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LibCpp: Add Parser::tokens_in_range(start, end)

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This function returns the tokens that exist in the specified range.
This commit is contained in:
Itamar 2021-07-03 11:47:41 +03:00 • committed by Andreas Kling
parent 9a31fb6673
commit 232013c05b
3 changed files with 15 additions and 5 deletions
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16
Userland/Libraries/LibCpp/Parser.cpp
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@ -869,16 +869,26 @@ String Parser::text_of_node(const ASTNode& node) const
}
String Parser::text_in_range(Position start, Position end) const
{
StringBuilder builder;
for (auto token : tokens_in_range(start, end)) {
builder.append(token.text());
}
return builder.to_string();
}
Vector<Token> Parser::tokens_in_range(Position start, Position end) const
{
auto start_token_index = index_of_token_at(start);
auto end_node_index = index_of_token_at(end);
VERIFY(start_token_index.has_value());
VERIFY(end_node_index.has_value());
StringBuilder text;
Vector<Token> tokens;
for (size_t i = start_token_index.value(); i <= end_node_index.value(); ++i) {
text.append(m_tokens[i].text());
tokens.append(m_tokens[i]);
}
return text.build();
return tokens;
}
void Parser::error(StringView message)