55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
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#ifndef SCOPE_H
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#define SCOPE_H
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#include "types.h"
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#define SCOPE_MEM_SIZE 10000
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#define SCOPE_VAR_MAX 500
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typedef struct Scope {
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struct Scope *parent;
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long *memory;
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int mem_size;
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Symbol *locals;
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int loc_capacity;
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int sp;
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int bp;
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int loc_cnt;
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int depth;
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} Scope;
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extern Scope *current_scope;
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extern Scope *root_scope;
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Scope* scope_create(Scope *parent);
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void scope_destroy(Scope *scope);
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Scope* scope_push(void);
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Scope* scope_pop(void);
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int scope_find_local(const char *name, int len);
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int scope_find_local_current_only(const char *name, int len);
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Symbol* scope_get_local(int idx);
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Symbol* scope_add_local(const char *name, int len, int type, int addr, int is_array);
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long scope_mem_read(int addr);
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void scope_mem_write(int addr, long value);
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int scope_mem_alloc(int size);
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int scope_check_sp(int required);
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int scope_check_addr(int addr);
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void scope_init(void);
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void scope_cleanup(void);
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void scope_save_state(int *out_sp, int *out_bp, int *out_loc_cnt);
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void scope_restore_state(int saved_sp, int saved_bp, int saved_loc_cnt);
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void scope_sync_to_globals(void);
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void scope_sync_from_globals(void);
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Symbol* scope_find_local_symbol(const char *name, int len);
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int scope_find_local_with_scope(const char *name, int len, Scope **out_scope);
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long scope_read_var(const char *name, int len);
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void scope_write_var(const char *name, int len, long value);
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#endif
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