static int
_parser_active_list_contains (glcpp_parser_t *parser, const char *identifier);
+/* Expand list, and begin lexing from the result (after first
+ * prefixing a token of type 'head_token_type').
+ */
static void
-_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list);
+_glcpp_parser_expand_and_lex_from (glcpp_parser_t *parser,
+ int head_token_type,
+ token_list_t *list);
+/* Perform macro expansion in-place on the given list. */
static void
_glcpp_parser_expand_token_list (glcpp_parser_t *parser,
token_list_t *list);
static void
_glcpp_parser_skip_stack_pop (glcpp_parser_t *parser, YYLTYPE *loc);
-#define yylex glcpp_parser_lex
-
static int
glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser);
%lex-param {glcpp_parser_t *parser}
%expect 0
-%token COMMA_FINAL DEFINED ELIF_EXPANDED HASH HASH_DEFINE_FUNC HASH_DEFINE_OBJ HASH_ELIF HASH_ELSE HASH_ENDIF HASH_IF HASH_IFDEF HASH_IFNDEF HASH_UNDEF HASH_VERSION IDENTIFIER IF_EXPANDED INTEGER INTEGER_STRING NEWLINE OTHER PLACEHOLDER SPACE
+%token COMMA_FINAL DEFINED ELIF_EXPANDED HASH HASH_DEFINE FUNC_IDENTIFIER OBJ_IDENTIFIER HASH_ELIF HASH_ELSE HASH_ENDIF HASH_IF HASH_IFDEF HASH_IFNDEF HASH_LINE HASH_UNDEF HASH_VERSION IDENTIFIER IF_EXPANDED INTEGER INTEGER_STRING LINE_EXPANDED NEWLINE OTHER PLACEHOLDER SPACE
%token PASTE
%type <ival> expression INTEGER operator SPACE integer_constant
-%type <str> IDENTIFIER INTEGER_STRING OTHER
+%type <str> IDENTIFIER FUNC_IDENTIFIER OBJ_IDENTIFIER INTEGER_STRING OTHER
%type <string_list> identifier_list
%type <token> preprocessing_token conditional_token
%type <token_list> pp_tokens replacement_list text_line conditional_tokens
control_line {
ralloc_asprintf_rewrite_tail (&parser->output, &parser->output_length, "\n");
}
+| HASH_LINE pp_tokens NEWLINE {
+ if (parser->skip_stack == NULL ||
+ parser->skip_stack->type == SKIP_NO_SKIP)
+ {
+ _glcpp_parser_expand_and_lex_from (parser,
+ LINE_EXPANDED, $2);
+ }
+ }
| text_line {
_glcpp_parser_print_expanded_token_list (parser, $1);
ralloc_asprintf_rewrite_tail (&parser->output, &parser->output_length, "\n");
| ELIF_EXPANDED expression NEWLINE {
_glcpp_parser_skip_stack_change_if (parser, & @1, "elif", $2);
}
+| LINE_EXPANDED integer_constant NEWLINE {
+ parser->has_new_line_number = 1;
+ parser->new_line_number = $2;
+ ralloc_asprintf_rewrite_tail (&parser->output,
+ &parser->output_length,
+ "#line %" PRIiMAX "\n",
+ $2);
+ }
+| LINE_EXPANDED integer_constant integer_constant NEWLINE {
+ parser->has_new_line_number = 1;
+ parser->new_line_number = $2;
+ parser->has_new_source_number = 1;
+ parser->new_source_number = $3;
+ ralloc_asprintf_rewrite_tail (&parser->output,
+ &parser->output_length,
+ "#line %" PRIiMAX " %" PRIiMAX "\n",
+ $2, $3);
+ }
;
control_line:
- HASH_DEFINE_OBJ IDENTIFIER replacement_list NEWLINE {
+ HASH_DEFINE OBJ_IDENTIFIER replacement_list NEWLINE {
_define_object_macro (parser, & @2, $2, $3);
}
-| HASH_DEFINE_FUNC IDENTIFIER '(' ')' replacement_list NEWLINE {
+| HASH_DEFINE FUNC_IDENTIFIER '(' ')' replacement_list NEWLINE {
_define_function_macro (parser, & @2, $2, NULL, $5);
}
-| HASH_DEFINE_FUNC IDENTIFIER '(' identifier_list ')' replacement_list NEWLINE {
+| HASH_DEFINE FUNC_IDENTIFIER '(' identifier_list ')' replacement_list NEWLINE {
_define_function_macro (parser, & @2, $2, $4, $6);
}
| HASH_UNDEF IDENTIFIER NEWLINE {
if (parser->skip_stack == NULL ||
parser->skip_stack->type == SKIP_NO_SKIP)
{
- _glcpp_parser_expand_if (parser, IF_EXPANDED, $2);
+ _glcpp_parser_expand_and_lex_from (parser,
+ IF_EXPANDED, $2);
}
else
{
if (parser->skip_stack &&
parser->skip_stack->type == SKIP_TO_ELSE)
{
- _glcpp_parser_expand_if (parser, ELIF_EXPANDED, $2);
+ _glcpp_parser_expand_and_lex_from (parser,
+ ELIF_EXPANDED, $2);
}
else
{
glcpp_warning(& @1, parser, "ignoring illegal #elif without expression");
}
}
-| HASH_ELSE NEWLINE {
+| HASH_ELSE {
_glcpp_parser_skip_stack_change_if (parser, & @1, "else", 1);
- }
-| HASH_ENDIF NEWLINE {
+ } NEWLINE
+| HASH_ENDIF {
_glcpp_parser_skip_stack_pop (parser, & @1);
- }
+ } NEWLINE
| HASH_VERSION integer_constant NEWLINE {
macro_t *macro = hash_table_find (parser->defines, "__VERSION__");
if (macro) {
expression:
integer_constant
+| IDENTIFIER {
+ $$ = 0;
+ }
| expression OR expression {
$$ = $1 || $3;
}
/* Two string-valued tokens can usually just be mashed
* together.
*
- * XXX: This isn't actually legitimate. Several things here
- * should result in a diagnostic since the result cannot be a
- * valid, single pre-processing token. For example, pasting
- * "123" and "abc" is not legal, but we don't catch that
- * here. */
+ * 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.
+ */
if ((token->type == IDENTIFIER || token->type == OTHER || token->type == INTEGER_STRING) &&
(other->type == IDENTIFIER || other->type == OTHER || other->type == INTEGER_STRING))
{
char *str;
+ if (token->type == INTEGER_STRING) {
+ if (other->type != INTEGER_STRING)
+ goto FAIL;
+ if (other->value.str[0] < '0' ||
+ other->value.str[0] > '9')
+ goto FAIL;
+ }
+
str = ralloc_asprintf (token, "%s%s", token->value.str,
other->value.str);
combined = _token_create_str (token, token->type, str);
return combined;
}
+ FAIL:
glcpp_error (&token->location, parser, "");
ralloc_asprintf_rewrite_tail (&parser->info_log, &parser->info_log_length, "Pasting \"");
_token_print (&parser->info_log, &parser->info_log_length, token);
parser->info_log_length = 0;
parser->error = 0;
+ parser->has_new_line_number = 0;
+ parser->new_line_number = 1;
+ parser->has_new_source_number = 0;
+ parser->new_source_number = 0;
+
/* Add pre-defined macros. */
- add_builtin_define(parser, "GL_ARB_draw_buffers", 1);
- add_builtin_define(parser, "GL_ARB_texture_rectangle", 1);
+ if (extensions != NULL) {
+ if (extensions->OES_EGL_image_external)
+ add_builtin_define(parser, "GL_OES_EGL_image_external", 1);
+ }
if (api == API_OPENGLES2)
add_builtin_define(parser, "GL_ES", 1);
+ else {
+ add_builtin_define(parser, "GL_ARB_draw_buffers", 1);
+ add_builtin_define(parser, "GL_ARB_texture_rectangle", 1);
- if (extensions != NULL) {
- if (extensions->EXT_texture_array) {
- add_builtin_define(parser, "GL_EXT_texture_array", 1);
- }
+ if (extensions != NULL) {
+ if (extensions->EXT_texture_array) {
+ add_builtin_define(parser, "GL_EXT_texture_array", 1);
+ }
- if (extensions->ARB_fragment_coord_conventions)
- add_builtin_define(parser, "GL_ARB_fragment_coord_conventions",
- 1);
+ if (extensions->ARB_fragment_coord_conventions)
+ add_builtin_define(parser, "GL_ARB_fragment_coord_conventions",
+ 1);
- if (extensions->ARB_explicit_attrib_location)
- add_builtin_define(parser, "GL_ARB_explicit_attrib_location", 1);
+ if (extensions->ARB_explicit_attrib_location)
+ add_builtin_define(parser, "GL_ARB_explicit_attrib_location", 1);
- if (extensions->ARB_shader_texture_lod)
- add_builtin_define(parser, "GL_ARB_shader_texture_lod", 1);
+ if (extensions->ARB_shader_texture_lod)
+ add_builtin_define(parser, "GL_ARB_shader_texture_lod", 1);
- if (extensions->ARB_draw_instanced)
- add_builtin_define(parser, "GL_ARB_draw_instanced", 1);
+ if (extensions->ARB_draw_instanced)
+ add_builtin_define(parser, "GL_ARB_draw_instanced", 1);
- if (extensions->ARB_conservative_depth) {
- add_builtin_define(parser, "GL_AMD_conservative_depth", 1);
- add_builtin_define(parser, "GL_ARB_conservative_depth", 1);
- }
+ if (extensions->ARB_conservative_depth) {
+ add_builtin_define(parser, "GL_AMD_conservative_depth", 1);
+ add_builtin_define(parser, "GL_ARB_conservative_depth", 1);
+ }
- if (extensions->OES_EGL_image_external)
- add_builtin_define(parser, "GL_OES_EGL_image_external", 1);
+ if (extensions->ARB_shader_bit_encoding)
+ add_builtin_define(parser, "GL_ARB_shader_bit_encoding", 1);
- if (extensions->ARB_shader_bit_encoding)
- add_builtin_define(parser, "GL_ARB_shader_bit_encoding", 1);
+ if (extensions->ARB_uniform_buffer_object)
+ add_builtin_define(parser, "GL_ARB_uniform_buffer_object", 1);
+
+ if (extensions->ARB_texture_cube_map_array)
+ add_builtin_define(parser, "GL_ARB_texture_cube_map_array", 1);
+ }
}
language_version = 110;
return parser;
}
-int
-glcpp_parser_parse (glcpp_parser_t *parser)
-{
- return yyparse (parser);
-}
-
void
glcpp_parser_destroy (glcpp_parser_t *parser)
{
}
static token_list_t *
-_token_list_create_with_one_space (void *ctx)
+_token_list_create_with_one_ival (void *ctx, int type, int ival)
{
token_list_t *list;
- token_t *space;
+ token_t *node;
list = _token_list_create (ctx);
- space = _token_create_ival (list, SPACE, SPACE);
- _token_list_append (list, space);
+ node = _token_create_ival (list, type, ival);
+ _token_list_append (list, node);
return list;
}
+static token_list_t *
+_token_list_create_with_one_space (void *ctx)
+{
+ return _token_list_create_with_one_ival (ctx, SPACE, SPACE);
+}
+
+static token_list_t *
+_token_list_create_with_one_integer (void *ctx, int ival)
+{
+ return _token_list_create_with_one_ival (ctx, INTEGER, ival);
+}
+
+/* Perform macro expansion on 'list', placing the resulting tokens
+ * into a new list which is initialized with a first token of type
+ * 'head_token_type'. Then begin lexing from the resulting list,
+ * (return to the current lexing source when this list is exhausted).
+ */
static void
-_glcpp_parser_expand_if (glcpp_parser_t *parser, int type, token_list_t *list)
+_glcpp_parser_expand_and_lex_from (glcpp_parser_t *parser,
+ int head_token_type,
+ token_list_t *list)
{
token_list_t *expanded;
token_t *token;
expanded = _token_list_create (parser);
- token = _token_create_ival (parser, type, type);
+ token = _token_create_ival (parser, head_token_type, head_token_type);
_token_list_append (expanded, token);
_glcpp_parser_expand_token_list (parser, list);
_token_list_append_list (expanded, list);
return NULL;
}
- /* Look up this identifier in the hash table. */
+ *last = node;
identifier = token->value.str;
+
+ /* Special handling for __LINE__ and __FILE__, (not through
+ * the hash table). */
+ if (strcmp(identifier, "__LINE__") == 0)
+ return _token_list_create_with_one_integer (parser, node->token->location.first_line);
+
+ if (strcmp(identifier, "__FILE__") == 0)
+ return _token_list_create_with_one_integer (parser, node->token->location.source);
+
+ /* Look up this identifier in the hash table. */
macro = hash_table_find (parser->defines, identifier);
/* Not a macro, so no expansion needed. */
final = _token_create_str (parser, OTHER, str);
expansion = _token_list_create (parser);
_token_list_append (expansion, final);
- *last = node;
return expansion;
}
if (! macro->is_function)
{
token_list_t *replacement;
- *last = node;
/* Replace a macro defined as empty with a SPACE token. */
if (macro->replacements == NULL)
if (ret == NEWLINE)
parser->in_control_line = 0;
}
- else if (ret == HASH_DEFINE_OBJ || ret == HASH_DEFINE_FUNC ||
+ else if (ret == HASH_DEFINE ||
ret == HASH_UNDEF || ret == HASH_IF ||
ret == HASH_IFDEF || ret == HASH_IFNDEF ||
ret == HASH_ELIF || ret == HASH_ELSE ||