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#ifndef DUCC_TOKEN_H
#define DUCC_TOKEN_H
#include "io.h"
enum TokenKind {
TokenKind_eof,
// Only preprocessing phase.
TokenKind_hash,
TokenKind_hashhash,
TokenKind_whitespace,
TokenKind_newline,
TokenKind_other,
TokenKind_character_constant,
TokenKind_header_name,
TokenKind_pp_directive_define,
TokenKind_pp_directive_elif,
TokenKind_pp_directive_elifdef,
TokenKind_pp_directive_elifndef,
TokenKind_pp_directive_else,
TokenKind_pp_directive_embed,
TokenKind_pp_directive_endif,
TokenKind_pp_directive_error,
TokenKind_pp_directive_if,
TokenKind_pp_directive_ifdef,
TokenKind_pp_directive_ifndef,
TokenKind_pp_directive_include,
TokenKind_pp_directive_line,
TokenKind_pp_directive_pragma,
TokenKind_pp_directive_undef,
TokenKind_pp_directive_warning,
TokenKind_pp_operator_defined,
TokenKind_pp_operator___has_c_attribute,
TokenKind_pp_operator___has_embed,
TokenKind_pp_operator___has_include,
// C23: 6.4.1
TokenKind_keyword_alignas,
TokenKind_keyword_alignof,
TokenKind_keyword_auto,
TokenKind_keyword_bool,
TokenKind_keyword_break,
TokenKind_keyword_case,
TokenKind_keyword_char,
TokenKind_keyword_const,
TokenKind_keyword_constexpr,
TokenKind_keyword_continue,
TokenKind_keyword_default,
TokenKind_keyword_do,
TokenKind_keyword_double,
TokenKind_keyword_else,
TokenKind_keyword_enum,
TokenKind_keyword_extern,
TokenKind_keyword_false,
TokenKind_keyword_float,
TokenKind_keyword_for,
TokenKind_keyword_goto,
TokenKind_keyword_if,
TokenKind_keyword_inline,
TokenKind_keyword_int,
TokenKind_keyword_long,
TokenKind_keyword_nullptr,
TokenKind_keyword_register,
TokenKind_keyword_restrict,
TokenKind_keyword_return,
TokenKind_keyword_short,
TokenKind_keyword_signed,
TokenKind_keyword_sizeof,
TokenKind_keyword_static,
TokenKind_keyword_static_assert,
TokenKind_keyword_struct,
TokenKind_keyword_switch,
TokenKind_keyword_thread_local,
TokenKind_keyword_true,
TokenKind_keyword_typedef,
TokenKind_keyword_typeof,
TokenKind_keyword_typeof_unqual,
TokenKind_keyword_union,
TokenKind_keyword_unsigned,
TokenKind_keyword_void,
TokenKind_keyword_volatile,
TokenKind_keyword_while,
TokenKind_keyword__Atomic,
TokenKind_keyword__BitInt,
TokenKind_keyword__Complex,
TokenKind_keyword__Decimal128,
TokenKind_keyword__Decimal32,
TokenKind_keyword__Decimal64,
TokenKind_keyword__Generic,
TokenKind_keyword__Imaginary,
TokenKind_keyword__Noreturn,
TokenKind_and,
TokenKind_andand,
TokenKind_arrow,
TokenKind_assign,
TokenKind_assign_add,
TokenKind_assign_and,
TokenKind_assign_div,
TokenKind_assign_lshift,
TokenKind_assign_mod,
TokenKind_assign_mul,
TokenKind_assign_or,
TokenKind_assign_rshift,
TokenKind_assign_sub,
TokenKind_assign_xor,
TokenKind_brace_l,
TokenKind_brace_r,
TokenKind_bracket_l,
TokenKind_bracket_r,
TokenKind_colon,
TokenKind_comma,
TokenKind_dot,
TokenKind_ellipsis,
TokenKind_eq,
TokenKind_ge,
TokenKind_gt,
TokenKind_ident,
TokenKind_le,
TokenKind_literal_int,
TokenKind_literal_str,
TokenKind_lshift,
TokenKind_lt,
TokenKind_minus,
TokenKind_minusminus,
TokenKind_ne,
TokenKind_not,
TokenKind_or,
TokenKind_oror,
TokenKind_paren_l,
TokenKind_paren_r,
TokenKind_percent,
TokenKind_plus,
TokenKind_plusplus,
TokenKind_question,
TokenKind_rshift,
TokenKind_semicolon,
TokenKind_slash,
TokenKind_star,
TokenKind_tilde,
TokenKind_xor,
};
typedef enum TokenKind TokenKind;
const char* token_kind_stringify(TokenKind k);
// TokenValue is externally tagged by Token's kind.
union TokenValue {
const char* string;
int integer;
};
typedef union TokenValue TokenValue;
struct Token {
TokenKind kind;
TokenValue value;
SourceLocation loc;
};
typedef struct Token Token;
const char* token_stringify(Token* t);
struct TokenArray {
size_t len;
size_t capacity;
Token* data;
};
typedef struct TokenArray TokenArray;
void tokens_init(TokenArray* tokens, size_t capacity);
void tokens_reserve(TokenArray* tokens, size_t size);
Token* tokens_push_new(TokenArray* tokens);
Token* tokens_pop(TokenArray* tokens);
#endif
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