https://manual.dengine.net/ 2026-04-16T07:33:51+00:00 https://manual.dengine.net/ https://manual.dengine.net/lib/tpl/dengine/images/favicon.ico text/html 2019-11-20T05:30:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://manual.dengine.net/script/walkthrough/basic_expressions?rev=1574227808&do=diff Reference guide startOperator expressions Basic expressions Numbers and strings All numbers are internally stored as 64-bit floats. $ print 5, 5.5, -3.141592657 5 5.5 -3.14159 Hexadecimal numbers use the “0x” prefix. $ print 0x100, 0X123 256 291 Underscores can be inserted in numbers at any points. This is only to improve readability for humans; the parser ignores them. text/html 2019-11-20T19:29:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://manual.dengine.net/script/walkthrough/exceptions?rev=1574278176&do=diff Statements and compoundsstartRecords Exceptions Try and catch Like in C++, the try and catch keywords are used to begin blocks of code where exceptions can be thrown and processed. If an exception is thrown outside try/catch, it will be uncaught and execution of the script to be aborted. text/html 2022-09-27T04:24:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://manual.dengine.net/script/walkthrough/functions?rev=1664252695&do=diff RecordsstartScopes Functions A function is defined in the current scope using a def statement. def is a compound statement, so it must be either a single-line compound or end must be used in the end. def func1(): pass def func2() end The return statement is used to return a value from a function. text/html 2019-11-21T05:39:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://manual.dengine.net/script/walkthrough/miscellaneous?rev=1574314767&do=diff Scopesstart Miscellaneous Script return value In certain circumstances, it is useful to return a value from the entire script itself, and not just from a function. For example, the argument to eval() is a script whose return value is returned to the caller. The script return value is the final evaluated expression of the script. text/html 2019-11-20T10:24:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://manual.dengine.net/script/walkthrough/operator_expressions?rev=1574245440&do=diff Basic expressionsstartStatements and compounds Operator expressions Addition $ print 'Numbers:', 1 + 1, -.5 + .5 Numbers: 2 0 $ print 'Larger than 32-bit:', \ 0xffffffffff + 0xffffffffff Larger than 32-bit: 2.19902e+12 $ print 'Text:', 'Hello' + 'World' Text: HelloWorld $ print 'Array:', [1, 2, 3] + ['a', 'b', 'c'] Array: [ 1, 2, 3, a, b, c ] $ print 'Dictionary:', \ {1:2, 3:4} + {'a':'b', 'c':'d'} Dictionary: { 1: 2, 3: 4, a: b, c: d } $ print 'Time:', Time() + 3600 Time: 2019-11-19 2… text/html 2019-11-23T19:38:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://manual.dengine.net/script/walkthrough/records?rev=1574537924&do=diff ExceptionsstartFunctions Records Records are the foundation of Doomsday Script. Each namespace and module is a record, each object is a record, and classes are records, too. The ownership model of records is that there is always a single owner for a record, and if that owner gets destroyed, all records owned by it will get destroyed, too. Many records are owned by native code (e.g., built-in modules like text/html 2019-11-25T08:55:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://manual.dengine.net/script/walkthrough/scopes?rev=1574672151&do=diff FunctionsstartMiscellaneous Scopes The following scopes (namespaces) are defined: * Each module has its own global scope. * Each function has its own local scope. * In a class definition, the scope is the class namespace. Global assignment The global assignment := operator inserts variables to the module's global namespace. text/html 2019-11-19T10:55:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://manual.dengine.net/script/walkthrough/start?rev=1574160959&do=diff text/html 2019-11-20T17:30:17+00:00 Anonymous (anonymous@undisclosed.example.com) https://manual.dengine.net/script/walkthrough/statements_and_compounds?rev=1574271017&do=diff Operator expressionsstartExceptions Statements and compounds Structure Statements normally end at a newline character, unless there is a backslash at the end of a line. print 'Statement' print \ 'Statement' Semicolons can be used on one line to separate statements. print 'Statement 1.'; print 'Statement 2.'