▼ |  | Inside: Racket C API

1 | Overview
2 | Values and Types
3 | Memory Allocation
4 | Namespaces and Modules
5 | Procedures
6 | Evaluation
7 | Exceptions and Escape Continuations
8 | Threads
9 | Parameterizations
10 | Continuation Marks
11 | String Encodings
12 | Bignums, Rationals, and Complex Numbers
13 | Ports and the Filesystem
14 | Structures
15 | Security Guards
16 | Custodians
17 | Subprocesses
18 | Miscellaneous Utilities
19 | Flags and Hooks
| Index

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Inside: Racket C API

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## Inside: Racket C API

Matthew Flatt

This manual describes Racket’s C interface, which allows the interpreter to be extended by a dynamically-loaded library, or embedded within an arbitrary C/C++ program. The manual assumes familiarity with Racket as described in The Racket Reference.

For an alternative way of dealing with foreign code, see The Racket Foreign Interface, which describes the ffi/unsafe module for manipulating low-level libraries and structures purely through Racket code.

1 Overview
1.1 “Scheme” versus “Racket”
1.2 Building Racket from Source
1.3 CGC versus 3m
1.4 Writing Racket Extensions
1.4.1 CGC Extensions
1.4.2 3m Extensions
1.4.3 Declaring a Module in an Extension
1.5 Embedding Racket into a Program
1.5.1 CGC Embedding
1.5.2 3m Embedding
1.6 Racket and Places
1.7 Racket and Threads
1.8 Racket, Unicode, Characters, and Strings
1.9 Integers
2 Values and Types
2.1 Standard Types
2.2 Global Constants
2.3 Strings
2.4 Value Functions
3 Memory Allocation
3.1 Cooperating with 3m
3.1.1 Tagged Objects
3.1.2 Local Pointers
3.1.3 Local Pointers and raco ctool --xform
3.1.4 Guiding raco ctool --xform
3.1.5 Places and Garbage Collector Instances
3.2 Memory Functions
4 Namespaces and Modules
5 Procedures
6 Evaluation
6.1 Top-level Evaluation Functions
6.2 Tail Evaluation
6.3 Multiple Values
6.4 Evaluation Functions
7 Exceptions and Escape Continuations
7.1 Temporarily Catching Error Escapes
7.2 Enabling and Disabling Breaks
7.3 Exception Functions
8 Threads
8.1 Integration with Threads
8.2 Allowing Thread Switches
8.3 Blocking the Current Thread
8.4 Threads in Embedded Racket with Event Loops
8.4.1 Callbacks for Blocked Threads
8.5 Sleeping by Embedded Racket
8.6 Thread Functions
9 Parameterizations
10 Continuation Marks
11 String Encodings
12 Bignums, Rationals, and Complex Numbers
13 Ports and the Filesystem
14 Structures
15 Security Guards
16 Custodians
17 Subprocesses
18 Miscellaneous Utilities
19 Flags and Hooks
Index

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