diff options
Diffstat (limited to 'devel/kimwitu++')
| -rw-r--r-- | devel/kimwitu++/pkg-descr | 41 |
1 files changed, 19 insertions, 22 deletions
diff --git a/devel/kimwitu++/pkg-descr b/devel/kimwitu++/pkg-descr index e42837b5ef11..cf4fefe338b1 100644 --- a/devel/kimwitu++/pkg-descr +++ b/devel/kimwitu++/pkg-descr @@ -1,25 +1,22 @@ -Kimwitu++ is the successor to Kimwitu. Like Kimwitu, it is a tool for + Kimwitu++ is the successor to Kimwitu. Like Kimwitu, it is a tool for processing trees (i.e. terms). It is a meta tool: Kimwitu++ can be used for -generating software - especially when building compilers. Kimwitu++ has its -own input language, which allows the definition fo the tree structure and of -functions operating on the tree. It uses the input to generate a number of -C++ files, which are then bound to a program using the C++ compiler. - -Kimwitu++ can be easily combined with parser generators like lex and yacc. -While the parser deals with processing the grammar rules, kimwitu++ deals -with creating an abstract syntax tree. In further passes, this tree can be -used to generate target code. These passes can be implemented in the same -program or a different one - kimwitu++ supports saving the tree into files. - -For processing the tree, Kimwitu++ supports two mechanisms: unparse rules -(for code generation), and rewrite rules (for transformations). Each rule -can be tailored to a specific node structure using pattern matching; all -rules together are applied to the tree recursively. To support different -rules for the same kind of node (in different application contexts), -Kimwitu++ supports the definition of views. - -Inside the rules, Kimwitu++ allows to integrate C++ code; it also provides -some extensions to C++. For each node type, a class is generated, which can -be extended with user-defined methods. +generating software - especially when building compilers. Kimwitu++ has its own +input language, which allows the definition fo the tree structure and of +functions operating on the tree. It uses the input to generate a number of C++ +files, which are then bound to a program using the C++ compiler. + Kimwitu++ can be easily combined with parser generators like lex and +yacc. While the parser deals with processing the grammar rules, kimwitu++ deals +with creating an abstract syntax tree. In further passes, this tree can be used +to generate target code. These passes can be implemented in the same program or +a different one - kimwitu++ supports saving the tree into files. + For processing the tree, Kimwitu++ supports two mechanisms: unparse +rules (for code generation), and rewrite rules (for transformations). Each rule +can be tailored to a specific node structure using pattern matching; all rules +together are applied to the tree recursively. To support different rules for +the same kind of node (in different application contexts), Kimwitu++ supports +the definition of views. + Inside the rules, Kimwitu++ allows to integrate C++ code; it also +provides some extensions to C++. For each node type, a class is generated, which +can be extended with user-defined methods. WWW: http://site.informatik.hu-berlin.de/kimwitu++/ |