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LibCpp: Add library for working with c++ code

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Moved the C++ Lexer we have from LibGUI to here, so that other
components could use it without linking with LibGUI.
This commit is contained in:
Itamar 2020-09-28 16:21:25 +03:00 • committed by Andreas Kling
parent fec4152220
commit bf53d7ff64
8 changed files with 132 additions and 126 deletions
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12
DevTools/HackStudio/CppAutoComplete.cpp
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@ -26,7 +26,7 @@
#include "CppAutoComplete.h"
#include <AK/HashTable.h>
#include <LibGUI/CppLexer.h>
#include <LibCpp/Lexer.h>
// #define DEBUG_AUTOCOMPLETE
@ -34,7 +34,7 @@ namespace HackStudio {
Vector<String> CppAutoComplete::get_suggestions(const String& code, GUI::TextPosition autocomplete_position)
{
auto lines = code.split('\n', true);
GUI::CppLexer lexer(code);
Cpp::Lexer lexer(code);
auto tokens = lexer.lex();
auto index_of_target_token = token_in_position(tokens, autocomplete_position);
@ -52,12 +52,12 @@ Vector<String> CppAutoComplete::get_suggestions(const String& code, GUI::TextPos
return suggestions;
}
String CppAutoComplete::text_of_token(const Vector<String> lines, const GUI::CppToken& token)
String CppAutoComplete::text_of_token(const Vector<String> lines, const Cpp::Token& token)
{
return lines[token.m_start.line].substring(token.m_start.column, token.m_end.column - token.m_start.column + 1);
}
Optional<size_t> CppAutoComplete::token_in_position(const Vector<GUI::CppToken>& tokens, GUI::TextPosition position)
Optional<size_t> CppAutoComplete::token_in_position(const Vector<Cpp::Token>& tokens, GUI::TextPosition position)
{
for (size_t token_index = 0; token_index < tokens.size(); ++token_index) {
auto& token = tokens[token_index];
@ -70,7 +70,7 @@ Optional<size_t> CppAutoComplete::token_in_position(const Vector<GUI::CppToken>&
return {};
}
Vector<String> CppAutoComplete::identifier_prefixes(const Vector<String> lines, const Vector<GUI::CppToken>& tokens, size_t target_token_index)
Vector<String> CppAutoComplete::identifier_prefixes(const Vector<String> lines, const Vector<Cpp::Token>& tokens, size_t target_token_index)
{
auto partial_input = text_of_token(lines, tokens[target_token_index]);
Vector<String> suggestions;
@ -79,7 +79,7 @@ Vector<String> CppAutoComplete::identifier_prefixes(const Vector<String> lines,
for (size_t i = 0; i < target_token_index; ++i) {
auto& token = tokens[i];
if (token.m_type != GUI::CppToken::Type::Identifier)
if (token.m_type != Cpp::Token::Type::Identifier)
continue;
auto text = text_of_token(lines, token);
if (text.starts_with(partial_input) && !suggestions_lookup.contains(text)) {