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cex: minor style changes

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* src/counterexample.h, src/derivation.h, src/derivation.c:
More comments.
Use `out` for FILE*, as elsewhere.
This commit is contained in:
Akim Demaille
2020-07-12 13:13:22 +02:00
parent d8c2af56c1
commit 1e12219775
3 changed files with 34 additions and 25 deletions
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46
src/derivation.c
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@@ -29,7 +29,7 @@
struct derivation
{
symbol_number sym;
gl_list_t children;
derivation_list children;
int reference_count;
};
@@ -129,7 +129,7 @@ derivation_size (const derivation *deriv)
/* Print DERIV, colored according to COUNTER.
Return false if nothing is printed. */
static bool
derivation_print_impl (const derivation *deriv, FILE *f,
derivation_print_impl (const derivation *deriv, FILE *out,
bool leaves_only,
int *counter, const char *prefix)
{
@@ -139,16 +139,16 @@ derivation_print_impl (const derivation *deriv, FILE *f,
char style[20];
snprintf (style, 20, "cex-%d", *counter);
++*counter;
begin_use_class (style, f);
begin_use_class (style, out);
if (!leaves_only)
{
fputs (prefix, f);
begin_use_class ("cex-step", f);
fprintf (f, "%s ", sym->tag);
print_arrow (f);
fprintf (f, " [ ");
end_use_class ("cex-step", f);
fputs (prefix, out);
begin_use_class ("cex-step", out);
fprintf (out, "%s ", sym->tag);
print_arrow (out);
fprintf (out, " [ ");
end_use_class ("cex-step", out);
prefix = "";
}
bool res = false;
@@ -157,7 +157,7 @@ derivation_print_impl (const derivation *deriv, FILE *f,
derivation_list_next (&it, &child);
)
{
if (derivation_print_impl (child, f, leaves_only, counter, prefix))
if (derivation_print_impl (child, out, leaves_only, counter, prefix))
{
prefix = " ";
res = true;
@@ -167,30 +167,30 @@ derivation_print_impl (const derivation *deriv, FILE *f,
}
if (!leaves_only)
{
begin_use_class ("cex-step", f);
begin_use_class ("cex-step", out);
if (res)
fputs (" ]", f);
fputs (" ]", out);
else
fputs ("]", f);
end_use_class ("cex-step", f);
fputs ("]", out);
end_use_class ("cex-step", out);
}
end_use_class (style, f);
end_use_class (style, out);
return res;
}
else if (deriv == &d_dot)
{
fputs (prefix, f);
begin_use_class ("cex-dot", f);
print_dot (f);
end_use_class ("cex-dot", f);
fputs (prefix, out);
begin_use_class ("cex-dot", out);
print_dot (out);
end_use_class ("cex-dot", out);
}
else // leaf.
{
fputs (prefix, f);
fputs (prefix, out);
const symbol *sym = symbols[deriv->sym];
begin_use_class ("cex-leaf", f);
fprintf (f, "%s", sym->tag);
end_use_class ("cex-leaf", f);
begin_use_class ("cex-leaf", out);
fprintf (out, "%s", sym->tag);
end_use_class ("cex-leaf", out);
}
return true;
}