Begin working on a table struct to hold information during runtime.

CMakeLists.txt

@@ -8,7 +8,7 @@ project(libabacus)
 
 add_compile_options(-pedantic -Wall)
 
-add_library(abacus STATIC src/lexer.c src/libabacus_util.c)
+add_library(abacus STATIC src/lexer.c src/libabacus_util.c src/table.c)
 add_executable(libabacus src/main.c)
 add_subdirectory(external/liblex)
 

include/table.h

@@ -0,0 +1,61 @@
+#ifndef LIBABACUS_TABLE_H
+#define LIBABACUS_TABLE_H
+
+#include "ht.h"
+#include "libabacus.h"
+
+/**
+ * A struct that represents a structure
+ * similar to a symbol table. This structure
+ * is used to keep track of definitions such
+ * as types, functions, and variables in an
+ * environment with scopes.
+ */
+struct table {
+    /**
+     * The "parent" scope of this table.
+     */
+    struct table* parent;
+    /**
+     * The hash table used to store the data.
+     */
+    ht table;
+};
+
+/**
+ * Enum that represents the type of a table
+ * entry.
+ */
+enum table_entry_variant {
+    ENTRY_VALUE,
+    ENTRY_TYPE,
+    ENTRY_FUNCTION
+};
+
+/**
+ * An entry in the table.
+ */
+struct table_entry {
+    /**
+     * The type of this entry.
+     */
+    enum table_entry_variant variant;
+};
+
+typedef struct table table;
+typedef enum table_entry_variant table_entry_variant;
+typedef struct table_entry table_entry;
+
+/**
+ * Initializes the given table.
+ * @param table the table to initialize.
+ */
+void table_init(table* table);
+/**
+ * Frees the resources allocated by the
+ * given table.
+ * @param table the table to free.
+ */
+void table_free(table* table);
+
+#endif

src/table.c

@@ -0,0 +1,11 @@
+#include "table.h"
+#include <stdlib.h>
+
+void table_init(table* table) {
+    ht_init(&table->table);
+    table->parent = NULL;
+} 
+
+void table_free(table* table) {
+    ht_free(&table->table);
+}