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-rw-r--r--prism/prism.c25
-rw-r--r--test/prism/errors_test.rb92
2 files changed, 109 insertions, 8 deletions
diff --git a/prism/prism.c b/prism/prism.c
index 2d03307bf8..132cf3a97d 100644
--- a/prism/prism.c
+++ b/prism/prism.c
@@ -990,6 +990,8 @@ pm_alternation_pattern_node_create(pm_parser_t *parser, pm_node_t *left, pm_node
*/
static pm_and_node_t *
pm_and_node_create(pm_parser_t *parser, pm_node_t *left, const pm_token_t *operator, pm_node_t *right) {
+ pm_assert_value_expression(parser, left);
+
pm_and_node_t *node = PM_ALLOC_NODE(parser, pm_and_node_t);
*node = (pm_and_node_t) {
@@ -1584,6 +1586,8 @@ pm_call_node_create(pm_parser_t *parser) {
*/
static pm_call_node_t *
pm_call_node_aref_create(pm_parser_t *parser, pm_node_t *receiver, pm_arguments_t *arguments) {
+ pm_assert_value_expression(parser, receiver);
+
pm_call_node_t *node = pm_call_node_create(parser);
node->base.location.start = receiver->location.start;
@@ -1611,6 +1615,9 @@ pm_call_node_aref_create(pm_parser_t *parser, pm_node_t *receiver, pm_arguments_
*/
static pm_call_node_t *
pm_call_node_binary_create(pm_parser_t *parser, pm_node_t *receiver, pm_token_t *operator, pm_node_t *argument) {
+ pm_assert_value_expression(parser, receiver);
+ pm_assert_value_expression(parser, argument);
+
pm_call_node_t *node = pm_call_node_create(parser);
node->base.location.start = MIN(receiver->location.start, argument->location.start);
@@ -1632,6 +1639,8 @@ pm_call_node_binary_create(pm_parser_t *parser, pm_node_t *receiver, pm_token_t
*/
static pm_call_node_t *
pm_call_node_call_create(pm_parser_t *parser, pm_node_t *receiver, pm_token_t *operator, pm_token_t *message, pm_arguments_t *arguments) {
+ pm_assert_value_expression(parser, receiver);
+
pm_call_node_t *node = pm_call_node_create(parser);
node->base.location.start = receiver->location.start;
@@ -1695,6 +1704,8 @@ pm_call_node_fcall_create(pm_parser_t *parser, pm_token_t *message, pm_arguments
*/
static pm_call_node_t *
pm_call_node_not_create(pm_parser_t *parser, pm_node_t *receiver, pm_token_t *message, pm_arguments_t *arguments) {
+ pm_assert_value_expression(parser, receiver);
+
pm_call_node_t *node = pm_call_node_create(parser);
node->base.location.start = message->start;
@@ -1719,6 +1730,8 @@ pm_call_node_not_create(pm_parser_t *parser, pm_node_t *receiver, pm_token_t *me
*/
static pm_call_node_t *
pm_call_node_shorthand_create(pm_parser_t *parser, pm_node_t *receiver, pm_token_t *operator, pm_arguments_t *arguments) {
+ pm_assert_value_expression(parser, receiver);
+
pm_call_node_t *node = pm_call_node_create(parser);
node->base.location.start = receiver->location.start;
@@ -1748,6 +1761,8 @@ pm_call_node_shorthand_create(pm_parser_t *parser, pm_node_t *receiver, pm_token
*/
static pm_call_node_t *
pm_call_node_unary_create(pm_parser_t *parser, pm_token_t *operator, pm_node_t *receiver, const char *name) {
+ pm_assert_value_expression(parser, receiver);
+
pm_call_node_t *node = pm_call_node_create(parser);
node->base.location.start = operator->start;
@@ -3243,6 +3258,7 @@ pm_if_node_modifier_create(pm_parser_t *parser, pm_node_t *statement, const pm_t
*/
static pm_if_node_t *
pm_if_node_ternary_create(pm_parser_t *parser, pm_node_t *predicate, pm_node_t *true_expression, const pm_token_t *colon, pm_node_t *false_expression) {
+ pm_assert_value_expression(parser, predicate);
pm_conditional_predicate(predicate);
pm_statements_node_t *if_statements = pm_statements_node_create(parser);
@@ -4000,6 +4016,8 @@ pm_local_variable_target_node_create(pm_parser_t *parser, const pm_token_t *name
*/
static pm_match_predicate_node_t *
pm_match_predicate_node_create(pm_parser_t *parser, pm_node_t *value, pm_node_t *pattern, const pm_token_t *operator) {
+ pm_assert_value_expression(parser, value);
+
pm_match_predicate_node_t *node = PM_ALLOC_NODE(parser, pm_match_predicate_node_t);
*node = (pm_match_predicate_node_t) {
@@ -4023,6 +4041,8 @@ pm_match_predicate_node_create(pm_parser_t *parser, pm_node_t *value, pm_node_t
*/
static pm_match_required_node_t *
pm_match_required_node_create(pm_parser_t *parser, pm_node_t *value, pm_node_t *pattern, const pm_token_t *operator) {
+ pm_assert_value_expression(parser, value);
+
pm_match_required_node_t *node = PM_ALLOC_NODE(parser, pm_match_required_node_t);
*node = (pm_match_required_node_t) {
@@ -4296,6 +4316,8 @@ pm_optional_parameter_node_create(pm_parser_t *parser, const pm_token_t *name, c
*/
static pm_or_node_t *
pm_or_node_create(pm_parser_t *parser, pm_node_t *left, const pm_token_t *operator, pm_node_t *right) {
+ pm_assert_value_expression(parser, left);
+
pm_or_node_t *node = PM_ALLOC_NODE(parser, pm_or_node_t);
*node = (pm_or_node_t) {
@@ -4566,6 +4588,9 @@ pm_pre_execution_node_create(pm_parser_t *parser, const pm_token_t *keyword, con
*/
static pm_range_node_t *
pm_range_node_create(pm_parser_t *parser, pm_node_t *left, const pm_token_t *operator, pm_node_t *right) {
+ pm_assert_value_expression(parser, left);
+ pm_assert_value_expression(parser, right);
+
pm_range_node_t *node = PM_ALLOC_NODE(parser, pm_range_node_t);
pm_node_flags_t flags = 0;
diff --git a/test/prism/errors_test.rb b/test/prism/errors_test.rb
index 9a63b32e30..5d4b95a224 100644
--- a/test/prism/errors_test.rb
+++ b/test/prism/errors_test.rb
@@ -1550,6 +1550,8 @@ module Prism
1 unless (return)
1 while (return)
1 until (return)
+ (return) => a
+ (return) in a
RUBY
message = 'Unexpected void value expression'
assert_errors expression(source), source, [
@@ -1557,6 +1559,66 @@ module Prism
[message, 24..30],
[message, 41..47],
[message, 58..64],
+ [message, 67..73],
+ [message, 81..87]
+ ], compare_ripper: false # Ripper does not check 'void value expression'.
+ end
+
+ def test_void_value_expression_in_expression
+ source = <<~RUBY
+ (return) ? 1 : 1
+ (return)..1
+ 1..(return)
+ (return)...1
+ 1...(return)
+ (..(return))
+ (...(return))
+ ((return)..)
+ ((return)...)
+ RUBY
+ message = 'Unexpected void value expression'
+ assert_errors expression(source), source, [
+ [message, 1..7],
+ [message, 18..24],
+ [message, 33..39],
+ [message, 42..48],
+ [message, 59..65],
+ [message, 71..77],
+ [message, 85..91],
+ [message, 96..102],
+ [message, 109..115]
+ ], compare_ripper: false # Ripper does not check 'void value expression'.
+ end
+
+ def test_void_value_expression_in_hash
+ source = <<~RUBY
+ { return => 1 }
+ { 1 => return }
+ { a: return }
+ { **return }
+ RUBY
+ message = 'Unexpected void value expression'
+ assert_errors expression(source), source, [
+ [message, 2..8],
+ [message, 23..29],
+ [message, 37..43],
+ [message, 50..56],
+ ], compare_ripper: false # Ripper does not check 'void value expression'.
+ end
+
+ def test_void_value_expression_in_call
+ source = <<~RUBY
+ (return).foo
+ (return).(1)
+ (return)[1]
+ (return)[1] = 2
+ RUBY
+ message = 'Unexpected void value expression'
+ assert_errors expression(source), source, [
+ [message, 1..7],
+ [message, 14..20],
+ [message, 27..33],
+ [message, 39..45],
], compare_ripper: false # Ripper does not check 'void value expression'.
end
@@ -1584,19 +1646,33 @@ module Prism
], compare_ripper: false # Ripper does not check 'void value expression'.
end
- def test_void_value_expression_in_hash
+ def test_void_value_expression_in_unary_call
source = <<~RUBY
- { return => 1 }
- { 1 => return }
- { a: return }
- { **return }
+ +(return)
+ not return
RUBY
message = 'Unexpected void value expression'
assert_errors expression(source), source, [
[message, 2..8],
- [message, 23..29],
- [message, 37..43],
- [message, 50..56],
+ [message, 14..20],
+ ], compare_ripper: false # Ripper does not check 'void value expression'.
+ end
+
+ def test_void_value_expression_in_binary_call
+ source = <<~RUBY
+ 1 + (return)
+ (return) + 1
+ 1 and (return)
+ (return) and 1
+ 1 or (return)
+ (return) or 1
+ RUBY
+ message = 'Unexpected void value expression'
+ assert_errors expression(source), source, [
+ [message, 5..11],
+ [message, 14..20],
+ [message, 42..48],
+ [message, 71..77],
], compare_ripper: false # Ripper does not check 'void value expression'.
end