infix2postfix::preprocessor::Expander Class Reference

Public Member Functions
	Expander (const MacroTable &macros, int recursion_depth=0)
std::vector< Token >	expand (const std::vector< Token > &input)
std::vector< MacroExpansion >	getExpansions () const

Detailed Description

Definition at line 1136 of file Preprocessor.cpp.

Constructor & Destructor Documentation

Expander()

infix2postfix::preprocessor::Expander::Expander ( const MacroTable & macros, int recursion_depth = 0 )

inline

Definition at line 1138 of file Preprocessor.cpp.

        : macros(macros), recursion_depth(recursion_depth) {}

Member Function Documentation

expand()

std::vector< Token > infix2postfix::preprocessor::Expander::expand ( const std::vector< Token > & input )

inline

Definition at line 1141 of file Preprocessor.cpp.

                                                           {
        TokenStream stream(input);
        std::vector<Token> result;
 
        while (!stream.is_eof()) {
            const auto tok = stream.peek();
 
            if (tok.type == TokenType::Identifier) {
                if (tok.text == "defined") {
                    handleDefinedOperator(stream, result);
                    continue;
                }
 
                if (tok.text == "consteval" || tok.text == "is_consteval") {
                    handleConstevalIntrinsics(stream, result, tok);
                    continue;
                }
 
                if (tok.text == "static_assert") {
                    handleStaticAssertIntrinsic(stream, result, tok);
                    continue;
                }
 
                const Macro* macro = macros.find(tok.text);
                if (macro == nullptr) {
                    result.push_back(stream.consume());
                    continue;
                }
 
                Token macro_token = stream.consume();
 
                if (macro->is_function_like) {
                    expandFunctionLikeMacro(stream, result, macro_token,
                                            *macro);
                } else {
                    expandObjectLikeMacro(stream, result, macro_token, *macro);
                }
            } else {
                result.push_back(stream.consume());
            }
        }
 
        return result;
    }

References infix2postfix::preprocessor::TokenStream::consume(), infix2postfix::preprocessor::TokenStream::is_eof(), infix2postfix::preprocessor::Macro::is_function_like, infix2postfix::preprocessor::TokenStream::peek(), Token::text, and Token::type.

getExpansions()

std::vector< MacroExpansion > infix2postfix::preprocessor::Expander::getExpansions ( ) const

inlinenodiscard

Definition at line 1186 of file Preprocessor.cpp.

                                                                  {
        return expansions;
    }

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The documentation for this class was generated from the following file:

• llvmexpr/frontend/infix2postfix/Preprocessor.cpp