OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*******************************************************************************/
-#include "php_psi_stdinc.h"
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#else
+# include "php_config.h"
+#endif
+
+#include "php_psi.h"
+
+#include <libgen.h>
#include "cpp.h"
#include "parser.h"
+#include "debug.h"
-static inline bool psi_cpp_level_skipped(struct psi_cpp_data *cpp)
-{
- return cpp->skip == cpp->level;
-}
-static inline void psi_cpp_level_skip(struct psi_cpp_data *cpp)
-{
- assert(!cpp->skip);
- cpp->skip = cpp->level;
-}
-static inline void psi_cpp_level_unskip(struct psi_cpp_data *cpp)
+#define PSI_CPP_SEARCH
+#define PSI_CPP_PREDEF
+#include "php_psi_predef.h"
+
+HashTable psi_cpp_defaults;
+
+PHP_MINIT_FUNCTION(psi_cpp);
+PHP_MINIT_FUNCTION(psi_cpp)
{
- if (psi_cpp_level_skipped(cpp)) {
- cpp->skip = 0;
+ struct psi_parser parser;
+ struct psi_parser_input *predef;
+
+ PSI_G(search_path) = pemalloc(strlen(PSI_G(directory)) + strlen(psi_cpp_search) + 1 + 1, 1);
+ sprintf(PSI_G(search_path), "%s:%s", PSI_G(directory), psi_cpp_search);
+
+ if (!psi_parser_init(&parser, psi_error_wrapper, PSI_SILENT)) {
+ return FAILURE;
}
+
+ if (!(predef = psi_parser_open_string(&parser, psi_cpp_predef, sizeof(psi_cpp_predef) - 1))) {
+ psi_parser_dtor(&parser);
+ return FAILURE;
+ }
+
+ if (!psi_parser_parse(&parser, predef)) {
+ psi_parser_input_free(&predef);
+ psi_parser_dtor(&parser);
+ return FAILURE;
+ }
+ psi_parser_input_free(&predef);
+
+ zend_hash_init(&psi_cpp_defaults, 0, NULL, NULL, 1);
+ zend_hash_copy(&psi_cpp_defaults, &parser.preproc->defs, NULL);
+
+ psi_parser_dtor(&parser);
+
+ return SUCCESS;
}
-static inline bool psi_cpp_level_masked(struct psi_cpp_data *cpp)
-{
- return cpp->seen & (1 << cpp->level);
-}
-static inline void psi_cpp_level_mask(struct psi_cpp_data *cpp)
+
+PHP_MSHUTDOWN_FUNCTION(psi_cpp);
+PHP_MSHUTDOWN_FUNCTION(psi_cpp)
{
- assert(!psi_cpp_level_masked(cpp));
- cpp->seen |= (1 << cpp->level);
+ struct psi_cpp_macro_decl *macro;
+
+ ZEND_HASH_FOREACH_PTR(&psi_cpp_defaults, macro)
+ {
+ psi_cpp_macro_decl_free(¯o);
+ }
+ ZEND_HASH_FOREACH_END();
+
+ zend_hash_destroy(&psi_cpp_defaults);
+
+ return SUCCESS;
}
-static inline void psi_cpp_level_unmask(struct psi_cpp_data *cpp)
+
+static void free_cpp_def(zval *p)
{
- cpp->seen &= ~(1 << cpp->level);
+ if (Z_TYPE_P(p) == IS_PTR) {
+ struct psi_cpp_macro_decl *macro = Z_PTR_P(p);
+
+ if (!zend_hash_exists(&psi_cpp_defaults, macro->token->text)) {
+ psi_cpp_macro_decl_free(¯o);
+ }
+ }
}
-static void psi_cpp_eval(struct psi_data *D, struct psi_cpp_data *cpp)
+struct psi_cpp *psi_cpp_init(struct psi_parser *P)
{
- assert(cpp->exp);
+ struct psi_cpp *cpp = pecalloc(1, sizeof(*cpp), 1);
- PSI_DEBUG_PRINT(D, "PSI: CPP EVAL < %s (level=%u, skip=%u)\n",
- cpp->exp->token->text, cpp->level, cpp->skip);
+ cpp->parser = P;
+ zend_hash_init(&cpp->once, 0, NULL, NULL, 1);
+ zend_hash_init(&cpp->defs, 0, NULL, free_cpp_def, 1);
+ zend_hash_copy(&cpp->defs, &psi_cpp_defaults, NULL);
+ zend_hash_init(&cpp->expanding, 0, NULL, NULL, 1);
-#if PSI_CPP_DEBUG
- psi_cpp_exp_dump(2, cpp->exp);
-#endif
-
- switch (cpp->exp->type) {
- case PSI_T_ERROR:
- if (!cpp->skip) {
- D->error(D, cpp->exp->token, PSI_ERROR, "%s",
- cpp->exp->data.tok->text);
- }
- break;
- case PSI_T_WARNING:
- if (!cpp->skip) {
- D->error(D, cpp->exp->token, PSI_WARNING, "%s",
- cpp->exp->data.tok->text);
- }
- break;
- case PSI_T_UNDEF:
- if (!cpp->skip) {
- psi_cpp_undef(cpp, cpp->exp->data.tok);
- }
- break;
- case PSI_T_DEFINE:
- if (!cpp->skip) {
- psi_cpp_define(cpp, cpp->exp->data.decl);
- /* FIXME: copy */
- cpp->exp->data.decl = NULL;
- }
- break;
- case PSI_T_IFDEF:
- ++cpp->level;
- if (!cpp->skip) {
- if (psi_cpp_defined(cpp, cpp->exp->data.tok)) {
- psi_cpp_level_mask(cpp);
- } else {
- psi_cpp_level_skip(cpp);
- }
- }
- break;
- case PSI_T_IFNDEF:
- ++cpp->level;
- if (!cpp->skip) {
- if (psi_cpp_defined(cpp, cpp->exp->data.tok)) {
- psi_cpp_level_skip(cpp);
- } else {
- psi_cpp_level_mask(cpp);
- }
- }
- break;
- case PSI_T_IF:
- ++cpp->level;
- if (!cpp->skip) {
- if (psi_cpp_if(cpp->exp, &cpp->defs, D)) {
- psi_cpp_level_mask(cpp);
- } else {
- psi_cpp_level_skip(cpp);
- }
- }
- break;
- case PSI_T_ENDIF:
- if (!cpp->level) {
- D->error(D, cpp->exp->token, PSI_WARNING, "Ingoring lone #endif");
- } else {
- psi_cpp_level_unskip(cpp);
- psi_cpp_level_unmask(cpp);
- --cpp->level;
- }
- break;
- case PSI_T_ELSE:
- /* FIXME: catch "else" after "else" */
- if (!cpp->level) {
- D->error(D, cpp->exp->token, PSI_WARNING, "Ingoring lone #else");
- } else if (psi_cpp_level_skipped(cpp) && !psi_cpp_level_masked(cpp)) {
- /*
- * if skip is set on this level and the level has
- * not been masked yet, then unskip and mask this level
- */
- psi_cpp_level_unskip(cpp);
- psi_cpp_level_mask(cpp);
- } else if (!cpp->skip && psi_cpp_level_masked(cpp)) {
- /*
- * previous block masked this level
- */
- psi_cpp_level_skip(cpp);
- } else {
- assert(cpp->skip < cpp->level);
- }
- break;
- case PSI_T_ELIF:
- if (!cpp->level) {
- D->error(D, cpp->exp->token, PSI_WARNING, "Ingoring lone #elif");
- } else if (psi_cpp_level_skipped(cpp) && !psi_cpp_level_masked(cpp)) {
- /*
- * if skip is set on this level and the level has
- * not been masked yet, then unskip and mask this
- * level, if the condition evals truthy
- */
- if (psi_cpp_if(cpp->exp, &cpp->defs, D)) {
- psi_cpp_level_unskip(cpp);
- psi_cpp_level_mask(cpp);
- }
- } else if (!cpp->skip && psi_cpp_level_masked(cpp)) {
- /*
- * previous block masked this level
- */
- psi_cpp_level_skip(cpp);
- } else {
- assert(cpp->skip < cpp->level);
- }
- break;
- default:
- assert(0);
- break;
- }
+ return cpp;
+}
- PSI_DEBUG_PRINT(D, "PSI: CPP EVAL > %s (level=%u, skip=%u)\n",
- cpp->exp->token->text, cpp->level, cpp->skip);
+static char *include_flavor[] = {
+ "include",
+ "include next",
+ "include once"
+};
- psi_cpp_exp_free(&cpp->exp);
+void psi_cpp_free(struct psi_cpp **cpp_ptr)
+{
+ if (*cpp_ptr) {
+ struct psi_cpp *cpp = *cpp_ptr;
+
+ *cpp_ptr = NULL;
+ zend_hash_destroy(&cpp->defs);
+ zend_hash_destroy(&cpp->once);
+ zend_hash_destroy(&cpp->expanding);
+ free(cpp);
+ }
}
-static bool psi_cpp_stage1(struct psi_parser *P, struct psi_cpp_data *cpp)
+static bool psi_cpp_stage1(struct psi_cpp *cpp)
{
bool name = false, define = false, hash = false, eol = true, esc = false, ws = false;
+ PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP %s\n", "stage1");
+
psi_cpp_tokiter_reset(cpp);
while (psi_cpp_tokiter_valid(cpp)) {
struct psi_token *token = psi_cpp_tokiter_current(cpp);
- /* strip comments */
- if (token->type == PSI_T_COMMENT) {
+ /* strip comments and attributes */
+ if (token->type == PSI_T_COMMENT
+ || token->type == PSI_T_CPP_ATTRIBUTE) {
psi_cpp_tokiter_del_cur(cpp, true);
continue;
}
/* line continuations */
if (token->type == PSI_T_EOL) {
if (esc) {
- psi_cpp_tokiter_del_range(cpp, psi_cpp_tokiter_index(cpp) - 1, 2, true);
- psi_cpp_tokiter_prev(cpp);
+ psi_cpp_tokiter_del_prev(cpp, true);
+ psi_cpp_tokiter_del_cur(cpp, true);
esc = false;
continue;
}
*/
if (token->type == PSI_T_WHITESPACE) {
+ if (name) {
+ name = false;
+ }
ws = true;
psi_cpp_tokiter_del_cur(cpp, true);
continue;
struct psi_token *no_ws = psi_token_copy(token);
no_ws->type = PSI_T_NO_WHITESPACE;
- no_ws->text[0] = '\xA0';
- psi_cpp_tokiter_ins_cur(cpp, no_ws);
+ zend_string_release(no_ws->text);
+ no_ws->text = psi_string_init_interned("\xA0", 1, 1);
+ psi_cpp_tokiter_add(cpp, no_ws);
continue;
}
}
}
ws = false;
+ psi_cpp_tokiter_add_cur(cpp);
psi_cpp_tokiter_next(cpp);
}
return true;
}
-static bool psi_cpp_stage2(struct psi_parser *P, struct psi_cpp_data *cpp)
+static bool psi_cpp_stage2(struct psi_cpp *cpp)
{
- do {
- bool is_eol = true, do_cpp = false, do_expansion = true, skip_paren = false, skip_all = false;
+ bool is_eol = true, do_expansion = true, skip_paren = false, skip_all = false;
- psi_cpp_tokiter_reset(cpp);
+ PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP %s\n", "stage2");
- while (psi_cpp_tokiter_valid(cpp)) {
- struct psi_token *current = psi_cpp_tokiter_current(cpp);
+ psi_cpp_tokiter_reset(cpp);
+ while (psi_cpp_tokiter_valid(cpp)) {
+ struct psi_token *current = psi_cpp_tokiter_current(cpp);
- if (current->type == PSI_T_HASH) {
- if (is_eol) {
- do_cpp = true;
- is_eol = false;
- }
- } else if (current->type == PSI_T_EOL) {
+ if (current->type == PSI_T_HASH) {
+ if (is_eol) {
+ cpp->do_cpp = true;
+ is_eol = false;
+ }
+ } else if (current->type == PSI_T_EOL) {
#if PSI_CPP_DEBUG
- fprintf(stderr, "PSI: CPP do_expansion=true, PSI_T_EOL\n");
+ PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP do_expansion=true, PSI_T_EOL\n");
#endif
- is_eol = true;
- skip_all = false;
- do_expansion = true;
- if (!do_cpp) {
- psi_cpp_tokiter_del_cur(cpp, true);
- continue;
- }
- } else {
- is_eol = false;
+ is_eol = true;
+ skip_all = false;
+ do_expansion = true;
+ if (!cpp->do_cpp) {
+ psi_cpp_tokiter_del_cur(cpp, true);
+ continue;
+ }
+ } else {
+ is_eol = false;
- if (do_cpp) {
- switch (current->type) {
- case PSI_T_DEFINE:
+ if (cpp->do_cpp) {
+ switch (current->type) {
+ case PSI_T_DEFINE:
#if PSI_CPP_DEBUG
- fprintf(stderr, "PSI: CPP do_expansion=false, PSI_T_DEFINE, skip_all\n");
+ PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP do_expansion=false, PSI_T_DEFINE, skip_all\n");
#endif
- do_expansion = false;
- skip_all = true;
- break;
- case PSI_T_DEFINED:
- skip_paren = true;
- /* no break */
- case PSI_T_IFDEF:
- case PSI_T_IFNDEF:
- case PSI_T_UNDEF:
+ do_expansion = false;
+ skip_all = true;
+ break;
+ case PSI_T_DEFINED:
+ skip_paren = true;
+ /* no break */
+ case PSI_T_IFDEF:
+ case PSI_T_IFNDEF:
+ case PSI_T_UNDEF:
#if PSI_CPP_DEBUG
- fprintf(stderr, "PSI: CPP do_expansion=false, PSI_T_{IF{,N},UN}DEF\n");
+ PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP do_expansion=false, PSI_T_{IF{,N},UN}DEF\n");
#endif
- do_expansion = false;
- break;
- case PSI_T_LPAREN:
- if (!skip_all) {
- if (skip_paren) {
- skip_paren = false;
- } else {
- do_expansion = true;
+ do_expansion = false;
+ break;
+ case PSI_T_LPAREN:
+
+ if (!skip_all) {
+ if (skip_paren) {
+ skip_paren = false;
+ } else {
+ do_expansion = true;
#if PSI_CPP_DEBUG
- fprintf(stderr, "PSI: CPP do_expansion=true, PSI_T_LPAREN, !skip_all, !skip_paren\n");
+ PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP do_expansion=true, PSI_T_LPAREN, !skip_all, !skip_paren\n");
#endif
- }
}
- break;
- case PSI_T_NAME:
- break;
- default:
- do_expansion = !skip_all;
+ }
+ break;
+ case PSI_T_NAME:
+ break;
+ default:
+ do_expansion = !skip_all;
#if PSI_CPP_DEBUG
- fprintf(stderr, "PSI CPP do_expansion=%s, <- !skip_all\n", do_expansion?"true":"false");
+ PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP do_expansion=%s, <- !skip_all\n", do_expansion?"true":"false");
#endif
- }
}
}
+ }
- if (cpp->skip) {
- /* FIXME: del_range */
- if (!do_cpp) {
+ if (cpp->skip) {
+ if (!cpp->do_cpp) {
#if PSI_CPP_DEBUG
- fprintf(stderr, "PSI: CPP skip ");
- psi_token_dump(2, current);
+ PSI_DEBUG_LOCK(cpp->parser,
+ PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP skip ");
+ PSI_DEBUG_DUMP(cpp->parser, psi_token_dump, current);
+ );
#endif
- psi_cpp_tokiter_del_cur(cpp, true);
- continue;
- }
+ psi_cpp_tokiter_del_cur(cpp, true);
+ continue;
}
+ }
- if (do_expansion && current->type == PSI_T_NAME && psi_cpp_tokiter_defined(cpp)) {
- bool expanded = false;
-
- while (psi_cpp_tokiter_expand(cpp)) {
- expanded = true;
- }
- if (expanded) {
- continue;
- }
+ if (do_expansion && psi_cpp_defined(cpp, current)) {
+ if (psi_cpp_tokiter_expand(cpp)) {
+ continue;
}
+ }
- if (do_cpp) {
- if (is_eol) {
- do_cpp = false;
- skip_all = false;
- }
+ psi_cpp_tokiter_add_cur(cpp);
- if (P->flags & PSI_DEBUG) {
- fprintf(stderr, "PSI> Parse (%zu) ", psi_cpp_tokiter_index(cpp));
- psi_token_dump(2, current);
- }
+ if (cpp->do_cpp && is_eol) {
+ size_t processed = 0;
+ bool parsed;
- psi_parser_proc_parse(P->proc, current->type, current, P);
- psi_cpp_tokiter_del_cur(cpp, false);
+ cpp->do_cpp = false;
+ parsed = psi_parser_process(cpp->parser, cpp->tokens.exec, &processed);
+ psi_plist_clean(cpp->tokens.exec);
- if (is_eol) {
- psi_parser_proc_parse(P->proc, 0, NULL, P);
- psi_cpp_eval(PSI_DATA(P), cpp);
- }
+ if (!parsed) {
+ psi_plist_free(cpp->tokens.exec);
+ return false;
+ }
-#if PSI_CPP_DEBUG
- psi_cpp_tokiter_dump(2, cpp);
+#if PSI_CPP_DEBUG > 1
+ PSI_DEBUG_DUMP(cpp->parser, psi_cpp_tokiter_dump, cpp);
#endif
+ }
- continue;
- }
+ psi_cpp_tokiter_next(cpp);
+ }
- psi_cpp_tokiter_next(cpp);
- }
- } while (cpp->expanded);
+ psi_plist_free(cpp->tokens.exec);
+ cpp->tokens.exec = NULL;
return true;
}
-bool psi_cpp_preprocess(struct psi_parser *P, struct psi_cpp_data *cpp)
+bool psi_cpp_process(struct psi_cpp *cpp, struct psi_plist **tokens,
+ struct psi_token *expanding)
{
- if (!psi_cpp_stage1(P, cpp)) {
- return false;
+ bool parsed = false;
+ struct psi_cpp temp = *cpp;
+
+ cpp->tokens.iter = *tokens;
+ cpp->tokens.next = NULL;
+ cpp->tokens.exec = NULL;
+
+ if (expanding) {
+ zend_hash_add_empty_element(&cpp->expanding, expanding->text);
+ }
+ if (psi_cpp_stage1(cpp) && psi_cpp_stage2(cpp)) {
+ parsed = true;
+ }
+ if (expanding) {
+ zend_hash_del(&cpp->expanding, expanding->text);
}
- if (!psi_cpp_stage2(P, cpp)) {
- return false;
+ *tokens = cpp->tokens.next;
+ psi_plist_free(cpp->tokens.iter);
+ if (cpp->tokens.exec) {
+ assert(!psi_plist_count(cpp->tokens.exec));
+ psi_plist_free(cpp->tokens.exec);
}
- return true;
+ cpp->tokens = temp.tokens;
+ cpp->index = temp.index;
+ cpp->skip = temp.skip;
+ cpp->level = temp.level;
+ cpp->seen = temp.seen;
+ cpp->do_cpp = temp.do_cpp;
+
+ return parsed;
}
-bool psi_cpp_defined(struct psi_cpp_data *cpp, struct psi_token *tok)
+bool psi_cpp_defined(struct psi_cpp *cpp, struct psi_token *tok)
{
- bool defined;
+ bool defined = false;
if (tok->type == PSI_T_NAME) {
- defined = zend_hash_str_exists(&cpp->defs, tok->text, tok->size);
- } else {
- defined = false;
- }
-
+ if (psi_builtin_exists(tok->text)) {
+ defined = true;
+ } else if (!zend_hash_exists(&cpp->expanding, tok->text)) {
+ defined = zend_hash_exists(&cpp->defs, tok->text);
+ }
#if PSI_CPP_DEBUG
- fprintf(stderr, "PSI: CPP defined -> %s ", defined ? "true" : "false");
- psi_token_dump(2, tok);
+ PSI_DEBUG_LOCK(cpp->parser,
+ PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP defined -> %s ", defined ? "true" : "false");
+ if (defined) {
+ struct psi_cpp_macro_decl *macro = zend_hash_find_ptr(&cpp->defs, tok->text);
+ if (macro) {
+ PSI_DEBUG_PRINT(cpp->parser, " @ %s:%u ", macro->token->file->val, macro->token->line);
+ }
+ } else {
+ zend_string *key;
+
+ PSI_DEBUG_PRINT(cpp->parser, " expanding=");
+ ZEND_HASH_FOREACH_STR_KEY(&cpp->expanding, key)
+ {
+ PSI_DEBUG_PRINT(cpp->parser, "%s,", key->val);
+ }
+ ZEND_HASH_FOREACH_END();
+ PSI_DEBUG_PRINT(cpp->parser, "\t");
+ }
+ PSI_DEBUG_DUMP(cpp->parser, psi_token_dump, tok);
+ );
#endif
+ }
return defined;
}
-void psi_cpp_define(struct psi_cpp_data *cpp, struct psi_cpp_macro_decl *decl)
+void psi_cpp_define(struct psi_cpp *cpp, struct psi_cpp_macro_decl *decl)
{
- zend_hash_str_add_ptr(&cpp->defs, decl->token->text, decl->token->size, decl);
+ struct psi_cpp_macro_decl *old = zend_hash_find_ptr(&cpp->defs, decl->token->text);
+
+ if (old && !psi_cpp_macro_decl_equal(old, decl)) {
+ cpp->parser->error(PSI_DATA(cpp->parser), decl->token, PSI_WARNING,
+ "'%s' redefined", decl->token->text->val);
+ cpp->parser->error(PSI_DATA(cpp->parser), old->token, PSI_WARNING,
+ "'%s' previously defined", old->token->text->val);
+ }
+#if PSI_CPP_DEBUG
+ PSI_DEBUG_LOCK(cpp->parser,
+ if (decl->exp) {
+ PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP MACRO num_exp -> ");
+ } else {
+ PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP MACRO decl -> ");
+ }
+ PSI_DEBUG_DUMP(cpp->parser, psi_cpp_macro_decl_dump, decl);
+ PSI_DEBUG_PRINT(cpp->parser, "\n");
+ );
+#endif
+ zend_hash_update_ptr(&cpp->defs, decl->token->text, decl);
}
-bool psi_cpp_undef(struct psi_cpp_data *cpp, struct psi_token *tok)
+bool psi_cpp_undef(struct psi_cpp *cpp, struct psi_token *tok)
{
- return SUCCESS == zend_hash_str_del(&cpp->defs, tok->text, tok->size);
+ return SUCCESS == zend_hash_del(&cpp->defs, tok->text);
}
-bool psi_cpp_if(struct psi_cpp_exp *exp, HashTable *defs, struct psi_data *D)
+bool psi_cpp_if(struct psi_cpp *cpp, struct psi_cpp_exp *exp)
{
- if (!psi_num_exp_validate(D, exp->data.num, NULL, NULL, NULL, NULL, NULL)) {
+ struct psi_validate_scope scope = {0};
+
+ scope.cpp = cpp;
+ if (!psi_num_exp_validate(PSI_DATA(cpp->parser), exp->data.num, &scope)) {
return false;
}
- if (!psi_long_num_exp(exp->data.num, NULL, defs)) {
+ if (!psi_num_exp_get_long(exp->data.num, NULL, cpp)) {
return false;
}
return true;
}
+
+bool psi_cpp_include(struct psi_cpp *cpp, const struct psi_token *file, unsigned flags)
+{
+ bool parsed = false;
+ char path[PATH_MAX];
+ struct psi_plist *tokens;
+ struct psi_parser_input *include;
+
+ if (!psi_cpp_has_include(cpp, file, flags, path)) {
+ return false;
+ }
+
+ if (flags & PSI_CPP_INCLUDE_ONCE) {
+ if (zend_hash_str_exists(&cpp->once, path, strlen(path))) {
+ return true;
+ }
+ }
+
+ PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP %s opening %s\n",
+ include_flavor[flags], path);
+
+ include = psi_parser_open_file(cpp->parser, path, false);
+ if (!include) {
+ return false;
+ }
+
+ zend_hash_str_add_empty_element(&cpp->once, path, strlen(path));
+
+ PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP include scanning %s\n", path);
+
+ tokens = psi_parser_scan(cpp->parser, include);
+ psi_parser_input_free(&include);
+
+ if (!tokens) {
+ return false;
+ }
+
+ parsed = psi_cpp_process(cpp, &tokens, NULL);
+ if (!parsed) {
+ psi_plist_free(tokens);
+ return false;
+ }
+
+ psi_cpp_tokiter_add_range(cpp, psi_plist_count(tokens), psi_plist_eles(tokens));
+ free(tokens);
+
+ ++cpp->expanded;
+ return true;
+}
+
+#ifndef HAVE_EACCESS
+# define eaccess access
+#endif
+bool psi_cpp_has_include(struct psi_cpp *cpp, const struct psi_token *file, unsigned flags, char *path)
+{
+ char temp[PATH_MAX];
+
+ if (!path) {
+ path = temp;
+ }
+
+ if (file->type == PSI_T_QUOTED_STRING && (!(flags & PSI_CPP_INCLUDE_NEXT) || file->text->val[0] == '/')) {
+ /* first try as is, full or relative path */
+ if (file->text->val[0] == '/') {
+ path = file->text->val;
+ } else {
+ char *dir;
+ size_t len;
+
+ strncpy(path, file->file->val, PATH_MAX);
+
+ dir = dirname(path);
+ len = strlen(dir);
+
+ assert(len + file->text->len + 1 < PATH_MAX);
+
+ memmove(path, dir, len);
+ path[len] = '/';
+ memcpy(&(path)[len + 1], file->text->val, file->text->len + 1);
+ }
+
+ PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP %s trying %s\n",
+ include_flavor[flags], path);
+ if (0 == eaccess(path, R_OK)) {
+ return true;
+ }
+ }
+
+ /* look through search paths */
+ if (file->text->val[0] != '/') {
+ const char *sep;
+ int p_len;
+
+ if ((flags & PSI_CPP_INCLUDE_NEXT) && cpp->search) {
+ if ((sep = strchr(cpp->search, ':'))) {
+ cpp->search = sep + 1;
+ } else {
+ /* point to end of string */
+ cpp->search += strlen(cpp->search);
+ }
+ }
+
+ if (!(flags & PSI_CPP_INCLUDE_NEXT)) {
+ cpp->search = PSI_G(search_path);
+ }
+
+ do {
+ int d_len;
+
+ sep = strchr(cpp->search, ':');
+ d_len = sep ? sep - cpp->search : strlen(cpp->search);
+
+ if (PATH_MAX > (p_len = snprintf(path, PATH_MAX, "%.*s/%.*s", d_len, cpp->search, (int) file->text->len, file->text->val))) {
+ PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP %s trying %s\n",
+ include_flavor[flags], path);
+ if (0 == eaccess(path, R_OK)) {
+ return true;
+ }
+ }
+
+ if (sep) {
+ cpp->search = sep + 1;
+ }
+ } while (sep);
+ }
+
+ return false;
+}
projects / m6w6 / ext-psi / blobdiff