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| version 1.73, 2001/03/08 15:15:46 | version 1.158, 2001/05/17 09:21:55 |
|---|---|
| Line 1 | Line 1 |
| /* | /** @file |
| $Id$ | Parser: executor part of request class. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| $Id$ | |
| */ | */ |
| #include "pa_config_includes.h" | |
| #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_vunknown.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" | |
| //#define DEBUG_EXECUTE | |
| #include <stdio.h> | |
| #define PUSH(value) stack.push(value) | #define PUSH(value) stack.push(value) |
| #define POP() static_cast<Value *>(stack.pop()) | #define POP() static_cast<Value *>(stack.pop()) |
| #define POP_NAME() static_cast<Value *>(stack.pop())->as_string() | #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", |
| // actions | // actions |
| "WITH_SELF", "WITH_ROOT", "WITH_READ", "WITH_WRITE", | "WITH_SELF", "WITH_ROOT", "WITH_READ", "WITH_WRITE", |
| "GET_CLASS", | "GET_CLASS", |
| "CONSTRUCT", | "CONSTRUCT_VALUE", "CONSTRUCT_DOUBLE", |
| "WRITE", | "WRITE_VALUE", "WRITE_EXPR_RESULT", "STRING__WRITE", |
| "GET_ELEMENT", "GET_ELEMENT__WRITE", | "GET_ELEMENT", "GET_ELEMENT__WRITE", |
| "CREATE_EWPOOL", "REDUCE_EWPOOL", | "CREATE_EWPOOL", "REDUCE_EWPOOL", |
| "CREATE_RWPOOL", "REDUCE_RWPOOL", | "CREATE_RWPOOL", "REDUCE_RWPOOL", |
| Line 39 char *opcode_name[]={ | Line 50 char *opcode_name[]={ |
| "CALL", | "CALL", |
| // 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", |
| "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) { | void va_debug_printf(Pool& pool, const char *fmt,va_list args) { |
| if(0){ | char buf[MAX_STRING]; |
| int size=ops.size(); | vsnprintf(buf, MAX_STRING, fmt, args); |
| //fprintf(stderr, "size=%d\n", size); | SAPI::log(pool, "%s", buf); |
| } | |
| void debug_printf(Pool& pool, const char *fmt, ...) { | |
| va_list args; | |
| va_start(args,fmt); | |
| va_debug_printf(pool,fmt,args); | |
| va_end(args); | |
| } | |
| void debug_dump(Pool& pool, int level, const Array& ops) { | |
| { | |
| int size=ops.quick_size(); | |
| //debug_printf(pool, "size=%d\n", size); | |
| for(int i=0; i<size; i++) { | for(int i=0; i<size; i++) { |
| Operation op; | Operation op; |
| op.cast=ops.quick_get(i); | op.cast=ops.quick_get(i); |
| fprintf(stderr, "%8X\n", op.cast); | debug_printf(pool, "%8X\n", op.cast); |
| } | } |
| } | } |
| int size=ops.size(); | int size=ops.quick_size(); |
| //fprintf(stderr, "size=%d\n", size); | //debug_printf(pool, "size=%d\n", size); |
| for(int i=0; i<size; i++) { | for(int i=0; i<size; i++) { |
| Operation op; | Operation op; |
| op.cast=ops.quick_get(i); | op.cast=ops.quick_get(i); |
| fprintf(stderr, "%*s%s", level*4, "", opcode_name[op.code]); | |
| if(op.code==OP_VALUE) { | if(op.code==OP_VALUE || op.code==OP_STRING__WRITE) { |
| Value *value=static_cast<Value *>(ops.quick_get(++i)); | Value *value=static_cast<Value *>(ops.quick_get(++i)); |
| fprintf(stderr, " \"%s\" %s", value->get_string()->cstr(), value->type()); | debug_printf(pool, |
| "%*s%s" | |
| " \"%s\" %s", | |
| level*4, "", opcode_name[op.code], | |
| value->get_string()->cstr(), value->type()); | |
| continue; | |
| } | } |
| fprintf(stderr, "\n"); | debug_printf(pool, "%*s%s", level*4, "", opcode_name[op.code]); |
| if(op.code==OP_CODE__STORE_PARAM) { | if(op.code==OP_CURLY_CODE__STORE_PARAM || op.code==OP_EXPR_CODE__STORE_PARAM) { |
| const Array *local_ops=reinterpret_cast<const Array *>(ops.quick_get(++i)); | const Array *local_ops=reinterpret_cast<const Array *>(ops.quick_get(++i)); |
| dump(level+1, *local_ops); | debug_dump(pool, level+1, *local_ops); |
| } | } |
| } | } |
| fflush(stderr); | |
| } | } |
| #endif | |
| void Request::execute(const Array& ops) { | void Request::execute(const Array& ops) { |
| if(1) { | #ifdef DEBUG_EXECUTE |
| fputs("source----------------------------\n", stderr); | debug_printf(pool(), "source----------------------------\n"); |
| dump(0, ops); | debug_dump(pool(), 0, ops); |
| fputs("execution-------------------------\n", stderr); | debug_printf(pool(), "execution-------------------------\n"); |
| } | #endif |
| int size=ops.size(); | int size=ops.quick_size(); |
| //fprintf(stderr, "size=%d\n", size); | //debug_printf(pool(), "size=%d\n", size); |
| for(int i=0; i<size; i++) { | for(int i=0; i<size; i++) { |
| Operation op; | Operation op; |
| op.cast=ops.quick_get(i); | op.cast=ops.quick_get(i); |
| fprintf(stderr, "%d:%s", stack.top_index(), opcode_name[op.code]); fflush(stderr); | #ifdef DEBUG_EXECUTE |
| debug_printf(pool(), "%d:%s", stack.top_index()+1, opcode_name[op.code]); | |
| #endif | |
| switch(op.code) { | switch(op.code) { |
| // param in next instruction | // param in next instruction |
| case OP_VALUE: | case OP_VALUE: |
| { | { |
| Value *value=static_cast<Value *>(ops.quick_get(++i)); | Value *value=static_cast<Value *>(ops.quick_get(++i)); |
| fprintf(stderr, " \"%s\" %s", value->get_string()->cstr(), value->type()); | #ifdef DEBUG_EXECUTE |
| debug_printf(pool(), " \"%s\" %s", value->get_string()->cstr(), value->type()); | |
| #endif | |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_CODE__STORE_PARAM: | case OP_CURLY_CODE__STORE_PARAM: |
| case OP_EXPR_CODE__STORE_PARAM: | |
| { | { |
| VMethodFrame *frame=static_cast<VMethodFrame *>(stack.top_value()); | VMethodFrame *frame=static_cast<VMethodFrame *>(stack.top_value()); |
| // code | // code |
| const Array *local_ops=reinterpret_cast<const Array *>(ops.quick_get(++i)); | const Array *local_ops=reinterpret_cast<const Array *>(ops.quick_get(++i)); |
| fprintf(stderr, " (%d)\n", local_ops->size()); | #ifdef DEBUG_EXECUTE |
| dump(1, *local_ops); | debug_printf(pool(), " (%d)\n", local_ops->size()); |
| debug_dump(pool(), 1, *local_ops); | |
| #endif | |
| // when they evaluate expression parameter, | |
| // the object expression result | |
| // 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" | |
| Junction& j=*NEW Junction(pool(), | Junction& j=*NEW Junction(pool(), |
| *self, 0, 0, | *self, 0, 0, |
| root, frame, frame, local_ops); | root, |
| rcontext, | |
| op.code==OP_EXPR_CODE__STORE_PARAM?0:wcontext, | |
| local_ops); | |
| Value *value=NEW VJunction(j); | Value *value=NEW VJunction(j); |
| value->set_name(frame->name()); | |
| // store param | // store param |
| frame->store_param(value); | frame->store_param(frame->name(), value); |
| break; | break; |
| } | } |
| case OP_GET_CLASS: | case OP_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) | |
| const String& name=POP_NAME(); | |
| Value *value=static_cast<Value *>(classes().get(name)); | |
| if(!value) | |
| THROW(0,0, | THROW(0,0, |
| &name, | &name, |
| ": undefined class"); | "class is undefined"); |
| PUSH(vclass); | PUSH(value); |
| break; | break; |
| } | } |
| Line 158 void Request::execute(const Array& ops) | Line 205 void Request::execute(const Array& ops) |
| } | } |
| // OTHER ACTIONS BUT WITHs | // OTHER ACTIONS BUT WITHs |
| case OP_CONSTRUCT: | case OP_CONSTRUCT_VALUE: |
| { | { |
| Value *value=POP(); | Value *value=POP(); |
| String& name=POP_NAME(); | const String& name=POP_NAME(); |
| Value *ncontext=POP(); | Value *ncontext=POP(); |
| value->set_name(name); | |
| ncontext->put_element(name, value); | ncontext->put_element(name, value); |
| value->set_name(name); | |
| break; | break; |
| } | } |
| case OP_WRITE: | case OP_CONSTRUCT_EXPR: |
| { | { |
| Value *value=POP(); | Value *value=POP(); |
| wcontext->write(*value); | const String& name=POP_NAME(); |
| Value *ncontext=POP(); | |
| ncontext->put_element(name, value->as_expr_result()); | |
| value->set_name(name); | |
| break; | |
| } | |
| case OP_WRITE_VALUE: | |
| { | |
| Value *value=POP(); | |
| write_assign_lang(*value); | |
| // forget the fact they've entered some ^object.method[]. | |
| // see OP_GET_ELEMENT | |
| wcontext->clear_somebody_entered_some_object(); | |
| break; | |
| } | |
| case OP_WRITE_EXPR_RESULT: | |
| { | |
| Value *value=POP(); | |
| write_expr_result(*value->as_expr_result()); | |
| break; | |
| } | |
| case OP_STRING__WRITE: | |
| { | |
| VString *vstring=static_cast<VString *>(ops.quick_get(++i)); | |
| #ifdef DEBUG_EXECUTE | |
| debug_printf(pool(), " \"%s\"", vstring->string().cstr()); | |
| #endif | |
| write_no_lang(vstring->string()); | |
| break; | break; |
| } | } |
| case OP_GET_ELEMENT: | case OP_GET_ELEMENT: |
| { | { |
| // maybe they do ^object.method[] call, remember the fact | |
| wcontext->inc_somebody_entered_some_object(); | |
| Value *value=get_element(); | Value *value=get_element(); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| Line 184 void Request::execute(const Array& ops) | Line 262 void Request::execute(const Array& ops) |
| case OP_GET_ELEMENT__WRITE: | case OP_GET_ELEMENT__WRITE: |
| { | { |
| Value *value=get_element(); | Value *value=get_element(); |
| wcontext->write(*value); | write_assign_lang(*value); |
| break; | break; |
| } | } |
| Line 192 void Request::execute(const Array& ops) | Line 270 void Request::execute(const Array& ops) |
| case OP_CREATE_EWPOOL: | case OP_CREATE_EWPOOL: |
| { | { |
| PUSH(wcontext); | PUSH(wcontext); |
| wcontext=NEW WWrapper(pool(), 0 /* empty */, true /* constructing */); | PUSH((void *)flang); |
| flang=String::UL_PASS_APPENDED; | |
| wcontext=NEW WWrapper(pool(), 0 /*empty*/, true /*constructing*/); | |
| break; | break; |
| } | } |
| case OP_REDUCE_EWPOOL: | case OP_REDUCE_EWPOOL: |
| { | { |
| Value *value=wcontext->result(); | Value *value=wcontext->result(); |
| flang=static_cast<String::Untaint_lang>(reinterpret_cast<int>(POP())); | |
| wcontext=static_cast<WContext *>(POP()); | wcontext=static_cast<WContext *>(POP()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| Line 207 void Request::execute(const Array& ops) | Line 288 void Request::execute(const Array& ops) |
| { | { |
| Value *ncontext=POP(); | Value *ncontext=POP(); |
| PUSH(rcontext); | PUSH(rcontext); |
| rcontext=ncontext; | |
| PUSH(wcontext); | PUSH(wcontext); |
| wcontext=NEW WWrapper(pool(), ncontext, false /* not constructing */); | rcontext=ncontext; |
| wcontext=NEW WWrapper(pool(), ncontext, false /*not constructing*/); | |
| break; | break; |
| } | } |
| case OP_REDUCE_RWPOOL: | case OP_REDUCE_RWPOOL: |
| { | { |
| String *string=wcontext->get_string(); | const String *string=wcontext->get_string(); |
| Value *value=string?NEW VString(*string):NEW VString(pool()); | Value *value; |
| if(string) | |
| value=NEW VString(*string); | |
| else | |
| value=NEW VUnknown(pool()); | |
| wcontext=static_cast<WContext *>(POP()); | wcontext=static_cast<WContext *>(POP()); |
| rcontext=POP(); | rcontext=POP(); |
| PUSH(value); | PUSH(value); |
| Line 224 void Request::execute(const Array& ops) | Line 309 void Request::execute(const Array& ops) |
| case OP_CREATE_SWPOOL: | case OP_CREATE_SWPOOL: |
| { | { |
| PUSH(wcontext); | PUSH(wcontext); |
| wcontext=NEW WWrapper(pool(), 0 /* empty */, false /* not constructing */); | wcontext=NEW WWrapper(pool(), 0 /*empty*/, false /*not constructing*/); |
| break; | break; |
| } | } |
| case OP_REDUCE_SWPOOL: | case OP_REDUCE_SWPOOL: |
| { | { |
| // 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(); | const String *string=wcontext->get_string(); |
| Value *value=string?NEW VString(*string):NEW VString(pool()); | Value *value; |
| if(string) | |
| value=NEW VString(*string); | |
| else | |
| NEW VUnknown(pool()); | |
| wcontext=static_cast<WContext *>(POP()); | wcontext=static_cast<WContext *>(POP()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| Line 242 void Request::execute(const Array& ops) | Line 331 void Request::execute(const Array& ops) |
| case OP_GET_METHOD_FRAME: | case OP_GET_METHOD_FRAME: |
| { | { |
| Value *value=POP(); | Value *value=POP(); |
| // info: this one's always method-junction, not a code-junction | |
| // info: | |
| // code compiled so that this one's always method-junction, | |
| // not a code-junction | |
| Junction *junction=value->get_junction(); | Junction *junction=value->get_junction(); |
| if(!junction) | if(!junction) |
| THROW(0,0, | THROW(0,0, |
| &value->name(), | &value->name(), |
| "type is '%s', can not call it (must be method or junction)", | "(%s) not a method or junction, can not call it", |
| value->type()); | value->type()); |
| VMethodFrame *frame=NEW VMethodFrame(pool(), *junction); | bool is_constructor= |
| frame->set_name(junction->self.name()); | wcontext->constructing() && // constructing? |
| wcontext->somebody_entered_some_class(); // ^class:method[..]? | |
| if(is_constructor) | |
| wcontext->constructing(false); | |
| VMethodFrame *frame=NEW VMethodFrame(pool(), value->name(), *junction, is_constructor); | |
| PUSH(frame); | PUSH(frame); |
| break; | break; |
| } | } |
| Line 259 void Request::execute(const Array& ops) | Line 356 void Request::execute(const Array& ops) |
| { | { |
| Value *value=POP(); | Value *value=POP(); |
| VMethodFrame *frame=static_cast<VMethodFrame *>(stack.top_value()); | VMethodFrame *frame=static_cast<VMethodFrame *>(stack.top_value()); |
| frame->store_param(value); | frame->store_param(frame->name(), value); |
| break; | break; |
| } | } |
| case OP_CALL: | case OP_CALL: |
| { | { |
| fprintf(stderr, "->\n"); | #ifdef DEBUG_EXECUTE |
| debug_printf(pool(), "->\n"); | |
| #endif | |
| VMethodFrame *frame=static_cast<VMethodFrame *>(POP()); | VMethodFrame *frame=static_cast<VMethodFrame *>(POP()); |
| frame->fill_unspecified_params(); | frame->fill_unspecified_params(); |
| PUSH(self); | PUSH(self); |
| Line 273 void Request::execute(const Array& ops) | Line 372 void Request::execute(const Array& ops) |
| PUSH(rcontext); | PUSH(rcontext); |
| PUSH(wcontext); | PUSH(wcontext); |
| VClass *called_class=frame->junction.self.get_class(); | VStateless_class *called_class=frame->junction.self.get_class(); |
| // constructing? | // not ^name.method call and |
| if(wcontext->constructing()) { // yes | // is context object or class & is it my class or my parent's class and? |
| // constructor call: $some(^class:method(..)) | VStateless_class *read_class=rcontext->get_class(); |
| self=NEW VObject(pool(), *called_class); | if(!wcontext->somebody_entered_some_object() && |
| frame->write(*self); | read_class && read_class->is_or_derived_from(*called_class)) // yes |
| } else { // no | self=rcontext; // class dynamic call |
| // context is object or class & is it my class or my parent's class? | else // no, not me or relative of mine (total stranger) |
| VClass *read_class=rcontext->get_class(); | // were are constructing something and |
| if(read_class && read_class->is_or_derived_from(*called_class)) // yes | // our constructor is just method call and |
| self=rcontext; // class dynamic call | // not static-only-method call |
| else // no | if(frame->is_constructor && |
| self=&frame->junction.self; // static or simple dynamic call | wcontext->somebody_entered_some_object()==1 && |
| } | frame->junction.method->call_type!=Method::CT_STATIC) { |
| // this is a constructor call | |
| // some stateless_object creatable derivates | |
| if(Value *value=called_class->create_new_value(pool())) | |
| self=value; | |
| else // stateful object | |
| self=NEW VObject(pool(), *called_class); | |
| frame->write(*self, | |
| String::UL_CLEAN // not used, always an object, not string | |
| ); | |
| } else | |
| self=&frame->junction.self; // no, static or simple dynamic call | |
| frame->set_self(*self); | frame->set_self(*self); |
| root=rcontext=wcontext=frame; | root=rcontext=wcontext=frame; |
| { | { |
| // take object or class from any wrappers | // take object or class from any wrappers |
| VAliased *aliased=self->get_aliased(); | // and substitute class alias to the class they are called AS |
| // substitute class alias to the class they are called AS | Temp_alias temp_alias(*self->get_aliased(), *frame->junction.vclass); |
| Temp_alias temp_alias(*aliased, *frame->junction.vclass); | |
| const Method& method=*frame->junction.method; | |
| Method& method=*frame->junction.method; | Method::Call_type call_type= |
| if(method.native_code) // native code? | called_class==self ? Method::CT_STATIC : Method::CT_DYNAMIC; |
| (*method.native_code)(*this, frame->numbered_params()); // execute it | if( |
| else // parser code | method.call_type==Method::CT_ANY || |
| execute(*method.parser_code); // execute it | method.call_type==call_type) // allowed call type? |
| if(method.native_code) { // native code? | |
| method.check_actual_numbered_params(pool(), | |
| frame->junction.self, | |
| frame->name(), frame->numbered_params()); | |
| (*method.native_code)( | |
| *this, | |
| frame->name(), frame->numbered_params()); // execute it | |
| } else // parser code | |
| execute(*method.parser_code); // execute it | |
| else | |
| THROW(0, 0, | |
| &frame->name(), | |
| "is not allowed to be called %s", | |
| call_type==Method::CT_STATIC?"statically":"dynamically"); | |
| } | } |
| Value *value=wcontext->result(); | Value *value=wcontext->result(); |
| Line 309 void Request::execute(const Array& ops) | Line 435 void Request::execute(const Array& ops) |
| self=static_cast<VAliased *>(POP()); | self=static_cast<VAliased *>(POP()); |
| PUSH(value); | PUSH(value); |
| fprintf(stderr, "<-returned"); | #ifdef DEBUG_EXECUTE |
| debug_printf(pool(), "<-returned"); | |
| #endif | |
| break; | break; |
| } | } |
| Line 317 void Request::execute(const Array& ops) | Line 445 void Request::execute(const Array& ops) |
| case OP_NEG: | case OP_NEG: |
| { | { |
| Value *operand=POP(); | Value *operand=POP(); |
| Value *value=NEW VDouble(pool(), -operand->get_double()); | Value *value=NEW VDouble(pool(), -operand->as_double()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_INV: | case OP_INV: |
| { | { |
| Value *operand=POP(); | Value *operand=POP(); |
| Value *value=NEW VDouble(pool(), | Value *value=NEW VDouble(pool(), ~operand->as_int()); |
| ~static_cast<int>(operand->get_double())); | |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_NOT: | case OP_NOT: |
| { | { |
| Value *operand=POP(); | Value *operand=POP(); |
| Value *value=NEW VBool(pool(), !operand->get_bool()); | Value *value=NEW VBool(pool(), !operand->as_bool()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_DEF: | case OP_DEF: |
| { | { |
| Value *operand=POP(); | Value *operand=POP(); |
| Value *value=NEW VBool(pool(), operand->get_defined()); | Value *value=NEW VBool(pool(), operand->is_defined()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_IN: | case OP_IN: |
| { | { |
| Value *operand=POP(); | Value *operand=POP(); |
| Value *value=NEW VBool(pool(), true/*TODO*/); | const char *path=operand->as_string().cstr(); |
| Value *value=NEW VBool(pool(), | |
| info.uri && strncmp(path, info.uri, strlen(path))==0); | |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_FEXISTS: | case OP_FEXISTS: |
| { | { |
| Value *operand=POP(); | Value *operand=POP(); |
| Value *value=NEW VBool(pool(), true/*TODO*/); | Value *value=NEW VBool(pool(), |
| file_readable(absolute(operand->as_string()))); | |
| PUSH(value); | |
| break; | |
| } | |
| case OP_DEXISTS: | |
| { | |
| Value *operand=POP(); | |
| Value *value=NEW VBool(pool(), | |
| dir_readable(absolute(operand->as_string()))); | |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| Line 362 void Request::execute(const Array& ops) | Line 500 void Request::execute(const Array& ops) |
| case OP_SUB: | case OP_SUB: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value *b=POP(); Value *a=POP(); |
| Value *value=NEW VDouble(pool(), a->get_double() - b->get_double()); | Value *value=NEW VDouble(pool(), a->as_double() - b->as_double()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_ADD: | case OP_ADD: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value *b=POP(); Value *a=POP(); |
| Value *value=NEW VDouble(pool(), a->get_double() + b->get_double()); | Value *value=NEW VDouble(pool(), a->as_double() + b->as_double()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_MUL: | case OP_MUL: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value *b=POP(); Value *a=POP(); |
| Value *value=NEW VDouble(pool(), a->get_double() * b->get_double()); | Value *value=NEW VDouble(pool(), a->as_double() * b->as_double()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_DIV: | case OP_DIV: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value *b=POP(); Value *a=POP(); |
| Value *value=NEW VDouble(pool(), a->get_double() / b->get_double()); | Value *value=NEW VDouble(pool(), a->as_double() / b->as_double()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| Line 391 void Request::execute(const Array& ops) | Line 529 void Request::execute(const Array& ops) |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value *b=POP(); Value *a=POP(); |
| Value *value=NEW VDouble(pool(), | Value *value=NEW VDouble(pool(), |
| static_cast<int>(a->get_double()) % | a->as_int() % |
| static_cast<int>(b->get_double())); | b->as_int()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| Line 400 void Request::execute(const Array& ops) | Line 538 void Request::execute(const Array& ops) |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value *b=POP(); Value *a=POP(); |
| Value *value=NEW VDouble(pool(), | Value *value=NEW VDouble(pool(), |
| static_cast<int>(a->get_double()) & | a->as_int() & |
| static_cast<int>(b->get_double())); | b->as_int()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| Line 409 void Request::execute(const Array& ops) | Line 547 void Request::execute(const Array& ops) |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value *b=POP(); Value *a=POP(); |
| Value *value=NEW VDouble(pool(), | Value *value=NEW VDouble(pool(), |
| static_cast<int>(a->get_double()) | | a->as_int() | |
| static_cast<int>(b->get_double())); | b->as_int()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| Line 418 void Request::execute(const Array& ops) | Line 556 void Request::execute(const Array& ops) |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value *b=POP(); Value *a=POP(); |
| Value *value=NEW VDouble(pool(), | Value *value=NEW VDouble(pool(), |
| static_cast<int>(a->get_double()) ^ | a->as_int() ^ |
| static_cast<int>(b->get_double())); | b->as_int()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_LOG_AND: | case OP_LOG_AND: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value *b=POP(); Value *a=POP(); |
| Value *value=NEW VBool(pool(), a->get_bool() && b->get_bool()); | Value *value=NEW VBool(pool(), a->as_bool() && b->as_bool()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_LOG_OR: | case OP_LOG_OR: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value *b=POP(); Value *a=POP(); |
| Value *value=NEW VBool(pool(), a->get_bool() || b->get_bool()); | Value *value=NEW VBool(pool(), a->as_bool() || b->as_bool()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_LOG_XOR: | case OP_LOG_XOR: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value *b=POP(); Value *a=POP(); |
| Value *value=NEW VBool(pool(), a->get_bool() ^ b->get_bool()); | Value *value=NEW VBool(pool(), a->as_bool() ^ b->as_bool()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_NUM_LT: | case OP_NUM_LT: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value *b=POP(); Value *a=POP(); |
| Value *value=NEW VBool(pool(), a->get_double() < b->get_double()); | Value *value=NEW VBool(pool(), a->as_double() < b->as_double()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_NUM_GT: | case OP_NUM_GT: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value *b=POP(); Value *a=POP(); |
| Value *value=NEW VBool(pool(), a->get_double() > b->get_double()); | Value *value=NEW VBool(pool(), a->as_double() > b->as_double()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_NUM_LE: | case OP_NUM_LE: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value *b=POP(); Value *a=POP(); |
| Value *value=NEW VBool(pool(), a->get_double() <= b->get_double()); | Value *value=NEW VBool(pool(), a->as_double() <= b->as_double()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_NUM_GE: | case OP_NUM_GE: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value *b=POP(); Value *a=POP(); |
| Value *value=NEW VBool(pool(), a->get_double() >= b->get_double()); | Value *value=NEW VBool(pool(), a->as_double() >= b->as_double()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_NUM_EQ: | case OP_NUM_EQ: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value *b=POP(); Value *a=POP(); |
| Value *value=NEW VBool(pool(), a->get_double() == b->get_double()); | Value *value=NEW VBool(pool(), a->as_double() == b->as_double()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_NUM_NE: | case OP_NUM_NE: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value *b=POP(); Value *a=POP(); |
| Value *value=NEW VBool(pool(), a->get_double() != b->get_double()); | Value *value=NEW VBool(pool(), a->as_double() != b->as_double()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| Line 528 void Request::execute(const Array& ops) | Line 666 void Request::execute(const Array& ops) |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_IS: | |
| { | |
| Value *b=POP(); Value *a=POP(); | |
| Value *value=NEW VBool(pool(), b->as_string() == a->type()); | |
| PUSH(value); | |
| break; | |
| } | |
| default: | default: |
| THROW(0,0, | THROW(0,0, |
| 0, | 0, |
| "unhandled '%s' opcode", opcode_name[op.code]); | "invalid opcode %d", op.code); |
| } | } |
| fprintf(stderr, "\n"); | |
| } | } |
| } | } |
| Value *Request::get_element() { | Value *Request::get_element() { |
| String& name=POP_NAME(); | const String& name=POP_NAME(); |
| Value *ncontext=POP(); | Value *ncontext=POP(); |
| Value *value=ncontext->get_element(name); | Value *value; |
| if(Method* method=OP.get_method(name)) { // operator? | |
| // autocalc possible code-junction | // as if that method were in self and we have normal dynamic method here |
| value=value?&autocalc(*value):NEW VUnknown(pool()); | Junction& junction=*NEW Junction(pool(), |
| *self, self->get_class(), method, 0,0,0,0); | |
| value=NEW VJunction(junction); | |
| } else | |
| value=ncontext->get_element(name); | |
| if(value) | |
| value=&process(*value, &name); // process possible code-junction | |
| else { | |
| value=NEW VUnknown(pool()); | |
| value->set_name(name); | |
| } | |
| value->set_name(name); | |
| return value; | return value; |
| } | } |
| Value& Request::autocalc(Value& value, bool make_string) { | /** |
| intercept_string: | |
| - true: | |
| they want result=string value, | |
| possible object result goes to wcontext | |
| - false: | |
| they want any result[string|object] | |
| nothing goes to wcontext. | |
| used in @c (expression) params evaluation | |
| */ | |
| Value& Request::process(Value& value, const String *name, bool intercept_string) { | |
| Value *result; | |
| Junction *junction=value.get_junction(); | Junction *junction=value.get_junction(); |
| if(junction && junction->code) { // is it a code-junction? | if(junction && junction->code) { // is it a code-junction? |
| // autocalc it | // process it |
| fprintf(stderr, "ja->\n"); | #ifdef DEBUG_EXECUTE |
| debug_printf(pool(), "ja->\n"); | |
| #endif | |
| PUSH(self); | PUSH(self); |
| PUSH(root); | PUSH(root); |
| PUSH(rcontext); | PUSH(rcontext); |
| PUSH(wcontext); | PUSH(wcontext); |
| WContext *frame; | WContext *frame; |
| if(make_string) { | // 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, | // almost plain wwrapper about junction wcontext, |
| // BUT intercepts string writes | // BUT intercepts string writes |
| frame=NEW VCodeFrame(pool(), *junction->wcontext); | frame=NEW VCodeFrame(pool(), *junction->wcontext); |
| } else { | } else { |
| // plain wwrapper | // plain wwrapper |
| frame=NEW WWrapper(pool(), 0 /* empty */, false /*not constructing*/); | frame=NEW WWrapper(pool(), 0/*empty*/, false/*not constructing*/); |
| } | } |
| wcontext=frame; | wcontext=frame; |
| Line 575 Value& Request::autocalc(Value& value, b | Line 745 Value& Request::autocalc(Value& value, b |
| root=junction->root; | root=junction->root; |
| rcontext=junction->rcontext; | rcontext=junction->rcontext; |
| execute(*junction->code); | execute(*junction->code); |
| Value *result; | if(using_code_frame) { |
| if(make_string) { | |
| // CodeFrame soul: | // CodeFrame soul: |
| // string writes were intercepted | // string writes were intercepted |
| // returning them as the result of getting code-junction | // returning them as the result of getting code-junction |
| Line 589 Value& Request::autocalc(Value& value, b | Line 758 Value& Request::autocalc(Value& value, b |
| root=POP(); | root=POP(); |
| self=static_cast<VAliased *>(POP()); | self=static_cast<VAliased *>(POP()); |
| fprintf(stderr, "<-ja returned"); | #ifdef DEBUG_EXECUTE |
| return *result; | debug_printf(pool(), "<-ja returned"); |
| #endif | |
| } else | } else |
| return value; | result=&value; |
| if(name) | |
| result->set_name(*name); | |
| return *result; | |
| } | } |
| void Request::write(Value& avalue) { | |
| wcontext->write(avalue); | |
| } | |
| const String *Request::execute_method(Value& aself, const Method& method, bool return_cstr) { | |
| PUSH(self); | |
| PUSH(root); | |
| PUSH(rcontext); | |
| PUSH(wcontext); | |
| // initialize contexts | |
| root=rcontext=self=&aself; | |
| wcontext=NEW WWrapper(pool(), &aself, false /*not constructing*/); | |
| // execute! | |
| execute(*method.parser_code); | |
| // result | |
| const String *result; | |
| if(return_cstr) | |
| result=&wcontext->as_string(); | |
| else | |
| result=0; // ignore result | |
| wcontext=static_cast<WContext *>(POP()); | |
| rcontext=POP(); | |
| root=POP(); | |
| self=static_cast<VAliased *>(POP()); | |
| // return | |
| return result; | |
| } | |
| const String *Request::execute_method(Value& aself, | |
| const String& method_name, bool return_cstr) { | |
| 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, return_cstr); | |
| return 0; | |
| } |