1 files changed, 0 insertions, 52 deletions
diff --git a/ast.h b/ast.h
deleted file mode 100644
index 7dd9697..0000000
--- a/ast.h
+++ /dev/null
@@ -1,52 +0,0 @@
-#ifndef AST_H
-#define AST_H
-
-typedef enum {
-  NT_SKIP, NT_ASSIGN, NT_SEQ, NT_IF, NT_WHILE,
-  NT_INT, NT_VAR, NT_AOP, NT_BOP, NT_NOT, NT_ROP
-} NodeType;
-
-typedef enum { AOP_ADD, AOP_SUB, AOP_MUL } AOp;
-typedef enum { BOP_AND, BOP_OR } BOp;
-typedef enum { ROP_EQ, ROP_NE, ROP_LT, ROP_LE, ROP_GT, ROP_GE } ROp;
-
-typedef struct ASTNode {
-  NodeType type;
-  union {
-    struct { struct ASTNode *var, *aexp; } d_assign;
-    struct { struct ASTNode *stm1, *stm2; } d_seq;
-    struct { struct ASTNode *bexp, *stm1, *stm2; } d_if;
-    struct { struct ASTNode *bexp, *stm; } d_while;
-    struct { int val; } d_int ;
-    struct { char *name; } d_var;
-    struct { AOp aop; struct ASTNode *aexp1, *aexp2; } d_aop;
-    struct { BOp bop; struct ASTNode *bexp1, *bexp2; } d_bop;
-    struct { struct ASTNode *bexp; } d_not;
-    struct { ROp rop; struct ASTNode *aexp1, *aexp2; } d_rop;
-  } u;
-} ASTNode;
-
-ASTNode *ast_skip(void);
-ASTNode *ast_assign(ASTNode *var, ASTNode *aexp);
-ASTNode *ast_seq(ASTNode *stm1, ASTNode *stm2);
-ASTNode *ast_if(ASTNode *bexp, ASTNode *stm1, ASTNode *stm2);
-ASTNode *ast_while(ASTNode *bexp, ASTNode *stm);
-ASTNode *ast_int(int val);
-ASTNode *ast_var(char *name);
-ASTNode *ast_aop(AOp aop, ASTNode *aexp1, ASTNode *aexp2);
-ASTNode *ast_bop(BOp bop, ASTNode *bexp1, ASTNode *bexp2);
-ASTNode *ast_not(ASTNode *bexp);
-ASTNode *ast_rop(ROp rop, ASTNode *aexp1, ASTNode *aexp2);
-
-typedef struct Env {
-  char *name;
-  int val;
-  struct Env *next;
-} Env;
-
-void exec_stmt(Env **env, ASTNode *node);
-void free_ast(ASTNode *node);
-void env_print(Env *env);
-
-#endif
-