X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2FSDCC.y;h=7464b31baa52dc7df05d74851072c0db480c5629;hb=612786d8db68cae5630bfe055a15da9a7d4a962b;hp=442e17e5ae1e926742ca7421c33dc72dac4d828a;hpb=38db956515d019d220431a1699e8daeca391c922;p=fw%2Fsdcc diff --git a/src/SDCC.y b/src/SDCC.y index 442e17e5..7464b31b 100644 --- a/src/SDCC.y +++ b/src/SDCC.y @@ -87,25 +87,26 @@ bool uselessDecl = TRUE; %token MUL_ASSIGN DIV_ASSIGN MOD_ASSIGN ADD_ASSIGN %token SUB_ASSIGN LEFT_ASSIGN RIGHT_ASSIGN AND_ASSIGN %token XOR_ASSIGN OR_ASSIGN -%token TYPEDEF EXTERN STATIC AUTO REGISTER CODE EEPROM INTERRUPT SFR AT SBIT -%token REENTRANT USING XDATA DATA IDATA PDATA VAR_ARGS CRITICAL NONBANKED BANKED -%token CHAR SHORT INT LONG SIGNED UNSIGNED FLOAT DOUBLE CONST VOLATILE VOID BIT -%token STRUCT UNION ENUM ELIPSIS RANGE FAR +%token TYPEDEF EXTERN STATIC AUTO REGISTER CODE EEPROM INTERRUPT SFR SFR16 SFR32 +%token AT SBIT REENTRANT USING XDATA DATA IDATA PDATA VAR_ARGS CRITICAL +%token NONBANKED BANKED SHADOWREGS WPARAM +%token CHAR SHORT INT LONG SIGNED UNSIGNED FLOAT DOUBLE FIXED16X16 CONST VOLATILE VOID BIT +%token STRUCT UNION ENUM RANGE FAR %token CASE DEFAULT IF ELSE SWITCH WHILE DO FOR GOTO CONTINUE BREAK RETURN %token NAKED JAVANATIVE OVERLAY %token INLINEASM -%token IFX ADDRESS_OF GET_VALUE_AT_ADDRESS SPIL UNSPIL GETHBIT +%token IFX ADDRESS_OF GET_VALUE_AT_ADDRESS SPIL UNSPIL GETHBIT GETABIT GETBYTE GETWORD %token BITWISEAND UNARYMINUS IPUSH IPOP PCALL ENDFUNCTION JUMPTABLE %token RRC RLC %token CAST CALL PARAM NULLOP BLOCK LABEL RECEIVE SEND ARRAYINIT -%token DUMMY_READ_VOLATILE ENDCRITICAL SWAP +%token DUMMY_READ_VOLATILE ENDCRITICAL SWAP INLINE RESTRICT %type Interrupt_storage %type identifier declarator declarator2 declarator3 enumerator_list enumerator %type struct_declarator function_declarator function_declarator2 %type struct_declarator_list struct_declaration struct_declaration_list %type declaration init_declarator_list init_declarator -%type declaration_list identifier_list parameter_identifier_list +%type declaration_list identifier_list %type declarator2_function_attributes while do for critical %type pointer type_specifier_list type_specifier type_name %type storage_class_specifier struct_or_union_specifier @@ -132,8 +133,16 @@ bool uselessDecl = TRUE; %% file + : /* empty */ + { if (!options.lessPedantic) + werror(W_EMPTY_SOURCE_FILE); + } + | program + ; + +program : external_definition - | file external_definition + | program external_definition ; external_definition @@ -159,7 +168,7 @@ external_definition SPEC_EXTR($1->etype) = 1; } } - addSymChain ($1); + addSymChain (&$1); allocVariables ($1) ; cleanUpLevel (SymbolTab,1); } @@ -185,9 +194,9 @@ function_attribute ; function_attributes - : USING CONSTANT { + : USING constant_expr { $$ = newLink(SPECIFIER) ; - FUNC_REGBANK($$) = (int) floatFromVal($2); + FUNC_REGBANK($$) = (int) floatFromVal(constExprValue($2,TRUE)); } | REENTRANT { $$ = newLink (SPECIFIER); FUNC_ISREENT($$)=1; @@ -210,6 +219,12 @@ function_attributes werror(W_BANKED_WITH_NONBANKED); } } + | SHADOWREGS {$$ = newLink (SPECIFIER); + FUNC_ISSHADOWREGS($$) = 1; + } + | WPARAM {$$ = newLink (SPECIFIER); + FUNC_ISWPARAM($$) = 1; + } | BANKED {$$ = newLink (SPECIFIER); FUNC_BANKED($$) = 1; if (FUNC_NONBANKED($$)) { @@ -327,40 +342,16 @@ shift_expr relational_expr : shift_expr - | relational_expr '<' shift_expr { - $$ = (port->lt_nge ? - newNode('!',newNode(GE_OP,$1,$3),NULL) : - newNode('<', $1,$3)); - } - | relational_expr '>' shift_expr { - $$ = (port->gt_nle ? - newNode('!',newNode(LE_OP,$1,$3),NULL) : - newNode('>',$1,$3)); - } - | relational_expr LE_OP shift_expr { - $$ = (port->le_ngt ? - newNode('!', newNode('>', $1 , $3 ), NULL) : - newNode(LE_OP,$1,$3)); - } - | relational_expr GE_OP shift_expr { - $$ = (port->ge_nlt ? - newNode('!', newNode('<', $1 , $3 ), NULL) : - newNode(GE_OP,$1,$3)); - } + | relational_expr '<' shift_expr { $$ = newNode('<', $1,$3);} + | relational_expr '>' shift_expr { $$ = newNode('>', $1,$3);} + | relational_expr LE_OP shift_expr { $$ = newNode(LE_OP,$1,$3);} + | relational_expr GE_OP shift_expr { $$ = newNode(GE_OP,$1,$3);} ; equality_expr : relational_expr - | equality_expr EQ_OP relational_expr { - $$ = (port->eq_nne ? - newNode('!',newNode(NE_OP,$1,$3),NULL) : - newNode(EQ_OP,$1,$3)); - } - | equality_expr NE_OP relational_expr { - $$ = (port->ne_neq ? - newNode('!', newNode(EQ_OP,$1,$3), NULL) : - newNode(NE_OP,$1,$3)); - } + | equality_expr EQ_OP relational_expr { $$ = newNode(EQ_OP,$1,$3);} + | equality_expr NE_OP relational_expr { $$ = newNode(NE_OP,$1,$3);} ; and_expr @@ -401,7 +392,7 @@ conditional_expr assignment_expr : conditional_expr - | unary_expr assignment_operator assignment_expr + | cast_expr assignment_operator assignment_expr { switch ($2) { @@ -409,45 +400,37 @@ assignment_expr $$ = newNode($2,$1,$3); break; case MUL_ASSIGN: - $$ = newNode('=',removePostIncDecOps(copyAst($1)), - newNode('*',removePreIncDecOps(copyAst($1)),$3)); + $$ = createRMW($1, '*', $3); break; case DIV_ASSIGN: - $$ = newNode('=',removePostIncDecOps(copyAst($1)), - newNode('/',removePreIncDecOps(copyAst($1)),$3)); + $$ = createRMW($1, '/', $3); break; case MOD_ASSIGN: - $$ = newNode('=',removePostIncDecOps(copyAst($1)), - newNode('%',removePreIncDecOps(copyAst($1)),$3)); + $$ = createRMW($1, '%', $3); break; case ADD_ASSIGN: - $$ = newNode('=',removePostIncDecOps(copyAst($1)), - newNode('+',removePreIncDecOps(copyAst($1)),$3)); + $$ = createRMW($1, '+', $3); break; case SUB_ASSIGN: - $$ = newNode('=',removePostIncDecOps(copyAst($1)), - newNode('-',removePreIncDecOps(copyAst($1)),$3)); + $$ = createRMW($1, '-', $3); break; case LEFT_ASSIGN: - $$ = newNode('=',removePostIncDecOps(copyAst($1)), - newNode(LEFT_OP,removePreIncDecOps(copyAst($1)),$3)); + $$ = createRMW($1, LEFT_OP, $3); break; case RIGHT_ASSIGN: - $$ = newNode('=',removePostIncDecOps(copyAst($1)), - newNode(RIGHT_OP,removePreIncDecOps(copyAst($1)),$3)); + $$ = createRMW($1, RIGHT_OP, $3); break; case AND_ASSIGN: - $$ = newNode('=',removePostIncDecOps(copyAst($1)), - newNode('&',removePreIncDecOps(copyAst($1)),$3)); + $$ = createRMW($1, '&', $3); break; case XOR_ASSIGN: - $$ = newNode('=',removePostIncDecOps(copyAst($1)), - newNode('^',removePreIncDecOps(copyAst($1)),$3)); + $$ = createRMW($1, '^', $3); break; case OR_ASSIGN: - /* $$ = newNode('=',$1,newNode('|',removeIncDecOps(copyAst($1)),$3)); */ - $$ = newNode('=',removePostIncDecOps(copyAst($1)), - newNode('|',removePreIncDecOps(copyAst($1)),$3)); +/* $$ = newNode('=',$1,newNode('|',removeIncDecOps(copyAst($1)),$3)); */ +/* $$ = newNode('=',removePostIncDecOps(copyAst($1)), + newNode('|',removePreIncDecOps(copyAst($1)),$3)); */ + $$ = createRMW($1, '|', $3); break; default : $$ = NULL; @@ -571,8 +554,8 @@ storage_class_specifier Interrupt_storage : INTERRUPT { $$ = INTNO_UNSPEC ; } - | INTERRUPT CONSTANT - { int intno = (int) floatFromVal($2); + | INTERRUPT constant_expr + { int intno = (int) floatFromVal(constExprValue($2,TRUE)); if ((intno >= 0) && (intno <= INTNO_MAX)) $$ = intno; else @@ -590,59 +573,64 @@ type_specifier /* add this to the storage class specifier */ SPEC_ABSA($1) = 1; /* set the absolute addr flag */ /* now get the abs addr from value */ - SPEC_ADDR($1) = (int) floatFromVal(constExprValue($3,TRUE)) ; + SPEC_ADDR($1) = (unsigned) floatFromVal(constExprValue($3,TRUE)) ; } ; type_specifier2 - : CHAR { - $$=newLink(SPECIFIER); - SPEC_NOUN($$) = V_CHAR ; - ignoreTypedefType = 1; - } - | SHORT { - $$=newLink(SPECIFIER); - $$->select.s._short = 1 ; - ignoreTypedefType = 1; - } - | INT { - $$=newLink(SPECIFIER); - SPEC_NOUN($$) = V_INT ; - ignoreTypedefType = 1; - } - | LONG { - $$=newLink(SPECIFIER); - SPEC_LONG($$) = 1 ; - ignoreTypedefType = 1; - } - | SIGNED { - $$=newLink(SPECIFIER); - $$->select.s._signed = 1; - ignoreTypedefType = 1; - } + : CHAR { + $$=newLink(SPECIFIER); + SPEC_NOUN($$) = V_CHAR ; + ignoreTypedefType = 1; + } + | SHORT { + $$=newLink(SPECIFIER); + SPEC_SHORT($$) = 1 ; + ignoreTypedefType = 1; + } + | INT { + $$=newLink(SPECIFIER); + SPEC_NOUN($$) = V_INT ; + ignoreTypedefType = 1; + } + | LONG { + $$=newLink(SPECIFIER); + SPEC_LONG($$) = 1 ; + ignoreTypedefType = 1; + } + | SIGNED { + $$=newLink(SPECIFIER); + $$->select.s.b_signed = 1; + ignoreTypedefType = 1; + } | UNSIGNED { - $$=newLink(SPECIFIER); - SPEC_USIGN($$) = 1 ; - ignoreTypedefType = 1; - } - | VOID { - $$=newLink(SPECIFIER); - SPEC_NOUN($$) = V_VOID ; - ignoreTypedefType = 1; - } - | CONST { - $$=newLink(SPECIFIER); - SPEC_CONST($$) = 1; - } + $$=newLink(SPECIFIER); + SPEC_USIGN($$) = 1 ; + ignoreTypedefType = 1; + } + | VOID { + $$=newLink(SPECIFIER); + SPEC_NOUN($$) = V_VOID ; + ignoreTypedefType = 1; + } + | CONST { + $$=newLink(SPECIFIER); + SPEC_CONST($$) = 1; + } | VOLATILE { - $$=newLink(SPECIFIER); - SPEC_VOLATILE($$) = 1 ; - } - | FLOAT { - $$=newLink(SPECIFIER); - SPEC_NOUN($$) = V_FLOAT; - ignoreTypedefType = 1; - } + $$=newLink(SPECIFIER); + SPEC_VOLATILE($$) = 1 ; + } + | FLOAT { + $$=newLink(SPECIFIER); + SPEC_NOUN($$) = V_FLOAT; + ignoreTypedefType = 1; + } + | FIXED16X16 { + $$=newLink(SPECIFIER); + SPEC_NOUN($$) = V_FIXED16X16; + ignoreTypedefType = 1; + } | XDATA { $$ = newLink (SPECIFIER); SPEC_SCLS($$) = S_XDATA ; @@ -651,7 +639,7 @@ type_specifier2 $$ = newLink (SPECIFIER) ; SPEC_SCLS($$) = S_CODE ; } - | EEPROM { + | EEPROM { $$ = newLink (SPECIFIER) ; SPEC_SCLS($$) = S_EEPROM ; } @@ -667,19 +655,19 @@ type_specifier2 $$ = newLink (SPECIFIER); SPEC_SCLS($$) = S_PDATA ; } - | BIT { - $$=newLink(SPECIFIER); - SPEC_NOUN($$) = V_BIT ; - SPEC_SCLS($$) = S_BIT ; - SPEC_BLEN($$) = 1; - SPEC_BSTR($$) = 0; - ignoreTypedefType = 1; - } + | BIT { + $$=newLink(SPECIFIER); + SPEC_NOUN($$) = V_BIT ; + SPEC_SCLS($$) = S_BIT ; + SPEC_BLEN($$) = 1; + SPEC_BSTR($$) = 0; + ignoreTypedefType = 1; + } | struct_or_union_specifier { uselessDecl = FALSE; $$ = $1 ; - ignoreTypedefType = 1; + ignoreTypedefType = 1; } | enum_specifier { cenum = NULL ; @@ -693,7 +681,7 @@ type_specifier2 sym_link *p ; sym = findSym(TypedefTab,NULL,$1) ; $$ = p = copyLinkChain(sym->type); - SPEC_TYPEDEF(getSpec(p)) = 0; + SPEC_TYPEDEF(getSpec(p)) = 0; ignoreTypedefType = 1; } | sfr_reg_bit @@ -704,9 +692,9 @@ sfr_reg_bit $$ = newLink(SPECIFIER) ; SPEC_NOUN($$) = V_SBIT; SPEC_SCLS($$) = S_SBIT; - SPEC_BLEN($$) = 1; - SPEC_BSTR($$) = 0; - ignoreTypedefType = 1; + SPEC_BLEN($$) = 1; + SPEC_BSTR($$) = 0; + ignoreTypedefType = 1; } | sfr_attributes ; @@ -718,7 +706,7 @@ sfr_attributes SPEC_NOUN($$) = V_CHAR; SPEC_SCLS($$) = S_SFR ; SPEC_USIGN($$) = 1 ; - ignoreTypedefType = 1; + ignoreTypedefType = 1; } | SFR BANKED { $$ = newLink(SPECIFIER) ; @@ -726,7 +714,30 @@ sfr_attributes SPEC_NOUN($$) = V_CHAR; SPEC_SCLS($$) = S_SFR ; SPEC_USIGN($$) = 1 ; - ignoreTypedefType = 1; + ignoreTypedefType = 1; + } + ; + +sfr_attributes + : SFR16 { + $$ = newLink(SPECIFIER) ; + FUNC_REGBANK($$) = 0; + SPEC_NOUN($$) = V_INT; + SPEC_SCLS($$) = S_SFR; + SPEC_USIGN($$) = 1 ; + ignoreTypedefType = 1; + } + ; + +sfr_attributes + : SFR32 { + $$ = newLink(SPECIFIER) ; + FUNC_REGBANK($$) = 0; + SPEC_NOUN($$) = V_INT; + SPEC_SCLS($$) = S_SFR; + SPEC_LONG($$) = 1; + SPEC_USIGN($$) = 1; + ignoreTypedefType = 1; } ; @@ -874,9 +885,9 @@ struct_declarator_list struct_declarator : declarator | ':' constant_expr { - int bitsize; + unsigned int bitsize; $$ = newSymbol (genSymName(NestLevel),NestLevel) ; - bitsize= (int) floatFromVal(constExprValue($2,TRUE)); + bitsize= (unsigned int) floatFromVal(constExprValue($2,TRUE)); if (bitsize > (port->s.int_size * 8)) { bitsize = port->s.int_size * 8; werror(E_BITFLD_SIZE, bitsize); @@ -887,8 +898,8 @@ struct_declarator } | declarator ':' constant_expr { - int bitsize; - bitsize= (int) floatFromVal(constExprValue($3,TRUE)); + unsigned int bitsize; + bitsize= (unsigned int) floatFromVal(constExprValue($3,TRUE)); if (bitsize > (port->s.int_size * 8)) { bitsize = port->s.int_size * 8; werror(E_BITFLD_SIZE, bitsize); @@ -976,7 +987,7 @@ enumerator SPEC_ENUM($1->etype) = 1; $$ = $1 ; // do this now, so we can use it for the next enums in the list - addSymChain($1); + addSymChain(&$1); } ; @@ -1126,7 +1137,7 @@ function_declarator2 $$ = $1; } - | declarator2 '(' parameter_identifier_list ')' + | declarator2 '(' identifier_list ')' { werror(E_OLD_STYLE,$1->name) ; /* assume it returns an int */ @@ -1217,11 +1228,6 @@ type_specifier_list } ; -parameter_identifier_list - : identifier_list - | identifier_list ',' ELIPSIS - ; - identifier_list : identifier | identifier_list ',' identifier @@ -1252,7 +1258,7 @@ parameter_declaration pointerTypes($2->type,$1); addDecl ($2,0,$1); for (loop=$2;loop;loop->_isparm=1,loop=loop->next); - addSymChain ($2); + addSymChain (&$2); $$ = symbolVal($2); ignoreTypedefType = 0; } @@ -1338,12 +1344,17 @@ abstract_declarator2 FUNC_HASVARARGS(p) = IS_VARG($4); FUNC_ARGS(p) = reverseVal($4); - + /* nest level was incremented to take care of the parms */ NestLevel-- ; currBlockno--; - p->next = $1; - $$ = p; + if (!$1) { + /* ((void (code *) (void)) 0) () */ + $1=newLink(DECLARATOR); + DCL_TYPE($1)=CPOINTER; + $$ = $1; + } + $1->next=p; // remove the symbol args (if any) cleanUpLevel(SymbolTab,NestLevel+1); @@ -1399,7 +1410,8 @@ critical_statement labeled_statement // : identifier ':' statement { $$ = createLabel($1,$3); } - : identifier ':' { $$ = createLabel($1,NULL); } + : identifier ':' { $$ = createLabel($1,NULL); + $1->isitmp = 0; } | CASE constant_expr ':' { if (STACK_EMPTY(swStk)) @@ -1431,10 +1443,10 @@ compound_statement : start_block end_block { $$ = createBlock(NULL,NULL); } | start_block statement_list end_block { $$ = createBlock(NULL,$2) ; } | start_block - declaration_list { addSymChain($2); } + declaration_list { addSymChain(&$2); } end_block { $$ = createBlock($2,NULL) ; } | start_block - declaration_list { addSymChain ($2); } + declaration_list { addSymChain (&$2); } statement_list end_block {$$ = createBlock($2,$4) ; } | error ';' { $$ = NULL ; }