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More careful testing of 'for' parses

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This commit is contained in:
Jason Turner 2017-07-19 13:19:36 -06:00
parent b42316a275
commit f03659c865
1 changed files with 8 additions and 0 deletions
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8
include/chaiscript/language/chaiscript_parser.hpp
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@ -1908,9 +1908,17 @@ namespace chaiscript
throw exception::eval_error("Incomplete 'for' block", File_Position(m_position.line, m_position.col), *m_filename); throw exception::eval_error("Incomplete 'for' block", File_Position(m_position.line, m_position.col), *m_filename);
} }
const auto num_children = m_match_stack.size() - prev_stack_top;
if (classic_for) { if (classic_for) {
if (num_children != 4) {
throw exception::eval_error("Incomplete 'for' expression", File_Position(m_position.line, m_position.col), *m_filename);
}
build_match<eval::For_AST_Node<Tracer>>(prev_stack_top); build_match<eval::For_AST_Node<Tracer>>(prev_stack_top);
} else { } else {
if (num_children != 3) {
throw exception::eval_error("Incomplete ranged-for expression", File_Position(m_position.line, m_position.col), *m_filename);
}
build_match<eval::Ranged_For_AST_Node<Tracer>>(prev_stack_top); build_match<eval::Ranged_For_AST_Node<Tracer>>(prev_stack_top);
} }
} }