| /* -*-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 noinput nounput noyy_top_state |
| %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 QUOTE |
| %x WSTRQUOTE |
| %x ATTR |
| %x PP_LINE |
| %x SQUOTE |
| |
| %{ |
| |
| #include "config.h" |
| #include "wine/port.h" |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <ctype.h> |
| #include <assert.h> |
| #include <errno.h> |
| #include <limits.h> |
| |
| #ifdef HAVE_UNISTD_H |
| #include <unistd.h> |
| #else |
| #define YY_NO_UNISTD_H |
| #endif |
| |
| #include "widl.h" |
| #include "utils.h" |
| #include "parser.h" |
| #include "wine/wpp.h" |
| |
| #include "parser.tab.h" |
| |
| 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); |
| static int attr_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; |
| |
| /* 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; |
| } |
| |
| 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 |
| ************************************************************************** |
| */ |
| %% |
| <INITIAL,ATTR>^{ws}*\#{ws}* yy_push_state(PP_LINE); |
| <PP_LINE>[^\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 */ |
| free( input_name ); |
| input_name = xstrdup(fname); |
| } |
| <INITIAL,ATTR>\" yy_push_state(QUOTE); cbufidx = 0; |
| <QUOTE>\" { |
| yy_pop_state(); |
| parser_lval.str = get_buffered_cstring(); |
| return aSTRING; |
| } |
| <INITIAL,ATTR>L\" yy_push_state(WSTRQUOTE); cbufidx = 0; |
| <WSTRQUOTE>\" { |
| yy_pop_state(); |
| parser_lval.str = get_buffered_cstring(); |
| return aWSTRING; |
| } |
| <INITIAL,ATTR>\' yy_push_state(SQUOTE); cbufidx = 0; |
| <SQUOTE>\' { |
| yy_pop_state(); |
| parser_lval.str = get_buffered_cstring(); |
| return aSQSTRING; |
| } |
| <QUOTE,WSTRQUOTE,SQUOTE>\\\\ | |
| <QUOTE,WSTRQUOTE>\\\" addcchar(yytext[1]); |
| <SQUOTE>\\\' addcchar(yytext[1]); |
| <QUOTE,WSTRQUOTE,SQUOTE>\\. addcchar('\\'); addcchar(yytext[1]); |
| <QUOTE,WSTRQUOTE,SQUOTE>. addcchar(yytext[0]); |
| <INITIAL,ATTR>\[ yy_push_state(ATTR); return '['; |
| <ATTR>\] yy_pop_state(); return ']'; |
| <ATTR>{cident} return attr_token(yytext); |
| <ATTR>{uuid} { |
| parser_lval.uuid = parse_uuid(yytext); |
| return aUUID; |
| } |
| <INITIAL,ATTR>{hex} { |
| parser_lval.num = xstrtoul(yytext, NULL, 0); |
| return aHEXNUM; |
| } |
| <INITIAL,ATTR>{int} { |
| parser_lval.num = xstrtoul(yytext, NULL, 0); |
| return aNUM; |
| } |
| <INITIAL>{double} { |
| parser_lval.dbl = strtod(yytext, NULL); |
| return aDOUBLE; |
| } |
| SAFEARRAY{ws}*/\( return tSAFEARRAY; |
| {cident} return kw_token(yytext); |
| <INITIAL,ATTR>\n line_number++; |
| <INITIAL,ATTR>{ws} |
| <INITIAL,ATTR>\<\< return SHL; |
| <INITIAL,ATTR>\>\> return SHR; |
| <INITIAL,ATTR>\-\> return MEMBERPTR; |
| <INITIAL,ATTR>== return EQUALITY; |
| <INITIAL,ATTR>!= return INEQUALITY; |
| <INITIAL,ATTR>\>= return GREATEREQUAL; |
| <INITIAL,ATTR>\<= return LESSEQUAL; |
| <INITIAL,ATTR>\|\| return LOGICALOR; |
| <INITIAL,ATTR>&& return LOGICALAND; |
| <INITIAL,ATTR>\.\.\. return ELLIPSIS; |
| <INITIAL,ATTR>. return yytext[0]; |
| <<EOF>> { |
| if (import_stack_ptr) |
| return aEOF; |
| else yyterminate(); |
| } |
| %% |
| |
| #ifndef parser_wrap |
| int parser_wrap(void) |
| { |
| return 1; |
| } |
| #endif |
| |
| struct keyword { |
| const char *kw; |
| int token; |
| }; |
| |
| /* This table MUST be alphabetically sorted on the kw field */ |
| static const struct keyword keywords[] = { |
| {"FALSE", tFALSE}, |
| {"NULL", tNULL}, |
| {"TRUE", tTRUE}, |
| {"__cdecl", tCDECL}, |
| {"__fastcall", tFASTCALL}, |
| {"__int3264", tINT3264}, |
| {"__int64", tINT64}, |
| {"__pascal", tPASCAL}, |
| {"__stdcall", tSTDCALL}, |
| {"_cdecl", tCDECL}, |
| {"_fastcall", tFASTCALL}, |
| {"_pascal", tPASCAL}, |
| {"_stdcall", tSTDCALL}, |
| {"boolean", tBOOLEAN}, |
| {"byte", tBYTE}, |
| {"case", tCASE}, |
| {"cdecl", tCDECL}, |
| {"char", tCHAR}, |
| {"coclass", tCOCLASS}, |
| {"const", tCONST}, |
| {"cpp_quote", tCPPQUOTE}, |
| {"default", tDEFAULT}, |
| {"dispinterface", tDISPINTERFACE}, |
| {"double", tDOUBLE}, |
| {"enum", tENUM}, |
| {"error_status_t", tERRORSTATUST}, |
| {"extern", tEXTERN}, |
| {"float", tFLOAT}, |
| {"handle_t", tHANDLET}, |
| {"hyper", tHYPER}, |
| {"import", tIMPORT}, |
| {"importlib", tIMPORTLIB}, |
| {"inline", tINLINE}, |
| {"int", tINT}, |
| {"interface", tINTERFACE}, |
| {"library", tLIBRARY}, |
| {"long", tLONG}, |
| {"methods", tMETHODS}, |
| {"module", tMODULE}, |
| {"pascal", tPASCAL}, |
| {"properties", tPROPERTIES}, |
| {"register", tREGISTER}, |
| {"short", tSHORT}, |
| {"signed", tSIGNED}, |
| {"sizeof", tSIZEOF}, |
| {"small", tSMALL}, |
| {"static", tSTATIC}, |
| {"stdcall", tSTDCALL}, |
| {"struct", tSTRUCT}, |
| {"switch", tSWITCH}, |
| {"typedef", tTYPEDEF}, |
| {"union", tUNION}, |
| {"unsigned", tUNSIGNED}, |
| {"void", tVOID}, |
| {"wchar_t", tWCHAR}, |
| }; |
| #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[] = |
| { |
| {"aggregatable", tAGGREGATABLE}, |
| {"allocate", tALLOCATE}, |
| {"annotation", tANNOTATION}, |
| {"appobject", tAPPOBJECT}, |
| {"async", tASYNC}, |
| {"async_uuid", tASYNCUUID}, |
| {"auto_handle", tAUTOHANDLE}, |
| {"bindable", tBINDABLE}, |
| {"broadcast", tBROADCAST}, |
| {"byte_count", tBYTECOUNT}, |
| {"call_as", tCALLAS}, |
| {"callback", tCALLBACK}, |
| {"code", tCODE}, |
| {"comm_status", tCOMMSTATUS}, |
| {"context_handle", tCONTEXTHANDLE}, |
| {"context_handle_noserialize", tCONTEXTHANDLENOSERIALIZE}, |
| {"context_handle_serialize", tCONTEXTHANDLENOSERIALIZE}, |
| {"control", tCONTROL}, |
| {"defaultcollelem", tDEFAULTCOLLELEM}, |
| {"defaultvalue", tDEFAULTVALUE}, |
| {"defaultvtable", tDEFAULTVTABLE}, |
| {"displaybind", tDISPLAYBIND}, |
| {"dllname", tDLLNAME}, |
| {"dual", tDUAL}, |
| {"endpoint", tENDPOINT}, |
| {"entry", tENTRY}, |
| {"explicit_handle", tEXPLICITHANDLE}, |
| {"handle", tHANDLE}, |
| {"helpcontext", tHELPCONTEXT}, |
| {"helpfile", tHELPFILE}, |
| {"helpstring", tHELPSTRING}, |
| {"helpstringcontext", tHELPSTRINGCONTEXT}, |
| {"helpstringdll", tHELPSTRINGDLL}, |
| {"hidden", tHIDDEN}, |
| {"id", tID}, |
| {"idempotent", tIDEMPOTENT}, |
| {"iid_is", tIIDIS}, |
| {"immediatebind", tIMMEDIATEBIND}, |
| {"implicit_handle", tIMPLICITHANDLE}, |
| {"in", tIN}, |
| {"in_line", tIN_LINE}, |
| {"input_sync", tINPUTSYNC}, |
| {"lcid", tLCID}, |
| {"length_is", tLENGTHIS}, |
| {"local", tLOCAL}, |
| {"nonbrowsable", tNONBROWSABLE}, |
| {"noncreatable", tNONCREATABLE}, |
| {"nonextensible", tNONEXTENSIBLE}, |
| {"object", tOBJECT}, |
| {"odl", tODL}, |
| {"oleautomation", tOLEAUTOMATION}, |
| {"optional", tOPTIONAL}, |
| {"out", tOUT}, |
| {"pointer_default", tPOINTERDEFAULT}, |
| {"propget", tPROPGET}, |
| {"propput", tPROPPUT}, |
| {"propputref", tPROPPUTREF}, |
| {"ptr", tPTR}, |
| {"public", tPUBLIC}, |
| {"range", tRANGE}, |
| {"readonly", tREADONLY}, |
| {"ref", tREF}, |
| {"requestedit", tREQUESTEDIT}, |
| {"restricted", tRESTRICTED}, |
| {"retval", tRETVAL}, |
| {"size_is", tSIZEIS}, |
| {"source", tSOURCE}, |
| {"strict_context_handle", tSTRICTCONTEXTHANDLE}, |
| {"string", tSTRING}, |
| {"switch_is", tSWITCHIS}, |
| {"switch_type", tSWITCHTYPE}, |
| {"transmit_as", tTRANSMITAS}, |
| {"unique", tUNIQUE}, |
| {"uuid", tUUID}, |
| {"v1_enum", tV1ENUM}, |
| {"vararg", tVARARG}, |
| {"version", tVERSION}, |
| {"wire_marshal", tWIREMARSHAL}, |
| }; |
| |
| |
| #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) |
| { |
| struct keyword key, *kwp; |
| key.kw = kw; |
| kwp = bsearch(&key, keywords, NKEYWORDS, sizeof(keywords[0]), kw_cmp_func); |
| if (kwp) { |
| parser_lval.str = xstrdup(kwp->kw); |
| return kwp->token; |
| } |
| parser_lval.str = xstrdup(kw); |
| return is_type(kw) ? aKNOWNTYPE : aIDENTIFIER; |
| } |
| |
| static int attr_token(const char *kw) |
| { |
| 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) { |
| parser_lval.str = xstrdup(kwp->kw); |
| return kwp->token; |
| } |
| return kw_token(kw); |
| } |
| |
| static void addcchar(char c) |
| { |
| if(cbufidx >= cbufalloc) |
| { |
| cbufalloc += 1024; |
| cbuffer = xrealloc(cbuffer, cbufalloc * sizeof(cbuffer[0])); |
| if(cbufalloc > 65536) |
| parser_warning("Reallocating string buffer larger than 64kB\n"); |
| } |
| cbuffer[cbufidx++] = c; |
| } |
| |
| static char *get_buffered_cstring(void) |
| { |
| addcchar(0); |
| return xstrdup(cbuffer); |
| } |
| |
| 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; |
| 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 *path, *name; |
| struct imports *import; |
| int ptr = import_stack_ptr; |
| int ret, fd; |
| |
| 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; |
| |
| /* don't search for a file name with a path in the include directories, |
| * for compatibility with MIDL */ |
| if (strchr( fname, '/' ) || strchr( fname, '\\' )) |
| path = xstrdup( fname ); |
| else if (!(path = wpp_find_include( fname, input_name ))) |
| error_loc("Unable to open include file %s\n", 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; |
| |
| name = xstrdup( "widl.XXXXXX" ); |
| if((fd = mkstemps( name, 0 )) == -1) |
| error("Could not generate a temp name from %s\n", name); |
| |
| temp_name = name; |
| if (!(f = fdopen(fd, "wt"))) |
| error("Could not open fd %s for writing\n", name); |
| |
| ret = wpp_parse( path, f ); |
| fclose( f ); |
| if (ret) exit(1); |
| |
| if((f = fopen(temp_name, "r")) == NULL) |
| error_loc("Unable to open %s\n", 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<import_stack_ptr; ptr++) |
| unlink(import_stack[ptr].temp_name); |
| } |
