diff options
Diffstat (limited to 'src/compiler/glsl/glcpp')
| -rw-r--r-- | src/compiler/glsl/glcpp/glcpp-parse.y | 25 | ||||
| -rw-r--r-- | src/compiler/glsl/glcpp/glcpp.h | 9 |
2 files changed, 28 insertions, 6 deletions
diff --git a/src/compiler/glsl/glcpp/glcpp-parse.y b/src/compiler/glsl/glcpp/glcpp-parse.y index b80ff044e93..63012bc6e52 100644 --- a/src/compiler/glsl/glcpp/glcpp-parse.y +++ b/src/compiler/glsl/glcpp/glcpp-parse.y @@ -177,7 +177,7 @@ add_builtin_define(glcpp_parser_t *parser, const char *name, int value); * (such as the <HASH> and <DEFINE> start conditions in the lexer). */ %token DEFINED ELIF_EXPANDED HASH_TOKEN DEFINE_TOKEN FUNC_IDENTIFIER OBJ_IDENTIFIER ELIF ELSE ENDIF ERROR_TOKEN 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 <ival> INTEGER operator SPACE integer_constant version_constant %type <expression_value> expression %type <str> IDENTIFIER FUNC_IDENTIFIER OBJ_IDENTIFIER INTEGER_STRING OTHER ERROR_TOKEN PRAGMA %type <string_list> identifier_list @@ -419,14 +419,14 @@ control_line_success: | HASH_TOKEN ENDIF { _glcpp_parser_skip_stack_pop (parser, & @1); } NEWLINE -| HASH_TOKEN VERSION_TOKEN integer_constant NEWLINE { - if (parser->version != 0) { +| HASH_TOKEN VERSION_TOKEN version_constant NEWLINE { + if (parser->version_set) { glcpp_error(& @1, parser, "#version must appear on the first line"); } _glcpp_parser_handle_version_declaration(parser, $3, NULL, true); } -| HASH_TOKEN VERSION_TOKEN integer_constant IDENTIFIER NEWLINE { - if (parser->version != 0) { +| HASH_TOKEN VERSION_TOKEN version_constant IDENTIFIER NEWLINE { + if (parser->version_set) { glcpp_error(& @1, parser, "#version must appear on the first line"); } _glcpp_parser_handle_version_declaration(parser, $3, $4, true); @@ -465,6 +465,17 @@ integer_constant: $$ = $1; } +version_constant: + INTEGER_STRING { + /* Both octal and hexadecimal constants begin with 0. */ + if ($1[0] == '0' && $1[1] != '\0') { + glcpp_error(&@1, parser, "invalid #version \"%s\" (not a decimal constant)", $1); + $$ = 0; + } else { + $$ = strtoll($1, NULL, 10); + } + } + expression: integer_constant { $$.value = $1; @@ -1361,6 +1372,7 @@ glcpp_parser_create(glcpp_extension_iterator extensions, void *state, gl_api api parser->state = state; parser->api = api; parser->version = 0; + parser->version_set = false; parser->has_new_line_number = 0; parser->new_line_number = 1; @@ -2293,10 +2305,11 @@ _glcpp_parser_handle_version_declaration(glcpp_parser_t *parser, intmax_t versio const char *es_identifier, bool explicitly_set) { - if (parser->version != 0) + if (parser->version_set) return; parser->version = version; + parser->version_set = true; add_builtin_define (parser, "__VERSION__", version); diff --git a/src/compiler/glsl/glcpp/glcpp.h b/src/compiler/glsl/glcpp/glcpp.h index bb4ad67f28b..232e053f46b 100644 --- a/src/compiler/glsl/glcpp/glcpp.h +++ b/src/compiler/glsl/glcpp/glcpp.h @@ -208,6 +208,15 @@ struct glcpp_parser { void *state; gl_api api; unsigned version; + + /** + * Has the #version been set? + * + * A separate flag is used because any possible sentinel value in + * \c ::version could also be set by a #version line. + */ + bool version_set; + bool has_new_line_number; int new_line_number; bool has_new_source_number; |