diff options
Diffstat (limited to 'gcc/c-lex.c')
| -rw-r--r-- | gcc/c-lex.c | 109 |
1 files changed, 40 insertions, 69 deletions
diff --git a/gcc/c-lex.c b/gcc/c-lex.c index 313b4be..f9c4225 100644 --- a/gcc/c-lex.c +++ b/gcc/c-lex.c @@ -64,27 +64,24 @@ int c_header_level; /* depth in C headers - C++ only */ /* Nonzero tells yylex to ignore \ in string constants. */ static int ignore_escape_flag; -static tree interpret_integer PARAMS ((const cpp_token *, unsigned int)); -static tree interpret_float PARAMS ((const cpp_token *, unsigned int)); +static tree interpret_integer (const cpp_token *, unsigned int); +static tree interpret_float (const cpp_token *, unsigned int); static enum integer_type_kind - narrowest_unsigned_type PARAMS ((tree, unsigned int)); + narrowest_unsigned_type (tree, unsigned int); static enum integer_type_kind - narrowest_signed_type PARAMS ((tree, unsigned int)); -static tree lex_string PARAMS ((const cpp_string *)); -static tree lex_charconst PARAMS ((const cpp_token *)); -static void update_header_times PARAMS ((const char *)); -static int dump_one_header PARAMS ((splay_tree_node, void *)); -static void cb_line_change PARAMS ((cpp_reader *, const cpp_token *, int)); -static void cb_ident PARAMS ((cpp_reader *, unsigned int, - const cpp_string *)); -static void cb_def_pragma PARAMS ((cpp_reader *, unsigned int)); -static void cb_define PARAMS ((cpp_reader *, unsigned int, - cpp_hashnode *)); -static void cb_undef PARAMS ((cpp_reader *, unsigned int, - cpp_hashnode *)); + narrowest_signed_type (tree, unsigned int); +static tree lex_string (const cpp_string *); +static tree lex_charconst (const cpp_token *); +static void update_header_times (const char *); +static int dump_one_header (splay_tree_node, void *); +static void cb_line_change (cpp_reader *, const cpp_token *, int); +static void cb_ident (cpp_reader *, unsigned int, const cpp_string *); +static void cb_def_pragma (cpp_reader *, unsigned int); +static void cb_define (cpp_reader *, unsigned int, cpp_hashnode *); +static void cb_undef (cpp_reader *, unsigned int, cpp_hashnode *); void -init_c_lex () +init_c_lex (void) { struct cpp_callbacks *cb; struct c_fileinfo *toplevel; @@ -100,7 +97,7 @@ init_c_lex () body_time = get_run_time (); toplevel->time = body_time; } - + cb = cpp_get_callbacks (parse_in); cb->line_change = cb_line_change; @@ -120,8 +117,7 @@ init_c_lex () } struct c_fileinfo * -get_fileinfo (name) - const char *name; +get_fileinfo (const char *name) { splay_tree_node n; struct c_fileinfo *fi; @@ -140,8 +136,7 @@ get_fileinfo (name) } static void -update_header_times (name) - const char *name; +update_header_times (const char *name) { /* Changing files again. This means currently collected time is charged against header time, and body time starts back at 0. */ @@ -156,9 +151,7 @@ update_header_times (name) } static int -dump_one_header (n, dummy) - splay_tree_node n; - void *dummy ATTRIBUTE_UNUSED; +dump_one_header (splay_tree_node n, void *dummy ATTRIBUTE_UNUSED) { print_time ((const char *) n->key, ((struct c_fileinfo *) n->value)->time); @@ -166,7 +159,7 @@ dump_one_header (n, dummy) } void -dump_time_statistics () +dump_time_statistics (void) { struct c_fileinfo *file = get_fileinfo (input_filename); int this_time = get_run_time (); @@ -183,10 +176,9 @@ dump_time_statistics () } static void -cb_ident (pfile, line, str) - cpp_reader *pfile ATTRIBUTE_UNUSED; - unsigned int line ATTRIBUTE_UNUSED; - const cpp_string *str ATTRIBUTE_UNUSED; +cb_ident (cpp_reader *pfile ATTRIBUTE_UNUSED, + unsigned int line ATTRIBUTE_UNUSED, + const cpp_string *str ATTRIBUTE_UNUSED) { #ifdef ASM_OUTPUT_IDENT if (! flag_no_ident) @@ -201,17 +193,14 @@ cb_ident (pfile, line, str) /* Called at the start of every non-empty line. TOKEN is the first lexed token on the line. Used for diagnostic line numbers. */ static void -cb_line_change (pfile, token, parsing_args) - cpp_reader *pfile ATTRIBUTE_UNUSED; - const cpp_token *token; - int parsing_args ATTRIBUTE_UNUSED; +cb_line_change (cpp_reader *pfile ATTRIBUTE_UNUSED, const cpp_token *token, + int parsing_args ATTRIBUTE_UNUSED) { src_lineno = SOURCE_LINE (map, token->line); } void -fe_file_change (new_map) - const struct line_map *new_map; +fe_file_change (const struct line_map *new_map) { unsigned int to_line = SOURCE_LINE (new_map, new_map->to_line); @@ -250,7 +239,7 @@ fe_file_change (new_map) } #endif pop_srcloc (); - + (*debug_hooks->end_source_file) (to_line); } @@ -265,9 +254,7 @@ fe_file_change (new_map) } static void -cb_def_pragma (pfile, line) - cpp_reader *pfile; - unsigned int line; +cb_def_pragma (cpp_reader *pfile, unsigned int line) { /* Issue a warning message if we have been asked to do so. Ignore unknown pragmas in system headers unless an explicit @@ -294,10 +281,7 @@ cb_def_pragma (pfile, line) /* #define callback for DWARF and DWARF2 debug info. */ static void -cb_define (pfile, line, node) - cpp_reader *pfile; - unsigned int line; - cpp_hashnode *node; +cb_define (cpp_reader *pfile, unsigned int line, cpp_hashnode *node) { (*debug_hooks->define) (SOURCE_LINE (map, line), (const char *) cpp_macro_definition (pfile, node)); @@ -305,18 +289,15 @@ cb_define (pfile, line, node) /* #undef callback for DWARF and DWARF2 debug info. */ static void -cb_undef (pfile, line, node) - cpp_reader *pfile ATTRIBUTE_UNUSED; - unsigned int line; - cpp_hashnode *node; +cb_undef (cpp_reader *pfile ATTRIBUTE_UNUSED, unsigned int line, + cpp_hashnode *node) { (*debug_hooks->undef) (SOURCE_LINE (map, line), (const char *) NODE_NAME (node)); } int -c_lex (value) - tree *value; +c_lex (tree *value) { const cpp_token *tok; @@ -403,9 +384,7 @@ c_lex (value) minimum specified by FLAGS, that can fit VALUE, or itk_none if there isn't one. */ static enum integer_type_kind -narrowest_unsigned_type (value, flags) - tree value; - unsigned int flags; +narrowest_unsigned_type (tree value, unsigned int flags) { enum integer_type_kind itk; @@ -429,9 +408,7 @@ narrowest_unsigned_type (value, flags) /* Ditto, but narrowest signed type. */ static enum integer_type_kind -narrowest_signed_type (value, flags) - tree value; - unsigned int flags; +narrowest_signed_type (tree value, unsigned int flags) { enum integer_type_kind itk; @@ -455,9 +432,7 @@ narrowest_signed_type (value, flags) /* Interpret TOKEN, an integer with FLAGS as classified by cpplib. */ static tree -interpret_integer (token, flags) - const cpp_token *token; - unsigned int flags; +interpret_integer (const cpp_token *token, unsigned int flags) { tree value, type; enum integer_type_kind itk; @@ -535,9 +510,7 @@ interpret_integer (token, flags) /* Interpret TOKEN, a floating point number with FLAGS as classified by cpplib. */ static tree -interpret_float (token, flags) - const cpp_token *token; - unsigned int flags; +interpret_float (const cpp_token *token, unsigned int flags) { tree type; tree value; @@ -599,15 +572,14 @@ interpret_float (token, flags) } static tree -lex_string (str) - const cpp_string *str; +lex_string (const cpp_string *str) { bool wide; tree value; char *buf, *q; cppchar_t c; const unsigned char *p, *limit; - + wide = str->text[0] == 'L'; p = str->text + 1 + wide; limit = str->text + str->len - 1; @@ -619,7 +591,7 @@ lex_string (str) if (c == '\\' && !ignore_escape_flag) c = cpp_parse_escape (parse_in, &p, limit, wide); - + /* Add this single character into the buffer either as a wchar_t, a multibyte sequence, or as a single byte. */ if (wide) @@ -672,8 +644,7 @@ lex_string (str) /* Converts a (possibly wide) character constant token into a tree. */ static tree -lex_charconst (token) - const cpp_token *token; +lex_charconst (const cpp_token *token) { cppchar_t result; tree type, value; @@ -681,7 +652,7 @@ lex_charconst (token) int unsignedp; result = cpp_interpret_charconst (parse_in, token, - &chars_seen, &unsignedp); + &chars_seen, &unsignedp); /* Cast to cppchar_signed_t to get correct sign-extension of RESULT before possibly widening to HOST_WIDE_INT for build_int_2. */ |