aboutsummaryrefslogtreecommitdiff
path: root/semantics.h
diff options
context:
space:
mode:
Diffstat (limited to 'semantics.h')
-rw-r--r--semantics.h42
1 files changed, 32 insertions, 10 deletions
diff --git a/semantics.h b/semantics.h
index b3d2942..1ec4c21 100644
--- a/semantics.h
+++ b/semantics.h
@@ -1,28 +1,33 @@
#ifndef SEMANTICS_H
#define SEMANTICS_H
-
+#include "ast.h"
#define MAX_TABLE_SIZE 1021
+#define CIBIC_DEBUG
struct CTable;
+struct CType;
typedef struct CVar{
- char *name;
+ const char *name;
struct CVar *next; /* next in the linked list */
struct CType *type;
int offset;
} CVar;
+typedef CVar *CVar_t;
+CVar_t cvar_create(const char *name, struct CType *type);
+
typedef struct CType {
enum {
- INT,
- CHAR,
- VOID,
- STRUCT,
- UNION,
- ARR,
- PTR
+ CINT,
+ CCHAR,
+ CVOID,
+ CSTRUCT,
+ CUNION,
+ CARR,
+ CPTR
} type;
- char *name;
+ const char *name;
struct CType *next;
union {
struct CType *fields; /* for a struct or union */
@@ -35,7 +40,13 @@ typedef struct CType {
int size; /* memory footprint */
} CType;
+typedef CType *CType_t;
+CType_t ctype_create(const char *name, int type);
+
typedef unsigned int (*Hashfunc_t) (const char *);
+#ifdef CIBIC_DEBUG
+typedef const char *(*Printfunc_t) (void *);
+#endif
typedef struct CTable *CTable_t;
typedef struct CTNode {
@@ -48,13 +59,21 @@ typedef struct CTNode {
typedef struct CTable {
struct CTNode *head[MAX_TABLE_SIZE];
Hashfunc_t hfunc;
+#ifdef CIBIC_DEBUG
+ Printfunc_t pfunc;
+#endif
} CTable;
+#ifdef CIBIC_DEBUG
+CTable_t ctable_create(Hashfunc_t hfunc, Printfunc_t pfunc);
+#else
CTable_t ctable_create(Hashfunc_t hfunc);
+#endif
void *ctable_lookup(CTable_t ct, const char *key);
void ctable_insert(CTable_t ct, const char *key, void *val, int lvl);
void ctable_clip(CTable_t ct, unsigned int hv, int max_lvl);
+void ctable_debug_print(CTable_t ct);
typedef struct CSNode {
struct CVar *vhead;
@@ -77,6 +96,9 @@ void cscope_push_var(CScope_t cs, CVar *var);
void cscope_push_type(CScope_t cs, CType *type);
void cscope_enter(CScope_t cs);
void cscope_exit(CScope_t cs);
+void cscope_debug_print(CScope_t cs);
unsigned int bkdr_hash(const char *str);
+const char *cvar_print(void *var);
+const char *ctype_print(void *type);
#endif