добавил struct type

analyzers/test/test.l

@@ -72,6 +72,7 @@ LETTER_OR_DIGIT        [a-zA-Z0-9_]
 "++"                   { return INC; }
 "--"                   { return DEC; }
 
+"struct"               { return STRUCT; }
 "type"                 { return TYPE; }
 "go"                   { return GO; }
 "defer"                { return DEFER; }

analyzers/test/test.y

@@ -25,7 +25,7 @@ void free_node(char *str) {
 %token VAR FUNC RETURN STRING_LITERAL FLOAT_LITERAL COMPLEX_LITERAL NUMBER PACKAGE IMPORT
 %token INC DEC PLUS_EQ MINUS_EQ MUL_EQ DIV_EQ MOD_EQ
 %token AMPERSAND_EQ PIPE_EQ XOR_EQ LSHIFT_EQ RSHIFT_EQ AND_NOT_EQ
-%token FOR BREAK CONTINUE ARROW IF ELSE RANGE DEFER GO TYPE
+%token FOR BREAK CONTINUE ARROW IF ELSE RANGE DEFER GO TYPE STRUCT
 %token CHAN CONST CASE SWITCH
 %token PLUS MINUS MULT DIV MOD
 %token STRING
@@ -251,6 +251,10 @@ log_expr:
 
 // types
 
+struct_types:
+    STRUCT LBRACE field_list RBRACE
+    ;
+
 bool_types:
     BOOL
 
@@ -284,6 +288,7 @@ func_types:
 
 type:
     int_types { }
+    | struct_types {  }
     | func_types {  }
     | string_types {  }
     | float_types {  }
@@ -364,6 +369,13 @@ func_declaration:
     ;
 //
 
+// struct
+field_list:
+    | arg_declaration
+    | field_list SEMICOLON arg_declaration
+    ;
+//
+
 // vars decl
 var_multiple_short_declaration:
     identifiers_list SHORT_DECLARATION math_expr_or_literals_list

tests/main.go

@@ -5,6 +5,14 @@ import (
 	"log"
 )
 
+type person struct {
+	name, second_name string
+	age               int
+}
+
+type epmty struct {
+}
+
 func test(int, int) {
 
 }

tests/test_types.txt

@@ -3,3 +3,12 @@ import "fmt";
  
 type mile uint;
 type BinaryOp func(int, int) int;
+
+type empty struct{
+};
+
+type person struct{
+    name, second_name string;
+    age int;
+    work func()
+};