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style: comment changes and refactoring in state.c

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* src/state.h, src/state.c: Comment changes.
(transitions_to): Take a state* as argument.
* src/lalr.h, src/lalr.c: Comment changes.
(initialize_F): Use clear variable names.
This commit is contained in:
Akim Demaille
2019-01-31 06:31:14 +01:00
parent eed9550993
commit 40b5f89ee0
4 changed files with 21 additions and 27 deletions
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16
src/lalr.c
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@@ -153,8 +153,8 @@ initialize_F (void)
for (goto_number i = 0; i < ngotos; ++i)
{
state_number stateno = to_state[i];
const transitions *sp = states[stateno]->transitions;
state_number dst = to_state[i];
const transitions *sp = states[dst]->transitions;
int j;
FOR_EACH_SHIFT (sp, j)
@@ -164,7 +164,7 @@ initialize_F (void)
{
symbol_number sym = TRANSITION_SYMBOL (sp, j);
if (nullable[sym - ntokens])
edge[nedges++] = map_goto (stateno, sym);
edge[nedges++] = map_goto (dst, sym);
}
if (nedges == 0)
@@ -215,15 +215,15 @@ build_relations (void)
for (rule **rulep = derives[symbol1 - ntokens]; *rulep; rulep++)
{
int length = 1;
item_number const *rp;
state *s = states[from_state[i]];
states1[0] = s->number;
for (rp = (*rulep)->rhs; ! item_number_is_rule_number (*rp); rp++)
int length = 1;
item_number const *rp;
for (rp = (*rulep)->rhs; 0 <= *rp; rp++)
{
s = transitions_to (s->transitions,
item_number_as_symbol_number (*rp));
symbol_number sym = item_number_as_symbol_number (*rp);
s = transitions_to (s, sym);
states1[length++] = s->number;
}