Implement expression-less return statements #70

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deavmi · 2022-12-21T09:06:39Z

deavmi commented

2022-12-21 09:06:39 +00:00

What is it?

Implement the ability to just do return with no expression (in the context of a void) method.

What would we need?

Lookahead in the parser
hasExpression() method in ReturnStmt
Dependency check for the expression using hasExpression() such that we know whether or not to pop from the codeQueue
ReturnInstr must have a hasExpressionInstr() such that we can yank it out and call transform(Instruction) on it as part of the transform(ReturnInstr) of "return "~transform(ReturnExprInstr)~";"
DGen to respect new ReturnInstruction API

## What is it? Implement the ability to just do `return` with no expression (in the context of a `void`) method. ## What would we need? - [x] Lookahead in the parser - [x] `hasExpression()` method in `ReturnStmt` - [x] Dependency check for the expression using `hasExpression()` such that we know whether or not to pop from the `codeQueue` - [x] `ReturnInstr` must have a `hasExpressionInstr()` such that we can yank it out and call `transform(Instruction)` on it as part of the `transform(ReturnInstr)` of `"return "~transform(ReturnExprInstr)~";"` - [x] `DGen` to respect new `ReturnInstruction` API

deavmi added the

labels 2022-12-21 09:11:40 +00:00

deavmi self-assigned this 2022-12-21 09:11:43 +00:00

deavmi added this to the Basics milestone 2022-12-21 09:11:46 +00:00

deavmi added this to the Dependency tree, type-checking and codegen project 2022-12-21 09:11:51 +00:00

deavmi added the due date 2023-07-21

2023-07-13 12:59:58 +01:00

deavmi commented