const char *const result = string;
#endif
- pp_token.type = TP_STRING_LITERAL;
- pp_token.v.string.begin = result;
- pp_token.v.string.size = size;
+ pp_token.type = TP_STRING_LITERAL;
+ pp_token.literal.begin = result;
+ pp_token.literal.size = size;
}
static void parse_wide_character_constant(void)
/* TODO... */
}
-static void parse_wide_string_literal(void)
-{
- const unsigned start_linenr = input.position.linenr;
-
- assert(CC == '"');
- next_char();
-
- while(1) {
- switch(CC) {
- case '\\': {
- wchar_rep_t tc = parse_escape_sequence();
- obstack_grow(&symbol_obstack, &tc, sizeof(tc));
- break;
- }
-
- case EOF: {
- source_position_t source_position;
- source_position.input_name = pp_token.source_position.input_name;
- source_position.linenr = start_linenr;
- errorf(&source_position, "string has no end");
- pp_token.type = TP_ERROR;
- return;
- }
-
- case '"':
- next_char();
- goto end_of_string;
-
- default: {
- wchar_rep_t tc = CC;
- obstack_grow(&symbol_obstack, &tc, sizeof(tc));
- next_char();
- break;
- }
- }
- }
-
-end_of_string:;
- /* add finishing 0 to the string */
- static const wchar_rep_t nul = L'\0';
- obstack_grow(&symbol_obstack, &nul, sizeof(nul));
-
- const size_t size
- = (size_t)obstack_object_size(&symbol_obstack) / sizeof(wchar_rep_t);
- const wchar_rep_t *const string = obstack_finish(&symbol_obstack);
-
-#if 0 /* TODO hash */
- /* check if there is already a copy of the string */
- const wchar_rep_t *const result = strset_insert(&stringset, string);
- if(result != string) {
- obstack_free(&symbol_obstack, string);
- }
-#else
- const wchar_rep_t *const result = string;
-#endif
-
- pp_token.type = TP_WIDE_STRING_LITERAL;
- pp_token.v.wide_string.begin = result;
- pp_token.v.wide_string.size = size;
-}
-
static void parse_character_constant(void)
{
const unsigned start_linenr = input.position.linenr;
const size_t size = (size_t)obstack_object_size(&symbol_obstack);
const char *const string = obstack_finish(&symbol_obstack);
- pp_token.type = TP_CHARACTER_CONSTANT;
- pp_token.v.string.begin = string;
- pp_token.v.string.size = size;
+ pp_token.type = TP_CHARACTER_CONSTANT;
+ pp_token.literal.begin = string;
+ pp_token.literal.size = size;
}
#define SYMBOL_CHARS_WITHOUT_E_P \
return;
/* if it was an identifier then we might need to expand again */
- pp_definition_t *symbol_definition = pp_token.v.symbol->pp_definition;
+ pp_definition_t *symbol_definition = pp_token.symbol->pp_definition;
if(symbol_definition != NULL && !symbol_definition->is_expanding) {
symbol_definition->parent_expansion = definition;
symbol_definition->expand_pos = 0;
/* might be a wide string or character constant ( L"string"/L'c' ) */
if (CC == '"' && string[0] == 'L' && string[1] == '\0') {
obstack_free(&symbol_obstack, string);
- parse_wide_string_literal();
+ /* TODO */
return;
} else if (CC == '\'' && string[0] == 'L' && string[1] == '\0') {
obstack_free(&symbol_obstack, string);
symbol_t *symbol = symbol_table_insert(string);
- pp_token.type = symbol->pp_ID;
- pp_token.v.symbol = symbol;
+ pp_token.type = symbol->pp_ID;
+ pp_token.symbol = symbol;
/* we can free the memory from symbol obstack if we already had an entry in
* the symbol table */
size_t size = obstack_object_size(&symbol_obstack);
char *string = obstack_finish(&symbol_obstack);
- pp_token.type = TP_NUMBER;
- pp_token.v.string.begin = string;
- pp_token.v.string.size = size;
+ pp_token.type = TP_NUMBER;
+ pp_token.literal.begin = string;
+ pp_token.literal.size = size;
}
-
#define MAYBE_PROLOG \
next_char(); \
while(1) { \
switch(pp_token.type) {
case TP_IDENTIFIER:
- fputs(pp_token.v.symbol->string, out);
+ fputs(pp_token.symbol->string, out);
break;
case TP_NUMBER:
- fputs(pp_token.v.string.begin, out);
+ fputs(pp_token.literal.begin, out);
break;
case TP_STRING_LITERAL:
fputc('"', out);
- fputs(pp_token.v.string.begin, out);
+ fputs(pp_token.literal.begin, out);
fputc('"', out);
break;
case '\n':
return true;
}
-static bool wide_strings_equal(const wide_string_t *string1,
- const wide_string_t *string2)
-{
- size_t size = string1->size;
- if(size != string2->size)
- return false;
-
- const wchar_rep_t *c1 = string1->begin;
- const wchar_rep_t *c2 = string2->begin;
- for(size_t i = 0; i < size; ++i, ++c1, ++c2) {
- if(*c1 != *c2)
- return false;
- }
- return true;
-}
-
static bool pp_tokens_equal(const token_t *token1, const token_t *token2)
{
if(token1->type != token2->type)
/* TODO */
return false;
case TP_IDENTIFIER:
- return token1->v.symbol == token2->v.symbol;
+ return token1->symbol == token2->symbol;
case TP_NUMBER:
case TP_CHARACTER_CONSTANT:
case TP_STRING_LITERAL:
- return strings_equal(&token1->v.string, &token2->v.string);
+ return strings_equal(&token1->literal, &token2->literal);
- case TP_WIDE_CHARACTER_CONSTANT:
- case TP_WIDE_STRING_LITERAL:
- return wide_strings_equal(&token1->v.wide_string,
- &token2->v.wide_string);
default:
return true;
}
"expected identifier after #define, got '%t'", &pp_token);
goto error_out;
}
- symbol_t *symbol = pp_token.v.symbol;
+ symbol_t *symbol = pp_token.symbol;
pp_definition_t *new_definition
= obstack_alloc(&pp_obstack, sizeof(new_definition[0]));
}
break;
case TP_IDENTIFIER:
- obstack_ptr_grow(&pp_obstack, pp_token.v.symbol);
+ obstack_ptr_grow(&pp_obstack, pp_token.symbol);
next_preprocessing_token();
if (pp_token.type == ',') {
return;
}
- symbol_t *symbol = pp_token.v.symbol;
+ symbol_t *symbol = pp_token.symbol;
symbol->pp_definition = NULL;
next_preprocessing_token();
/* just take the true case in the hope to avoid further errors */
condition = true;
} else {
- symbol_t *symbol = pp_token.v.symbol;
+ symbol_t *symbol = pp_token.symbol;
pp_definition_t *pp_definition = symbol->pp_definition;
next_preprocessing_token();
projects / cparser / blobdiff