X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Fcpp.c;h=4982c7842337b8a4d8bcc26780b8af95b73e9cbd;hp=0f048b4209d0cfd01c554a1d61e9feffe098af30;hb=a7ac1c0a3c855321f21682c127a4b707de33a303;hpb=09529efcde471127419e141807b83b37077003a0 diff --git a/src/cpp.c b/src/cpp.c index 0f048b4..4982c78 100644 --- a/src/cpp.c +++ b/src/cpp.c @@ -46,7 +46,7 @@ PHP_MINIT_FUNCTION(psi_cpp) 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, NULL, 0)) { + if (!psi_parser_init(&parser, psi_error_wrapper, PSI_SILENT)) { return FAILURE; } @@ -98,7 +98,7 @@ static void free_cpp_def(zval *p) 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->once, 0, NULL, NULL, 1); @@ -108,13 +108,18 @@ struct psi_cpp *psi_cpp_init(struct psi_parser *P) return cpp; } -#if PSI_CPP_DEBUG +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) { - fflush(stderr); dprintf(2, "PSI: CPP decl -> #define "); psi_cpp_macro_decl_dump(2, decl); dprintf(2, "\n"); @@ -128,7 +133,7 @@ void psi_cpp_free(struct psi_cpp **cpp_ptr) if (*cpp_ptr) { struct psi_cpp *cpp = *cpp_ptr; -#if PSI_CPP_DEBUG +#if PSI_CPP_DEBUG > 1 zend_hash_apply(&cpp->defs, dump_def); #endif *cpp_ptr = NULL; @@ -251,7 +256,7 @@ static bool psi_cpp_stage2(struct psi_cpp *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; @@ -267,7 +272,7 @@ static bool psi_cpp_stage2(struct psi_cpp *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; @@ -279,7 +284,7 @@ static bool psi_cpp_stage2(struct psi_cpp *cpp) 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; @@ -291,7 +296,7 @@ static bool psi_cpp_stage2(struct psi_cpp *cpp) } 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 } } @@ -301,7 +306,7 @@ static bool psi_cpp_stage2(struct psi_cpp *cpp) 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 } } @@ -310,8 +315,8 @@ static bool psi_cpp_stage2(struct psi_cpp *cpp) if (cpp->skip) { 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; @@ -352,7 +357,7 @@ static bool psi_cpp_stage2(struct psi_cpp *cpp) } #if PSI_CPP_DEBUG > 1 - psi_cpp_tokiter_dump(2, cpp); + PSI_DEBUG_DUMP(cpp->parser, psi_cpp_tokiter_dump, cpp); #endif continue; @@ -370,7 +375,7 @@ static bool psi_cpp_stage2(struct psi_cpp *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; @@ -390,8 +395,11 @@ bool psi_cpp_process(struct psi_cpp *cpp, struct psi_plist **tokens) if (temp.tokens.iter) { cpp->tokens.iter = temp.tokens.iter; cpp->tokens.next = temp.tokens.next; - cpp->index = temp.index; } + cpp->index = temp.index; + cpp->skip = temp.skip; + cpp->level = temp.level; + cpp->seen = temp.seen; return parsed; } @@ -401,18 +409,21 @@ bool psi_cpp_defined(struct psi_cpp *cpp, struct psi_token *tok) bool defined; if (tok->type == PSI_T_NAME) { - defined = zend_hash_exists(&cpp->defs, tok->text); + 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_find_ptr(&cpp->defs, tok->text); - fprintf(stderr, " @ %s:%u ", macro->token->file->val, macro->token->line); + 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; @@ -430,12 +441,12 @@ void psi_cpp_define(struct psi_cpp *cpp, struct psi_cpp_macro_decl *decl) } #if PSI_CPP_DEBUG if (decl->exp) { - fprintf(stderr, "PSI: CPP MACRO num_exp -> %s ", decl->token->text->val); + PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP MACRO num_exp -> "); } else { - fprintf(stderr, "PSI: CPP MACRO decl -> %s ", decl->token->text->val); + PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP MACRO decl -> "); } - psi_cpp_macro_decl_dump(2, decl); - fprintf(stderr, "\n"); + 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); } @@ -449,93 +460,105 @@ bool psi_cpp_if(struct psi_cpp *cpp, struct psi_cpp_exp *exp) { struct psi_validate_scope scope = {0}; - scope.defs = &cpp->defs; + scope.cpp = cpp; if (!psi_num_exp_validate(PSI_DATA(cpp->parser), exp->data.num, &scope)) { return false; } - if (!psi_num_exp_get_long(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); - - include = psi_parser_open_file(cpp->parser, path, false); - if (include) { - struct psi_plist *tokens; - - PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP include scanning %s\n", path); - - tokens = psi_parser_scan(cpp->parser, include); - if (tokens) { - *parsed = psi_cpp_process(cpp, &tokens); - - if (*parsed) { - size_t num_tokens = psi_plist_count(tokens); + if (!psi_cpp_has_include(cpp, file, flags, path)) { + return false; + } - ++cpp->expanded; - psi_cpp_tokiter_add_range(cpp, num_tokens, psi_plist_eles(tokens)); - free(tokens); - } else { - psi_plist_free(tokens); - } + if (flags & PSI_CPP_INCLUDE_ONCE) { + if (zend_hash_str_exists(&cpp->once, path, strlen(path))) { + return true; } - psi_parser_input_free(&include); + } + + PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP %s opening %s\n", + include_flavor[flags], path); - zend_hash_str_add_empty_element(&cpp->once, path, strlen(path)); - return true; + include = psi_parser_open_file(cpp->parser, path, false); + if (!include) { + return false; } - return false; -} -static inline void include_path(const struct psi_token *file, char **path) -{ - if (file->text->val[0] == '/') { - *path = file->text->val; - } else { - char *dir; - size_t len; + zend_hash_str_add_empty_element(&cpp->once, path, strlen(path)); - strncpy(*path, file->file->val, PATH_MAX); + PSI_DEBUG_PRINT(cpp->parser, "PSI: CPP include scanning %s\n", path); - dir = dirname(*path); - len = strlen(dir); + tokens = psi_parser_scan(cpp->parser, include); + psi_parser_input_free(&include); - assert(len + file->text->len + 1 < PATH_MAX); + if (!tokens) { + return false; + } - memmove(*path, dir, len); - (*path)[len] = '/'; - memcpy(&(*path)[len + 1], file->text->val, file->text->len + 1); + parsed = psi_cpp_process(cpp, &tokens); + 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; } -bool psi_cpp_include(struct psi_cpp *cpp, const struct psi_token *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; + 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 */ - char temp[PATH_MAX], *path = temp; + if (file->text->val[0] == '/') { + path = file->text->val; + } else { + char *dir; + size_t len; - include_path(file, &path); + strncpy(path, file->file->val, PATH_MAX); - if ((flags & PSI_CPP_INCLUDE_ONCE) && zend_hash_str_exists(&cpp->once, path, strlen(path))) { - return true; + 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, path, &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->text->val[0] != '/') { - char path[PATH_MAX]; const char *sep; int p_len; @@ -559,12 +582,11 @@ bool psi_cpp_include(struct psi_cpp *cpp, const struct psi_token *file, unsigned 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))) { - if ((flags & PSI_CPP_INCLUDE_ONCE) && zend_hash_str_exists(&cpp->once, path, p_len)) { - return true; - } - if (try_include(cpp, path, &parsed)) { - break; - } + 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) { @@ -573,5 +595,5 @@ bool psi_cpp_include(struct psi_cpp *cpp, const struct psi_token *file, unsigned } while (sep); } - return parsed; + return false; }