jack-compiler/vm/vm-lines.h

40 lines
847 B
C

#ifndef VM_LINES_H
#define VM_LINES_H
#include <stdio.h>
/* vm-lines
* Unified standard for the compiler's output and vm-translator's input.
* It is also used by vm-parser when reading .vm files. */
// Data types
typedef struct line {
char** tokens;
int count;
struct line* next;
} LINE;
typedef struct {
LINE* head;
LINE* tail;
} LINEBLOCK;
// Line manipulation
LINE* mkline(int size);
void addtoken(LINE* ln, char* token);
// Line printing
void println(LINE* ln, FILE* stream);
void printlns(LINE* lns, FILE* stream);
// Line freeing
void freeln(LINE* ln);
void freelns(LINE* lns);
void freelnblk(LINEBLOCK* blk);
// Line block manipulation
LINEBLOCK* mklnblk(LINE* start);
LINEBLOCK* mergelnblks(LINEBLOCK* head, LINEBLOCK* tail);
void appendln(LINEBLOCK* lnblk, LINE* ln);
void appendlnbefore(LINEBLOCK* lnblk, LINE* ln);
#endif