project11 - complete

11/yacc-compiler/vm_writer.h

@@ -0,0 +1,49 @@
+#ifndef VM_WRITER_H
+#define VM_WRITER_H
+
+#include <stdio.h>
+
+/* VM segments */
+typedef enum {
+    SEG_CONST,
+    SEG_ARG,
+    SEG_LOCAL,
+    SEG_STATIC,
+    SEG_THIS,
+    SEG_THAT,
+    SEG_POINTER,
+    SEG_TEMP
+} Segment;
+
+/* VM arithmetic commands */
+typedef enum {
+    CMD_ADD,
+    CMD_SUB,
+    CMD_NEG,
+    CMD_EQ,
+    CMD_GT,
+    CMD_LT,
+    CMD_AND,
+    CMD_OR,
+    CMD_NOT
+} Command;
+
+/* VM writer structure */
+typedef struct {
+    FILE* file;
+} VMWriter;
+
+/* Function prototypes */
+VMWriter* vm_writer_new(const char* filename);
+void vm_writer_close(VMWriter* writer);
+void vm_writer_write_push(VMWriter* writer, Segment segment, int index);
+void vm_writer_write_pop(VMWriter* writer, Segment segment, int index);
+void vm_writer_write_arithmetic(VMWriter* writer, Command command);
+void vm_writer_write_label(VMWriter* writer, const char* label);
+void vm_writer_write_goto(VMWriter* writer, const char* label);
+void vm_writer_write_if(VMWriter* writer, const char* label);
+void vm_writer_write_call(VMWriter* writer, const char* name, int nArgs);
+void vm_writer_write_function(VMWriter* writer, const char* name, int nLocals);
+void vm_writer_write_return(VMWriter* writer);
+
+#endif