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Deemphasize extra trees in stack debugging graphs

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This commit is contained in:
Max Brunsfeld 2016-05-01 15:24:50 -07:00
parent 9ad1e36238
commit 9d247e45b2
2 changed files with 12 additions and 8 deletions
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18
src/runtime/stack.c
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@ -434,6 +434,7 @@ void ts_stack_clear(Stack *self) {
int ts_stack_print_dot_graph(Stack *self, const char **symbol_names, FILE *f) {
fprintf(f, "digraph stack {\n");
fprintf(f, "rankdir=\"RL\";\n");
fprintf(f, "edge [arrowhead=none]\n");
Array(StackNode *)visited_nodes;
array_init(&visited_nodes);
@ -442,10 +443,9 @@ int ts_stack_print_dot_graph(Stack *self, const char **symbol_names, FILE *f) {
for (size_t i = 0; i < self->heads.size; i++) {
StackNode *node = self->heads.contents[i];
fprintf(f, "node_head_%lu [shape=none, label=\"\"]\n", i);
fprintf(f,
"node_head_%lu -> node_%p [label=%lu, arrowhead=none, "
"fontcolor=blue, weight=10000]\n",
i, node, i);
fprintf(
f, "node_head_%lu -> node_%p [label=%lu, fontcolor=blue, weight=10000]\n",
i, node, i);
array_push(&self->pop_paths, ((PopPath){.node = node }));
}
@ -468,11 +468,13 @@ int ts_stack_print_dot_graph(Stack *self, const char **symbol_names, FILE *f) {
continue;
all_paths_done = false;
fprintf(f, "node_%p [label=", node);
fprintf(f, "node_%p [", node);
if (node->state == ts_parse_state_error)
fprintf(f, "\"?\"");
fprintf(f, "label=\"?\"");
else if (node->link_count == 1 && node->links[0].tree->extra)
fprintf(f, "shape=point margin=0 label=\"\"");
else
fprintf(f, "%d", node->state);
fprintf(f, "label=%d", node->state);
fprintf(f, "];\n");
for (int j = 0; j < node->link_count; j++) {
@ -480,6 +482,8 @@ int ts_stack_print_dot_graph(Stack *self, const char **symbol_names, FILE *f) {
fprintf(f, "node_%p -> node_%p [", node, link.node);
if (link.is_pending)
fprintf(f, "style=dashed ");
if (link.tree->extra)
fprintf(f, "fontcolor=gray ");
fprintf(f, "label=\"");
if (link.tree->symbol == ts_builtin_sym_error) {