/* -*-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 stack %option nounput noyy_top_state %option 8bit never-interactive nl \r?\n ws [ \f\t\r] cident [a-zA-Z_][0-9a-zA-Z_]* int [0-9]+ hexd [0-9a-fA-F] hex 0x{hexd}+ uuid {hexd}{8}-{hexd}{4}-{hexd}{4}-{hexd}{4}-{hexd}{12} %x QUOTE %x pp_line %{ #include "config.h" #include #include #include #include #include #ifdef HAVE_UNISTD_H # include #endif #include "widl.h" #include "utils.h" #include "parser.h" #include "wine/wpp.h" #include "parser.tab.h" extern char *temp_name; static void addcchar(char c); static char *get_buffered_cstring(void); static char *cbuffer; static int cbufidx; static int cbufalloc = 0; static int kw_token(const char *kw); #define MAX_IMPORT_DEPTH 10 struct { YY_BUFFER_STATE state; char *input_name; int line_number; char *temp_name; } import_stack[MAX_IMPORT_DEPTH]; int import_stack_ptr = 0; static void pop_import(void); static UUID* parse_uuid(const char*u) { 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; } %} /* ************************************************************************** * The flexer starts here ************************************************************************** */ %% ^{ws}*\#{ws}* yy_push_state(pp_line); [^\n]* { int lineno; char *cptr, *fname; yy_pop_state(); lineno = (int)strtol(yytext, &cptr, 10); if(!lineno) yyerror("Malformed '#...' line-directive; invalid linenumber"); fname = strchr(cptr, '"'); if(!fname) yyerror("Malformed '#...' line-directive; missing filename"); fname++; cptr = strchr(fname, '"'); if(!cptr) yyerror("Malformed '#...' line-directive; missing terminating \""); *cptr = '\0'; line_number = lineno - 1; /* We didn't read the newline */ free( input_name ); input_name = xstrdup(fname); } \" yy_push_state(QUOTE); cbufidx = 0; \" { yy_pop_state(); yylval.str = get_buffered_cstring(); return aSTRING; } \\\\ | \\\" addcchar(yytext[1]); \\. addcchar('\\'); addcchar(yytext[1]); . addcchar(yytext[0]); {uuid} { yylval.uuid = parse_uuid(yytext); return aUUID; } {hex} { yylval.num = strtoul(yytext, NULL, 0); return aHEXNUM; } {int} { yylval.num = strtoul(yytext, NULL, 0); return aNUM; } {cident} return kw_token(yytext); \n line_number++; {ws} \<\< return SHL; \>\> return SHR; . return yytext[0]; <> { if (import_stack_ptr) { pop_import(); return aEOF; } else yyterminate(); } %% #ifndef yywrap int yywrap(void) { return 1; } #endif static struct keyword { const char *kw; int token; int val; } keywords[] = { {"__cdecl", tCDECL}, {"__int64", tINT64}, {"__stdcall", tSTDCALL}, {"_stdcall", tSTDCALL}, {"aggregatable", tAGGREGATABLE}, {"allocate", tALLOCATE}, {"appobject", tAPPOBJECT}, {"async", tASYNC}, {"async_uuid", tASYNCUUID}, {"auto_handle", tAUTOHANDLE}, {"bindable", tBINDABLE}, {"boolean", tBOOLEAN}, {"broadcast", tBROADCAST}, {"byte", tBYTE}, {"byte_count", tBYTECOUNT}, {"call_as", tCALLAS}, {"callback", tCALLBACK}, {"case", tCASE}, {"char", tCHAR}, {"coclass", tCOCLASS}, {"code", tCODE}, {"comm_status", tCOMMSTATUS}, {"const", tCONST}, {"context_handle", tCONTEXTHANDLE}, {"context_handle_noserialize", tCONTEXTHANDLENOSERIALIZE}, {"context_handle_serialize", tCONTEXTHANDLENOSERIALIZE}, {"control", tCONTROL}, {"cpp_quote", tCPPQUOTE}, /* ... */ {"default", tDEFAULT}, {"defaultcollelem", tDEFAULTCOLLELEM}, {"defaultvalue", tDEFAULTVALUE}, {"defaultvtable", tDEFAULTVTABLE}, {"dispinterface", tDISPINTERFACE}, {"displaybind", tDISPLAYBIND}, {"dllname", tDLLNAME}, {"double", tDOUBLE}, {"dual", tDUAL}, {"endpoint", tENDPOINT}, {"entry", tENTRY}, {"enum", tENUM}, {"error_status_t", tERRORSTATUST}, {"explicit_handle", tEXPLICITHANDLE}, {"extern", tEXTERN}, {"float", tFLOAT}, {"handle", tHANDLE}, {"handle_t", tHANDLET}, {"helpcontext", tHELPCONTEXT}, {"helpfile", tHELPFILE}, {"helpstring", tHELPSTRING}, {"helpstringcontext", tHELPSTRINGCONTEXT}, {"helpstringdll", tHELPSTRINGDLL}, {"hidden", tHIDDEN}, {"hyper", tHYPER}, {"id", tID}, {"idempotent", tIDEMPOTENT}, /* ... */ {"iid_is", tIIDIS}, {"immediatebind", tIMMEDIATEBIND}, {"implicit_handle", tIMPLICITHANDLE}, {"import", tIMPORT}, {"importlib", tIMPORTLIB}, {"in", tIN}, {"in_line", tINLINE}, {"input_sync", tINPUTSYNC}, {"int", tINT}, /* ... */ {"interface", tINTERFACE}, {"lcid", tLCID}, {"length_is", tLENGTHIS}, {"library", tLIBRARY}, /* ... */ {"local", tLOCAL}, {"long", tLONG}, /* ... */ {"methods", tMETHODS}, /* ... */ {"module", tMODULE}, /* ... */ {"nonbrowsable", tNONBROWSABLE}, {"noncreatable", tNONCREATABLE}, {"nonextensible", tNONEXTENSIBLE}, {"object", tOBJECT}, {"odl", tODL}, {"oleautomation", tOLEAUTOMATION}, /* ... */ {"optional", tOPTIONAL}, {"out", tOUT}, /* ... */ {"pointer_default", tPOINTERDEFAULT}, /* ... */ {"properties", tPROPERTIES}, {"propget", tPROPGET}, {"propput", tPROPPUT}, {"propputref", tPROPPUTREF}, {"ptr", tPTR}, /* ... */ {"public", tPUBLIC}, {"range", tRANGE}, /* ... */ {"readonly", tREADONLY}, {"ref", tREF}, {"requestedit", tREQUESTEDIT}, {"restricted", tRESTRICTED}, {"retval", tRETVAL}, /* ... */ {"short", tSHORT}, {"signed", tSIGNED}, {"single", tSINGLE}, {"size_is", tSIZEIS}, {"sizeof", tSIZEOF}, {"small", tSMALL}, /* ... */ {"source", tSOURCE}, /* ... */ {"string", tSTRING}, {"struct", tSTRUCT}, {"switch", tSWITCH}, {"switch_is", tSWITCHIS}, {"switch_type", tSWITCHTYPE}, /* ... */ {"transmit_as", tTRANSMITAS}, {"typedef", tTYPEDEF}, {"union", tUNION}, /* ... */ {"unique", tUNIQUE}, {"unsigned", tUNSIGNED}, /* ... */ {"uuid", tUUID}, {"v1_enum", tV1ENUM}, /* ... */ {"vararg", tVARARG}, {"version", tVERSION}, {"void", tVOID}, {"wchar_t", tWCHAR}, {"wire_marshal", tWIREMARSHAL} }; #define NKEYWORDS (sizeof(keywords)/sizeof(keywords[0])) #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); } #define KW_BSEARCH static int kw_token(const char *kw) { struct keyword key, *kwp; key.kw = kw; #ifdef KW_BSEARCH kwp = bsearch(&key, keywords, NKEYWORDS, sizeof(keywords[0]), kw_cmp_func); #else { int i; for (kwp=NULL, i=0; i < NKEYWORDS; i++) if (!kw_cmp_func(&key, &keywords[i])) { kwp = &keywords[i]; break; } } #endif if (kwp) { yylval.str = (char*)kwp->kw; return kwp->token; } yylval.str = xstrdup(kw); return is_type(kw) ? aKNOWNTYPE : aIDENTIFIER; } static void addcchar(char c) { if(cbufidx >= cbufalloc) { cbufalloc += 1024; cbuffer = xrealloc(cbuffer, cbufalloc * sizeof(cbuffer[0])); if(cbufalloc > 65536) yywarning("Reallocating string buffer larger than 64kB"); } cbuffer[cbufidx++] = c; } static char *get_buffered_cstring(void) { addcchar(0); return xstrdup(cbuffer); } static void pop_import(void) { int ptr = import_stack_ptr-1; fclose(yyin); yy_delete_buffer( YY_CURRENT_BUFFER ); yy_switch_to_buffer( import_stack[ptr].state ); if (temp_name) { unlink(temp_name); free(temp_name); } temp_name = import_stack[ptr].temp_name; free( input_name ); input_name = import_stack[ptr].input_name; line_number = import_stack[ptr].line_number; import_stack_ptr--; } struct imports { char *name; struct imports *next; } *first_import; int do_import(char *fname) { FILE *f; char *hname, *path, *p; struct imports *import; int ptr = import_stack_ptr; int ret; if (!parse_only && do_header) { hname = dup_basename(fname, ".idl"); p = hname + strlen(hname) - 2; if (p <= hname || strcmp( p, ".h" )) strcat(hname, ".h"); fprintf(header, "#include <%s>\n", hname); free(hname); } import = first_import; while (import && strcmp(import->name, fname)) import = import->next; if (import) return 0; /* already imported */ import = xmalloc(sizeof(struct imports)); import->name = xstrdup(fname); import->next = first_import; first_import = import; if (!(path = wpp_find_include( fname, input_name ))) yyerror("Unable to open include file %s", fname); import_stack[ptr].temp_name = temp_name; import_stack[ptr].input_name = input_name; import_stack[ptr].line_number = line_number; import_stack_ptr++; input_name = path; line_number = 1; ret = wpp_parse_temp( path, NULL, &temp_name ); if (ret) exit(1); if((f = fopen(temp_name, "r")) == NULL) yyerror("Unable to open %s", temp_name); import_stack[ptr].state = YY_CURRENT_BUFFER; yy_switch_to_buffer(yy_create_buffer(f, YY_BUF_SIZE)); return 1; } void abort_import(void) { int ptr; for (ptr=0; ptr