#include "php_psi_stdinc.h"
+#include <libgen.h>
+
#include "cpp.h"
#include "parser.h"
#include "php_psi.h"
+HashTable psi_cpp_defaults;
+
+PHP_MINIT_FUNCTION(psi_cpp)
+{
+ 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;
+}
+
+PHP_MSHUTDOWN_FUNCTION(psi_cpp)
+{
+ 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 void free_cpp_def(zval *p)
{
if (Z_TYPE_P(p) == IS_PTR) {
- psi_cpp_macro_decl_free((void *) &Z_PTR_P(p));
+ 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);
+ }
}
}
struct psi_cpp *psi_cpp_init(struct psi_parser *P)
{
- struct psi_cpp *cpp = calloc(1, sizeof(*cpp));
+ struct psi_cpp *cpp = pecalloc(1, sizeof(*cpp), 1);
cpp->parser = P;
- zend_hash_init(&cpp->defs, 0, NULL, free_cpp_def, 1);
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);
return cpp;
}
-bool psi_cpp_load_defaults(struct psi_cpp *cpp)
-{
- struct psi_parser_input *predef;
-
- if ((predef = psi_parser_open_string(cpp->parser, psi_cpp_predef, sizeof(psi_cpp_predef) - 1))) {
- bool parsed = psi_parser_parse(cpp->parser, predef);
- free(predef);
- return parsed;
- }
-
- return false;
-}
+static char *include_flavor[] = {
+ "include",
+ "include next",
+ "include once"
+};
+#if PSI_CPP_DEBUG > 1
static int dump_def(zval *p)
{
struct psi_cpp_macro_decl *decl = Z_PTR_P(p);
if (decl) {
- dprintf(2, "#define ");
+ dprintf(2, "PSI: CPP decl -> #define ");
psi_cpp_macro_decl_dump(2, decl);
dprintf(2, "\n");
}
return ZEND_HASH_APPLY_KEEP;
}
+#endif
void psi_cpp_free(struct psi_cpp **cpp_ptr)
{
if (*cpp_ptr) {
struct psi_cpp *cpp = *cpp_ptr;
+#if PSI_CPP_DEBUG > 1
+ zend_hash_apply(&cpp->defs, dump_def);
+#endif
*cpp_ptr = NULL;
- if (cpp->parser->flags & PSI_DEBUG) {
- fprintf(stderr, "PSI: CPP decls:\n");
- zend_hash_apply(&cpp->defs, dump_def);
- }
zend_hash_destroy(&cpp->defs);
zend_hash_destroy(&cpp->once);
free(cpp);
/* 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;
}
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 = zend_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);
}
}
} 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;
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;
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;
} 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
}
}
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 PSI_CPP_DEBUG
- fprintf(stderr, "PSI: CPP skip ");
- psi_token_dump(2, current);
+ 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;
}
#if PSI_CPP_DEBUG > 1
- psi_cpp_tokiter_dump(2, cpp);
+ PSI_DEBUG_DUMP(cpp->parser, psi_cpp_tokiter_dump, cpp);
#endif
continue;
}
+ psi_cpp_tokiter_add_cur(cpp);
psi_cpp_tokiter_next(cpp);
}
bool psi_cpp_process(struct psi_cpp *cpp, struct psi_plist **tokens)
{
bool parsed = false;
- struct psi_cpp temp = *cpp;
+ struct psi_cpp temp = *cpp; cpp->level = temp.level;
+
+ cpp->tokens.iter = *tokens;
+ cpp->tokens.next = NULL;
- cpp->tokens = *tokens;
if (psi_cpp_stage1(cpp) && psi_cpp_stage2(cpp)) {
parsed = true;
}
- *tokens = cpp->tokens;
- if (temp.tokens) {
- cpp->tokens = temp.tokens;
- cpp->index = temp.index;
+ if (cpp->tokens.next) {
+ free(cpp->tokens.iter);
+ cpp->tokens.iter = cpp->tokens.next;
+ cpp->tokens.next = NULL;
+ }
+
+ *tokens = cpp->tokens.iter;
+
+ if (temp.tokens.iter) {
+ cpp->tokens.iter = temp.tokens.iter;
+ cpp->tokens.next = temp.tokens.next;
}
+ cpp->index = temp.index;
+ cpp->skip = temp.skip;
+ cpp->level = temp.level;
+ cpp->seen = temp.seen;
return parsed;
}
bool defined;
if (tok->type == PSI_T_NAME) {
- defined = zend_hash_str_exists(&cpp->defs, tok->text, tok->size);
+ defined = zend_hash_exists(&cpp->defs, tok->text)
+ || psi_builtin_exists(tok->text);
} else {
defined = false;
}
#if PSI_CPP_DEBUG
- fprintf(stderr, "PSI: CPP defined -> %s ", defined ? "true" : "false");
+ PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP defined -> %s ", defined ? "true" : "false");
if (defined) {
- struct psi_cpp_macro_decl *macro = zend_hash_str_find_ptr(&cpp->defs, tok->text, tok->size);
- fprintf(stderr, " @ %s:%u ", macro->token->file, macro->token->line);
+ 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);
+ }
}
- psi_token_dump(2, tok);
+ PSI_DEBUG_DUMP(cpp->parser, psi_token_dump, tok);
#endif
return defined;
void psi_cpp_define(struct psi_cpp *cpp, struct psi_cpp_macro_decl *decl)
{
- struct psi_cpp_macro_decl *old = zend_hash_str_find_ptr(&cpp->defs, decl->token->text, decl->token->size);
+ 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);
+ "'%s' redefined", decl->token->text->val);
cpp->parser->error(PSI_DATA(cpp->parser), old->token, PSI_WARNING,
- "'%s' previously defined", old->token->text);
+ "'%s' previously defined", old->token->text->val);
+ }
+#if PSI_CPP_DEBUG
+ if (decl->exp) {
+ PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP MACRO num_exp -> ");
+ } else {
+ PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP MACRO decl -> ");
}
- zend_hash_str_update_ptr(&cpp->defs, decl->token->text, decl->token->size, 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 *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 *cpp, struct psi_cpp_exp *exp)
{
- if (!psi_num_exp_validate(PSI_DATA(cpp->parser), 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, &cpp->defs)) {
+ if (!psi_num_exp_get_long(exp->data.num, NULL, cpp)) {
return false;
}
return true;
}
-static inline bool try_include(struct psi_cpp *cpp, const char *path, bool *parsed)
+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;
- PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP include trying %s\n", path);
+ 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) {
- struct psi_plist *tokens;
+ if (!include) {
+ return false;
+ }
- PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP include scanning %s\n", path);
+ zend_hash_str_add_empty_element(&cpp->once, path, strlen(path));
- tokens = psi_parser_scan(cpp->parser, include);
- if (tokens) {
- *parsed = psi_cpp_process(cpp, &tokens);
+ PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP include scanning %s\n", path);
- if (*parsed) {
- size_t num_tokens = psi_plist_count(tokens);
+ tokens = psi_parser_scan(cpp->parser, include);
+ psi_parser_input_free(&include);
- ++cpp->expanded;
- psi_cpp_tokiter_ins_range(cpp, cpp->index,
- num_tokens, psi_plist_eles(tokens));
- /* skip already processed tokens */
- cpp->index += num_tokens;
- free(tokens);
- } else {
- psi_plist_free(tokens);
- }
- }
- free(include);
+ if (!tokens) {
+ return false;
+ }
- zend_hash_str_add_empty_element(&cpp->once, path, strlen(path));
- return true;
+ parsed = psi_cpp_process(cpp, &tokens);
+ if (!parsed) {
+ psi_plist_free(tokens);
+ return false;
}
- return false;
+
+ psi_cpp_tokiter_add_range(cpp, psi_plist_count(tokens), psi_plist_eles(tokens));
+ free(tokens);
+
+ ++cpp->expanded;
+ return true;
}
-bool psi_cpp_include(struct psi_cpp *cpp, const char *file, unsigned flags)
+#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)
{
- bool parsed = false;
- int f_len = strlen(file);
+ char temp[PATH_MAX];
- if (!(flags & PSI_CPP_INCLUDE_NEXT) || *file == '/') {
+ 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 ((flags & PSI_CPP_INCLUDE_ONCE) && zend_hash_str_exists(&cpp->once, file, f_len)) {
- return true;
+ 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);
}
- if (try_include(cpp, file, &parsed)) {
- /* found */
- return parsed;
+
+ 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 != '/') {
- char path[PATH_MAX];
+ if (file->text->val[0] != '/') {
const char *sep;
int p_len;
}
}
- if (!(flags & PSI_CPP_INCLUDE_NEXT) || !cpp->search) {
+ if (!(flags & PSI_CPP_INCLUDE_NEXT)) {
cpp->search = PSI_G(search_path);
}
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, f_len, file))) {
- if ((flags & PSI_CPP_INCLUDE_ONCE) && zend_hash_str_exists(&cpp->once, path, p_len)) {
- return true;
- }
- if (try_include(cpp, path, &parsed)) {
- break;
- }
+ 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) {
} while (sep);
}
- return parsed;
+ return false;
}
projects / m6w6 / ext-psi / blobdiff