diff options
Diffstat (limited to 'servers/visual/shader_language.cpp')
| -rw-r--r-- | servers/visual/shader_language.cpp | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/servers/visual/shader_language.cpp b/servers/visual/shader_language.cpp index 9fe92f0fec..319351f8ec 100644 --- a/servers/visual/shader_language.cpp +++ b/servers/visual/shader_language.cpp @@ -3185,7 +3185,7 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map<StringName, Dat tk = _get_token(); if (tk.type != TK_PARENTHESIS_CLOSE) { - _set_error("Expected '(' after expression"); + _set_error("Expected ')' after expression"); return ERR_PARSE_ERROR; } @@ -3196,6 +3196,8 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map<StringName, Dat p_block->statements.push_back(cf); Error err = _parse_block(block, p_builtin_types, true, p_can_break, p_can_continue); + if (err) + return err; pos = _get_tkpos(); tk = _get_token(); @@ -3209,6 +3211,35 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map<StringName, Dat } else { _set_tkpos(pos); //rollback } + } else if (tk.type == TK_CF_WHILE) { + //if () {} + tk = _get_token(); + if (tk.type != TK_PARENTHESIS_OPEN) { + _set_error("Expected '(' after if"); + return ERR_PARSE_ERROR; + } + + ControlFlowNode *cf = alloc_node<ControlFlowNode>(); + cf->flow_op = FLOW_OP_WHILE; + Node *n = _parse_and_reduce_expression(p_block, p_builtin_types); + if (!n) + return ERR_PARSE_ERROR; + + tk = _get_token(); + if (tk.type != TK_PARENTHESIS_CLOSE) { + _set_error("Expected ')' after expression"); + return ERR_PARSE_ERROR; + } + + BlockNode *block = alloc_node<BlockNode>(); + block->parent_block = p_block; + cf->expressions.push_back(n); + cf->blocks.push_back(block); + p_block->statements.push_back(cf); + + Error err = _parse_block(block, p_builtin_types, true, p_can_break, p_can_continue); + if (err) + return err; } else if (tk.type == TK_CF_RETURN) { |