Jeremy G. Siek 7cce1bd124 interfaces, impls, and constrained generics (basics) (#1073) 4 سال پیش
..
BUILD 2017eb4da0 Initial implementation of block string literals following lexical_conventions/string_literals.md. (#1028) 4 سال پیش
README.md 6c3e1f6d7c Revise README and add subdir READMEs (#1023) 4 سال پیش
bison_wrap.h 057b9fe253 Clean up remaining executable_semantics clang-tidy warnings (#906) 4 سال پیش
format_grammar.py 2017eb4da0 Initial implementation of block string literals following lexical_conventions/string_literals.md. (#1028) 4 سال پیش
format_grammar_test.py ffc2be92d6 Add carbon to a couple python imports for correctness (#1033) 4 سال پیش
lexer.lpp 7cce1bd124 interfaces, impls, and constrained generics (basics) (#1073) 4 سال پیش
parse.cpp ec2f8e64e2 Support parsing Carbon files from strings. (#954) 4 سال پیش
parse.h ec2f8e64e2 Support parsing Carbon files from strings. (#954) 4 سال پیش
parse_and_lex_context.cpp 70797e8bf8 Mass rename SourceLoc and Tag (#860) 4 سال پیش
parse_and_lex_context.h 2017eb4da0 Initial implementation of block string literals following lexical_conventions/string_literals.md. (#1028) 4 سال پیش
parse_test.cpp eda43faa5a Note namespace and static recommendations in C++ style guide (#1041) 4 سال پیش
parse_test_matchers.h dc5e62fc7a Support parsing and testing unimplemented expressions (#957) 4 سال پیش
parse_test_matchers_internal.h 92903afbd5 clang-tidy pass on executable_semantics (#963) 4 سال پیش
parser.ypp 7cce1bd124 interfaces, impls, and constrained generics (basics) (#1073) 4 سال پیش
unimplemented_example_test.cpp eda43faa5a Note namespace and static recommendations in C++ style guide (#1041) 4 سال پیش

README.md

The code in this directory is responsible for translating Carbon source code to the AST defined in ast. It consists primarily of a Flex lexer defined in lexer.lpp and a Bison grammar defined in parser.ypp.

It is possible to define and test a new expression syntax without defining its semantics by using the UnimplementedExpression AST node type and the same techniques can be applied to other kinds of AST nodes as needed. See the handling of the UNIMPL_EXAMPLE token for an example of how this is done, and see unimplemented_example_test.cpp for an example of how to test it.