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JustAnotherJAPL
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Improved error handling for declarations inside functions

This commit is contained in:
Nocturn9x 2021-11-16 13:32:12 +01:00
parent 7194e937fb
commit 3b08932403
1 changed files with 6 additions and 2 deletions
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8
src/backend/parser.nim
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@ -735,8 +735,8 @@ proc forStmt(self: Parser): ASTNode =
self.expect(RightParen, "unterminated for loop condition")
var body = self.statement()
if increment != nil:
# The increment runs at each iteration, so we
# inject it into the block as the first statement
# The increment runs after each iteration, so we
# inject it into the block as the last statement
body = newBlockStmt(@[body, increment], tok)
if condition == nil:
## An empty condition is functionally
@ -778,6 +778,10 @@ proc varDecl(self: Parser, isStatic: bool = true, isPrivate: bool = true): ASTNo
keyword = "constant"
else:
keyword = "variable"
if not isStatic and self.currentFunction != nil:
self.error("dynamic declarations are illegal inside functions")
if not isPrivate and self.currentFunction != nil:
self.error("public declarations are illegal inside functions")
self.expect(Identifier, &"expecting {keyword} name after '{varKind.lexeme}'")
var name = newIdentExpr(self.peek(-1))
if self.match(Equal):