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Improve error handling for missing semicolon separators in a for loop

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This commit is contained in:
gingerBill
2021-08-22 11:27:24 +01:00
parent 01a888fced
commit 93b5befe45
2 changed files with 36 additions and 14 deletions
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core/odin/parser/parser.odin
+18 -6
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@@ -848,12 +848,24 @@ parse_for_stmt :: proc(p: ^Parser) -> ^ast.Stmt {
if !is_range && parse_control_statement_semicolon_separator(p) {
init = cond;
cond = nil;
if p.curr_tok.kind != .Semicolon {
cond = parse_simple_stmt(p, nil);
}
expect_semicolon(p, cond);
if p.curr_tok.kind != .Open_Brace && p.curr_tok.kind != .Do {
post = parse_simple_stmt(p, nil);
if f.curr_tok.kind == .Open_Brace || f.curr_tok.kind == .Do {
error(p, f.curr_tok.pos, "Expected ';', followed by a condition expression and post statement, got %s", token.tokens[f.curr_tok.kind]);
} else {
if p.curr_tok.kind != .Semicolon {
cond = parse_simple_stmt(p, nil);
}
if p.curr_tok.text != ";" {
error(p, p.curr_tok.pos, "Expected ';', got %s", tokenizer.token_to_string(p.curr_tok));
} else {
expect_semicolon(p, nil);
}
if p.curr_tok.kind != .Open_Brace && p.curr_tok.kind != .Do {
post = parse_simple_stmt(p, nil);
}
}
}
}