62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
#ifndef CCM_LEXER_H
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#define CCM_LEXER_H
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#include "commons.h"
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#include "node.h"
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#include "str.h"
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#include "err.h"
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typedef struct {
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ssize_t cursor;
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int line;
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} lexer_state_t;
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typedef struct {
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char const* repr;
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NodeKind kind;
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} lexer_entry_t;
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typedef struct {
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err_t err;
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str_t separators;
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char* source;
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ssize_t cursor;
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int line;
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vec_t texts;
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} lexer_t;
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void lexer_init(lexer_t* self);
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void lexer_free(lexer_t* self);
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void lexer_scan(lexer_t* self, char const* source);
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void lexer_skip_spaces(lexer_t* self);
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int lexer_is_sep(lexer_t* self, ssize_t pos);
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void lexer_add_text(lexer_t* self, char const* repr, NodeKind kind);
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node_t* lexer_peek(lexer_t* self, int lookahead);
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int lexer_peek_kind(lexer_t* self, NodeKind kind, int lookahead);
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lexer_state_t lexer_state(lexer_t* self);
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void lexer_restore(lexer_t* self, lexer_state_t state);
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node_t* lexer_try_new_next(lexer_t* self);
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int lexer_consume_next(lexer_t* self, NodeKind kind);
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node_t* lexer_try_new_keyword(lexer_t* self,
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char const* keyword,
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NodeKind kind,
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int has_value);
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node_t* lexer_try_new_text(lexer_t* self,
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char const* text,
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NodeKind kind,
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int has_value);
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node_t* lexer_try_new_num(lexer_t* self);
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node_t* lexer_try_new_str(lexer_t* self);
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node_t* lexer_try_new_ident(lexer_t* self);
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int lexer_is_ident_start(lexer_t* lexer, char c);
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int lexer_is_ident(lexer_t* lexer, char c);
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#endif
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