278 lines
5.0 KiB
Bash
278 lines
5.0 KiB
Bash
## COMMENTS ##
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# one-line comments (from prefix to EOL)
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mov $1 42 # comment
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mov $1 42 // comment
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# block comments
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/*
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Block comment
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*/
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/* Also a block comment */
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mov /* Inline block comment */ $1 42
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## DELIMITERS ##
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# `;` acts like a fake newline
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mov $1 42; typ $1; echo $1
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## ESCAPE SEQUENCES AND NUMBER PREFIXES ##
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# quote escaping
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"Here comes a quote: \"Lorem ipsum\". This had to be escaped!"
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"Here comes another quote: 'Lorem ipsum'. This didn't require escaping!"
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# in strings (only those in double quotes)
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"\n" # newline
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"\t" # tab
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"\u2764\ufe0f" # utf-8 for ❤️
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...
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# numbers
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0x10 # hexadecimal: 16
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0o10 # octal: 8
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0b0100 # binary: 4
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## PARSER CONSTANTS ##
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# the parser will replace these constants by their respective values
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# current line number
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__LINE__
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## VARIABLES ##
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# $2 => $1
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move|mov|set $1 $2
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# use $1 from root scope in current scope
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glob|global|pub|public $1
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# use all variables from root scope in current scope
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glob|global|pub|public *
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# vartypes
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null # null (internal: null)
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true|false # bool (internal: boolean)
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eg. -44 27 287634 # num (internal: float)
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eg. 4.0 -3.0 0.125 # num (internal: float)
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eg. "bla" 'blub' # str (internal: string)
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# vartype($1) => $1
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typ|type $1
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# cast $1 to type-string stored in $2 / to num
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cst|cast $1 $2
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cst|cast $1 "num"
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# use contents of a var as var-name
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${$name}
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## BOOLEAN LOGIC ##
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# negate the value stored in $1
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neg|negate|inv|invert $1
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## MATH ##
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# $1 + $2 + ... => $1
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add $1 $2 ...
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# $1 - ($2 + ...) => $1
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sub $1 $2 ...
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# $1 * $2 * ... => $1
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mul $1 $2 ...
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# $1 / ($2 * ...) => $1
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div $1 $2 ...
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# $1 % $2 % ... => $1
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mod $1 $2 ...
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# $1 ^ $2 ^ ... => $1
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pow $1 $2 ...
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# root of $1 (power = $2; if not given: square-root) => $1
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root $1 $2
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# log of $1 (base = $2; if not given: base = 2) => $1
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log $1 $2
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# round to the nearest integer (.000 - .499 => round down; .500 - 0.999 => round up) => $1
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round $1
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# round up to the next integer => $1
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ceil $1
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# round down to the last integer => $1
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floor $1
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# invert the value stored in $1
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neg|negate|inv|invert $1
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## CONDITIONS ##
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# only execute next line if <cond> is true
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if|ifl <cond>
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# value to bool
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$1 # same as `$1 == true`
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!$1 # same as `$1 != true`
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# strongly typed compare
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$1 == $2
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$1 != $2
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# numerical / alphabetical compare
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$1 < $2
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$1 <= $2
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$1 > $2
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$1 >= $2
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## JUMPS ##
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# jump to a flag called "flag1" (flags are stored per-scope)
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jmp|jump|goto "flag1"
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# set flag called "flag1"
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:flag1 | :flag1: | flag1:
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## TEXT IO ##
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# print "blabliblub" in its own line
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drw|draw|echo "bla" "bli" "blub"
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# print "blabliblub", await user response (until newline/enter) and return entered line as $1
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ask $1 "bla" "bli" "blub"
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## GRAPHICAL OUTPUT ##
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# initialize matrix with 16x16
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pxl|pixel|canv|canvas size 16 16 | pxl|pixel|canv|canvas size 16
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# set output resolution to 256x256
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pxl|pixel|canv|canvas res 256 256 | pxl|pixel|canv|canvas res 256
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# enable autodraw
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pxl|pixel|canv|canvas autodraw true
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# set pixel at 2|12 to color #F6F6F6
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pxl|pixel|canv|canvas set 2 12 "F6"
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# update matrix to screen
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pxl|pixel|canv|canvas draw
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## OWN COMMANDS ##
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# - command definitions have their own scopes
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# - they can call other commands
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# - their own vars are private
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# - they can't acces root-scope's vars (except they were made global using `glob`)
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# - args are copied into local scope
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# - args with &-prefix modify corresponding var in global scope
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# the command scope "mycommand1" starts here
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# argument $1 is readonly; $2 is read/write; $3 and $4 are optional and will default to `null`
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def mycommand1 $1 &$2 $3? $4?
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# current command scope ends here
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end
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# call a command called "mycommand1"
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# arg $1 = 42; arg $2 = $test (returned to parent scope)
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mycommand1 42 $test
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## RETURN, END, ETC. ##
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# halt the program
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halt|stop
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# return from command to parent scope
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# halt program in root scope
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exit|return
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## LISTS ##
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# - if a list index is undefined, its value will be `null`
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# set $1 to empty list
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set $1 []
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# set $1 to list
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set $1 [1, 5, 2345]
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# print 2nd element of 4th list
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echo $1[3][1]
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# remove 2nd element (maintaining key association)
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set $1[1] null
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# push element
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set $1[] "blabla" | add $1 "blabla"
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# print last element
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echo $1[-1]
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# remove (and get) last element (keys will be re-ordered)
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pop $1[-1] | pop $1[-1] $2
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# get length of list $2 => $1
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len $1 $2
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## EXTERNAL VALUES ##
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# get unix time => $1
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time $1
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# get formated time => $1
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time $1 "YYYY-MM-DD"
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# get random float between 0.0 and 1.0 => $1
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rnd|rand|random $1
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# get random integer between 0 and 3 => $1
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rnd|rand|random $1 3
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# get random integer between 5 and 13 => $1
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rnd|rand|random $1 5 13
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## STRING MANIPULATION ##
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# get number $1 as string
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cst|cast $1 "str"
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# get utf-8 char with id $1 => $1
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chr $1
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# get length of string $2 => $1
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len $1 $2
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# concat strings $1 + $2 => $1
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add $1 $2 ...
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# get substr 2(-5) of string $1 => $1
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slice|substr $1 2 5 | slice|substr $1 2
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# repeat string $1 3 times => $1
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mul $1 3
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# get position of first occourance of $3 (=needle) in $2 (=haystack) => $1
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# pos >= 0 if found; pos = false if nothing found
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pos|strpos $1 $2 $3
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