Soodocode

Soodocode: a runtime for Cambridge CS (9618) pseudocode syntax.

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Features

Statements

• DECLARE, DEFINE, CONSTANT, Assignment, OUTPUT, INPUT, RETURN, CALL, TYPE
• IF, ELSE, FOR, FOR STEP, WHILE, REPEAT
• CASE OF statements
• Case branch with range
• FUNCTION, PROCEDURE
• CLASS, CLASS INHERITS, Class property, Class procedure, Class function

Operators

• or and equal_to not_equal_to less_than less_than_equal greater_than greater_than_equal not
• add subtract negate multiply divide integer_divide mod
• string_concatenate
• pointer_reference pointer_dereference access

Builtin functions

• LEFT, RIGHT, MID/SUBSTRING, TO_UPPER, TO_LOWER, UCASE, LCASE
• NUM_TO_STR, STR_TO_NUM, IS_NUM, ASC, CHR, INT
• DAY, MONTH, YEAR, DAYINDEX, SETDATE, TODAY/NOW
• LENGTH() on arrays and strings
• RAND

Arrays

• n-dimensional arrays
• Arrays with generic size in function arguments
• Arrays with generic size in class properties
• Arrays with size determined by expressions

Types

• Enums
• Pointers
• Recursive types
• Infinite pointer types
• Records
• Sets

Classes

• Classes
• Public/private class members
• Inheritance
• SUPER in classes

Files

• OPENFILE READFILE WRITEFILE CLOSEFILE statements
• SEEK GETRECORD PUTRECORD statements
• File GUI
• EOF() function

Misc

• Passing by value/reference for all variable types
• Shortened forms (for variable declaration and function arguments)
• Hundreds of error messages
• Typo checking
• Error ranges (underline the exact cause of the error, highlight the area around it)
• Configurable
• Allows any words as identifiers (except pseudocode keywords), including for, __proto__, and hasOwnProperty