diff options
Diffstat (limited to 'gcc/cpplib.c')
-rw-r--r-- | gcc/cpplib.c | 90 |
1 files changed, 34 insertions, 56 deletions
diff --git a/gcc/cpplib.c b/gcc/cpplib.c index aaf55a0..adbd8d1 100644 --- a/gcc/cpplib.c +++ b/gcc/cpplib.c @@ -113,7 +113,7 @@ SCCS_ENTRY /* 0 SVR2? */ pointers to functions returning void. */ /* Don't invoke CONCAT2 with any whitespace or K&R cc will fail. */ -#define D(name, t, o, f) static int CONCAT2(do_,name) PARAMS ((cpp_reader *)); +#define D(name, t, o, f) static void CONCAT2(do_,name) PARAMS ((cpp_reader *)); DIRECTIVE_TABLE #undef D @@ -272,7 +272,7 @@ get_define_node (pfile) } /* Process a #define command. */ -static int +static void do_define (pfile) cpp_reader *pfile; { @@ -287,11 +287,10 @@ do_define (pfile) else if (CPP_OPTION (pfile, dump_macros) == dump_names) dump_macro_name (pfile, node); } - return 0; } /* Remove the definition of a symbol from the symbol table. */ -static int +static void do_undef (pfile) cpp_reader *pfile; { @@ -317,8 +316,6 @@ do_undef (pfile) _cpp_free_definition (node); node->type = T_VOID; } - - return 0; } @@ -360,7 +357,7 @@ parse_include (pfile, dir, trail, strp, lenp, abp) return 0; } -static int +static void do_include (pfile) cpp_reader *pfile; { @@ -369,15 +366,14 @@ do_include (pfile) int ab; if (parse_include (pfile, dtable[T_INCLUDE].name, 0, &str, &len, &ab)) - return 0; + return; _cpp_execute_include (pfile, str, len, 0, 0, ab); if (CPP_OPTION (pfile, dump_includes)) pass_thru_directive (pfile); - return 0; } -static int +static void do_import (pfile) cpp_reader *pfile; { @@ -394,15 +390,14 @@ do_import (pfile) } if (parse_include (pfile, dtable[T_IMPORT].name, 0, &str, &len, &ab)) - return 0; + return; _cpp_execute_include (pfile, str, len, 1, 0, ab); if (CPP_OPTION (pfile, dump_includes)) pass_thru_directive (pfile); - return 0; } -static int +static void do_include_next (pfile) cpp_reader *pfile; { @@ -412,7 +407,7 @@ do_include_next (pfile) int ab; if (parse_include (pfile, dtable[T_INCLUDE_NEXT].name, 0, &str, &len, &ab)) - return 0; + return; /* For #include_next, skip in the search path past the dir in which the current file was found. If this is the last directory in the @@ -426,7 +421,7 @@ do_include_next (pfile) { search_start = CPP_BUFFER (pfile)->inc->foundhere->next; if (!search_start) - return 0; + return; } } else @@ -435,8 +430,6 @@ do_include_next (pfile) _cpp_execute_include (pfile, str, len, 0, search_start, ab); if (CPP_OPTION (pfile, dump_includes)) pass_thru_directive (pfile); - - return 0; } /* Subroutine of do_line. Read next token from PFILE without adding it to @@ -494,7 +487,7 @@ strtoul_for_line (str, len, nump) Note that the filename string (if any) is treated as if it were an include filename. That means no escape handling. */ -static int +static void do_line (pfile) cpp_reader *pfile; { @@ -552,7 +545,7 @@ do_line (pfile) } if (read_line_number (pfile, &action_number) == 0) - return 0; + return; if (CPP_PEDANTIC (pfile)) cpp_pedwarn (pfile, "garbage at end of #line"); @@ -582,10 +575,9 @@ do_line (pfile) cpp_make_system_header (pfile, ip, 2); read_line_number (pfile, &action_number); } - return 0; done: - return 0; + return; } /* @@ -594,7 +586,7 @@ do_line (pfile) * (We use error because it prints the filename & line#.) */ -static int +static void do_error (pfile) cpp_reader *pfile; { @@ -605,8 +597,6 @@ do_error (pfile) limit = pfile->limit; pfile->limit = text; cpp_error (pfile, "%.*s", (int)(limit - text), text); - - return 0; } /* @@ -614,7 +604,7 @@ do_error (pfile) * Use the text of the line in the warning message, then continue. */ -static int +static void do_warning (pfile) cpp_reader *pfile; { @@ -625,12 +615,11 @@ do_warning (pfile) limit = pfile->limit; pfile->limit = text; cpp_warning (pfile, "%.*s", (int)(limit - text), text); - return 0; } /* Report program identification. */ -static int +static void do_ident (pfile) cpp_reader *pfile; { @@ -641,11 +630,10 @@ do_ident (pfile) { /* Good - ship it. */ pass_thru_directive (pfile); - return 0; + return; } cpp_error (pfile, "invalid #ident"); - return 0; } /* Pragmata handling. We handle some of these, and pass the rest on @@ -708,7 +696,7 @@ static int pragma_dispatch (pfile, table, node) return 0; } -static int +static void do_pragma (pfile) cpp_reader *pfile; { @@ -717,17 +705,16 @@ do_pragma (pfile) tok = _cpp_get_token (pfile); if (tok->type == CPP_EOF) - return 0; + return; else if (tok->type != CPP_NAME) { cpp_error (pfile, "malformed #pragma directive"); - return 0; + return; } pop = pragma_dispatch (pfile, top_pragmas, tok->val.node); if (!pop) pass_thru_directive (pfile); - return 0; } static int @@ -900,11 +887,10 @@ do_pragma_dependency (pfile) /* Just ignore #sccs, on systems where we define it at all. */ #ifdef SCCS_DIRECTIVE -static int +static void do_sccs (pfile) cpp_reader *pfile ATTRIBUTE_UNUSED; { - return 0; } #endif @@ -991,7 +977,7 @@ parse_ifdef (pfile, name) /* #ifdef is dead simple. */ -static int +static void do_ifdef (pfile) cpp_reader *pfile; { @@ -1001,13 +987,12 @@ do_ifdef (pfile) node = parse_ifdef (pfile, dtable[T_IFDEF].name); push_conditional (pfile, !(node && node->type != T_VOID), T_IFDEF, 0); - return 0; } /* #ifndef is a tad more complex, because we need to check for a no-reinclusion wrapper. */ -static int +static void do_ifndef (pfile) cpp_reader *pfile; { @@ -1022,13 +1007,12 @@ do_ifndef (pfile) push_conditional (pfile, node && node->type != T_VOID, T_IFNDEF, start_of_file ? node : 0); - return 0; } /* #if is straightforward; just call _cpp_parse_expr, then conditional_skip. Also, check for a reinclude preventer of the form #if !defined (MACRO). */ -static int +static void do_if (pfile) cpp_reader *pfile; { @@ -1042,14 +1026,13 @@ do_if (pfile) value = _cpp_parse_expr (pfile); } push_conditional (pfile, value == 0, T_IF, cmacro); - return 0; } /* #else flips pfile->skipping and continues without changing if_stack; this is so that the error message for missing #endif's etc. will point to the original #if. */ -static int +static void do_else (pfile) cpp_reader *pfile; { @@ -1059,7 +1042,7 @@ do_else (pfile) if (ifs == NULL) { cpp_error (pfile, "#else without #if"); - return 0; + return; } if (ifs->type == T_ELSE) { @@ -1079,7 +1062,6 @@ do_else (pfile) if (pfile->skipping < 2) pfile->skipping = ! pfile->skipping; } - return 0; } /* @@ -1087,7 +1069,7 @@ do_else (pfile) * see the comment above do_else. */ -static int +static void do_elif (pfile) cpp_reader *pfile; { @@ -1096,7 +1078,7 @@ do_elif (pfile) if (ifs == NULL) { cpp_error (pfile, "#elif without #if"); - return 0; + return; } if (ifs->type == T_ELSE) { @@ -1107,21 +1089,20 @@ do_elif (pfile) ifs->type = T_ELIF; if (ifs->was_skipping) - return 0; /* Don't evaluate a nested #if */ + return; /* Don't evaluate a nested #if */ if (pfile->skipping != 1) { pfile->skipping = 2; /* one block succeeded, so don't do any others */ - return 0; + return; } pfile->skipping = ! _cpp_parse_expr (pfile); - return 0; } /* #endif pops the if stack and resets pfile->skipping. */ -static int +static void do_endif (pfile) cpp_reader *pfile; { @@ -1138,7 +1119,6 @@ do_endif (pfile) pfile->potential_control_macro = ifs->cmacro; obstack_free (pfile->buffer_ob, ifs); } - return 0; } @@ -1332,7 +1312,7 @@ _cpp_find_answer (node, candidate) #define WARNING(msgid) do { cpp_warning(pfile, msgid); goto error; } while (0) #define ERROR(msgid) do { cpp_error(pfile, msgid); goto error; } while (0) #define ICE(msgid) do { cpp_ice(pfile, msgid); goto error; } while (0) -static int +static void do_assert (pfile) cpp_reader *pfile; { @@ -1355,16 +1335,15 @@ do_assert (pfile) node->type = T_ASSERTION; node->value.answers = new_answer; } - return 0; + return; err: cpp_warning (pfile, "\"%.*s\" re-asserted", node->length - 1, node->name + 1); FREE_ANSWER (new_answer); - return 0; } -static int +static void do_unassert (pfile) cpp_reader *pfile; { @@ -1404,7 +1383,6 @@ do_unassert (pfile) if (answer) FREE_ANSWER (answer); } - return 0; } /* These are for -D, -U, -A. */ |