package ppxlib

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in-package search v0.2.0

ppxlib
- Ppxlib
  - Ast_builder
    
    Default
    
    Located
    
    Loc
    
    Make
    
    Loc
    
    Located
    
    S
    
    Located
  - Ast_pattern
    
    Packed
  - Ast_traverse
    
    fold
    
    fold_map
    
    iter
    
    lift
    
    map
    
    map_with_context
    
    map_with_expansion_context
    
    map_with_path
    
    sexp_of
  - Attribute
    
    Context
    
    Floating
    
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  - Caller_id
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  - Context_free
    
    Rule
    
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    map_top_down
  - Deriving
    
    Args
    
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    V2
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    Name
    
    T
    
    Lint_error
  - Expansion_context
    
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  - Extension
    
    Context
    
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    For_context
    
    V2
    
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  - File_path
  - Loc
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    Error
  - Longident
  - Merlin_helpers
  - Quoter
  - Reserved_namespaces
  - Spellcheck
  - fold
  - fold_map
  - iter
  - lift
  - map
  - map_with_context
  - type_is_recursive
ppxlib.ast
- Ppxlib_ast
  - Ast
    
    fold
    
    fold_map
    
    iter
    
    lift
    
    map
    
    map_with_context
  - Extra_warnings
  - Import_for_core
    
    Lexer
    
    Location
    
    Parse
    
    Of_ocaml
    
    Parser
    
    Of_ocaml
    
    Select_ast
    
    Ocaml
    
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    Ast_mapper
    
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    Of_ocaml
    
    To_ocaml
    
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    To_ocaml
    
    Type
    
    Syntaxerr
  - Lexer
  - Parse
    
    Of_ocaml
  - Parser
    
    Of_ocaml
  - Pprintast
  - Select_ast
    
    Ocaml
    
    Ast
    
    Ast_mapper
    
    Config
    
    Outcometree
    
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    Of_ocaml
    
    To_ocaml
    
    Type
  - Selected_ast
    
    Of_ocaml
    
    To_ocaml
    
    Type
  - Syntaxerr
ppxlib.metaquot_lifters
- Ppxlib_metaquot_lifters
  - expression_lifters
  - pattern_lifters
ppxlib.print_diff
- Ppxlib_print_diff
ppxlib.runner
- Ppxlib_runner
  - Ppx_driver_runner
ppxlib.runner_as_ppx
- Ppxlib_runner_as_ppx
  - Ppx_driver_runner_as_ppx
ppxlib.traverse_builtins
- Ppxlib_traverse_builtins
  - T
  - fold
  - fold_map
  - iter
  - lift
  - map
  - map_with_context
  - std_lifters

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Generate expressions in a hygienic way.

The idea is that whenever we want to refer to an expression in generated code we first quote it. The result will be an identifier that is guaranteed to refer to the expression it was created from. This way it is impossible for quoted fragments to refer to newly introduced expressions.

type t

val create : Base.Unit.t -> t

Creates a quoter. A quoter guarantees to give names that do not clash with any other names used before

val quote : 
  t ->
  Migrate_parsetree.Ast_408.Parsetree.expression ->
  Migrate_parsetree.Ast_408.Parsetree.expression

quote t e returns the expression that is safe to use in place of e in generated code

val sanitize : 
  t ->
  Migrate_parsetree.Ast_408.Parsetree.expression ->
  Migrate_parsetree.Ast_408.Parsetree.expression

sanitize t e Returns e wrapped with bindings for all quoted expressions in the quoter t