern mix_symbol_table_t *
-mix_symbol_table_new(void);
+mix_symbol_table_new (void);
/* Create a table and populate it with the contents of a table stored
- in -file- using mix_symbol_table_print(table, MIX_SYM_LINE, file)
+ in -file- using mix_symbol_table_print (table, MIX_SYM_LINE, file)
*/
extern mix_symbol_table_t *
-mix_symbol_table_new_from_file(FILE *file);
+mix_symbol_table_new_from_file (FILE *file);
/* Delete a table */
extern void
-mix_symbol_table_delete(mix_symbol_table_t *table);
+mix_symbol_table_delete (mix_symbol_table_t *table);
/* add/remove symbols from other table */
extern gboolean
mix_symbol_table_merge_table (mix_symbol_table_t *table,
- mix_symbol_table_t *from);
+ const mix_symbol_table_t *from);
extern gboolean
mix_symbol_table_substract_table (mix_symbol_table_t *table,
- mix_symbol_table_t *other);
+ const mix_symbol_table_t *other);
/* Add/remove symbols one by one */
/* possible outcomes: */
@@ -66,33 +66,33 @@ enum {
};
extern gint
-mix_symbol_table_add(mix_symbol_table_t *table,
- const gchar *sym, mix_word_t value);
+mix_symbol_table_add (mix_symbol_table_t *table,
+ const gchar *sym, mix_word_t value);
#define mix_symbol_table_remove(table, sym) \
- g_hash_table_remove(table, sym)
+ g_hash_table_remove (table, sym)
/* Add or modify symbol if it exists */
extern gint
-mix_symbol_table_insert(mix_symbol_table_t *table,
- const gchar *sym, mix_word_t new_value);
+mix_symbol_table_insert (mix_symbol_table_t *table,
+ const gchar *sym, mix_word_t new_value);
/* Add or modify symbol if it exists, without copiying sym */
#define mix_symbol_table_insert_static(table,sym,value)\
- g_hash_table_insert(table,(gpointer)sym,GUINT_TO_POINTER(value))
+ g_hash_table_insert (table,(gpointer)sym,GUINT_TO_POINTER (value))
/* Symbols lookup */
extern gboolean
-mix_symbol_table_is_defined(const mix_symbol_table_t *table, const gchar *sym);
+mix_symbol_table_is_defined (const mix_symbol_table_t *table, const gchar *sym);
#define mix_symbol_table_value(table,sym) \
- (mix_word_t)GPOINTER_TO_UINT (g_hash_table_lookup ((GHashTable *)table, \
+ (mix_word_t)GPOINTER_TO_UINT (g_hash_table_lookup ((GHashTable *)table, \
(gpointer)sym))
/* Traverse the table */
#define mix_symbol_table_foreach(table,func,data) \
- g_hash_table_foreach(table,func,data)
+ g_hash_table_foreach (table,func,data)
/* Print the table */
enum {
@@ -101,8 +101,8 @@ enum {
};
extern void
-mix_symbol_table_print(const mix_symbol_table_t *table, gint mode,
- FILE *file, gboolean skiplocal);
+mix_symbol_table_print (const mix_symbol_table_t *table, gint mode,
+ FILE *file, gboolean skiplocal);
#endif /* MIX_SYMBOL_TABLE_H */