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| version 1.34, 2001/02/24 11:20:33 | version 1.46, 2001/02/25 17:33:44 |
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| Line 10 | Line 10 |
| #include "pa_vunknown.h" | #include "pa_vunknown.h" |
| #include "pa_vcframe.h" | #include "pa_vcframe.h" |
| #include "pa_vmframe.h" | #include "pa_vmframe.h" |
| #include "pa_vobject.h" | |
| #include <stdio.h> | #include <stdio.h> |
| Line 19 | Line 20 |
| char *opcode_name[]={ | char *opcode_name[]={ |
| "STRING", "CODE", | "STRING", "CODE", "CLASS", |
| "WITH_ROOT", "WITH_SELF", "WITH_READ", "WITH_WRITE", | "WITH_ROOT", "WITH_SELF", "WITH_READ", "WITH_WRITE", |
| "CONSTRUCT", | "CONSTRUCT", |
| "EXPRESSION_EVAL", "MODIFY_EVAL", | "EXPRESSION_EVAL", "MODIFY_EVAL", |
| Line 35 char *opcode_name[]={ | Line 36 char *opcode_name[]={ |
| void dump(int level, const Array& ops) { | void dump(int level, const Array& ops) { |
| if(0){ | if(0){ |
| int size=ops.size(); | int size=ops.size(); |
| //printf("size=%d\n", size); | //fprintf(stderr, "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); |
| printf("%8X\n", op.cast); | fprintf(stderr, "%8X\n", op.cast); |
| } | } |
| } | } |
| int size=ops.size(); | int size=ops.size(); |
| //printf("size=%d\n", size); | //fprintf(stderr, "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); |
| printf("%*s%s", level*4, "", opcode_name[op.code]); | fprintf(stderr, "%*s%s", level*4, "", opcode_name[op.code]); |
| if(op.code==OP_STRING) { | if(op.code==OP_STRING) { |
| VString *vstring=static_cast<VString *>(ops.quick_get(++i)); | VString *vstring=static_cast<VString *>(ops.quick_get(++i)); |
| printf(" \"%s\"", vstring->get_string()->cstr()); | fprintf(stderr, " \"%s\"", vstring->get_string()->cstr()); |
| } | } |
| printf("\n"); | if(op.code==OP_CLASS) { |
| VClass *vclass=static_cast<VClass *>(ops.quick_get(++i)); | |
| fprintf(stderr, " \"%s\"", vclass->name().cstr()); | |
| } | |
| fprintf(stderr, "\n"); | |
| if(op.code==OP_CODE) { | if(op.code==OP_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)); |
| Line 65 void dump(int level, const Array& ops) { | Line 70 void dump(int level, const Array& ops) { |
| void Request::execute(const Array& ops) { | void Request::execute(const Array& ops) { |
| if(1) { | if(1) { |
| puts("source----------------------------"); | fputs("source----------------------------", stderr); |
| dump(0, ops); | dump(0, ops); |
| puts("execution-------------------------"); | fputs("execution-------------------------", stderr); |
| } | } |
| int size=ops.size(); | int size=ops.size(); |
| //printf("size=%d\n", size); | //fprintf(stderr, "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); |
| printf("%d:%s", stack.top(), opcode_name[op.code]); | fprintf(stderr, "%d:%s", stack.top(), opcode_name[op.code]); |
| switch(op.code) { | switch(op.code) { |
| // param in next instruction | // param in next instruction |
| case OP_STRING: | case OP_STRING: |
| { | { |
| VString *vstring=static_cast<VString *>(ops.quick_get(++i)); | VString *vstring=static_cast<VString *>(ops.quick_get(++i)); |
| printf(" \"%s\"", vstring->get_string()->cstr()); | fprintf(stderr, " \"%s\"", vstring->get_string()->cstr()); |
| PUSH(vstring); | PUSH(vstring); |
| break; | break; |
| } | } |
| case OP_CODE: | case OP_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)); |
| printf(" (%d)", local_ops->size()); | fprintf(stderr, " (%d)\n", local_ops->size()); |
| dump(1, *local_ops); | |
| Junction& j=*NEW Junction(pool(), | Junction& j=*NEW Junction(pool(), |
| *self, | *self, 0, 0, |
| 0, | |
| root,rcontext,wcontext,local_ops); | root,rcontext,wcontext,local_ops); |
| Value *value=NEW VJunction(j); | Value *value=NEW VJunction(j); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_CLASS: | |
| // OP_WITH | |
| case OP_WITH_WRITE: | |
| { | { |
| PUSH(wcontext); | VClass *vclass=static_cast<VClass *>(ops.quick_get(++i)); |
| fprintf(stderr, " \"%s\"", vclass->name().cstr()); | |
| PUSH(vclass); | |
| break; | break; |
| } | } |
| case OP_WITH_READ: | |
| // OP_WITH | |
| case OP_WITH_SELF: | |
| { | { |
| PUSH(rcontext); | PUSH(self); |
| break; | break; |
| } | } |
| case OP_WITH_ROOT: | case OP_WITH_ROOT: |
| Line 116 void Request::execute(const Array& ops) | Line 123 void Request::execute(const Array& ops) |
| PUSH(root); | PUSH(root); |
| break; | break; |
| } | } |
| case OP_WITH_SELF: | case OP_WITH_READ: |
| { | { |
| PUSH(self); | PUSH(rcontext); |
| break; | |
| } | |
| case OP_WITH_WRITE: | |
| { | |
| PUSH(wcontext); | |
| break; | break; |
| } | } |
| // ... | // ... |
| case OP_CONSTRUCT: | |
| { | |
| Value *value=POP(); | |
| String& name=POP_NAME(); | |
| Value *ncontext=POP(); | |
| value->set_name(name); | |
| ncontext->put_element(name, value); | |
| break; | |
| } | |
| // TODO: OP_EXPRESSION_EVAL, OP_MODIFY_EVAL, | |
| case OP_WRITE: | case OP_WRITE: |
| { | { |
| Value *value=POP(); | Value *value=POP(); |
| Line 144 void Request::execute(const Array& ops) | Line 166 void Request::execute(const Array& ops) |
| break; | 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: | case OP_CREATE_EWPOOL: |
| { | { |
| PUSH(wcontext); | PUSH(wcontext); |
| wcontext=NEW WWrapper(pool(), 0 /* empty */); | wcontext=NEW WWrapper(pool(), 0 /* empty */, true /* constructing */); |
| break; | break; |
| } | } |
| case OP_REDUCE_EWPOOL: | case OP_REDUCE_EWPOOL: |
| { | { |
| Value *value=wcontext->value_or_string(); | Value *value=wcontext->result(); |
| wcontext=static_cast<WContext *>(POP()); | wcontext=static_cast<WContext *>(POP()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| Line 174 void Request::execute(const Array& ops) | Line 187 void Request::execute(const Array& ops) |
| PUSH(rcontext); | PUSH(rcontext); |
| rcontext=ncontext; | rcontext=ncontext; |
| PUSH(wcontext); | PUSH(wcontext); |
| wcontext=NEW WWrapper(pool(), ncontext); | wcontext=NEW WWrapper(pool(), ncontext, false /* not constructing */); |
| break; | break; |
| } | } |
| case OP_REDUCE_RWPOOL: | case OP_REDUCE_RWPOOL: |
| { | { |
| String *string=wcontext->get_string(); | String *string=wcontext->get_string(); |
| Value *value=NEW VString(string); | Value *value=NEW VString(*string); |
| wcontext=static_cast<WContext *>(POP()); | wcontext=static_cast<WContext *>(POP()); |
| rcontext=POP(); | rcontext=POP(); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| // CALL | |
| case OP_GET_METHOD_FRAME: | case OP_GET_METHOD_FRAME: |
| { | { |
| Value *value=POP(); | Value *value=POP(); |
| Line 194 void Request::execute(const Array& ops) | Line 208 void Request::execute(const Array& ops) |
| Junction *junction=value->get_junction(); | Junction *junction=value->get_junction(); |
| if(!junction) | if(!junction) |
| THROW(0,0, | THROW(0,0, |
| value->name(), | &value->name(), |
| "is not a method or a junction (it is '%s'), can not call it", | "type is '%s', can not call it (must be method or junction)", |
| value->type()); | value->type()); |
| //unless(method) method=operators.get_method[...;code/native_code](name) | //unless(method) method=operators.get_method[...;code/native_code](name) |
| VMethodFrame *frame=NEW VMethodFrame(pool(), *junction); | VMethodFrame *frame=NEW VMethodFrame(pool(), *junction); |
| PUSH(frame); | PUSH(frame); |
| Line 212 void Request::execute(const Array& ops) | Line 226 void Request::execute(const Array& ops) |
| case OP_CALL: | case OP_CALL: |
| { | { |
| printf("->\n"); | fprintf(stderr, "->\n"); |
| VMethodFrame *frame=static_cast<VMethodFrame *>(POP()); | VMethodFrame *frame=static_cast<VMethodFrame *>(POP()); |
| frame->fill_unspecified_params(); | frame->fill_unspecified_params(); |
| PUSH(self); PUSH(root); PUSH(rcontext); PUSH(wcontext); | PUSH(self); |
| //left_class=ncontext.get_class() | PUSH(root); |
| //right_class=frame.self.get_class() | PUSH(rcontext); |
| //self=f(left_class[thoughts' food], right_self[junction], right_class[static], wcontext.value()[dynamic], new(right_class)[construct]) | PUSH(wcontext); |
| self=&frame->junction.self; // TODO: не всегда frame..self | |
| frame->set_self(self); | VClass *called_class=frame->junction.self.get_class(); |
| // constructing? | |
| if(wcontext->constructing()) { // yes | |
| // constructor call: $some(^class:method(..)) | |
| self=NEW VObject(pool(), *called_class); | |
| frame->write(self); | |
| } else { // no | |
| // context is object & 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); | |
| VAliased *aliased=reinterpret_cast<VAliased *>(self->get_aliased()); | |
| Temp_alias temp_alias(*aliased, *frame->junction.vclass); | |
| root=rcontext=wcontext=frame; | root=rcontext=wcontext=frame; |
| execute(frame->junction.method->code); | execute(frame->junction.method->code); |
| Value *value=wcontext->value(); | Value *value=wcontext->result(); |
| wcontext=static_cast<WContext *>(POP()); rcontext=POP(); root=POP(); self=POP(); | |
| wcontext=static_cast<WContext *>(POP()); | |
| rcontext=POP(); | |
| root=POP(); | |
| self=static_cast<VAliased *>(POP()); | |
| wcontext->write(value); | wcontext->write(value); |
| printf("<-returned"); | fprintf(stderr, "<-returned"); |
| break; | break; |
| } | } |
| default: | default: |
| printf("\tTODO"); | fprintf(stderr, "\tTODO"); |
| break; | break; |
| } | } |
| printf("\n"); | fprintf(stderr, "\n"); |
| } | } |
| } | } |
| Line 246 Value *Request::get_element() { | Line 279 Value *Request::get_element() { |
| if(value) { | if(value) { |
| 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 | // autocalc it |
| printf("ja->\n"); | fprintf(stderr, "ja->\n"); |
| PUSH(self); PUSH(root); PUSH(rcontext); PUSH(wcontext); | PUSH(self); |
| PUSH(root); | |
| PUSH(rcontext); | |
| PUSH(wcontext); | |
| // almost plain wwrapper about junction wcontext, | // almost plain wwrapper about junction wcontext, |
| // BUT intercepts string writes | // BUT intercepts string writes |
| VCodeFrame frame(pool(), *junction->wcontext); wcontext=&frame; | VCodeFrame frame(pool(), *junction->wcontext); wcontext=&frame; |
| Line 257 Value *Request::get_element() { | Line 294 Value *Request::get_element() { |
| root=junction->root; | root=junction->root; |
| rcontext=junction->rcontext; | rcontext=junction->rcontext; |
| execute(*junction->code); | execute(*junction->code); |
| // CodeFrame soul: string writes intercepted | // CodeFrame soul: |
| String *code_string_result=frame.get_string(); | // string writes were intercepted |
| wcontext=static_cast<WContext *>(POP()); rcontext=POP(); root=POP(); self=POP(); | // returning them as the result of getting code-junction |
| // writing string result to current context | value=NEW VString(*frame.get_string()); |
| wcontext->write(code_string_result); | |
| printf("<-ja returned"); | wcontext=static_cast<WContext *>(POP()); |
| rcontext=POP(); | |
| root=POP(); | |
| self=static_cast<VAliased *>(POP()); | |
| fprintf(stderr, "<-ja returned"); | |
| } | } |
| } else { | } else { |
| value=NEW VUnknown(pool()); | value=NEW VUnknown(pool()); |