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compiler/nodes

This library provides a series of methods for interacting with the internal representation of nodes.

builtin

Native defined at lib/compiler/nodes.lisp:55:1

Get the builtin with the given NAME.

builtin?

Native defined at lib/compiler/nodes.lisp:46:1

Determine whether the specified NODE is the given BUILTIN.

Example

> (builtin? (symbol->var `lambda) :lambda)
out = true

constant?

Native defined at lib/compiler/nodes.lisp:58:1

Determine whether the specified NODE is a constant.

(fix-symbol symbol)

Defined at lib/compiler/nodes.lisp:38:2

Convert the quasi-quoted SYMBOL into a fully resolved one.

node->val

Native defined at lib/compiler/nodes.lisp:61:1

Gets the constant value of NODE.

node-contains-var?

Native defined at lib/compiler/nodes.lisp:67:1

Determine whether NODE contains a reference to the given VAR.

node-contains-vars?

Native defined at lib/compiler/nodes.lisp:70:1

Determine whether NODE contains a reference to any of the given VARS.

VARS must be a struct, mapping variable names to true.

symbol->var

Native defined at lib/compiler/nodes.lisp:28:1

Extract the variable from the given SYMBOL.

This will work with quasi-quoted symbols, and those from resolved ASTs. You should not use this on macro arguments as it will not return anything useful.

traverse-node

Native defined at lib/compiler/nodes.lisp:16:1

Traverse NODE with VISITOR.

VISITOR should be a function which accepts the current node and the visitor. It should return the replacement node, or the current node if no changes should be made.

traverse-nodes

Native defined at lib/compiler/nodes.lisp:23:1

Traverse a list of NODES, starting at IDX, using the specified VISITOR.

See traverse-node for more information about the VISITOR.

val->node

Native defined at lib/compiler/nodes.lisp:64:1

Gets the node representation of the constant VALUE.

var->symbol

Native defined at lib/compiler/nodes.lisp:35:1

Create a new symbol referencing the given VARIABLE.

visit-node

Native defined at lib/compiler/nodes.lisp:4:1

Visit NODE with VISITOR.

VISITOR should be a function which accepts the current node and the visitor. This is called before traversing the child nodes. You can return false to not visit them.

visit-nodes

Native defined at lib/compiler/nodes.lisp:11:1

Visit a list of NODES, starting at IDX, using the specified VISITOR.

See visit-node for more information about the VISITOR.