ag: paulchen init

[uebersetzerbau-ss10.git] / ag / symbol_table.h

diff --git a/ag/symbol_table.h b/ag/symbol_table.h
new file mode 100755 (executable)
index 0000000..e160c83
--- /dev/null
+++ b/ag/symbol_table.h
@@ -0,0 +1,23 @@
+#ifndef SYMBOL_TABLE_H
+#define SYMBOL_TABLE_H
+
+#define SYMBOL_TYPE_FIELD 1
+#define SYMBOL_TYPE_VAR 2
+
+struct symbol_t {
+       char *identifier;
+       struct symbol_t *next;
+       short type;
+};
+
+struct symbol_t *clone_table(struct symbol_t *table);
+struct symbol_t *new_table(void);
+struct symbol_t *table_add_symbol(struct symbol_t *table, char *identifier, short type, short check);
+struct symbol_t *table_lookup(struct symbol_t *table, char *identifier);
+struct symbol_t *table_remove_symbol(struct symbol_t *table, char *identifier);
+struct symbol_t *table_merge(struct symbol_t *table, struct symbol_t *to_add, short check);
+void check_variable(struct symbol_t *table, char *identifier);
+void check_field(struct symbol_t *table, char *identifier);
+
+#endif /* SYMBOL_TABLE_H */
+