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* src/parse-simulation.c: here.
This commit is contained in:
Akim Demaille
2020-07-28 19:49:00 +02:00
parent 07a1243b40
commit 205d372c68
1 changed files with 11 additions and 15 deletions
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26
src/parse-simulation.c
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@@ -30,17 +30,17 @@
typedef struct parse_state
{
// path of state-items the parser has traversed
// Path of state-items the parser has traversed.
struct si_chunk
{
// elements newly added in this chunk
// Elements newly added in this chunk.
state_item_list contents;
// properties of the linked list this chunk represents
// Properties of the linked list this chunk represents.
const state_item *head_elt;
const state_item *tail_elt;
size_t total_size;
} state_items;
// list of derivations of the symbols
// List of derivations of the symbols.
struct deriv_chunk
{
derivation_list contents;
@@ -50,16 +50,13 @@ typedef struct parse_state
} derivs;
struct parse_state *parent;
int reference_count;
// incremented during productions,
// decremented during reductions
// Incremented during productions, decremented during reductions.
int depth;
// whether the contents of the chunks should be
// prepended or appended to the list the chunks
// represent
// Whether the contents of the chunks should be prepended or
// appended to the list the chunks represent.
bool prepend;
// causes chunk contents to be freed when the
// reference count is one. Used when only the chunk metadata
// will be needed.
// Causes chunk contents to be freed when the reference count is
// one. Used when only the chunk metadata will be needed.
bool free_contents_early;
} parse_state;
@@ -438,9 +435,8 @@ simulate_transition (parse_state *ps)
// symbols into account.
parse_state_list result = parse_state_list_new ();
state_item_number si_next = si->trans;
// check for disabled transition, shouldn't happen
// as any state_items that lead to these should be
// disabled.
// Check for disabled transition, shouldn't happen as any
// state_items that lead to these should be disabled.
if (si_next < 0)
return result;
parse_state *next_ps = copy_parse_state (false, ps);