39 lines
682 B
C
39 lines
682 B
C
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#ifndef FUN_VALUE_H
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#define FUN_VALUE_H
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#include <inttypes.h>
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struct Bytecode; /* forward */
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typedef enum {
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VAL_INT,
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VAL_STRING,
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VAL_FUNCTION,
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VAL_NIL
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} ValueType;
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typedef struct {
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ValueType type;
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union {
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int64_t i;
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char *s;
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struct Bytecode *fn;
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};
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} Value;
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/* constructors / helpers */
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Value make_int(int64_t v);
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Value make_string(const char *s);
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Value make_function(struct Bytecode *fn);
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Value make_nil(void);
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/* copy (deep for strings), free (free string only) */
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Value copy_value(const Value *v);
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void free_value(Value v);
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/* utilities */
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void print_value(const Value *v);
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int value_is_truthy(const Value *v);
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#endif
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