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[PRISM] Fix splat inside of aset

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Fixes ruby/prism#2146.
This commit is contained in:
Peter Zhu 2024-01-11 12:27:50 -05:00
parent f2149dc094
commit 45dd8edf82
2 changed files with 16 additions and 1 deletions
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10
prism_compile.c
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@ -2645,9 +2645,17 @@ pm_compile_call(rb_iseq_t *iseq, const pm_call_node_t *call_node, LINK_ANCHOR *c
}
if (pm_node->flags & PM_CALL_NODE_FLAGS_ATTRIBUTE_WRITE) {
if (!popped) {
if (flags & VM_CALL_ARGS_SPLAT) {
ADD_INSN(ret, &dummy_line_node, dup);
ADD_INSN1(ret, &dummy_line_node, putobject, INT2FIX(-1));
ADD_SEND_WITH_FLAG(ret, &dummy_line_node, idAREF, INT2FIX(1), INT2FIX(0));
ADD_INSN1(ret, &dummy_line_node, setn, INT2FIX(orig_argc + 2));
ADD_INSN (ret, &dummy_line_node, pop);
}
else if (!popped) {
ADD_INSN1(ret, &dummy_line_node, setn, INT2FIX(orig_argc + 1));
}
ADD_SEND_R(ret, &dummy_line_node, method_id, INT2FIX(orig_argc), block_iseq, INT2FIX(flags), kw_arg);
PM_POP_UNLESS_POPPED;
}

7
test/ruby/test_compile_prism.rb
View File

@ -1484,6 +1484,13 @@ module Prism
foo.[]=(1,2)
CODE
# With splat inside of []=
assert_prism_eval(<<~RUBY)
obj = Object.new
def obj.[]=(a, b); 10; end
obj[*[1]] = 3
RUBY
assert_prism_eval(<<-CODE)
def self.prism_opt_var_trail_hash(a = nil, *b, c, **d); end
prism_opt_var_trail_hash("a")