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https://github.com/RGBCube/serenity
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This patch begins the work of implementing JavaScript execution in a bytecode VM instead of an AST tree-walk interpreter. It's probably quite naive, but we have to start somewhere. The basic idea is that you call Bytecode::Generator::generate() on an AST node and it hands you back a Bytecode::Block filled with instructions that can then be interpreted by a Bytecode::Interpreter. This first version only implements two instructions: Load and Add. :^) Each bytecode block has infinity registers, and the interpreter resizes its register file to fit the block being executed. Two new `js` options are added in this patch as well: `-d` will dump the generated bytecode `-b` will execute the generated bytecode Note that unless `-d` and/or `-b` are specified, none of the bytecode related stuff in LibJS runs at all. This is implemented in parallel with the existing AST interpreter. :^) |
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| .. | ||
| Bytecode | ||
| Heap | ||
| Runtime | ||
| Tests | ||
| AST.cpp | ||
| AST.h | ||
| CMakeLists.txt | ||
| Console.cpp | ||
| Console.h | ||
| Forward.h | ||
| Interpreter.cpp | ||
| Interpreter.h | ||
| Lexer.cpp | ||
| Lexer.h | ||
| MarkupGenerator.cpp | ||
| MarkupGenerator.h | ||
| Parser.cpp | ||
| Parser.h | ||
| SourceRange.h | ||
| SyntaxHighlighter.cpp | ||
| SyntaxHighlighter.h | ||
| Token.cpp | ||
| Token.h | ||