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Diffstat (limited to 'chapter01')
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1 files changed, 11 insertions, 11 deletions
diff --git a/chapter01/README.md b/chapter01/README.md index e5b79493..2c0febb8 100644 --- a/chapter01/README.md +++ b/chapter01/README.md @@ -77,28 +77,28 @@ The ID is also used to efficiently compute equality of nodes; a subject that we ### Start Node -The Start node represents the start of the function. For now, we do not have any values in the Start node, this is because our function does not -yet accept parameters. When we add parameters, the value of the Start node will be a tuple, and will require Projection nodes to extract the values. +The Start node represents the start of the function. For now, we do not have any values in to Start, this is because our function does not yet accept parameters. +When we add parameters, the value of the Start will be a tuple, and will require Projections to extract the values. We discuss this in detail in Chapter 9: Functions and Calls. ### Constant Node -The Constant node represents a constant value. At present, the only constants that we allow are integer literals; therefore the Constant node contains -an integer value. As we add other types of constants, we will need to refactor how we represent Constant nodes. +The Constant node represents a constant value. At present, the only constants that we allow are integer literals; therefore Constant contains an integer value. +As we add other types of constants, we will refactor Constants. -The Constant node has no inputs. However, we set the Start node as an input to the Constant node to enable forward graph walk. This edge carries no semantic meaning, -it is present _solely_ to allow visitation. +Constant has no inputs. However, we add Start as an input to Constant to enable forward graph walk. This edge carries no semantic meaning, +it is present solely to allow visitation. -The Constant node's output is the value stored in it. +The Constant's output is the value stored in it. ### Return Node -The Return node has two inputs. The first input is a control node. The second input is the data node that supplies the return value. +Return has two inputs. The first input is a control node. The second input is the data node that supplies the return value. -In this presentation, the Return node functions as the Stop node, since we are compiling a single unnamed function. -A separate Stop node is not necessary. Compiling multiple functions is covered in Chapter 9: Functions and Calls. +In this presentation, the Return functions as the Stop, since we are compiling a single unnamed function. +A separate Stop is not necessary. Compiling multiple functions is covered in Chapter 9: Functions and Calls. -The output of the Return node is the value it obtained from the data node. +The output of the Return is the value it obtained from the data node. ### Representation |