# Expander Runtime

The following procedures are part of the expander API, accessible at phi=+1 in the core prelude.

These symbols are part of the <expander-runtime> module, defined at the core prelude, which you can import directly if you need to work with the expander at phi=0, for instance in source processing tools.

# Syntax Errors

# raise-syntax-error

(raise-syntax-error ...)

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# syntax-error?

(syntax-error? ...)

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# Syntax Objects

# datum->syntax

(datum->syntax ...)

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# syntax->datum

(syntax->datum ...)

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# syntax-e

(syntax-e ...)

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# syntax->list

(syntax->list ...)

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# Identifiers

# identifier?

(identifier? ...)

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# free-identifier=?

(free-identifier=? ...)

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# bound-identifier=?

(bound-identifier=? ...)

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# genident

(genident ...)

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# gentemps

(gentemps ...)

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# stx-identifier

(stx-identifier ...)

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# identifier-list?

(identifier-list? ...)

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# check-duplicate-identifiers

(check-duplicate-identifiers ...)

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# underscore?

(underscore? ...)

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# ellipsis?

(ellipsis? ...)

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# Utilities

# stx-boolean?

(stx-boolean? ...)

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# stx-keyword?

(stx-keyword? ...)

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# stx-char?

(stx-char? ...)

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# stx-number?

(stx-number? ...)

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# stx-fixnum?

(stx-fixnum? ...)

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# stx-string?

(stx-string? ...)

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# stx-null?

(stx-null? ...)

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# stx-pair?

(stx-pair? ...)

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# stx-pair/null?

(stx-pair/null? ...)

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# stx-list?

(stx-list? ...)

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# stx-box?

(stx-box? ...)

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# stx-vector?

(stx-vector? ...)

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# stx-datum?

(stx-datum? ...)

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# stx-eq?

(stx-eq? ...)

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# stx-eqv?

(stx-eqv? ...)

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# stx-equal?

(stx-equal? ...)

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# stx-false?

(stx-false? ...)

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# stx-e

(stx-e ...)

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# stx-source

(stx-source stx) -> locat | #f
  stx := syntax

:::

Returns the source location of a syntax object AST stx.

The locat structure includes the container and filepos, accessed by ##locat-container and ##locat-filepos. The filepos has line and column information, accessed with ##filepos-line and ##filepos-col.

# stx-wrap-source

(stx-wrap-source stx src) -> syntax
  stx := any
  src := locat

:::

Produces a new syntax object with source location src if stx is not wrapped as an AST already, otherwise returns stx unchanged.

The locat structure can be constructed with (##make-locat container filepos), where a filepos can be constructed with (##make-filepos line col off).

# stx-car

(stx-car ...)

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# stx-cdr

(stx-cdr ...)

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# stx-length

(stx-length ...)

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# stx-for-each

(stx-for-each ...)

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# stx-map

(stx-map ...)

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# stx-foldl

(stx-foldl ...)

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# stx-foldr

(stx-foldr ...)

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# stx-reverse

(stx-reverse ...)

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# stx-last

(stx-last ...)

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# stx-last-pair

(stx-last-pair ...)

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# stx-list-tail

(stx-list-tail ...)

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# stx-list-ref

(stx-list-ref ...)

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# stx-andmap

(stx-andmap ...)

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# stx-ormap

(stx-ormap ...)

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# stx-plist?

(stx-plist? ...)

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# stx-getq

(stx-getq ...)

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# syntax-case

# macro-expand-syntax

(macro-expand-syntax ...)

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# macro-expand-syntax-case

(macro-expand-syntax-case ...)

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# syntax-pattern?

(syntax-pattern? ...)

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# syntax-local-pattern?

(syntax-local-pattern? ...)

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# make-syntax-pattern

(make-syntax-pattern ...)

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# syntax-pattern-id

(syntax-pattern-id ...)

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# syntax-pattern-depth

(syntax-pattern-depth ...)

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# syntax-check-splice-targets

(syntax-check-splice-targets ...)

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# syntax-split-splice

(syntax-split-splice ...)

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# Core Expander

# current-expander-context

(current-expander-context ...)

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# current-expander-marks

(current-expander-marks ...)

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# current-expander-path

(current-expander-path ...)

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# current-expander-phi

(current-expander-phi ...)

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# current-module-reader-path

(current-module-reader-path ...)

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# current-module-reader-args

(current-module-reader-args ...)

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# local-context?

(local-context? ...)

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# top-context?

(top-context? ...)

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# module-context?

(module-context? ...)

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# prelude-context?

(prelude-context? ...)

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# expander-context-id

(expander-context-id ...)

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# module-context-ns

(module-context-ns ...)

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# module-context-import

(module-context-import ...)

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# module-context-export

(module-context-export ...)

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# module-context-code

(module-context-code ...)

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# make-local-context

(make-local-context ...)

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# eval-syntax

(eval-syntax ...)

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# core-expand

(core-expand ...)

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# core-expand-head

(core-expand-head ...)

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# core-expand-expression+1

(core-expand-expression+1 ...)

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# import-module

(import-module ...)

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# eval-module

(eval-module ...)

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# core-library-module-path?

(core-library-module-path? ...)

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# core-resolve-library-module-path

(core-resolve-library-module-path ...)

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# core-resolve-module-path

(core-resolve-module-path ...)

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# core-quote-syntax

(core-quote-syntax ...)

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# core-identifier=?

(core-identifier=? ...)

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# core-identifier-key

(core-identifier-key ...)

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# core-apply-expander

(core-apply-expander ...)

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# syntax-local-introduce

(syntax-local-introduce ...)

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# syntax-local-rewrap

(syntax-local-rewrap ...)

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# syntax-local-unwrap

(syntax-local-unwrap ...)

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# syntax-local-e

(syntax-local-e ...)

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# syntax-local-value

(syntax-local-value ...)

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# Bindings

# resolve-identifier

(resolve-identifier ...)

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# core-resolve-identifier

(core-resolve-identifier ...)

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# binding?

(binding? ...)

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# binding-id

(binding-id ...)

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# runtime-binding?

(runtime-binding? ...)

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# top-binding?

(top-binding? ...)

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# module-binding?

(module-binding? ...)

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# extern-binding?

(extern-binding? ...)

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# syntax-binding?

(syntax-binding? ...)

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# syntax-binding-e

(syntax-binding-e ...)

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# alias-binding?

(alias-binding? ...)

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# alias-binding-e

(alias-binding-e ...)

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# import-binding?

(import-binding? ...)

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# import-binding-e

(import-binding-e ...)

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# Expanders

# expander?

(expander? ...)

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# expander-binding?

(expander-binding? ...)

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# expander-e

(expander-e ...)

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# expander-binding-e

(expander-binding-e ...)

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# feature-expander?

(feature-expander? ...)

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# user-expander?

(user-expander? ...)

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# make-user-expander

(make-user-expander ...)

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# user-expander-context

(user-expander-context ...)

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# user-expander-phi

(user-expander-phi ...)

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# import-expander?

(import-expander? ...)

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# make-import-expander

(make-import-expander ...)

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# export-expander?

(export-expander? ...)

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# make-export-expander

(make-export-expander ...)

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# import-export-expander?

(import-export-expander? ...)

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# make-import-export-expander

(make-import-export-expander ...)

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# Imports and Exports

# module-import?

(module-import? ...)

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# make-module-import

(make-module-import ...)

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# module-import-source

(module-import-source ...)

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# module-import-name

(module-import-name ...)

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# module-import-phi

(module-import-phi ...)

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# module-import-weak?

(module-import-weak? ...)

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# module-export?

(module-export? ...)

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# make-module-export

(make-module-export ...)

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# module-export-context

(module-export-context ...)

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# module-export-key

(module-export-key ...)

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# module-export-phi

(module-export-phi ...)

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# module-export-name

(module-export-name ...)

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# module-export-weak?

(module-export-weak? ...)

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# import-set?

(import-set? ...)

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# import-set-source

(import-set-source ...)

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# import-set-phi

(import-set-phi ...)

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# import-set-imports

(import-set-imports ...)

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# export-set?

(export-set? ...)

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# export-set-source

(export-set-source ...)

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# export-set-phi

(export-set-phi ...)

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# export-set-exports

(export-set-exports ...)

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# core-resolve-module-export

(core-resolve-module-export ...)

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# core-module-export->import

(core-module-export->import ...)

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# core-expand-import-source

(core-expand-import-source ...)

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# core-expand-export-source

(core-expand-export-source ...)

Please document me!