A simple parser for even simpler version of C
data Statement
= Variable Name Type -- Name = Value;
| Assgn Name Name Op Name -- Name = Name Op Name;
| IfElse Comparison [Statement] [Statement] -- if (Comp) {Statements} else {Statements}
| While Comparison [Statement] -- while (Comp) {Statements}
| For Statement Comparison Statement [Statement] -- For (Variable; Comp; Assg;) {Statements}
deriving (Eq, Show)
- accepted syntax follows ^
Statement data
- declaring a variable
Name = Value;- value will be automatically given a type
- Assignment
- IfElse
if (Comparison) {Statements} else {Statements}
- While
while (Comparison) {Statements}
- For
for (Variable; Comparison; Assignment;) {Statements}
- Operand
- Comparison
- use
cabal repl to open an interactive session for the project
- use
run parseStatement "text" to parse given text as a statement
- the parsed text needs to be without newlines
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