From 2d9ab63695f6774a2805d4fe1a2b92710c478b5a Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Sun, 20 Jul 2025 02:21:53 -0400 Subject: usr: oasm: Store last token and line number Keep track of the last token type (for parser) and keep track of the current line number for debugging. Signed-off-by: Ian Moffett --- usr.bin/oasm/include/oasm/state.h | 3 +++ usr.bin/oasm/lex.c | 15 +++++++++------ 2 files changed, 12 insertions(+), 6 deletions(-) diff --git a/usr.bin/oasm/include/oasm/state.h b/usr.bin/oasm/include/oasm/state.h index c21d877..d4688c2 100644 --- a/usr.bin/oasm/include/oasm/state.h +++ b/usr.bin/oasm/include/oasm/state.h @@ -33,9 +33,12 @@ #include #include #include +#include struct oasm_state { int in_fd; + off_t line; + tt_t last; }; #endif /* !_OASM_STATE_H_ */ diff --git a/usr.bin/oasm/lex.c b/usr.bin/oasm/lex.c index bd0b8f7..56c6eb5 100644 --- a/usr.bin/oasm/lex.c +++ b/usr.bin/oasm/lex.c @@ -50,14 +50,15 @@ static char putback = '\0'; * skippable token. Otherwise, -1 */ static inline int -lex_skippable(char c) +lex_skippable(struct oasm_state *state, char c) { switch (c) { - case ' ': - case '\f': - case '\t': - case '\r': + case ' ': return 0; + case '\f': return 0; + case '\t': return 0; + case '\r': return 0; case '\n': + ++state->line; return 0; } @@ -135,6 +136,7 @@ lex_nomstr(struct oasm_state *state, char **res) break; } if (tmp == '\n') { + ++state->line; retval = tmp; break; @@ -231,7 +233,7 @@ lex_tok(struct oasm_state *state, struct oasm_token *ttp) * Grab characters. If they are skippable, * don't use them. */ - while (lex_skippable(c) == 0) { + while (lex_skippable(state, c) == 0) { if ((c = lex_cin(state)) == 0) { return -1; } @@ -239,6 +241,7 @@ lex_tok(struct oasm_state *state, struct oasm_token *ttp) switch (c) { case '\n': + ++state->line; return 0; case '\0': return -1; -- cgit v1.2.3