diff options
Diffstat (limited to 'servers/visual/shader_language.cpp')
| -rw-r--r-- | servers/visual/shader_language.cpp | 72 |
1 files changed, 58 insertions, 14 deletions
diff --git a/servers/visual/shader_language.cpp b/servers/visual/shader_language.cpp index 5f39d3ff49..1dd6699851 100644 --- a/servers/visual/shader_language.cpp +++ b/servers/visual/shader_language.cpp @@ -3862,14 +3862,13 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map<StringName, Bui return ERR_PARSE_ERROR; } + decl.size = ((uint32_t)tk.constant); tk = _get_token(); if (tk.type != TK_BRACKET_CLOSE) { _set_error("Expected ']'"); return ERR_PARSE_ERROR; } - - decl.size = ((uint32_t)tk.constant); var.array_size = decl.size; } @@ -4022,6 +4021,10 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map<StringName, Bui _set_error("Expected array initialization"); return ERR_PARSE_ERROR; } + if (is_const) { + _set_error("Expected initialization of constant"); + return ERR_PARSE_ERROR; + } } node->declarations.push_back(decl); @@ -4051,6 +4054,11 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map<StringName, Bui tk = _get_token(); node->declarations.push_back(decl); } else { + if (is_const) { + _set_error("Expected initialization of constant"); + return ERR_PARSE_ERROR; + } + VariableDeclarationNode *node = alloc_node<VariableDeclarationNode>(); node->datatype = type; node->precision = precision; @@ -4124,16 +4132,40 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map<StringName, Bui } else { _set_tkpos(pos); //rollback } - } else if (tk.type == TK_CF_WHILE) { - //if () {} + } else if (tk.type == TK_CF_DO || tk.type == TK_CF_WHILE) { + // do {} while() + // while() {} + bool is_do = tk.type == TK_CF_DO; + + BlockNode *do_block = NULL; + if (is_do) { + + do_block = alloc_node<BlockNode>(); + do_block->parent_block = p_block; + + Error err = _parse_block(do_block, p_builtin_types, true, true, true); + if (err) + return err; + + tk = _get_token(); + if (tk.type != TK_CF_WHILE) { + _set_error("Expected while after do"); + return ERR_PARSE_ERROR; + } + } tk = _get_token(); + if (tk.type != TK_PARENTHESIS_OPEN) { _set_error("Expected '(' after while"); return ERR_PARSE_ERROR; } ControlFlowNode *cf = alloc_node<ControlFlowNode>(); - cf->flow_op = FLOW_OP_WHILE; + if (is_do) { + cf->flow_op = FLOW_OP_DO; + } else { + cf->flow_op = FLOW_OP_WHILE; + } Node *n = _parse_and_reduce_expression(p_block, p_builtin_types); if (!n) return ERR_PARSE_ERROR; @@ -4143,18 +4175,30 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map<StringName, Bui _set_error("Expected ')' after expression"); return ERR_PARSE_ERROR; } + if (!is_do) { + 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); - 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, true, true); + if (err) + return err; + } else { - Error err = _parse_block(block, p_builtin_types, true, true, true); - if (err) - return err; + cf->expressions.push_back(n); + cf->blocks.push_back(do_block); + p_block->statements.push_back(cf); + + tk = _get_token(); + if (tk.type != TK_SEMICOLON) { + _set_error("Expected ';'"); + return ERR_PARSE_ERROR; + } + } } else if (tk.type == TK_CF_FOR) { - //if () {} + // for() {} tk = _get_token(); if (tk.type != TK_PARENTHESIS_OPEN) { _set_error("Expected '(' after for"); |