parse: lex: add a range of new symbol tokens

bshell/parse/lex/arithmetic.c

@@ -184,6 +184,7 @@ static const unsigned int operators[] = {
 };
 
 static const unsigned int symbols[] = {
+	SYM_BANG,
 	SYM_PLUS,
 	SYM_HYPHEN,
 	SYM_FORWARD_SLASH,

bshell/parse/lex/lex.c

@@ -68,6 +68,7 @@ static struct lex_token_def operators[] = {
 static const size_t nr_operators = sizeof operators / sizeof operators[0];
 
 static struct lex_token_def symbols[] = {
+	SYMBOL_DEF(SYM_BANG, "!", LEX_TOKEN_UNARY_ARITHMETIC),
 	SYMBOL_DEF(SYM_PLUS, "+", LEX_TOKEN_UNARY_ARITHMETIC),
 	SYMBOL_DEF(SYM_HYPHEN, "-", LEX_TOKEN_UNARY_ARITHMETIC),
 	SYMBOL_DEF(SYM_FORWARD_SLASH, "/", 0),

bshell/parse/token.c

@@ -141,12 +141,17 @@ const char *token_symbol_to_string(enum token_symbol sym)
 		ENUM_STR(SYM_SQUOTE);
 		ENUM_STR(SYM_DQUOTE);
 		ENUM_STR(SYM_HASH);
+		ENUM_STR(SYM_COLON_COLON);
 		ENUM_STR(SYM_SEMICOLON);
 		ENUM_STR(SYM_COMMA);
 		ENUM_STR(SYM_DOLLAR);
 		ENUM_STR(SYM_DOLLAR_LEFT_PAREN);
+		ENUM_STR(SYM_DOLLAR_LEFT_BRACE);
+		ENUM_STR(SYM_DOT);
+		ENUM_STR(SYM_DOT_DOT);
 		ENUM_STR(SYM_PIPE);
 		ENUM_STR(SYM_AT);
+		ENUM_STR(SYM_AT_LEFT_PAREN);
 		ENUM_STR(SYM_AT_LEFT_BRACE);
 		ENUM_STR(SYM_LEFT_BRACE);
 		ENUM_STR(SYM_RIGHT_BRACE);
@@ -157,9 +162,11 @@ const char *token_symbol_to_string(enum token_symbol sym)
 		ENUM_STR(SYM_EQUAL);
 		ENUM_STR(SYM_PLUS_EQUAL);
 		ENUM_STR(SYM_HYPHEN_EQUAL);
-		ENUM_STR(SYM_FORWARD_SLASH_EQUAL);
 		ENUM_STR(SYM_ASTERISK_EQUAL);
+		ENUM_STR(SYM_FORWARD_SLASH_EQUAL);
 		ENUM_STR(SYM_PERCENT_EQUAL);
+		ENUM_STR(SYM_QUESTION_DOT);
+		ENUM_STR(SYM_QUESTION_LEFT_BRACKET);
 	default:
 		return "<unknown>";
 	}

bshell/parse/token.h

@@ -77,6 +77,7 @@ enum token_operator {
 enum token_symbol {
 	SYM_NONE = 0,
 	__SYM_INDEX_BASE = 400,
+	SYM_BANG,
 	SYM_PLUS,
 	SYM_HYPHEN,
 	SYM_FORWARD_SLASH,
@@ -86,13 +87,17 @@ enum token_symbol {
 	SYM_SQUOTE,
 	SYM_DQUOTE,
 	SYM_HASH,
+	SYM_COLON_COLON,
 	SYM_SEMICOLON,
 	SYM_COMMA,
 	SYM_DOLLAR,
 	SYM_DOLLAR_LEFT_PAREN,
 	SYM_DOLLAR_LEFT_BRACE,
+	SYM_DOT,
+	SYM_DOT_DOT,
 	SYM_PIPE,
 	SYM_AT,
+	SYM_AT_LEFT_PAREN,
 	SYM_AT_LEFT_BRACE,
 	SYM_LEFT_BRACE,
 	SYM_RIGHT_BRACE,
@@ -106,6 +111,8 @@ enum token_symbol {
 	SYM_ASTERISK_EQUAL,
 	SYM_FORWARD_SLASH_EQUAL,
 	SYM_PERCENT_EQUAL,
+	SYM_QUESTION_DOT,
+	SYM_QUESTION_LEFT_BRACKET,
 	__SYM_INDEX_LIMIT,
 };