text: /*
   * Copyright 2008-2009 Katholieke Universiteit Leuven
   *
   * Use of this software is governed by the MIT license
   *
   * Written by Sven Verdoolaege, K.U.Leuven, Departement
   * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
   */
  
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  
  #include <isl/ctx.h>
  #include <isl_options_private.h>
  #include <isl/ast_build.h>
  #include <isl/schedule.h>
  #include <isl/version.h>
  
  struct isl_arg_choice isl_pip_context_choice[] = {
  	{"gbr",		ISL_CONTEXT_GBR},
  	{"lexmin",	ISL_CONTEXT_LEXMIN},
  	{0}
  };
  
  struct isl_arg_choice isl_gbr_choice[] = {
  	{"never",	ISL_GBR_NEVER},
  	{"once",	ISL_GBR_ONCE},
  	{"always",	ISL_GBR_ALWAYS},
  	{0}
  };
  
  struct isl_arg_choice isl_closure_choice[] = {
  	{"isl",		ISL_CLOSURE_ISL},
  	{"box",		ISL_CLOSURE_BOX},
  	{0}
  };
  
  static struct isl_arg_choice bound[] = {
  	{"bernstein",	ISL_BOUND_BERNSTEIN},
  	{"range",	ISL_BOUND_RANGE},
  	{0}
  };
  
  static struct isl_arg_choice on_error[] = {
  	{"warn",	ISL_ON_ERROR_WARN},
  	{"continue",	ISL_ON_ERROR_CONTINUE},
  	{"abort",	ISL_ON_ERROR_ABORT},
  	{0}
  };
  
  static struct isl_arg_choice isl_schedule_algorithm_choice[] = {
  	{"isl",		ISL_SCHEDULE_ALGORITHM_ISL},
  	{"feautrier",   ISL_SCHEDULE_ALGORITHM_FEAUTRIER},
  	{0}
  };
  
  static struct isl_arg_flags bernstein_recurse[] = {
  	{"none",	ISL_BERNSTEIN_FACTORS | ISL_BERNSTEIN_INTERVALS, 0},
  	{"factors",	ISL_BERNSTEIN_FACTORS | ISL_BERNSTEIN_INTERVALS,
  			ISL_BERNSTEIN_FACTORS},
  	{"intervals",	ISL_BERNSTEIN_FACTORS | ISL_BERNSTEIN_INTERVALS,
  			ISL_BERNSTEIN_INTERVALS},
  	{"full",	ISL_BERNSTEIN_FACTORS | ISL_BERNSTEIN_INTERVALS,
  			ISL_BERNSTEIN_FACTORS | ISL_BERNSTEIN_INTERVALS},
  	{0}
  };
  
  static struct isl_arg_choice convex[] = {
  	{"wrap",	ISL_CONVEX_HULL_WRAP},
  	{"fm",		ISL_CONVEX_HULL_FM},
  	{0}
  };
  
  #define		ISL_SCHEDULE_FUSE_MAX			0
  #define		ISL_SCHEDULE_FUSE_MIN			1
  
  static struct isl_arg_choice fuse[] = {
  	{"max",		ISL_SCHEDULE_FUSE_MAX},
  	{"min",		ISL_SCHEDULE_FUSE_MIN},
  	{0}
  };
  
  /* Callback for setting the "schedule-fuse" option.
   * This (now hidden) option tries to mimic an option that was
   * replaced by the schedule-serialize-sccs option.
   * Setting the old option to ISL_SCHEDULE_FUSE_MIN is now
   * expressed by turning on the schedule-serialize-sccs option.
   */
  static int set_fuse(void *opt, unsigned val)
  {
  	struct isl_options *options = opt;
  
  	options->schedule_serialize_sccs = (val == ISL_SCHEDULE_FUSE_MIN);
  
  	return 0;
  }
  
  static struct isl_arg_choice separation_bounds[] = {
  	{"explicit",	ISL_AST_BUILD_SEPARATION_BOUNDS_EXPLICIT},
  	{"implicit",	ISL_AST_BUILD_SEPARATION_BOUNDS_IMPLICIT},
  	{0}
  };
  
  static void print_version(void)
  {
  	printf("%s", isl_version());
  }
  
  ISL_ARGS_START(struct isl_options, isl_options_args)
  ISL_ARG_CHOICE(struct isl_options, context, 0, "context", \
  	isl_pip_context_choice,	ISL_CONTEXT_GBR,
  	"how to handle the pip context tableau")
  ISL_ARG_CHOICE(struct isl_options, gbr, 0, "gbr", \
  	isl_gbr_choice,	ISL_GBR_ALWAYS,
  	"how often to use generalized basis reduction")
  ISL_ARG_CHOICE(struct isl_options, closure, 0, "closure", \
  	isl_closure_choice,	ISL_CLOSURE_ISL,
  	"closure operation to use")
  ISL_ARG_BOOL(struct isl_options, gbr_only_first, 0, "gbr-only-first", 0,
  	"only perform basis reduction in first direction")
  ISL_ARG_CHOICE(struct isl_options, bound, 0, "bound", bound,
  	ISL_BOUND_BERNSTEIN, "algorithm to use for computing bounds")
  ISL_ARG_CHOICE(struct isl_options, on_error, 0, "on-error", on_error,
  	ISL_ON_ERROR_WARN, "how to react if an error is detected")
  ISL_ARG_FLAGS(struct isl_options, bernstein_recurse, 0,
  	"bernstein-recurse", bernstein_recurse, ISL_BERNSTEIN_FACTORS, NULL)
  ISL_ARG_BOOL(struct isl_options, bernstein_triangulate, 0,
  	"bernstein-triangulate", 1,
  	"triangulate domains during Bernstein expansion")
  ISL_ARG_BOOL(struct isl_options, pip_symmetry, 0, "pip-symmetry", 1,
  	"detect simple symmetries in PIP input")
  ISL_ARG_CHOICE(struct isl_options, convex, 0, "convex-hull", \
  	convex,	ISL_CONVEX_HULL_WRAP, "convex hull algorithm to use")
  ISL_ARG_BOOL(struct isl_options, coalesce_bounded_wrapping, 0,
  	"coalesce-bounded-wrapping", 1, "bound wrapping during coalescing")
  ISL_ARG_INT(struct isl_options, schedule_max_coefficient, 0,
  	"schedule-max-coefficient", "limit", -1, "Only consider schedules "
  	"where the coefficients of the variable and parameter dimensions "
          "do not exceed <limit>. A value of -1 allows arbitrary coefficients.")
  ISL_ARG_INT(struct isl_options, schedule_max_constant_term, 0,
  	"schedule-max-constant-term", "limit", -1, "Only consider schedules "
  	"where the coefficients of the constant dimension do not exceed "
  	"<limit>. A value of -1 allows arbitrary coefficients.")
  ISL_ARG_BOOL(struct isl_options, schedule_parametric, 0,
  	"schedule-parametric", 1, "construct possibly parametric schedules")
  ISL_ARG_BOOL(struct isl_options, schedule_outer_coincidence, 0,
  	"schedule-outer-coincidence", 0,
  	"try to construct schedules where the outer member of each band "
  	"satisfies the coincidence constraints")
  ISL_ARG_BOOL(struct isl_options, schedule_maximize_band_depth, 0,
  	"schedule-maximize-band-depth", 0,
  	"maximize the number of scheduling dimensions in a band")
  ISL_ARG_BOOL(struct isl_options, schedule_split_scaled, 0,
  	"schedule-split-scaled", 1,
  	"split non-tilable bands with scaled schedules")
  ISL_ARG_BOOL(struct isl_options, schedule_separate_components, 0,
  	"schedule-separate-components", 1,
  	"separate components in dependence graph")
  ISL_ARG_CHOICE(struct isl_options, schedule_algorithm, 0,
  	"schedule-algorithm", isl_schedule_algorithm_choice,
  	ISL_SCHEDULE_ALGORITHM_ISL, "scheduling algorithm to use")
  ISL_ARG_BOOL(struct isl_options, schedule_serialize_sccs, 0,
  	"schedule-serialize-sccs", 0,
  	"serialize strongly connected components in dependence graph")
  ISL_ARG_PHANTOM_USER_CHOICE_F(0, "schedule-fuse", fuse, &set_fuse,
  	ISL_SCHEDULE_FUSE_MAX, "level of fusion during scheduling",
  	ISL_ARG_HIDDEN)
  ISL_ARG_BOOL(struct isl_options, tile_scale_tile_loops, 0,
  	"tile-scale-tile-loops", 1, "scale tile loops")
  ISL_ARG_BOOL(struct isl_options, tile_shift_point_loops, 0,
  	"tile-shift-point-loops", 1, "shift point loops to start at zero")
  ISL_ARG_STR(struct isl_options, ast_iterator_type, 0,
  	"ast-iterator-type", "type", "int",
  	"type used for iterators during printing of AST")
  ISL_ARG_BOOL(struct isl_options, ast_always_print_block, 0,
  	"ast-always-print-block", 0, "print for and if bodies as a block "
  	"regardless of the number of statements in the body")
  ISL_ARG_BOOL(struct isl_options, ast_build_atomic_upper_bound, 0,
  	"ast-build-atomic-upper-bound", 1, "generate atomic upper bounds")
  ISL_ARG_BOOL(struct isl_options, ast_build_prefer_pdiv, 0,
  	"ast-build-prefer-pdiv", 1, "prefer pdiv operation over fdiv")
  ISL_ARG_BOOL(struct isl_options, ast_build_exploit_nested_bounds, 0,
  	"ast-build-exploit-nested-bounds", 1,
  	"simplify conditions based on bounds of nested for loops")
  ISL_ARG_BOOL(struct isl_options, ast_build_group_coscheduled, 0,
  	"ast-build-group-coscheduled", 0,
  	"keep coscheduled domain elements together")
  ISL_ARG_CHOICE(struct isl_options, ast_build_separation_bounds, 0,
  	"ast-build-separation-bounds", separation_bounds,
  	ISL_AST_BUILD_SEPARATION_BOUNDS_EXPLICIT,
  	"bounds to use during separation")
  ISL_ARG_BOOL(struct isl_options, ast_build_scale_strides, 0,
  	"ast-build-scale-strides", 1,
  	"allow iterators of strided loops to be scaled down")
  ISL_ARG_BOOL(struct isl_options, ast_build_allow_else, 0,
  	"ast-build-allow-else", 1, "generate if statements with else branches")
  ISL_ARG_BOOL(struct isl_options, ast_build_allow_or, 0,
  	"ast-build-allow-or", 1, "generate if conditions with disjunctions")
  ISL_ARG_BOOL(struct isl_options, print_stats, 0, "print-stats", 0,
  	"print statistics for every isl_ctx")
  ISL_ARG_ULONG(struct isl_options, max_operations, 0,
  	"max-operations", 0, "default number of maximal operations per isl_ctx")
  ISL_ARG_VERSION(print_version)
  ISL_ARGS_END
  
  ISL_ARG_DEF(isl_options, struct isl_options, isl_options_args)
  
  ISL_ARG_CTX_DEF(isl_options, struct isl_options, isl_options_args)
  
  ISL_CTX_SET_CHOICE_DEF(isl_options, struct isl_options, isl_options_args, bound)
  ISL_CTX_GET_CHOICE_DEF(isl_options, struct isl_options, isl_options_args, bound)
  
  ISL_CTX_SET_CHOICE_DEF(isl_options, struct isl_options, isl_options_args,
  	on_error)
  ISL_CTX_GET_CHOICE_DEF(isl_options, struct isl_options, isl_options_args,
  	on_error)
  
  ISL_CTX_SET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	coalesce_bounded_wrapping)
  ISL_CTX_GET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	coalesce_bounded_wrapping)
  
  ISL_CTX_SET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	gbr_only_first)
  ISL_CTX_GET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	gbr_only_first)
  
  ISL_CTX_SET_INT_DEF(isl_options, struct isl_options, isl_options_args,
  	schedule_max_coefficient)
  ISL_CTX_GET_INT_DEF(isl_options, struct isl_options, isl_options_args,
  	schedule_max_coefficient)
  
  ISL_CTX_SET_INT_DEF(isl_options, struct isl_options, isl_options_args,
  	schedule_max_constant_term)
  ISL_CTX_GET_INT_DEF(isl_options, struct isl_options, isl_options_args,
  	schedule_max_constant_term)
  
  ISL_CTX_SET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	schedule_maximize_band_depth)
  ISL_CTX_GET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	schedule_maximize_band_depth)
  
  ISL_CTX_SET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	schedule_split_scaled)
  ISL_CTX_GET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	schedule_split_scaled)
  
  ISL_CTX_SET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	schedule_separate_components)
  ISL_CTX_GET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	schedule_separate_components)
  
  ISL_CTX_SET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	schedule_outer_coincidence)
  ISL_CTX_GET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	schedule_outer_coincidence)
  
  ISL_CTX_SET_CHOICE_DEF(isl_options, struct isl_options, isl_options_args,
  	schedule_algorithm)
  ISL_CTX_GET_CHOICE_DEF(isl_options, struct isl_options, isl_options_args,
  	schedule_algorithm)
  
  ISL_CTX_SET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	schedule_serialize_sccs)
  ISL_CTX_GET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	schedule_serialize_sccs)
  
  ISL_CTX_SET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	tile_scale_tile_loops)
  ISL_CTX_GET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	tile_scale_tile_loops)
  
  ISL_CTX_SET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	tile_shift_point_loops)
  ISL_CTX_GET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	tile_shift_point_loops)
  
  ISL_CTX_SET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_build_atomic_upper_bound)
  ISL_CTX_GET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_build_atomic_upper_bound)
  
  ISL_CTX_SET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_build_prefer_pdiv)
  ISL_CTX_GET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_build_prefer_pdiv)
  
  ISL_CTX_SET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_build_exploit_nested_bounds)
  ISL_CTX_GET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_build_exploit_nested_bounds)
  
  ISL_CTX_SET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_build_group_coscheduled)
  ISL_CTX_GET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_build_group_coscheduled)
  
  ISL_CTX_SET_STR_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_iterator_type)
  ISL_CTX_GET_STR_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_iterator_type)
  
  ISL_CTX_SET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_always_print_block)
  ISL_CTX_GET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_always_print_block)
  
  ISL_CTX_SET_CHOICE_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_build_separation_bounds)
  ISL_CTX_GET_CHOICE_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_build_separation_bounds)
  
  ISL_CTX_SET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_build_scale_strides)
  ISL_CTX_GET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_build_scale_strides)
  
  ISL_CTX_SET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_build_allow_else)
  ISL_CTX_GET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_build_allow_else)
  
  ISL_CTX_SET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_build_allow_or)
  ISL_CTX_GET_BOOL_DEF(isl_options, struct isl_options, isl_options_args,
  	ast_build_allow_or)
  