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

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.