diff options
Diffstat (limited to 'gcc/read-md.c')
| -rw-r--r-- | gcc/read-md.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/gcc/read-md.c b/gcc/read-md.c index 6fe2600..095075f 100644 --- a/gcc/read-md.c +++ b/gcc/read-md.c @@ -340,17 +340,40 @@ read_skip_spaces (void) } } +/* Consume the next character, issuing a fatal error if it is not + EXPECTED. */ + +void +rtx_reader::require_char (char expected) +{ + int ch = read_char (); + if (ch != expected) + fatal_expected_char (expected, ch); +} + /* Consume any whitespace, then consume the next non-whitespace character, issuing a fatal error if it is not EXPECTED. */ void -require_char_ws (char expected) +rtx_reader::require_char_ws (char expected) { int ch = read_skip_spaces (); if (ch != expected) fatal_expected_char (expected, ch); } +/* Consume any whitespace, then consume the next word (as per read_name), + issuing a fatal error if it is not EXPECTED. */ + +void +rtx_reader::require_word_ws (const char *expected) +{ + struct md_name name; + read_name (&name); + if (strcmp (name.string, expected)) + fatal_with_file_and_line ("missing '%s'", expected); +} + /* Read the next character from the file. */ int @@ -386,6 +409,16 @@ rtx_reader::unread_char (int ch) ungetc (ch, m_read_md_file); } +/* Peek at the next character from the file without consuming it. */ + +int +rtx_reader::peek_char (void) +{ + int ch = read_char (); + unread_char (ch); + return ch; +} + /* Read an rtx code name into NAME. It is terminated by any of the punctuation chars of rtx printed syntax. */ |