diff options
Diffstat (limited to 'modules/gdscript/gd_compiler.cpp')
| -rw-r--r-- | modules/gdscript/gd_compiler.cpp | 67 |
1 files changed, 66 insertions, 1 deletions
diff --git a/modules/gdscript/gd_compiler.cpp b/modules/gdscript/gd_compiler.cpp index 8e9e94cc48..a5351a584b 100644 --- a/modules/gdscript/gd_compiler.cpp +++ b/modules/gdscript/gd_compiler.cpp @@ -1099,7 +1099,72 @@ Error GDCompiler::_parse_block(CodeGen& codegen,const GDParser::BlockNode *p_blo switch(cf->cf_type) { - + case GDParser::ControlFlowNode::CF_MATCH: { + GDParser::MatchNode *match = cf->match; + + GDParser::IdentifierNode *id = memnew(GDParser::IdentifierNode); + id->name = "#match_value"; + + // var #match_value + // copied because there is no _parse_statement :( + codegen.add_stack_identifier(id->name, p_stack_level++); + codegen.alloc_stack(p_stack_level); + new_identifiers++; + + GDParser::OperatorNode *op = memnew(GDParser::OperatorNode); + op->op=GDParser::OperatorNode::OP_ASSIGN; + op->arguments.push_back(id); + op->arguments.push_back(match->val_to_match); + + int ret = _parse_expression(codegen, op, p_stack_level); + if (ret < 0) { + return ERR_PARSE_ERROR; + } + + // break address + codegen.opcodes.push_back(GDFunction::OPCODE_JUMP); + codegen.opcodes.push_back(codegen.opcodes.size() + 3); + int break_addr = codegen.opcodes.size(); + codegen.opcodes.push_back(GDFunction::OPCODE_JUMP); + codegen.opcodes.push_back(0); // break addr + + for (int j = 0; j < match->compiled_pattern_branches.size(); j++) { + GDParser::MatchNode::CompiledPatternBranch branch = match->compiled_pattern_branches[j]; + + // jump over continue + // jump unconditionally + // continue address + // compile the condition + int ret = _parse_expression(codegen, branch.compiled_pattern, p_stack_level); + if (ret < 0) { + return ERR_PARSE_ERROR; + } + + codegen.opcodes.push_back(GDFunction::OPCODE_JUMP_IF); + codegen.opcodes.push_back(ret); + codegen.opcodes.push_back(codegen.opcodes.size() + 3); + int continue_addr = codegen.opcodes.size(); + codegen.opcodes.push_back(GDFunction::OPCODE_JUMP); + codegen.opcodes.push_back(0); + + + + Error err = _parse_block(codegen, branch.body, p_stack_level, p_break_addr, continue_addr); + if (err) { + return ERR_PARSE_ERROR; + } + + codegen.opcodes.push_back(GDFunction::OPCODE_JUMP); + codegen.opcodes.push_back(break_addr); + + codegen.opcodes[continue_addr + 1] = codegen.opcodes.size(); + } + + codegen.opcodes[break_addr + 1] = codegen.opcodes.size(); + + + } break; + case GDParser::ControlFlowNode::CF_IF: { #ifdef DEBUG_ENABLED |