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| version 1.151, 2001/07/25 10:33:05 | version 1.204.2.2, 2003/01/30 14:59:44 |
|---|---|
| Line 1 | Line 1 |
| %{ | |
| /** @file | /** @file |
| Parser: compiler(lexical parser and grammar). | Parser: compiler(lexical parser and grammar). |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) |
| $Id$ | |
| */ | */ |
| %{ | |
| static char *RCSId="$Id$"; | |
| /** | /** |
| @todo parser4: | @todo parser4: |
| Line 19 static char *RCSId="$Id$"; | Line 19 static char *RCSId="$Id$"; |
| -#: in iis make up specialized Pool object for that | -#: in iis make up specialized Pool object for that |
| */ | */ |
| #define YYSTYPE Array/*<Operation>*/ * | #define YYSTYPE ArrayOperationPtr |
| #define YYPARSE_PARAM pc | #define YYPARSE_PARAM pc |
| #define YYLEX_PARAM pc | #define YYLEX_PARAM pc |
| #define YYDEBUG 1 | #define YYDEBUG 1 |
| Line 34 static char *RCSId="$Id$"; | Line 34 static char *RCSId="$Id$"; |
| #include "pa_vdouble.h" | #include "pa_vdouble.h" |
| #include "pa_globals.h" | #include "pa_globals.h" |
| #include "pa_vvoid.h" | #include "pa_vvoid.h" |
| #include "pa_vmethod_frame.h" | |
| #define SELF_ELEMENT_NAME "self" | |
| #define USE_CONTROL_METHOD_NAME "USE" | #define USE_CONTROL_METHOD_NAME "USE" |
| static int real_yyerror(parse_control *pc, char *s); | static int real_yyerror(parse_control *pc, char *s); |
| Line 59 static int yylex(YYSTYPE *lvalp, void *p | Line 59 static int yylex(YYSTYPE *lvalp, void *p |
| %token BAD_STRING_COMPARISON_OPERATOR | %token BAD_STRING_COMPARISON_OPERATOR |
| %token BAD_HEX_LITERAL | %token BAD_HEX_LITERAL |
| %token BAD_METHOD_DECL_START | |
| %token BAD_METHOD_PARAMETER_NAME_CHARACTER | |
| %token BAD_MATH_OPERATOR_CHARACTER | |
| %token LAND "&&" | %token LAND "&&" |
| %token LOR "||" | %token LOR "||" |
| %token LXOR "##" | %token LXOR "!||" |
| %token NXOR "!|" | |
| %token NLE "<=" | %token NLE "<=" |
| %token NGE ">=" | %token NGE ">=" |
| %token NEQ "==" | %token NEQ "==" |
| %token NNE "!=" | %token NNE "!=" |
| %token NSL "<<" | |
| %token NSR ">>" | |
| %token SLT "lt" | %token SLT "lt" |
| %token SGT "gt" | %token SGT "gt" |
| Line 83 static int yylex(YYSTYPE *lvalp, void *p | Line 89 static int yylex(YYSTYPE *lvalp, void *p |
| %token IS "is" | %token IS "is" |
| /* logical */ | /* logical */ |
| %left "##" | %left "!||" |
| %left "||" | %left "||" |
| %left "&&" | %left "&&" |
| %left '<' '>' "<=" ">=" "lt" "gt" "le" "ge" | %left '<' '>' "<=" ">=" "lt" "gt" "le" "ge" |
| %left "==" "!=" "eq" "ne" | %left "==" "!=" "eq" "ne" |
| %left "is" "def" "in" "-f" "-d" | %left "is" "def" "in" "-f" "-d" |
| %left '!' | |
| /* bitwise */ | /* bitwise */ |
| %left '#' | %left "!|" |
| %left '|' | %left '|' |
| %left '&' | %left '&' |
| %left '~' | %left "<<" ">>" |
| /* numerical */ | /* numerical */ |
| %left '-' '+' | %left '+' '-' |
| %left '*' '/' '%' | %left '*' '/' '\\' '%' |
| %left NEG /* negation: unary - */ | %left NUNARY /* unary - + */ |
| /* out-of-group */ | |
| %left '~' /* bitwise */ | |
| %left '!' /* logical */ | |
| %% | %% |
| all: | all: |
| one_big_piece { | one_big_piece { |
| Method& method=*NEW Method(POOL, | MethodPtr method(new Method(main_method_name, Method::CT_ANY, |
| *main_method_name, | |
| Method::CT_ANY, | |
| 0, 0, /*min, max numbered_params_count*/ | 0, 0, /*min, max numbered_params_count*/ |
| 0/*param_names*/, 0/*local_names*/, | ArrayConstStringPtr(0)/*param_names*/, ArrayConstStringPtr(0)/*local_names*/, |
| $1/*parser_code*/, 0/*native_code*/); | $1/*parser_code*/, 0/*native_code*/)); |
| PC.cclass->add_method(*main_method_name, method); | PC.cclass->add_method(main_method_name, method); |
| } | } |
| | methods; | | methods; |
| Line 122 method: control_method | code_method; | Line 129 method: control_method | code_method; |
| control_method: '@' STRING '\n' | control_method: '@' STRING '\n' |
| maybe_control_strings { | maybe_control_strings { |
| const String& command=*LA2S($2); | ConstStringPtr command=LA2S(*$2); |
| YYSTYPE strings_code=$4; | YYSTYPE strings_code=$4; |
| if(strings_code->size()<1*2) { | if(strings_code->count()<1*2) { |
| strcpy(PC.error, "@"); | strcpy(PC.error, "@"); |
| strcat(PC.error, command.cstr()); | strcat(PC.error, command->cstr()); |
| strcat(PC.error, " is empty"); | strcat(PC.error, " is empty"); |
| YYERROR; | YYERROR; |
| } | } |
| if(command==CLASS_NAME) { | if(*command==CLASS_NAME) { |
| if(PC.cclass->base()) { // already changed from default? | if(PC.cclass->base_class()) { // already changed from default? |
| strcpy(PC.error, "class already have a name '"); | strcpy(PC.error, "class already have a name '"); |
| strncat(PC.error, PC.cclass->name().cstr(), 100); | strncat(PC.error, PC.cclass->name()->cstr(), 100); |
| strcat(PC.error, "'"); | strcat(PC.error, "'"); |
| YYERROR; | YYERROR; |
| } | } |
| if(strings_code->size()==1*2) { | if(strings_code->count()==1*2) { |
| // new class' name | // new class' name |
| const String *name=LA2S(strings_code); | ConstStringPtr name=LA2S(*strings_code); |
| // creating the class | // creating the class |
| PC.cclass=NEW VClass(POOL); | PC.cclass=VStateless_classPtr(new VClass); |
| PC.cclass->set_name(*name); | PC.cclass->set_name(name); |
| // append to request's classes | // append to request's classes |
| PC.request->classes().put(*name, PC.cclass); | PC.request->classes().put(name, PC.cclass); |
| } else { | } else { |
| strcpy(PC.error, "@"CLASS_NAME" must contain sole name"); | strcpy(PC.error, "@"CLASS_NAME" must contain sole name"); |
| YYERROR; | YYERROR; |
| } | } |
| } else if(command==USE_CONTROL_METHOD_NAME) { | } else if(*command==USE_CONTROL_METHOD_NAME) { |
| for(int i=0; i<strings_code->size(); i+=2) | for(int i=0; i<strings_code->count(); i+=2) |
| PC.request->use_file( | PC.request->use_file(PC.request->main_class, LA2S(*strings_code, i)); |
| PC.request->absolute(*LA2S(strings_code, i))); | } else if(*command==BASE_NAME) { |
| } else if(command==BASE_NAME) { | if(PC.cclass->base_class()) { // already changed from default? |
| if(PC.cclass->base()) { // already changed from default? | |
| strcpy(PC.error, "class already have a base '"); | strcpy(PC.error, "class already have a base '"); |
| strncat(PC.error, PC.cclass->base()->name().cstr(), 100); | strncat(PC.error, PC.cclass->base_class()->name()->cstr(), 100); |
| strcat(PC.error, "'"); | strcat(PC.error, "'"); |
| YYERROR; | YYERROR; |
| } | } |
| if(strings_code->size()==1*2) { | if(strings_code->count()==1*2) { |
| const String& base_name=*LA2S(strings_code); | ConstStringPtr base_name=LA2S(*strings_code); |
| VClass *base=static_cast<VClass *>( | if(VStateless_classPtr base_class=PC.request->classes().get(base_name)) { |
| PC.request->classes().get(base_name)); | // @CLASS == @BASE sanity check |
| if(!base) { | if(PC.cclass.get()==base_class.get()) { |
| strcpy(PC.error, base_name.cstr()); | strcpy(PC.error, "@"CLASS_NAME" equals @"BASE_NAME); |
| YYERROR; | |
| } | |
| PC.cclass->set_base(base_class); | |
| } else { | |
| strcpy(PC.error, base_name->cstr()); | |
| strcat(PC.error, ": undefined class in @"BASE_NAME); | strcat(PC.error, ": undefined class in @"BASE_NAME); |
| YYERROR; | YYERROR; |
| } | } |
| // @CLASS == @BASE sanity check | |
| if(PC.cclass==base) { | |
| strcpy(PC.error, "@"CLASS_NAME" equals @"BASE_NAME); | |
| YYERROR; | |
| } | |
| PC.cclass->set_base(*base); | |
| } else { | } else { |
| strcpy(PC.error, "@"BASE_NAME" must contain sole name"); | strcpy(PC.error, "@"BASE_NAME" must contain sole name"); |
| YYERROR; | YYERROR; |
| } | } |
| } else { | } else { |
| strcpy(PC.error, "'"); | strcpy(PC.error, "'"); |
| strncat(PC.error, command.cstr(), MAX_STRING/2); | strncat(PC.error, command->cstr(), MAX_STRING/2); |
| strcat(PC.error, "' invalid special name. valid names are " | strcat(PC.error, "' invalid special name. valid names are " |
| "'"CLASS_NAME"', '"USE_CONTROL_METHOD_NAME"' and '"BASE_NAME"'"); | "'"CLASS_NAME"', '"USE_CONTROL_METHOD_NAME"' and '"BASE_NAME"'"); |
| YYERROR; | YYERROR; |
| } | } |
| }; | }; |
| maybe_control_strings: empty | control_strings; | maybe_control_strings: empty | control_strings; |
| control_strings: control_string | control_strings control_string { $$=$1; P($$, $2) }; | control_strings: control_string | control_strings control_string { $$=$1; P(*$$, *$2) }; |
| control_string: maybe_string '\n'; | control_string: maybe_string '\n'; |
| maybe_string: empty | STRING; | maybe_string: empty | STRING; |
| code_method: '@' STRING bracketed_maybe_strings maybe_bracketed_strings maybe_comment '\n' | code_method: '@' STRING bracketed_maybe_strings maybe_bracketed_strings maybe_comment '\n' |
| maybe_codes { | maybe_codes { |
| const String *name=LA2S($2); | ConstStringPtr name=LA2S(*$2); |
| YYSTYPE params_names_code=$3; | YYSTYPE params_names_code=$3; |
| Array *params_names=0; | ArrayConstStringPtr params_names; |
| if(int size=params_names_code->size()) { | if(int size=params_names_code->count()) { |
| params_names=NEW Array(POOL); | params_names=ArrayConstStringPtr(new ArrayConstString); |
| for(int i=0; i<size; i+=2) | for(int i=0; i<size; i+=2) |
| *params_names+=LA2S(params_names_code, i); | *params_names+=LA2S(*params_names_code, i); |
| } | } |
| YYSTYPE locals_names_code=$4; | YYSTYPE locals_names_code=$4; |
| Array *locals_names=0; | ArrayConstStringPtr locals_names; |
| if(int size=locals_names_code->size()) { | if(int size=locals_names_code->count()) { |
| locals_names=NEW Array(POOL); | locals_names=ArrayConstStringPtr(new ArrayConstString); |
| for(int i=0; i<size; i+=2) | for(int i=0; i<size; i+=2) |
| *locals_names+=LA2S(locals_names_code, i); | *locals_names+=LA2S(*locals_names_code, i); |
| } | } |
| Method& method=*NEW Method(POOL, | MethodPtr method(new Method( |
| *name, | name, |
| Method::CT_ANY, | Method::CT_ANY, |
| 0, 0/*min,max numbered_params_count*/, | 0, 0/*min,max numbered_params_count*/, |
| params_names, locals_names, | params_names, locals_names, |
| $7, 0); | $7, 0)); |
| PC.cclass->add_method(*name, method); | PC.cclass->add_method(name, method); |
| }; | }; |
| maybe_bracketed_strings: empty | bracketed_maybe_strings; | maybe_bracketed_strings: empty | bracketed_maybe_strings; |
| bracketed_maybe_strings: '[' maybe_strings ']' {$$=$2}; | bracketed_maybe_strings: '[' maybe_strings ']' {$$=$2}; |
| maybe_strings: empty | strings; | maybe_strings: empty | strings; |
| strings: STRING | strings ';' STRING { $$=$1; P($$, $3) }; | strings: STRING | strings ';' STRING { $$=$1; P(*$$, *$3) }; |
| maybe_comment: empty | STRING; | maybe_comment: empty | STRING; |
| Line 232 maybe_comment: empty | STRING; | Line 237 maybe_comment: empty | STRING; |
| maybe_codes: empty | codes; | maybe_codes: empty | codes; |
| codes: code | codes code { $$=$1; P($$, $2) }; | codes: code | codes code { $$=$1; P(*$$, *$2) }; |
| code: write_string | action; | code: write_string | action; |
| action: get | put | call; | action: get | put | call; |
| /* get */ | /* get */ |
| get: get_value { | get: get_value { |
| $$=$1; /* stack: resulting value */ | $$=$1; /* stack: resulting value */ |
| O($$, OP_WRITE_VALUE); /* value=pop; wcontext.write(value) */ | changetail_or_append(*$$, |
| OP_GET_ELEMENT, false, /*->*/OP_GET_ELEMENT__WRITE, | |
| /*or */OP_WRITE_VALUE | |
| ); /* value=pop; wcontext.write(value) */ | |
| }; | }; |
| get_value: '$' get_name_value { $$=$2 } | get_value: '$' get_name_value { $$=$2 }; |
| get_name_value: name_without_curly_rdive EON | name_in_curly_rdive; | get_name_value: name_without_curly_rdive EON | name_in_curly_rdive; |
| name_in_curly_rdive: '{' name_without_curly_rdive '}' { $$=$2 }; | name_in_curly_rdive: '{' name_without_curly_rdive '}' { $$=$2 }; |
| name_without_curly_rdive: | name_without_curly_rdive: |
| name_without_curly_rdive_read | name_without_curly_rdive_read |
| | name_without_curly_rdive_root | |
| | name_without_curly_rdive_class; | | name_without_curly_rdive_class; |
| name_without_curly_rdive_read: name_without_curly_rdive_code { | name_without_curly_rdive_read: name_without_curly_rdive_code { |
| $$=N(POOL); | $$=N(); |
| Array *diving_code=$1; | ArrayOperationPtr diving_code=$1; |
| const String *first_name=LA2S(diving_code); | ConstStringPtr first_name=LA2S(*diving_code); |
| // self.xxx... -> xxx... | |
| // OP_VALUE+string+OP_GET_ELEMENT+... -> OP_WITH_SELF+... | |
| if(first_name && *first_name==SELF_ELEMENT_NAME) { | if(first_name && *first_name==SELF_ELEMENT_NAME) { |
| O($$, OP_WITH_SELF); /* stack: starting context */ | O(*$$, OP_WITH_SELF); /* stack: starting context */ |
| P($$, diving_code, | P(*$$, *diving_code, |
| /* skip over... */ | /* skip over... */ |
| diving_code->size()>2?3/*OP_+string+get_element*/:2/*OP_+string*/); | diving_code->count()>=3?3/*OP_VALUE+string+OP_GET_ELEMENTx*/:2/*OP_+string*/); |
| } else { | } else { |
| O($$, OP_WITH_READ); /* stack: starting context */ | O(*$$, OP_WITH_READ); /* stack: starting context */ |
| P($$, diving_code); | |
| // ^if ELEMENT -> ^if ELEMENT_OR_OPERATOR | |
| // OP_VALUE+string+OP_GET_ELEMENT. -> OP_VALUE+string+OP_GET_ELEMENT_OR_OPERATOR. | |
| if(PC.in_call_value && diving_code->count()==3) | |
| (*diving_code)[2].code=OP_GET_ELEMENT_OR_OPERATOR; | |
| P(*$$, *diving_code); | |
| } | } |
| /* diving code; stack: current context */ | /* diving code; stack: current context */ |
| }; | }; |
| name_without_curly_rdive_root: ':' name_without_curly_rdive_code { | name_without_curly_rdive_class: class_prefix name_without_curly_rdive_code { $$=$1; P(*$$, *$2) }; |
| $$=N(POOL); | name_without_curly_rdive_code: name_advance2 | name_path name_advance2 { $$=$1; P(*$$, *$2) }; |
| O($$, OP_WITH_ROOT); /* stack: starting context */ | |
| P($$, $2); /* diving code; stack: current context */ | |
| }; | |
| name_without_curly_rdive_class: class_prefix name_without_curly_rdive_code { $$=$1; P($$, $2) }; | |
| name_without_curly_rdive_code: name_advance2 | name_path name_advance2 { $$=$1; P($$, $2) }; | |
| /* put */ | /* put */ |
| put: '$' name_expr_wdive construct { | put: '$' name_expr_wdive construct { |
| $$=$2; /* stack: context,name */ | $$=$2; /* stack: context,name */ |
| P($$, $3); /* stack: context,name,constructor_value */ | P(*$$, *$3); /* stack: context,name,constructor_value */ |
| }; | }; |
| name_expr_wdive: | name_expr_wdive: |
| name_expr_wdive_write | name_expr_wdive_root |
| | name_expr_wdive_root | | name_expr_wdive_write |
| | name_expr_wdive_class; | | name_expr_wdive_class; |
| name_expr_wdive_write: name_expr_dive_code { | name_expr_wdive_root: name_expr_dive_code { |
| $$=N(POOL); | $$=N(); |
| Array *diving_code=$1; | ArrayOperationPtr diving_code=$1; |
| const String *first_name=LA2S(diving_code); | ConstStringPtr first_name=LA2S(*diving_code); |
| // $self.xxx... -> $xxx... | |
| // OP_VALUE+string+OP_GET_ELEMENT+... -> OP_WITH_SELF+... | |
| if(first_name && *first_name==SELF_ELEMENT_NAME) { | if(first_name && *first_name==SELF_ELEMENT_NAME) { |
| O($$, OP_WITH_SELF); /* stack: starting context */ | O(*$$, OP_WITH_SELF); /* stack: starting context */ |
| P($$, diving_code, | P(*$$, *diving_code, |
| /* skip over... */ | /* skip over... */ |
| diving_code->size()>2?3/*OP_+string+get_element*/:2/*OP_+string*/); | diving_code->count()>=3?3/*OP_VALUE+string+OP_GET_ELEMENTx*/:2/*OP_+string*/); |
| } else { | } else { |
| O($$, OP_WITH_WRITE); /* stack: starting context */ | O(*$$, OP_WITH_ROOT); /* stack: starting context */ |
| P($$, diving_code); | P(*$$, *diving_code); |
| } | } |
| /* diving code; stack: current context */ | /* diving code; stack: current context */ |
| }; | }; |
| name_expr_wdive_root: ':' name_expr_dive_code { | name_expr_wdive_write: '.' name_expr_dive_code { |
| $$=N(POOL); | $$=N(); |
| O($$, OP_WITH_ROOT); /* stack: starting context */ | O(*$$, OP_WITH_WRITE); /* stack: starting context */ |
| P($$, $2); /* diving code; stack: context,name */ | P(*$$, *$2); /* diving code; stack: context,name */ |
| }; | }; |
| name_expr_wdive_class: class_prefix name_expr_dive_code { $$=$1; P($$, $2) }; | name_expr_wdive_class: class_prefix name_expr_dive_code { $$=$1; P(*$$, *$2) }; |
| construct: | construct: |
| construct_square | | construct_square |
| construct_round | | | construct_round |
| construct_curly | | construct_curly |
| ; | ; |
| construct_square: '[' any_constructor_code_value ']' { | construct_square: '[' any_constructor_code_value ']' { |
| // stack: context, name | // stack: context, name |
| $$=$2; // stack: context, name, value | $$=$2; // stack: context, name, value |
| O($$, OP_CONSTRUCT_VALUE); /* value=pop; name=pop; context=pop; construct(context,name,value) */ | O(*$$, OP_CONSTRUCT_VALUE); /* value=pop; name=pop; context=pop; construct(context,name,value) */ |
| } | } |
| ; | ; |
| construct_round: '(' expr_value ')' { | construct_round: '(' expr_value ')' { |
| $$=N(); | |
| O(*$$, OP_PREPARE_TO_EXPRESSION); | |
| // stack: context, name | // stack: context, name |
| $$=$2; // stack: context, name, value | P(*$$, *$2); // stack: context, name, value |
| O($$, OP_CONSTRUCT_EXPR); /* value=pop; name=pop; context=pop; construct(context,name,value) */ | O(*$$, OP_CONSTRUCT_EXPR); /* value=pop->as_expr_result; name=pop; context=pop; construct(context,name,value) */ |
| } | } |
| ; | ; |
| construct_curly: '{' maybe_codes '}' { | construct_curly: '{' maybe_codes '}' { |
| // stack: context, name | // stack: context, name |
| $$=N(POOL); | $$=N(); |
| CCA($$, $2); /* code=pop; name=pop; context=pop; construct(context,name,junction(code)) */ | OA(*$$, OP_CURLY_CODE__CONSTRUCT, $2); /* code=pop; name=pop; context=pop; construct(context,name,junction(code)) */ |
| }; | }; |
| any_constructor_code_value: | any_constructor_code_value: |
| empty_string_value /* optimized $var[] case */ | void_value /* optimized $var[] case */ |
| | STRING /* optimized $var[STRING] case */ | | STRING /* optimized $var[STRING] case */ |
| | constructor_code_value /* $var[something complex] */ | | constructor_code_value /* $var[something complex] */ |
| ; | ; |
| constructor_code_value: constructor_code { | constructor_code_value: constructor_code { |
| $$=N(POOL); | $$=N(); |
| O($$, OP_CREATE_EWPOOL); /* stack: empty write context */ | OA(*$$, OP_OBJECT_POOL, $1); /* stack: empty write context */ |
| P($$, $1); /* some code that writes to that context */ | /* some code that writes to that context */ |
| O($$, OP_REDUCE_EWPOOL); /* context=pop; stack: context.value() */ | /* context=pop; stack: context.value() */ |
| }; | }; |
| constructor_code: codes__excluding_sole_str_literal; | constructor_code: codes__excluding_sole_str_literal; |
| codes__excluding_sole_str_literal: action | code codes { $$=$1; P($$, $2) }; | codes__excluding_sole_str_literal: action | code codes { $$=$1; P(*$$, *$2) }; |
| /* call */ | /* call */ |
| call: call_value { | call: call_value { |
| $$=$1; /* stack: value */ | $$=$1; /* stack: value */ |
| O($$, OP_WRITE_VALUE); /* value=pop; wcontext.write(value) */ | changetail_or_append(*$$, |
| }; | OP_CALL, true, /*->*/ OP_CALL__WRITE, |
| call_value: '^' call_name store_params EON { /* ^field.$method{vasya} */ | /*or */OP_WRITE_VALUE); /* value=pop; wcontext.write(value) */ |
| $$=$2; /* with_xxx,diving code; stack: context,method_junction */ | }; |
| O($$, OP_GET_METHOD_FRAME); /* stack: context,method_frame */ | call_value: '^' { |
| PC.in_call_value=true; | |
| YYSTYPE params_code=$3; | } |
| if(params_code->size()==3) // probably [] case. [OP_VALUE + Void + STORE_PARAM] | call_name { |
| if(Value *value=LA2V(params_code)) // it is OP_VALUE + value? | PC.in_call_value=false; |
| } | |
| store_params EON { /* ^field.$method{vasya} */ | |
| $$=$3; /* with_xxx,diving code; stack: context,method_junction */ | |
| YYSTYPE params_code=$5; | |
| if(params_code->count()==3) { // probably [] case. [OP_VALUE + Void + STORE_PARAM] | |
| if(ValuePtr value=LA2V(*params_code)) // it is OP_VALUE + value? | |
| if(!value->is_defined()) // value is VVoid? | if(!value->is_defined()) // value is VVoid? |
| params_code=0; // ^zzz[] case. don't append lone empty param. | params_code=YYSTYPE(0); // ^zzz[] case. don't append lone empty param. |
| if(params_code) | } |
| P($$, params_code); // filling method_frame.store_params | /* stack: context, method_junction */ |
| O($$, OP_CALL); // method_frame=pop; ncontext=pop; call(ncontext,method_frame) stack: value | OA(*$$, OP_CALL, params_code); // method_frame=make frame(pop junction); ncontext=pop; call(ncontext,method_frame) stack: value |
| }; | }; |
| call_name: name_without_curly_rdive; | call_name: name_without_curly_rdive; |
| store_params: store_param | store_params store_param { $$=$1; P($$, $2) }; | store_params: store_param | store_params store_param { $$=$1; P(*$$, *$2) }; |
| store_param: | store_param: |
| store_square_param | store_square_param |
| | store_round_param | | store_round_param |
| Line 374 store_round_param: '(' store_expr_param_ | Line 394 store_round_param: '(' store_expr_param_ |
| store_curly_param: '{' store_curly_param_parts '}' {$$=$2}; | store_curly_param: '{' store_curly_param_parts '}' {$$=$2}; |
| store_code_param_parts: | store_code_param_parts: |
| store_code_param_part | store_code_param_part |
| | store_code_param_parts ';' store_code_param_part { $$=$1; P($$, $3) } | | store_code_param_parts ';' store_code_param_part { $$=$1; P(*$$, *$3) } |
| ; | ; |
| store_expr_param_parts: | store_expr_param_parts: |
| store_expr_param_part | store_expr_param_part |
| | store_expr_param_parts ';' store_expr_param_part { $$=$1; P($$, $3) } | | store_expr_param_parts ';' store_expr_param_part { $$=$1; P(*$$, *$3) } |
| ; | ; |
| store_curly_param_parts: | store_curly_param_parts: |
| store_curly_param_part | store_curly_param_part |
| | store_curly_param_parts ';' store_curly_param_part { $$=$1; P($$, $3) } | | store_curly_param_parts ';' store_curly_param_part { $$=$1; P(*$$, *$3) } |
| ; | ; |
| store_code_param_part: code_param_value { | store_code_param_part: code_param_value { |
| $$=$1; | $$=$1; |
| O($$, OP_STORE_PARAM); | O(*$$, OP_STORE_PARAM); |
| }; | }; |
| store_expr_param_part: write_expr_value { | store_expr_param_part: write_expr_value { |
| $$=N(POOL); | $$=N(); |
| PEA($$, $1); | OA(*$$, OP_EXPR_CODE__STORE_PARAM, $1); |
| }; | }; |
| store_curly_param_part: maybe_codes { | store_curly_param_part: maybe_codes { |
| $$=N(POOL); | $$=N(); |
| PCA($$, $1); | OA(*$$, OP_CURLY_CODE__STORE_PARAM, $1); |
| }; | }; |
| code_param_value: | code_param_value: |
| empty_void_value /* optimized [;...] case */ | void_value /* optimized [;...] case */ |
| | STRING /* optimized [STRING] case */ | | STRING /* optimized [STRING] case */ |
| | constructor_code_value /* [something complex] */ | | constructor_code_value /* [something complex] */ |
| ; | ; |
| write_expr_value: expr_value { | write_expr_value: expr_value { |
| $$=$1; | $$=N(); |
| O($$, OP_WRITE_EXPR_RESULT); | O(*$$, OP_PREPARE_TO_EXPRESSION); |
| P(*$$, *$1); | |
| O(*$$, OP_WRITE_EXPR_RESULT); | |
| }; | }; |
| /* name */ | /* name */ |
| name_expr_dive_code: name_expr_value | name_path name_expr_value { $$=$1; P($$, $2) }; | name_expr_dive_code: name_expr_value | name_path name_expr_value { $$=$1; P(*$$, *$2) }; |
| name_path: name_step | name_path name_step { $$=$1; P($$, $2) }; | name_path: name_step | name_path name_step { $$=$1; P(*$$, *$2) }; |
| name_step: name_advance1 '.'; | name_step: name_advance1 '.'; |
| name_advance1: name_expr_value { | name_advance1: name_expr_value { |
| // we know that name_advance1 not called from ^xxx context | |
| // so we'll not check for operator call possibility as we do in name_advance2 | |
| /* stack: context */ | /* stack: context */ |
| $$=$1; /* stack: context,name */ | $$=$1; /* stack: context,name */ |
| O($$, OP_GET_ELEMENT); /* name=pop; context=pop; stack: context.get_element(name) */ | O(*$$, OP_GET_ELEMENT); /* name=pop; context=pop; stack: context.get_element(name) */ |
| }; | }; |
| name_advance2: name_expr_value { | name_advance2: name_expr_value { |
| /* stack: context */ | /* stack: context */ |
| $$=$1; /* stack: context,name */ | $$=$1; /* stack: context,name */ |
| O($$, OP_GET_ELEMENT); /* name=pop; context=pop; stack: context.get_element(name) */ | O(*$$, OP_GET_ELEMENT); /* name=pop; context=pop; stack: context.get_element(name) */ |
| } | } |
| | STRING BOGUS | | STRING BOGUS |
| ; | ; |
| name_expr_value: | name_expr_value: |
| STRING /* subname_is_const */ | STRING /* subname_is_const */ |
| | name_expr_subvar_value /* $subname_is_var_value */ | | name_expr_subvar_value /* $subname_is_var_value */ |
| | name_expr_with_subvar_value /* xxx$part_of_subname_is_var_value[$...] */ | | name_expr_with_subvar_value /* xxx$part_of_subname_is_var_value */ |
| | name_square_code_value /* [codes] */ | |
| ; | ; |
| name_expr_subvar_value: '$' subvar_ref_name_rdive { | name_expr_subvar_value: '$' subvar_ref_name_rdive { |
| $$=$2; | $$=$2; |
| O($$, OP_GET_ELEMENT); | O(*$$, OP_GET_ELEMENT); |
| }; | }; |
| name_expr_with_subvar_value: STRING subvar_get_writes { | name_expr_with_subvar_value: STRING subvar_get_writes { |
| $$=N(POOL); | ArrayOperationPtr code; |
| O($$, OP_CREATE_EWPOOL); | { |
| P($$, $1); | change_string_literal_to_write_string_literal(*(code=$1)); |
| O($$, OP_WRITE_VALUE); | P(*code, *$2); |
| P($$, $2); | } |
| O($$, OP_REDUCE_EWPOOL); | $$=N(); |
| }; | OA(*$$, OP_STRING_POOL, code); |
| subvar_ref_name_rdive: subvar_ref_name_rdive_read | subvar_ref_name_rdive_root; | |
| subvar_ref_name_rdive_read: STRING { | |
| $$=N(POOL); | |
| O($$, OP_WITH_READ); | |
| P($$, $1); | |
| }; | |
| subvar_ref_name_rdive_root: ':' STRING { | |
| $$=N(POOL); | |
| O($$, OP_WITH_ROOT); | |
| P($$, $2); | |
| }; | }; |
| subvar_get_writes: subvar__get_write | subvar_get_writes subvar__get_write { $$=$1; P($$, $2) }; | name_square_code_value: '[' codes ']' { |
| $$=N(); | |
| OA(*$$, OP_OBJECT_POOL, $2); /* stack: empty write context */ | |
| /* some code that writes to that context */ | |
| /* context=pop; stack: context.value() */ | |
| }; | |
| subvar_ref_name_rdive: STRING { | |
| $$=N(); | |
| O(*$$, OP_WITH_READ); | |
| P(*$$, *$1); | |
| }; | |
| subvar_get_writes: subvar__get_write | subvar_get_writes subvar__get_write { $$=$1; P(*$$, *$2) }; | |
| subvar__get_write: '$' subvar_ref_name_rdive { | subvar__get_write: '$' subvar_ref_name_rdive { |
| $$=$2; | $$=$2; |
| O($$, OP_GET_ELEMENT__WRITE); | O(*$$, OP_GET_ELEMENT__WRITE); |
| }; | }; |
| class_prefix: STRING ':' { | class_prefix: |
| class_static_prefix | |
| | class_constructor_prefix | |
| ; | |
| class_static_prefix: STRING ':' { | |
| $$=$1; // stack: class name string | $$=$1; // stack: class name string |
| O($$, OP_GET_CLASS); | if(*LA2S(*$$) == BASE_NAME) { // pseude BASE class |
| if(VStateless_classPtr base=PC.cclass->base_class()) { | |
| change_string_literal_value(*$$, base->name()); | |
| } else { | |
| strcpy(PC.error, "no base class declared"); | |
| YYERROR; | |
| } | |
| } | |
| O(*$$, OP_GET_CLASS); | |
| }; | |
| class_constructor_prefix: class_static_prefix ':' { | |
| $$=$1; | |
| if(!PC.in_call_value) { | |
| strcpy(PC.error, ":: not allowed here"); | |
| YYERROR; | |
| } | |
| O(*$$, OP_PREPARE_TO_CONSTRUCT_OBJECT); | |
| }; | }; |
| /* expr */ | /* expr */ |
| expr_value: expr { | expr_value: expr { |
| if(($$=$1)->size()==2) // only one string literal in there? | // see OP_PREPARE_TO_EXPRESSION!! |
| change_string_literal_to_double_literal($$); // make that string literal Double | if(($$=$1)->count()==2) // only one string literal in there? |
| change_string_literal_to_double_literal(*$$); // make that string literal Double | |
| }; | }; |
| expr: | expr: |
| STRING | STRING |
| Line 478 expr: | Line 526 expr: |
| | '\'' string_inside_quotes_value '\'' { $$ = $2; } | | '\'' string_inside_quotes_value '\'' { $$ = $2; } |
| | '(' expr ')' { $$ = $2; } | | '(' expr ')' { $$ = $2; } |
| /* stack: operand // stack: @operand */ | /* stack: operand // stack: @operand */ |
| | '-' expr %prec NEG { $$=$2; O($$, OP_NEG) } | | '-' expr %prec NUNARY { $$=$2; O(*$$, OP_NEG) } |
| | '~' expr { $$=$2; O($$, OP_INV) } | | '+' expr %prec NUNARY { $$=$2 } |
| | '!' expr { $$=$2; O($$, OP_NOT) } | | '~' expr { $$=$2; O(*$$, OP_INV) } |
| | "def" expr { $$=$2; O($$, OP_DEF) } | | '!' expr { $$=$2; O(*$$, OP_NOT) } |
| | "in" expr { $$=$2; O($$, OP_IN) } | | "def" expr { $$=$2; O(*$$, OP_DEF) } |
| | "-f" expr { $$=$2; O($$, OP_FEXISTS) } | | "in" expr { $$=$2; O(*$$, OP_IN) } |
| | "-d" expr { $$=$2; O($$, OP_DEXISTS) } | | "-f" expr { $$=$2; O(*$$, OP_FEXISTS) } |
| | "-d" expr { $$=$2; O(*$$, OP_DEXISTS) } | |
| /* stack: a,b // stack: a@b */ | /* stack: a,b // stack: a@b */ |
| | expr '-' expr { $$=$1; P($$, $3); O($$, OP_SUB) } | | expr '-' expr { $$=$1; P(*$$, *$3); O(*$$, OP_SUB) } |
| | expr '+' expr { $$=$1; P($$, $3); O($$, OP_ADD) } | | expr '+' expr { $$=$1; P(*$$, *$3); O(*$$, OP_ADD) } |
| | expr '*' expr { $$=$1; P($$, $3); O($$, OP_MUL) } | | expr '*' expr { $$=$1; P(*$$, *$3); O(*$$, OP_MUL) } |
| | expr '/' expr { $$=$1; P($$, $3); O($$, OP_DIV) } | | expr '/' expr { $$=$1; P(*$$, *$3); O(*$$, OP_DIV) } |
| | expr '%' expr { $$=$1; P($$, $3); O($$, OP_MOD) } | | expr '%' expr { $$=$1; P(*$$, *$3); O(*$$, OP_MOD) } |
| | expr '&' expr { $$=$1; P($$, $3); O($$, OP_BIN_AND) } | | expr '\\' expr { $$=$1; P(*$$, *$3); O(*$$, OP_INTDIV) } |
| | expr '|' expr { $$=$1; P($$, $3); O($$, OP_BIN_OR) } | | expr "<<" expr { $$=$1; P(*$$, *$3); O(*$$, OP_BIN_SL) } |
| | expr '#' expr { $$=$1; P($$, $3); O($$, OP_BIN_XOR) } | | expr ">>" expr { $$=$1; P(*$$, *$3); O(*$$, OP_BIN_SR) } |
| | expr "&&" expr { $$=$1; P($$, $3); O($$, OP_LOG_AND) } | | expr '&' expr { $$=$1; P(*$$, *$3); O(*$$, OP_BIN_AND) } |
| | expr "||" expr { $$=$1; P($$, $3); O($$, OP_LOG_OR) } | | expr '|' expr { $$=$1; P(*$$, *$3); O(*$$, OP_BIN_OR) } |
| | expr "##" expr { $$=$1; P($$, $3); O($$, OP_LOG_XOR) } | | expr "!|" expr { $$=$1; P(*$$, *$3); O(*$$, OP_BIN_XOR) } |
| | expr '<' expr { $$=$1; P($$, $3); O($$, OP_NUM_LT) } | | expr "&&" expr { $$=$1; OA(*$$, OP_NESTED_CODE, $3); O(*$$, OP_LOG_AND) } |
| | expr '>' expr { $$=$1; P($$, $3); O($$, OP_NUM_GT) } | | expr "||" expr { $$=$1; OA(*$$, OP_NESTED_CODE, $3); O(*$$, OP_LOG_OR) } |
| | expr "<=" expr { $$=$1; P($$, $3); O($$, OP_NUM_LE) } | | expr "!||" expr { $$=$1; P(*$$, *$3); O(*$$, OP_LOG_XOR) } |
| | expr ">=" expr { $$=$1; P($$, $3); O($$, OP_NUM_GE) } | | expr '<' expr { $$=$1; P(*$$, *$3); O(*$$, OP_NUM_LT) } |
| | expr "==" expr { $$=$1; P($$, $3); O($$, OP_NUM_EQ) } | | expr '>' expr { $$=$1; P(*$$, *$3); O(*$$, OP_NUM_GT) } |
| | expr "!=" expr { $$=$1; P($$, $3); O($$, OP_NUM_NE) } | | expr "<=" expr { $$=$1; P(*$$, *$3); O(*$$, OP_NUM_LE) } |
| | expr "lt" expr { $$=$1; P($$, $3); O($$, OP_STR_LT) } | | expr ">=" expr { $$=$1; P(*$$, *$3); O(*$$, OP_NUM_GE) } |
| | expr "gt" expr { $$=$1; P($$, $3); O($$, OP_STR_GT) } | | expr "==" expr { $$=$1; P(*$$, *$3); O(*$$, OP_NUM_EQ) } |
| | expr "le" expr { $$=$1; P($$, $3); O($$, OP_STR_LE) } | | expr "!=" expr { $$=$1; P(*$$, *$3); O(*$$, OP_NUM_NE) } |
| | expr "ge" expr { $$=$1; P($$, $3); O($$, OP_STR_GE) } | | expr "lt" expr { $$=$1; P(*$$, *$3); O(*$$, OP_STR_LT) } |
| | expr "eq" expr { $$=$1; P($$, $3); O($$, OP_STR_EQ) } | | expr "gt" expr { $$=$1; P(*$$, *$3); O(*$$, OP_STR_GT) } |
| | expr "ne" expr { $$=$1; P($$, $3); O($$, OP_STR_NE) } | | expr "le" expr { $$=$1; P(*$$, *$3); O(*$$, OP_STR_LE) } |
| | expr "is" expr { $$=$1; P($$, $3); O($$, OP_IS) } | | expr "ge" expr { $$=$1; P(*$$, *$3); O(*$$, OP_STR_GE) } |
| | expr "eq" expr { $$=$1; P(*$$, *$3); O(*$$, OP_STR_EQ) } | |
| | expr "ne" expr { $$=$1; P(*$$, *$3); O(*$$, OP_STR_NE) } | |
| | expr "is" expr { $$=$1; P(*$$, *$3); O(*$$, OP_IS) } | |
| ; | ; |
| string_inside_quotes_value: maybe_codes { | string_inside_quotes_value: maybe_codes { |
| $$=N(POOL); | $$=N(); |
| O($$, OP_CREATE_SWPOOL); /* stack: empty write context */ | OA(*$$, OP_STRING_POOL, $1); /* stack: empty write context */ |
| P($$, $1); /* some code that writes to that context */ | /* some code that writes to that context */ |
| O($$, OP_REDUCE_SWPOOL); /* context=pop; stack: context.get_string() */ | /* context=pop; stack: context.get_string() */ |
| }; | }; |
| /* basics */ | /* basics */ |
| write_string: STRING { | write_string: STRING { |
| // optimized from OP_STRING+OP_WRITE_VALUE to OP_STRING__WRITE | // optimized from OP_STRING+OP_WRITE_VALUE to OP_STRING__WRITE |
| change_string_literal_to_write_string_literal($$=$1) | change_string_literal_to_write_string_literal(*($$=$1)) |
| }; | }; |
| empty_void_value: /* empty */ { $$=VL(NEW VVoid(POOL)) }; | void_value: /* empty */ { $$=VL(ValuePtr(new VVoid())) }; |
| empty_string_value: /* empty */ { $$=VL(NEW VString(POOL)) }; | empty: /* empty */ { $$=N() }; |
| empty: /* empty */ { $$=N(POOL) }; | |
| %% | %% |
| #endif | #endif |
| Line 550 empty: /* empty */ { $$=N(POOL) }; | Line 601 empty: /* empty */ { $$=N(POOL) }; |
| */ | */ |
| static int yylex(YYSTYPE *lvalp, void *pc) { | static int yylex(YYSTYPE *lvalp, void *pc) { |
| #define lexical_brackets_nestage PC.brackets_nestages[PC.sp] | #define lexical_brackets_nestage PC.brackets_nestages[PC.ls_sp] |
| #define RC {result=c; goto break2; } | #define RC {result=c; goto break2; } |
| register int c; | register int c; |
| Line 568 static int yylex(YYSTYPE *lvalp, void *p | Line 619 static int yylex(YYSTYPE *lvalp, void *p |
| int skip_analized=0; | int skip_analized=0; |
| while(true) { | while(true) { |
| c=*(end=(PC.source++)); | c=*(end=(PC.source++)); |
| // fprintf(stderr, "\nchar: %c %02X; nestage: %d, sp=%d", c, c, lexical_brackets_nestage, PC.sp); | |
| if(c=='\n') { | if(c=='\n') { |
| PC.line++; | PC.line++; |
| Line 575 static int yylex(YYSTYPE *lvalp, void *p | Line 627 static int yylex(YYSTYPE *lvalp, void *p |
| } else | } else |
| PC.col++; | PC.col++; |
| if(c=='^' && PC.ls!=LS_COMMENT && PC.ls!=LS_DEF_COMMENT) | if(c=='@' && PC.col==0+1) { |
| if(PC.ls==LS_DEF_SPECIAL_BODY) { | |
| // @SPECIAL | |
| // ... | |
| // @<here = | |
| pop_LS(PC); // exiting from LS_DEF_SPECIAL_BODY state | |
| } // continuing checks | |
| if(PC.ls==LS_USER) { | |
| push_LS(PC, LS_DEF_NAME); | |
| RC; | |
| } else // @ in first column inside some code [when could that be?] | |
| result=BAD_METHOD_DECL_START; | |
| goto break2; | |
| } else if(c=='^') { | |
| if(PC.ls==LS_METHOD_AFTER) { | |
| // handle after-method situation | |
| pop_LS(PC); | |
| result=EON; | |
| skip_analized=-1; // return to punctuation afterwards to assure it's literality | |
| goto break2; | |
| } | |
| switch(PC.ls) { | |
| case LS_EXPRESSION_VAR_NAME_WITH_COLON: | |
| case LS_EXPRESSION_VAR_NAME_WITHOUT_COLON: | |
| case LS_VAR_NAME_SIMPLE_WITH_COLON: | |
| case LS_VAR_NAME_SIMPLE_WITHOUT_COLON: | |
| case LS_VAR_NAME_CURLY: | |
| case LS_METHOD_NAME: | |
| case LS_USER_COMMENT: | |
| case LS_DEF_COMMENT: | |
| // no literals in names, please | |
| break; | |
| default: | |
| switch(*PC.source) { | switch(*PC.source) { |
| // escaping: ^^ & co | // ^escaping some punctuators |
| case '^': case '$': case ';': | case '^': case '$': case ';': |
| case '(': case ')': | case '(': case ')': |
| case '[': case ']': | case '[': case ']': |
| case '{': case '}': | case '{': case '}': |
| case '"': | case '"': case ':': |
| if(end!=begin) { | if(end!=begin) { |
| // append piece till ^ | // append piece till ^ |
| PC.string->APPEND_CLEAN(begin, end-begin, PC.file, begin_line); | PC.string->APPEND_CLEAN(begin, end-begin, PC.file, begin_line); |
| } | } |
| // reset piece 'begin' position & line | // reset piece 'begin' position & line |
| begin=PC.source; // ^ | begin=PC.source; // ->punctuation |
| begin_line=PC.line; | begin_line=PC.line; |
| // skip over ^ and _ | // skip over _ after ^ |
| PC.source++; PC.col++; | PC.source++; PC.col++; |
| // skip analysis = forced literal | // skip analysis = forced literal |
| continue; | continue; |
| Line 617 static int yylex(YYSTYPE *lvalp, void *p | Line 701 static int yylex(YYSTYPE *lvalp, void *p |
| PC.source+=3; | PC.source+=3; |
| PC.col+=3; | PC.col+=3; |
| // reset piece 'begin' position & line | // reset piece 'begin' position & line |
| begin=PC.source; // ^ | begin=PC.source; // ->after ^#HH |
| begin_line=PC.line; | begin_line=PC.line; |
| // skip analysis = forced literal | |
| continue; | continue; |
| } | } |
| break; | break; |
| } | } |
| break; | |
| } | |
| } | |
| // #comment start skipping | // #comment start skipping |
| if(c=='#' && PC.col==1) { | if(c=='#' && PC.col==1) { |
| if(end!=begin) { | if(end!=begin) { |
| Line 630 static int yylex(YYSTYPE *lvalp, void *p | Line 718 static int yylex(YYSTYPE *lvalp, void *p |
| PC.string->APPEND_CLEAN(begin, end-begin, PC.file, begin_line); | PC.string->APPEND_CLEAN(begin, end-begin, PC.file, begin_line); |
| } | } |
| // fall into COMMENT lexical state [wait for \n] | // fall into COMMENT lexical state [wait for \n] |
| push_LS(PC, LS_COMMENT); | push_LS(PC, LS_USER_COMMENT); |
| continue; | |
| } | } |
| switch(PC.ls) { | switch(PC.ls) { |
| // USER'S = NOT OURS | // USER'S = NOT OURS |
| case LS_USER: | case LS_USER: |
| case LS_NAME_SQUARE_PART: // name.[here].xxx | |
| if(PC.trim_bof) | |
| switch(c) { | |
| case '\n': case ' ': case '\t': | |
| begin=PC.source; | |
| begin_line=PC.line; | |
| continue; // skip it | |
| default: | |
| PC.trim_bof=false; | |
| } | |
| switch(c) { | switch(c) { |
| case '$': | case '$': |
| push_LS(PC, LS_VAR_NAME_SIMPLE); | push_LS(PC, LS_VAR_NAME_SIMPLE_WITH_COLON); |
| RC; | RC; |
| case '^': | case '^': |
| push_LS(PC, LS_METHOD_NAME); | push_LS(PC, LS_METHOD_NAME); |
| RC; | RC; |
| case '@': | case ']': |
| if(PC.col==0+1) { | if(PC.ls==LS_NAME_SQUARE_PART) |
| push_LS(PC, LS_DEF_NAME); | if(--lexical_brackets_nestage==0) {// $name.[co<]?>de<]?> |
| RC; | pop_LS(PC); // $name.[co<]>de<]!> |
| } | RC; |
| } | |
| break; | |
| case '[': // $name.[co<[>de] | |
| if(PC.ls==LS_NAME_SQUARE_PART) | |
| lexical_brackets_nestage++; | |
| break; | break; |
| } | } |
| break; | break; |
| // #COMMENT | // #COMMENT |
| case LS_COMMENT: | case LS_USER_COMMENT: |
| if(c=='\n') { | if(c=='\n') { |
| // skip comment | // skip comment |
| begin=PC.source; | begin=PC.source; |
| Line 678 static int yylex(YYSTYPE *lvalp, void *p | Line 782 static int yylex(YYSTYPE *lvalp, void *p |
| } | } |
| break; | break; |
| case '$': | case '$': |
| push_LS(PC, LS_VAR_NAME_SIMPLE); | push_LS(PC, LS_VAR_NAME_SIMPLE_WITH_COLON); |
| RC; | RC; |
| case '^': | case '^': |
| push_LS(PC, LS_METHOD_NAME); | push_LS(PC, LS_METHOD_NAME); |
| Line 700 static int yylex(YYSTYPE *lvalp, void *p | Line 804 static int yylex(YYSTYPE *lvalp, void *p |
| case LS_DEF_PARAMS: | case LS_DEF_PARAMS: |
| switch(c) { | switch(c) { |
| case '$': // common error | |
| result=BAD_METHOD_PARAMETER_NAME_CHARACTER; | |
| goto break2; | |
| case ';': | case ';': |
| RC; | RC; |
| case ']': | case ']': |
| Line 733 static int yylex(YYSTYPE *lvalp, void *p | Line 840 static int yylex(YYSTYPE *lvalp, void *p |
| break; | break; |
| case LS_DEF_SPECIAL_BODY: | case LS_DEF_SPECIAL_BODY: |
| // @todo in case | if(c=='\n') |
| // ################ | |
| // @next-method | |
| // we are here with c=='@' | |
| // which is wrong, and need action | |
| if(c=='\n') { | |
| switch(*PC.source) { | |
| case '@': case 0: // end of special_code | |
| pop_LS(PC); | |
| break; | |
| } | |
| RC; | RC; |
| } | |
| break; | break; |
| // (EXPRESSION) | // (EXPRESSION) |
| Line 759 static int yylex(YYSTYPE *lvalp, void *p | Line 855 static int yylex(YYSTYPE *lvalp, void *p |
| else // PC.ls==LS_VAR_ROUND // variable constructor ended | else // PC.ls==LS_VAR_ROUND // variable constructor ended |
| pop_LS(PC); // return to normal life | pop_LS(PC); // return to normal life |
| RC; | RC; |
| case '#': // comment start skipping | |
| if(end!=begin) { | |
| // append piece till # | |
| PC.string->APPEND_CLEAN(begin, end-begin, PC.file, begin_line); | |
| } | |
| // fall into COMMENT lexical state [wait for \n] | |
| push_LS(PC, LS_EXPRESSION_COMMENT); | |
| lexical_brackets_nestage=1; | |
| continue; | |
| case '$': | case '$': |
| push_LS(PC, LS_EXPRESSION_VAR_NAME); | push_LS(PC, LS_EXPRESSION_VAR_NAME_WITH_COLON); |
| RC; | RC; |
| case '^': | case '^': |
| push_LS(PC, LS_METHOD_NAME); | push_LS(PC, LS_METHOD_NAME); |
| Line 778 static int yylex(YYSTYPE *lvalp, void *p | Line 883 static int yylex(YYSTYPE *lvalp, void *p |
| skip_analized=1; | skip_analized=1; |
| result=DEXISTS; | result=DEXISTS; |
| goto break2; | goto break2; |
| default: | default: // minus |
| result=c; | result=c; |
| goto break2; | goto break2; |
| } | } |
| goto break2; | goto break2; |
| case '+': case '*': case '/': case '%': | case '+': case '*': case '/': case '%': case '\\': |
| case '~': | case '~': |
| case ';': | case ';': |
| RC; | RC; |
| case '&': case '|': case '#': | case '&': case '|': |
| if(*PC.source==c) { // && || | if(*PC.source==c) { // && || |
| result=c=='#'?LXOR:c=='&'?LAND:LOR; | result=c=='&'?LAND:LOR; |
| skip_analized=1; | skip_analized=1; |
| } else | } else |
| result=c; | result=c; |
| goto break2; | goto break2; |
| case '<': case '>': case '=': case '!': | case '!': |
| if(*PC.source=='=') { // <= >= == != | switch(PC.source[0]) { |
| case '|': // !| !|| | |
| skip_analized=1; | skip_analized=1; |
| switch(c) { | if(PC.source[1]=='|') { |
| case '<': result=NLE; break; | skip_analized++; |
| case '>': result=NGE; break; | result=LXOR; |
| case '=': result=NEQ; break; | } else |
| case '!': result=NNE; break; | result=NXOR; |
| } | goto break2; |
| } else | case '=': // != |
| result=c; | skip_analized=1; |
| result=NNE; | |
| goto break2; | |
| } | |
| RC; | |
| case '<': // <<, <=, < | |
| switch(*PC.source) { | |
| case '<': // <[<] | |
| skip_analized=1; result=NSL; break; | |
| case '=': // <[=] | |
| skip_analized=1; result=NLE; break; | |
| default: // <[] | |
| result=c; break; | |
| } | |
| goto break2; | |
| case '>': // >>, >=, > | |
| switch(*PC.source) { | |
| case '>': // >[>] | |
| skip_analized=1; result=NSR; break; | |
| case '=': // >[=] | |
| skip_analized=1; result=NGE; break; | |
| default: // >[] | |
| result=c; break; | |
| } | |
| goto break2; | |
| case '=': // == | |
| switch(*PC.source) { | |
| case '=': // =[=] | |
| skip_analized=1; result=NEQ; break; | |
| default: // =[] | |
| result=c; break; // not used now | |
| } | |
| goto break2; | goto break2; |
| case '"': | case '"': |
| push_LS(PC, LS_EXPRESSION_STRING_QUOTED); | push_LS(PC, LS_EXPRESSION_STRING_QUOTED); |
| RC; | RC; |
| Line 868 static int yylex(YYSTYPE *lvalp, void *p | Line 1007 static int yylex(YYSTYPE *lvalp, void *p |
| continue; | continue; |
| } | } |
| break; | break; |
| case LS_EXPRESSION_COMMENT: | |
| if(c=='(') | |
| lexical_brackets_nestage++; | |
| switch(*PC.source) { | |
| case '\n': case ')': | |
| if(*PC.source==')') | |
| if(--lexical_brackets_nestage!=0) | |
| continue; | |
| // skip comment | |
| begin=PC.source; | |
| begin_line=PC.line; | |
| pop_LS(PC); | |
| continue; | |
| } | |
| break; | |
| // VARIABLE GET/PUT/WITH | // VARIABLE GET/PUT/WITH |
| case LS_VAR_NAME_SIMPLE: | case LS_VAR_NAME_SIMPLE_WITH_COLON: |
| case LS_EXPRESSION_VAR_NAME: | case LS_VAR_NAME_SIMPLE_WITHOUT_COLON: |
| case LS_VAR_NAME_NO_COLON: | case LS_EXPRESSION_VAR_NAME_WITH_COLON: |
| if(PC.ls==LS_EXPRESSION_VAR_NAME) { | case LS_EXPRESSION_VAR_NAME_WITHOUT_COLON: |
| // name in expr ends also before binary operators | if( |
| PC.ls==LS_EXPRESSION_VAR_NAME_WITH_COLON || | |
| PC.ls==LS_EXPRESSION_VAR_NAME_WITHOUT_COLON) { | |
| // name in expr ends also before | |
| switch(c) { | switch(c) { |
| // expression minus | |
| case '-': | case '-': |
| // expression integer division | |
| case '\\': | |
| pop_LS(PC); | pop_LS(PC); |
| PC.source--; if(--PC.col<0) { PC.line--; PC.col=-1; } | PC.source--; if(--PC.col<0) { PC.line--; PC.col=-1; } |
| result=EON; | result=EON; |
| goto break2; | goto break2; |
| } | } |
| } | } |
| if(PC.ls==LS_VAR_NAME_NO_COLON) { | if( |
| PC.ls==LS_VAR_NAME_SIMPLE_WITHOUT_COLON || | |
| PC.ls==LS_EXPRESSION_VAR_NAME_WITHOUT_COLON) { | |
| // name already has ':', stop before next | // name already has ':', stop before next |
| switch(c) { | switch(c) { |
| case ':': | case ':': |
| Line 904 static int yylex(YYSTYPE *lvalp, void *p | Line 1069 static int yylex(YYSTYPE *lvalp, void *p |
| case '&': case '|': | case '&': case '|': |
| case '=': case '!': | case '=': case '!': |
| // common delimiters | // common delimiters |
| case ',': | case ',': case '?': case '#': |
| // before call | // before call |
| case '^': | case '^': |
| pop_LS(PC); | pop_LS(PC); |
| Line 912 static int yylex(YYSTYPE *lvalp, void *p | Line 1077 static int yylex(YYSTYPE *lvalp, void *p |
| result=EON; | result=EON; |
| goto break2; | goto break2; |
| case '[': | case '[': |
| // $name.<[>code] | |
| if(PC.col>1/*not first column*/ && ( | |
| end[-1]=='$'/*was start of get*/ || | |
| end[-1]==':'/*was class name delim */ || | |
| end[-1]=='.'/*was name delim */ | |
| )) { | |
| push_LS(PC, LS_NAME_SQUARE_PART); | |
| lexical_brackets_nestage=1; | |
| RC; | |
| } | |
| PC.ls=LS_VAR_SQUARE; | PC.ls=LS_VAR_SQUARE; |
| lexical_brackets_nestage=1; | lexical_brackets_nestage=1; |
| RC; | RC; |
| Line 930 static int yylex(YYSTYPE *lvalp, void *p | Line 1105 static int yylex(YYSTYPE *lvalp, void *p |
| RC; | RC; |
| case '.': // name part delim | case '.': // name part delim |
| case '$': // name part subvar | case '$': // name part subvar |
| case ':': // ':name' or 'class:name' | case ':': // class<:>name |
| PC.ls=LS_VAR_NAME_NO_COLON; // stop before next ':' | // go to _WITHOUT_COLON state variant... |
| if(PC.ls==LS_VAR_NAME_SIMPLE_WITH_COLON) | |
| PC.ls=LS_VAR_NAME_SIMPLE_WITHOUT_COLON; | |
| else if(PC.ls==LS_EXPRESSION_VAR_NAME_WITH_COLON) | |
| PC.ls=LS_EXPRESSION_VAR_NAME_WITHOUT_COLON; | |
| // ...stop before next ':' | |
| RC; | RC; |
| } | } |
| break; | break; |
| case LS_VAR_NAME_CURLY: | case LS_VAR_NAME_CURLY: |
| switch(c) { | switch(c) { |
| case '[': | |
| // ${name.<[>code]} | |
| push_LS(PC, LS_NAME_SQUARE_PART); | |
| lexical_brackets_nestage=1; | |
| RC; | |
| case '}': // ${name} finished, restoring LS | case '}': // ${name} finished, restoring LS |
| pop_LS(PC); | pop_LS(PC); |
| RC; | RC; |
| Line 951 static int yylex(YYSTYPE *lvalp, void *p | Line 1136 static int yylex(YYSTYPE *lvalp, void *p |
| case LS_VAR_SQUARE: | case LS_VAR_SQUARE: |
| switch(c) { | switch(c) { |
| case '$': | case '$': |
| push_LS(PC, LS_VAR_NAME_SIMPLE); | push_LS(PC, LS_VAR_NAME_SIMPLE_WITH_COLON); |
| RC; | RC; |
| case '^': | case '^': |
| push_LS(PC, LS_METHOD_NAME); | push_LS(PC, LS_METHOD_NAME); |
| Line 973 static int yylex(YYSTYPE *lvalp, void *p | Line 1158 static int yylex(YYSTYPE *lvalp, void *p |
| case LS_VAR_CURLY: | case LS_VAR_CURLY: |
| switch(c) { | switch(c) { |
| case '$': | case '$': |
| push_LS(PC, LS_VAR_NAME_SIMPLE); | push_LS(PC, LS_VAR_NAME_SIMPLE_WITH_COLON); |
| RC; | RC; |
| case '^': | case '^': |
| push_LS(PC, LS_METHOD_NAME); | push_LS(PC, LS_METHOD_NAME); |
| Line 994 static int yylex(YYSTYPE *lvalp, void *p | Line 1179 static int yylex(YYSTYPE *lvalp, void *p |
| case LS_METHOD_NAME: | case LS_METHOD_NAME: |
| switch(c) { | switch(c) { |
| case '[': | case '[': |
| // ^name.<[>code].xxx | |
| if(PC.col>1/*not first column*/ && ( | |
| end[-1]=='^'/*was start of call*/ || // never, ^[ is literal... | |
| end[-1]==':'/*was class name delim */ || | |
| end[-1]=='.'/*was name delim */ | |
| )) { | |
| push_LS(PC, LS_NAME_SQUARE_PART); | |
| lexical_brackets_nestage=1; | |
| RC; | |
| } | |
| PC.ls=LS_METHOD_SQUARE; | PC.ls=LS_METHOD_SQUARE; |
| lexical_brackets_nestage=1; | lexical_brackets_nestage=1; |
| RC; | RC; |
| Line 1008 static int yylex(YYSTYPE *lvalp, void *p | Line 1203 static int yylex(YYSTYPE *lvalp, void *p |
| case '.': // name part delim | case '.': // name part delim |
| case '$': // name part subvar | case '$': // name part subvar |
| case ':': // ':name' or 'class:name' | case ':': // ':name' or 'class:name' |
| case '^': // ^abc^xxx wrong. bailing out | |
| case ']': case '}': case ')': // ^abc]}) wrong. bailing out | |
| RC; | RC; |
| } | } |
| break; | break; |
| Line 1015 static int yylex(YYSTYPE *lvalp, void *p | Line 1212 static int yylex(YYSTYPE *lvalp, void *p |
| case LS_METHOD_SQUARE: | case LS_METHOD_SQUARE: |
| switch(c) { | switch(c) { |
| case '$': | case '$': |
| push_LS(PC, LS_VAR_NAME_SIMPLE); | push_LS(PC, LS_VAR_NAME_SIMPLE_WITH_COLON); |
| RC; | RC; |
| case '^': | case '^': |
| push_LS(PC, LS_METHOD_NAME); | push_LS(PC, LS_METHOD_NAME); |
| Line 1037 static int yylex(YYSTYPE *lvalp, void *p | Line 1234 static int yylex(YYSTYPE *lvalp, void *p |
| case LS_METHOD_CURLY: | case LS_METHOD_CURLY: |
| switch(c) { | switch(c) { |
| case '$': | case '$': |
| push_LS(PC, LS_VAR_NAME_SIMPLE); | push_LS(PC, LS_VAR_NAME_SIMPLE_WITH_COLON); |
| RC; | RC; |
| case '^': | case '^': |
| push_LS(PC, LS_METHOD_NAME); | push_LS(PC, LS_METHOD_NAME); |
| Line 1091 break2: | Line 1288 break2: |
| if(end!=begin && end[-1]=='\n') // allow one empty line before LS_DEF_NAME | if(end!=begin && end[-1]=='\n') // allow one empty line before LS_DEF_NAME |
| end--; | end--; |
| } | } |
| if(end!=begin && PC.ls!=LS_COMMENT) { // last piece still alive and not comment? | if(end!=begin && PC.ls!=LS_USER_COMMENT) { // last piece still alive and not comment? |
| // append it | // append it |
| PC.string->APPEND_CLEAN(begin, end-begin, PC.file, begin_line/*, start_col*/); | PC.string->APPEND_CLEAN(begin, end-begin, PC.file, begin_line/*, start_col*/); |
| } | } |
| } | } |
| if(PC.string->size()) { // something accumulated? | if(PC.string->size()) { // something accumulated? |
| // create STRING value: array of OP_VALUE+vstring | // create STRING value: array of OP_VALUE+vstring |
| *lvalp=VL(NEW VString(*PC.string)); | *lvalp=VL(ValuePtr(new VString(PC.string))); |
| // new pieces storage | // new pieces storage |
| PC.string=NEW String(POOL); | PC.string=StringPtr(new String); |
| // make current result be pending for next call, return STRING for now | // make current result be pending for next call, return STRING for now |
| PC.pending_state=result; result=STRING; | PC.pending_state=result; result=STRING; |
| } | } |
| Line 1117 static int real_yyerror(parse_control *p | Line 1314 static int real_yyerror(parse_control *p |
| static void yyprint(FILE *file, int type, YYSTYPE value) { | static void yyprint(FILE *file, int type, YYSTYPE value) { |
| if(type==STRING) | if(type==STRING) |
| fprintf(file, " \"%s\"", LA2S(value)->cstr()); | fprintf(file, " \"%s\"", LA2S(*value)->cstr()); |
| } | } |