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--- en:docs:tk:som:sc:ug [2025/05/29 15:50] – [2. Appendix 2. Terminology changes and syntax construct evolution] prokushev
+++ en:docs:tk:som:sc:ug [2025/06/05 12:39] (current) – prokushev
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 somFree Compiler and Emitter Framework is a free open source binary compatible reimplementation of IBM SOM Compiler and Emitter Framework. It is tries to be as compatible as possible on API and ABI level.
 ===== somFree Compiler =====
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 | group     | {obsolete} | {obsolete} |
-IBM SOM 1.0 introduced Object Interface Definition Language (OIDL) which predates Interface Definition Language (IDL). It was a simple language which provided simple objects description. IBM SOM 2.0 switched to SOM IDL, which was an extended version of OMG IDL. SOM Compiler provided OIDL to IDL conversion tools. Because of moving to IDL, ''attribute'' were renamed to ''modifier'' and ''group'' obsolete. SOM IDL extensions mostly ''implementation'' section.
+IBM SOM 1.0 introduced Object Interface Definition Language (OIDL) which predates Interface Definition Language (IDL). It was a simple language which provided simple objects description. IBM SOM 2.0 switched to SOM IDL, which was an extended version of OMG IDL. SOM Compiler provided OIDL to IDL conversion tools. Because of moving to IDL, ''attribute'' were renamed to ''modifier'' and ''group'' obsolete. SOM IDL extensions mostly ''implementation'' section. Also ''#pragma'' statement was added. Modifiers now can be declared via ''#pragma modifier''. Some modifiers were only defined via ''#pragma''.
-IBM SOM 3.0 added some more OMG IDL compatibility according to CORBA 2.x standards, like ''#pragma'' statement. Modifiers now can be declared via ''#pragma modifier''. Some modifiers were only defined via ''#pragma''.
 somFree supports SOM IDL as found in IBM SOM 3.0.