precedence

src/parser.y

@@ -24,12 +24,41 @@
 
 %parse-param { Scanner* scanner }
 
-%token <std::string> IDENTIFIER
+// ---------------------- Semantic tokens ----------------------
-%token <std::string> STRING
+%token <std::string> IDENTIFIER STRING
 %token <int> NUMBER
-%token ASSIGN PLUS MINUS L_PAREN R_PAREN COLON EQ NE LT GT LTE GTE MULTIPLY DIVIDE MODULO L_BRACKET L_BRACE R_BRACKET R_BRACE DOT SEMICOLON COMMA BIT_NOT BIT_AND BIT_OR BIT_XOR LSHIFT RSHIFT PLUS_ASSIGN MINUS_ASSIGN MULTIPLY_ASSIGN DIVIDE_ASSIGN MODULO_ASSIGN BIT_AND_ASSIGN BIT_OR_ASSIGN BIT_XOR_ASSIGN LSHIFT_ASSIGN RSHIFT_ASSIGN
+
-%token KW_DEF KW_IF KW_RETURN KW_FOR KW_IN KW_NOT KW_AND KW_OR KW_PASS KW_ELSE KW_ELIF KW_CLASS
+// ---------------------- Keywords ----------------------
-%token EOF NEWLINE INDENT DEDENT
+%left KW_OR
+%left KW_AND
+%right KW_NOT          // unary logical NOT
+%token KW_DEF KW_IF KW_RETURN KW_FOR KW_IN KW_PASS KW_ELSE KW_ELIF KW_CLASS
+
+// ---------------------- Structure / punctuation ----------------------
+%token L_PAREN R_PAREN L_BRACKET R_BRACKET L_BRACE R_BRACE
+%token DOT COLON SEMICOLON COMMA
+%token INDENT DEDENT NEWLINE EOF
+
+// ---------------------- Operators ----------------------
+// Bitwise
+%left BIT_OR
+%left BIT_XOR
+%left BIT_AND
+%left LSHIFT RSHIFT
+%token BIT_NOT
+
+// Comparison
+%nonassoc EQ NE LT LTE GT GTE
+
+// Arithmetic
+%left PLUS MINUS
+%left MULTIPLY DIVIDE MODULO
+%right UMINUS         // unary minus
+
+// Assignment (right-associative)
+%right ASSIGN PLUS_ASSIGN MINUS_ASSIGN MULTIPLY_ASSIGN DIVIDE_ASSIGN MODULO_ASSIGN
+%right BIT_AND_ASSIGN BIT_OR_ASSIGN BIT_XOR_ASSIGN LSHIFT_ASSIGN RSHIFT_ASSIGN
+
 
 
 %%