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-rw-r--r--ast.c14
-rw-r--r--test/ruby/test_ast.rb21
2 files changed, 31 insertions, 4 deletions
diff --git a/ast.c b/ast.c
index 1f0fde4bb1..d295ff9157 100644
--- a/ast.c
+++ b/ast.c
@@ -58,10 +58,13 @@ rb_ast_s_parse(VALUE module, VALUE str)
const VALUE parser = rb_parser_new();
str = rb_check_string_type(str);
- rb_parser_set_context(parser, NULL, 1);
+ rb_parser_set_context(parser, NULL, 0);
ast = rb_parser_compile_string_path(parser, rb_str_new_cstr("no file name"), str, 1);
- if (!ast->body.root) return Qnil;
+ if (!ast->body.root) {
+ rb_ast_dispose(ast);
+ rb_exc_raise(GET_EC()->errinfo);
+ }
obj = ast_new_internal(ast, (NODE *)ast->body.root);
@@ -80,12 +83,15 @@ rb_ast_s_parse_file(VALUE module, VALUE path)
FilePathValue(path);
f = rb_file_open_str(path, "r");
rb_funcall(f, rb_intern("set_encoding"), 2, rb_enc_from_encoding(enc), rb_str_new_cstr("-"));
- rb_parser_set_context(parser, NULL, 1);
+ rb_parser_set_context(parser, NULL, 0);
ast = rb_parser_compile_file_path(parser, path, f, 1);
rb_io_close(f);
- if (!ast->body.root) return Qnil;
+ if (!ast->body.root) {
+ rb_ast_dispose(ast);
+ rb_exc_raise(GET_EC()->errinfo);
+ }
obj = ast_new_internal(ast, (NODE *)ast->body.root);
diff --git a/test/ruby/test_ast.rb b/test/ruby/test_ast.rb
index 5a9bded19b..4696472965 100644
--- a/test/ruby/test_ast.rb
+++ b/test/ruby/test_ast.rb
@@ -150,4 +150,25 @@ class TestAst < Test::Unit::TestCase
assert_equal(0, node.first_column)
assert_equal(5, node.last_column)
end
+
+ def test_parse_raises_syntax_error
+ assert_raise(SyntaxError) { RubyVM::AST.parse("end") }
+ end
+
+ def test_parse_file_raises_syntax_error
+ Tempfile.create(%w"test_ast .rb") do |f|
+ f.puts "end"
+ f.close
+ path = f.path
+ assert_in_out_err(%W[- #{path}], "#{<<-"begin;"}\n#{<<-"end;"}", /keyword_end/, [], success: true)
+ begin;
+ path = ARGV[0]
+ begin
+ RubyVM::AST.parse_file(path)
+ rescue SyntaxError => e
+ puts e.message
+ end
+ end;
+ end
+ end
end