Programming Language REXX - The Rexx Language Association

ANSI X3J18-199X
5.11.9 Config_Halt_Reset ............................................................................ 22
5.11.10 Config_NoSource ............................................................................ 22
5.11.11 Config_Time .................................................................................... 22
5.11.12 Config_Random_Seed .................................................................... 22
5.11.13 Config_Random_Next ..................................................................... 23
5.11.14 Config_Options................................................................................ 23
5.12 Traps ..................................................................................................... 23
5.13 Variable pool......................................................................................... 24
5.13.1 API_Set.............................................................................................. 24
5.13.2 API_Value .......................................................................................... 25
5.13.3 API_Drop ........................................................................................... 25
5.13.4 API_SetDirect .................................................................................... 25
5.13.5 API_ValueDirect ................................................................................ 26
5.13.6 API_DropDirect ................................................................................. 26
5.13.7 API_ValueOther ................................................................................ 26
5.13.8 API_Next ........................................................................................... 27
5.13.9 API_NextVariable .............................................................................. 27
6 Syntax constructs ...................................................................................... 29
6.1 Notation................................................................................................... 29
6.1.1 Backus Normal Form (BNF) ............................................................... 29
6.1.2 Operands ............................................................................................. 29
6.1.3 Operators............................................................................................. 29
6.1.4 Grouping .............................................................................................. 29
6.1.5 BNF syntax definition .......................................................................... 29
6.1.6 Syntactic errors ................................................................................... 30
6.2 Lexical ..................................................................................................... 30
6.2.1 Lexical elements ................................................................................. 30
6.2.1.1 Events ............................................................................................... 30
6.2.1.2 Actions and tokens .......................................................................... 30
6.2.1.3 Source characters ............................................................................ 31
6.2.1.4 Rules................................................................................................. 31
6.2.2 Lexical level ......................................................................................... 31
6.2.3 Interaction between levels of syntax.................................................. 33
6.2.3.1 Reserved symbols ........................................................................... 34
6.2.3.2 Function name syntax ..................................................................... 34
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