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Add permissive mode for menu parsing that accepts unknown script tokens as long as they can be put into the script

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This commit is contained in:
Jan
2021-11-28 17:55:26 +01:00
parent e94c48338c
commit b082e471e7
24 changed files with 200 additions and 72 deletions
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20
test/ParserTestUtils/Parsing/Mock/MockLexer.h
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@ -14,20 +14,20 @@ class MockLexer final : public ILexer<TokenType>
std::vector<TokenType> m_tokens;
TokenType m_eof;
int m_pop_count;
size_t m_pop_count;
public:
MockLexer(std::initializer_list<Movable<TokenType>> tokens, TokenType eof)
: m_tokens(std::make_move_iterator(tokens.begin()), std::make_move_iterator(tokens.end())),
m_eof(std::move(eof)),
m_pop_count(0)
m_pop_count(0u)
{
}
MockLexer(std::vector<TokenType> tokens, TokenType eof)
: m_tokens(std::move(tokens)),
m_eof(std::move(eof)),
m_pop_count(0)
m_pop_count(0u)
{
}
@ -39,28 +39,30 @@ public:
const TokenType& GetToken(const unsigned index) override
{
if (index < m_tokens.size())
return m_tokens[index];
const auto absoluteIndex = m_pop_count + index;
if (absoluteIndex < m_tokens.size())
return m_tokens[absoluteIndex];
return m_eof;
}
void PopTokens(const int amount) override
{
m_pop_count += amount;
assert(amount >= 0);
m_pop_count += static_cast<size_t>(amount);
}
bool IsEof() override
{
return !m_tokens.empty();
return !m_tokens.empty() || m_pop_count >= m_tokens.size();
}
const TokenPos& GetPos() override
{
return !m_tokens.empty() ? m_tokens[0].GetPos() : m_eof.GetPos();
return !m_tokens.empty() && m_pop_count < m_tokens.size() ? m_tokens[m_pop_count].GetPos() : m_eof.GetPos();
}
_NODISCARD int GetPopCount() const
_NODISCARD size_t GetPopCount() const
{
return m_pop_count;
}