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-rw-r--r--web/server/h2o/libh2o/deps/mruby/src/debug.c217
1 files changed, 0 insertions, 217 deletions
diff --git a/web/server/h2o/libh2o/deps/mruby/src/debug.c b/web/server/h2o/libh2o/deps/mruby/src/debug.c
deleted file mode 100644
index e55f11d4f..000000000
--- a/web/server/h2o/libh2o/deps/mruby/src/debug.c
+++ /dev/null
@@ -1,217 +0,0 @@
-#include <string.h>
-#include <mruby.h>
-#include <mruby/irep.h>
-#include <mruby/debug.h>
-
-static mrb_irep_debug_info_file*
-get_file(mrb_irep_debug_info *info, uint32_t pc)
-{
- mrb_irep_debug_info_file **ret;
- int32_t count;
-
- if (pc >= info->pc_count) { return NULL; }
- /* get upper bound */
- ret = info->files;
- count = info->flen;
- while (count > 0) {
- int32_t step = count / 2;
- mrb_irep_debug_info_file **it = ret + step;
- if (!(pc < (*it)->start_pos)) {
- ret = it + 1;
- count -= step + 1;
- }
- else { count = step; }
- }
-
- --ret;
-
- /* check returning file exists inside debug info */
- mrb_assert(info->files <= ret && ret < (info->files + info->flen));
- /* check pc is within the range of returning file */
- mrb_assert((*ret)->start_pos <= pc &&
- pc < (((ret + 1 - info->files) < info->flen)
- ? (*(ret+1))->start_pos : info->pc_count));
-
- return *ret;
-}
-
-static mrb_debug_line_type
-select_line_type(const uint16_t *lines, size_t lines_len)
-{
- size_t line_count = 0;
- int prev_line = -1;
- size_t i;
- for (i = 0; i < lines_len; ++i) {
- if (lines[i] != prev_line) {
- ++line_count;
- }
- }
- return (sizeof(uint16_t) * lines_len) <= (sizeof(mrb_irep_debug_info_line) * line_count)
- ? mrb_debug_line_ary : mrb_debug_line_flat_map;
-}
-
-MRB_API char const*
-mrb_debug_get_filename(mrb_irep *irep, ptrdiff_t pc)
-{
- if (irep && pc >= 0 && pc < irep->ilen) {
- mrb_irep_debug_info_file* f = NULL;
- if (!irep->debug_info) { return irep->filename; }
- else if ((f = get_file(irep->debug_info, (uint32_t)pc))) {
- return f->filename;
- }
- }
- return NULL;
-}
-
-MRB_API int32_t
-mrb_debug_get_line(mrb_irep *irep, ptrdiff_t pc)
-{
- if (irep && pc >= 0 && pc < irep->ilen) {
- mrb_irep_debug_info_file* f = NULL;
- if (!irep->debug_info) {
- return irep->lines? irep->lines[pc] : -1;
- }
- else if ((f = get_file(irep->debug_info, (uint32_t)pc))) {
- switch (f->line_type) {
- case mrb_debug_line_ary:
- mrb_assert(f->start_pos <= pc && pc < (f->start_pos + f->line_entry_count));
- return f->lines.ary[pc - f->start_pos];
-
- case mrb_debug_line_flat_map: {
- /* get upper bound */
- mrb_irep_debug_info_line *ret = f->lines.flat_map;
- uint32_t count = f->line_entry_count;
- while (count > 0) {
- int32_t step = count / 2;
- mrb_irep_debug_info_line *it = ret + step;
- if (!(pc < it->start_pos)) {
- ret = it + 1;
- count -= step + 1;
- }
- else { count = step; }
- }
-
- --ret;
-
- /* check line entry pointer range */
- mrb_assert(f->lines.flat_map <= ret && ret < (f->lines.flat_map + f->line_entry_count));
- /* check pc range */
- mrb_assert(ret->start_pos <= pc &&
- pc < (((uint32_t)(ret + 1 - f->lines.flat_map) < f->line_entry_count)
- ? (ret+1)->start_pos : irep->debug_info->pc_count));
-
- return ret->line;
- }
- }
- }
- }
- return -1;
-}
-
-MRB_API mrb_irep_debug_info*
-mrb_debug_info_alloc(mrb_state *mrb, mrb_irep *irep)
-{
- static const mrb_irep_debug_info initial = { 0, 0, NULL };
- mrb_irep_debug_info *ret;
-
- mrb_assert(!irep->debug_info);
- ret = (mrb_irep_debug_info *)mrb_malloc(mrb, sizeof(*ret));
- *ret = initial;
- irep->debug_info = ret;
- return ret;
-}
-
-MRB_API mrb_irep_debug_info_file*
-mrb_debug_info_append_file(mrb_state *mrb, mrb_irep *irep,
- uint32_t start_pos, uint32_t end_pos)
-{
- mrb_irep_debug_info *info;
- mrb_irep_debug_info_file *ret;
- uint32_t file_pc_count;
- size_t fn_len;
- mrb_int len;
- uint32_t i;
-
- if (!irep->debug_info) { return NULL; }
-
- mrb_assert(irep->filename);
- mrb_assert(irep->lines);
-
- info = irep->debug_info;
-
- if (info->flen > 0 && strcmp(irep->filename, info->files[info->flen - 1]->filename) == 0) {
- return NULL;
- }
-
- ret = (mrb_irep_debug_info_file *)mrb_malloc(mrb, sizeof(*ret));
- info->files =
- (mrb_irep_debug_info_file**)(
- info->files
- ? mrb_realloc(mrb, info->files, sizeof(mrb_irep_debug_info_file*) * (info->flen + 1))
- : mrb_malloc(mrb, sizeof(mrb_irep_debug_info_file*)));
- info->files[info->flen++] = ret;
-
- file_pc_count = end_pos - start_pos;
-
- ret->start_pos = start_pos;
- info->pc_count = end_pos;
-
- fn_len = strlen(irep->filename);
- ret->filename_sym = mrb_intern(mrb, irep->filename, fn_len);
- len = 0;
- ret->filename = mrb_sym2name_len(mrb, ret->filename_sym, &len);
-
- ret->line_type = select_line_type(irep->lines + start_pos, end_pos - start_pos);
- ret->lines.ptr = NULL;
-
- switch (ret->line_type) {
- case mrb_debug_line_ary:
- ret->line_entry_count = file_pc_count;
- ret->lines.ary = (uint16_t*)mrb_malloc(mrb, sizeof(uint16_t) * file_pc_count);
- for (i = 0; i < file_pc_count; ++i) {
- ret->lines.ary[i] = irep->lines[start_pos + i];
- }
- break;
-
- case mrb_debug_line_flat_map: {
- uint16_t prev_line = 0;
- mrb_irep_debug_info_line m;
- ret->lines.flat_map = (mrb_irep_debug_info_line*)mrb_malloc(mrb, sizeof(mrb_irep_debug_info_line) * 1);
- ret->line_entry_count = 0;
- for (i = 0; i < file_pc_count; ++i) {
- if (irep->lines[start_pos + i] == prev_line) { continue; }
-
- ret->lines.flat_map = (mrb_irep_debug_info_line*)mrb_realloc(
- mrb, ret->lines.flat_map,
- sizeof(mrb_irep_debug_info_line) * (ret->line_entry_count + 1));
- m.start_pos = start_pos + i;
- m.line = irep->lines[start_pos + i];
- ret->lines.flat_map[ret->line_entry_count] = m;
-
- /* update */
- ++ret->line_entry_count;
- prev_line = irep->lines[start_pos + i];
- }
- } break;
-
- default: mrb_assert(0); break;
- }
-
- return ret;
-}
-
-MRB_API void
-mrb_debug_info_free(mrb_state *mrb, mrb_irep_debug_info *d)
-{
- uint32_t i;
-
- if (!d) { return; }
-
- for (i = 0; i < d->flen; ++i) {
- mrb_assert(d->files[i]);
- mrb_free(mrb, d->files[i]->lines.ptr);
- mrb_free(mrb, d->files[i]);
- }
- mrb_free(mrb, d->files);
- mrb_free(mrb, d);
-}
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