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| author | Thakee Nathees <thakeenathees@gmail.com> | 2020-06-04 10:37:22 +0530 |
|---|---|---|
| committer | Thakee Nathees <thakeenathees@gmail.com> | 2020-06-04 10:37:22 +0530 |
| commit | e153772de2a52795aefb2f0c11c69396d04c61d5 (patch) | |
| tree | a475be1937307878049f8ae4777d53e1762d6c9d /modules/gdscript | |
| parent | 2aa46ee4ae252b9cd13e6c8e4ace8a68ee14398b (diff) | |
predefined var check for `for` loop counter
Diffstat (limited to 'modules/gdscript')
| -rw-r--r-- | modules/gdscript/gdscript_parser.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/modules/gdscript/gdscript_parser.cpp b/modules/gdscript/gdscript_parser.cpp index 0e498f6895..985ebbfdb5 100644 --- a/modules/gdscript/gdscript_parser.cpp +++ b/modules/gdscript/gdscript_parser.cpp @@ -3179,6 +3179,15 @@ void GDScriptParser::_parse_block(BlockNode *p_block, bool p_static) { IdentifierNode *id = alloc_node<IdentifierNode>(); id->name = tokenizer->get_token_identifier(); + BlockNode *check_block = p_block; + while (check_block) { + if (check_block->variables.has(id->name)) { + _set_error("Variable \"" + String(id->name) + "\" already defined in the scope (at line " + itos(check_block->variables[id->name]->line) + ")."); + return; + } + check_block = check_block->parent_block; + } + tokenizer->advance(); if (tokenizer->get_token() != GDScriptTokenizer::TK_OP_IN) { |