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Make small fixes to compiler series posts
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Danila Fedorin 2020-03-30 19:59:40 -07:00
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content/blog/00_compiler_intro.md
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@ -40,7 +40,7 @@ Let's go over some preliminary information before we embark on this journey.
#### The "classic" stages of a compiler #### The "classic" stages of a compiler
Let's take a look at the high level overview of what a compiler does. Let's take a look at the high level overview of what a compiler does.
Conceptually, the components of a compiler are pretty cleanly separated. Conceptually, the components of a compiler are pretty cleanly separated.
They are as gollows: They are as follows:
1. Tokenizing / lexical analysis 1. Tokenizing / lexical analysis
2. Parsing 2. Parsing

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content/blog/01_compiler_tokenizing.md
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@ -103,7 +103,7 @@ generate a state machine, and convert it into code to simulate that state machin
that code as part of our compiler. This way, we have a state machine "hardcoded" into our tokenizer, that code as part of our compiler. This way, we have a state machine "hardcoded" into our tokenizer,
and no conversion of regex to DFAs needs to be done at runtime. and no conversion of regex to DFAs needs to be done at runtime.
#### The Practice ### The Practice
Creating an NFA, and then a DFA, and then generating C++ code are all cumbersome. If we had to Creating an NFA, and then a DFA, and then generating C++ code are all cumbersome. If we had to
write code to do this every time we made a compiler, it would get very repetitive, very fast. write code to do this every time we made a compiler, it would get very repetitive, very fast.
Fortunately, there exists a tool that does exactly this for us - it's called `flex`. Flex Fortunately, there exists a tool that does exactly this for us - it's called `flex`. Flex