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This project implements a compiler for the rather old school 'Oh?' language.

License: Apache License 2.0

Java 99.57% Shell 0.43%

compilers's Introduction

compilers

projects about compilers for various demo languages

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compilers's Issues

LR(0) table creator creates edges to curious states without labels?

A state should be labeled with the productions of its items.
In the dot output there are edges pointing to states that are not defined in the dot file.
So it appears that the table creator creates edges for which no states are kept.
For more simple grammars like 3.1fixed the table creation process is correct.

GrammarReader inflexible

The GrammarReader implementation does not support various Grammar types, like LL1Grammar and LR0 Grammar, etc.
Make it that there is a grammar type that can be subclassed, and that GrammarReader can load and return any of them. E.g. the client hands over the Grammar object into which to load the input stream data, or hands over the class of the desired Grammar type, or an enumeration value, or whatever you want, just fix it!

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