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#ifndef CPP_EXTRACT_PARSER_H
#define CPP_EXTRACT_PARSER_H
#include "diagnostics.h"
#include "node.h"
#include "identifier-lookup.h"
#include "node-tree.h"
#include "../../source/compiler-core/slang-lexer.h"
namespace CppExtract {
using namespace Slang;
class Parser
{
public:
typedef uint32_t NodeTypeBitType;
SlangResult expect(TokenType type, Token* outToken = nullptr);
bool advanceIfMarker(Token* outToken = nullptr);
bool advanceIfToken(TokenType type, Token* outToken = nullptr);
bool advanceIfStyle(IdentifierStyle style, Token* outToken = nullptr);
SlangResult pushAnonymousNamespace();
SlangResult pushScope(ScopeNode* node);
SlangResult consumeToClosingBrace(const Token* openBraceToken = nullptr);
SlangResult popScope();
/// Parse the contents of the source file
SlangResult parse(SourceOrigin* sourceOrigin, const Options* options);
void setKindEnabled(Node::Kind kind, bool isEnabled = true);
bool isTypeEnabled(Node::Kind kind) { return (m_nodeTypeEnabled & (NodeTypeBitType(1) << int(kind))) != 0; }
void setKindsEnabled(const Node::Kind* kinds, Index kindsCount, bool isEnabled = true);
Parser(NodeTree* nodeTree, DiagnosticSink* sink);
protected:
static Node::Kind _toNodeKind(IdentifierStyle style);
bool _isMarker(const UnownedStringSlice& name);
SlangResult _maybeConsumeScope();
SlangResult _parsePreDeclare();
SlangResult _parseTypeSet();
SlangResult _maybeParseNode(Node::Kind kind);
SlangResult _maybeParseContained(Node** outNode);
SlangResult _parseTypeDef();
SlangResult _parseEnum();
SlangResult _parseMarker();
SlangResult _parseSpecialMacro();
SlangResult _maybeParseType(List<Token>& outToks, Token& outName);
SlangResult _maybeParseType(UnownedStringSlice& outType, Token& outName);
SlangResult _maybeParseType(Index& ioTemplateDepth, TokenReader::ParsingCursor& outCursor);
SlangResult _parseExpression(List<Token>& outExprTokens);
SlangResult _maybeParseTemplateArgs(Index& ioTemplateDepth);
SlangResult _maybeParseTemplateArg(Index& ioTemplateDepth);
/// Parse balanced - if a sink is set will report to that sink
SlangResult _parseBalanced(DiagnosticSink* sink);
bool _isCtor();
/// Concatenate all tokens from start to the current position
UnownedStringSlice _concatTokens(TokenReader::ParsingCursor start);
UnownedStringSlice _concatTokens(const Token* toks, Index toksCount);
UnownedStringSlice _concatType(TokenReader::ParsingCursor start, TokenReader::ParsingCursor nameCursor);
void _getTypeTokens(TokenReader::ParsingCursor start, TokenReader::ParsingCursor nameCursor, List<Token>& outToks);
/// Consume what looks like a template definition
SlangResult _consumeTemplate();
SlangResult _maybeConsume(IdentifierStyle style);
SlangResult _consumeToSync();
/// Consumes balanced parens. Will return an error if not matched. Assumes starts on opening (
SlangResult _consumeBalancedParens();
NodeTypeBitType m_nodeTypeEnabled;
TokenList m_tokenList;
TokenReader m_reader;
List<ScopeNode*> m_scopeStack;
ScopeNode* m_currentScope; ///< The current scope being processed
SourceOrigin* m_sourceOrigin; ///< The source origin that all tokens are in
DiagnosticSink* m_sink; ///< Diagnostic sink
NodeTree* m_nodeTree; ///< Shared state between parses. Nodes will be added to this
const Options* m_options;
};
} // CppExtract
#endif
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