Files
lisp/lisp.h
T
2026-07-21 11:53:10 +02:00

67 lines
1.2 KiB
C

#ifndef LISP_H
#define LISP_H
#include "nob.h"
typedef enum e_TokenKind {
TOKEN_KIND_PAR_LEFT,
TOKEN_KIND_PAR_RIGHT,
TOKEN_KIND_NUMBER,
TOKEN_KIND_SYMBOL,
} TokenKind;
typedef struct s_Token {
TokenKind kind;
Nob_String_View data;
} Token;
typedef struct s_Tokens {
Token *items;
size_t count;
size_t capacity;
} Tokens;
typedef enum e_NodeKind {
NODE_KIND_SYMBOL,
NODE_KIND_LIST,
NODE_KIND_NUMBER,
NODE_KIND_FUNCTION,
} NodeKind;
typedef struct s_Node Node;
typedef struct s_Nodes Nodes;
typedef Node *(*lisp_function_ptr)(Nodes *args);
typedef struct s_LispFunction {
Nob_String_View name;
lisp_function_ptr apply;
} LispFunction;
typedef struct s_Node {
NodeKind kind;
union {
Nob_String_View as_symbol;
Nodes *as_list;
long long as_number;
LispFunction as_function;
};
} Node;
struct s_Nodes {
Node *items;
size_t count;
size_t capacity;
};
const char *token_kind_name(TokenKind kind);
void node_print(Node node);
void tokenize(Nob_String_View content, Tokens *tokens);
Node *parse(Tokens *tokens);
Node *eval(Node *node);
// builtins
Node *lisp_function_addition(Nodes *args);
#endif // LISP_H