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author | David Phillips <david@sighup.nz> | 2018-08-01 01:00:54 +1200 |
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committer | David Phillips <david@sighup.nz> | 2018-08-01 01:00:54 +1200 |
commit | 645acc193a739ab771fb46e8ec2cf6cd87909597 (patch) | |
tree | 482c5d59220af7ae2cc8f34a860174f4b1affd01 /lexer.h | |
parent | 96776c831e9d2fcbd69bc1e0faa16026c5ed25b0 (diff) | |
download | hence-645acc193a739ab771fb46e8ec2cf6cd87909597.tar.xz |
WIP: Implement more robust, separated lexer+parser passes
Diffstat (limited to 'lexer.h')
-rw-r--r-- | lexer.h | 33 |
1 files changed, 33 insertions, 0 deletions
@@ -0,0 +1,33 @@ +#define MAX_IDENT_LENGTH 128 + +enum TOKEN_TYPE { + /* Keywords */ + TOK_MODULE, + TOK_INPUT, + TOK_EXPR, + TOK_COLON, + TOK_EOL, + TOK_OR, + TOK_AND, + TOK_XOR, + TOK_NOT, + + /* Etc */ + TOK_IDENT +}; + +struct location { + size_t line; + size_t column; +}; + +struct token { + enum TOKEN_TYPE type; + struct location loc; + char value[MAX_IDENT_LENGTH]; + struct token *next; +}; + +struct token* lex_file(FILE*); +const char *get_token_description(enum TOKEN_TYPE); + |