From 77339ce34a79a7b5a1818c1009d1db1252fe8ea6 Mon Sep 17 00:00:00 2001
From: Flavian Kaufmann <flavian@flaviankaufmann.ch>
Date: Tue, 20 May 2025 08:03:20 +0200
Subject: cleanup

---
 ast.h | 35 +++++++++++++++++++----------------
 1 file changed, 19 insertions(+), 16 deletions(-)

(limited to 'ast.h')

diff --git a/ast.h b/ast.h
index 67d6228..7a58372 100644
--- a/ast.h
+++ b/ast.h
@@ -13,30 +13,33 @@ typedef enum { ROP_EQ, ROP_NE, ROP_LT, ROP_LE, ROP_GT, ROP_GE } ROp;
 typedef struct ASTNode {
   NodeType type;
   union {
-    int val;
-    char *var;
-    struct { struct ASTNode *var, *aexp; } assign;
-    struct {  struct ASTNode *exp1, *exp2; union { AOp aop; BOp bop; ROp rop; } op;} bin;
-    struct ASTNode *bexp;
-    struct { struct ASTNode *bexp, *s1, *s2; } cond;
-    struct { struct ASTNode *s1, *s2; } seq;
+    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 *s1, ASTNode *s2);
-ASTNode *ast_if(ASTNode *bexp, ASTNode *s1, ASTNode *s2);
-ASTNode *ast_while(ASTNode *bexp, ASTNode *s);
+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 *var);
-ASTNode *ast_aop(AOp, ASTNode *aexp1, ASTNode *aexp2);
-ASTNode *ast_bop(BOp, ASTNode *bexp1, ASTNode *bexp2);
+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, ASTNode *aexp1, ASTNode *aexp2);
+ASTNode *ast_rop(ROp rop, ASTNode *aexp1, ASTNode *aexp2);
 
-void exec_stmt(ASTNode *n);
-void free_ast(ASTNode *n);
+void exec_stmt(ASTNode *node);
+void free_ast(ASTNode *node);
 void env_print(void);
 
 #endif
-- 
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