project11 - complete

11/yacc-compiler/symbol_table.h

@@ -0,0 +1,43 @@
+#ifndef SYMBOL_TABLE_H
+#define SYMBOL_TABLE_H
+
+#define MAX_SYMBOLS 1000
+
+/* Symbol kinds */
+typedef enum {
+    KIND_STATIC,
+    KIND_FIELD, 
+    KIND_ARG,
+    KIND_VAR,
+    KIND_NONE
+} Kind;
+
+/* Symbol table entry */
+typedef struct {
+    char* name;
+    char* type;
+    Kind kind;
+    int index;
+} Symbol;
+
+/* Symbol table structure */
+typedef struct {
+    Symbol symbols[MAX_SYMBOLS];
+    int count;
+    int static_count;
+    int field_count;
+    int arg_count;
+    int var_count;
+} SymbolTable;
+
+/* Function prototypes */
+SymbolTable* symbol_table_new();
+void symbol_table_free(SymbolTable* table);
+void symbol_table_start_subroutine(SymbolTable* table);
+void symbol_table_define(SymbolTable* table, const char* name, const char* type, Kind kind);
+int symbol_table_var_count(SymbolTable* table, Kind kind);
+Kind symbol_table_kind_of(SymbolTable* table, const char* name);
+char* symbol_table_type_of(SymbolTable* table, const char* name);
+int symbol_table_index_of(SymbolTable* table, const char* name);
+
+#endif