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| version 1.79, 2001/03/09 04:47:29 | version 1.366, 2010/10/09 23:17:26 |
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| Line 1 | Line 1 |
| /* | /** @file |
| $Id$ | Parser: executor part of request class. |
| Copyright (c) 2001-2009 ArtLebedev Group (http://www.artlebedev.com) | |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | |
| */ | */ |
| static const char * const IDENT_EXECUTE_C="$Date$"; | |
| #include "pa_opcode.h" | |
| #include "pa_array.h" | #include "pa_array.h" |
| #include "code.h" | |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_vstring.h" | #include "pa_vstring.h" |
| #include "pa_vhash.h" | #include "pa_vhash.h" |
| #include "pa_vunknown.h" | #include "pa_vvoid.h" |
| #include "pa_vcframe.h" | #include "pa_vcode_frame.h" |
| #include "pa_vmframe.h" | #include "pa_vmethod_frame.h" |
| #include "pa_vobject.h" | #include "pa_vobject.h" |
| #include "pa_vdouble.h" | #include "pa_vdouble.h" |
| #include "pa_vbool.h" | #include "pa_vbool.h" |
| #include "pa_vtable.h" | |
| #include "pa_vfile.h" | |
| #include "pa_vimage.h" | |
| #include "pa_wwrapper.h" | |
| #include <stdio.h> | //#define DEBUG_EXECUTE |
| #define PUSH(value) stack.push(value) | |
| #define POP() static_cast<Value *>(stack.pop()) | |
| #define POP_NAME() static_cast<Value *>(stack.pop())->as_string() | |
| #ifdef DEBUG_EXECUTE | |
| char *opcode_name[]={ | char *opcode_name[]={ |
| // literals | // literals |
| "VALUE", "CODE__STORE_PARAM", | "VALUE", "CURLY_CODE__STORE_PARAM", "EXPR_CODE__STORE_PARAM", |
| "NESTED_CODE", | |
| // actions | // actions |
| "WITH_SELF", "WITH_ROOT", "WITH_READ", "WITH_WRITE", | "WITH_ROOT", "WITH_SELF", "WITH_READ", "WITH_WRITE", |
| "GET_CLASS", | "VALUE__GET_CLASS", |
| "CONSTRUCT", | "CONSTRUCT_VALUE", "CONSTRUCT_EXPR", "CURLY_CODE__CONSTRUCT", |
| "WRITE", | "WRITE_VALUE", "WRITE_EXPR_RESULT", "STRING__WRITE", |
| "GET_ELEMENT", "GET_ELEMENT__WRITE", | #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT |
| "CREATE_EWPOOL", "REDUCE_EWPOOL", | "VALUE__GET_ELEMENT_OR_OPERATOR", |
| "CREATE_RWPOOL", "REDUCE_RWPOOL", | #else |
| "CREATE_SWPOOL", "REDUCE_SWPOOL", | "GET_ELEMENT_OR_OPERATOR", |
| "GET_METHOD_FRAME", | #endif |
| "STORE_PARAM", | "GET_ELEMENT", |
| "CALL", | "GET_ELEMENT__WRITE", |
| #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT | |
| "VALUE__GET_ELEMENT", | |
| "VALUE__GET_ELEMENT__WRITE", | |
| "WITH_ROOT__VALUE__GET_ELEMENT", | |
| #endif | |
| #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT | |
| "GET_OBJECT_ELEMENT", | |
| "GET_OBJECT_ELEMENT__WRITE", | |
| #endif | |
| #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT | |
| "GET_OBJECT_VAR_ELEMENT", | |
| "GET_OBJECT_VAR_ELEMENT__WRITE", | |
| #endif | |
| #ifdef OPTIMIZE_BYTECODE_GET_SELF_ELEMENT | |
| "WITH_SELF__VALUE__GET_ELEMENT", | |
| "WITH_SELF__VALUE__GET_ELEMENT__WRITE", | |
| #endif | |
| "OBJECT_POOL", "STRING_POOL", | |
| "PREPARE_TO_CONSTRUCT_OBJECT", | |
| "CONSTRUCT_OBJECT", | |
| "CONSTRUCT_OBJECT__WRITE", | |
| "PREPARE_TO_EXPRESSION", | |
| "CALL", "CALL__WRITE", | |
| #ifdef OPTIMIZE_BYTECODE_CONSTRUCT | |
| "WITH_ROOT__VALUE__CONSTRUCT_EXPR", | |
| "WITH_ROOT__VALUE__CONSTRUCT_VALUE", | |
| "WITH_WRITE__VALUE__CONSTRUCT_EXPR", | |
| "WITH_WRITE__VALUE__CONSTRUCT_VALUE", | |
| "WITH_SELF__VALUE__CONSTRUCT_EXPR", | |
| "WITH_SELF__VALUE__CONSTRUCT_VALUE", | |
| #endif | |
| // expression ops: unary | // expression ops: unary |
| "NEG", "INV", "NOT", "DEF", "IN", "FEXISTS", | "NEG", "INV", "NOT", "DEF", "IN", "FEXISTS", "DEXISTS", |
| // expression ops: binary | // expression ops: binary |
| "SUB", "ADD", "MUL", "DIV", "MOD", | "SUB", "ADD", "MUL", "DIV", "MOD", "INTDIV", |
| "BIN_SL", "BIN_SR", | |
| "BIN_AND", "BIN_OR", "BIN_XOR", | "BIN_AND", "BIN_OR", "BIN_XOR", |
| "LOG_AND", "LOG_OR", "LOG_XOR", | "LOG_AND", "LOG_OR", "LOG_XOR", |
| "NUM_LT", "NUM_GT", "NUM_LE", "NUM_GE", "NUM_EQ", "NUM_NE", | "NUM_LT", "NUM_GT", "NUM_LE", "NUM_GE", "NUM_EQ", "NUM_NE", |
| "STR_LT", "STR_GT", "STR_LE", "STR_GE", "STR_EQ", "STR_NE" | "STR_LT", "STR_GT", "STR_LE", "STR_GE", "STR_EQ", "STR_NE", |
| "IS" | |
| }; | }; |
| void dump(int level, const Array& ops) { | const char* debug_value_to_cstr(Value& value){ |
| if(0){ | const String* string=value.get_string(); |
| int size=ops.size(); | |
| //fprintf(stderr, "size=%d\n", size); | if(string) |
| for(int i=0; i<size; i++) { | return string->cstr(); |
| Operation op; | else |
| op.cast=ops.quick_get(i); | if(value.is_bool()) |
| fprintf(stderr, "%8X\n", op.cast); | return value.as_bool()?"<true>":"<false>"; |
| else | |
| return "<value>"; | |
| } | |
| void va_debug_printf(SAPI_Info& sapi_info, const char* fmt,va_list args) { | |
| char buf[MAX_STRING]; | |
| vsnprintf(buf, MAX_STRING, fmt, args); | |
| SAPI::log(sapi_info, "%s", buf); | |
| } | |
| void debug_printf(SAPI_Info& sapi_info, const char* fmt, ...) { | |
| va_list args; | |
| va_start(args, fmt); | |
| va_debug_printf(sapi_info, fmt, args); | |
| va_end(args); | |
| } | |
| void debug_dump(SAPI_Info& sapi_info, int level, ArrayOperation& ops) { | |
| Array_iterator<Operation> i(ops); | |
| while(i.has_next()) { | |
| OP::OPCODE opcode=i.next().code; | |
| #if defined(OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT) || defined(OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT) | |
| if( | |
| 1==0 | |
| #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT | |
| || opcode==OP::OP_GET_OBJECT_ELEMENT | |
| || opcode==OP::OP_GET_OBJECT_ELEMENT__WRITE | |
| #endif | |
| #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT | |
| || opcode==OP::OP_GET_OBJECT_VAR_ELEMENT | |
| || opcode==OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE | |
| #endif | |
| ){ | |
| i.next(); // skip origin | |
| Value& value1=*i.next().value; | |
| i.next(); // skip origin | |
| Value& value2=*i.next().value; | |
| debug_printf(sapi_info, | |
| "%*s%s" | |
| " \"%s\" \"%s\"", | |
| level*4, "", opcode_name[opcode], | |
| debug_value_to_cstr(value1), debug_value_to_cstr(value2)); | |
| continue; | |
| } | } |
| } | #endif |
| if( | |
| opcode==OP::OP_CONSTRUCT_OBJECT | |
| || opcode==OP::OP_CONSTRUCT_OBJECT__WRITE | |
| ){ | |
| i.next(); // skip origin | |
| Value& value1=*i.next().value; | |
| i.next(); // skip origin | |
| Value& value2=*i.next().value; | |
| debug_printf(sapi_info, | |
| "%*s%s" | |
| " \"%s\" \"%s\"", | |
| level*4, "", opcode_name[opcode], | |
| debug_value_to_cstr(value1), debug_value_to_cstr(value2)); | |
| if(ArrayOperation* local_ops=i.next().ops) | |
| debug_dump(sapi_info, level+1, *local_ops); | |
| continue; | |
| } | |
| if( | |
| opcode==OP::OP_VALUE | |
| || opcode==OP::OP_STRING__WRITE | |
| || opcode==OP::OP_VALUE__GET_CLASS | |
| #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT | |
| || opcode==OP::OP_VALUE__GET_ELEMENT | |
| || opcode==OP::OP_VALUE__GET_ELEMENT__WRITE | |
| || opcode==OP::OP_VALUE__GET_ELEMENT_OR_OPERATOR | |
| || opcode==OP::OP_WITH_ROOT__VALUE__GET_ELEMENT | |
| #endif | |
| #ifdef OPTIMIZE_BYTECODE_GET_SELF_ELEMENT | |
| || opcode==OP::OP_WITH_SELF__VALUE__GET_ELEMENT | |
| || opcode==OP::OP_WITH_SELF__VALUE__GET_ELEMENT__WRITE | |
| #endif | |
| #ifdef OPTIMIZE_BYTECODE_CONSTRUCT | |
| || opcode==OP::OP_WITH_ROOT__VALUE__CONSTRUCT_EXPR | |
| || opcode==OP::OP_WITH_ROOT__VALUE__CONSTRUCT_VALUE | |
| || opcode==OP::OP_WITH_WRITE__VALUE__CONSTRUCT_EXPR | |
| || opcode==OP::OP_WITH_WRITE__VALUE__CONSTRUCT_VALUE | |
| || opcode==OP::OP_WITH_SELF__VALUE__CONSTRUCT_EXPR | |
| || opcode==OP::OP_WITH_SELF__VALUE__CONSTRUCT_VALUE | |
| #endif | |
| ) { | |
| Operation::Origin origin=i.next().origin; | |
| Value& value=*i.next().value; | |
| debug_printf(sapi_info, | |
| "%*s%s" | |
| " \"%s\" %s", | |
| level*4, "", opcode_name[opcode], | |
| debug_value_to_cstr(value), value.type()); | |
| continue; | |
| } | |
| debug_printf(sapi_info, "%*s%s", level*4, "", opcode_name[opcode]); | |
| int size=ops.size(); | switch(opcode) { |
| //fprintf(stderr, "size=%d\n", size); | case OP::OP_CURLY_CODE__STORE_PARAM: |
| for(int i=0; i<size; i++) { | case OP::OP_EXPR_CODE__STORE_PARAM: |
| Operation op; | case OP::OP_CURLY_CODE__CONSTRUCT: |
| op.cast=ops.quick_get(i); | case OP::OP_NESTED_CODE: |
| fprintf(stderr, "%*s%s", level*4, "", opcode_name[op.code]); | case OP::OP_OBJECT_POOL: |
| case OP::OP_STRING_POOL: | |
| if(op.code==OP_VALUE) { | case OP::OP_CALL: |
| Value *value=static_cast<Value *>(ops.quick_get(++i)); | case OP::OP_CALL__WRITE: |
| fprintf(stderr, " \"%s\" %s", value->get_string()->cstr(), value->type()); | if(ArrayOperation* local_ops=i.next().ops) |
| } | debug_dump(sapi_info, level+1, *local_ops); |
| fprintf(stderr, "\n"); | |
| if(op.code==OP_CODE__STORE_PARAM) { | |
| const Array *local_ops=reinterpret_cast<const Array *>(ops.quick_get(++i)); | |
| dump(level+1, *local_ops); | |
| } | } |
| } | } |
| fflush(stderr); | |
| } | } |
| #define DEBUG_PRINT_STR(str) debug_printf(sapi_info, str); | |
| #define DEBUG_PRINT_STRING(value) debug_printf(sapi_info, " \"%s\" ", value.cstr()); | |
| #define DEBUG_PRINT_VALUE_AND_TYPE(value) debug_printf(sapi_info, " \"%s\" %s", debug_value_to_cstr(value), value.type()); | |
| #define DEBUG_PRINT_OPS(local_ops) \ | |
| debug_printf(sapi_info, \ | |
| " (%d)\n", local_ops?local_ops->count():0); \ | |
| if(local_ops) debug_dump(sapi_info, 1, *local_ops); | |
| #else | |
| #define DEBUG_PRINT_STR(str) | |
| #define DEBUG_PRINT_STRING(value) | |
| #define DEBUG_PRINT_VALUE_AND_TYPE(value) | |
| #define DEBUG_PRINT_OPS(local_ops) | |
| #endif | |
| // Request | |
| void Request::execute(ArrayOperation& ops) { | |
| register Stack<StackItem>& stack=this->stack; // helps a lot on MSVC: 'esi' | |
| const String* debug_name=0; Operation::Origin debug_origin={0, 0, 0}; | |
| try{ | |
| #ifdef DEBUG_EXECUTE | |
| debug_printf(sapi_info, "source----------------------------\n"); | |
| debug_dump(sapi_info, 0, ops); | |
| debug_printf(sapi_info, "execution-------------------------\n"); | |
| #endif | |
| for(Array_iterator<Operation> i(ops); i.has_next(); ) { | |
| OP::OPCODE opcode=i.next().code; | |
| #ifdef DEBUG_EXECUTE | |
| debug_printf(sapi_info, "%d:%s", stack.top_index()+1, opcode_name[opcode]); | |
| #endif | |
| void Request::execute(const Array& ops) { | switch(opcode) { |
| if(1) { | |
| fputs("source----------------------------\n", stderr); | |
| dump(0, ops); | |
| fputs("execution-------------------------\n", stderr); | |
| } | |
| int size=ops.size(); | |
| //fprintf(stderr, "size=%d\n", size); | |
| for(int i=0; i<size; i++) { | |
| Operation op; | |
| op.cast=ops.quick_get(i); | |
| fprintf(stderr, "%d:%s", stack.top_index(), opcode_name[op.code]); fflush(stderr); | |
| switch(op.code) { | |
| // param in next instruction | // param in next instruction |
| case OP_VALUE: | case OP::OP_VALUE: |
| { | { |
| Value *value=static_cast<Value *>(ops.quick_get(++i)); | debug_origin=i.next().origin; |
| fprintf(stderr, " \"%s\" %s", value->get_string()->cstr(), value->type()); | Value& value=*i.next().value; |
| PUSH(value); | |
| break; | |
| } | |
| case OP_CODE__STORE_PARAM: | |
| { | |
| VMethodFrame *frame=static_cast<VMethodFrame *>(stack.top_value()); | |
| // code | |
| const Array *local_ops=reinterpret_cast<const Array *>(ops.quick_get(++i)); | |
| fprintf(stderr, " (%d)\n", local_ops->size()); | |
| dump(1, *local_ops); | |
| Junction& j=*NEW Junction(pool(), | |
| *self, 0, 0, | |
| root, frame, frame, local_ops); | |
| Value *value=NEW VJunction(j); | |
| value->set_name(frame->name()); | |
| // store param | DEBUG_PRINT_VALUE_AND_TYPE(value) |
| frame->store_param(value); | |
| stack.push(value); | |
| break; | break; |
| } | } |
| case OP_GET_CLASS: | case OP::OP_VALUE__GET_CLASS: |
| { | { |
| String& name=POP_NAME(); | // maybe they do ^class:method[] call, remember the fact |
| VClass *vclass=static_cast<VClass *>(classes().get(name)); | wcontext->set_somebody_entered_some_class(); |
| if(!vclass) | |
| THROW(0,0, | debug_origin=i.next().origin; |
| Value& value=*i.next().value; | |
| const String& name=*value.get_string(); debug_name=&name; | |
| DEBUG_PRINT_STRING(name) | |
| Value* class_value=get_class(name); | |
| if(!class_value) | |
| throw Exception(PARSER_RUNTIME, | |
| &name, | &name, |
| ": undefined class"); | "class is undefined"); |
| PUSH(vclass); | stack.push(*class_value); |
| break; | break; |
| } | } |
| // OP_WITH | // OP_WITH |
| case OP_WITH_SELF: | case OP::OP_WITH_ROOT: |
| { | { |
| PUSH(self); | stack.push(*method_frame); |
| break; | break; |
| } | } |
| case OP_WITH_ROOT: | case OP::OP_WITH_SELF: |
| { | { |
| PUSH(root); | stack.push(get_self()); |
| break; | break; |
| } | } |
| case OP_WITH_READ: | case OP::OP_WITH_READ: |
| { | { |
| PUSH(rcontext); | stack.push(*rcontext); |
| break; | break; |
| } | } |
| case OP_WITH_WRITE: | case OP::OP_WITH_WRITE: |
| { | { |
| PUSH(wcontext); | if(wcontext==method_frame) |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "$.name outside of $name[...]"); | |
| stack.push(*wcontext); | |
| break; | break; |
| } | } |
| // OTHER ACTIONS BUT WITHs | // OTHER ACTIONS BUT WITHs |
| case OP_CONSTRUCT: | |
| #ifdef OPTIMIZE_BYTECODE_CONSTRUCT | |
| #define DO_CONSTRUCT(context, vvalue) { \ | |
| debug_origin=i.next().origin; \ | |
| const String& name=*i.next().value->get_string(); debug_name=&name; \ | |
| DEBUG_PRINT_STRING(name) \ | |
| Value& value=stack.pop().value(); \ | |
| put_element( context, name, vvalue ); \ | |
| break; \ | |
| } | |
| #define DO_CONSTRUCT_VALUE(context) DO_CONSTRUCT(context, &value) | |
| #define DO_CONSTRUCT_EXPR(context) { \ | |
| wcontext->set_in_expression(false); \ | |
| DO_CONSTRUCT(context, &value.as_expr_result()) \ | |
| } | |
| case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_EXPR: | |
| { | { |
| Value *value=POP(); | if(wcontext==method_frame) |
| String& name=POP_NAME(); | throw Exception(PARSER_RUNTIME, 0, "$.name outside of $name[...]"); |
| Value *ncontext=POP(); | DO_CONSTRUCT_EXPR(*wcontext) |
| value->set_name(name); | } |
| ncontext->put_element(name, value); | |
| case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_VALUE: | |
| { | |
| if(wcontext==method_frame) | |
| throw Exception(PARSER_RUNTIME, 0, "$.name outside of $name[...]"); | |
| DO_CONSTRUCT_VALUE(*wcontext) | |
| } | |
| case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_EXPR: DO_CONSTRUCT_EXPR(*method_frame) | |
| case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_VALUE: DO_CONSTRUCT_VALUE(*method_frame) | |
| case OP::OP_WITH_SELF__VALUE__CONSTRUCT_EXPR: DO_CONSTRUCT_EXPR(get_self()) | |
| case OP::OP_WITH_SELF__VALUE__CONSTRUCT_VALUE: DO_CONSTRUCT_VALUE(get_self()) | |
| #endif // OPTIMIZE_BYTECODE_CONSTRUCT | |
| case OP::OP_CONSTRUCT_VALUE: | |
| { | |
| #ifdef OPTIMIZE_BYTECODE_CONSTRUCT | |
| const String& name=stack.pop().string(); debug_name=&name; | |
| Value& ncontext=stack.pop().value(); | |
| Value& value=stack.pop().value(); | |
| #else | |
| Value& value=stack.pop().value(); | |
| const String& name=stack.pop().string(); debug_name=&name; | |
| Value& ncontext=stack.pop().value(); | |
| #endif | |
| put_element(ncontext, name, &value); | |
| break; | break; |
| } | } |
| case OP_WRITE: | |
| case OP::OP_CONSTRUCT_EXPR: | |
| { | { |
| Value *value=POP(); | // see OP_PREPARE_TO_EXPRESSION |
| wcontext->write(*value); | wcontext->set_in_expression(false); |
| #ifdef OPTIMIZE_BYTECODE_CONSTRUCT | |
| const String& name=stack.pop().string(); debug_name=&name; | |
| Value& ncontext=stack.pop().value(); | |
| Value& expr=stack.pop().value(); | |
| #else | |
| Value& expr=stack.pop().value(); | |
| const String& name=stack.pop().string(); debug_name=&name; | |
| Value& ncontext=stack.pop().value(); | |
| #endif | |
| Value& value=expr.as_expr_result(); | |
| put_element(ncontext, name, &value); | |
| break; | break; |
| } | } |
| case OP_GET_ELEMENT: | case OP::OP_CURLY_CODE__CONSTRUCT: |
| { | |
| ArrayOperation& local_ops=*i.next().ops; | |
| DEBUG_PRINT_OPS((&local_ops)) | |
| VJunction& value=*new VJunction( | |
| get_self(), 0, | |
| method_frame, | |
| rcontext, | |
| wcontext, | |
| &local_ops); | |
| wcontext->attach_junction(&value); | |
| const String& name=stack.pop().string(); debug_name=&name; | |
| Value& ncontext=stack.pop().value(); | |
| if(const VJunction* vjunction=ncontext.put_element(name, &value, false)) | |
| if(vjunction!=PUT_ELEMENT_REPLACED_ELEMENT) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "property value can not be code, use [] or () brackets"); | |
| break; | |
| } | |
| case OP::OP_NESTED_CODE: | |
| { | |
| ArrayOperation& local_ops=*i.next().ops; | |
| DEBUG_PRINT_OPS((&local_ops)) | |
| stack.push(local_ops); | |
| break; | |
| } | |
| case OP::OP_WRITE_VALUE: | |
| { | |
| Value& value=stack.pop().value(); | |
| write_assign_lang(value); | |
| break; | |
| } | |
| case OP::OP_WRITE_EXPR_RESULT: | |
| { | |
| // see OP_PREPARE_TO_EXPRESSION | |
| wcontext->set_in_expression(false); | |
| Value& value=stack.pop().value(); | |
| wcontext->write(value.as_expr_result()); | |
| break; | |
| } | |
| case OP::OP_STRING__WRITE: | |
| { | { |
| Value *value=get_element(); | i.next(); // ignore origin |
| PUSH(value); | Value* value=i.next().value; |
| const String& string_value=*value->get_string(); | |
| DEBUG_PRINT_STRING(string_value) | |
| write_no_lang(string_value); | |
| break; | break; |
| } | } |
| case OP_GET_ELEMENT__WRITE: | #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT |
| case OP::OP_VALUE__GET_ELEMENT_OR_OPERATOR: | |
| { | { |
| Value *value=get_element(); | debug_origin=i.next().origin; |
| wcontext->write(*value); | const String& name=*i.next().value->get_string(); debug_name=&name; |
| DEBUG_PRINT_STRING(name) | |
| if(Method* method=main_class.get_method(name)){ // looking operator of that name FIRST | |
| if(!method->junction_template) method->junction_template=new VJunction(main_class, method); | |
| stack.push(*method->junction_template); | |
| break; | |
| } | |
| Value& value=get_element(*rcontext, name); | |
| stack.push(value); | |
| break; | break; |
| } | } |
| #else | |
| case OP::OP_GET_ELEMENT_OR_OPERATOR: | |
| { | |
| const String& name=stack.pop().string(); debug_name=&name; | |
| Value& ncontext=stack.pop().value(); | |
| if(Method* method=main_class.get_method(name)){ // looking operator of that name FIRST | |
| if(!method->junction_template) method->junction_template=new VJunction(main_class, method); | |
| stack.push(*method->junction_template); | |
| break; | |
| } | |
| Value& value=get_element(ncontext, name); | |
| stack.push(value); | |
| break; | |
| } | |
| #endif | |
| #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT | |
| case OP::OP_GET_OBJECT_ELEMENT: | |
| case OP::OP_GET_OBJECT_ELEMENT__WRITE: | |
| { | |
| debug_origin=i.next().origin; | |
| const String& context_name=*i.next().value->get_string(); debug_name=&context_name; | |
| DEBUG_PRINT_STRING(context_name) | |
| Value& object=get_element(*rcontext, context_name); | |
| debug_origin=i.next().origin; | |
| const String& field_name=*i.next().value->get_string(); debug_name=&field_name; | |
| DEBUG_PRINT_STRING(field_name) | |
| case OP_CREATE_EWPOOL: | Value& value=get_element(object, field_name); |
| if(opcode==OP::OP_GET_OBJECT_ELEMENT){ | |
| stack.push(value); | |
| } else { | |
| write_assign_lang(value); | |
| } | |
| break; | |
| } | |
| #endif | |
| #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT | |
| case OP::OP_GET_OBJECT_VAR_ELEMENT: | |
| case OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE: | |
| { | { |
| PUSH(wcontext); | debug_origin=i.next().origin; |
| wcontext=NEW WWrapper(pool(), 0 /* empty */, true /* constructing */); | const String& context_name=*i.next().value->get_string(); debug_name=&context_name; |
| DEBUG_PRINT_STRING(context_name) | |
| Value& object=get_element(*rcontext, context_name); | |
| debug_origin=i.next().origin; | |
| const String& var_name=*i.next().value->get_string(); debug_name=&var_name; | |
| DEBUG_PRINT_STRING(var_name) | |
| const String* field=&get_element(*rcontext, var_name).as_string(); | |
| Value& value=get_element(object, *field); | |
| if(opcode==OP::OP_GET_OBJECT_VAR_ELEMENT){ | |
| stack.push(value); | |
| } else { | |
| write_assign_lang(value); | |
| } | |
| break; | break; |
| } | } |
| case OP_REDUCE_EWPOOL: | #endif |
| case OP::OP_GET_ELEMENT: | |
| { | { |
| Value *value=wcontext->result(); | const String& name=stack.pop().string(); debug_name=&name; |
| wcontext=static_cast<WContext *>(POP()); | Value& ncontext=stack.pop().value(); |
| PUSH(value); | Value& value=get_element(ncontext, name); |
| stack.push(value); | |
| break; | break; |
| } | } |
| case OP_CREATE_RWPOOL: | case OP::OP_GET_ELEMENT__WRITE: |
| { | |
| const String& name=stack.pop().string(); debug_name=&name; | |
| Value& ncontext=stack.pop().value(); | |
| Value& value=get_element(ncontext, name); | |
| write_assign_lang(value); | |
| break; | |
| } | |
| #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT | |
| case OP::OP_VALUE__GET_ELEMENT: | |
| { | |
| debug_origin=i.next().origin; | |
| const String& name=*i.next().value->get_string(); debug_name=&name; | |
| DEBUG_PRINT_STRING(name) | |
| Value& value=get_element(*rcontext, name); | |
| stack.push(value); | |
| break; | |
| } | |
| case OP::OP_VALUE__GET_ELEMENT__WRITE: | |
| { | { |
| Value *ncontext=POP(); | debug_origin=i.next().origin; |
| PUSH(rcontext); | const String& name=*i.next().value->get_string(); debug_name=&name; |
| rcontext=ncontext; | |
| PUSH(wcontext); | DEBUG_PRINT_STRING(name) |
| wcontext=NEW WWrapper(pool(), ncontext, false /* not constructing */); | |
| Value& value=get_element(*rcontext, name); | |
| write_assign_lang(value); | |
| break; | |
| } | |
| case OP::OP_WITH_ROOT__VALUE__GET_ELEMENT: | |
| { | |
| debug_origin=i.next().origin; | |
| const String& name=*i.next().value->get_string(); debug_name=&name; | |
| DEBUG_PRINT_STRING(name) | |
| Value& value=get_element(*method_frame, name); | |
| stack.push(value); | |
| break; | break; |
| } | } |
| case OP_REDUCE_RWPOOL: | #endif |
| #ifdef OPTIMIZE_BYTECODE_GET_SELF_ELEMENT | |
| case OP::OP_WITH_SELF__VALUE__GET_ELEMENT: | |
| case OP::OP_WITH_SELF__VALUE__GET_ELEMENT__WRITE: | |
| { | { |
| String *string=wcontext->get_string(); | debug_origin=i.next().origin; |
| Value *value=string?NEW VString(*string):NEW VString(); | const String& name=*i.next().value->get_string(); debug_name=&name; |
| wcontext=static_cast<WContext *>(POP()); | |
| rcontext=POP(); | DEBUG_PRINT_STRING(name) |
| PUSH(value); | |
| Value& value=get_element(get_self(), name); | |
| if(opcode==OP::OP_WITH_SELF__VALUE__GET_ELEMENT){ | |
| stack.push(value); | |
| } else { | |
| write_assign_lang(value); | |
| } | |
| break; | break; |
| } | } |
| case OP_CREATE_SWPOOL: | #endif |
| case OP::OP_OBJECT_POOL: | |
| { | { |
| PUSH(wcontext); | ArrayOperation& local_ops=*i.next().ops; |
| wcontext=NEW WWrapper(pool(), 0 /* empty */, false /* not constructing */); | |
| WContext *saved_wcontext=wcontext; | |
| String::Language saved_lang=flang; | |
| flang=String::L_PASS_APPENDED; | |
| #ifdef OPTIMIZE_SINGLE_STRING_WRITE | |
| WObjectPoolWrapper local(wcontext); | |
| #else | |
| WWrapper local(wcontext); | |
| #endif | |
| wcontext=&local; | |
| execute(local_ops); | |
| stack.push(wcontext->result().as_value()); | |
| flang=saved_lang; | |
| wcontext=saved_wcontext; | |
| break; | break; |
| } | } |
| case OP_REDUCE_SWPOOL: | |
| case OP::OP_STRING_POOL: | |
| { | { |
| ArrayOperation& local_ops=*i.next().ops; | |
| WContext *saved_wcontext=wcontext; | |
| WWrapper local(wcontext); | |
| wcontext=&local; | |
| execute(local_ops); | |
| Value* value; | |
| // from "$a $b" part of expression taking only string value, | // from "$a $b" part of expression taking only string value, |
| // ignoring any other content of wcontext | // ignoring any other content of wcontext |
| String *string=wcontext->get_string(); | if(const String* string=wcontext->get_string()) |
| Value *value=string?NEW VString(*string):NEW VString(); | value=new VString(*string); |
| wcontext=static_cast<WContext *>(POP()); | else |
| PUSH(value); | value=VVoid::get(); |
| stack.push(*value); | |
| wcontext=saved_wcontext; | |
| break; | break; |
| } | } |
| // CALL | // CALL |
| case OP_GET_METHOD_FRAME: | case OP::OP_CURLY_CODE__STORE_PARAM: |
| case OP::OP_EXPR_CODE__STORE_PARAM: | |
| { | { |
| Value *value=POP(); | // code |
| // info: this one's always method-junction, not a code-junction | ArrayOperation& local_ops=*i.next().ops; |
| Junction *junction=value->get_junction(); | |
| if(!junction) | DEBUG_PRINT_OPS((&local_ops)) |
| THROW(0,0, | |
| &value->name(), | // when they evaluate expression parameter, |
| "type is '%s', can not call it (must be method or junction)", | // the object expression result |
| value->type()); | // does not need to be written into calling frame |
| // it must go into any expressions using that parameter | |
| // hence, we zero junction.wcontext here, and later | |
| // in .process we would test that field | |
| // in decision "which wwrapper to use" | |
| VJunction& value=*new VJunction( | |
| get_self(), 0, | |
| method_frame, | |
| rcontext, | |
| opcode==OP::OP_EXPR_CODE__STORE_PARAM?0:wcontext, | |
| &local_ops); | |
| #ifndef USE_DESTRUCTORS | |
| if (opcode!=OP::OP_EXPR_CODE__STORE_PARAM) | |
| wcontext->attach_junction(&value); | |
| #endif | |
| // store param | |
| stack.push(value); | |
| break; | |
| } | |
| VMethodFrame *frame=NEW VMethodFrame(pool(), *junction); | case OP::OP_PREPARE_TO_EXPRESSION: |
| frame->set_name(junction->self.name()); | { |
| PUSH(frame); | wcontext->set_in_expression(true); |
| break; | break; |
| } | } |
| case OP_STORE_PARAM: | |
| #define METHOD_FRAME_ACTION(action) \ | |
| if(local_ops){ \ | |
| size_t first = stack.top_index(); \ | |
| execute(*local_ops); \ | |
| frame.store_params((Value**)stack.ptr(first), stack.top_index()-first); \ | |
| action; \ | |
| stack.set_top_index(first); \ | |
| } else { \ | |
| frame.empty_params(); \ | |
| action; \ | |
| } | |
| case OP::OP_CALL: | |
| { | { |
| Value *value=POP(); | ArrayOperation* local_ops=i.next().ops; |
| VMethodFrame *frame=static_cast<VMethodFrame *>(stack.top_value()); | |
| frame->store_param(value); | DEBUG_PRINT_OPS(local_ops) |
| DEBUG_PRINT_STR("->\n") | |
| Value& value=stack.pop().value(); | |
| Junction* junction=value.get_junction(); | |
| if(!junction) { | |
| if(value.is("void")) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "undefined method"); | |
| else | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "is '%s', not a method or junction, can not call it", | |
| value.type()); | |
| } | |
| VMethodFrame frame(*junction->method, method_frame, junction->self); | |
| METHOD_FRAME_ACTION(op_call(frame)); | |
| stack.push(frame.result().as_value()); | |
| DEBUG_PRINT_STR("<-returned") | |
| if(get_skip()) | |
| return; | |
| if(get_interrupted()) { | |
| set_interrupted(false); | |
| throw Exception("parser.interrupted", | |
| 0, | |
| "execution stopped"); | |
| } | |
| break; | break; |
| } | } |
| case OP_CALL: | case OP::OP_CALL__WRITE: |
| { | { |
| fprintf(stderr, "->\n"); | ArrayOperation* local_ops=i.next().ops; |
| VMethodFrame *frame=static_cast<VMethodFrame *>(POP()); | |
| frame->fill_unspecified_params(); | DEBUG_PRINT_OPS(local_ops) |
| PUSH(self); | DEBUG_PRINT_STR("->\n") |
| PUSH(root); | |
| PUSH(rcontext); | |
| PUSH(wcontext); | |
| VClass *called_class=frame->junction.self.get_class(); | |
| // is context object or class & is it my class or my parent's class? | |
| VClass *read_class=rcontext->get_class(); | |
| if(read_class && read_class->is_or_derived_from(*called_class)) // yes | |
| self=rcontext; // class dynamic call | |
| else // no, not me or relative of mine (total stranger) | |
| if(wcontext->constructing()) { // constructing? | |
| // yes, constructor call: $some(^class:method(..)) | |
| self=NEW VObject(*called_class); | |
| frame->write(*self); | |
| } else | |
| self=&frame->junction.self; // no, static or simple dynamic call | |
| frame->set_self(*self); | Value& value=stack.pop().value(); |
| root=rcontext=wcontext=frame; | |
| Junction* junction=value.get_junction(); | |
| if(!junction) { | |
| if(value.is("void")) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "undefined method"); | |
| else | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "is '%s', not a method or junction, can not call it", | |
| value.type()); | |
| } | |
| #ifdef OPTIMIZE_CALL | |
| const Method& method=*junction->method; | |
| if(method.call_optimization==Method::CO_WITHOUT_FRAME){ | |
| if(local_ops){ // store param code goes here | |
| size_t first = stack.top_index(); | |
| execute(*local_ops); | |
| MethodParams method_params; | |
| method_params.store_params((Value**)stack.ptr(first), stack.top_index()-first); | |
| method.check_actual_numbered_params(junction->self, &method_params); | |
| method.native_code(*this, method_params); // execute it | |
| stack.set_top_index(first); | |
| } else { | |
| MethodParams method_params; | |
| method.check_actual_numbered_params(junction->self, &method_params); | |
| method.native_code(*this, method_params); // execute it | |
| } | |
| } else if(method.call_optimization==Method::CO_WITHOUT_WCONTEXT){ | |
| VMethodFrame frame(method, method_frame, junction->self); | |
| METHOD_FRAME_ACTION(op_call_write(frame)); | |
| } else | |
| #endif // OPTIMIZE_CALL | |
| { | { |
| // take object or class from any wrappers | VMethodFrame frame(method, method_frame, junction->self); |
| VAliased *aliased=self->get_aliased(); | METHOD_FRAME_ACTION(op_call(frame)); |
| // substitute class alias to the class they are called AS | write_pass_lang(frame.result()); |
| Temp_alias temp_alias(*aliased, *frame->junction.vclass); | } |
| Method& method=*frame->junction.method; | |
| if(method.native_code) // native code? | |
| (*method.native_code)(*this, frame->numbered_params()); // execute it | |
| else // parser code | |
| execute(*method.parser_code); // execute it | |
| } | |
| Value *value=wcontext->result(); | |
| wcontext=static_cast<WContext *>(POP()); | |
| rcontext=POP(); | |
| root=POP(); | |
| self=static_cast<VAliased *>(POP()); | |
| PUSH(value); | DEBUG_PRINT_STR("<-returned") |
| fprintf(stderr, "<-returned"); | |
| if(get_skip()) | |
| return; | |
| if(get_interrupted()) { | |
| set_interrupted(false); | |
| throw Exception("parser.interrupted", | |
| 0, | |
| "execution stopped"); | |
| } | |
| break; | |
| } | |
| case OP::OP_CONSTRUCT_OBJECT: | |
| case OP::OP_CONSTRUCT_OBJECT__WRITE: | |
| { | |
| debug_origin=i.next().origin; | |
| Value& vclass_name=*i.next().value; | |
| const String& class_name=*vclass_name.get_string(); debug_name=&class_name; | |
| DEBUG_PRINT_STRING(class_name) | |
| Value* class_value=get_class(class_name); | |
| if(!class_value) | |
| throw Exception(PARSER_RUNTIME, | |
| &class_name, | |
| "class is undefined"); | |
| debug_origin=i.next().origin; | |
| Value& vconstructor_name=*i.next().value; | |
| const String& constructor_name=*vconstructor_name.get_string(); debug_name=&constructor_name; | |
| DEBUG_PRINT_STRING(constructor_name) | |
| Junction* constructor_junction=get_element(*class_value, constructor_name).get_junction(); | |
| if(!constructor_junction) | |
| throw Exception(PARSER_RUNTIME, | |
| &constructor_name, | |
| "constructor must be declared in class '%s'", | |
| class_value->get_class()->name_cstr()); | |
| ArrayOperation* local_ops=i.next().ops; | |
| DEBUG_PRINT_OPS(local_ops) | |
| DEBUG_PRINT_STR("->\n") | |
| Value &object=construct(*class_value, *constructor_junction->method); | |
| VConstructorFrame frame(*constructor_junction->method, method_frame, object); | |
| METHOD_FRAME_ACTION(op_call(frame)); | |
| object.enable_default_setter(); | |
| if(opcode==OP::OP_CONSTRUCT_OBJECT) | |
| stack.push(frame.result().as_value()); | |
| else | |
| write_pass_lang(frame.result()); | |
| DEBUG_PRINT_STR("<-returned") | |
| break; | break; |
| } | } |
| // expression ops: unary | // expression ops: unary |
| case OP_NEG: | case OP::OP_NEG: |
| { | { |
| Value *operand=POP(); | Value& a=stack.pop().value(); |
| Value *value=NEW VDouble(pool(), | Value& value=*new VDouble(-a.as_double()); |
| -operand->get_double()); | stack.push(value); |
| PUSH(value); | |
| break; | break; |
| } | } |
| case OP_INV: | case OP::OP_INV: |
| { | { |
| Value *operand=POP(); | Value& a=stack.pop().value(); |
| Value *value=NEW VDouble(pool(), | Value& value=*new VDouble(~a.as_int()); |
| ~static_cast<int>(operand->get_double())); | stack.push(value); |
| PUSH(value); | |
| break; | break; |
| } | } |
| case OP_NOT: | case OP::OP_NOT: |
| { | { |
| Value *operand=POP(); | Value& a=stack.pop().value(); |
| Value *value=NEW VBool(pool(), !operand->get_bool()); | Value& value=VBool::get(!a.as_bool()); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_DEF: | case OP::OP_DEF: |
| { | { |
| Value *operand=POP(); | Value& a=stack.pop().value(); |
| Value *value=NEW VBool(pool(), operand->get_defined()); | Value& value=VBool::get(a.is_defined()); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_IN: | case OP::OP_IN: |
| { | { |
| Value *operand=POP(); | Value& a=stack.pop().value(); |
| Value *value=NEW VBool(pool(), true/*TODO*/); | const String& path=a.as_string(); |
| PUSH(value); | Value& value=VBool::get(request_info.uri && *request_info.uri && path.this_starts(request_info.uri)); |
| stack.push(value); | |
| break; | break; |
| } | } |
| case OP_FEXISTS: | case OP::OP_FEXISTS: |
| { | { |
| Value *operand=POP(); | Value& a=stack.pop().value(); |
| Value *value=NEW VBool(pool(), true/*TODO*/); | Value& value=VBool::get(file_exist(absolute(a.as_string()))); |
| PUSH(value); | stack.push(value); |
| break; | |
| } | |
| case OP::OP_DEXISTS: | |
| { | |
| Value& a=stack.pop().value(); | |
| Value& value=VBool::get(dir_exists(absolute(a.as_string()))); | |
| stack.push(value); | |
| break; | break; |
| } | } |
| // expression ops: binary | // expression ops: binary |
| case OP_SUB: | case OP::OP_SUB: |
| { | |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | |
| Value& value=*new VDouble(a.as_double() - b.as_double()); | |
| stack.push(value); | |
| break; | |
| } | |
| case OP::OP_ADD: | |
| { | |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | |
| Value& value=*new VDouble(a.as_double() + b.as_double()); | |
| stack.push(value); | |
| break; | |
| } | |
| case OP::OP_MUL: | |
| { | |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | |
| Value& value=*new VDouble(a.as_double() * b.as_double()); | |
| stack.push(value); | |
| break; | |
| } | |
| case OP::OP_DIV: | |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value *value=NEW VDouble(pool(), | |
| a->get_double() - b->get_double()); | double a_double=a.as_double(); |
| PUSH(value); | double b_double=b.as_double(); |
| if(b_double == 0) { | |
| //const String* problem_source=b.as_string(); | |
| throw Exception("number.zerodivision", | |
| 0, //problem_source, | |
| "Division by zero"); | |
| } | |
| Value& value=*new VDouble(a_double / b_double); | |
| stack.push(value); | |
| break; | break; |
| } | } |
| case OP_ADD: | case OP::OP_MOD: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value *value=NEW VDouble(pool(), | |
| a->get_double() + b->get_double()); | double a_double=a.as_double(); |
| PUSH(value); | double b_double=b.as_double(); |
| if(b_double == 0) { | |
| //const String* problem_source=b.as_string(); | |
| throw Exception("number.zerodivision", | |
| 0, //problem_source, | |
| "Modulus by zero"); | |
| } | |
| Value& value=*new VDouble(fmod(a_double, b_double)); | |
| stack.push(value); | |
| break; | |
| } | |
| case OP::OP_INTDIV: | |
| { | |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | |
| int a_int=a.as_int(); | |
| int b_int=b.as_int(); | |
| if(b_int == 0) { | |
| //const String* problem_source=b.as_string(); | |
| throw Exception("number.zerodivision", | |
| 0, //problem_source, | |
| "Division by zero"); | |
| } | |
| Value& value=*new VInt(a_int / b_int); | |
| stack.push(value); | |
| break; | break; |
| } | } |
| case OP_MUL: | case OP::OP_BIN_SL: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value *value=NEW VDouble(pool(), | Value& value=*new VInt( |
| a->get_double() * b->get_double()); | a.as_int() << |
| PUSH(value); | b.as_int()); |
| stack.push(value); | |
| break; | break; |
| } | } |
| case OP_DIV: | case OP::OP_BIN_SR: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value *value=NEW VDouble(pool(), | Value& value=*new VInt( |
| a->get_double() / b->get_double()); | a.as_int() >> |
| PUSH(value); | b.as_int()); |
| stack.push(value); | |
| break; | break; |
| } | } |
| case OP_MOD: | case OP::OP_BIN_AND: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value *value=NEW VDouble(pool(), | Value& value=*new VInt( |
| static_cast<int>(a->get_double()) % | a.as_int() & |
| static_cast<int>(b->get_double())); | b.as_int()); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_BIN_AND: | case OP::OP_BIN_OR: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value *value=NEW VDouble(pool(), | Value& value=*new VInt( |
| static_cast<int>(a->get_double()) & | a.as_int() | |
| static_cast<int>(b->get_double())); | b.as_int()); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_BIN_OR: | case OP::OP_BIN_XOR: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value *value=NEW VDouble(pool(), | Value& value=*new VInt( |
| static_cast<int>(a->get_double()) | | a.as_int() ^ |
| static_cast<int>(b->get_double())); | b.as_int()); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_BIN_XOR: | case OP::OP_LOG_AND: |
| { | { |
| Value *b=POP(); Value *a=POP(); | ArrayOperation& local_ops=stack.pop().ops(); Value& a=stack.pop().value(); |
| Value *value=NEW VDouble(pool(), | bool result; |
| static_cast<int>(a->get_double()) ^ | if(a.as_bool()) { |
| static_cast<int>(b->get_double())); | execute(local_ops); |
| PUSH(value); | Value& b=stack.pop().value(); |
| result=b.as_bool(); | |
| } else | |
| result=false; | |
| Value& value=VBool::get(result); | |
| stack.push(value); | |
| break; | break; |
| } | } |
| case OP_LOG_AND: | case OP::OP_LOG_OR: |
| { | { |
| Value *b=POP(); Value *a=POP(); | ArrayOperation& local_ops=stack.pop().ops(); Value& a=stack.pop().value(); |
| Value *value=NEW VBool(pool(), a->get_bool() && b->get_bool()); | bool result; |
| PUSH(value); | if(a.as_bool()) |
| result=true; | |
| else { | |
| execute(local_ops); | |
| Value& b=stack.pop().value(); | |
| result=b.as_bool(); | |
| } | |
| Value& value=VBool::get(result); | |
| stack.push(value); | |
| break; | break; |
| } | } |
| case OP_LOG_OR: | case OP::OP_LOG_XOR: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value *value=NEW VBool(pool(), a->get_bool() || b->get_bool()); | Value& value=VBool::get(a.as_bool() ^ b.as_bool()); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_LOG_XOR: | case OP::OP_NUM_LT: |
| { | { |
| Value *b=POP(); Value *a=POP(); | volatile double b_double=stack.pop().value().as_double(); |
| Value *value=NEW VBool(pool(), a->get_bool() ^ b->get_bool()); | volatile double a_double=stack.pop().value().as_double(); |
| PUSH(value); | Value& value=VBool::get(a_double<b_double); |
| stack.push(value); | |
| break; | break; |
| } | } |
| case OP_NUM_LT: | case OP::OP_NUM_GT: |
| { | { |
| Value *b=POP(); Value *a=POP(); | volatile double b_double=stack.pop().value().as_double(); |
| Value *value=NEW VBool(pool(), a->get_double() < b->get_double()); | volatile double a_double=stack.pop().value().as_double(); |
| PUSH(value); | Value& value=VBool::get(a_double>b_double); |
| stack.push(value); | |
| break; | break; |
| } | } |
| case OP_NUM_GT: | case OP::OP_NUM_LE: |
| { | { |
| Value *b=POP(); Value *a=POP(); | volatile double b_double=stack.pop().value().as_double(); |
| Value *value=NEW VBool(pool(), a->get_double() > b->get_double()); | volatile double a_double=stack.pop().value().as_double(); |
| PUSH(value); | Value& value=VBool::get(a_double<=b_double); |
| stack.push(value); | |
| break; | break; |
| } | } |
| case OP_NUM_LE: | case OP::OP_NUM_GE: |
| { | { |
| Value *b=POP(); Value *a=POP(); | volatile double b_double=stack.pop().value().as_double(); |
| Value *value=NEW VBool(pool(), a->get_double() <= b->get_double()); | volatile double a_double=stack.pop().value().as_double(); |
| PUSH(value); | Value& value=VBool::get(a_double>=b_double); |
| stack.push(value); | |
| break; | break; |
| } | } |
| case OP_NUM_GE: | case OP::OP_NUM_EQ: |
| { | { |
| Value *b=POP(); Value *a=POP(); | volatile double b_double=stack.pop().value().as_double(); |
| Value *value=NEW VBool(pool(), a->get_double() >= b->get_double()); | volatile double a_double=stack.pop().value().as_double(); |
| PUSH(value); | Value& value=VBool::get(a_double==b_double); |
| stack.push(value); | |
| break; | break; |
| } | } |
| case OP_NUM_EQ: | case OP::OP_NUM_NE: |
| { | { |
| Value *b=POP(); Value *a=POP(); | volatile double b_double=stack.pop().value().as_double(); |
| Value *value=NEW VBool(pool(), a->get_double() == b->get_double()); | volatile double a_double=stack.pop().value().as_double(); |
| PUSH(value); | Value& value=VBool::get(a_double!=b_double); |
| stack.push(value); | |
| break; | break; |
| } | } |
| case OP_NUM_NE: | case OP::OP_STR_LT: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value *value=NEW VBool(pool(), a->get_double() != b->get_double()); | Value& value=VBool::get(a.as_string() < b.as_string()); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_STR_LT: | case OP::OP_STR_GT: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value *value=NEW VBool(pool(), a->as_string() < b->as_string()); | Value& value=VBool::get(a.as_string() > b.as_string()); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_STR_GT: | case OP::OP_STR_LE: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value *value=NEW VBool(pool(), a->as_string() > b->as_string()); | Value& value=VBool::get(a.as_string() <= b.as_string()); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_STR_LE: | case OP::OP_STR_GE: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value *value=NEW VBool(pool(), a->as_string() <= b->as_string()); | Value& value=VBool::get(a.as_string() >= b.as_string()); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_STR_GE: | case OP::OP_STR_EQ: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value *value=NEW VBool(pool(), a->as_string() >= b->as_string()); | Value& value=VBool::get(a.as_string() == b.as_string()); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_STR_EQ: | case OP::OP_STR_NE: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value *value=NEW VBool(pool(), a->as_string() == b->as_string()); | Value& value=VBool::get(a.as_string() != b.as_string()); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_STR_NE: | case OP::OP_IS: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value *value=NEW VBool(pool(), a->as_string() != b->as_string()); | Value& value=VBool::get(a.is(b.as_string().cstr())); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| default: | default: |
| THROW(0,0, | throw Exception(0, |
| 0, | 0, |
| "unhandled '%s' opcode", opcode_name[op.code]); | "invalid opcode %d", opcode); |
| } | } |
| fprintf(stderr, "\n"); | } |
| } catch(const Exception&) { | |
| // record it to stack trace | |
| if(debug_name) | |
| exception_trace.push(Trace(debug_name, debug_origin)); | |
| rethrow; | |
| } | } |
| } | } |
| Value *Request::get_element() { | #define SAVE_CONTEXT \ |
| String& name=POP_NAME(); | VMethodFrame *saved_method_frame=method_frame; \ |
| Value *ncontext=POP(); | Value* saved_rcontext=rcontext; \ |
| Value *value=ncontext->get_element(name); | WContext *saved_wcontext=wcontext; |
| if(value) | #define RESTORE_CONTEXT \ |
| value=&autocalc(*value); // autocalc possible code-junction | wcontext=saved_wcontext; \ |
| else { | rcontext=saved_rcontext; \ |
| value=NEW VUnknown(pool()); | method_frame=saved_method_frame; |
| value->set_name(name); | |
| } | |
| Value& Request::construct(Value &class_value, const Method &method){ | |
| VStateless_class& called_class=*class_value.get_class(); | |
| if(method.call_type!=Method::CT_STATIC) { | |
| // this is a constructor call | |
| if(Value* result=called_class.create_new_value(fpool)) { | |
| // some stateless_class creatable derivates | |
| return *result; | |
| } else | |
| throw Exception(PARSER_RUNTIME, | |
| 0, //&frame.name(), | |
| "is not a constructor, system class '%s' can be constructed only implicitly", | |
| called_class.name().cstr()); | |
| } else | |
| throw Exception(PARSER_RUNTIME, | |
| 0, //&frame.name(), | |
| "method is static and can not be used as constructor"); | |
| } | |
| void Request::op_call(VMethodFrame& frame){ | |
| // see OP_PREPARE_TO_EXPRESSION | |
| frame.set_in_expression(wcontext->get_in_expression()); | |
| SAVE_CONTEXT | |
| rcontext=wcontext=method_frame=&frame; | |
| return value; | Value& self=frame.self(); |
| const Method& method=frame.method; | |
| Method::Call_type call_type=self.get_class()==&self ? Method::CT_STATIC : Method::CT_DYNAMIC; | |
| if(method.call_type==Method::CT_ANY || method.call_type==call_type) { // allowed call type? | |
| if(method.native_code) { // native code? | |
| method.check_actual_numbered_params(self, frame.numbered_params()); | |
| method.native_code(*this, *frame.numbered_params()); // execute it | |
| } else // parser code, execute it | |
| recoursion_checked_execute(*method.parser_code); | |
| } else | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "is not allowed to be called %s", | |
| call_type==Method::CT_STATIC?"statically":"dynamically"); | |
| RESTORE_CONTEXT | |
| } | } |
| Value& Request::autocalc(Value& value, bool make_string) { | void Request::op_call_write(VMethodFrame& frame){ |
| Junction *junction=value.get_junction(); | VMethodFrame *saved_method_frame=method_frame; |
| if(junction && junction->code) { // is it a code-junction? | Value* saved_rcontext=rcontext; |
| // autocalc it | |
| fprintf(stderr, "ja->\n"); | rcontext=&frame; |
| PUSH(self); | method_frame=&frame; |
| PUSH(root); | |
| PUSH(rcontext); | Value& self=frame.self(); |
| PUSH(wcontext); | const Method& method=frame.method; |
| Method::Call_type call_type=self.get_class()==&self ? Method::CT_STATIC : Method::CT_DYNAMIC; | |
| WContext *frame; | |
| if(make_string) { | if(method.call_type==Method::CT_ANY || method.call_type==call_type) { // allowed call type? |
| // almost plain wwrapper about junction wcontext, | if(method.native_code) { // native code? |
| // BUT intercepts string writes | method.check_actual_numbered_params(self, frame.numbered_params()); |
| frame=NEW VCodeFrame(pool(), *junction->wcontext); | method.native_code(*this, *frame.numbered_params()); // execute it |
| } else { | } else // parser code, execute it |
| // plain wwrapper | recoursion_checked_execute(*method.parser_code); |
| frame=NEW WWrapper(pool(), 0 /* empty */, false /*not constructing*/); | } else |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "is not allowed to be called %s", | |
| call_type==Method::CT_STATIC?"statically":"dynamically"); | |
| rcontext=saved_rcontext; | |
| method_frame=saved_method_frame; | |
| } | |
| Value& Request::get_element(Value& ncontext, const String& name) { | |
| if(wcontext->get_somebody_entered_some_class()) // ^class:method | |
| if(VStateless_class *called_class=ncontext.get_class()) | |
| if(VStateless_class *read_class=rcontext->get_class()) | |
| if(read_class->derived_from(*called_class)){ // current derived from called | |
| Value *value=called_class->get_element(get_self(), name); | |
| return *(value ? &process_to_value(*value) : VVoid::get()); | |
| } | |
| Value* value=ncontext.get_element(name); | |
| return *(value ? &process_to_value(*value) : VVoid::get()); | |
| } | |
| void Request::put_element(Value& ncontext, const String& name, Value* value) { | |
| // put_element can return property-setting-junction | |
| if(const VJunction* vjunction=ncontext.put_element(name, value, false)) | |
| if(vjunction!=PUT_ELEMENT_REPLACED_ELEMENT) { | |
| const Junction& junction = vjunction->junction(); | |
| VConstructorFrame frame(*junction.method, method_frame /*caller*/, junction.self); | |
| size_t param_count=frame.method_params_count(); | |
| if(junction.auto_name){ | |
| // default setter | |
| if(param_count!=2) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "default setter method must have TWO parameters (has %d parameters)", param_count); | |
| Value* params[2] = { new VString(*junction.auto_name), value }; | |
| frame.store_params(params, 2); | |
| Temp_disable_default_setter temp(junction.self); | |
| execute_method(frame); | |
| } else { | |
| // setter | |
| if(param_count!=1) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "setter method must have ONE parameter (has %d parameters)", param_count); | |
| frame.store_params(&value, 1); | |
| execute_method(frame); | |
| } | |
| } | } |
| } | |
| StringOrValue Request::process_getter(Junction& junction) { | |
| VMethodFrame frame(*junction.method, method_frame/*caller*/, junction.self); | |
| size_t param_count=frame.method_params_count(); | |
| if(junction.auto_name){ | |
| // default getter | |
| Value *param; | |
| if(param_count){ | |
| if(param_count>1) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "default getter method can't have more then 1 parameter (has %d parameters)", param_count); | |
| param=new VString(*junction.auto_name); | |
| frame.store_params(¶m, 1); | |
| } // no need for else frame.empty_params() | |
| Temp_disable_default_getter temp(junction.self); | |
| execute_method(frame); | |
| } else { | |
| // getter | |
| if(param_count!=0) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "getter method must have no parameters (has %d parameters)", param_count); | |
| wcontext=frame; | // no need for frame.empty_params() |
| self=&junction->self; | execute_method(frame); |
| root=junction->root; | } |
| rcontext=junction->rcontext; | |
| execute(*junction->code); | return frame.result(); |
| Value *result; | } |
| if(make_string) { | |
| // CodeFrame soul: | /** @param intercept_string |
| // string writes were intercepted | - true: |
| // returning them as the result of getting code-junction | they want result=string value, |
| result=NEW VString(*frame->get_string()); | possible object result goes to wcontext |
| } else | - false: |
| result=frame->result(); | they want any result[string|object] |
| nothing goes to wcontext. | |
| wcontext=static_cast<WContext *>(POP()); | used in @c (expression) params evaluation |
| rcontext=POP(); | |
| root=POP(); | using the fact it's either string_ or value_ result requested to speed up checkes |
| self=static_cast<VAliased *>(POP()); | */ |
| fprintf(stderr, "<-ja returned"); | StringOrValue Request::process(Value& input_value, bool intercept_string) { |
| return *result; | Junction* junction=input_value.get_junction(); |
| } else | if(junction) { |
| return value; | if(junction->is_getter) { // is it a getter-junction? |
| return process_getter(*junction); | |
| } | |
| if(junction->code) { // is it a code-junction? | |
| // process it | |
| StringOrValue result; | |
| DEBUG_PRINT_STR("ja->\n") | |
| if(!junction->method_frame) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "junction used outside of context"); | |
| SAVE_CONTEXT | |
| method_frame=junction->method_frame; | |
| rcontext=junction->rcontext; | |
| // for expression method params | |
| // wcontext is set 0 | |
| // using the fact in decision "which wwrapper to use" | |
| bool using_code_frame=intercept_string && junction->wcontext; | |
| if(using_code_frame) { | |
| // almost plain wwrapper about junction wcontext | |
| VCodeFrame local(*junction->wcontext); | |
| wcontext=&local; | |
| // execute it | |
| recoursion_checked_execute(*junction->code); | |
| // CodeFrame soul: | |
| result=wcontext->result(); | |
| } else { | |
| // plain wwrapper | |
| WWrapper local(wcontext); | |
| wcontext=&local; | |
| // execute it | |
| recoursion_checked_execute(*junction->code); | |
| result=wcontext->result(); | |
| } | |
| RESTORE_CONTEXT | |
| DEBUG_PRINT_STR("<-ja returned") | |
| return result; | |
| } | |
| // it is then method-junction, do not explode it | |
| // just return it as we do for usual objects | |
| } | |
| return input_value; | |
| } | |
| void Request::process_write(Value& input_value) { | |
| Junction* junction=input_value.get_junction(); | |
| if(junction) { | |
| if(junction->is_getter) { // is it a getter-junction? | |
| write_pass_lang(process_getter(*junction)); | |
| return; | |
| } | |
| if(junction->code) { // is it a code-junction? | |
| // process it | |
| DEBUG_PRINT_STR("ja->\n") | |
| if(!junction->method_frame) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "junction used outside of context"); | |
| SAVE_CONTEXT | |
| method_frame=junction->method_frame; | |
| rcontext=junction->rcontext; | |
| // for expression method params | |
| // wcontext is set 0 | |
| // using the fact in decision "which wwrapper to use" | |
| #ifdef OPTIMIZE_CALL | |
| if(wcontext==junction->wcontext){ | |
| // no wrappers for wcontext | |
| recoursion_checked_execute(*junction->code); | |
| RESTORE_CONTEXT | |
| } else | |
| #endif | |
| if(junction->wcontext) { | |
| // almost plain wwrapper about junction wcontext | |
| VCodeFrame local(*junction->wcontext); | |
| wcontext=&local; | |
| // execute it | |
| recoursion_checked_execute(*junction->code); | |
| RESTORE_CONTEXT | |
| write_pass_lang(local.result()); | |
| } else { | |
| // plain wwrapper | |
| WWrapper local(wcontext); | |
| wcontext=&local; | |
| // execute it | |
| recoursion_checked_execute(*junction->code); | |
| RESTORE_CONTEXT | |
| write_pass_lang(local.result()); | |
| } | |
| DEBUG_PRINT_STR("<-ja returned") | |
| return; | |
| } | |
| // it is then method-junction, do not explode it | |
| // just return it as we do for usual objects | |
| } | |
| write_pass_lang(input_value); | |
| } | } |
| void Request::execute_method(VMethodFrame& aframe) { | |
| SAVE_CONTEXT | |
| // initialize contexts | |
| rcontext=wcontext=method_frame=&aframe; | |
| // execute! | |
| recoursion_checked_execute(*aframe.method.parser_code); | |
| RESTORE_CONTEXT | |
| } | |
| const String* Request::execute_method(Value& aself, | |
| const Method& method, Value* optional_param, | |
| bool do_return_string) { | |
| VMethodFrame local_frame(method, method_frame/*caller*/, aself); | |
| if(optional_param && local_frame.method_params_count()>0) { | |
| local_frame.store_params(&optional_param, 1); | |
| } else { | |
| local_frame.empty_params(); | |
| } | |
| // prevent non-string writes for better error reporting | |
| if(do_return_string) | |
| local_frame.write(local_frame); | |
| execute_method(local_frame); | |
| return do_return_string ? local_frame.get_string() : 0; | |
| } | |
| Request::Execute_nonvirtual_method_result | |
| Request::execute_nonvirtual_method(VStateless_class& aclass, | |
| const String& method_name, | |
| VString* optional_param, | |
| bool do_return_string) { | |
| Execute_nonvirtual_method_result result; | |
| result.method=aclass.get_method(method_name); | |
| if(result.method) | |
| result.string=execute_method(aclass, *result.method, optional_param, do_return_string); | |
| return result; | |
| } | |
| const String* Request::execute_virtual_method(Value& aself, | |
| const String& method_name) { | |
| if(Value* value=aself.get_element(method_name)) | |
| if(Junction* junction=value->get_junction()) | |
| if(const Method *method=junction->method) | |
| return execute_method(aself, *method, 0/*no params*/, true); | |
| return 0; | |
| } | |
| const String* Request::get_method_filename(const Method* method){ | |
| if(ArrayOperation* code=method->parser_code) | |
| if(code){ | |
| Operation::Origin origin={0, 0, 0}; | |
| Array_iterator<Operation> i(*code); | |
| while( i.has_next() ){ | |
| switch( i.next().code ){ | |
| case OP::OP_CURLY_CODE__STORE_PARAM: | |
| case OP::OP_EXPR_CODE__STORE_PARAM: | |
| case OP::OP_CURLY_CODE__CONSTRUCT: | |
| case OP::OP_NESTED_CODE: | |
| case OP::OP_OBJECT_POOL: | |
| case OP::OP_STRING_POOL: | |
| case OP::OP_CALL: | |
| case OP::OP_CALL__WRITE: | |
| { | |
| i.next(); // skip local ops | |
| i.next(); // skip next opcode | |
| // continue execution | |
| } | |
| case OP::OP_CONSTRUCT_OBJECT: | |
| case OP::OP_CONSTRUCT_OBJECT__WRITE: | |
| case OP::OP_VALUE: | |
| case OP::OP_STRING__WRITE: | |
| case OP::OP_VALUE__GET_CLASS: | |
| #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT | |
| case OP::OP_GET_OBJECT_ELEMENT: | |
| case OP::OP_GET_OBJECT_ELEMENT__WRITE: | |
| #endif | |
| #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT | |
| case OP::OP_GET_OBJECT_VAR_ELEMENT: | |
| case OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE: | |
| #endif | |
| #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT | |
| case OP::OP_VALUE__GET_ELEMENT: | |
| case OP::OP_VALUE__GET_ELEMENT__WRITE: | |
| case OP::OP_VALUE__GET_ELEMENT_OR_OPERATOR: | |
| case OP::OP_WITH_ROOT__VALUE__GET_ELEMENT: | |
| #endif | |
| #ifdef OPTIMIZE_BYTECODE_GET_SELF_ELEMENT | |
| case OP::OP_WITH_SELF__VALUE__GET_ELEMENT: | |
| case OP::OP_WITH_SELF__VALUE__GET_ELEMENT__WRITE: | |
| #endif | |
| #ifdef OPTIMIZE_BYTECODE_CONSTRUCT | |
| case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_EXPR: | |
| case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_VALUE: | |
| case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_EXPR: | |
| case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_VALUE: | |
| case OP::OP_WITH_SELF__VALUE__CONSTRUCT_EXPR: | |
| case OP::OP_WITH_SELF__VALUE__CONSTRUCT_VALUE: | |
| #endif | |
| { | |
| origin=i.next().origin; | |
| break; | |
| } | |
| } | |
| if(origin.file_no) | |
| return get_used_filename(origin.file_no); | |
| } | |
| } | |
| return 0; | |
| } | |