comparison gcc/opt-functions.awk @ 16:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents f6334be47118
children 84e7813d76e9
comparison
equal deleted inserted replaced
15:561a7518be6b 16:04ced10e8804
1 # Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010 1 # Copyright (C) 2003-2017 Free Software Foundation, Inc.
2 # Free Software Foundation, Inc.
3 # Contributed by Kelley Cook, June 2004. 2 # Contributed by Kelley Cook, June 2004.
4 # Original code from Neil Booth, May 2003. 3 # Original code from Neil Booth, May 2003.
5 # 4 #
6 # This program is free software; you can redistribute it and/or modify it 5 # This program is free software; you can redistribute it and/or modify it
7 # under the terms of the GNU General Public License as published by the 6 # under the terms of the GNU General Public License as published by the
28 } 27 }
29 28
30 # Return nonzero if FLAGS contains a flag matching REGEX. 29 # Return nonzero if FLAGS contains a flag matching REGEX.
31 function flag_set_p(regex, flags) 30 function flag_set_p(regex, flags)
32 { 31 {
33 return (" " flags " ") ~ (" " regex " ") 32 # Ignore the arguments of flags with arguments.
33 gsub ("\\([^)]+\\)", "", flags);
34 return (" " flags " ") ~ (" " regex " ")
34 } 35 }
35 36
36 # Return STRING if FLAGS contains a flag matching regexp REGEX, 37 # Return STRING if FLAGS contains a flag matching regexp REGEX,
37 # otherwise return the empty string. 38 # otherwise return the empty string.
38 function test_flag(regex, flags, string) 39 function test_flag(regex, flags, string)
39 { 40 {
40 if (flag_set_p(regex, flags)) 41 if (flag_set_p(regex, flags))
41 return string 42 return string
42 return "" 43 return ""
44 }
45
46 # Return a field initializer, with trailing comma, for a field that is
47 # 1 if FLAGS contains a flag matching REGEX and 0 otherwise.
48 function flag_init(regex, flags)
49 {
50 if (flag_set_p(regex, flags))
51 return "1 /* " regex " */, "
52 else
53 return "0, "
43 } 54 }
44 55
45 # If FLAGS contains a "NAME(...argument...)" flag, return the value 56 # If FLAGS contains a "NAME(...argument...)" flag, return the value
46 # of the argument. Return the empty string otherwise. 57 # of the argument. Return the empty string otherwise.
47 function opt_args(name, flags) 58 function opt_args(name, flags)
48 { 59 {
49 flags = " " flags 60 flags = " " flags
50 if (flags !~ " " name "\\(") 61 if (flags !~ " " name "\\(")
51 return "" 62 return ""
52 sub(".* " name "\\(", "", flags) 63 sub(".* " name "\\(", "", flags)
53 if (flags ~ "^{") 64 if (flags ~ "^[{]")
54 { 65 {
55 sub ("^{", "", flags) 66 sub ("^[{]", "", flags)
56 sub("}\\).*", "", flags) 67 sub ("}\\).*", "", flags)
57 } 68 }
58 else 69 else
59 sub("\\).*", "", flags) 70 sub("\\).*", "", flags)
60 71
61 return flags 72 return flags
84 result = result test_flag(regex, flags, " | " macros[j]) 95 result = result test_flag(regex, flags, " | " macros[j])
85 } 96 }
86 result = result \ 97 result = result \
87 test_flag("Common", flags, " | CL_COMMON") \ 98 test_flag("Common", flags, " | CL_COMMON") \
88 test_flag("Target", flags, " | CL_TARGET") \ 99 test_flag("Target", flags, " | CL_TARGET") \
100 test_flag("PchIgnore", flags, " | CL_PCH_IGNORE") \
89 test_flag("Driver", flags, " | CL_DRIVER") \ 101 test_flag("Driver", flags, " | CL_DRIVER") \
90 test_flag("RejectDriver", flags, " | CL_REJECT_DRIVER") \
91 test_flag("NoDriverArg", flags, " | CL_NO_DRIVER_ARG") \
92 test_flag("SeparateAlias", flags, " | CL_SEPARATE_ALIAS") \
93 test_flag("Save", flags, " | CL_SAVE") \
94 test_flag("Joined", flags, " | CL_JOINED") \ 102 test_flag("Joined", flags, " | CL_JOINED") \
95 test_flag("JoinedOrMissing", flags, " | CL_JOINED | CL_MISSING_OK") \ 103 test_flag("JoinedOrMissing", flags, " | CL_JOINED") \
96 test_flag("Separate", flags, " | CL_SEPARATE") \ 104 test_flag("Separate", flags, " | CL_SEPARATE") \
97 test_flag("RejectNegative", flags, " | CL_REJECT_NEGATIVE") \
98 test_flag("UInteger", flags, " | CL_UINTEGER") \
99 test_flag("Undocumented", flags, " | CL_UNDOCUMENTED") \ 105 test_flag("Undocumented", flags, " | CL_UNDOCUMENTED") \
106 test_flag("NoDWARFRecord", flags, " | CL_NO_DWARF_RECORD") \
100 test_flag("Warning", flags, " | CL_WARNING") \ 107 test_flag("Warning", flags, " | CL_WARNING") \
101 test_flag("Optimization", flags, " | CL_OPTIMIZATION") \ 108 test_flag("(Optimization|PerFunction)", flags, " | CL_OPTIMIZATION")
102 test_flag("Report", flags, " | CL_REPORT") 109 sub( "^0 \\| ", "", result )
110 return result
111 }
112
113 # Return bit-field initializers for option flags FLAGS.
114 function switch_bit_fields (flags)
115 {
116 vn = var_name(flags);
117 if (host_wide_int[vn] == "yes")
118 hwi = "Host_Wide_Int"
119 else
120 hwi = ""
121 result = ""
103 sep_args = opt_args("Args", flags) 122 sep_args = opt_args("Args", flags)
104 if (sep_args != "") { 123 if (sep_args == "")
124 sep_args = 0
125 else
105 sep_args-- 126 sep_args--
106 result = result " | (" sep_args \ 127 result = result sep_args ", "
107 " << CL_SEPARATE_NARGS_SHIFT)" 128
108 } 129 result = result \
109 sub( "^0 \\| ", "", result ) 130 flag_init("SeparateAlias", flags) \
131 flag_init("NegativeAlias", flags) \
132 flag_init("NoDriverArg", flags) \
133 flag_init("RejectDriver", flags) \
134 flag_init("RejectNegative", flags) \
135 flag_init("JoinedOrMissing", flags) \
136 flag_init("UInteger", flags) \
137 flag_init("Host_Wide_Int", hwi) \
138 flag_init("ToLower", flags) \
139 flag_init("Report", flags)
140
141 sub(", $", "", result)
110 return result 142 return result
111 } 143 }
112 144
113 # If FLAGS includes a Var flag, return the name of the variable it specifies. 145 # If FLAGS includes a Var flag, return the name of the variable it specifies.
114 # Return the empty string otherwise. 146 # Return the empty string otherwise.
115 function var_name(flags) 147 function var_name(flags)
116 { 148 {
117 return nth_arg(0, opt_args("Var", flags)) 149 return nth_arg(0, opt_args("Var", flags))
150 }
151
152 # Return the name of the variable if FLAGS has a HOST_WIDE_INT variable.
153 # Return the empty string otherwise.
154 function host_wide_int_var_name(flags)
155 {
156 split (flags, array, "[ \t]+")
157 if (array[1] == "HOST_WIDE_INT")
158 return array[2]
159 else
160 return ""
118 } 161 }
119 162
120 # Return true if the option described by FLAGS has a globally-visible state. 163 # Return true if the option described by FLAGS has a globally-visible state.
121 function global_state_p(flags) 164 function global_state_p(flags)
122 { 165 {
167 # type instead of int to save space. 210 # type instead of int to save space.
168 function var_type_struct(flags) 211 function var_type_struct(flags)
169 { 212 {
170 if (flag_set_p("UInteger", flags)) 213 if (flag_set_p("UInteger", flags))
171 return "int " 214 return "int "
215 else if (flag_set_p("Enum.*", flags)) {
216 en = opt_args("Enum", flags);
217 return enum_type[en] " "
218 }
172 else if (!flag_set_p("Joined.*", flags) && !flag_set_p("Separate", flags)) { 219 else if (!flag_set_p("Joined.*", flags) && !flag_set_p("Separate", flags)) {
173 if (flag_set_p(".*Mask.*", flags)) 220 if (flag_set_p(".*Mask.*", flags)) {
174 return "int " 221 if (host_wide_int[var_name(flags)] == "yes")
222 return "HOST_WIDE_INT "
223 else
224 return "int "
225 }
175 else 226 else
176 return "signed char " 227 return "signed char "
177 } 228 }
178 else 229 else
179 return "const char *" 230 return "const char *"
222 return "offsetof (struct gcc_options, x_" name ")" 273 return "offsetof (struct gcc_options, x_" name ")"
223 if (opt_args("Mask", flags) != "") 274 if (opt_args("Mask", flags) != "")
224 return "offsetof (struct gcc_options, x_target_flags)" 275 return "offsetof (struct gcc_options, x_target_flags)"
225 if (opt_args("InverseMask", flags) != "") 276 if (opt_args("InverseMask", flags) != "")
226 return "offsetof (struct gcc_options, x_target_flags)" 277 return "offsetof (struct gcc_options, x_target_flags)"
227 return "-1" 278 return "(unsigned short) -1"
228 } 279 }
229 280
230 # Given the option called NAME return a sanitized version of its name. 281 # Given the option called NAME return a sanitized version of its name.
231 function opt_sanitized_name(name) 282 function opt_sanitized_name(name)
232 { 283 {
237 # Given the option called NAME return the appropriate enum for it. 288 # Given the option called NAME return the appropriate enum for it.
238 function opt_enum(name) 289 function opt_enum(name)
239 { 290 {
240 return "OPT_" opt_sanitized_name(name) 291 return "OPT_" opt_sanitized_name(name)
241 } 292 }
293
294 # Given the language called NAME return a sanitized version of its name.
295 function lang_sanitized_name(name)
296 {
297 gsub( "[^" alnum "_]", "X", name )
298 return name
299 }
300
301 # Search for a valid var_name among all OPTS equal to option NAME.
302 # If not found, return "".
303 function search_var_name(name, opt_numbers, opts, flags, n_opts)
304 {
305 opt_var_name = var_name(flags[opt_numbers[name]]);
306 if (opt_var_name != "") {
307 return opt_var_name;
308 }
309 for (k = 0; k < n_opts; k++) {
310 if (opts[k] == name && var_name(flags[k]) != "") {
311 return var_name(flags[k]);
312 }
313 }
314 return ""
315 }
316
317 function integer_range_info(range_option, init, option)
318 {
319 if (range_option != "") {
320 start = nth_arg(0, range_option);
321 end = nth_arg(1, range_option);
322 if (init != "" && init != "-1" && (init < start || init > end))
323 print "#error initial value " init " of '" option "' must be in range [" start "," end "]"
324 return start ", " end
325 }
326 else
327 return "-1, -1"
328 }
329
330 # Handle LangEnabledBy(ENABLED_BY_LANGS, ENABLEDBY_NAME, ENABLEDBY_POSARG,
331 # ENABLEDBY_NEGARG). This function does not return anything.
332 function lang_enabled_by(enabledby_langs, enabledby_name, enabledby_posarg, enabledby_negarg)
333 {
334 n_enabledby_arg_langs = split(enabledby_langs, enabledby_arg_langs, " ");
335 if (enabledby_posarg != "" && enabledby_negarg != "") {
336 with_args = "," enabledby_posarg "," enabledby_negarg
337 } else if (enabledby_posarg == "" && enabledby_negarg == "") {
338 with_args = ""
339 } else {
340 print "#error " opts[i] " LangEnabledBy("enabledby_langs","enabledby_name", " \
341 enabledby_posarg", " enabledby_negargs \
342 ") with three arguments, it should have either 2 or 4"
343 }
344
345 n_enabledby_array = split(enabledby_name, enabledby_array, " \\|\\| ");
346 for (k = 1; k <= n_enabledby_array; k++) {
347 enabledby_index = opt_numbers[enabledby_array[k]];
348 if (enabledby_index == "") {
349 print "#error " opts[i] " LangEnabledBy("enabledby_langs","enabledby_name", " \
350 enabledby_posarg", " enabledby_negargs"), unknown option '" enabledby_name "'"
351 } else {
352 for (j = 1; j <= n_enabledby_arg_langs; j++) {
353 lang_name = lang_sanitized_name(enabledby_arg_langs[j]);
354 lang_index = lang_numbers[enabledby_arg_langs[j]];
355 if (enables[lang_name,enabledby_array[k]] == "") {
356 enabledby[lang_name,n_enabledby_lang[lang_index]] = enabledby_array[k];
357 n_enabledby_lang[lang_index]++;
358 }
359 enables[lang_name,enabledby_array[k]] \
360 = enables[lang_name,enabledby_array[k]] opts[i] with_args ";";
361 }
362 }
363 }
364 }