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