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Questions - parse-tree

How are these parse tree generated?

I need assistance regarding generating the parse tree and the syntax tree. My version of the solutions are the images below but I don't know if they are correct or way off. Given the Grammar: S-->a...
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zed unseened

compiler-construction

abstract-syntax-tree

context-free-grammar

parse-tree

Votes: 0

Answers: 1

Latest Answer

A parse tree (or a syntax tree) needs to correspond to the grammar. The easiest way to construct one is directly from the grammar, since this is exactly what your parser will do. Get out a nice big sh...
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rici

Convert constituent string to Tree object (Stanza)

I am doing some experiments in Python with Stanza and I have converted a lot of sentences into ParseTree objects and saved them into a file like this: # sent_id = Not relevant for the question # text ...
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MinionAttack

python

stanford-nlp

parse-tree

Votes: 0

Answers: 1

Latest Answer

I have found the solution reading the source code in their GitHub. Inside the constituency module, in the tree_reader file there is a method called read_trees(text) that it does exactly what I wanted....
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MinionAttack

ParseCancellationException when using ANTLR4 `parser.file_input()` for Python files

I am writing Java code using ANTLR4 to parse Python files. The lexer and parser I use are Python3Lexer.g4 and Python3Parser.g4 from antlr/grammars-v4 Github. The java parsing code works fine most of t...
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Arya lee

python

java

antlr

antlr4

parse-tree

Votes: 0

Answers: 1

Latest Answer

The grammar expects a NEWLINE at the end of the "simple statement". This works: String input = "SYBYL2SYMB = {\n" + " \"Mo\": \"Mo\",\n" + ...
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Bart Kiers

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