Commit Graph

8 Commits

Author SHA1 Message Date
amery 73cda64c4b lexer: introduce a Position (Line, Column) handler
Signed-off-by: Alejandro Mery <amery@jpi.io>
2023-08-29 15:36:57 +00:00
amery df82e043bb Merge branch 'pr-amery-lexer' into next-amery 2023-08-29 15:36:31 +00:00
amery 1d62857e14 lexer: introduce StateFn and the basic state machine loop
v2: make the error break more explicit

Signed-off-by: Alejandro Mery <amery@jpi.io>
2023-08-29 15:11:51 +00:00
amery f67d8a2443 lexer: introduce Error{}
Signed-off-by: Alejandro Mery <amery@jpi.io>
2023-08-29 13:54:23 +00:00
amery d83b128c30 lexer: introduce Reader.Accept()/AcceptAll()
Signed-off-by: Alejandro Mery <amery@jpi.io>
2023-08-29 13:26:49 +00:00
amery 6cca2996ca lexer: Implement Reader.UnreadRune() and Reader.PeekRune()
Signed-off-by: Alejandro Mery <amery@jpi.io>
2023-08-29 02:00:43 +00:00
amery edcba80baa lexer: fix ReadRune() to actually move the cursor
Signed-off-by: Alejandro Mery <amery@jpi.io>
2023-08-29 02:00:38 +00:00
amery 7230a74f49 lexer: runes.Reader renamed to lexer.Reader
Signed-off-by: Alejandro Mery <amery@jpi.io>
2023-08-29 01:59:09 +00:00