operator: add script-block pseudo-operator

bshell/operator.c

@@ -18,10 +18,6 @@
 
 /* clang-format off */
 static const struct operator_info operators[] = {
-	OP(SUBEXPR,			PARENTHESIS,	LEFT,	PREFIX,		UNARY),
-	OP(ARRAY_START,			PARENTHESIS,	LEFT,	PREFIX,		UNARY),
-	OP(PAREN,			PARENTHESIS,	LEFT,	PREFIX,		UNARY),
-	OP(HASHTABLE_START,		PARENTHESIS,	LEFT,	PREFIX,		UNARY),
 	OP(ACCESS,			MEMBER_ACCESS,	LEFT,	INFIX,		BINARY),
 	OP(CONDITIONAL_ACCESS,		MEMBER_ACCESS,	LEFT,	INFIX,		BINARY),
 	OP(STATIC_ACCESS,		STATIC_ACCESS,	LEFT,	INFIX,		BINARY),
@@ -73,12 +69,20 @@ static const struct operator_info operators[] = {
 	OP(LEFT_SHIFT,			BITWISE,	LEFT,	INFIX,		BINARY),
 	OP(RIGHT_SHIFT,			BITWISE,	LEFT,	INFIX,		BINARY),
 
-	OP(ASSIGN,			ASSIGN,		LEFT,	INFIX,		BINARY),
-	OP(ADD_ASSIGN,			ASSIGN,		LEFT,	INFIX,		BINARY),
-	OP(SUBTRACT_ASSIGN,		ASSIGN,		LEFT,	INFIX,		BINARY),
-	OP(MULTIPLY_ASSIGN,		ASSIGN,		LEFT,	INFIX,		BINARY),
-	OP(DIVIDE_ASSIGN,		ASSIGN,		LEFT,	INFIX,		BINARY),
-	OP(MODULO_ASSIGN,		ASSIGN,		LEFT,	INFIX,		BINARY),
+	OP(ASSIGN,			ASSIGN,		RIGHT,	INFIX,		BINARY),
+	OP(ADD_ASSIGN,			ASSIGN,		RIGHT,	INFIX,		BINARY),
+	OP(SUBTRACT_ASSIGN,		ASSIGN,		RIGHT,	INFIX,		BINARY),
+	OP(MULTIPLY_ASSIGN,		ASSIGN,		RIGHT,	INFIX,		BINARY),
+	OP(DIVIDE_ASSIGN,		ASSIGN,		RIGHT,	INFIX,		BINARY),
+	OP(MODULO_ASSIGN,		ASSIGN,		RIGHT,	INFIX,		BINARY),
+
+	/* these are not real operators, and are just used internally by the
+	 * parser. */
+	OP(SUBEXPR,			PARENTHESIS,	LEFT,	PREFIX,		UNARY),
+	OP(ARRAY_START,			PARENTHESIS,	LEFT,	PREFIX,		UNARY),
+	OP(PAREN,			PARENTHESIS,	LEFT,	PREFIX,		UNARY),
+	OP(HASHTABLE_START,		PARENTHESIS,	LEFT,	PREFIX,		UNARY),
+	OP(SCRIPTBLOCK,			PARENTHESIS,	LEFT,	PREFIX,		UNARY),
 };
 static const size_t nr_operators = sizeof operators / sizeof operators[0];
 

bshell/operator.h

@@ -104,6 +104,7 @@ enum operator_id {
 	OP_CAST,
 	OP_SUBEXPR,
 	OP_PAREN,
+	OP_SCRIPTBLOCK,
 	OP_ARRAY_START,
 	OP_HASHTABLE_START,
 };