[cpp] now that string literals are a thing, added set_output_name i…

…n buildmeta

cpp/src/build.cpp

@@ -28,10 +28,16 @@ void set_build_type(std::int64_t build_type_value)
 	cur_build_info->config = static_cast<build::config_type>(build_type_value);
 }
 
+void set_output_name(const char* name)
+{
+	cur_build_info->link_name = name;
+}
+
 void install_functions(llvm::ExecutionEngine& exe)
 {
 	exe.addGlobalMapping("set_linkage_type", reinterpret_cast<std::uintptr_t>(&set_linkage_type));
 	exe.addGlobalMapping("set_build_type", reinterpret_cast<std::uintptr_t>(&set_build_type));
+	exe.addGlobalMapping("set_output_name", reinterpret_cast<std::uintptr_t>(&set_output_name));
 }
 
 
@@ -205,6 +211,24 @@ namespace build
 				.is_extern = true
 			}
 		});
+		ret.root.children.push_back(ast::node
+		{
+			.payload = ast::function_definition
+			{
+				.func_name = "set_output_name",
+				.params =
+				{
+					ast::variable_declaration
+					{
+						.var_name = "outname",
+						.type_name = "i8&",
+						.initialiser = ast::expression{.expr = ast::null_literal{}}
+					},
+				},
+				.ret_type = "u0",
+				.is_extern = true
+			}
+		});
 
 		// same with some globals.
 		for(int i = 0; i < (int)build::linkage_type::_count; i++)

cpp/src/parse.cpp

@@ -251,6 +251,22 @@ namespace parse
 						maybe_expr = ast::expression{.expr = maybe_decimal_literal.value()};
 						return maybe_expr;
 					}
+					this->undo();
+					// char literal
+					auto maybe_char_literal = this->retrieve<ast::char_literal>();
+					if(maybe_char_literal.has_value())
+					{
+						maybe_expr = ast::expression{.expr = maybe_char_literal.value()};
+						return maybe_expr;
+					}
+					this->undo();
+					// string literal
+					auto maybe_string_literal = this->retrieve<ast::string_literal>();
+					if(maybe_string_literal.has_value())
+					{
+						maybe_expr = ast::expression{.expr = maybe_string_literal.value()};
+						return maybe_expr;
+					}
 				}
 				return maybe_expr;
 			}

samples/scratchpad.psy

@@ -94,4 +94,5 @@ main :: () -> i64
 {
 	set_build_type(debug);
 	set_linkage_type(executable);
+	set_output_name("scratchpad.exe");
 }