From 78cf46078e8de57c84807111938173afcb4bcf73 Mon Sep 17 00:00:00 2001
From: mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 14 Sep 2017 05:12:34 +0000
Subject: Add method coverage

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59888 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 compile.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'compile.c')

diff --git a/compile.c b/compile.c
index 0c317d4488..026eb3b18a 100644
--- a/compile.c
+++ b/compile.c
@@ -277,6 +277,19 @@ struct iseq_compile_data_ensure_node_stack {
 	  ADD_INSN2((seq), (line), trace2, INT2FIX(RUBY_EVENT_COVERAGE), INT2FIX(counter_idx * 16 + COVERAGE_INDEX_BRANCHES)); \
       } \
   } while (0)
+#define ADD_TRACE_METHOD_COVERAGE(seq, line, method_name) \
+  do { \
+      if (ISEQ_COVERAGE(iseq) && \
+	  ISEQ_METHOD_COVERAGE(iseq) && \
+	  (line) > 0) { \
+	  VALUE methods = ISEQ_METHOD_COVERAGE(iseq); \
+	  long counter_idx = RARRAY_LEN(methods) / 3; \
+	  rb_ary_push(methods, ID2SYM(method_name)); \
+	  rb_ary_push(methods, INT2FIX(line)); \
+	  rb_ary_push(methods, INT2FIX(0)); \
+	  ADD_INSN2((seq), (line), trace2, INT2FIX(RUBY_EVENT_COVERAGE), INT2FIX(counter_idx * 16 + COVERAGE_INDEX_METHODS)); \
+      } \
+  } while (0)
 
 #define ADD_TRACE(seq, line, event) \
   do { \
@@ -637,6 +650,7 @@ rb_iseq_compile_node(rb_iseq_t *iseq, NODE *node)
 	  case ISEQ_TYPE_METHOD:
 	    {
 		ADD_TRACE(ret, FIX2INT(iseq->body->location.first_lineno), RUBY_EVENT_CALL);
+		ADD_TRACE_METHOD_COVERAGE(ret, FIX2INT(iseq->body->location.first_lineno), rb_intern_str(iseq->body->location.label));
 		CHECK(COMPILE(ret, "scoped node", node->nd_body));
 		ADD_TRACE(ret, nd_line(node), RUBY_EVENT_RETURN);
 		break;
-- 
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