--- parser3/src/main/execute.C 2001/02/21 07:42:22 1.8 +++ parser3/src/main/execute.C 2001/02/24 11:46:03 1.36 @@ -1,15 +1,25 @@ /* - $Id: execute.C,v 1.8 2001/02/21 07:42:22 paf Exp $ + $Id: execute.C,v 1.36 2001/02/24 11:46:03 paf Exp $ */ #include "pa_array.h" #include "code.h" +#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 +#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", + "STRING", "CODE", "WITH_ROOT", "WITH_SELF", "WITH_READ", "WITH_WRITE", "CONSTRUCT", "EXPRESSION_EVAL", "MODIFY_EVAL", @@ -18,37 +28,245 @@ char *opcode_name[]={ "CREATE_EWPOOL", "REDUCE_EWPOOL", "CREATE_RWPOOL", "REDUCE_RWPOOL", "GET_METHOD_FRAME", - "CREATE_JUNCTION", "STORE_PARAM", "CALL" }; -void dump(int level, const Array *ops) { - if(!ops) - return; +void dump(int level, const Array& ops) { + if(0){ + int size=ops.size(); + //printf("size=%d\n", size); + for(int i=0; isize(); + int size=ops.size(); + //printf("size=%d\n", size); for(int i=0; i(ops->raw_get(i)); - printf("%*s%s", level*4, "", opcode_name[code]); + Operation op; + op.cast=ops.quick_get(i); + printf("%*s%s", level*4, "", opcode_name[op.code]); - if(code==OP_STRING) { - printf(" \"%s\"", static_cast(ops->raw_get(++i))->cstr()); + if(op.code==OP_STRING) { + VString *vstring=static_cast(ops.quick_get(++i)); + printf(" \"%s\"", vstring->get_string()->cstr()); } printf("\n"); - if(code==OP_CODE_ARRAY) { - const Array *local_ops=reinterpret_cast(ops->raw_get(++i)); - dump(level+1, local_ops); + if(op.code==OP_CODE) { + const Array *local_ops=reinterpret_cast(ops.quick_get(++i)); + dump(level+1, *local_ops); } } } -void execute(Pool *pool, const Array *ops) { - if(!ops) - return; - - puts("---------------------------"); - dump(0, ops); - puts("---------------------------"); +void Request::execute(const Array& ops) { + if(1) { + puts("source----------------------------"); + dump(0, ops); + puts("execution-------------------------"); + } + + int size=ops.size(); + //printf("size=%d\n", size); + for(int i=0; i(ops.quick_get(++i)); + printf(" \"%s\"", vstring->get_string()->cstr()); + PUSH(vstring); + break; + } + case OP_CODE: + { + const Array *local_ops=reinterpret_cast(ops.quick_get(++i)); + printf(" (%d)", local_ops->size()); + Junction& j=*NEW Junction(pool(), + *self, + 0, + root,rcontext,wcontext,local_ops); + + Value *value=NEW VJunction(j); + PUSH(value); + break; + } + + // OP_WITH + case OP_WITH_WRITE: + { + PUSH(wcontext); + break; + } + case OP_WITH_READ: + { + PUSH(rcontext); + break; + } + case OP_WITH_ROOT: + { + PUSH(root); + break; + } + case OP_WITH_SELF: + { + PUSH(self); + break; + } + + // ... + case OP_WRITE: + { + Value *value=POP(); + wcontext->write(value); + break; + } + + case OP_GET_ELEMENT: + { + Value *value=get_element(); + PUSH(value); + break; + } + + case OP_GET_ELEMENT__WRITE: + { + Value *value=get_element(); + wcontext->write(value); + break; + } + + case OP_CONSTRUCT: + { + Value *value=POP(); + String& name=POP_NAME(); + Value *ncontext=POP(); + value->set_name(name); + ncontext->put_element(name, value); + break; + } + + case OP_CREATE_EWPOOL: + { + PUSH(wcontext); + wcontext=NEW WWrapper(pool(), 0 /* empty */); + break; + } + case OP_REDUCE_EWPOOL: + { + 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); + break; + } + case OP_REDUCE_RWPOOL: + { + String *string=wcontext->get_string(); + Value *value=NEW VString(string); + wcontext=static_cast(POP()); + rcontext=POP(); + PUSH(value); + break; + } + + 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(), + "is not a method or a junction (it is '%s'), can not call it", + 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: + { + printf("->\n"); + VMethodFrame *frame=static_cast(POP()); + frame->fill_unspecified_params(); + PUSH(self); PUSH(root); PUSH(rcontext); PUSH(wcontext); + //left_class=ncontext.get_class() + //right_class=frame.self.get_class() + //self=f(left_class[thoughts' food], right_self[junction], right_class[static], wcontext.value()[dynamic], new(right_class)[construct]) + self=&frame->junction.self; // TODO: не всегда frame..self + frame->set_self(self); + root=rcontext=wcontext=frame; + execute(frame->junction.method->code); + Value *value=wcontext->result(); + wcontext=static_cast(POP()); rcontext=POP(); root=POP(); self=POP(); + wcontext->write(value); + printf("<-returned"); + break; + } + + + default: + printf("\tTODO"); + break; + } + printf("\n"); + } +} + +Value *Request::get_element() { + 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 + printf("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=POP(); + printf("<-ja returned"); + } + } else { + value=NEW VUnknown(pool()); + value->set_name(name); + } + return value; }