diff options
| -rw-r--r-- | src/glsl/glcpp/glcpp-lex.l | 8 | ||||
| -rw-r--r-- | src/glsl/glcpp/glcpp-parse.y | 10 | ||||
| -rw-r--r-- | src/glsl/glcpp/tests/136-plus-plus-and-minus-minus.c | 8 | ||||
| -rw-r--r-- | src/glsl/glcpp/tests/136-plus-plus-and-minus-minus.c.expected | 8 |
4 files changed, 33 insertions, 1 deletions
diff --git a/src/glsl/glcpp/glcpp-lex.l b/src/glsl/glcpp/glcpp-lex.l index 466f438605..d0894c1515 100644 --- a/src/glsl/glcpp/glcpp-lex.l +++ b/src/glsl/glcpp/glcpp-lex.l @@ -469,6 +469,14 @@ HEXADECIMAL_INTEGER 0[xX][0-9a-fA-F]+[uU]? RETURN_TOKEN (OR); } +"++" { + RETURN_TOKEN (PLUS_PLUS); +} + +"--" { + RETURN_TOKEN (MINUS_MINUS); +} + "##" { if (! parser->skipping) { if (parser->is_gles) diff --git a/src/glsl/glcpp/glcpp-parse.y b/src/glsl/glcpp/glcpp-parse.y index 38d84046d5..bc873cd99f 100644 --- a/src/glsl/glcpp/glcpp-parse.y +++ b/src/glsl/glcpp/glcpp-parse.y @@ -171,7 +171,7 @@ add_builtin_define(glcpp_parser_t *parser, const char *name, int value); /* We use HASH_TOKEN, DEFINE_TOKEN and VERSION_TOKEN (as opposed to * HASH, DEFINE, and VERSION) to avoid conflicts with other symbols, * (such as the <HASH> and <DEFINE> start conditions in the lexer). */ -%token COMMA_FINAL DEFINED ELIF_EXPANDED HASH_TOKEN DEFINE_TOKEN FUNC_IDENTIFIER OBJ_IDENTIFIER ELIF ELSE ENDIF ERROR IF IFDEF IFNDEF LINE PRAGMA UNDEF VERSION_TOKEN GARBAGE IDENTIFIER IF_EXPANDED INTEGER INTEGER_STRING LINE_EXPANDED NEWLINE OTHER PLACEHOLDER SPACE +%token COMMA_FINAL DEFINED ELIF_EXPANDED HASH_TOKEN DEFINE_TOKEN FUNC_IDENTIFIER OBJ_IDENTIFIER ELIF ELSE ENDIF ERROR IF IFDEF IFNDEF LINE PRAGMA UNDEF VERSION_TOKEN GARBAGE IDENTIFIER IF_EXPANDED INTEGER INTEGER_STRING LINE_EXPANDED NEWLINE OTHER PLACEHOLDER SPACE PLUS_PLUS MINUS_MINUS %token PASTE %type <ival> INTEGER operator SPACE integer_constant %type <expression_value> expression @@ -742,6 +742,8 @@ operator: | ',' { $$ = ','; } | '=' { $$ = '='; } | PASTE { $$ = PASTE; } +| PLUS_PLUS { $$ = PLUS_PLUS; } +| MINUS_MINUS { $$ = MINUS_MINUS; } ; %% @@ -1162,6 +1164,12 @@ _token_print (char **out, size_t *len, token_t *token) case PASTE: ralloc_asprintf_rewrite_tail (out, len, "##"); break; + case PLUS_PLUS: + ralloc_asprintf_rewrite_tail (out, len, "++"); + break; + case MINUS_MINUS: + ralloc_asprintf_rewrite_tail (out, len, "--"); + break; case COMMA_FINAL: ralloc_asprintf_rewrite_tail (out, len, ","); break; diff --git a/src/glsl/glcpp/tests/136-plus-plus-and-minus-minus.c b/src/glsl/glcpp/tests/136-plus-plus-and-minus-minus.c new file mode 100644 index 0000000000..167d3c8a3c --- /dev/null +++ b/src/glsl/glcpp/tests/136-plus-plus-and-minus-minus.c @@ -0,0 +1,8 @@ +/* The body can include C expressions with ++ and -- */ +a = x++; +b = ++x; +c = x--; +d = --x; +/* But these are not legal in preprocessor expressions. */ +#if x++ > 4 +#endif diff --git a/src/glsl/glcpp/tests/136-plus-plus-and-minus-minus.c.expected b/src/glsl/glcpp/tests/136-plus-plus-and-minus-minus.c.expected new file mode 100644 index 0000000000..137921b169 --- /dev/null +++ b/src/glsl/glcpp/tests/136-plus-plus-and-minus-minus.c.expected @@ -0,0 +1,8 @@ +0:7(12): preprocessor error: syntax error, unexpected PLUS_PLUS + +a = x++; +b = ++x; +c = x--; +d = --x; + + |