--- parser3/src/main/compile.y 2001/02/22 14:45:27 1.21 +++ parser3/src/main/compile.y 2001/02/23 12:03:51 1.26 @@ -1,3 +1,7 @@ +/* + $Id: compile.y,v 1.26 2001/02/23 12:03:51 paf Exp $ +*/ + %{ #define YYSTYPE Array/**/ * #define YYPARSE_PARAM pc @@ -22,7 +26,9 @@ int yylex(YYSTYPE *lvalp, void *pc); // local convinient inplace typecast & var #define PC ((parse_control *)pc) -#define pool *PC->pool +#define POOL *PC->pool +#undef NEW +#define NEW new(POOL) %} %pure_parser @@ -35,11 +41,11 @@ int yylex(YYSTYPE *lvalp, void *pc); all: one_big_piece { - String& name_main=*new(pool) String(pool); + String& name_main=*NEW String(POOL); name_main.APPEND_CONST(MAIN_METHOD_NAME); - Array& param_names=*new(pool) Array(pool); - Array& local_names=*new(pool) Array(pool); - Method *method=new(pool) Method(pool, name_main, param_names, local_names, *$1); + Array& param_names=*NEW Array(POOL); + Array& local_names=*NEW Array(POOL); + Method *method=NEW Method(POOL, name_main, param_names, local_names, *$1); *PC->methods+=method; } | methods; @@ -52,16 +58,16 @@ method: '@' STRING bracketed_maybe_strin const String *name=LA2S($2); YYSTYPE params_names_code=$3; - Array& params_names=*new(pool) Array(pool); + Array& params_names=*NEW Array(POOL); for(int i=0; isize(); i+=2) params_names+=LA2S(params_names_code, i); YYSTYPE locals_names_code=$4; - Array& locals_names=*new(pool) Array(pool); + Array& locals_names=*NEW Array(POOL); for(int i=0; isize(); i+=2) locals_names+=LA2S(locals_names_code, i); - Method *method=new(pool) Method(pool, *name, params_names, locals_names, *$7); + Method *method=NEW Method(POOL, *name, params_names, locals_names, *$7); *PC->methods+=method; }; @@ -95,16 +101,22 @@ any_name: name_without_curly_rdive EON | name_in_curly_rdive: '{' name_without_curly_rdive '}' { $$=$2 }; name_without_curly_rdive: name_without_curly_rdive_read | name_without_curly_rdive_root; name_without_curly_rdive_read: name_without_curly_rdive_code { -/* - TODO: подсмотреть в $1, и если там первым элементом self, - то выкинуть его и делать не OP_WITH_READ, а WITH_SELF - */ - $$=N(pool); - OP($$, OP_WITH_READ); /* stack: starting context */ - P($$, $1); /* diving code; stack: current context */ + $$=N(POOL); + Array *diving_code=$1; + String *first_name=LA2S(diving_code); + if(first_name && *first_name==SELF_NAME) { + OP($$, OP_WITH_SELF); /* stack: starting context */ + P($$, diving_code, + /* skip over... */ + diving_code->size()>2?3/*OP_+string+get_element*/:2/*OP_+string*/); + } else { + OP($$, OP_WITH_READ); /* stack: starting context */ + P($$, diving_code); + } + /* diving code; stack: current context */ }; name_without_curly_rdive_root: ':' name_without_curly_rdive_code { - $$=N(pool); + $$=N(POOL); OP($$, OP_WITH_ROOT); /* stack: starting context */ P($$, $2); /* diving code; stack: current context */ }; @@ -115,7 +127,7 @@ name_without_curly_rdive_code: name_adva put: '$' name_expr_dive '(' constructor_value ')' { /* TODO: подсмотреть в $3, и если там первым элементом self, - то выкинуть его и делать не OP_WITH_OP_WRITE, а WITH_SELF + то выкинуть его и делать не WITH_WRITE, а WITH_SELF если ничего не осталось - $self(xxx) обругать */ @@ -125,12 +137,22 @@ put: '$' name_expr_dive '(' constructor_ }; name_expr_dive: name_expr_dive_write | name_expr_dive_root; name_expr_dive_write: name_expr_dive_code { - $$=N(pool); - OP($$, OP_WITH_WRITE); /* stack: starting context */ - P($$, $1); /* diving code; stack: context,name */ + $$=N(POOL); + Array *diving_code=$1; + String *first_name=LA2S(diving_code); + if(first_name && *first_name==SELF_NAME) { + OP($$, OP_WITH_SELF); /* stack: starting context */ + P($$, diving_code, + /* skip over... */ + diving_code->size()>2?3/*OP_+string+get_element*/:2/*OP_+string*/); + } else { + OP($$, OP_WITH_WRITE); /* stack: starting context */ + P($$, diving_code); + } + /* diving code; stack: current context */ }; name_expr_dive_root: ':' name_expr_dive_code { - $$=N(pool); + $$=N(POOL); OP($$, OP_WITH_ROOT); /* stack: starting context */ P($$, $2); /* diving code; stack: context,name */ }; @@ -140,12 +162,12 @@ constructor_value: | constructor_two_params_value /* $var(=;2*2) $var(%d;2*2) $var(+;1) */ ; constructor_one_param_value: - empty /* optimized $var() case */ + empty_value /* optimized $var() case */ | STRING /* optimized $var(STRING) case */ | complex_constructor_param_value /* $var(something complex) */ ; complex_constructor_param_value: complex_constructor_param_body { - $$=N(pool); + $$=N(POOL); OP($$, OP_CREATE_EWPOOL); /* stack: empty write context */ P($$, $1); /* some codes to that context */ OP($$, OP_REDUCE_EWPOOL); /* context=pop; stack: context.value() */ @@ -156,7 +178,7 @@ complex_constructor_param_body: ; constructor_two_params_value: STRING ';' constructor_one_param_value { char *operator_or_fmt=LA2S($1)->cstr(); - $$=N(pool); + $$=N(POOL); P($$, $1); /* stack: ncontext name operator_or_fmt */ P($$, $3); /* stack: ncontext name operator_or_fmt expr */ switch(operator_or_fmt[0]) { @@ -192,7 +214,7 @@ call: '^' name_expr_dive store_params EO иначе // ^result(value) обругать безобразие */ - $$=N(pool); + $$=N(POOL); OP($$, OP_WITH_READ); /* stack: starting context */ P($$, $2); /* diving code; stack: context,method_name */ OP($$, OP_GET_METHOD_FRAME); /* stack: context,method_frame */ @@ -209,7 +231,7 @@ store_param_part: constructor_one_param_ OP($$, OP_STORE_PARAM); } store_curly_param: '{' maybe_codes '}' { - $$=N(pool); + $$=N(POOL); OP($$, OP_CODE_ARRAY); AA($$, $2); OP($$, OP_CREATE_JUNCTION); @@ -244,7 +266,7 @@ name_expr_subvar_value: '$' subvar_ref_n OP($$, OP_GET_ELEMENT); }; name_expr_with_subvar_value: STRING subvar_get_writes { - $$=N(pool); + $$=N(POOL); OP($$, OP_CREATE_EWPOOL); P($$, $1); OP($$, OP_WRITE); @@ -253,12 +275,12 @@ name_expr_with_subvar_value: STRING subv }; subvar_ref_name_rdive: subvar_ref_name_rdive_read | subvar_ref_name_rdive_root; subvar_ref_name_rdive_read: STRING { - $$=N(pool); + $$=N(POOL); OP($$, OP_WITH_READ); P($$, $1); }; subvar_ref_name_rdive_root: ':' STRING { - $$=N(pool); + $$=N(POOL); OP($$, OP_WITH_ROOT); P($$, $2); }; @@ -301,7 +323,10 @@ write_str_literal: STRING { /* */ -empty: /* empty */ { $$=N(pool) }; +empty_value: empty { + $$=L(NEW VString(POOL)); +}; +empty: /* empty */ { $$=N(POOL) }; %% @@ -634,9 +659,9 @@ break2: // append last piece PC->string->APPEND(begin, end-begin, PC->file, begin_line/*, start_col*/); // create STRING value: array of OP_VALUE+vstring - *lvalp=L(new(pool) VString(PC->string)); + *lvalp=L(NEW VString(PC->string)); // new pieces storage - PC->string=new(pool) String(pool); + PC->string=NEW String(POOL); // go! return STRING; }