py/lexer: Permanently disable the mp_lexer_show_token function.
The lexer is very mature and this debug function is no longer used. If
it's really needed one can uncomment it and recompile.
diff --git a/py/lexer.c b/py/lexer.c
index 6c8ac9a..458fba0 100644
--- a/py/lexer.c
+++ b/py/lexer.c
@@ -792,7 +792,9 @@
mp_lexer_next_token_into(lex, false);
}
-#if MICROPY_DEBUG_PRINTERS
+#if 0
+// This function is used to print the current token and should only be
+// needed to debug the lexer, so it's not available via a config option.
void mp_lexer_show_token(const mp_lexer_t *lex) {
printf("(" UINT_FMT ":" UINT_FMT ") kind:%u str:%p len:%zu", lex->tok_line, lex->tok_column, lex->tok_kind, lex->vstr.buf, lex->vstr.len);
if (lex->vstr.len > 0) {
diff --git a/py/lexer.h b/py/lexer.h
index 1461f9c..32aef96 100644
--- a/py/lexer.h
+++ b/py/lexer.h
@@ -172,7 +172,6 @@
void mp_lexer_free(mp_lexer_t *lex);
void mp_lexer_to_next(mp_lexer_t *lex);
-void mp_lexer_show_token(const mp_lexer_t *lex);
/******************************************************************/
// platform specific import function; must be implemented for a specific port
diff --git a/py/mpconfig.h b/py/mpconfig.h
index 8cf4bbb..6d18937 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -362,7 +362,6 @@
#endif
// Whether to build functions that print debugging info:
-// mp_lexer_show_token
// mp_bytecode_print
// mp_parse_node_print
#ifndef MICROPY_DEBUG_PRINTERS