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| version 1.21, 2001/02/22 14:45:27 | version 1.105, 2001/03/19 16:44:01 |
|---|---|
| Line 1 | Line 1 |
| /** @file | |
| Parser | |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| $Id$ | |
| */ | |
| /* | |
| TODO.parser4: | |
| cache compiled code from request to request. to do that... | |
| 1: make method definitions, @CLASS, @BASE, @USE instructions, | |
| which would be executed afterwards, and actions | |
| now performed at compile time would be delayed to run time. | |
| 2: make cache expiration on time and on disk-change of class source | |
| 3: in apache use subpools for compiled class storage | |
| 4: in iis make up specialized Pool object for that | |
| */ | |
| %{ | %{ |
| #define YYSTYPE Array/*<op>*/ * | #define YYSTYPE Array/*<Operation>*/ * |
| #define YYPARSE_PARAM pc | #define YYPARSE_PARAM pc |
| #define YYLEX_PARAM pc | #define YYLEX_PARAM pc |
| #define YYDEBUG 1 | #define YYDEBUG 1 |
| Line 14 | Line 33 |
| #include "compile_tools.h" | #include "compile_tools.h" |
| #include "pa_value.h" | #include "pa_value.h" |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_vobject.h" | |
| #include "pa_vdouble.h" | |
| #include "pa_globals.h" | |
| #define SELF_ELEMENT_NAME "self" | |
| #define USE_CONTROL_METHOD_NAME "USE" | |
| int real_yyerror(parse_control *pc, char *s); | int real_yyerror(parse_control *pc, char *s); |
| static void yyprint(FILE *file, int type, YYSTYPE value); | static void yyprint(FILE *file, int type, YYSTYPE value); |
| Line 22 int yylex(YYSTYPE *lvalp, void *pc); | Line 47 int yylex(YYSTYPE *lvalp, void *pc); |
| // local convinient inplace typecast & var | // local convinient inplace typecast & var |
| #define PC ((parse_control *)pc) | #define PC ((parse_control *)pc) |
| #define pool *PC->pool | #define POOL *PC->pool |
| #undef NEW | |
| #define NEW new(POOL) | |
| #ifndef DOXYGEN_SHOULD_SKIP_THIS | |
| %} | %} |
| %pure_parser | %pure_parser |
| Line 31 int yylex(YYSTYPE *lvalp, void *pc); | Line 59 int yylex(YYSTYPE *lvalp, void *pc); |
| %token STRING | %token STRING |
| %token BOGUS | %token BOGUS |
| %% | %token BAD_STRING_COMPARISON_OPERATOR |
| %token LAND "&&" | |
| %token LOR "||" | |
| %token LXOR "##" | |
| %token NLE "<=" | |
| %token NGE ">=" | |
| %token NEQ "==" | |
| %token NNE "!=" | |
| %token SLT "lt" | |
| %token SGT "gt" | |
| %token SLE "le" | |
| %token SGE "ge" | |
| %token SEQ "eq" | |
| %token SNE "ne" | |
| %token DEF "def" | |
| %token IN "in" | |
| %token FEXISTS "-f" | |
| %token IS "is" | |
| /* logical */ | |
| %left "is" | |
| %left "lt" "gt" "le" "ge" | |
| %left "eq" "ne" | |
| %left '<' '>' "<=" ">=" "##" | |
| %left "==" "!=" | |
| %left "||" | |
| %left "&&" | |
| %left "def" "in" "-f" | |
| %left '!' | |
| /* bitwise */ | |
| %left '#' | |
| %left '&' '|' | |
| %left '~' | |
| /* numerical */ | |
| %left '-' '+' | |
| %left '*' '/' '%' | |
| %left NEG /* negation: unary - */ | |
| %% | |
| all: | all: |
| one_big_piece { | one_big_piece { |
| String& name_main=*new(pool) String(pool); | Method& method=*NEW Method(POOL, |
| name_main.APPEND_CONST(MAIN_METHOD_NAME); | *main_method_name, |
| Array& param_names=*new(pool) Array(pool); | 0, 0, /*min, max numbered_params_count*/ |
| Array& local_names=*new(pool) Array(pool); | 0/*param_names*/, 0/*local_names*/, |
| Method *method=new(pool) Method(pool, name_main, param_names, local_names, *$1); | $1/*parser_code*/, 0/*native_code*/); |
| *PC->methods+=method; | PC->cclass->add_method(*main_method_name, method); |
| } | } |
| | methods; | | methods; |
| methods: method | methods method; | methods: method | methods method; |
| one_big_piece: maybe_codes; | one_big_piece: maybe_codes; |
| method: '@' STRING bracketed_maybe_strings maybe_bracketed_strings maybe_comment '\n' | method: control_method | code_method; |
| control_method: '@' STRING '\n' | |
| control_strings { | |
| const String& command=*SLA2S($2); | |
| YYSTYPE strings_code=$4; | |
| if(strings_code->size()<1*2) { | |
| strcpy(PC->error, "@"); | |
| strcat(PC->error, command.cstr()); | |
| strcat(PC->error, " is empty"); | |
| YYERROR; | |
| } | |
| if(command==CLASS_NAME) { | |
| if(PC->cclass!=&PC->request->ROOT) { // already changed from default? | |
| strcpy(PC->error, "class already have a name '"); | |
| strncat(PC->error, PC->cclass->name().cstr(), 100); | |
| strcat(PC->error, "'"); | |
| YYERROR; | |
| } | |
| if(strings_code->size()==1*2) { | |
| // new class' name | |
| const String *name=SLA2S(strings_code); | |
| // creating the class | |
| PC->cclass=NEW VClass(POOL); | |
| PC->cclass->set_name(*name); | |
| // defaulting base. may change with @BASE | |
| PC->cclass->set_base(PC->request->ROOT); | |
| // append to request's classes | |
| PC->request->classes().put(*name, PC->cclass); | |
| } else { | |
| strcpy(PC->error, "@"CLASS_NAME" must contain sole name"); | |
| YYERROR; | |
| } | |
| } else { | |
| if(command==USE_CONTROL_METHOD_NAME) { | |
| for(int i=0; i<strings_code->size(); i+=2) { | |
| String file(*SLA2S(strings_code, i)); | |
| file.APPEND_CONST(".p"); | |
| PC->request->use_file(file.cstr()); | |
| } | |
| } else if(command==BASE_NAME) { | |
| if(PC->cclass->base()!=&PC->request->ROOT) { // already changed from default? | |
| strcpy(PC->error, "class already have a base '"); | |
| strncat(PC->error, PC->cclass->base()->name().cstr(), 100); | |
| strcat(PC->error, "'"); | |
| YYERROR; | |
| } | |
| if(strings_code->size()==1*2) { | |
| // TODO: преодолеть self и циклические base | |
| const String& base_name=*SLA2S(strings_code); | |
| VClass *base=static_cast<VClass *>( | |
| PC->request->classes().get(base_name)); | |
| if(!base) { | |
| strcpy(PC->error, base_name.cstr()); | |
| strcat(PC->error, ": undefined class in @"BASE_NAME); | |
| YYERROR; | |
| } | |
| PC->cclass->set_base(*base); | |
| } else { | |
| strcpy(PC->error, "@"BASE_NAME" must contain sole name"); | |
| YYERROR; | |
| } | |
| } else { | |
| strcpy(PC->error, "'"); | |
| strncat(PC->error, command.cstr(), MAX_STRING/2); | |
| strcat(PC->error, "' invalid special name. valid names are " | |
| "'"CLASS_NAME"', '"USE_CONTROL_METHOD_NAME"' and '"BASE_NAME"'"); | |
| YYERROR; | |
| } | |
| } | |
| }; | |
| control_strings: control_string | control_strings control_string { $$=$1; P($$, $2) }; | |
| control_string: maybe_string '\n'; | |
| maybe_string: empty | STRING; | |
| code_method: '@' STRING bracketed_maybe_strings maybe_bracketed_strings maybe_comment '\n' | |
| maybe_codes { | maybe_codes { |
| const String *name=LA2S($2); | const String *name=SLA2S($2); |
| YYSTYPE params_names_code=$3; | YYSTYPE params_names_code=$3; |
| Array& params_names=*new(pool) Array(pool); | Array *params_names=0; |
| for(int i=0; i<params_names_code->size(); i+=2) | if(int size=params_names_code->size()) { |
| params_names+=LA2S(params_names_code, i); | params_names=NEW Array(POOL); |
| for(int i=0; i<size; i+=2) | |
| *params_names+=SLA2S(params_names_code, i); | |
| } | |
| YYSTYPE locals_names_code=$4; | YYSTYPE locals_names_code=$4; |
| Array& locals_names=*new(pool) Array(pool); | Array *locals_names=0; |
| for(int i=0; i<locals_names_code->size(); i+=2) | if(int size=locals_names_code->size()) { |
| locals_names+=LA2S(locals_names_code, i); | locals_names=NEW Array(POOL); |
| for(int i=0; i<size; i+=2) | |
| *locals_names+=SLA2S(locals_names_code, i); | |
| } | |
| Method *method=new(pool) Method(pool, *name, params_names, locals_names, *$7); | Method& method=*NEW Method(POOL, |
| *PC->methods+=method; | *name, |
| 0, 0/*min,max numbered_params_count*/, | |
| params_names, locals_names, | |
| $7, 0); | |
| PC->cclass->add_method(*name, method); | |
| }; | }; |
| maybe_bracketed_strings: empty | bracketed_maybe_strings; | maybe_bracketed_strings: empty | bracketed_maybe_strings; |
| Line 76 maybe_comment: empty | STRING; | Line 232 maybe_comment: empty | STRING; |
| maybe_codes: empty | codes; | maybe_codes: empty | codes; |
| codes: code | codes code { | codes: code | codes code { $$=$1; P($$, $2) }; |
| $$=$1; | code: write_string | action; |
| P($$, $2); | |
| }; | |
| code: write_str_literal | action; | |
| action: get | put | with | call; | action: get | put | with | call; |
| /* get */ | /* get */ |
| get: '$' any_name { | get: get_value { |
| $$=$2; /* stack: resulting value */ | $$=$1; /* stack: resulting value */ |
| OP($$, OP_WRITE); /* value=pop; write(value) */ | O($$, OP_WRITE_VALUE); /* value=pop; wcontext.write(value) */ |
| }; | }; |
| get_value: '$' get_name_value { $$=$2 } | |
| any_name: name_without_curly_rdive EON | name_in_curly_rdive; | get_name_value: name_without_curly_rdive EON | name_in_curly_rdive; |
| name_in_curly_rdive: '{' name_without_curly_rdive '}' { $$=$2 }; | name_in_curly_rdive: '{' name_without_curly_rdive '}' { $$=$2 }; |
| name_without_curly_rdive: name_without_curly_rdive_read | name_without_curly_rdive_root; | name_without_curly_rdive: |
| name_without_curly_rdive_read | |
| | name_without_curly_rdive_root | |
| | name_without_curly_rdive_class; | |
| name_without_curly_rdive_read: name_without_curly_rdive_code { | name_without_curly_rdive_read: name_without_curly_rdive_code { |
| /* | $$=N(POOL); |
| TODO: подсмотреть в $1, и если там первым элементом self, | Array *diving_code=$1; |
| то выкинуть его и делать не OP_WITH_READ, а WITH_SELF | const String *first_name=SLA2S(diving_code); |
| */ | if(first_name && *first_name==SELF_ELEMENT_NAME) { |
| $$=N(pool); | O($$, OP_WITH_SELF); /* stack: starting context */ |
| OP($$, OP_WITH_READ); /* stack: starting context */ | P($$, diving_code, |
| P($$, $1); /* diving code; stack: current context */ | /* skip over... */ |
| diving_code->size()>2?3/*OP_+string+get_element*/:2/*OP_+string*/); | |
| } else { | |
| O($$, OP_WITH_READ); /* stack: starting context */ | |
| P($$, diving_code); | |
| } | |
| /* diving code; stack: current context */ | |
| }; | }; |
| name_without_curly_rdive_root: ':' name_without_curly_rdive_code { | name_without_curly_rdive_root: ':' name_without_curly_rdive_code { |
| $$=N(pool); | $$=N(POOL); |
| OP($$, OP_WITH_ROOT); /* stack: starting context */ | O($$, OP_WITH_ROOT); /* stack: starting context */ |
| P($$, $2); /* diving code; stack: current 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($$, $2) }; | name_without_curly_rdive_code: name_advance2 | name_path name_advance2 { $$=$1; P($$, $2) }; |
| /* put */ | /* put */ |
| put: '$' name_expr_dive '(' constructor_value ')' { | put: '$' name_expr_wdive construct { |
| /* | |
| TODO: подсмотреть в $3, и если там первым элементом self, | |
| то выкинуть его и делать не OP_WITH_OP_WRITE, а WITH_SELF | |
| если ничего не осталось - $self(xxx) | |
| обругать | |
| */ | |
| $$=$2; /* stack: context,name */ | $$=$2; /* stack: context,name */ |
| P($$, $4); /* stack: context,name,constructor_value */ | P($$, $3); /* stack: context,name,constructor_value */ |
| OP($$, OP_CONSTRUCT); /* value=pop; name=pop; context=pop; construct(context,name,value) */ | }; |
| name_expr_wdive: | |
| name_expr_wdive_write | |
| | name_expr_wdive_root | |
| | name_expr_wdive_class; | |
| name_expr_wdive_write: name_expr_dive_code { | |
| $$=N(POOL); | |
| Array *diving_code=$1; | |
| const String *first_name=SLA2S(diving_code); | |
| if(first_name && *first_name==SELF_ELEMENT_NAME) { | |
| O($$, OP_WITH_SELF); /* stack: starting context */ | |
| P($$, diving_code, | |
| /* skip over... */ | |
| diving_code->size()>2?3/*OP_+string+get_element*/:2/*OP_+string*/); | |
| } else { | |
| O($$, OP_WITH_WRITE); /* stack: starting context */ | |
| P($$, diving_code); | |
| } | |
| /* diving code; stack: current context */ | |
| }; | }; |
| name_expr_dive: name_expr_dive_write | name_expr_dive_root; | name_expr_wdive_root: ':' name_expr_dive_code { |
| name_expr_dive_write: name_expr_dive_code { | $$=N(POOL); |
| $$=N(pool); | O($$, OP_WITH_ROOT); /* stack: starting context */ |
| OP($$, OP_WITH_WRITE); /* stack: starting context */ | |
| P($$, $1); /* diving code; stack: context,name */ | |
| }; | |
| name_expr_dive_root: ':' name_expr_dive_code { | |
| $$=N(pool); | |
| OP($$, OP_WITH_ROOT); /* 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) }; | |
| constructor_value: | construct: construct_by_code | construct_by_expr; |
| constructor_one_param_value | construct_by_code: '[' any_constructor_code_value ']' { |
| | constructor_two_params_value /* $var(=;2*2) $var(%d;2*2) $var(+;1) */ | $$=$2; /* stack: context, name, value */ |
| ; | O($$, OP_CONSTRUCT_VALUE); /* value=pop; name=pop; context=pop; construct(context,name,value) */ |
| constructor_one_param_value: | } |
| empty /* optimized $var() case */ | ; |
| | STRING /* optimized $var(STRING) case */ | construct_by_expr: '(' expr_value ')' { |
| | complex_constructor_param_value /* $var(something complex) */ | $$=$2; /* stack: context, name, value */ |
| ; | O($$, OP_CONSTRUCT_EXPR); /* value=pop; name=pop; context=pop; construct(context,name,value) */ |
| complex_constructor_param_value: complex_constructor_param_body { | } |
| $$=N(pool); | ; |
| OP($$, OP_CREATE_EWPOOL); /* stack: empty write context */ | any_constructor_code_value: |
| P($$, $1); /* some codes to that context */ | empty_string_value /* optimized $var[] case */ |
| OP($$, OP_REDUCE_EWPOOL); /* context=pop; stack: context.value() */ | | STRING /* optimized $var[STRING] case */ |
| }; | | constructor_code_value /* $var[something complex] */ |
| complex_constructor_param_body: | ; |
| codes__excluding_sole_str_literal | constructor_code_value: constructor_code { |
| | codes__str__followed_by__excluding_sole_str_literal | $$=N(POOL); |
| ; | O($$, OP_CREATE_EWPOOL); /* stack: empty write context */ |
| constructor_two_params_value: STRING ';' constructor_one_param_value { | P($$, $1); /* some code that writes to that context */ |
| char *operator_or_fmt=LA2S($1)->cstr(); | O($$, OP_REDUCE_EWPOOL); /* context=pop; stack: context.value() */ |
| $$=N(pool); | |
| P($$, $1); /* stack: ncontext name operator_or_fmt */ | |
| P($$, $3); /* stack: ncontext name operator_or_fmt expr */ | |
| switch(operator_or_fmt[0]) { | |
| case '=': case '%': | |
| OP($$, OP_EXPRESSION_EVAL); | |
| break; | |
| case '+': case '-': case '*': case '/': | |
| OP($$, OP_MODIFY_EVAL); | |
| break; | |
| default: | |
| strcpy(PC->error, "invalid modification operator"); | |
| YYERROR; | |
| } | |
| /* stack: ncontext name value */ | |
| }; | }; |
| constructor_code: codes__excluding_sole_str_literal; | |
| codes__excluding_sole_str_literal: action | code codes { $$=$1; P($$, $2) }; | |
| /* call */ | /* call */ |
| call: '^' name_expr_dive store_params EON { /* ^field.$method{vasya} */ | call: call_value { |
| /* | $$=$1; /* stack: value */ |
| TODO: подсмотреть в $3, и если там в первом элементе первая буква ":" | O($$, OP_WRITE_VALUE); /* value=pop; wcontext.write(value) */ |
| то выкинуть её и делать не OP_WITH_READ, а WITH_ROOT | }; |
| TODO: подсмотреть в $3, и если там первым элементом self, | call_value: '^' call_name store_params EON { /* ^field.$method{vasya} */ |
| то выкинуть его и делать не OP_WITH_READ, а WITH_SELF | $$=$2; /* with_xxx,diving code; stack: context,method_junction */ |
| TODO: | O($$, OP_GET_METHOD_FRAME); /* stack: context,method_frame */ |
| если первым в $3 идёт result | |
| то | |
| выкинуть его | |
| если там ещё что-то осталось, | |
| то | |
| не OP_WITH_READ, а WITH_RESULT | |
| иначе // ^result(value) | |
| обругать безобразие | |
| */ | |
| $$=N(pool); | |
| OP($$, OP_WITH_READ); /* stack: starting context */ | |
| P($$, $2); /* diving code; stack: context,method_name */ | |
| OP($$, OP_GET_METHOD_FRAME); /* stack: context,method_frame */ | |
| P($$, $3); /* filling method_frame.store_params */ | P($$, $3); /* filling method_frame.store_params */ |
| OP($$, OP_CALL); /* method_frame=pop; ncontext=pop; call(ncontext,method_frame) */ | O($$, OP_CALL); /* method_frame=pop; ncontext=pop; call(ncontext,method_frame) stack: value */ |
| }; | }; |
| call_name: name_without_curly_rdive; | |
| store_params: store_param | store_params store_param { $$=$1; P($$, $2) }; | store_params: store_param | store_params store_param { $$=$1; P($$, $2) }; |
| store_param: store_round_param | store_curly_param; | store_param: |
| store_round_param: '(' store_param_parts ')' {$$=$2}; | store_square_param |
| store_param_parts: store_param_part | store_param_parts ';' store_param_part { $$=$1; P($$, $3) }; | | store_round_param |
| store_param_part: constructor_one_param_value { | | store_curly_param |
| ; | |
| store_square_param: '[' store_code_param_parts ']' {$$=$2}; | |
| store_round_param: '(' store_expr_param_parts ')' {$$=$2}; | |
| store_curly_param: '{' store_curly_param_parts '}' {$$=$2}; | |
| store_code_param_parts: | |
| store_code_param_part | |
| | store_code_param_parts ';' store_code_param_part { $$=$1; P($$, $3) } | |
| ; | |
| store_expr_param_parts: | |
| store_expr_param_part | |
| | store_expr_param_parts ';' store_expr_param_part { $$=$1; P($$, $3) } | |
| ; | |
| store_curly_param_parts: | |
| store_curly_param_part | |
| | store_curly_param_parts ';' store_curly_param_part { $$=$1; P($$, $3) } | |
| ; | |
| store_code_param_part: | |
| empty /* optimized [] case */ | |
| | STRING { /* optimized [STRING] case */ | |
| $$=$1; | |
| O($$, OP_STORE_PARAM); | |
| } | |
| | constructor_code_value { /* [something complex] */ | |
| $$=$1; | $$=$1; |
| OP($$, OP_STORE_PARAM); | O($$, OP_STORE_PARAM); |
| } | } |
| store_curly_param: '{' maybe_codes '}' { | ; |
| $$=N(pool); | store_expr_param_part: write_expr_value { |
| OP($$, OP_CODE_ARRAY); | $$=N(POOL); |
| AA($$, $2); | PEA($$, $1); |
| OP($$, OP_CREATE_JUNCTION); | }; |
| OP($$, OP_STORE_PARAM); | store_curly_param_part: maybe_codes { |
| $$=N(POOL); | |
| PCA($$, $1); | |
| }; | |
| write_expr_value: expr_value { | |
| $$=$1; | |
| O($$, OP_WRITE_EXPR_RESULT); | |
| }; | }; |
| /* name */ | /* name */ |
| Line 225 name_step: name_advance1 '.'; | Line 398 name_step: name_advance1 '.'; |
| name_advance1: name_expr_value { | name_advance1: name_expr_value { |
| /* stack: context */ | /* stack: context */ |
| $$=$1; /* stack: context,name */ | $$=$1; /* stack: context,name */ |
| OP($$, OP_GET_ELEMENT); /* name=pop; context=pop; stack: context.get_element(name) */ | O($$, 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 */ |
| OP($$, OP_GET_ELEMENT); /* name=pop; context=pop; stack: context.get_element(name) */ | O($$, OP_GET_ELEMENT); /* name=pop; context=pop; stack: context.get_element(name) */ |
| } | } |
| | STRING BOGUS | | STRING BOGUS |
| ; | ; |
| Line 241 name_expr_value: | Line 414 name_expr_value: |
| ; | ; |
| name_expr_subvar_value: '$' subvar_ref_name_rdive { | name_expr_subvar_value: '$' subvar_ref_name_rdive { |
| $$=$2; | $$=$2; |
| OP($$, OP_GET_ELEMENT); | O($$, OP_GET_ELEMENT); |
| }; | }; |
| name_expr_with_subvar_value: STRING subvar_get_writes { | name_expr_with_subvar_value: STRING subvar_get_writes { |
| $$=N(pool); | $$=N(POOL); |
| OP($$, OP_CREATE_EWPOOL); | O($$, OP_CREATE_EWPOOL); |
| P($$, $1); | P($$, $1); |
| OP($$, OP_WRITE); | O($$, OP_WRITE_VALUE); |
| P($$, $2); | P($$, $2); |
| OP($$, OP_REDUCE_EWPOOL); | O($$, OP_REDUCE_EWPOOL); |
| }; | }; |
| subvar_ref_name_rdive: subvar_ref_name_rdive_read | subvar_ref_name_rdive_root; | subvar_ref_name_rdive: subvar_ref_name_rdive_read | subvar_ref_name_rdive_root; |
| subvar_ref_name_rdive_read: STRING { | subvar_ref_name_rdive_read: STRING { |
| $$=N(pool); | $$=N(POOL); |
| OP($$, OP_WITH_READ); | O($$, OP_WITH_READ); |
| P($$, $1); | P($$, $1); |
| }; | }; |
| subvar_ref_name_rdive_root: ':' STRING { | subvar_ref_name_rdive_root: ':' STRING { |
| $$=N(pool); | $$=N(POOL); |
| OP($$, OP_WITH_ROOT); | O($$, OP_WITH_ROOT); |
| P($$, $2); | P($$, $2); |
| }; | }; |
| subvar_get_writes: subvar__get_write | subvar_get_writes subvar__get_write { $$=$1; P($$, $2) }; | 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; |
| OP($$, OP_GET_ELEMENT__WRITE); | O($$, OP_GET_ELEMENT__WRITE); |
| }; | |
| class_prefix: STRING ':' { | |
| $$=$1; // stack: class name string | |
| O($$, OP_GET_CLASS); | |
| }; | }; |
| Line 273 subvar__get_write: '$' subvar_ref_name_r | Line 451 subvar__get_write: '$' subvar_ref_name_r |
| with: '$' name_without_curly_rdive '{' codes '}' { | with: '$' name_without_curly_rdive '{' codes '}' { |
| $$=$2; | $$=$2; |
| OP($$, OP_CREATE_RWPOOL); | O($$, OP_CREATE_RWPOOL); |
| P($$, $4); | P($$, $4); |
| OP($$, OP_REDUCE_RWPOOL); | O($$, OP_REDUCE_RWPOOL); |
| OP($$, OP_WRITE); | O($$, OP_WRITE_VALUE); |
| }; | }; |
| /* codes_in_brackets */ | /* expr */ |
| codes__str__followed_by__excluding_sole_str_literal: | expr_value: expr { |
| write_str_literal codes__excluding_sole_str_literal { | if(($$=$1)->size()==2) // only one string literal in there? |
| $$=$1; | change_string_literal_to_double_literal($$); // make that string literal Double |
| P($$, $2); | }; |
| } | expr: |
| ; | STRING |
| codes__excluding_sole_str_literal: | | get_value |
| action | | call_value |
| | codes__excluding_sole_str_literal write_str_literal { | | '"' string_inside_quotes_value '"' { $$ = $2; } |
| $$=$1; | | '(' expr ')' { $$ = $2; } |
| P($$, $2); | /* stack: operand // stack: @operand */ |
| } | | '-' expr %prec NEG { $$=$2; O($$, OP_NEG) } |
| | '~' expr { $$=$2; O($$, OP_INV) } | |
| | '!' expr { $$=$2; O($$, OP_NOT) } | |
| | "def" expr { $$=$2; O($$, OP_DEF) } | |
| | "in" expr { $$=$2; O($$, OP_IN) } | |
| | "-f" expr { $$=$2; O($$, OP_FEXISTS) } | |
| /* stack: a,b // stack: a@b */ | |
| | expr '-' expr { $$=$1; P($$, $3); O($$, OP_SUB) } | |
| | expr '+' expr { $$=$1; P($$, $3); O($$, OP_ADD) } | |
| | expr '*' expr { $$=$1; P($$, $3); O($$, OP_MUL) } | |
| | expr '/' expr { $$=$1; P($$, $3); O($$, OP_DIV) } | |
| | expr '%' expr { $$=$1; P($$, $3); O($$, OP_MOD) } | |
| | expr '&' expr { $$=$1; P($$, $3); O($$, OP_BIN_AND) } | |
| | expr '|' expr { $$=$1; P($$, $3); O($$, OP_BIN_OR) } | |
| | expr '#' expr { $$=$1; P($$, $3); O($$, OP_BIN_XOR) } | |
| | expr "&&" expr { $$=$1; P($$, $3); O($$, OP_LOG_AND) } | |
| | expr "||" expr { $$=$1; P($$, $3); O($$, OP_LOG_OR) } | |
| | expr "##" expr { $$=$1; P($$, $3); O($$, OP_LOG_XOR) } | |
| | expr '<' expr { $$=$1; P($$, $3); O($$, OP_NUM_LT) } | |
| | expr '>' expr { $$=$1; P($$, $3); O($$, OP_NUM_GT) } | |
| | expr "<=" expr { $$=$1; P($$, $3); O($$, OP_NUM_LE) } | |
| | expr ">=" expr { $$=$1; P($$, $3); O($$, OP_NUM_GE) } | |
| | expr "==" expr { $$=$1; P($$, $3); O($$, OP_NUM_EQ) } | |
| | expr "!=" expr { $$=$1; P($$, $3); O($$, OP_NUM_NE) } | |
| | expr "lt" expr { $$=$1; P($$, $3); O($$, OP_STR_LT) } | |
| | expr "gt" expr { $$=$1; P($$, $3); O($$, OP_STR_GT) } | |
| | expr "le" expr { $$=$1; P($$, $3); O($$, OP_STR_LE) } | |
| | 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) } | |
| ; | ; |
| write_str_literal: STRING { | |
| $$=$1; | string_inside_quotes_value: maybe_codes { |
| OP($$, OP_WRITE); | $$=N(POOL); |
| O($$, OP_CREATE_SWPOOL); /* stack: empty write context */ | |
| P($$, $1); /* some code that writes to that context */ | |
| O($$, OP_REDUCE_SWPOOL); /* context=pop; stack: context.get_string() */ | |
| }; | }; |
| /* */ | /* basics */ |
| empty: /* empty */ { $$=N(pool) }; | write_string: STRING { |
| // optimized from OP_STRING+OP_WRITE_VALUE to OP_STRING__WRITE | |
| change_string_literal_to_write_string_literal($$=$1) | |
| }; | |
| empty_string_value: /* empty */ { $$=VL(NEW VString(POOL)) }; | |
| empty: /* empty */ { $$=N(POOL) }; | |
| %% | %% |
| #endif | |
| /* | /* |
| 000$111(2222)00 | 000$111(2222)00 |
| Line 323 empty: /* empty */ { $$=N(pool) }; | Line 541 empty: /* empty */ { $$=N(pool) }; |
| int yylex(YYSTYPE *lvalp, void *pc) { | int yylex(YYSTYPE *lvalp, void *pc) { |
| #define lexical_brackets_nestage PC->brackets_nestages[PC->sp] | #define lexical_brackets_nestage PC->brackets_nestages[PC->sp] |
| #define RC {result=c; goto break2; } | |
| register int c; | register int c; |
| int result; | int result; |
| Line 333 int yylex(YYSTYPE *lvalp, void *pc) { | Line 552 int yylex(YYSTYPE *lvalp, void *pc) { |
| return result; | return result; |
| } | } |
| char *begin=PC->source; | const char *begin=PC->source; |
| char *end; | const char *end; |
| int begin_line=PC->line; | int begin_line=PC->line; |
| while(1) { | int skip_analized=0; |
| while(true) { | |
| c=*(end=(PC->source++)); | c=*(end=(PC->source++)); |
| if(c=='\n') { | if(c=='\n') { |
| Line 345 int yylex(YYSTYPE *lvalp, void *pc) { | Line 565 int yylex(YYSTYPE *lvalp, void *pc) { |
| } else | } else |
| PC->col++; | PC->col++; |
| /* escaping: ^^ ^$ ^; ^) ^} ^( ^{ */ | // todo: # in 0+1 column comment |
| if(c=='^') { | |
| char pending_c=*PC->source; | // escaping: ^^ ^$ ^; ^) ^} ^( ^{ ^" |
| if(c=='^') | |
| if(pending_c=='^' || pending_c=='$' || pending_c==';' || | switch(*PC->source) { |
| pending_c=='(' || pending_c==')' || | case '^': case '$': case ';': |
| pending_c=='{' || pending_c=='}') { | case '[': case ']': |
| /* append piece till ^ */ | case '{': case '}': |
| PC->string->APPEND(begin, end-begin, PC->file, begin_line); | case '"': |
| /* reset piece 'start' position & line */ | if(end!=begin) { |
| begin=PC->source/*^*/; | // append piece till ^ |
| PC->string->APPEND(begin, end-begin, PC->file, begin_line); | |
| } | |
| // reset piece 'begin' position & line | |
| begin=PC->source; // ^ | |
| begin_line=PC->line; | begin_line=PC->line; |
| /* skip over ^ and _ */ | // skip over ^ and _ |
| PC->source+=2; | PC->source++; PC->col++; |
| /* skip analysis = forced literal */ | // skip analysis = forced literal |
| continue; | continue; |
| } | } |
| } | |
| switch(PC->ls) { | switch(PC->ls) { |
| // USER'S = NOT OURS | // USER'S = NOT OURS |
| case LS_USER: | case LS_USER: |
| if(c=='$') { | switch(c) { |
| case '$': | |
| push_LS(PC, LS_VAR_NAME_SIMPLE); | push_LS(PC, LS_VAR_NAME_SIMPLE); |
| result=c; | RC; |
| goto break2; | case '^': |
| } | |
| if(c=='^') { | |
| push_LS(PC, LS_METHOD_NAME); | push_LS(PC, LS_METHOD_NAME); |
| result=c; | RC; |
| goto break2; | case '@': |
| } | if(PC->col==0+1) { |
| if(c=='@' && PC->col==0+1) { | push_LS(PC, LS_DEF_NAME); |
| result=c; | RC; |
| push_LS(PC, LS_DEF_NAME); | } |
| goto break2; | break; |
| } | } |
| break; | |
| // STRING IN EXPRESSION | |
| case LS_EXPRESSION_STRING: | |
| switch(c) { | |
| case '"': | |
| pop_LS(PC); //"abc". | |
| RC; | |
| case '$': | |
| push_LS(PC, LS_VAR_NAME_SIMPLE); | |
| RC; | |
| case '^': | |
| push_LS(PC, LS_METHOD_NAME); | |
| RC; | |
| } | |
| break; | break; |
| // METHOD DEFINITION | // METHOD DEFINITION |
| case LS_DEF_NAME: | case LS_DEF_NAME: |
| if(c=='[') { | switch(c) { |
| result=c; | case '[': |
| PC->ls=LS_DEF_PARAMS; | PC->ls=LS_DEF_PARAMS; |
| goto break2; | RC; |
| } | case '\n': |
| if(c=='\n') { // wrong. bailing out | PC->ls=LS_DEF_SPECIAL_BODY; |
| result=c; | RC; |
| pop_LS(PC); | |
| goto break2; | |
| } | } |
| break; | break; |
| case LS_DEF_PARAMS: | case LS_DEF_PARAMS: |
| if(c==';') { | switch(c) { |
| result=c; | case ';': |
| goto break2; | RC; |
| } | case ']': |
| if(c==']') { | |
| result=c; | |
| PC->ls=*PC->source=='['?LS_DEF_LOCALS:LS_DEF_COMMENT; | PC->ls=*PC->source=='['?LS_DEF_LOCALS:LS_DEF_COMMENT; |
| goto break2; | RC; |
| } | case '\n': // wrong. bailing out |
| if(c=='\n') { // wrong. bailing out | |
| result=c; | |
| pop_LS(PC); | pop_LS(PC); |
| goto break2; | RC; |
| } | } |
| break; | break; |
| case LS_DEF_LOCALS: | case LS_DEF_LOCALS: |
| if(c=='[' || c==';') { | switch(c) { |
| result=c; | case '[': |
| goto break2; | case ';': |
| } | RC; |
| if(c==']') { | case ']': |
| result=c; | |
| PC->ls=LS_DEF_COMMENT; | PC->ls=LS_DEF_COMMENT; |
| goto break2; | RC; |
| } | case '\n': // wrong. bailing out |
| if(c=='\n') { // wrong. bailing out | |
| result=c; | |
| pop_LS(PC); | pop_LS(PC); |
| goto break2; | RC; |
| } | } |
| break; | break; |
| case LS_DEF_COMMENT: | case LS_DEF_COMMENT: |
| if(c=='\n') { | if(c=='\n') { |
| result=c; | |
| pop_LS(PC); | pop_LS(PC); |
| RC; | |
| } | |
| break; | |
| case LS_DEF_SPECIAL_BODY: | |
| if(c=='\n') { | |
| switch(*PC->source) { | |
| case '@': case 0: // end of special_code | |
| pop_LS(PC); | |
| break; | |
| } | |
| RC; | |
| } | |
| break; | |
| // (EXPRESSION) | |
| case LS_VAR_ROUND: | |
| case LS_METHOD_ROUND: | |
| switch(c) { | |
| case ')': | |
| if(--lexical_brackets_nestage==0) | |
| if(PC->ls==LS_METHOD_ROUND) // method round param ended | |
| PC->ls=LS_METHOD_AFTER; // look for method end | |
| else // PC->ls==LS_VAR_ROUND // variable constructor ended | |
| pop_LS(PC); // return to normal life | |
| RC; | |
| case '$': | |
| push_LS(PC, LS_EXPRESSION_VAR_NAME); | |
| RC; | |
| case '^': | |
| push_LS(PC, LS_METHOD_NAME); | |
| RC; | |
| case '(': | |
| lexical_brackets_nestage++; | |
| RC; | |
| case '-': | |
| if(*PC->source=='f') { // -f | |
| skip_analized=1; | |
| result=FEXISTS; | |
| } else | |
| result=c; | |
| goto break2; | |
| case '+': case '*': case '/': case '%': | |
| case '~': | |
| case ';': | |
| RC; | |
| case '&': case '|': case '#': | |
| if(*PC->source==c) { // && || | |
| result=c=='#'?LXOR:c=='&'?LAND:LOR; | |
| skip_analized=1; | |
| } else | |
| result=c; | |
| goto break2; | goto break2; |
| case '<': case '>': case '=': case '!': | |
| if(*PC->source=='=') { // <= >= == != | |
| skip_analized=1; | |
| switch(c) { | |
| case '<': result=NLE; break; | |
| case '>': result=NGE; break; | |
| case '=': result=NEQ; break; | |
| case '!': result=NNE; break; | |
| } | |
| } else | |
| result=c; | |
| goto break2; | |
| case '"': | |
| push_LS(PC, LS_EXPRESSION_STRING); | |
| RC; | |
| case 'l': case 'g': case 'e': case 'n': | |
| if(end==begin) // right after whitespace | |
| switch(*PC->source) { | |
| // case '?': // ok [and bad cases, yacc would bark at them] | |
| case 't': // lt gt [et nt] | |
| result=c=='l'?SLT:c=='g'?SGT:BAD_STRING_COMPARISON_OPERATOR; | |
| skip_analized=1; | |
| goto break2; | |
| case 'e': // le ge ne [ee] | |
| result=c=='l'?SLE:c=='g'?SGE:c=='n'?SNE:BAD_STRING_COMPARISON_OPERATOR; | |
| skip_analized=1; | |
| goto break2; | |
| case 'q': // eq [lq gq nq] | |
| result=c=='e'?SEQ:BAD_STRING_COMPARISON_OPERATOR; | |
| skip_analized=1; | |
| goto break2; | |
| } | |
| break; | |
| case 'i': | |
| if(end==begin) // right after whitespace | |
| switch(PC->source[0]) { | |
| case 'n': | |
| { // in | |
| skip_analized=1; | |
| result=IN; | |
| goto break2; | |
| } | |
| case 's': | |
| { // is | |
| skip_analized=1; | |
| result=IS; | |
| goto break2; | |
| } | |
| } | |
| break; | |
| case 'd': | |
| if(end==begin) // right after whitespace | |
| if(PC->source[0]=='e' && PC->source[1]=='f') { // def | |
| skip_analized=2; | |
| result=DEF; | |
| goto break2; | |
| } | |
| break; | |
| case ' ': case '\t': case '\n': | |
| if(end!=begin) { // there were a string after previous operator? | |
| result=0; // return that string | |
| goto break2; | |
| } | |
| // that's a leading|traling space or after-operator-space | |
| // ignoring it | |
| // reset piece 'begin' position & line | |
| begin=PC->source; // after whitespace char | |
| begin_line=PC->line; | |
| continue; | |
| } | } |
| break; | break; |
| // VARIABLE GET/PUT/WITH | // VARIABLE GET/PUT/WITH |
| case LS_VAR_NAME_SIMPLE: | case LS_VAR_NAME_SIMPLE: |
| if(c==0 || | case LS_EXPRESSION_VAR_NAME: |
| c==' '|| c=='\t' || c=='\n' || | if(PC->ls==LS_EXPRESSION_VAR_NAME) { |
| c==')' || c=='}') { | // name in expr ends also before binary operators |
| switch(c) { | |
| case '-': | |
| pop_LS(PC); | |
| PC->source--; if(--PC->col<0) { PC->line--; PC->col=-1; } | |
| result=EON; | |
| goto break2; | |
| } | |
| } | |
| switch(c) { | |
| case 0: | |
| case ' ': case '\t': case '\n': | |
| case ';': | |
| case ']': case '}': case ')': case '"': | |
| case '<': case '>': // these stand for HTML brackets and expression binary ops | |
| case '+': case '*': case '/': case '%': | |
| case '&': case '|': | |
| case '=': case '!': | |
| // common delimiters | |
| case '\'': case ',': | |
| pop_LS(PC); | pop_LS(PC); |
| PC->source--; PC->col--; | PC->source--; if(--PC->col<0) { PC->line--; PC->col=-1; } |
| result=EON; | result=EON; |
| goto break2; | goto break2; |
| } | case '[': |
| if(begin==end && c=='{') { /* ${name}, no need of EON, switching LS */ | PC->ls=LS_VAR_SQUARE; |
| PC->ls=LS_VAR_NAME_CURLY; | |
| result=c; | |
| goto break2; | |
| } | |
| if(c==':') { | |
| result=c; | |
| goto break2; | |
| } | |
| if(c=='(') { | |
| PC->ls=LS_VAR_ROUND; | |
| lexical_brackets_nestage=1; | lexical_brackets_nestage=1; |
| result=c; | RC; |
| goto break2; | case '{': |
| } | if(begin==end) { // ${name}, no need of EON, switching LS |
| if(c=='{') { | PC->ls=LS_VAR_NAME_CURLY; |
| PC->ls=LS_VAR_CURLY; | } else { |
| PC->ls=LS_VAR_CURLY; | |
| lexical_brackets_nestage=1; | |
| } | |
| RC; | |
| case '(': | |
| PC->ls=LS_VAR_ROUND; | |
| lexical_brackets_nestage=1; | lexical_brackets_nestage=1; |
| result=c; | RC; |
| goto break2; | case '.': // name part delim |
| } | case '$': // name part subvar |
| if(c=='.'/* name part delim */ || c=='$'/* name part subvar */) { | case ':': // ':name' or 'class:name' |
| result=c; | RC; |
| goto break2; | |
| } | } |
| break; | break; |
| case LS_VAR_NAME_CURLY: | case LS_VAR_NAME_CURLY: |
| if(c==':') { | switch(c) { |
| result=c; | case '}': // ${name} finished, restoring LS |
| goto break2; | |
| } | |
| if(c=='}') { /* ${name} finished, restoring LS */ | |
| pop_LS(PC); | pop_LS(PC); |
| result=c; | RC; |
| goto break2; | case '.': // name part delim |
| } | case '$': // name part subvar |
| if(c=='.'/* name part delim */ || c=='$'/*name part subvar*/) { | case ':': // ':name' or 'class:name' |
| result=c; | RC; |
| goto break2; | |
| } | } |
| break; | break; |
| case LS_VAR_ROUND: | |
| if(c=='$') { | case LS_VAR_SQUARE: |
| switch(c) { | |
| case '$': | |
| push_LS(PC, LS_VAR_NAME_SIMPLE); | push_LS(PC, LS_VAR_NAME_SIMPLE); |
| result=c; | RC; |
| goto break2; | case '^': |
| } | |
| if(c=='^') { | |
| push_LS(PC, LS_METHOD_NAME); | push_LS(PC, LS_METHOD_NAME); |
| result=c; | RC; |
| goto break2; | case ']': |
| } | |
| if(c==')') { | |
| if(--lexical_brackets_nestage==0) { | if(--lexical_brackets_nestage==0) { |
| pop_LS(PC); | pop_LS(PC); |
| result=c; | RC; |
| goto break2; | |
| } | } |
| } | break; |
| if(c==';'/* operator_or_fmt;value delim */) { | case ';': // operator_or_fmt;value delim |
| result=c; | RC; |
| goto break2; | case '[': |
| } | |
| if(c=='(') | |
| lexical_brackets_nestage++; | lexical_brackets_nestage++; |
| break; | |
| } | |
| break; | break; |
| case LS_VAR_CURLY: | case LS_VAR_CURLY: |
| if(c=='$') { | switch(c) { |
| case '$': | |
| push_LS(PC, LS_VAR_NAME_SIMPLE); | push_LS(PC, LS_VAR_NAME_SIMPLE); |
| result=c; | RC; |
| goto break2; | case '^': |
| } | |
| if(c=='^') { | |
| push_LS(PC, LS_METHOD_NAME); | push_LS(PC, LS_METHOD_NAME); |
| result=c; | RC; |
| goto break2; | case '}': |
| } | |
| if(c=='}') | |
| if(--lexical_brackets_nestage==0) { | if(--lexical_brackets_nestage==0) { |
| pop_LS(PC); | pop_LS(PC); |
| result=c; | RC; |
| goto break2; | |
| } | } |
| if(c=='{') | break; |
| case '{': | |
| lexical_brackets_nestage++; | lexical_brackets_nestage++; |
| break; | |
| } | |
| break; | break; |
| // METHOD CALL | // METHOD CALL |
| case LS_METHOD_NAME: | case LS_METHOD_NAME: |
| if(c=='(') { | switch(c) { |
| PC->ls=LS_METHOD_ROUND; | case '[': |
| PC->ls=LS_METHOD_SQUARE; | |
| lexical_brackets_nestage=1; | lexical_brackets_nestage=1; |
| result=c; | RC; |
| goto break2; | case '{': |
| } | |
| if(c=='{') { | |
| PC->ls=LS_METHOD_CURLY; | PC->ls=LS_METHOD_CURLY; |
| lexical_brackets_nestage=1; | lexical_brackets_nestage=1; |
| result=c; | RC; |
| goto break2; | case '(': |
| } | PC->ls=LS_METHOD_ROUND; |
| if(c=='.'/* name part delim */ || c=='$'/* name part subvar */) { | lexical_brackets_nestage=1; |
| result=c; | RC; |
| goto break2; | case '.': // name part delim |
| case '$': // name part subvar | |
| case ':': // ':name' or 'class:name' | |
| RC; | |
| } | } |
| break; | break; |
| case LS_METHOD_ROUND: | |
| if(c=='$') { | case LS_METHOD_SQUARE: |
| switch(c) { | |
| case '$': | |
| push_LS(PC, LS_VAR_NAME_SIMPLE); | push_LS(PC, LS_VAR_NAME_SIMPLE); |
| result=c; | RC; |
| goto break2; | case '^': |
| } | |
| if(c=='^') { | |
| push_LS(PC, LS_METHOD_NAME); | push_LS(PC, LS_METHOD_NAME); |
| result=c; | RC; |
| goto break2; | case ';': // param delim |
| } | RC; |
| if(c==';'/* param delim */) { | case ']': |
| result=c; | |
| goto break2; | |
| } | |
| if(c==')') | |
| if(--lexical_brackets_nestage==0) { | if(--lexical_brackets_nestage==0) { |
| PC->ls=LS_METHOD_AFTER; | PC->ls=LS_METHOD_AFTER; |
| result=c; | RC; |
| goto break2; | |
| } | } |
| if(c=='(') | break; |
| case '[': | |
| lexical_brackets_nestage++; | lexical_brackets_nestage++; |
| break; | |
| } | |
| break; | break; |
| case LS_METHOD_CURLY: | case LS_METHOD_CURLY: |
| if(c=='$') { | switch(c) { |
| case '$': | |
| push_LS(PC, LS_VAR_NAME_SIMPLE); | push_LS(PC, LS_VAR_NAME_SIMPLE); |
| result=c; | RC; |
| goto break2; | case '^': |
| } | |
| if(c=='^') { | |
| push_LS(PC, LS_METHOD_NAME); | push_LS(PC, LS_METHOD_NAME); |
| result=c; | RC; |
| goto break2; | case ';': // param delim |
| } | RC; |
| if(c=='}') | case '}': |
| if(--lexical_brackets_nestage==0) { | if(--lexical_brackets_nestage==0) { |
| PC->ls=LS_METHOD_AFTER; | PC->ls=LS_METHOD_AFTER; |
| result=c; | RC; |
| goto break2; | |
| } | } |
| if(c=='{') | break; |
| case '{': | |
| lexical_brackets_nestage++; | lexical_brackets_nestage++; |
| break; | |
| } | |
| break; | break; |
| case LS_METHOD_AFTER: | case LS_METHOD_AFTER: |
| if(c=='(') {/* )( }( */ | if(c=='[') {/* ][ }[ )[ */ |
| PC->ls=LS_METHOD_ROUND; | PC->ls=LS_METHOD_SQUARE; |
| lexical_brackets_nestage=1; | lexical_brackets_nestage=1; |
| result=c; | RC; |
| goto break2; | |
| } | } |
| if(c=='{') {/* ){ }{ */ | if(c=='{') {/* ]{ }{ ){ */ |
| PC->ls=LS_METHOD_CURLY; | PC->ls=LS_METHOD_CURLY; |
| lexical_brackets_nestage=1; | lexical_brackets_nestage=1; |
| result=c; | RC; |
| goto break2; | } |
| if(c=='(') {/* ]( }( )( */ | |
| PC->ls=LS_METHOD_ROUND; | |
| lexical_brackets_nestage=1; | |
| RC; | |
| } | } |
| pop_LS(PC); | pop_LS(PC); |
| PC->source--; PC->col--; | PC->source--; if(--PC->col<0) { PC->line--; PC->col=-1; } |
| result=EON; | result=EON; |
| goto break2; | goto break2; |
| } | } |
| if(c==0) { | if(c==0) { |
| result=-1; | result=-1; |
| // PC->source--; PC->col--; | |
| break; | break; |
| } | } |
| } | } |
| break2: | break2: |
| if(begin==end) | if(end!=begin) { // there is last piece? |
| return result; | if((c=='@' || c==0) && end[-1]=='\n') { // we are before LS_DEF_NAME or EOF? |
| else { | // strip last \n |
| PC->pending_state=result; | |
| // strip last \n before LS_DEF_NAME or EOF | |
| if((c=='@' || c==0) && end[-1]=='\n') | |
| end--; | end--; |
| // append last piece | } |
| PC->string->APPEND(begin, end-begin, PC->file, begin_line/*, start_col*/); | if(end!=begin) { // last piece still alive? |
| // append it | |
| PC->string->APPEND(begin, end-begin, PC->file, begin_line/*, start_col*/); | |
| } | |
| } | |
| if(PC->string->size()) { // something accumulated? | |
| // create STRING value: array of OP_VALUE+vstring | // create STRING value: array of OP_VALUE+vstring |
| *lvalp=L(new(pool) VString(PC->string)); | *lvalp=VL(NEW VString(*PC->string)); |
| // new pieces storage | // new pieces storage |
| PC->string=new(pool) String(pool); | PC->string=NEW String(POOL); |
| // go! | // make current result be pending for next call, return STRING for now |
| return STRING; | PC->pending_state=result; result=STRING; |
| } | |
| if(skip_analized) { | |
| PC->source+=skip_analized; PC->col+=skip_analized; | |
| } | } |
| return result; | |
| } | } |
| int real_yyerror(parse_control *pc, char *s) /* Called by yyparse on error */ | int real_yyerror(parse_control *pc, char *s) /* Called by yyparse on error */ |
| { | { |
| //fprintf(stderr, "[%s]\n", s); | strncpy(pc->error, s, MAX_STRING); // TODO: перепроверить с треклятым последним байтом |
| s[MAX_STRING-1]=0; strcpy(pc->error, s); | |
| return 1; | return 1; |
| } | } |
| Line 657 static void | Line 1025 static void |
| YYSTYPE value) | YYSTYPE value) |
| { | { |
| if(type==STRING) | if(type==STRING) |
| fprintf(file, " \"%s\"", LA2S(value)->cstr()); | fprintf(file, " \"%s\"", SLA2S(value)->cstr()); |
| } | } |