文件列表:

Calc/ (0, 2023-10-23)
Calc/Executing/ (0, 2023-10-23)
Calc/Executing/context.dart (4803, 2023-10-23)
Calc/Executing/executer.dart (17833, 2023-10-23)
Calc/Executing/func.dart (8740, 2023-10-23)
Calc/Executing/runner.dart (584, 2023-10-23)
Calc/Executing/value.dart (17943, 2023-10-23)
Calc/Lexing/ (0, 2023-10-23)
Calc/Lexing/lexer.dart (4803, 2023-10-23)
Calc/Lexing/token.dart (482, 2023-10-23)
Calc/Parsing/ (0, 2023-10-23)
Calc/Parsing/Parameter.dart (141, 2023-10-23)
Calc/Parsing/Type.dart (60, 2023-10-23)
Calc/Parsing/block.dart (317, 2023-10-23)
Calc/Parsing/declaration.dart (1955, 2023-10-23)
Calc/Parsing/expression.dart (4757, 2023-10-23)
Calc/Parsing/parser.dart (7120, 2023-10-23)
Calc/Parsing/scriptParser.dart (12214, 2023-10-23)
Calc/Parsing/statement.dart (3963, 2023-10-23)
Calc/error.dart (173, 2023-10-23)
cli.dart (225, 2023-10-23)
cliStd.dart (671, 2023-10-23)
cscStd (4795472, 2023-10-23)
main.dart (365, 2023-10-23)
out/ (0, 2023-10-23)
out/csc (4745936, 2023-10-23)
scripts/ (0, 2023-10-23)
scripts/apply.csc (283, 2023-10-23)
scripts/errors.csc (52, 2023-10-23)
scripts/exponent_mod.csc (232, 2023-10-23)
scripts/factorial.csc (46, 2023-10-23)
scripts/reference.csc (41, 2023-10-23)
scripts/speedTest.csc (169, 2023-10-23)
scripts/square.csc (372, 2023-10-23)
scripts/stdTest.csc (20, 2023-10-23)
scripts/test.csc (520, 2023-10-23)
scripts/testingFuncs.csc (485, 2023-10-23)
standardLibrary/ (0, 2023-10-23)
standardLibrary/apply.csc (283, 2023-10-23)
... ...

# Dart Calculator ## goal The goal of this project is to create a powerful and extendable calculator with a scripting language for custom functions. This project is entirely a command line interface with two parts: a calculator repl that keeps track of a state of the project including user defined functions and variables and a scripting language to add more advanced functionality for the calculator that may persist accross runs. ## scripting language The scripting language has a vaguely python/ruby like syntax but much simpler. Currently it has three data types: numbers, booleans, and strings. you can declare variables without specifying a type and it is a loosely typed language. the language supports if/elif/else, for loops, while loops, and functions ### syntax to print a value to the screen ``` print value ``` to declare a variable 'name' with the value 'value' ``` name = value ``` if/elif/else are done with ``` if (condition) do print "condition one true" end elif (condition2) do print "condition two true" end else do print "no conditions were true" end ``` for loops loop through an array like an enhanced for loop in java or the normal for loop in python ``` for (iterator in [0, 1, 2]) do print iterator end ``` note: to help with for loops, there is a built in range function - range(start, stop step), all parameters are necessary ``` for (i in range(0, 10, 1)) do print i ^ 2 end ``` prints 0-10 not inclusive squared while loops do with: ``` while(condition) do end ``` ``` i = 5 while(i > 0) do print i i = i - 1 end ``` prints 5 4 3 2 1 with new lines ### functions functions are declared as ``` fun name(type parameter1, type parameter2) do end fun factorial(number n) do if (n <= 2) do return n end return n * factorial(n - 1) end print factorial(5) ``` you can pass in a variable to the first argument of a function lile this ``` arr = [0, 1, 2] fun print(array a) do for (element in a) do print a end end arr.print() ``` which is equivalent to ``` print(arr) ``` which is handy for some array functions to make it a little nicer. ### expressions 1 + 2 - 3 \* 4 / 2 ^ 2 evaluates with normal order of operations as 2 supports >, <, >=, <=, ==, !=, ||, && for booleans the language supports the ternary operator ``` condition ? onTrue : onFalse ``` this should return around 3 ``` sin(3.1415 / 2) * 3 ``` when you use a math operation on an array, it does that operation element wise ``` arr = [0, 1, 2] print arr + 1 ``` prints [1, 2, 3] ### current implemented functions generates a range range(number start, number stop, number step) -> array sin in radians sin(number x) -> number cos in radians cos(number x) -> number tan in radians tan(number x) -> number returns the provided array with the provided value appended, does not modify the array add(array arr, any value) -> array returns length of provided array arr len(array arr) -> number returns element at index from array arr get(array arr, number index) -> any sets element at index to val returning new array, does not modify the array set(array arr, number index, any val) -> array returns the type of the provided value: - number - boolean - string - array - null typeof(any value) -> string

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