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quara

v0.10.11

Published

Query as Sara.

Downloads

46

Readme

Quara - GitHub license Version size

Query as Sara

Don't use this in production: I may introduce breaking changes until version 1.0.0.

Programming language interpreted by JavaScript to preprocess text files like email templates.

About

  • Supported comments:
    • Line comments: // ...
    • Block comments: /* ... */
  • Supported operators:
    • +, -, *, /, %, ^, ¬/
    • =, +=, -=, *=, /=, %=, ^=
    • !, ==, !=, ~=, !~=, <, >, <=, >=, &&, ||
    • not, eq, ne, leq, lne, lt, gt, lte, gte, and, or
    • $not, $eq, $ne, $leq, $lne, $lt, $gt, $lte, $gte, $and, $or
    • (, )
    • ++, -- (as pre-increment and pre-decrement)
    • ., [, ]
    • .. (inclusive range operator)
    • ..< (exclusive range operator)
    • {, }
    • , (Comma)
    • ;, :
    • ->
    • ", `, \
    • in, $in
    • /if, /while, /for, /fn, /struct, /class, /interface, /enum
  • Supported types:
    • Booleans.
    • Integer and decimal numbers.
    • Strings.
    • Objects, arrays.
  • Variables.
  • Reserved keywords:
    • true, false
    • const, var
    • any, char, int, float, double, string, bool
    • if, else
    • while,
    • for,
    • fn, return,
    • null
    • enum
    • struct,
    • class, extends
    • get, set
    • static, abstract, final, virtual
    • private, public, protected
    • interface, implements

Variables and constants

var a = 14.10;
const b = "Query as Sara";
c = true; // var is optional unless you want to override an outer variable.

Objects

WIP: The operator ":" could be replaced by "=".

obj = {
  key1: 1,
  key2: 2
};
key = "key3";
print(obj.{key});
obj.{key} = 4;

Arrays

list = [1, 2, 3, 4, 5];
list.length; // 5
print(list[0]);
num = 2;
print(list[num]);
list[4] = 6;
list[num] = 7;
list.{4} = 6;

// TODO: Add support for this?
list.2 = 5;

Control

If/else

if condition {
  // ...
}
else if condition {
  // ...
}
else {
  // ...
}

if c {r}
else if c2 {r2}
else {r3}

if c -> r
else if c2 -> r2
else -> r3

While

while condition {
  // ...
}

while c {r}
while c: r /while;
while c -> r

For

for value, index in list {
  // ...
}

for list {...}
for value in list {...}
for value, index in list {...}

for list: ... /for;
for value in list: ... /for;
for value, index in list: ... /for;

for list -> /* One statement */;
for value in list -> /* One statement */;
for value, index in list -> /* One statement */;

List could be a range in any of the forms:

for i in 0..5 {
  // ...
}

Functions

fn sum(a, b) {
  return a + b;
}

Text processor/templates

`Hola` // Hola

Assign the output to a variable:

name = "Sara";
text = `Hola, {name}`; // Hola Sara

Coding:

name = "Sara";
text = `Hola, {name += " V."; name}`; // Hola Sara V.

variables:

name = "Sara";
`Hola, {name}` // Hola Sara

if/else statements:

name = "Sara";
useName = true;
`
  Hola
  {if useName:}
    , {name}
  {else:}
    !
  {/if}
`

While loops:

i = 0;
`
  {while i < 5:}
    {i}
    {i = i + 1}
  {/while}
`

Standard functions

contains
isNaN

// String:
length
split
join
upperCase
lowerCase
trim

// Math:
abs
ceil
floor
round
trunc
max
min
fixed

// Types:
isNumber
isDecimal
isInteger
isString
isBoolean
isObject
isArray
help
log
print
hi

Pending

  • Regular expressions
  • break and continue

Objects

k = "key1";
obj = {
  {k}: 1,
  {"key2"}: 2
};

References and special thanks

License

Quara © 2024 by Bernardo Alemán Siverio (wandeber) is licensed under CC BY-ND 4.0