Remove pointless parameter copying.

include/interpreter.h

@@ -4,19 +4,17 @@
 #include "table.h"
 #include "tree.h"
 #include "impl.h"
+#include "libabacus.h"
+
+struct libab_s;
 
 struct libab_interpreter_s {
-    libab_ref type_num;
+    struct libab_s* ab;
-    libab_ref base_table;
-    libab_impl* impl;
 };
 
 typedef struct libab_interpreter_s libab_interpreter;
 
-void libab_interpreter_init(libab_interpreter* intr,
+void libab_interpreter_init(libab_interpreter* intr, struct libab_s* ab);
-                            libab_ref* table,
-                            libab_ref* type_num,
-                            libab_impl* impl);
 libab_result libab_interpreter_run(libab_interpreter* intr,
                                    libab_tree* tree, libab_ref* into);
 void libab_interpreter_free(libab_interpreter* intr);

include/libabacus.h

@@ -1,11 +1,11 @@
 #ifndef LIBABACUS_H
 #define LIBABACUS_H
 
+#include "interpreter.h"
 #include "custom.h"
 #include "ht.h"
 #include "lexer.h"
 #include "parser.h"
-#include "interpreter.h"
 #include "result.h"
 #include "table.h"
 #include "impl.h"

include/parser.h

@@ -6,13 +6,15 @@
 #include "table.h"
 #include "tree.h"
 
+struct libab_s;
+
 /**
  * The parser that is used by libabacus
  * to store information for converting
  * tokens into trees.
  */
 struct libab_parser_s {
-    libab_ref base_table;
+    struct libab_s* ab;
 };
 
 typedef struct libab_parser_s libab_parser;
@@ -22,7 +24,7 @@ typedef struct libab_parser_s libab_parser;
  * @param parser the parser to intialize.
  * @param table the table of "reserved" entries like operators.
  */
-void libab_parser_init(libab_parser* parser, libab_ref* table);
+void libab_parser_init(libab_parser* parser, struct libab_s* ab);
 /**
  * Parses the given list of tokens into the given tree pointer.
  * @param parser the parser to use for parsing text.

src/interpreter.c

@@ -1,27 +1,22 @@
-#include "interpreter.h"
+#include "libabacus.h"
 #include "util.h"
 
-void libab_interpreter_init(libab_interpreter* intr,
+void libab_interpreter_init(libab_interpreter* intr, libab* ab) {
-                            libab_ref* table,
+    intr->ab = ab;
-                            libab_ref* type_num,
-                            libab_impl* impl) {
-    libab_ref_copy(type_num, &intr->type_num);
-    libab_ref_copy(table, &intr->base_table);
-    intr->impl = impl;
 }
 
 struct interpreter_state {
-    libab_ref type_num;
+    libab* ab;
-    libab_impl* impl;
+    libab_table* base_table;
 };
 
 void _interpreter_init(struct interpreter_state* state, libab_interpreter* intr) {
-    state->impl = intr->impl;
+    state->ab = intr->ab;
-    libab_ref_copy(&intr->type_num, &state->type_num);
+    state->base_table = libab_ref_get(&intr->ab->table);
 }
 
 void _interpreter_free(struct interpreter_state* state) {
-    libab_ref_free(&state->type_num);
+
 }
 
 libab_result _interpreter_create_num_val(struct interpreter_state* state,
@@ -29,11 +24,11 @@ libab_result _interpreter_create_num_val(struct interpreter_state* state,
     void* data;
     libab_result result = LIBAB_SUCCESS;
 
-    if((data = state->impl->parse_num(from))) {
+    if((data = state->ab->impl.parse_num(from))) {
-        result = libab_create_value(into, data, &state->type_num);
+        result = libab_create_value(into, data, &state->ab->type_num);
 
         if(result != LIBAB_SUCCESS) {
-            ((libab_parsetype*) libab_ref_get(&state->type_num))->data_u.base->free_function(data);
+            ((libab_parsetype*) libab_ref_get(&state->ab->type_num))->data_u.base->free_function(data);
         }
     } else {
         result = LIBAB_MALLOC;
@@ -87,13 +82,12 @@ libab_result libab_interpreter_run(libab_interpreter* intr,
     libab_result result;
 
     _interpreter_init(&state, intr);
-    result = _interpreter_run(&state, tree, into, &intr->base_table, 1);
+    result = _interpreter_run(&state, tree, into, &state.ab->table, 1);
     _interpreter_free(&state);
 
     return result;
 }
 
 void libab_interpreter_free(libab_interpreter* intr) {
-    libab_ref_free(&intr->base_table);
+
-    libab_ref_free(&intr->type_num);
 }

src/libabacus.c

@@ -25,8 +25,8 @@ libab_result libab_init(libab* ab, void* (*parse_function)(const char*),
 
     if(result == LIBAB_SUCCESS) {
         parser_initialized = 1;
-        libab_parser_init(&ab->parser, &ab->table);
+        libab_parser_init(&ab->parser, ab);
-        libab_interpreter_init(&ab->intr, &ab->table, &ab->type_num, &ab->impl);
+        libab_interpreter_init(&ab->intr, ab);
         result = libab_lexer_init(&ab->lexer);
     }
 

src/parser.c

@@ -1162,14 +1162,14 @@ libab_result _parse_block(struct parser_state* state, libab_tree** store_into,
     return result;
 }
 
-void libab_parser_init(libab_parser* parser, libab_ref* table) {
+void libab_parser_init(libab_parser* parser, struct libab_s* ab) {
-    libab_ref_copy(table, &parser->base_table);
+    parser->ab = ab;
 }
 libab_result libab_parser_parse(libab_parser* parser, ll* tokens,
                                 const char* string, libab_tree** store_into) {
     libab_result result;
     struct parser_state state;
-    _parser_state_init(&state, tokens, string, libab_ref_get(&parser->base_table));
+    _parser_state_init(&state, tokens, string, libab_ref_get(&parser->ab->table));
 
     result = _parse_block(&state, store_into, 0);
     if (result == LIBAB_SUCCESS) {
@@ -1182,8 +1182,8 @@ libab_result libab_parser_parse_type(libab_parser* parser, ll* tokens,
                                      const char* string,
                                      libab_ref* store_into) {
     struct parser_state state;
-    _parser_state_init(&state, tokens, string, libab_ref_get(&parser->base_table));
+    _parser_state_init(&state, tokens, string, libab_ref_get(&parser->ab->table));
 
     return _parse_type(&state, store_into);
 }
-void libab_parser_free(libab_parser* parser) { libab_ref_free(&parser->base_table); }
+void libab_parser_free(libab_parser* parser) { libab_ref_free(&parser->ab->table); }