cat.c

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#include <assert.h>
#include <isl/obj.h>
#include <isl/printer.h>
#include <isl/stream.h>
#include <isl/options.h>
 
struct isl_arg_choice cat_format[] = {
  {"isl",   ISL_FORMAT_ISL},
  {"omega", ISL_FORMAT_OMEGA},
  {"polylib", ISL_FORMAT_POLYLIB},
  {"ext-polylib", ISL_FORMAT_EXT_POLYLIB},
  {"latex", ISL_FORMAT_LATEX},
  {"C",   ISL_FORMAT_C},
  {0}
};
 
struct isl_arg_choice cat_yaml_style[] = {
  { "block",  ISL_YAML_STYLE_BLOCK },
  { "flow", ISL_YAML_STYLE_FLOW },
  { 0 }
};
 
struct cat_options {
  struct isl_options  *isl;
  unsigned     format;
  unsigned     yaml_style;
};
 
ISL_ARGS_START(struct cat_options, cat_options_args)
ISL_ARG_CHILD(struct cat_options, isl, "isl", &isl_options_args, "isl options")
ISL_ARG_CHOICE(struct cat_options, format, 0, "format", \
  cat_format, ISL_FORMAT_ISL, "output format")
ISL_ARG_CHOICE(struct cat_options, yaml_style, 0, "yaml-style", \
  cat_yaml_style, ISL_YAML_STYLE_BLOCK, "output YAML style")
ISL_ARGS_END
 
ISL_ARG_DEF(cat_options, struct cat_options, cat_options_args)
 
int main(int argc, char **argv)
{
  struct isl_ctx *ctx;
  isl_stream *s;
  struct isl_obj obj;
  struct cat_options *options;
  isl_printer *p;
 
  options = cat_options_new_with_defaults();
  assert(options);
  argc = cat_options_parse(options, argc, argv, ISL_ARG_ALL);
 
  ctx = isl_ctx_alloc_with_options(&cat_options_args, options);
 
  s = isl_stream_new_file(ctx, stdin);
  obj = isl_stream_read_obj(s);
  isl_stream_free(s);
 
  p = isl_printer_to_file(ctx, stdout);
  p = isl_printer_set_output_format(p, options->format);
  p = isl_printer_set_yaml_style(p, options->yaml_style);
  p = obj.type->print(p, obj.v);
  p = isl_printer_end_line(p);
  isl_printer_free(p);
 
  obj.type->free(obj.v);
 
  isl_ctx_free(ctx);
 
  return 0;
}