100 lines
1.9 KiB
C
100 lines
1.9 KiB
C
// Kyler Olsen
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// YREA SLS
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// Lexer Header
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// October 2025
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#ifndef SLS_LEXER_H
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#define SLS_LEXER_H
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#include <stdint.h>
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typedef enum {
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TOKEN_EOF,
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TOKEN_IDENTIFIER,
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TOKEN_INTEGER,
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TOKEN_FLOAT,
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TOKEN_DOUBLE,
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TOKEN_STRING,
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TOKEN_BOOLEAN,
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TOKEN_ARRAY,
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TOKEN_TOKEN_STRING,
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TOKEN_TYPE_TUPLE,
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} TokenType;
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typedef enum {
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INTEGER_I64,
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INTEGER_I32,
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INTEGER_I16,
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INTEGER_I8,
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INTEGER_U64,
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INTEGER_U32,
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INTEGER_U16,
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INTEGER_U8,
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} IntegerBuiltInType;
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typedef struct {
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const char *name;
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size_t length;
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uint8_t is_literal;
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} Identifier;
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typedef struct {
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uint64_t value;
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IntegerBuiltInType type;
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} IntegerLiteral;
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typedef struct {
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const char *value;
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size_t length;
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} StringLiteral;
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typedef struct {
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TokenType type;
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union {
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Identifier *identifiers;
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IntegerLiteral *integer_literals;
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float *float_literals;
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double *double_literals;
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StringLiteral *string_literals;
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uint8_t *boolean_literals;
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ArrayLiteral *array_literals;
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TokenString *token_strings;
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TypeTuple *type_tuples;
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};
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size_t length;
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} ArrayLiteral;
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typedef struct {
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const Token *tokens;
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size_t length;
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} TokenString;
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typedef struct {
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Identifier *input_identifiers;
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size_t input_length;
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Identifier *output_identifiers;
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size_t output_length;
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} TypeTuple;
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typedef struct {
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TokenType type;
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union {
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Identifier identifier;
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IntegerLiteral integer_literal;
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float float_literal;
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double double_literal;
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StringLiteral string_literal;
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uint8_t boolean_literal;
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ArrayLiteral array_literal;
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TokenString token_string;
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TypeTuple type_tuple;
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};
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} Token;
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typedef struct TokenStream {
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Token token;
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struct TokenStream *next;
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} TokenStream;
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#endif // SLS_LEXER_H
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