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| version 1.115, 2001/03/25 10:14:39 | version 1.123, 2001/04/03 17:15:07 |
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| Line 31 | Line 31 |
| #include "pa_config_includes.h" | #include "pa_config_includes.h" |
| #include <stdio.h> | #include <stdio.h> |
| #include <stdlib.h> | #include <stdlib.h> |
| #include <ctype.h> | |
| #include "compile_tools.h" | #include "compile_tools.h" |
| #include "pa_value.h" | #include "pa_value.h" |
| Line 38 | Line 39 |
| #include "pa_vobject.h" | #include "pa_vobject.h" |
| #include "pa_vdouble.h" | #include "pa_vdouble.h" |
| #include "pa_globals.h" | #include "pa_globals.h" |
| #include "pa_vunknown.h" | |
| #define SELF_ELEMENT_NAME "self" | #define SELF_ELEMENT_NAME "self" |
| #define USE_CONTROL_METHOD_NAME "USE" | #define USE_CONTROL_METHOD_NAME "USE" |
| Line 111 all: | Line 113 all: |
| one_big_piece { | one_big_piece { |
| Method& method=*NEW Method(POOL, | Method& method=*NEW Method(POOL, |
| *main_method_name, | *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*/, | 0/*param_names*/, 0/*local_names*/, |
| $1/*parser_code*/, 0/*native_code*/); | $1/*parser_code*/, 0/*native_code*/); |
| Line 125 method: control_method | code_method; | Line 128 method: control_method | code_method; |
| control_method: '@' STRING '\n' | control_method: '@' STRING '\n' |
| control_strings { | control_strings { |
| const String& command=*SLA2S($2); | const String& command=*LA2S($2); |
| YYSTYPE strings_code=$4; | YYSTYPE strings_code=$4; |
| if(strings_code->size()<1*2) { | if(strings_code->size()<1*2) { |
| strcpy(PC.error, "@"); | strcpy(PC.error, "@"); |
| Line 142 control_method: '@' STRING '\n' | Line 145 control_method: '@' STRING '\n' |
| } | } |
| if(strings_code->size()==1*2) { | if(strings_code->size()==1*2) { |
| // new class' name | // new class' name |
| const String *name=SLA2S(strings_code); | const String *name=LA2S(strings_code); |
| // creating the class | // creating the class |
| PC.cclass=NEW VClass(POOL); | PC.cclass=NEW VClass(POOL); |
| PC.cclass->set_name(*name); | PC.cclass->set_name(*name); |
| Line 158 control_method: '@' STRING '\n' | Line 161 control_method: '@' STRING '\n' |
| if(command==USE_CONTROL_METHOD_NAME) { | if(command==USE_CONTROL_METHOD_NAME) { |
| for(int i=0; i<strings_code->size(); i+=2) | for(int i=0; i<strings_code->size(); i+=2) |
| PC.request->use_file( | PC.request->use_file( |
| PC.request->absolute(*SLA2S(strings_code, i))); | PC.request->absolute(*LA2S(strings_code, i))); |
| } else if(command==BASE_NAME) { | } else if(command==BASE_NAME) { |
| if(PC.cclass->base()!=&PC.request->ROOT) { // already changed from default? | if(PC.cclass->base()!=&PC.request->ROOT) { // already changed from default? |
| strcpy(PC.error, "class already have a base '"); | strcpy(PC.error, "class already have a base '"); |
| Line 167 control_method: '@' STRING '\n' | Line 170 control_method: '@' STRING '\n' |
| YYERROR; | YYERROR; |
| } | } |
| if(strings_code->size()==1*2) { | if(strings_code->size()==1*2) { |
| const String& base_name=*SLA2S(strings_code); | const String& base_name=*LA2S(strings_code); |
| VClass *base=static_cast<VClass *>( | VClass *base=static_cast<VClass *>( |
| PC.request->classes().get(base_name)); | PC.request->classes().get(base_name)); |
| if(!base) { | if(!base) { |
| Line 200 maybe_string: empty | STRING; | Line 203 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=SLA2S($2); | const String *name=LA2S($2); |
| YYSTYPE params_names_code=$3; | YYSTYPE params_names_code=$3; |
| Array *params_names=0; | Array *params_names=0; |
| if(int size=params_names_code->size()) { | if(int size=params_names_code->size()) { |
| params_names=NEW Array(POOL); | params_names=NEW Array(POOL); |
| for(int i=0; i<size; i+=2) | for(int i=0; i<size; i+=2) |
| *params_names+=SLA2S(params_names_code, i); | *params_names+=LA2S(params_names_code, i); |
| } | } |
| YYSTYPE locals_names_code=$4; | YYSTYPE locals_names_code=$4; |
| Line 215 code_method: '@' STRING bracketed_maybe_ | Line 218 code_method: '@' STRING bracketed_maybe_ |
| if(int size=locals_names_code->size()) { | if(int size=locals_names_code->size()) { |
| locals_names=NEW Array(POOL); | locals_names=NEW Array(POOL); |
| for(int i=0; i<size; i+=2) | for(int i=0; i<size; i+=2) |
| *locals_names+=SLA2S(locals_names_code, i); | *locals_names+=LA2S(locals_names_code, i); |
| } | } |
| Method& method=*NEW Method(POOL, | Method& method=*NEW Method(POOL, |
| *name, | *name, |
| 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); |
| Line 257 name_without_curly_rdive: | Line 261 name_without_curly_rdive: |
| name_without_curly_rdive_read: name_without_curly_rdive_code { | name_without_curly_rdive_read: name_without_curly_rdive_code { |
| $$=N(POOL); | $$=N(POOL); |
| Array *diving_code=$1; | Array *diving_code=$1; |
| const String *first_name=SLA2S(diving_code); | const String *first_name=LA2S(diving_code); |
| 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, |
| Line 290 name_expr_wdive: | Line 294 name_expr_wdive: |
| name_expr_wdive_write: name_expr_dive_code { | name_expr_wdive_write: name_expr_dive_code { |
| $$=N(POOL); | $$=N(POOL); |
| Array *diving_code=$1; | Array *diving_code=$1; |
| const String *first_name=SLA2S(diving_code); | const String *first_name=LA2S(diving_code); |
| 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, |
| Line 321 construct_by_expr: '(' expr_value ')' { | Line 325 construct_by_expr: '(' expr_value ')' { |
| } | } |
| ; | ; |
| any_constructor_code_value: | any_constructor_code_value: |
| empty_string_value /* optimized $var[] case */ | unknown_value /* optimized $var[] case */ |
| | STRING /* optimized $var[STRING] case */ | | STRING /* optimized $var[STRING] case */ |
| | constructor_code_value /* $var[something complex] */ | | constructor_code_value /* $var[something complex] */ |
| ; | ; |
| Line 343 call: call_value { | Line 347 call: call_value { |
| call_value: '^' call_name store_params EON { /* ^field.$method{vasya} */ | call_value: '^' call_name store_params EON { /* ^field.$method{vasya} */ |
| $$=$2; /* with_xxx,diving code; stack: context,method_junction */ | $$=$2; /* with_xxx,diving code; stack: context,method_junction */ |
| O($$, OP_GET_METHOD_FRAME); /* stack: context,method_frame */ | O($$, OP_GET_METHOD_FRAME); /* stack: context,method_frame */ |
| P($$, $3); /* filling method_frame.store_params */ | |
| O($$, OP_CALL); /* method_frame=pop; ncontext=pop; call(ncontext,method_frame) stack: value */ | YYSTYPE params_code=$3; |
| if(params_code->size()==3) // probably [] case. [OP_VALUE + Unknown + STORE_PARAM] | |
| if(Value *value=LA2V(params_code)) // it is OP_VALUE + value? | |
| if(!value->is_defined()) // value is VUnknown? | |
| params_code=0; // ^zzz[] case. don't append lone empty param. | |
| if(params_code) | |
| P($$, params_code); // filling method_frame.store_params | |
| O($$, OP_CALL); // method_frame=pop; ncontext=pop; call(ncontext,method_frame) stack: value | |
| }; | }; |
| call_name: name_without_curly_rdive; | call_name: name_without_curly_rdive; |
| Line 370 store_curly_param_parts: | Line 381 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: | store_code_param_part: code_param_value { |
| empty /* optimized [] case */ | |
| | STRING { /* optimized [STRING] case */ | |
| $$=$1; | $$=$1; |
| O($$, OP_STORE_PARAM); | O($$, OP_STORE_PARAM); |
| } | }; |
| | constructor_code_value { /* [something complex] */ | |
| $$=$1; | |
| O($$, OP_STORE_PARAM); | |
| } | |
| ; | |
| store_expr_param_part: write_expr_value { | store_expr_param_part: write_expr_value { |
| $$=N(POOL); | $$=N(POOL); |
| PEA($$, $1); | PEA($$, $1); |
| Line 389 store_curly_param_part: maybe_codes { | Line 393 store_curly_param_part: maybe_codes { |
| $$=N(POOL); | $$=N(POOL); |
| PCA($$, $1); | PCA($$, $1); |
| }; | }; |
| code_param_value: | |
| unknown_value /* optimized [;...] case */ | |
| | STRING /* optimized [STRING] case */ | |
| | constructor_code_value /* [something complex] */ | |
| ; | |
| write_expr_value: expr_value { | write_expr_value: expr_value { |
| $$=$1; | $$=$1; |
| O($$, OP_WRITE_EXPR_RESULT); | O($$, OP_WRITE_EXPR_RESULT); |
| Line 522 write_string: STRING { | Line 531 write_string: STRING { |
| change_string_literal_to_write_string_literal($$=$1) | change_string_literal_to_write_string_literal($$=$1) |
| }; | }; |
| empty_string_value: /* empty */ { $$=VL(NEW VString(POOL)) }; | unknown_value: /* empty */ { $$=VL(NEW VUnknown(POOL)) }; |
| empty: /* empty */ { $$=N(POOL) }; | empty: /* empty */ { $$=N(POOL) }; |
| %% | %% |
| Line 570 static int yylex(YYSTYPE *lvalp, void *p | Line 579 static int yylex(YYSTYPE *lvalp, void *p |
| } else | } else |
| PC.col++; | PC.col++; |
| if(c=='^') | if(c=='^' && PC.ls!=LS_COMMENT && PC.ls!=LS_DEF_COMMENT) |
| switch(*PC.source) { | switch(*PC.source) { |
| // escaping: ^^ ^$ ^; ^) ^} ^( ^{ ^" | // escaping: ^^ ^$ ^; ^) ^} ^( ^{ ^" |
| case '^': case '$': case ';': | case '^': case '$': case ';': |
| Line 579 static int yylex(YYSTYPE *lvalp, void *p | Line 588 static int yylex(YYSTYPE *lvalp, void *p |
| case '"': | case '"': |
| if(end!=begin) { | if(end!=begin) { |
| // append piece till ^ | // append piece till ^ |
| PC.string->APPEND(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; // ^ |
| Line 593 static int yylex(YYSTYPE *lvalp, void *p | Line 602 static int yylex(YYSTYPE *lvalp, void *p |
| case '#': | case '#': |
| if(end!=begin) { | if(end!=begin) { |
| // append piece till ^ | // append piece till ^ |
| PC.string->APPEND(begin, end-begin, PC.file, begin_line); | PC.string->APPEND_CLEAN(begin, end-begin, PC.file, begin_line); |
| } | } |
| // #HH ? | // #HH ? |
| if(PC.source[0]=='#' && PC.source[1] && PC.source[2]) { | if(PC.source[0]=='#' && PC.source[1] && PC.source[2]) { |
| Line 606 static int yylex(YYSTYPE *lvalp, void *p | Line 615 static int yylex(YYSTYPE *lvalp, void *p |
| goto break2; // wrong hex value[no ^#00 chars allowed]: bail out | goto break2; // wrong hex value[no ^#00 chars allowed]: bail out |
| } | } |
| // append char(hex(HH)) | // append char(hex(HH)) |
| PC.string->APPEND(hex, 1, PC.file, begin_line); | PC.string->APPEND_CLEAN(hex, 1, PC.file, begin_line); |
| // skip over ^#HH | // skip over ^#HH |
| PC.source+=3; | PC.source+=3; |
| PC.col+=3; | PC.col+=3; |
| Line 621 static int yylex(YYSTYPE *lvalp, void *p | Line 630 static int yylex(YYSTYPE *lvalp, void *p |
| if(c=='#' && PC.col==1) { | if(c=='#' && PC.col==1) { |
| if(end!=begin) { | if(end!=begin) { |
| // append piece till # | // append piece till # |
| PC.string->APPEND(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_COMMENT); |
| Line 785 static int yylex(YYSTYPE *lvalp, void *p | Line 794 static int yylex(YYSTYPE *lvalp, void *p |
| RC; | RC; |
| case 'l': case 'g': case 'e': case 'n': | case 'l': case 'g': case 'e': case 'n': |
| if(end==begin) // right after whitespace | if(end==begin) // right after whitespace |
| switch(*PC.source) { | if(isspace(PC.source[1])) { |
| // case '?': // ok [and bad cases, yacc would bark at them] | switch(*PC.source) { |
| case 't': // lt gt [et nt] | // case '?': // ok [and bad cases, yacc would bark at them] |
| result=c=='l'?SLT:c=='g'?SGT:BAD_STRING_COMPARISON_OPERATOR; | case 't': // lt gt [et nt] |
| skip_analized=1; | result=c=='l'?SLT:c=='g'?SGT:BAD_STRING_COMPARISON_OPERATOR; |
| goto break2; | skip_analized=1; |
| case 'e': // le ge ne [ee] | goto break2; |
| result=c=='l'?SLE:c=='g'?SGE:c=='n'?SNE:BAD_STRING_COMPARISON_OPERATOR; | case 'e': // le ge ne [ee] |
| skip_analized=1; | result=c=='l'?SLE:c=='g'?SGE:c=='n'?SNE:BAD_STRING_COMPARISON_OPERATOR; |
| goto break2; | skip_analized=1; |
| case 'q': // eq [lq gq nq] | goto break2; |
| result=c=='e'?SEQ:BAD_STRING_COMPARISON_OPERATOR; | case 'q': // eq [lq gq nq] |
| skip_analized=1; | result=c=='e'?SEQ:BAD_STRING_COMPARISON_OPERATOR; |
| goto break2; | skip_analized=1; |
| goto break2; | |
| } | |
| } | } |
| break; | break; |
| case 'i': | case 'i': |
| if(end==begin) // right after whitespace | if(end==begin) // right after whitespace |
| switch(PC.source[0]) { | if(isspace(PC.source[1])) { |
| case 'n': | switch(PC.source[0]) { |
| { // in | case 'n': // in |
| skip_analized=1; | skip_analized=1; |
| result=IN; | result=IN; |
| goto break2; | goto break2; |
| } | case 's': // is |
| case 's': | |
| { // is | |
| skip_analized=1; | skip_analized=1; |
| result=IS; | result=IS; |
| goto break2; | goto break2; |
| Line 1047 break2: | Line 1056 break2: |
| } | } |
| if(end!=begin) { // last piece still alive? | if(end!=begin) { // last piece still alive? |
| // append it | // append it |
| PC.string->APPEND(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? |
| Line 1071 static int real_yyerror(parse_control *p | Line 1080 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\"", SLA2S(value)->cstr()); | fprintf(file, " \"%s\"", LA2S(value)->cstr()); |
| } | } |