%{ /* * 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 */ #include "config.h" #include #include #include #include #include #include #ifdef HAVE_ALLOCA_H #include #endif #include "widl.h" #include "utils.h" #include "parser.h" #include "header.h" #include "typelib.h" #include "typegen.h" #if defined(YYBYACC) /* Berkeley yacc (byacc) doesn't seem to know about these */ /* Some *BSD supplied versions do define these though */ # ifndef YYEMPTY # define YYEMPTY (-1) /* Empty lookahead value of yychar */ # endif # ifndef YYLEX # define YYLEX yylex() # endif #elif defined(YYBISON) /* Bison was used for original development */ /* #define YYEMPTY -2 */ /* #define YYLEX yylex() */ #else /* No yacc we know yet */ # if !defined(YYEMPTY) || !defined(YYLEX) # error Yacc version/type unknown. This version needs to be verified for settings of YYEMPTY and YYLEX. # elif defined(__GNUC__) /* gcc defines the #warning directive */ # warning Yacc version/type unknown. It defines YYEMPTY and YYLEX, but is not tested /* #else we just take a chance that it works... */ # endif #endif unsigned char pointer_default = RPC_FC_UP; typedef struct list typelist_t; struct typenode { type_t *type; struct list entry; }; typelist_t incomplete_types = LIST_INIT(incomplete_types); static void add_incomplete(type_t *t); static void fix_incomplete(void); static str_list_t *append_str(str_list_t *list, char *str); static attr_list_t *append_attr(attr_list_t *list, attr_t *attr); static attr_t *make_attr(enum attr_type type); static attr_t *make_attrv(enum attr_type type, unsigned long val); static attr_t *make_attrp(enum attr_type type, void *val); static expr_t *make_expr(enum expr_type type); static expr_t *make_exprl(enum expr_type type, long val); static expr_t *make_exprd(enum expr_type type, double val); static expr_t *make_exprs(enum expr_type type, char *val); static expr_t *make_exprt(enum expr_type type, type_t *tref, expr_t *expr); static expr_t *make_expr1(enum expr_type type, expr_t *expr); static expr_t *make_expr2(enum expr_type type, expr_t *exp1, expr_t *exp2); static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3); static type_t *make_type(unsigned char type, type_t *ref); static expr_list_t *append_expr(expr_list_t *list, expr_t *expr); static array_dims_t *append_array(array_dims_t *list, expr_t *expr); static void set_type(var_t *v, type_t *type, int ptr_level, array_dims_t *arr, int top); static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface); static ifref_t *make_ifref(type_t *iface); static var_list_t *append_var(var_list_t *list, var_t *var); static var_t *make_var(char *name); static pident_list_t *append_pident(pident_list_t *list, pident_t *p); static pident_t *make_pident(var_t *var); static func_list_t *append_func(func_list_t *list, func_t *func); static func_t *make_func(var_t *def, var_list_t *args); static type_t *make_class(char *name); static type_t *make_safearray(type_t *type); static type_t *make_builtin(char *name); static type_t *make_int(int sign); static type_t *reg_type(type_t *type, const char *name, int t); static type_t *reg_typedefs(type_t *type, var_list_t *names, attr_list_t *attrs); static type_t *find_type(const char *name, int t); static type_t *find_type2(char *name, int t); static type_t *get_type(unsigned char type, char *name, int t); static type_t *get_typev(unsigned char type, var_t *name, int t); static int get_struct_type(var_list_t *fields); static var_t *reg_const(var_t *var); static var_t *find_const(char *name, int f); static void write_libid(const char *name, const attr_list_t *attr); static void write_clsid(type_t *cls); static void write_diid(type_t *iface); static void write_iid(type_t *iface); static int compute_method_indexes(type_t *iface); static char *gen_name(void); static void process_typedefs(var_list_t *names); static void check_arg(var_t *arg); static void check_all_user_types(ifref_list_t *ifaces); #define tsENUM 1 #define tsSTRUCT 2 #define tsUNION 3 %} %union { attr_t *attr; attr_list_t *attr_list; str_list_t *str_list; expr_t *expr; expr_list_t *expr_list; array_dims_t *array_dims; type_t *type; var_t *var; var_list_t *var_list; pident_t *pident; pident_list_t *pident_list; func_t *func; func_list_t *func_list; ifref_t *ifref; ifref_list_t *ifref_list; char *str; UUID *uuid; unsigned int num; double dbl; interface_info_t ifinfo; } %token aIDENTIFIER %token aKNOWNTYPE %token aNUM aHEXNUM %token aDOUBLE %token aSTRING %token aUUID %token aEOF %token SHL SHR %token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE %token tDEFAULT %token tDEFAULTCOLLELEM %token tDEFAULTVALUE %token tDEFAULTVTABLE %token tDISPLAYBIND %token tDISPINTERFACE %token tDLLNAME tDOUBLE tDUAL %token tENDPOINT %token tENTRY tENUM tERRORSTATUST %token tEXPLICITHANDLE tEXTERN %token tFALSE %token tFLOAT %token tHANDLE %token tHANDLET %token tHELPCONTEXT tHELPFILE %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL %token tHIDDEN %token tHYPER tID tIDEMPOTENT %token tIIDIS %token tIMMEDIATEBIND %token tIMPLICITHANDLE %token tIMPORT tIMPORTLIB %token tIN tINLINE %token tINPUTSYNC %token tINT tINT64 %token tINTERFACE %token tLCID %token tLENGTHIS tLIBRARY %token tLOCAL %token tLONG %token tMETHODS %token tMODULE %token tNONBROWSABLE %token tNONCREATABLE %token tNONEXTENSIBLE %token tOBJECT tODL tOLEAUTOMATION %token tOPTIONAL %token tOUT %token tPOINTERDEFAULT %token tPROPERTIES %token tPROPGET tPROPPUT tPROPPUTREF %token tPTR %token tPUBLIC %token tRANGE %token tREADONLY tREF %token tREQUESTEDIT %token tRESTRICTED %token tRETVAL %token tSAFEARRAY %token tSHORT %token tSIGNED %token tSINGLE %token tSIZEIS tSIZEOF %token tSMALL %token tSOURCE %token tSTDCALL %token tSTRICTCONTEXTHANDLE %token tSTRING tSTRUCT %token tSWITCH tSWITCHIS tSWITCHTYPE %token tTRANSMITAS %token tTRUE %token tTYPEDEF %token tUNION %token tUNIQUE %token tUNSIGNED %token tUUID %token tV1ENUM %token tVARARG %token tVERSION %token tVOID %token tWCHAR tWIREMARSHAL %type attribute %type m_attributes attributes attrib_list %type str_list %type m_expr expr expr_const %type m_exprs /* exprs expr_list */ expr_list_const %type array array_list %type interfacehdr %type inherit interface interfacedef interfacedec %type dispinterface dispinterfacehdr dispinterfacedef %type module modulehdr moduledef %type base_type int_std %type enumdef structdef uniondef %type type %type coclass_int %type gbl_statements coclass_ints %type arg field s_field case enum constdef externdef %type m_args no_args args fields cases enums enum_list dispint_props %type m_ident t_ident ident %type p_ident pident %type pident_list %type funcdef %type int_statements dispint_meths %type coclass coclasshdr coclassdef %type pointer_type version %type libraryhdr %type uuid_string %left ',' %right '?' ':' %left '|' %left '&' %left '-' '+' %left '*' '/' %left SHL SHR %right '~' %right CAST %right PPTR %right NEG %right ADDRESSOF %% input: gbl_statements { fix_incomplete(); check_all_user_types($1); write_proxies($1); write_client($1); write_server($1); write_dlldata($1); } ; gbl_statements: { $$ = NULL; } | gbl_statements interfacedec { $$ = $1; } | gbl_statements interfacedef { $$ = append_ifref( $1, make_ifref($2) ); } | gbl_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); if (!parse_only && do_header) write_coclass_forward($2); } | gbl_statements coclassdef { $$ = $1; add_typelib_entry($2); reg_type($2, $2->name, 0); if (!parse_only && do_header) write_coclass_forward($2); } | gbl_statements moduledef { $$ = $1; add_typelib_entry($2); } | gbl_statements librarydef { $$ = $1; } | gbl_statements statement { $$ = $1; } ; imp_statements: {} | imp_statements interfacedec { if (!parse_only) add_typelib_entry($2); } | imp_statements interfacedef { if (!parse_only) add_typelib_entry($2); } | imp_statements coclass ';' { reg_type($2, $2->name, 0); if (!parse_only && do_header) write_coclass_forward($2); } | imp_statements coclassdef { if (!parse_only) add_typelib_entry($2); reg_type($2, $2->name, 0); if (!parse_only && do_header) write_coclass_forward($2); } | imp_statements moduledef { if (!parse_only) add_typelib_entry($2); } | imp_statements statement {} | imp_statements importlib {} | imp_statements librarydef {} ; int_statements: { $$ = NULL; } | int_statements funcdef ';' { $$ = append_func( $1, $2 ); } | int_statements statement { $$ = $1; } ; statement: ';' {} | constdef ';' { if (!parse_only && do_header) { write_constdef($1); } } | cppquote {} | enumdef ';' { if (!parse_only && do_header) { write_type_def_or_decl(header, $1, FALSE, NULL); fprintf(header, ";\n\n"); } } | externdef ';' { if (!parse_only && do_header) { write_externdef($1); } } | import {} | structdef ';' { if (!parse_only && do_header) { write_type_def_or_decl(header, $1, FALSE, NULL); fprintf(header, ";\n\n"); } } | typedef ';' {} | uniondef ';' { if (!parse_only && do_header) { write_type_def_or_decl(header, $1, FALSE, NULL); fprintf(header, ";\n\n"); } } ; cppquote: tCPPQUOTE '(' aSTRING ')' { if (!parse_only && do_header) fprintf(header, "%s\n", $3); } ; import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY); if (!do_import($2)) yychar = aEOF; } ; import: import_start imp_statements aEOF {} ; importlib: tIMPORTLIB '(' aSTRING ')' { if(!parse_only) add_importlib($3); } ; libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; } ; library_start: attributes libraryhdr '{' { if (!parse_only) start_typelib($2, $1); if (!parse_only && do_header) write_library($2, $1); if (!parse_only && do_idfile) write_libid($2, $1); } ; librarydef: library_start imp_statements '}' { if (!parse_only) end_typelib(); } ; m_args: { $$ = NULL; } | args ; no_args: tVOID { $$ = NULL; } ; args: arg { check_arg($1); $$ = append_var( NULL, $1 ); } | args ',' arg { check_arg($3); $$ = append_var( $1, $3); } | no_args ; /* split into two rules to get bison to resolve a tVOID conflict */ arg: attributes type pident array { $$ = $3->var; $$->attrs = $1; set_type($$, $2, $3->ptr_level, $4, TRUE); free($3); } | type pident array { $$ = $2->var; set_type($$, $1, $2->ptr_level, $3, TRUE); free($2); } | attributes type pident '(' m_args ')' { $$ = $3->var; $$->attrs = $1; set_type($$, $2, $3->ptr_level - 1, NULL, TRUE); free($3); $$->args = $5; } | type pident '(' m_args ')' { $$ = $2->var; set_type($$, $1, $2->ptr_level - 1, NULL, TRUE); free($2); $$->args = $4; } ; array: { $$ = NULL; } | '[' array_list ']' { $$ = $2; } | '[' '*' ']' { $$ = append_array( NULL, make_expr(EXPR_VOID) ); } ; array_list: m_expr /* size of first dimension is optional */ { $$ = append_array( NULL, $1 ); } | array_list ',' expr { $$ = append_array( $1, $3 ); } | array_list ']' '[' expr { $$ = append_array( $1, $4 ); } ; m_attributes: { $$ = NULL; } | attributes ; attributes: '[' attrib_list ']' { $$ = $2; if (!$$) error_loc("empty attribute lists unsupported\n"); } ; attrib_list: attribute { $$ = append_attr( NULL, $1 ); } | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); } | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); } ; str_list: aSTRING { $$ = append_str( NULL, $1 ); } | str_list ',' aSTRING { $$ = append_str( $1, $3 ); } ; attribute: { $$ = NULL; } | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); } | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); } | tASYNC { $$ = make_attr(ATTR_ASYNC); } | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); } | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); } | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); } | tCASE '(' expr_list_const ')' { $$ = make_attrp(ATTR_CASE, $3); } | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); } | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ } | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ } | tCONTROL { $$ = make_attr(ATTR_CONTROL); } | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); } | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); } | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_EXPR, $3); } | tDEFAULTVALUE '(' aSTRING ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_STRING, $3); } | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); } | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); } | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); } | tDUAL { $$ = make_attr(ATTR_DUAL); } | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); } | tENTRY '(' aSTRING ')' { $$ = make_attrp(ATTR_ENTRY_STRING, $3); } | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY_ORDINAL, $3); } | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); } | tHANDLE { $$ = make_attr(ATTR_HANDLE); } | tHELPCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); } | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); } | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); } | tHELPSTRINGCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); } | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); } | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); } | tID '(' expr_const ')' { $$ = make_attrp(ATTR_ID, $3); } | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); } | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); } | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); } | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); } | tIN { $$ = make_attr(ATTR_IN); } | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); } | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); } | tLOCAL { $$ = make_attr(ATTR_LOCAL); } | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); } | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); } | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); } | tOBJECT { $$ = make_attr(ATTR_OBJECT); } | tODL { $$ = make_attr(ATTR_ODL); } | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); } | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); } | tOUT { $$ = make_attr(ATTR_OUT); } | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); } | tPROPGET { $$ = make_attr(ATTR_PROPGET); } | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); } | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); } | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); } | tRANGE '(' expr_const ',' expr_const ')' { expr_list_t *list = append_expr( NULL, $3 ); list = append_expr( list, $5 ); $$ = make_attrp(ATTR_RANGE, list); } | tREADONLY { $$ = make_attr(ATTR_READONLY); } | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); } | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); } | tRETVAL { $$ = make_attr(ATTR_RETVAL); } | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); } | tSOURCE { $$ = make_attr(ATTR_SOURCE); } | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); } | tSTRING { $$ = make_attr(ATTR_STRING); } | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); } | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); } | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); } | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); } | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); } | tVARARG { $$ = make_attr(ATTR_VARARG); } | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); } | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); } | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); } ; uuid_string: aUUID | aSTRING { if (!is_valid_uuid($1)) error_loc("invalid UUID: %s\n", $1); $$ = parse_uuid($1); } ; callconv: | tSTDCALL ; cases: { $$ = NULL; } | cases case { $$ = append_var( $1, $2 ); } ; case: tCASE expr ':' field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 )); $$ = $4; if (!$$) $$ = make_var(NULL); $$->attrs = append_attr( $$->attrs, a ); } | tDEFAULT ':' field { attr_t *a = make_attr(ATTR_DEFAULT); $$ = $3; if (!$$) $$ = make_var(NULL); $$->attrs = append_attr( $$->attrs, a ); } ; constdef: tCONST type ident '=' expr_const { $$ = reg_const($3); set_type($$, $2, 0, NULL, FALSE); $$->eval = $5; } ; enums: { $$ = NULL; } | enum_list ',' { $$ = $1; } | enum_list ; enum_list: enum { if (!$1->eval) $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */); $$ = append_var( NULL, $1 ); } | enum_list ',' enum { if (!$3->eval) { var_t *last = LIST_ENTRY( list_tail($$), var_t, entry ); $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1); } $$ = append_var( $1, $3 ); } ; enum: ident '=' expr_const { $$ = reg_const($1); $$->eval = $3; $$->type = make_int(0); } | ident { $$ = reg_const($1); $$->type = make_int(0); } ; enumdef: tENUM t_ident '{' enums '}' { $$ = get_typev(RPC_FC_ENUM16, $2, tsENUM); $$->kind = TKIND_ENUM; $$->fields = $4; $$->defined = TRUE; if(in_typelib) add_typelib_entry($$); } ; m_exprs: m_expr { $$ = append_expr( NULL, $1 ); } | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); } ; /* exprs: { $$ = make_expr(EXPR_VOID); } | expr_list ; expr_list: expr | expr_list ',' expr { LINK($3, $1); $$ = $3; } ; */ m_expr: { $$ = make_expr(EXPR_VOID); } | expr ; expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); } | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); } | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); } | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); } | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); } | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); } | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); } | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); } | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); } | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); } | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); } | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); } | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); } | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); } | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); } | '~' expr { $$ = make_expr1(EXPR_NOT, $2); } | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); } | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); } | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); } | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); } | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); } | '(' expr ')' { $$ = $2; } ; expr_list_const: expr_const { $$ = append_expr( NULL, $1 ); } | expr_list_const ',' expr_const { $$ = append_expr( $1, $3 ); } ; expr_const: expr { $$ = $1; if (!$$->is_const) error_loc("expression is not constant\n"); } ; externdef: tEXTERN tCONST type ident { $$ = $4; set_type($$, $3, 0, NULL, FALSE); } ; fields: { $$ = NULL; } | fields field { $$ = append_var( $1, $2 ); } ; field: s_field ';' { $$ = $1; } | m_attributes uniondef ';' { $$ = make_var(NULL); $$->type = $2; $$->attrs = $1; } | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; } | ';' { $$ = NULL; } ; s_field: m_attributes type pident array { $$ = $3->var; $$->attrs = $1; set_type($$, $2, $3->ptr_level, $4, FALSE); free($3); } ; funcdef: m_attributes type callconv pident '(' m_args ')' { var_t *v = $4->var; v->attrs = $1; set_type(v, $2, $4->ptr_level, NULL, FALSE); free($4); $$ = make_func(v, $6); if (is_attr(v->attrs, ATTR_IN)) { error_loc("inapplicable attribute [in] for function '%s'\n",$$->def->name); } } ; m_ident: { $$ = NULL; } | ident ; t_ident: { $$ = NULL; } | aIDENTIFIER { $$ = make_var($1); } | aKNOWNTYPE { $$ = make_var($1); } ; ident: aIDENTIFIER { $$ = make_var($1); } /* some "reserved words" used in attributes are also used as field names in some MS IDL files */ | aKNOWNTYPE { $$ = make_var($1); } ; base_type: tBYTE { $$ = make_builtin($1); } | tWCHAR { $$ = make_builtin($1); } | int_std | tSIGNED int_std { $$ = $2; $$->sign = 1; } | tUNSIGNED int_std { $$ = $2; $$->sign = -1; switch ($$->type) { case RPC_FC_CHAR: break; case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break; case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break; case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break; case RPC_FC_HYPER: if ($$->name[0] == 'h') /* hyper, as opposed to __int64 */ { $$ = alias($$, "MIDL_uhyper"); $$->sign = 0; } break; default: break; } } | tUNSIGNED { $$ = make_int(-1); } | tFLOAT { $$ = make_builtin($1); } | tSINGLE { $$ = duptype(find_type("float", 0), 1); } | tDOUBLE { $$ = make_builtin($1); } | tBOOLEAN { $$ = make_builtin($1); } | tERRORSTATUST { $$ = make_builtin($1); } | tHANDLET { $$ = make_builtin($1); } ; m_int: | tINT ; int_std: tINT { $$ = make_builtin($1); } | tSHORT m_int { $$ = make_builtin($1); } | tSMALL { $$ = make_builtin($1); } | tLONG m_int { $$ = make_builtin($1); } | tHYPER m_int { $$ = make_builtin($1); } | tINT64 { $$ = make_builtin($1); } | tCHAR { $$ = make_builtin($1); } ; coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); } | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0); if ($$->defined) error_loc("multiple definition error\n"); if ($$->kind != TKIND_COCLASS) error_loc("%s was not declared a coclass\n", $2); } ; coclasshdr: attributes coclass { $$ = $2; $$->attrs = $1; if (!parse_only && do_header) write_coclass($$); if (!parse_only && do_idfile) write_clsid($$); } ; coclassdef: coclasshdr '{' coclass_ints '}' { $$ = $1; $$->ifaces = $3; $$->defined = TRUE; } ; coclass_ints: { $$ = NULL; } | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); } ; coclass_int: m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; } ; dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; } | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; } ; dispinterfacehdr: attributes dispinterface { attr_t *attrs; $$ = $2; if ($$->defined) error_loc("multiple definition error\n"); attrs = make_attr(ATTR_DISPINTERFACE); $$->attrs = append_attr( $1, attrs ); $$->ref = find_type("IDispatch", 0); if (!$$->ref) error_loc("IDispatch is undefined\n"); $$->defined = TRUE; if (!parse_only && do_header) write_forward($$); } ; dispint_props: tPROPERTIES ':' { $$ = NULL; } | dispint_props s_field ';' { $$ = append_var( $1, $2 ); } ; dispint_meths: tMETHODS ':' { $$ = NULL; } | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); } ; dispinterfacedef: dispinterfacehdr '{' dispint_props dispint_meths '}' { $$ = $1; $$->fields = $3; $$->funcs = $4; if (!parse_only && do_header) write_dispinterface($$); if (!parse_only && do_idfile) write_diid($$); } | dispinterfacehdr '{' interface ';' '}' { $$ = $1; $$->fields = $3->fields; $$->funcs = $3->funcs; if (!parse_only && do_header) write_dispinterface($$); if (!parse_only && do_idfile) write_diid($$); } ; inherit: { $$ = NULL; } | ':' aKNOWNTYPE { $$ = find_type2($2, 0); } ; interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; } | tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; } ; interfacehdr: attributes interface { $$.interface = $2; $$.old_pointer_default = pointer_default; if (is_attr($1, ATTR_POINTERDEFAULT)) pointer_default = get_attrv($1, ATTR_POINTERDEFAULT); if ($2->defined) error_loc("multiple definition error\n"); $2->attrs = $1; $2->defined = TRUE; if (!parse_only && do_header) write_forward($2); } ; interfacedef: interfacehdr inherit '{' int_statements '}' { $$ = $1.interface; $$->ref = $2; $$->funcs = $4; compute_method_indexes($$); if (!parse_only && do_header) write_interface($$); if (!parse_only && local_stubs) write_locals(local_stubs, $$, TRUE); if (!parse_only && do_idfile) write_iid($$); pointer_default = $1.old_pointer_default; } /* MIDL is able to import the definition of a base class from inside the * definition of a derived class, I'll try to support it with this rule */ | interfacehdr ':' aIDENTIFIER '{' import int_statements '}' { $$ = $1.interface; $$->ref = find_type2($3, 0); if (!$$->ref) error_loc("base class '%s' not found in import\n", $3); $$->funcs = $6; compute_method_indexes($$); if (!parse_only && do_header) write_interface($$); if (!parse_only && local_stubs) write_locals(local_stubs, $$, TRUE); if (!parse_only && do_idfile) write_iid($$); pointer_default = $1.old_pointer_default; } | dispinterfacedef { $$ = $1; } ; interfacedec: interface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); } | dispinterface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); } ; module: tMODULE aIDENTIFIER { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; } | tMODULE aKNOWNTYPE { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; } ; modulehdr: attributes module { $$ = $2; $$->attrs = $1; } ; moduledef: modulehdr '{' int_statements '}' { $$ = $1; $$->funcs = $3; /* FIXME: if (!parse_only && do_header) write_module($$); */ } ; p_ident: '*' pident %prec PPTR { $$ = $2; $$->ptr_level++; } | tCONST p_ident { $$ = $2; /* FIXME */ } ; pident: ident { $$ = make_pident($1); } | p_ident | '(' pident ')' { $$ = $2; } ; pident_list: pident { $$ = append_pident( NULL, $1 ); } | pident_list ',' pident { $$ = append_pident( $1, $3 ); } ; pointer_type: tREF { $$ = RPC_FC_RP; } | tUNIQUE { $$ = RPC_FC_UP; } | tPTR { $$ = RPC_FC_FP; } ; structdef: tSTRUCT t_ident '{' fields '}' { $$ = get_typev(RPC_FC_STRUCT, $2, tsSTRUCT); /* overwrite RPC_FC_STRUCT with a more exact type */ $$->type = get_struct_type( $4 ); $$->kind = TKIND_RECORD; $$->fields = $4; $$->defined = TRUE; if(in_typelib) add_typelib_entry($$); } ; type: tVOID { $$ = duptype(find_type("void", 0), 1); } | aKNOWNTYPE { $$ = find_type($1, 0); } | base_type { $$ = $1; } | tCONST type { $$ = duptype($2, 1); $$->is_const = TRUE; } | enumdef { $$ = $1; } | tENUM aIDENTIFIER { $$ = find_type2($2, tsENUM); } | structdef { $$ = $1; } | tSTRUCT aIDENTIFIER { $$ = get_type(RPC_FC_STRUCT, $2, tsSTRUCT); } | uniondef { $$ = $1; } | tUNION aIDENTIFIER { $$ = find_type2($2, tsUNION); } | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); } ; typedef: tTYPEDEF m_attributes type pident_list { reg_typedefs($3, $4, $2); process_typedefs($4); } ; uniondef: tUNION t_ident '{' fields '}' { $$ = get_typev(RPC_FC_NON_ENCAPSULATED_UNION, $2, tsUNION); $$->kind = TKIND_UNION; $$->fields = $4; $$->defined = TRUE; } | tUNION t_ident tSWITCH '(' s_field ')' m_ident '{' cases '}' { var_t *u = $7; $$ = get_typev(RPC_FC_ENCAPSULATED_UNION, $2, tsUNION); $$->kind = TKIND_UNION; if (!u) u = make_var( xstrdup("tagged_union") ); u->type = make_type(RPC_FC_NON_ENCAPSULATED_UNION, NULL); u->type->kind = TKIND_UNION; u->type->fields = $9; u->type->defined = TRUE; $$->fields = append_var( $$->fields, $5 ); $$->fields = append_var( $$->fields, u ); $$->defined = TRUE; } ; version: aNUM { $$ = MAKEVERSION($1, 0); } | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); } ; %% static void decl_builtin(const char *name, unsigned char type) { type_t *t = make_type(type, NULL); t->name = xstrdup(name); reg_type(t, name, 0); } static type_t *make_builtin(char *name) { /* NAME is strdup'd in the lexer */ type_t *t = duptype(find_type(name, 0), 0); t->name = name; return t; } static type_t *make_int(int sign) { type_t *t = duptype(find_type("int", 0), 1); t->sign = sign; if (sign < 0) t->type = t->type == RPC_FC_LONG ? RPC_FC_ULONG : RPC_FC_USHORT; return t; } void init_types(void) { decl_builtin("void", 0); decl_builtin("byte", RPC_FC_BYTE); decl_builtin("wchar_t", RPC_FC_WCHAR); decl_builtin("int", RPC_FC_LONG); /* win32 */ decl_builtin("short", RPC_FC_SHORT); decl_builtin("small", RPC_FC_SMALL); decl_builtin("long", RPC_FC_LONG); decl_builtin("hyper", RPC_FC_HYPER); decl_builtin("__int64", RPC_FC_HYPER); decl_builtin("char", RPC_FC_CHAR); decl_builtin("float", RPC_FC_FLOAT); decl_builtin("double", RPC_FC_DOUBLE); decl_builtin("boolean", RPC_FC_BYTE); decl_builtin("error_status_t", RPC_FC_ERROR_STATUS_T); decl_builtin("handle_t", RPC_FC_BIND_PRIMITIVE); } static str_list_t *append_str(str_list_t *list, char *str) { struct str_list_entry_t *entry; if (!str) return list; if (!list) { list = xmalloc( sizeof(*list) ); list_init( list ); } entry = xmalloc( sizeof(*entry) ); entry->str = str; list_add_tail( list, &entry->entry ); return list; } static attr_list_t *append_attr(attr_list_t *list, attr_t *attr) { if (!attr) return list; if (!list) { list = xmalloc( sizeof(*list) ); list_init( list ); } list_add_tail( list, &attr->entry ); return list; } static attr_t *make_attr(enum attr_type type) { attr_t *a = xmalloc(sizeof(attr_t)); a->type = type; a->u.ival = 0; return a; } static attr_t *make_attrv(enum attr_type type, unsigned long val) { attr_t *a = xmalloc(sizeof(attr_t)); a->type = type; a->u.ival = val; return a; } static attr_t *make_attrp(enum attr_type type, void *val) { attr_t *a = xmalloc(sizeof(attr_t)); a->type = type; a->u.pval = val; return a; } static expr_t *make_expr(enum expr_type type) { expr_t *e = xmalloc(sizeof(expr_t)); e->type = type; e->ref = NULL; e->u.lval = 0; e->is_const = FALSE; e->cval = 0; return e; } static expr_t *make_exprl(enum expr_type type, long val) { expr_t *e = xmalloc(sizeof(expr_t)); e->type = type; e->ref = NULL; e->u.lval = val; e->is_const = FALSE; /* check for numeric constant */ if (type == EXPR_NUM || type == EXPR_HEXNUM || type == EXPR_TRUEFALSE) { /* make sure true/false value is valid */ assert(type != EXPR_TRUEFALSE || val == 0 || val == 1); e->is_const = TRUE; e->cval = val; } return e; } static expr_t *make_exprd(enum expr_type type, double val) { expr_t *e = xmalloc(sizeof(expr_t)); e->type = type; e->ref = NULL; e->u.dval = val; e->is_const = TRUE; e->cval = val; return e; } static expr_t *make_exprs(enum expr_type type, char *val) { expr_t *e; e = xmalloc(sizeof(expr_t)); e->type = type; e->ref = NULL; e->u.sval = val; e->is_const = FALSE; /* check for predefined constants */ if (type == EXPR_IDENTIFIER) { var_t *c = find_const(val, 0); if (c) { e->u.sval = c->name; free(val); e->is_const = TRUE; e->cval = c->eval->cval; } } return e; } static expr_t *make_exprt(enum expr_type type, type_t *tref, expr_t *expr) { expr_t *e; e = xmalloc(sizeof(expr_t)); e->type = type; e->ref = expr; e->u.tref = tref; e->is_const = FALSE; /* check for cast of constant expression */ if (type == EXPR_SIZEOF) { switch (tref->type) { case RPC_FC_BYTE: case RPC_FC_CHAR: case RPC_FC_SMALL: case RPC_FC_USMALL: e->is_const = TRUE; e->cval = 1; break; case RPC_FC_WCHAR: case RPC_FC_USHORT: case RPC_FC_SHORT: e->is_const = TRUE; e->cval = 2; break; case RPC_FC_LONG: case RPC_FC_ULONG: case RPC_FC_FLOAT: case RPC_FC_ERROR_STATUS_T: e->is_const = TRUE; e->cval = 4; break; case RPC_FC_HYPER: case RPC_FC_DOUBLE: e->is_const = TRUE; e->cval = 8; break; } } if (type == EXPR_CAST && expr->is_const) { e->is_const = TRUE; e->cval = expr->cval; } return e; } static expr_t *make_expr1(enum expr_type type, expr_t *expr) { expr_t *e; if (type == EXPR_ADDRESSOF && expr->type != EXPR_IDENTIFIER) error("address-of operator applied to invalid expression\n"); e = xmalloc(sizeof(expr_t)); e->type = type; e->ref = expr; e->u.lval = 0; e->is_const = FALSE; /* check for compile-time optimization */ if (expr->is_const) { e->is_const = TRUE; switch (type) { case EXPR_NEG: e->cval = -expr->cval; break; case EXPR_NOT: e->cval = ~expr->cval; break; default: e->is_const = FALSE; break; } } return e; } static expr_t *make_expr2(enum expr_type type, expr_t *expr1, expr_t *expr2) { expr_t *e; e = xmalloc(sizeof(expr_t)); e->type = type; e->ref = expr1; e->u.ext = expr2; e->is_const = FALSE; /* check for compile-time optimization */ if (expr1->is_const && expr2->is_const) { e->is_const = TRUE; switch (type) { case EXPR_ADD: e->cval = expr1->cval + expr2->cval; break; case EXPR_SUB: e->cval = expr1->cval - expr2->cval; break; case EXPR_MUL: e->cval = expr1->cval * expr2->cval; break; case EXPR_DIV: e->cval = expr1->cval / expr2->cval; break; case EXPR_OR: e->cval = expr1->cval | expr2->cval; break; case EXPR_AND: e->cval = expr1->cval & expr2->cval; break; case EXPR_SHL: e->cval = expr1->cval << expr2->cval; break; case EXPR_SHR: e->cval = expr1->cval >> expr2->cval; break; default: e->is_const = FALSE; break; } } return e; } static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3) { expr_t *e; e = xmalloc(sizeof(expr_t)); e->type = type; e->ref = expr1; e->u.ext = expr2; e->ext2 = expr3; e->is_const = FALSE; /* check for compile-time optimization */ if (expr1->is_const && expr2->is_const && expr3->is_const) { e->is_const = TRUE; switch (type) { case EXPR_COND: e->cval = expr1->cval ? expr2->cval : expr3->cval; break; default: e->is_const = FALSE; break; } } return e; } static expr_list_t *append_expr(expr_list_t *list, expr_t *expr) { if (!expr) return list; if (!list) { list = xmalloc( sizeof(*list) ); list_init( list ); } list_add_tail( list, &expr->entry ); return list; } static array_dims_t *append_array(array_dims_t *list, expr_t *expr) { if (!expr) return list; if (!list) { list = xmalloc( sizeof(*list) ); list_init( list ); } list_add_tail( list, &expr->entry ); return list; } static struct list type_pool = LIST_INIT(type_pool); typedef struct { type_t data; struct list link; } type_pool_node_t; type_t *alloc_type(void) { type_pool_node_t *node = xmalloc(sizeof *node); list_add_tail(&type_pool, &node->link); return &node->data; } void set_all_tfswrite(int val) { type_pool_node_t *node; LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link) node->data.tfswrite = val; } static type_t *make_type(unsigned char type, type_t *ref) { type_t *t = alloc_type(); t->name = NULL; t->kind = TKIND_PRIMITIVE; t->type = type; t->ref = ref; t->attrs = NULL; t->orig = NULL; t->funcs = NULL; t->fields = NULL; t->ifaces = NULL; t->dim = 0; t->size_is = NULL; t->length_is = NULL; t->typestring_offset = 0; t->ptrdesc = 0; t->declarray = FALSE; t->ignore = (parse_only != 0); t->is_const = FALSE; t->sign = 0; t->defined = FALSE; t->written = FALSE; t->user_types_registered = FALSE; t->tfswrite = FALSE; t->typelib_idx = -1; return t; } static void set_type(var_t *v, type_t *type, int ptr_level, array_dims_t *arr, int top) { expr_list_t *sizes = get_attrp(v->attrs, ATTR_SIZEIS); expr_list_t *lengs = get_attrp(v->attrs, ATTR_LENGTHIS); int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE); int ptr_type = ptr_attr; int sizeless, has_varconf; expr_t *dim; type_t *atype, **ptype; v->type = type; if (!ptr_type && top) ptr_type = RPC_FC_RP; for ( ; 0 < ptr_level; --ptr_level) { v->type = make_type(pointer_default, v->type); if (ptr_level == 1 && ptr_type && !arr) { v->type->type = ptr_type; ptr_type = 0; } } if (ptr_type && !arr) { if (is_ptr(v->type)) { if (v->type->type != ptr_type) { v->type = duptype(v->type, 1); v->type->type = ptr_type; } } else if (!arr && ptr_attr) error("%s: pointer attribute applied to non-pointer type\n", v->name); } sizeless = FALSE; if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry) { if (sizeless) error("%s: only the first array dimension can be unspecified\n", v->name); if (dim->is_const) { unsigned int align = 0; size_t size = type_memsize(v->type, &align); if (dim->cval <= 0) error("%s: array dimension must be positive\n", v->name); if (0xffffffffuL / size < (unsigned long) dim->cval) error("%s: total array size is too large\n", v->name); else if (0xffffuL < size * dim->cval) v->type = make_type(RPC_FC_LGFARRAY, v->type); else v->type = make_type(RPC_FC_SMFARRAY, v->type); } else { sizeless = TRUE; v->type = make_type(RPC_FC_CARRAY, v->type); } v->type->declarray = TRUE; v->type->dim = dim->cval; } ptype = &v->type; has_varconf = FALSE; if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry) { if (dim->type != EXPR_VOID) { has_varconf = TRUE; atype = *ptype = duptype(*ptype, 0); if (atype->type == RPC_FC_SMFARRAY || atype->type == RPC_FC_LGFARRAY) error("%s: cannot specify size_is for a fixed sized array\n", v->name); if (atype->type != RPC_FC_CARRAY && !is_ptr(atype)) error("%s: size_is attribute applied to illegal type\n", v->name); atype->type = RPC_FC_CARRAY; atype->size_is = dim; } ptype = &(*ptype)->ref; if (*ptype == NULL) error("%s: too many expressions in size_is attribute\n", v->name); } ptype = &v->type; if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry) { if (dim->type != EXPR_VOID) { has_varconf = TRUE; atype = *ptype = duptype(*ptype, 0); if (atype->type == RPC_FC_SMFARRAY) atype->type = RPC_FC_SMVARRAY; else if (atype->type == RPC_FC_LGFARRAY) atype->type = RPC_FC_LGVARRAY; else if (atype->type == RPC_FC_CARRAY) atype->type = RPC_FC_CVARRAY; else error("%s: length_is attribute applied to illegal type\n", v->name); atype->length_is = dim; } ptype = &(*ptype)->ref; if (*ptype == NULL) error("%s: too many expressions in length_is attribute\n", v->name); } if (has_varconf && !last_array(v->type)) { ptype = &v->type; for (ptype = &v->type; is_array(*ptype); ptype = &(*ptype)->ref) { *ptype = duptype(*ptype, 0); (*ptype)->type = RPC_FC_BOGUS_ARRAY; } } if (is_array(v->type)) { const type_t *rt = v->type->ref; if (is_user_type(rt)) v->type->type = RPC_FC_BOGUS_ARRAY; else switch (rt->type) { case RPC_FC_BOGUS_STRUCT: case RPC_FC_NON_ENCAPSULATED_UNION: case RPC_FC_ENCAPSULATED_UNION: case RPC_FC_ENUM16: v->type->type = RPC_FC_BOGUS_ARRAY; break; /* FC_RP should be above, but widl overuses these, and will break things. */ case RPC_FC_UP: case RPC_FC_RP: if (rt->ref->type == RPC_FC_IP) v->type->type = RPC_FC_BOGUS_ARRAY; break; } } } static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface) { if (!iface) return list; if (!list) { list = xmalloc( sizeof(*list) ); list_init( list ); } list_add_tail( list, &iface->entry ); return list; } static ifref_t *make_ifref(type_t *iface) { ifref_t *l = xmalloc(sizeof(ifref_t)); l->iface = iface; l->attrs = NULL; return l; } static var_list_t *append_var(var_list_t *list, var_t *var) { if (!var) return list; if (!list) { list = xmalloc( sizeof(*list) ); list_init( list ); } list_add_tail( list, &var->entry ); return list; } static var_t *make_var(char *name) { var_t *v = xmalloc(sizeof(var_t)); v->name = name; v->type = NULL; v->args = NULL; v->attrs = NULL; v->eval = NULL; return v; } static pident_list_t *append_pident(pident_list_t *list, pident_t *p) { if (!p) return list; if (!list) { list = xmalloc(sizeof(*list)); list_init(list); } list_add_tail(list, &p->entry); return list; } static pident_t *make_pident(var_t *var) { pident_t *p = xmalloc(sizeof(*p)); p->var = var; p->ptr_level = 0; return p; } static func_list_t *append_func(func_list_t *list, func_t *func) { if (!func) return list; if (!list) { list = xmalloc( sizeof(*list) ); list_init( list ); } list_add_tail( list, &func->entry ); return list; } static func_t *make_func(var_t *def, var_list_t *args) { func_t *f = xmalloc(sizeof(func_t)); f->def = def; f->args = args; f->ignore = parse_only; f->idx = -1; return f; } static type_t *make_class(char *name) { type_t *c = make_type(0, NULL); c->name = name; c->kind = TKIND_COCLASS; return c; } static type_t *make_safearray(type_t *type) { type_t *sa = duptype(find_type("SAFEARRAY", 0), 1); sa->ref = type; return make_type(pointer_default, sa); } #define HASHMAX 64 static int hash_ident(const char *name) { const char *p = name; int sum = 0; /* a simple sum hash is probably good enough */ while (*p) { sum += *p; p++; } return sum & (HASHMAX-1); } /***** type repository *****/ struct rtype { const char *name; type_t *type; int t; struct rtype *next; }; struct rtype *type_hash[HASHMAX]; static type_t *reg_type(type_t *type, const char *name, int t) { struct rtype *nt; int hash; if (!name) { error_loc("registering named type without name\n"); return type; } hash = hash_ident(name); nt = xmalloc(sizeof(struct rtype)); nt->name = name; nt->type = type; nt->t = t; nt->next = type_hash[hash]; type_hash[hash] = nt; return type; } static int is_incomplete(const type_t *t) { return !t->defined && (is_struct(t->type) || is_union(t->type)); } static void add_incomplete(type_t *t) { struct typenode *tn = xmalloc(sizeof *tn); tn->type = t; list_add_tail(&incomplete_types, &tn->entry); } static void fix_type(type_t *t) { if (t->kind == TKIND_ALIAS && is_incomplete(t)) { type_t *ot = t->orig; fix_type(ot); t->fields = ot->fields; t->defined = ot->defined; } } static void fix_incomplete(void) { struct typenode *tn, *next; LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) { fix_type(tn->type); free(tn); } } static type_t *reg_typedefs(type_t *type, pident_list_t *pidents, attr_list_t *attrs) { type_t *ptr = type; const pident_t *pident; int ptrc = 0; int is_str = is_attr(attrs, ATTR_STRING); unsigned char ptr_type = get_attrv(attrs, ATTR_POINTERTYPE); if (is_str) { type_t *t = type; unsigned char c; while (is_ptr(t)) t = t->ref; c = t->type; if (c != RPC_FC_CHAR && c != RPC_FC_BYTE && c != RPC_FC_WCHAR) { pident = LIST_ENTRY( list_head( pidents ), const pident_t, entry ); error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n", pident->var->name); } } /* We must generate names for tagless enum, struct or union. Typedef-ing a tagless enum, struct or union means we want the typedef to be included in a library whether it has other attributes or not, hence the public attribute. */ if ((type->kind == TKIND_ENUM || type->kind == TKIND_RECORD || type->kind == TKIND_UNION) && ! type->name && ! parse_only) { if (! is_attr(attrs, ATTR_PUBLIC)) attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) ); type->name = gen_name(); } LIST_FOR_EACH_ENTRY( pident, pidents, const pident_t, entry ) { var_t *name = pident->var; if (name->name) { type_t *cur = ptr; int cptr = pident->ptr_level; if (cptr > ptrc) { while (cptr > ptrc) { cur = ptr = make_type(pointer_default, cur); ptrc++; } } else { while (cptr < ptrc) { cur = cur->ref; cptr++; } } cur = alias(cur, name->name); cur->attrs = attrs; if (ptr_type) { if (is_ptr(cur)) cur->type = ptr_type; else error_loc("'%s': pointer attribute applied to non-pointer type\n", cur->name); } else if (is_str && ! is_ptr(cur)) error_loc("'%s': [string] attribute applied to non-pointer type\n", cur->name); if (is_incomplete(cur)) add_incomplete(cur); reg_type(cur, cur->name, 0); } } return type; } static type_t *find_type(const char *name, int t) { struct rtype *cur = type_hash[hash_ident(name)]; while (cur && (cur->t != t || strcmp(cur->name, name))) cur = cur->next; if (!cur) { error_loc("type '%s' not found\n", name); return NULL; } return cur->type; } static type_t *find_type2(char *name, int t) { type_t *tp = find_type(name, t); free(name); return tp; } int is_type(const char *name) { struct rtype *cur = type_hash[hash_ident(name)]; while (cur && (cur->t || strcmp(cur->name, name))) cur = cur->next; if (cur) return TRUE; return FALSE; } static type_t *get_type(unsigned char type, char *name, int t) { struct rtype *cur = NULL; type_t *tp; if (name) { cur = type_hash[hash_ident(name)]; while (cur && (cur->t != t || strcmp(cur->name, name))) cur = cur->next; } if (cur) { free(name); return cur->type; } tp = make_type(type, NULL); tp->name = name; if (!name) return tp; return reg_type(tp, name, t); } static type_t *get_typev(unsigned char type, var_t *name, int t) { char *sname = NULL; if (name) { sname = name->name; free(name); } return get_type(type, sname, t); } static int get_struct_type(var_list_t *fields) { int has_pointer = 0; int has_conformance = 0; int has_variance = 0; var_t *field; if (get_padding(fields)) return RPC_FC_BOGUS_STRUCT; if (fields) LIST_FOR_EACH_ENTRY( field, fields, var_t, entry ) { type_t *t = field->type; if (is_user_type(t)) return RPC_FC_BOGUS_STRUCT; if (is_ptr(t)) { do t = t->ref; while (is_ptr(t)); switch (t->type) { case RPC_FC_IP: case RPC_FC_ENCAPSULATED_UNION: case RPC_FC_NON_ENCAPSULATED_UNION: case RPC_FC_BOGUS_STRUCT: return RPC_FC_BOGUS_STRUCT; } has_pointer = 1; continue; } if (field->type->declarray) { if (is_string_type(field->attrs, field->type)) { if (is_conformant_array(field->type)) has_conformance = 1; has_variance = 1; continue; } if (is_array(field->type->ref)) return RPC_FC_BOGUS_STRUCT; if (is_conformant_array(field->type)) { has_conformance = 1; if (field->type->declarray && list_next(fields, &field->entry)) error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n", field->name); } if (field->type->length_is) has_variance = 1; t = field->type->ref; } switch (t->type) { /* * RPC_FC_BYTE, RPC_FC_STRUCT, etc * Simple types don't effect the type of struct. * A struct containing a simple struct is still a simple struct. * So long as we can block copy the data, we return RPC_FC_STRUCT. */ case 0: /* void pointer */ case RPC_FC_BYTE: case RPC_FC_CHAR: case RPC_FC_SMALL: case RPC_FC_USMALL: case RPC_FC_WCHAR: case RPC_FC_SHORT: case RPC_FC_USHORT: case RPC_FC_LONG: case RPC_FC_ULONG: case RPC_FC_INT3264: case RPC_FC_UINT3264: case RPC_FC_HYPER: case RPC_FC_FLOAT: case RPC_FC_DOUBLE: case RPC_FC_STRUCT: case RPC_FC_ENUM32: break; case RPC_FC_RP: case RPC_FC_UP: case RPC_FC_FP: case RPC_FC_OP: case RPC_FC_CARRAY: case RPC_FC_CVARRAY: case RPC_FC_BOGUS_ARRAY: has_pointer = 1; break; /* * Propagate member attributes * a struct should be at least as complex as its member */ case RPC_FC_CVSTRUCT: has_conformance = 1; has_variance = 1; has_pointer = 1; break; case RPC_FC_CPSTRUCT: has_conformance = 1; if (list_next( fields, &field->entry )) error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n", field->name); has_pointer = 1; break; case RPC_FC_CSTRUCT: has_conformance = 1; if (list_next( fields, &field->entry )) error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n", field->name); break; case RPC_FC_PSTRUCT: has_pointer = 1; break; default: error_loc("Unknown struct member %s with type (0x%02x)\n", field->name, t->type); /* fallthru - treat it as complex */ /* as soon as we see one of these these members, it's bogus... */ case RPC_FC_ENCAPSULATED_UNION: case RPC_FC_NON_ENCAPSULATED_UNION: case RPC_FC_BOGUS_STRUCT: case RPC_FC_ENUM16: return RPC_FC_BOGUS_STRUCT; } } if( has_variance ) { if ( has_conformance ) return RPC_FC_CVSTRUCT; else return RPC_FC_BOGUS_STRUCT; } if( has_conformance && has_pointer ) return RPC_FC_CPSTRUCT; if( has_conformance ) return RPC_FC_CSTRUCT; if( has_pointer ) return RPC_FC_PSTRUCT; return RPC_FC_STRUCT; } /***** constant repository *****/ struct rconst { char *name; var_t *var; struct rconst *next; }; struct rconst *const_hash[HASHMAX]; static var_t *reg_const(var_t *var) { struct rconst *nc; int hash; if (!var->name) { error_loc("registering constant without name\n"); return var; } hash = hash_ident(var->name); nc = xmalloc(sizeof(struct rconst)); nc->name = var->name; nc->var = var; nc->next = const_hash[hash]; const_hash[hash] = nc; return var; } static var_t *find_const(char *name, int f) { struct rconst *cur = const_hash[hash_ident(name)]; while (cur && strcmp(cur->name, name)) cur = cur->next; if (!cur) { if (f) error_loc("constant '%s' not found\n", name); return NULL; } return cur->var; } static void write_libid(const char *name, const attr_list_t *attr) { const UUID *uuid = get_attrp(attr, ATTR_UUID); write_guid(idfile, "LIBID", name, uuid); } static void write_clsid(type_t *cls) { const UUID *uuid = get_attrp(cls->attrs, ATTR_UUID); write_guid(idfile, "CLSID", cls->name, uuid); } static void write_diid(type_t *iface) { const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID); write_guid(idfile, "DIID", iface->name, uuid); } static void write_iid(type_t *iface) { const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID); write_guid(idfile, "IID", iface->name, uuid); } static int compute_method_indexes(type_t *iface) { int idx; func_t *f; if (iface->ref) idx = compute_method_indexes(iface->ref); else idx = 0; if (!iface->funcs) return idx; LIST_FOR_EACH_ENTRY( f, iface->funcs, func_t, entry ) if (! is_callas(f->def->attrs)) f->idx = idx++; return idx; } static char *gen_name(void) { static const char format[] = "__WIDL_%s_generated_name_%08lX"; static unsigned long n = 0; static const char *file_id; static size_t size; char *name; if (! file_id) { char *dst = dup_basename(input_name, ".idl"); file_id = dst; for (; *dst; ++dst) if (! isalnum((unsigned char) *dst)) *dst = '_'; size = sizeof format - 7 + strlen(file_id) + 8; } name = xmalloc(size); sprintf(name, format, file_id, n++); return name; } static void process_typedefs(pident_list_t *pidents) { pident_t *pident, *next; if (!pidents) return; LIST_FOR_EACH_ENTRY_SAFE( pident, next, pidents, pident_t, entry ) { var_t *var = pident->var; type_t *type = find_type(var->name, 0); if (! parse_only && do_header) write_typedef(type); if (in_typelib && type->attrs) add_typelib_entry(type); free(pident); free(var); } } static void check_arg(var_t *arg) { type_t *t = arg->type; if (t->type == 0 && ! is_var_ptr(arg)) error_loc("argument '%s' has void type\n", arg->name); } static void check_all_user_types(ifref_list_t *ifrefs) { const ifref_t *ifref; const func_t *f; if (ifrefs) LIST_FOR_EACH_ENTRY(ifref, ifrefs, const ifref_t, entry) { const func_list_t *fs = ifref->iface->funcs; if (fs) LIST_FOR_EACH_ENTRY(f, fs, const func_t, entry) check_for_user_types_and_context_handles(f->args); } } int is_valid_uuid(const char *s) { int i; for (i = 0; i < 36; ++i) if (i == 8 || i == 13 || i == 18 || i == 23) { if (s[i] != '-') return FALSE; } else if (!isxdigit(s[i])) return FALSE; return s[i] == '\0'; }