From 4556842400b69b0a2c3bead3ea8813b19867691e Mon Sep 17 00:00:00 2001 From: Robert Konrad Date: Sat, 24 Aug 2024 21:33:13 +0200 Subject: [PATCH] Parse negative numbers as tokens --- Sources/tokenizer.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/Sources/tokenizer.c b/Sources/tokenizer.c index 5de1bd7..b8c3532 100644 --- a/Sources/tokenizer.c +++ b/Sources/tokenizer.c @@ -12,8 +12,8 @@ token tokens_get(tokens *tokens, size_t index) { return tokens->t[index]; } -static bool is_num(char ch) { - return ch == '0' || ch == '1' || ch == '2' || ch == '3' || ch == '4' || ch == '5' || ch == '6' || ch == '7' || ch == '8' || ch == '9'; +static bool is_num(char ch, char chch) { + return (ch >= '0' && ch <= '9') || (ch == '-' && chch >= '0' && chch <= '9'); } static bool is_op(char ch) { @@ -262,7 +262,7 @@ tokens tokenize(const char *filename, const char *source) { } } } - else if (is_num(ch)) { + else if (is_num(ch, state.next_next)) { mode = MODE_NUMBER; tokenizer_buffer_reset(&buffer, &state); tokenizer_buffer_add(&buffer, ch); @@ -341,7 +341,7 @@ tokens tokenize(const char *filename, const char *source) { break; } case MODE_NUMBER: { - if (is_num(ch) || ch == '.') { + if (is_num(ch, 0) || ch == '.') { tokenizer_buffer_add(&buffer, ch); tokenizer_state_advance(&context, &state); }