--- parser3/src/main/execute.C 2001/02/22 16:21:49 1.22 +++ parser3/src/main/execute.C 2001/03/06 15:55:35 1.55 @@ -1,5 +1,5 @@ /* - $Id: execute.C,v 1.22 2001/02/22 16:21:49 paf Exp $ + $Id: execute.C,v 1.55 2001/03/06 15:55:35 paf Exp $ */ #include "pa_array.h" @@ -7,103 +7,160 @@ #include "pa_request.h" #include "pa_vstring.h" #include "pa_vhash.h" +#include "pa_vunknown.h" +#include "pa_vcframe.h" +#include "pa_vmframe.h" +#include "pa_vobject.h" +#include "pa_vdouble.h" +#include "pa_vbool.h" #include +#define PUSH(value) stack.push(value) +#define POP() static_cast(stack.pop()) +#define POP_NAME() static_cast(stack.pop())->as_string() + char *opcode_name[]={ - "STRING", "CODE_ARRAY", - "WITH_ROOT", "WITH_SELF", "WITH_READ", "WITH_WRITE", + // literals + "VALUE", "CODE", "CLASS", + + // actions + "WITH_SELF", "WITH_ROOT", "WITH_READ", "WITH_WRITE", "CONSTRUCT", - "EXPRESSION_EVAL", "MODIFY_EVAL", "WRITE", "GET_ELEMENT", "GET_ELEMENT__WRITE", "CREATE_EWPOOL", "REDUCE_EWPOOL", "CREATE_RWPOOL", "REDUCE_RWPOOL", + "CREATE_SWPOOL", "REDUCE_SWPOOL", "GET_METHOD_FRAME", - "CREATE_JUNCTION", "STORE_PARAM", - "CALL" + "CALL", + + // expression ops: unary + "NEG", "INV", "NOT", "DEF", "IN", "FEXISTS", + // expression ops: binary + "SUB", "ADD", "MUL", "DIV", "MOD", + "BIN_AND", "BIN_OR", + "LOG_AND", "LOG_OR", + "NUM_LT", "NUM_GT", "NUM_LE", "NUM_GE", "NUM_EQ", "NUM_NE", + "STR_LT", "STR_GT", "STR_LE", "STR_GE", "STR_EQ", "STR_NE" }; void dump(int level, const Array& ops) { + if(0){ + int size=ops.size(); + //fprintf(stderr, "size=%d\n", size); + for(int i=0; i(ops.quick_get(i)); - printf("%*s%s", level*4, "", opcode_name[code]); - - if(code==OP_STRING) { - VString *vstring=static_cast(ops.quick_get(++i)); - printf(" \"%s\"", vstring->get_string()->cstr()); + Operation op; + op.cast=ops.quick_get(i); + fprintf(stderr, "%*s%s", level*4, "", opcode_name[op.code]); + + if(op.code==OP_VALUE) { + Value *value=static_cast(ops.quick_get(++i)); + fprintf(stderr, " \"%s\" %s", value->get_string()->cstr(), value->type()); + } + if(op.code==OP_CLASS) { + VClass *vclass=static_cast(ops.quick_get(++i)); + fprintf(stderr, " \"%s\"", vclass->name().cstr()); } - printf("\n"); + fprintf(stderr, "\n"); - if(code==OP_CODE_ARRAY) { + if(op.code==OP_CODE) { const Array *local_ops=reinterpret_cast(ops.quick_get(++i)); dump(level+1, *local_ops); } } } -void Request::execute(Array& ops) { - if(0) { - puts("---------------------------"); +void Request::execute(const Array& ops) { + if(1) { + fputs("source----------------------------\n", stderr); dump(0, ops); - puts("---------------------------"); + fputs("execution-------------------------\n", stderr); } int size=ops.size(); + //fprintf(stderr, "size=%d\n", size); for(int i=0; i(ops.quick_get(i)); - printf("%d:%s", stack.top(), opcode_name[code]); + Operation op; + op.cast=ops.quick_get(i); + fprintf(stderr, "%d:%s", stack.top(), opcode_name[op.code]); - if(code==OP_CODE_ARRAY) { - const Array *local_ops=reinterpret_cast(ops.quick_get(++i)); - //dump(level+1, *local_ops); - } - - switch(code) { - case OP_WITH_WRITE: + switch(op.code) { + // param in next instruction + case OP_VALUE: { - stack.push(wcontext); + Value *value=static_cast(ops.quick_get(++i)); + fprintf(stderr, " \"%s\" %s", value->get_string()->cstr(), value->type()); + PUSH(value); break; } - case OP_WITH_READ: + case OP_CODE: { - stack.push(rcontext); + const Array *local_ops=reinterpret_cast(ops.quick_get(++i)); + fprintf(stderr, " (%d)\n", local_ops->size()); + dump(1, *local_ops); + Junction& j=*NEW Junction(pool(), + *self, 0, 0, + root,rcontext,wcontext,local_ops); + + Value *value=NEW VJunction(j); + PUSH(value); break; } - case OP_WITH_ROOT: + case OP_CLASS: { - stack.push(root); + VClass *vclass=static_cast(ops.quick_get(++i)); + fprintf(stderr, " \"%s\"", vclass->name().cstr()); + PUSH(vclass); break; } + + // OP_WITH case OP_WITH_SELF: { - stack.push(self); + PUSH(self); break; } - - case OP_STRING: + case OP_WITH_ROOT: + { + PUSH(root); + break; + } + case OP_WITH_READ: + { + PUSH(rcontext); + break; + } + case OP_WITH_WRITE: { - VString *vstring=static_cast(ops.quick_get(++i)); - printf(" \"%s\"", vstring->get_string()->cstr()); - stack.push(vstring); + PUSH(wcontext); break; } + // OTHER ACTIONS BUT WITHs case OP_CONSTRUCT: { - Value *value=static_cast(stack.pop()); - VString *name=static_cast(stack.pop()); - Value *ncontext=static_cast(stack.pop()); - ncontext->put_element(*name, value); + Value *value=POP(); + String& name=POP_NAME(); + Value *ncontext=POP(); + value->set_name(name); + ncontext->put_element(name, value); break; } - case OP_WRITE: { - Value *value=static_cast(stack.pop()); + Value *value=POP(); wcontext->write(value); break; } @@ -111,7 +168,7 @@ void Request::execute(Array& ops) { case OP_GET_ELEMENT: { Value *value=get_element(); - stack.push(value); + PUSH(value); break; } @@ -122,37 +179,359 @@ void Request::execute(Array& ops) { break; } + case OP_CREATE_EWPOOL: { - stack.push(wcontext); - wcontext=NEW WContext(pool(), 0 /* empty */); + PUSH(wcontext); + wcontext=NEW WWrapper(pool(), 0 /* empty */, true /* constructing */); break; } case OP_REDUCE_EWPOOL: { - Value *value=wcontext->value(); - wcontext=static_cast(stack.pop()); - stack.push(value); + Value *value=wcontext->result(); + wcontext=static_cast(POP()); + PUSH(value); break; } + case OP_CREATE_RWPOOL: + { + Value *ncontext=POP(); + PUSH(rcontext); + rcontext=ncontext; + PUSH(wcontext); + wcontext=NEW WWrapper(pool(), ncontext, false /* not constructing */); + break; + } + case OP_REDUCE_RWPOOL: + { + String *string=wcontext->get_string(); + Value *value=string?NEW VString(*string):NEW VString(pool()); + wcontext=static_cast(POP()); + rcontext=POP(); + PUSH(value); + break; + } + case OP_CREATE_SWPOOL: + { + PUSH(wcontext); + wcontext=NEW WWrapper(pool(), 0 /* empty */, false /* not constructing */); + break; + } + case OP_REDUCE_SWPOOL: + { + // from "$a $b" part of expression taking only string value, + // ignoring any other content of wcontext + String *string=wcontext->get_string(); + Value *value=string?NEW VString(*string):NEW VString(pool()); + wcontext=static_cast(POP()); + PUSH(value); + break; + } + + // CALL + case OP_GET_METHOD_FRAME: + { + Value *value=POP(); + // [self/class?;params;local;code/native_code](name) + Junction *junction=value->get_junction(); + if(!junction) + THROW(0,0, + &value->name(), + "type is '%s', can not call it (must be method or junction)", + value->type()); + //unless(method) method=operators.get_method[...;code/native_code](name) + VMethodFrame *frame=NEW VMethodFrame(pool(), *junction); + PUSH(frame); + break; + } + case OP_STORE_PARAM: + { + Value *value=POP(); + VMethodFrame *frame=static_cast(stack[0]); + frame->store_param(value); + break; + } + + case OP_CALL: + { + fprintf(stderr, "->\n"); + VMethodFrame *frame=static_cast(POP()); + frame->fill_unspecified_params(); + PUSH(self); + PUSH(root); + PUSH(rcontext); + PUSH(wcontext); + + VClass *called_class=frame->junction.self.get_class(); + // constructing? + if(wcontext->constructing()) { // yes + // constructor call: $some(^class:method(..)) + frame->write(self=NEW VObject(pool(), *called_class)); + } else { // no + // context is 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 + self=&frame->junction.self; // static or simple dynamic call + } + frame->set_self(*self); + root=rcontext=wcontext=frame; + { + // take object or class from any wrappers + VAliased *aliased=self->get_aliased(); + // substitute class alias to the class they are called AS + Temp_alias temp_alias(*aliased, *frame->junction.vclass); + execute(frame->junction.method->code); + } + Value *value=wcontext->result(); + + wcontext=static_cast(POP()); + rcontext=POP(); + root=POP(); + self=static_cast(POP()); + wcontext->write(value); + fprintf(stderr, "<-returned"); + break; + } + + // expression ops: unary + case OP_NEG: + { + Value *operand=POP(); + Value *value=NEW VDouble(pool(), -operand->get_double()); + PUSH(value); + break; + } + case OP_INV: + { + Value *operand=POP(); + Value *value=NEW VDouble(pool(), + ~static_cast(operand->get_double())); + PUSH(value); + break; + } + case OP_NOT: + { + Value *operand=POP(); + Value *value=NEW VBool(pool(), !operand->get_bool()); + PUSH(value); + break; + } + //todo: def in fexists + + // expression ops: binary + case OP_SUB: + { + Value *b=POP(); + Value *a=POP(); + Value *value=NEW VDouble(pool(), + a->get_double() - + b->get_double()); + PUSH(value); + break; + } + case OP_ADD: + { + Value *b=POP(); + Value *a=POP(); + Value *value=NEW VDouble(pool(), + a->get_double() + + b->get_double()); + PUSH(value); + break; + } + case OP_MUL: + { + Value *b=POP(); + Value *a=POP(); + Value *value=NEW VDouble(pool(), + a->get_double() * + b->get_double()); + PUSH(value); + break; + } + case OP_DIV: + { + Value *b=POP(); + Value *a=POP(); + Value *value=NEW VDouble(pool(), + a->get_double() / + b->get_double()); + PUSH(value); + break; + } + case OP_MOD: + { + Value *b=POP(); + Value *a=POP(); + Value *value=NEW VDouble(pool(), + static_cast(a->get_double()) % + static_cast(b->get_double())); + PUSH(value); + break; + } + case OP_BIN_AND: + { + Value *b=POP(); + Value *a=POP(); + Value *value=NEW VDouble(pool(), + static_cast(a->get_double()) & + static_cast(b->get_double())); + PUSH(value); + break; + } + case OP_BIN_OR: + { + Value *b=POP(); + Value *a=POP(); + Value *value=NEW VDouble(pool(), + static_cast(a->get_double()) | + static_cast(b->get_double())); + PUSH(value); + break; + } + case OP_LOG_AND: + { + Value *b=POP(); + Value *a=POP(); + Value *value=NEW VBool(pool(), + a->get_bool() && + b->get_bool()); + PUSH(value); + break; + } + case OP_LOG_OR: + { + Value *b=POP(); + Value *a=POP(); + Value *value=NEW VBool(pool(), + a->get_bool() || + b->get_bool()); + PUSH(value); + break; + } + case OP_NUM_LT: + { + Value *b=POP(); + Value *a=POP(); + Value *value=NEW VBool(pool(), + a->get_double() < + b->get_double()); + PUSH(value); + break; + } + case OP_NUM_GT: + { + Value *b=POP(); + Value *a=POP(); + Value *value=NEW VBool(pool(), + a->get_double() > + b->get_double()); + PUSH(value); + break; + } + case OP_NUM_LE: + { + Value *b=POP(); + Value *a=POP(); + Value *value=NEW VBool(pool(), + a->get_double() <= + b->get_double()); + PUSH(value); + break; + } + case OP_NUM_GE: + { + Value *b=POP(); + Value *a=POP(); + Value *value=NEW VBool(pool(), + a->get_double() >= + b->get_double()); + PUSH(value); + break; + } + case OP_NUM_EQ: + { + Value *b=POP(); + Value *a=POP(); + Value *value=NEW VBool(pool(), + a->get_double() == + b->get_double()); + PUSH(value); + break; + } + case OP_NUM_NE: + { + Value *b=POP(); + Value *a=POP(); + Value *value=NEW VBool(pool(), + a->get_double() != + b->get_double()); + PUSH(value); + break; + } + case OP_STR_LT: + case OP_STR_GT: + case OP_STR_LE: + case OP_STR_GE: + case OP_STR_EQ: + case OP_STR_NE: + { + Value *b=POP(); + Value *a=POP(); + Value *value=NEW VBool(pool(), + /*a->get_string() @ + b->get_string()*/false); + PUSH(value); + break; + } + default: - printf("\tTODO"); + fprintf(stderr, "\tTODO"); break; } - printf("\n"); + fprintf(stderr, "\n"); } } Value *Request::get_element() { - VString *name=static_cast(stack.pop()); - Value *ncontext=static_cast(stack.pop()); - Value *value=ncontext->get_element(*name); // name áûâàåò method, òîãäà âûäà¸ò new junction(ÀÂÒÎÂÛ×ÈÑËßÒÜ=false, root,self,rcontext,wcontext,code) - // name áûâàåò èìÿ junction, òîãäà èëè îñòàâëÿåò â ïîêîå, èëè âû÷èñëÿåò â çàâèñèìîñòè îò ôëàãà ÀÂÒÎÂÛ×ÈÑËßÒÜ - - if(!value) { - value=NEW VHash(pool()); - ncontext->put_element(*name, value); + String& name=POP_NAME(); + Value *ncontext=POP(); + Value *value=ncontext->get_element(name); + + if(value) { + Junction *junction=value->get_junction(); + if(junction && junction->code) { // is it a code-junction? + // autocalc it + fprintf(stderr, "ja->\n"); + PUSH(self); + PUSH(root); + PUSH(rcontext); + PUSH(wcontext); + + // almost plain wwrapper about junction wcontext, + // BUT intercepts string writes + VCodeFrame frame(pool(), *junction->wcontext); wcontext=&frame; + self=&junction->self; + root=junction->root; + rcontext=junction->rcontext; + execute(*junction->code); + // CodeFrame soul: + // string writes were intercepted + // returning them as the result of getting code-junction + value=NEW VString(*frame.get_string()); + + wcontext=static_cast(POP()); + rcontext=POP(); + root=POP(); + self=static_cast(POP()); + fprintf(stderr, "<-ja returned"); + } + } else { + value=NEW VUnknown(pool()); + value->set_name(name); } return value; -} \ No newline at end of file +}