46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
#ifndef SK_LEXER_H
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#define SK_LEXER_H
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#include "commons.h"
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#include "token.h"
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struct context
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{
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int line;
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size_t cursor;
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};
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struct lexer
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{
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char* source;
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size_t len;
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struct context context;
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};
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void lexer_init(struct lexer* self, char const* source);
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void lexer_free(struct lexer* self);
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bool lexer_is_at_end(struct lexer* self);
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void lexer_skip_spaces(struct lexer* self);
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void lexer_skip_comments(struct lexer* self);
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bool lexer_is_sep(struct lexer* self, size_t index);
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bool lexer_next_is(struct lexer* self, TokenKind kind);
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bool lexer_next_nth_is(struct lexer* self, TokenKind kind, int nth);
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void lexer_consume_next(struct lexer* self);
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struct token* lexer_try_new_next(struct lexer* self);
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struct token* lexer_try_scan_int(struct lexer* self);
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struct token* lexer_try_scan_float(struct lexer* self);
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struct token* lexer_try_scan_string(struct lexer* self);
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struct token* lexer_try_scan_ident(struct lexer* self);
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bool lexer_is_ident(struct lexer* self, size_t index);
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struct token* lexer_try_scan_text(struct lexer* self,
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char const* text,
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TokenKind kind);
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struct token* lexer_try_scan_keyword(struct lexer* self,
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char const* keyword,
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TokenKind kind,
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char const* value);
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#endif
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