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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [opts.h] - Rev 304
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/* Command line option handling. Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ #ifndef GCC_OPTS_H #define GCC_OPTS_H /* Specifies how a switch's VAR_VALUE relates to its FLAG_VAR. */ enum cl_var_type { /* The switch is enabled when FLAG_VAR is nonzero. */ CLVC_BOOLEAN, /* The switch is enabled when FLAG_VAR == VAR_VALUE. */ CLVC_EQUAL, /* The switch is enabled when VAR_VALUE is not set in FLAG_VAR. */ CLVC_BIT_CLEAR, /* The switch is enabled when VAR_VALUE is set in FLAG_VAR. */ CLVC_BIT_SET, /* The switch takes a string argument and FLAG_VAR points to that argument. */ CLVC_STRING }; struct cl_option { const char *opt_text; const char *help; unsigned short back_chain; unsigned char opt_len; int neg_index; unsigned int flags; void *flag_var; enum cl_var_type var_type; int var_value; }; /* Records that the state of an option consists of SIZE bytes starting at DATA. DATA might point to CH in some cases. */ struct cl_option_state { const void *data; size_t size; char ch; }; extern const struct cl_option cl_options[]; extern const unsigned int cl_options_count; extern const char *const lang_names[]; extern bool no_unit_at_a_time_default; #define CL_DISABLED (1 << 21) /* Disabled in this configuration. */ #define CL_TARGET (1 << 22) /* Target-specific option. */ #define CL_REPORT (1 << 23) /* Report argument with -fverbose-asm */ #define CL_JOINED (1 << 24) /* If takes joined argument. */ #define CL_SEPARATE (1 << 25) /* If takes a separate argument. */ #define CL_REJECT_NEGATIVE (1 << 26) /* Reject no- form. */ #define CL_MISSING_OK (1 << 27) /* Missing argument OK (joined). */ #define CL_UINTEGER (1 << 28) /* Argument is an integer >=0. */ #define CL_COMMON (1 << 29) /* Language-independent. */ #define CL_UNDOCUMENTED (1 << 30) /* Do not output with --help. */ /* Input file names. */ extern const char **in_fnames; /* The count of input filenames. */ extern unsigned num_in_fnames; size_t find_opt (const char *input, int lang_mask); extern void prune_options (int *argcp, char ***argvp); extern void decode_options (unsigned int argc, const char **argv); extern int option_enabled (int opt_idx); extern bool get_option_state (int, struct cl_option_state *); #endif
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