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| author | Cody <cody@codyq.dev> | 2023-04-08 14:46:57 -0500 |
|---|---|---|
| committer | Cody <cody@codyq.dev> | 2023-04-08 14:46:57 -0500 |
| commit | ac7d2a187bff55ddda5e22e1cbda1090ff8d0a1f (patch) | |
| tree | 7b04e6b20dff06e69b35a10788e0c12c8d89fc45 /documentation | |
| parent | 6e218c3fcde07f7b6c3111a8d6d915bc9292e07e (diff) | |
| download | sloth-ac7d2a187bff55ddda5e22e1cbda1090ff8d0a1f.tar.gz | |
Progress
Diffstat (limited to 'documentation')
| -rw-r--r-- | documentation/grammar.txt | 57 | ||||
| -rw-r--r-- | documentation/order.txt | 18 |
2 files changed, 75 insertions, 0 deletions
diff --git a/documentation/grammar.txt b/documentation/grammar.txt new file mode 100644 index 0000000..1217751 --- /dev/null +++ b/documentation/grammar.txt @@ -0,0 +1,57 @@ +### Statements + +expr_statment : expression ( ";" | "\n" ) + +### Expressions + +expression : logical_or + +### Operators + +logical_or : logical_and ( "||" logical_and )* +logical_and : equality ( "&&" equality )* + +equality : comparison ( ( "==" | "!=" ) comparison )* +comparison : bitwise_or ( ( "<=" | ">=" | "<" | ">" ) bitwise_or )* + +bitwise_or : bitwise_xor ( "|" bitwise_xor )* +bitwise_xor : bitwise_and ( "^" bitwise_and )* +bitwise_and : bitwise_shift ( "&" bitwise_shift )* +bitwise_shift : additive ( ( "<<" | ">>" ) additive )* + +additive : multiplicative ( ( "+" | "++" | "-" ) multiplicative )* +multiplicative : unary ( ( "*" | "**" | "/" | "%" ) unary )* +unary : ( "!" | "-" | "~" ) unary | call + +call : primary ( "(" ( primary "," )* primary? ")" )* + +primary : identifier + | literal + | "(" expression ")" + +### Types + +identifier : ( ALPHA | "_" | "$" ) ( ALPHANUMERIC | "_" | "$" )* +literal : string + | char + | float + | int + | boolean + +string : '"' ALPHANUMERIC* '"' +char : "'" ALPHANUMERIC "'" +float : NUMERIC "." NUMERIC* +int : NUMERIC+ +boolean : "true" | "false" + +### Primitives + +ALPHANUMERIC = ALPHA | NUMERIC +NUMERIC = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" +ALPHA = "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" | "I" | "J" + | "K" | "L" | "M" | "N" | "O" | "P" | "Q" | "R" | "S" | "T" + | "U" | "V" | "W" | "X" | "Y" | "Z" | "a" | "b" | "c" | "d" + | "e" | "f" | "g" | "h" | "i" | "j" | "k" | "l" | "m" | "n" + | "o" | "p" | "q" | "r" | "s" | "t" | "u" | "v" | "w" | "x" + | "y" | "z" + diff --git a/documentation/order.txt b/documentation/order.txt new file mode 100644 index 0000000..8727306 --- /dev/null +++ b/documentation/order.txt @@ -0,0 +1,18 @@ +| Name | Operators | Associates | +| -------------- | --------- | ---------- | +| parentheses | () | Left | +| member access | . ! !! ?. | Left | +| defaulting | ?: | Right | +| function call | () | Left | +| unary | ! - ~ | Right | +| multiplicative | * / % | Left | +| additive | + - | Left | +| bitwise shift | << >> | Left | +| comparison | < > <= >= | Left | +| equality | == != | Left | +| bitwise and | & | Left | +| bitwise xor | ^ | Left | +| bitwise or | | | Left | +| logical and | && | Left | +| logical or | || | Left | + |
