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Debug output for syntax trees

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This commit is contained in:
Yevgen Muntyan 2013-12-06 15:55:21 -08:00
parent e2bdb4b172
commit 10937c32d1
1 changed files with 63 additions and 0 deletions
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63
moo/gtksourceview/gtksourcecontextengine.c
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@ -35,6 +35,7 @@
#undef ENABLE_CHECK_TREE
#undef ENABLE_MEMORY_DEBUG /* define it to make it print memory usage information */
/* it won't work with GRegex */
#undef ENABLE_TREE_OUTPUT /* define it to make engine print syntax trees to stdout */
#ifdef ENABLE_DEBUG
#define DEBUG(x) (x)
@ -434,6 +435,9 @@ struct _GtkSourceContextEnginePrivate
#ifdef ENABLE_MEMORY_DEBUG
guint mem_usage_timeout;
#endif
#ifdef ENABLE_TREE_OUTPUT
guint tree_output_timeout;
#endif
};
@ -511,6 +515,9 @@ static void install_first_update (GtkSourceContextEngine *ce);
#ifdef ENABLE_MEMORY_DEBUG
static gboolean mem_usage_timeout (GtkSourceContextEngine *ce);
#endif
#ifdef ENABLE_TREE_OUTPUT
static gboolean tree_output_timeout (GtkSourceContextEngine *ce);
#endif
/* TAGS AND STUFF -------------------------------------------------------------- */
@ -2409,6 +2416,10 @@ gtk_source_context_engine_finalize (GObject *object)
if (ce->priv->mem_usage_timeout)
g_source_remove (ce->priv->mem_usage_timeout);
#endif
#ifdef ENABLE_TREE_OUTPUT
if (ce->priv->tree_output_timeout)
g_source_remove (ce->priv->tree_output_timeout);
#endif
g_assert (!ce->priv->tags);
g_assert (!ce->priv->root_context);
@ -2463,6 +2474,10 @@ _gtk_source_context_engine_new (GtkSourceContextData *ctx_data)
ce->priv->mem_usage_timeout =
g_timeout_add (5000, (GSourceFunc) mem_usage_timeout, ce);
#endif
#ifdef ENABLE_TREE_OUTPUT
ce->priv->tree_output_timeout =
g_timeout_add (5000, (GSourceFunc) tree_output_timeout, ce);
#endif
return ce;
}
@ -6795,3 +6810,51 @@ mem_usage_timeout (GtkSourceContextEngine *ce)
return TRUE;
}
#endif /* ENABLE_MEMORY_DEBUG */
#ifdef ENABLE_TREE_OUTPUT
static void
print_offset (int offset)
{
if (offset > 0)
{
char *fill = g_strnfill (offset, '-');
g_print ("%s ", fill);
g_free (fill);
}
}
static void
print_context (Context *ctx)
{
g_print ("<%s> <%s>", ctx->definition->id, ctx->style);
}
static void
print_segment (Segment *seg, int offset)
{
Segment *child;
if (!seg->context)
return;
print_offset (offset);
g_print ("[%d, %d) ", seg->start_at, seg->end_at);
print_context (seg->context);
g_print ("\n");
for (child = seg->children; child != NULL; child = child->next)
print_segment (child, offset + 1);
}
static gboolean
tree_output_timeout (GtkSourceContextEngine *ce)
{
g_print ("Highlighting tree for %p\n", (void*) ce);
print_segment (ce->priv->root_segment, 0);
g_print ("\n\n\n");
return TRUE;
}
#endif /* ENABLE_TREE_OUTPUT */