до реализации мат выражений

analyzers/test/test.l

@@ -33,10 +33,15 @@ LETTER_OR_DIGIT [a-zA-Z0-9_]
 "int64"                { return INT64; }
 
 "var"                  { return VAR; }
+"func"                 { return FUNC; }
+"return"               { return RETURN; }
 ":="                   { return SHORT_DECLARATION; }
 "="                    { return ASSIGN; }
 "{"                    { return LBRACE; }
 "}"                    { return RBRACE; }
+"("                    { return LPAREN; }
+")"                    { return RPAREN; }
+","                    { return COMMA; }
 ";"                    { return SEMICOLON; }
 
 \"([^"\\]|\\.)*\"      { // правило для строк с возможность экранирования через \спецсимвол

analyzers/test/test.y

@@ -20,15 +20,15 @@ void free_node(char *str) {
 }
 
 %token <str> IDENTIFIER NUMBER TEXT STRING_LITERAL FLOAT_LITERAL
-%token SHORT_DECLARATION LBRACE RBRACE SEMICOLON ASSIGN
-%token VAR
+%token SHORT_DECLARATION LBRACE RBRACE SEMICOLON ASSIGN LPAREN RPAREN COMMA
+%token VAR FUNC RETURN
 
 %token STRING
 %token UINT UINT8 UINT16 UINT32 UINT64
 %token INT INT8 INT16 INT32 INT64
 
-
-%type <str> expr declaration literal
+%type <str> var_declaration literal type int_types string_types
+%type <str> arg_declaration return_type
 
 %%
 
@@ -38,7 +38,8 @@ program:
 
 statement:
     expr SEMICOLON
-    | declaration SEMICOLON
+    | var_declaration SEMICOLON
+    | func_declaration
     | block
     ;
 
@@ -51,61 +52,91 @@ statements_list:
     ;
 
 expr:
-    // IDENTIFIER SHORT_DECLARATION NUMBER {
-    //     printf("Short declaration: %s := %s\n", $1, $3);
-    //     free_node($1);
-    //     free_node($3);
-    // }
+    // return 
+    RETURN literal
+    | RETURN IDENTIFIER
+    //
+    | IDENTIFIER ASSIGN literal
+    | IDENTIFIER ASSIGN IDENTIFIER
     ;
 
-// Типы
-// Группирует все возможные типы
 int_types:
-    UINT
-    | UINT8
-    | UINT16
-    | UINT32
-    | UINT64
-    | INT
-    | INT8
-    | INT16
-    | INT32
-    | INT64
+    UINT { $$ = strdup("uint"); }
+    | UINT8 { $$ = strdup("uint8"); }
+    | UINT16 { $$ = strdup("uint16"); }
+    | UINT32 { $$ = strdup("uint32"); }
+    | UINT64 { $$ = strdup("uint64"); }
+    | INT { $$ = strdup("int"); }
+    | INT8 { $$ = strdup("int8"); }
+    | INT16 { $$ = strdup("int16"); }
+    | INT32 { $$ = strdup("int32"); }
+    | INT64 { $$ = strdup("int64"); }
     ;
 
 string_types:
-    STRING
+    STRING { $$ = strdup("string"); }
     ;
 
 type:
-    int_types
-    | string_types
+    int_types { $$ = $1; }
+    | string_types { $$ = $1; }
     ;
-//
 
-// Литералы 
 literal:
-    STRING_LITERAL
-    | FLOAT_LITERAL
-    | NUMBER
+    STRING_LITERAL { $$ = $1; }
+    | FLOAT_LITERAL { $$ = $1; }
+    | NUMBER { $$ = $1; }
+    ;
+
+// Объявление функций
+arg_declaration:
+    IDENTIFIER type {
+        $$ = $2; // Возвращаем только тип
+        printf("Argument: %s %s\n", $1, $2);
+        free_node($1);
+    }
+    ;
+
+arg_list:
+    | arg_declaration
+    | arg_list COMMA arg_declaration
+    ;
+
+// тип
+return_type:
+    /* empty */ { $$ = NULL; }
+    | type { $$ = $1; }
+    ;
+
+func_declaration:
+    FUNC IDENTIFIER LPAREN arg_list RPAREN return_type block {
+        printf("Function declaration: %s with return type %s\n", $2, $6 ? $6 : "void");
+        free_node($2);
+        if ($6) free_node($6);
+    }
     ;
 //
 
-declaration:
+// Объявление переменных
+var_declaration:
     IDENTIFIER SHORT_DECLARATION literal {
         printf("Short declaration: %s := %s\n", $1, $3);
         free_node($1);
         free_node($3);
     }
     | VAR IDENTIFIER type {
-        printf("Variable declaration: var %s type\n", $2);
+        printf("Variable declaration: var %s %s\n", $2, $3);
         free_node($2);
+        free_node($3);
     }
     | VAR IDENTIFIER type ASSIGN literal {
-        printf("Var with assign declaration: var %s type = %s\n", $2, $5);
+        printf("Var with assign declaration: var %s %s = %s\n", $2, $3, $5);
         free_node($2);
+        free_node($3);
+        free_node($5);
     }
     ;
+//
 
 %%
 

tests/main.go

@@ -2,6 +2,11 @@ package main
 
 import "fmt"
 
+func test(a string, b int) int {
+
+}
+
 func main() {
+	test("123", 2)
 	fmt.Println("hello, sailor!")
 }

tests/test_blocks.txt

@@ -1,8 +1,25 @@
+
+func test_func(a string, b int, c uint16) int {
+    var x int = 42;
+    y := "hello";
+}
+
+func func_without_args() int {
+    return 1;
+}
+
+func func_without_return_type(a string) {
+    return a;
+}
+
 a := 1;
 {
 
     a := 229.162613;
 
+    a = 1;
+    a = s;
+
     s := "test string";
 
     var a int;