From 522d1ccd77a7eea0421bcb0dcfa88b601146b6d1 Mon Sep 17 00:00:00 2001 From: Carl Worth Date: Wed, 28 Nov 2012 17:34:36 -0800 Subject: glcpp: Add support for pasting of INTEGER tokens. By generalizing the current code designed to paste string tokens of various types. Reviewed-by: Matt Turner --- src/glsl/glcpp/glcpp-parse.y | 61 ++++++++++++++++++++++++++++++++++---------- 1 file changed, 47 insertions(+), 14 deletions(-) (limited to 'src/glsl/glcpp') diff --git a/src/glsl/glcpp/glcpp-parse.y b/src/glsl/glcpp/glcpp-parse.y index 8f17d0d8ab3..e7daf7fea5c 100644 --- a/src/glsl/glcpp/glcpp-parse.y +++ b/src/glsl/glcpp/glcpp-parse.y @@ -1054,29 +1054,62 @@ _token_paste (glcpp_parser_t *parser, token_t *token, token_t *other) return combined; } - /* Two string-valued tokens can usually just be mashed - * together. + /* Two string-valued (or integer) tokens can usually just be + * mashed together. (We also handle a string followed by an + * integer here as well.) * * There are some exceptions here. Notably, if the first token - * is a string representing an integer, then the second token - * must also be a an integer and must begin with a digit. + * is an integer (or a string representing an integer), then + * the second token must also be an integer or must be a + * string representing an integer that begins with a digit. */ - if ((token->type == IDENTIFIER || token->type == OTHER || token->type == INTEGER_STRING) && - (other->type == IDENTIFIER || other->type == OTHER || other->type == INTEGER_STRING)) + if ((token->type == IDENTIFIER || token->type == OTHER || token->type == INTEGER_STRING || token->type == INTEGER) && + (other->type == IDENTIFIER || other->type == OTHER || other->type == INTEGER_STRING || other->type == INTEGER)) { char *str; + int combined_type; - if (token->type == INTEGER_STRING) { - if (other->type != INTEGER_STRING) - goto FAIL; - if (other->value.str[0] < '0' || - other->value.str[0] > '9') + /* Check that pasting onto an integer doesn't create a + * non-integer, (that is, only digits can be + * pasted. */ + if (token->type == INTEGER_STRING || token->type == INTEGER) + { + switch (other->type) { + case INTEGER_STRING: + if (other->value.str[0] < '0' || + other->value.str[0] > '9') + goto FAIL; + break; + case INTEGER: + if (other->value.ival < 0) + goto FAIL; + break; + default: goto FAIL; + } } - str = ralloc_asprintf (token, "%s%s", token->value.str, - other->value.str); - combined = _token_create_str (token, token->type, str); + if (token->type == INTEGER) + str = ralloc_asprintf (token, "%" PRIiMAX, + token->value.ival); + else + str = ralloc_strdup (token, token->value.str); + + + if (other->type == INTEGER) + ralloc_asprintf_append (&str, "%" PRIiMAX, + other->value.ival); + else + ralloc_strcat (&str, other->value.str); + + /* New token is same type as original token, unless we + * started with an integer, in which case we will be + * creating an integer-string. */ + combined_type = token->type; + if (combined_type == INTEGER) + combined_type = INTEGER_STRING; + + combined = _token_create_str (token, combined_type, str); combined->location = token->location; return combined; } -- cgit v1.2.3