In which I try to unify the defining expressions. There are a number of ways to add words to the dictionary. These include: :, create, constant, and variable. It seems to me that the "primitive" should really be to just add the word to the dictionary and then each of the above words can be … Continue reading Defining Forth
Tag: create
Forth does create
In which we have to reimplement create and does>. Having implemented create and does> as described previously, there are two problems. Consider the following extract from my core tests: t(": DOES1 DOES> @ 1 + ;", expected: "") t(": DOES2 DOES> @ 2 + ;", expected: "") t("CREATE CR1", expected: "") t("CR1 here =", expected: … Continue reading Forth does create
Does Forth create
In which my head explodes. create and does> are what is currently causing the unit tests of my Forth interpreter to fail. So what do these things do? Well, if you read the Forth specification, it becomes obvious that the main thing they do is make a nice smoothy out of your brain. Fortunately, I … Continue reading Does Forth create
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