| Original author(s) | Harry H. Cheng |
|---|---|
| Developer(s) | SoftIntegration, Inc. |
| Initial release | October 1, 2001 |
| Stable release | 8.0.0
/ November 19, 2017 |
| Written in | C |
| Operating system | Windows, OS X, Linux, AIX, HP-UX, Solaris (SPARC and x86), QNX, FreeBSD |
| Platform | x86, SPARC |
| Available in | English |
| Type | Integrated development environment |
| License | Proprietary software Standard edition: freeware Student edition: freeware for students Professional edition: trialware for 30 days |
| Website | www |
CH /ˌsiːˈeɪtʃ/ is a proprietary cross-platform C and C++ interpreter and scripting language environment. It was originally designed by Harry Cheng as a scripting language for beginners to learn mathematics, computing, numerical analysis (numeric methods), and programming in C/C++. Ch is now developed and marketed by SoftIntegration, Inc., with multiple versions available, including a freely available student edition, and a CH Professional Edition for Raspberry Pi which is free for non-commercial use.
CH can be embedded in C and C++ application programs. It has numerical computing and graphical plotting features. CH is combined of both shell and IDE.[1] CH shell combines the features of common shell and C language.[2] ChIDE provides quick code navigation and symbolic debugging. It is based on embedded CH, Scite, and Scintilla.[3][4]
CH is written in C and runs on Windows, Linux, macOS, FreeBSD, AIX, Solaris, QNX, and HP-UX. It supports C90 and major C99 features, but it does not support the full set of C++ features. C99 complex number, IEEE-754 floating-point arithmetic, and variable-length array features were supported in CH before they became part of the C99 standard.[5][6][7][8] An article published by Computer Reseller News (CRN) named CH as notable among C-based virtual machines for its functionality and the availability of third-party libraries.[9]
CH has many tool kits that extend its functions. For example, the CH Mechanism Toolkit is used for design and analysis of commonly used mechanisms such as four-bar linkage, five-bar linkage, six-bar linkage, crank-slider mechanism, and cam-follower system.[10] CH Control System Toolkit is used for the design, analysis, and modeling of continuous-time or discrete-time linear time-invariant (LTI) control systems.[11] Both tool kits include the source code.
CH is now used and integrated into the curriculum by many high schools and universities to teach computing and programming in C/C++.[12][13][14][15][16][17][18] CH has been integrated into free C-STEM Studio, a platform for learning computing, science, technology, engineering, and mathematics (C-STEM) with robotics. C-STEM Studio is developed by the UC Davis Center for Integrated Computing and STEM Education, offering a curriculum for K-12 students.
CH supports LEGO Mindstorms NXT and EV3, Arduino, Linkbot, Finch Robot, RoboTalk and Raspberry Pi, Pi Zero, and ARM for robot programming and learning.[19][20][21] It can also be embedded into the LabVIEW system design platform and development environment.[22]
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Transcription
Features
CH supports the 1999 ISO C Standard (C99) and C++ classes. It is a superset of C with C++ classes. Several major features of C99 are supported, such as complex numbers, variable length arrays (VLAs), IEEE-754 floating-point arithmetic, and generic mathematical functions. The specification for wide characters in Addendum 1 for C90 is also supported.
C++ features available in CH include:
- Member functions
- Mixed code and declaration
- The this -> pointer
- Reference type and pass-by-reference
- Function-style type conversion
- Classes
- Private/public data and functions in classes. Ch is compatible with C++ in that by default, members of a class definition are assumed to be private until a 'public' declaration is given
- Static member of class/struct/union
- Const member functions
- The new and delete operators
- Constructors and destructors
- Polymorphic functions
- The scope resolution operator
- The I/O functions cout, cerr, and cin with endl
- Arguments for variadic functions are optional
CH supports classes in C++ with added abilities, including:
- Classes inside member functions
- Nested functions with classes
- Passing member function to argument of pointer-to-function type of functions
CH can interact with existing C/C++ libraries and call C/C++ functions from CH script.[23] As a C/C++ interpreter, CH can be used as a scripting engine and extension language for applications. Pointers to arrays or variables can be passed and shared in both C-compiled and CH scripting contexts. One example of an embedded CH scripting application is Mobile-C, which has been used for collaborative visualization of distributed mesh model.[24][25][26]
CH has a built-in string type (string_t) for automatic memory allocation and de-allocation. It supports shell aliases, history, and piping.[27][28]
CH has built-in 2D/3D graphical plotting features and computational arrays for numerical computing. A 2D linear equation of the form b = A*x can be written verbatim in Ch.[29]
See also
References
- ^ Veeraraghavan, Sriranga (2013). "An introduction to Ch: Implementing a temperature converter in Ch". ComputerWorld.
{{cite journal}}: Cite journal requires|journal=(help) - ^ Ch Shell
- ^ Ch IDE
- ^ Wang, Gary (2002). "Ch Solves Portability Headaches". IEEE Spectrum. 39 (6): 59. doi:10.1109/MSPEC.2002.1049264. S2CID 32477309.
- ^ Cheng, Harry (1993). "Handling of Complex Numbers in the Ch Programming Language". Scientific Programming: 76–106.
- ^ Cheng, Harry (1993). "Scientific Computing in the Ch Programming Language". Scientific Programming: 49–75.
{{cite journal}}: Cite journal requires|journal=(help) - ^ Cheng, Harry (1995). "Extending C and FORTRAN for Design Automation". ASME Trans., Journal of Mechanical Design: 390–395.
{{cite journal}}: Cite journal requires|journal=(help) - ^ Cheng, Harry (1995). "Extending C with arrays of variable length". Computer Standards & Interfaces. 17 (4): 375–406. doi:10.1016/0920-5489(95)00007-H.[dead link]
- ^ Morejon, Mario (2006). "Ch Language Rivals Java Functionality". CRN.
{{cite journal}}: Cite journal requires|journal=(help) - ^ Cheng, Harry (2006). "Object-Oriented Interactive Mechanism Design and Analysis". Engineering with Computers. 21 (3): 237–246. doi:10.1007/s00366-005-0008-4. S2CID 16996625.
- ^ Zhu, Yong (2003). "An Object-Based Software Package for Interactive Control System Design and Analysis". Journal of Computing and Information Science in Engineering. 3 (4): 366–367. doi:10.1115/1.1630815. S2CID 17908643.
- ^ Cheng, Harry (2009). "C for the Course". ASME Mechanical Engineering Magazine: 50–52.
{{cite journal}}: Cite journal requires|journal=(help) - ^ Huber, Tom (2010). "An Introduction to C and Ch: Your One-Stop Shop for Scientific Computing". Computing in Science & Engineering. 12 (4): 7. doi:10.1109/MCSE.2010.82.
- ^ Liu, Li; Wang, Zhaoqing; Jiang, Xusheng (2010). "Anchor-based promgramming teaching embedded with Ch platform". Proceedings of 2010 IEEE/ASME International Conference on Mechatronic and Embedded Systems and Applications. Mechatronics and Embedded Systems and Applications (MESA), IEEE/ASME International Conference. pp. 49–52. doi:10.1109/MESA.2010.5552033. ISBN 978-1-4244-7101-0. S2CID 2063024.
- ^ Furman, B.; Wertz, E. (2010). Proceedings of 2010 IEEE/ASME International Conference on Mechatronic and Embedded Systems and Applications. Mechatronics and Embedded Systems and Applications (MESA), IEEE/ASME International Conference. pp. 70–75. doi:10.1109/MESA.2010.5552091. ISBN 978-1-4244-7101-0. S2CID 12764358.
- ^ Zhuang, Hong; Wang, Zhao-qing (2009). "Experience of Using Ch for Teaching Computer Programming in C". Computer Education: TP311.11–4. CKNI:SUN:JYJS.0.2009-07-016.
{{cite journal}}: Cite journal requires|journal=(help) - ^ Wang, Rong (2009). "Study of C Language Programming Teaching Method on platform Ch". Journal of Weinan Teachers University: TP312.1–4. CNKI:SUN:WOLF.0.2009-05-018.
{{cite journal}}: Cite journal requires|journal=(help) - ^ Stopforth, Riaan (2013). "Teaching and programming with Ch for tertiary-level mechatronics engineering education". 2013 6th Robotics and Mechatronics Conference (Rob Mech). Robotics and Mechatronics Conference (RobMech). pp. 146–149. doi:10.1109/RoboMech.2013.6685507. ISBN 978-1-4799-1518-7. S2CID 23172598.
- ^ ch robot
- ^ ch finch
- ^ ch raspberry and arm[permanent dead link]
- ^ "Embedding a C/C++ Interpreter Ch into LabVIEW for Scripting".
- ^ Wilson, Matthew (2004). "Open-RJ and Ch". Dr. Dobb's Journal.
- ^ Cheng, Harry (2009). "Speeding-Up Software Development Using Embedded Scripting". Dr. Dobb's Journal. p. 8.
- ^ Wang, Li-rong; Bo, Yo; Hagiwara, I (2009). 2009 IEEE 10th International Conference on Computer-Aided Industrial Design & Conceptual Design. Computer-Aided Industrial Design & Conceptual Design, 2009. CAID & CD 2009. IEEE 10th International Conference. pp. 1127–1132. doi:10.1109/CAIDCD.2009.5375178. ISBN 978-1-4244-5266-8. S2CID 39307433.
- ^ Wang, Li-rong; Bo, Yo; Hagiwara, Ichiro (2009). An agent based collaborative simplification of 3D mesh model. Cdve'09. CDVE'09 Proceedings of the 6th international conference on cooperative design, visualization, and engineering. pp. 325–328. ISBN 9783642042645.
- ^ Campbell, Matt (2003). "Ch, A C/C++ Interpreter – New possibilities for people who like C and Unix". MACTECH, the journal of Apple technology.
{{cite journal}}: Cite journal requires|journal=(help) - ^ Cheng, Harry (2010). The Ch Language Environment (6.3 ed.). Davis, CA: SoftIntegration , Inc.
- ^ Glassborow, Francis (2001). "The Ch Language Environment Version 2.0". C Vu Magazine: 36–37.
{{cite journal}}: Cite journal requires|journal=(help)
Further reading
- Heller, Martin (2001). "The Ch Language Environment". Byte. Archived from the original on November 16, 2001.
{{cite journal}}: Cite journal requires|journal=(help) - Cheng, Harry (2002). "C99 & Numeric Computing". Dr. Dobb's Journal. pp. 28–34.
- Cheng, Harry (2006). "Ch: A C/C++ Interpreter for Script Computing". Dr. Dobb's Journal. pp. 6–12.
- Cheng, Harry (2009). C For Engineers & Scientists, An Interpretive Approach. McGraw-Hill. ISBN 978-0-07-729046-7.
- Cheng, Harry (2011). C For Engineers & Scientists (Chinese ed.). Higher Education Press. ISBN 978-0-07-729046-7.
External links
- Official website, SoftIntegration
- Mobile-C: a Multi-Agent Platform for Mobile C/C++ Agents Home Page
- C-STEM Studio
This page was last edited on 23 April 2024, at 22:11