/* -*-C-*- * IDL Compiler * * Copyright 2002 Ove Kaaven * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ %option bison-bridge %option stack %option noinput nounput noyy_top_state %option noyywrap %option 8bit never-interactive prefix="parser_" nl \r?\n ws [ \f\t\r] cident [a-zA-Z_][0-9a-zA-Z_]* u_suffix (u|U) l_suffix (l|L) int [0-9]+({l_suffix}?{u_suffix}?|{u_suffix}?{l_suffix}?)? hexd [0-9a-fA-F] hex 0(x|X){hexd}+({l_suffix}?{u_suffix}?|{u_suffix}?{l_suffix}?)? uuid {hexd}{8}-{hexd}{4}-{hexd}{4}-{hexd}{4}-{hexd}{12} double [0-9]+\.[0-9]+([eE][+-]?[0-9]+)* %x ATTR %x PP_LINE %x PP_PRAGMA %{ #include "config.h" #include #include #include #include #include #include #include #define YY_NO_UNISTD_H #include "widl.h" #include "utils.h" #include "parser.h" #include "wpp_private.h" #define YYerror PARSER_error #define YYSTYPE PARSER_STYPE #define YYUNDEF PARSER_UNDEF #define yyerror parser_error #include "parser.tab.h" static int kw_token(const char *kw, YYSTYPE *yylval); static int attr_token(const char *kw, YYSTYPE *yylval); static void switch_to_acf(void); static warning_list_t *disabled_warnings = NULL; struct import_state { YY_BUFFER_STATE buffer; char *input_name; int line_number; struct list entry; }; static struct list import_stack = LIST_INIT( import_stack ); int parse_only = 0; struct import { const char *name; struct list entry; }; static struct list imports = LIST_INIT( imports ); /* converts an integer in string form to an unsigned long and prints an error * on overflow */ static unsigned int xstrtoul(const char *nptr, char **endptr, int base) { unsigned long val; errno = 0; val = strtoul(nptr, endptr, base); if ((val == ULONG_MAX && errno == ERANGE) || ((unsigned int)val != val)) error_loc("integer constant %s is too large\n", nptr); return val; } struct uuid *parse_uuid(const char *u) { struct uuid* uuid = xmalloc(sizeof(*uuid)); char b[3]; /* it would be nice to use UuidFromStringA */ uuid->Data1 = strtoul(u, NULL, 16); uuid->Data2 = strtoul(u+9, NULL, 16); uuid->Data3 = strtoul(u+14, NULL, 16); b[2] = 0; memcpy(b, u+19, 2); uuid->Data4[0] = strtoul(b, NULL, 16); memcpy(b, u+21, 2); uuid->Data4[1] = strtoul(b, NULL, 16); memcpy(b, u+24, 2); uuid->Data4[2] = strtoul(b, NULL, 16); memcpy(b, u+26, 2); uuid->Data4[3] = strtoul(b, NULL, 16); memcpy(b, u+28, 2); uuid->Data4[4] = strtoul(b, NULL, 16); memcpy(b, u+30, 2); uuid->Data4[5] = strtoul(b, NULL, 16); memcpy(b, u+32, 2); uuid->Data4[6] = strtoul(b, NULL, 16); memcpy(b, u+34, 2); uuid->Data4[7] = strtoul(b, NULL, 16); return uuid; } static int token_str( int token, const char *str, YYSTYPE *yylval ) { char *tmp = xstrdup( str ); if (token == aWSTRING || token == aSTRING || token == aSQSTRING) { char *src, *dst; src = dst = ++tmp; /* skip first quote */ while (*src) { if (*src == '\\') src++; *dst++ = *src++; } dst[-1] = 0; /* strip last quote */ } yylval->str = tmp; return token; } static int token_num( int token, const char *yytext, YYSTYPE *yylval ) { yylval->num = xstrtoul( yytext, NULL, 0 ); return token; } %} /* ************************************************************************** * The flexer starts here ************************************************************************** */ %% [^\n]* { int lineno; char *cptr, *fname; yy_pop_state(); lineno = (int)strtol(yytext, &cptr, 10); if(!lineno) error_loc("Malformed '#...' line-directive; invalid linenumber\n"); fname = strchr(cptr, '"'); if(!fname) error_loc("Malformed '#...' line-directive; missing filename\n"); fname++; cptr = strchr(fname, '"'); if(!cptr) error_loc("Malformed '#...' line-directive; missing terminating \"\n"); *cptr = '\0'; line_number = lineno - 1; /* We didn't read the newline */ input_name = xstrdup(fname); } midl_echo[^\n]* yyless(9); yy_pop_state(); return tCPPQUOTE; winrt[^\n]* { if (!list_empty( &import_stack )) { if(!winrt_mode) error_loc("winrt IDL file imported in non-winrt mode\n"); }else { const char *ptr = yytext+5; winrt_mode = TRUE; while(isspace(*ptr)) ptr++; if(!strncmp(ptr, "ns_prefix", 9) && (!*(ptr += 9) || isspace(*ptr))) use_abi_namespace = TRUE; } yy_pop_state(); } [^\n]* yylval->str = xstrdup(yytext); yy_pop_state(); return aPRAGMA; { \] { yy_pop_state(); return ']'; } {cident} { return attr_token( yytext, yylval ); } {uuid} { yylval->uuid = parse_uuid( yytext ); return aUUID; } } { ^{ws}*\#{ws}*pragma{ws}+ { yy_push_state( PP_PRAGMA ); } ^{ws}*midl_pragma{ws}+warning { return tPRAGMA_WARNING; } {double} { yylval->dbl = strtod( yytext, NULL ); return aDOUBLE; } } SAFEARRAY{ws}*/\( return tSAFEARRAY; {cident} return kw_token(yytext, yylval); { ^{ws}*\#{ws}* { yy_push_state(PP_LINE); } \[ { yy_push_state(ATTR); return '['; } {hex} { return token_num( aHEXNUM, yytext, yylval ); } {int} { return token_num( aNUM, yytext, yylval ); } L\"(\\.|[^"\\])*\" { return token_str( aWSTRING, yytext + 1, yylval ); } \"(\\.|[^"\\])*\" { return token_str( aSTRING, yytext, yylval ); } \'(\\.|[^'\\])*\' { return token_str( aSQSTRING, yytext, yylval ); } \n { line_number++; } {ws} {} \<\< { return SHL; } \>\> { return SHR; } \-\> { return MEMBERPTR; } == { return EQUALITY; } != { return INEQUALITY; } \>= { return GREATEREQUAL; } \<= { return LESSEQUAL; } \|\| { return LOGICALOR; } && { return LOGICALAND; } \.\.\. { return ELLIPSIS; } . { return yytext[0]; } } <> { if (!list_empty( &import_stack )) return aEOF; if (acf_name) { switch_to_acf(); return aACF; } yyterminate(); } %% struct keyword { const char *kw; int token; int winrt_only : 1; }; /* This table MUST be alphabetically sorted on the kw field */ static const struct keyword keywords[] = { {"FALSE", tFALSE, 0}, {"NULL", tNULL, 0}, {"TRUE", tTRUE, 0}, {"__cdecl", tCDECL, 0}, {"__fastcall", tFASTCALL, 0}, {"__int32", tINT32, 0}, {"__int3264", tINT3264, 0}, {"__int64", tINT64, 0}, {"__pascal", tPASCAL, 0}, {"__stdcall", tSTDCALL, 0}, {"_cdecl", tCDECL, 0}, {"_fastcall", tFASTCALL, 0}, {"_pascal", tPASCAL, 0}, {"_stdcall", tSTDCALL, 0}, {"apicontract", tAPICONTRACT, 1}, {"boolean", tBOOLEAN, 0}, {"byte", tBYTE, 0}, {"case", tCASE, 0}, {"cdecl", tCDECL, 0}, {"char", tCHAR, 0}, {"coclass", tCOCLASS, 0}, {"const", tCONST, 0}, {"cpp_quote", tCPPQUOTE, 0}, {"declare", tDECLARE, 1}, {"default", tDEFAULT, 0}, {"delegate", tDELEGATE, 1}, {"dispinterface", tDISPINTERFACE, 0}, {"double", tDOUBLE, 0}, {"enum", tENUM, 0}, {"error_status_t", tERRORSTATUST, 0}, {"extern", tEXTERN, 0}, {"float", tFLOAT, 0}, {"handle_t", tHANDLET, 0}, {"hyper", tHYPER, 0}, {"import", tIMPORT, 0}, {"importlib", tIMPORTLIB, 0}, {"inline", tINLINE, 0}, {"int", tINT, 0}, {"interface", tINTERFACE, 0}, {"library", tLIBRARY, 0}, {"long", tLONG, 0}, {"methods", tMETHODS, 0}, {"module", tMODULE, 0}, {"namespace", tNAMESPACE, 1}, {"pascal", tPASCAL, 0}, {"properties", tPROPERTIES, 0}, {"register", tREGISTER, 0}, {"requires", tREQUIRES, 1}, {"runtimeclass", tRUNTIMECLASS, 1}, {"short", tSHORT, 0}, {"signed", tSIGNED, 0}, {"sizeof", tSIZEOF, 0}, {"small", tSMALL, 0}, {"static", tSTATIC, 0}, {"stdcall", tSTDCALL, 0}, {"struct", tSTRUCT, 0}, {"switch", tSWITCH, 0}, {"typedef", tTYPEDEF, 0}, {"union", tUNION, 0}, {"unsigned", tUNSIGNED, 0}, {"void", tVOID, 0}, {"wchar_t", tWCHAR, 0}, }; #define NKEYWORDS (sizeof(keywords)/sizeof(keywords[0])) /* keywords only recognized in attribute lists * This table MUST be alphabetically sorted on the kw field */ static const struct keyword attr_keywords[] = { {"activatable", tACTIVATABLE, 1}, {"aggregatable", tAGGREGATABLE, 0}, {"agile", tAGILE, 1}, {"all_nodes", tALLNODES, 0}, {"allocate", tALLOCATE, 0}, {"annotation", tANNOTATION, 0}, {"apartment", tAPARTMENT, 0}, {"appobject", tAPPOBJECT, 0}, {"async", tASYNC, 0}, {"async_uuid", tASYNCUUID, 0}, {"auto_handle", tAUTOHANDLE, 0}, {"bindable", tBINDABLE, 0}, {"both", tBOTH, 0}, {"broadcast", tBROADCAST, 0}, {"byte_count", tBYTECOUNT, 0}, {"call_as", tCALLAS, 0}, {"callback", tCALLBACK, 0}, {"code", tCODE, 0}, {"comm_status", tCOMMSTATUS, 0}, {"context_handle", tCONTEXTHANDLE, 0}, {"context_handle_noserialize", tCONTEXTHANDLENOSERIALIZE, 0}, {"context_handle_serialize", tCONTEXTHANDLENOSERIALIZE, 0}, {"contract", tCONTRACT, 1}, {"contractversion", tCONTRACTVERSION, 1}, {"control", tCONTROL, 0}, {"custom", tCUSTOM, 0}, {"decode", tDECODE, 0}, {"defaultbind", tDEFAULTBIND, 0}, {"defaultcollelem", tDEFAULTCOLLELEM, 0}, {"defaultvalue", tDEFAULTVALUE, 0}, {"defaultvtable", tDEFAULTVTABLE, 0}, {"disable_consistency_check", tDISABLECONSISTENCYCHECK, 0}, {"displaybind", tDISPLAYBIND, 0}, {"dllname", tDLLNAME, 0}, {"dont_free", tDONTFREE, 0}, {"dual", tDUAL, 0}, {"enable_allocate", tENABLEALLOCATE, 0}, {"encode", tENCODE, 0}, {"endpoint", tENDPOINT, 0}, {"entry", tENTRY, 0}, {"eventadd", tEVENTADD, 1}, {"eventremove", tEVENTREMOVE, 1}, {"exclusiveto", tEXCLUSIVETO, 1}, {"explicit_handle", tEXPLICITHANDLE, 0}, {"fault_status", tFAULTSTATUS, 0}, {"flags", tFLAGS, 1}, {"force_allocate", tFORCEALLOCATE, 0}, {"free", tFREE, 0}, {"handle", tHANDLE, 0}, {"helpcontext", tHELPCONTEXT, 0}, {"helpfile", tHELPFILE, 0}, {"helpstring", tHELPSTRING, 0}, {"helpstringcontext", tHELPSTRINGCONTEXT, 0}, {"helpstringdll", tHELPSTRINGDLL, 0}, {"hidden", tHIDDEN, 0}, {"id", tID, 0}, {"idempotent", tIDEMPOTENT, 0}, {"ignore", tIGNORE, 0}, {"iid_is", tIIDIS, 0}, {"immediatebind", tIMMEDIATEBIND, 0}, {"implicit_handle", tIMPLICITHANDLE, 0}, {"in", tIN, 0}, {"in_line", tIN_LINE, 0}, {"input_sync", tINPUTSYNC, 0}, {"lcid", tLCID, 0}, {"length_is", tLENGTHIS, 0}, {"licensed", tLICENSED, 0}, {"local", tLOCAL, 0}, {"marshaling_behavior", tMARSHALINGBEHAVIOR, 1}, {"maybe", tMAYBE, 0}, {"message", tMESSAGE, 0}, {"mta" , tMTA, 0}, {"neutral", tNEUTRAL, 0}, {"nocode", tNOCODE, 0}, {"nonbrowsable", tNONBROWSABLE, 0}, {"noncreatable", tNONCREATABLE, 0}, {"none", tNONE, 1}, {"nonextensible", tNONEXTENSIBLE, 0}, {"notify", tNOTIFY, 0}, {"notify_flag", tNOTIFYFLAG, 0}, {"object", tOBJECT, 0}, {"odl", tODL, 0}, {"oleautomation", tOLEAUTOMATION, 0}, {"optimize", tOPTIMIZE, 0}, {"optional", tOPTIONAL, 0}, {"out", tOUT, 0}, {"overload", tOVERLOAD, 0}, {"partial_ignore", tPARTIALIGNORE, 0}, {"pointer_default", tPOINTERDEFAULT, 0}, {"progid", tPROGID, 0}, {"propget", tPROPGET, 0}, {"propput", tPROPPUT, 0}, {"propputref", tPROPPUTREF, 0}, {"proxy", tPROXY, 0}, {"ptr", tPTR, 0}, {"public", tPUBLIC, 0}, {"range", tRANGE, 0}, {"readonly", tREADONLY, 0}, {"ref", tREF, 0}, {"represent_as", tREPRESENTAS, 0}, {"requestedit", tREQUESTEDIT, 0}, {"restricted", tRESTRICTED, 0}, {"retval", tRETVAL, 0}, {"single", tSINGLE, 0}, {"single_node", tSINGLENODE, 0}, {"size_is", tSIZEIS, 0}, {"source", tSOURCE, 0}, {"standard", tSTANDARD, 1}, {"static", tSTATIC, 1}, {"strict_context_handle", tSTRICTCONTEXTHANDLE, 0}, {"string", tSTRING, 0}, {"switch_is", tSWITCHIS, 0}, {"switch_type", tSWITCHTYPE, 0}, {"threading", tTHREADING, 0}, {"transmit_as", tTRANSMITAS, 0}, {"uidefault", tUIDEFAULT, 0}, {"unique", tUNIQUE, 0}, {"user_marshal", tUSERMARSHAL, 0}, {"usesgetlasterror", tUSESGETLASTERROR, 0}, {"uuid", tUUID, 0}, {"v1_enum", tV1ENUM, 0}, {"vararg", tVARARG, 0}, {"version", tVERSION, 0}, {"vi_progid", tVIPROGID, 0}, {"wire_marshal", tWIREMARSHAL, 0}, }; /* attributes TODO: first_is last_is max_is min_is */ #define KWP(p) ((const struct keyword *)(p)) static int kw_cmp_func(const void *s1, const void *s2) { return strcmp(KWP(s1)->kw, KWP(s2)->kw); } static int kw_token(const char *kw, YYSTYPE *yylval) { struct keyword key, *kwp; key.kw = kw; kwp = bsearch(&key, keywords, NKEYWORDS, sizeof(keywords[0]), kw_cmp_func); if (kwp && (!kwp->winrt_only || winrt_mode)) { yylval->str = xstrdup(kwp->kw); return kwp->token; } yylval->str = xstrdup(kw); return is_type(kw) ? aKNOWNTYPE : aIDENTIFIER; } static int attr_token(const char *kw, YYSTYPE *yylval) { struct keyword key, *kwp; key.kw = kw; kwp = bsearch(&key, attr_keywords, sizeof(attr_keywords)/sizeof(attr_keywords[0]), sizeof(attr_keywords[0]), kw_cmp_func); if (kwp && (!kwp->winrt_only || winrt_mode)) { yylval->str = xstrdup(kwp->kw); return kwp->token; } return kw_token(kw, yylval); } void pop_import(void) { struct list *entry = list_head( &import_stack ); struct import_state *state; assert( entry ); state = LIST_ENTRY( entry, struct import_state, entry ); list_remove( &state->entry ); parse_only = !list_empty( &import_stack ); if (yyin) fclose( yyin ); yy_delete_buffer( YY_CURRENT_BUFFER ); yy_switch_to_buffer( state->buffer ); input_name = state->input_name; line_number = state->line_number; free( state ); } void push_import( char *import_name ) { struct import_state *state; struct import *import; FILE *file; state = xmalloc( sizeof(struct import_state )); list_add_head( &import_stack, &state->entry ); parse_only = !list_empty( &import_stack ); state->buffer = YY_CURRENT_BUFFER; state->input_name = input_name; state->line_number = line_number; input_name = NULL; /* reset buffer for <>, in case import fails or already imported */ yy_scan_string( "" ); LIST_FOR_EACH_ENTRY( import, &imports, struct import, entry ) if (!strcmp( import->name, import_name )) return; /* already imported */ import = xmalloc( sizeof(struct import) ); import->name = xstrdup( import_name ); list_add_tail( &imports, &import->entry ); input_name = find_input_file( import_name, state->input_name ); file = open_input_file( input_name ); line_number = 1; yy_switch_to_buffer( yy_create_buffer( file, YY_BUF_SIZE ) ); } static void switch_to_acf(void) { FILE *file; if (yyin) fclose( yyin ); yy_delete_buffer( YY_CURRENT_BUFFER ); input_name = xstrdup( acf_name ); file = open_input_file( input_name ); line_number = 1; acf_name = NULL; yy_switch_to_buffer( yy_create_buffer( file, YY_BUF_SIZE ) ); } static void warning_disable(int warning) { warning_t *warning_entry; LIST_FOR_EACH_ENTRY(warning_entry, disabled_warnings, warning_t, entry) if(warning_entry->num == warning) return; warning_entry = xmalloc( sizeof(*warning_entry) ); warning_entry->num = warning; list_add_tail(disabled_warnings, &warning_entry->entry); } static void warning_enable(int warning) { warning_t *warning_entry; LIST_FOR_EACH_ENTRY(warning_entry, disabled_warnings, warning_t, entry) if(warning_entry->num == warning) { list_remove(&warning_entry->entry); free(warning_entry); break; } } int do_warning(const char *toggle, warning_list_t *wnum) { warning_t *warning, *next; int ret = 1; if(!disabled_warnings) { disabled_warnings = xmalloc( sizeof(*disabled_warnings) ); list_init( disabled_warnings ); } if(!strcmp(toggle, "disable")) LIST_FOR_EACH_ENTRY(warning, wnum, warning_t, entry) warning_disable(warning->num); else if(!strcmp(toggle, "enable") || !strcmp(toggle, "default")) LIST_FOR_EACH_ENTRY(warning, wnum, warning_t, entry) warning_enable(warning->num); else ret = 0; LIST_FOR_EACH_ENTRY_SAFE(warning, next, wnum, warning_t, entry) free(warning); return ret; } int is_warning_enabled(int warning) { warning_t *warning_entry; if(!disabled_warnings) return 1; LIST_FOR_EACH_ENTRY(warning_entry, disabled_warnings, warning_t, entry) if(warning_entry->num == warning) return 0; return 1; }