Annotation of parser3/src/include/pa_value.h, revision 1.32
1.1 paf 1: /*
1.32 ! paf 2: $Id: pa_value.h,v 1.31 2001/02/25 13:23:01 paf Exp $
1.1 paf 3: */
4:
5: /*
6: data core
7: */
8:
9: #ifndef PA_VALUE_H
10: #define PA_VALUE_H
11:
1.9 paf 12: #include "pa_pool.h"
1.1 paf 13: #include "pa_string.h"
1.9 paf 14: #include "pa_array.h"
15: //#include "pa_voperator.h"
1.1 paf 16:
1.27 paf 17: #define NAME_NAME "NAME"
18:
1.9 paf 19: class Value;
20: class VClass;
21: //class VOperator;
22: class Junction;
23: class WContext;
24:
25: class Method : public Pooled {
1.1 paf 26: public:
1.11 paf 27: const String& name;
28: Array& params_names;
29: Array& locals_names;
1.23 paf 30: const Array& code;
1.9 paf 31:
32: Method(
33: Pool& apool,
1.11 paf 34: const String& aname,
35: Array& aparams_names,
36: Array& alocals_names,
1.23 paf 37: const Array& acode) :
1.19 paf 38:
1.9 paf 39: Pooled(apool),
40: name(aname),
1.11 paf 41: params_names(aparams_names),
42: locals_names(alocals_names),
1.9 paf 43: code(acode) {
44: }
1.1 paf 45: };
46:
1.9 paf 47: /*
1.7 paf 48: class Operator : public Method {
49: // operator module static vars stored in there
1.9 paf 50: VOperator_class *self;
1.7 paf 51: };
1.9 paf 52: */
1.7 paf 53:
1.21 paf 54: class Junction : public Pooled {
1.2 paf 55: public:
56:
1.20 paf 57: Junction(Pool& apool,
1.24 paf 58: Value& aself,
1.20 paf 59: Method *amethod,
60: Value *aroot,
61: Value *arcontext,
1.24 paf 62: WContext *awcontext,
1.23 paf 63: const Array *acode) : Pooled(apool),
1.20 paf 64:
1.24 paf 65: self(aself),
1.20 paf 66: method(amethod),
67: root(aroot),
68: rcontext(arcontext),
1.24 paf 69: wcontext(awcontext),
1.20 paf 70: code(acode) {
71: }
72:
1.24 paf 73: Value& self;
1.21 paf 74: Method *method;
75: Value *root;
76: Value *rcontext;
1.24 paf 77: WContext *wcontext;
1.23 paf 78: const Array *code;
1.8 paf 79: };
80:
1.9 paf 81: class Value : public Pooled {
1.17 paf 82: public: // Value
1.9 paf 83:
84: // all: for error reporting after fail(), etc
1.13 paf 85: virtual const char *type() const =0;
1.31 paf 86: /*const*/ String& name() const { return *fname; }
1.9 paf 87:
1.13 paf 88: // string: value
1.16 paf 89: // unknown: ""
90: // others: 0
1.13 paf 91: virtual String *get_string() { return 0; }
1.9 paf 92:
1.13 paf 93: // string: value
1.25 paf 94: virtual void put_string(String *astring) { failed("storing string to '%s'"); }
1.1 paf 95:
1.9 paf 96: // junction: auto_calc,root,self,rcontext,wcontext, code
1.23 paf 97: virtual Junction *get_junction() { return 0; }
1.8 paf 98:
1.1 paf 99: // hash: (key)=value
1.2 paf 100: // object_class: (field)=STATIC.value;(STATIC)=hash;(method)=method_ref with self=object_class
1.29 paf 101: // object_instance: (field)=value;(CLASS)=vclass;(method)=method_ref
1.7 paf 102: // operator_class: (field)=value - static values only
1.24 paf 103: // codeframe: wcontext_transparent
1.30 paf 104: // methodframe: my or self_transparent
1.29 paf 105: virtual Value *get_element(const String& name) { failed("type is '%s', can not get element from it"); return 0; }
1.13 paf 106:
1.15 paf 107: // hash: (key)=value
1.9 paf 108: // object_class, operator_class: (field)=value - static values only
1.26 paf 109: // object_instance: (field)=value
1.24 paf 110: // codeframe: wcontext_transparent
1.30 paf 111: // methodframe: my or self_transparent
1.29 paf 112: virtual void put_element(const String& name, Value *value) { failed("type is '%s', can not put element to it"); }
1.5 paf 113:
114: // object_class, object_instance: object_class
1.32 ! paf 115: // wcontext: none yet | transparent
1.9 paf 116: virtual VClass *get_class() { return 0; }
117:
1.17 paf 118: public: // usage
119:
1.28 paf 120: Value(Pool& apool) : Pooled(apool), fname(new(apool) String(apool)) {
121: fname->APPEND_CONST("unnamed");
122: }
1.17 paf 123:
1.27 paf 124: void set_name(String& aname) { fname=&aname; }
1.18 paf 125:
126: String& as_string() {
1.17 paf 127: String *result=get_string();
128: if(!result)
1.25 paf 129: failed("getting string of '%s'");
1.17 paf 130: return *result;
131: }
1.9 paf 132:
1.18 paf 133: private:
134:
1.27 paf 135: String *fname;
1.18 paf 136:
1.9 paf 137: private:
1.6 paf 138:
1.18 paf 139: void failed(char *action);
1.1 paf 140: };
141:
142: /*
143: descendants:
144: text:+ value:String
145: hash:+ keys&values:Hash
146: table:+ columns_order:Array, columns:Hash, rows:Array
147: object_class:+ STATIC:Hash, methods:Hash
148: object_instance:+ object_class, fields:Hash
1.2 paf 149: method_ref:+ self:Value/object_class, method:String
1.4 paf 150: method_self_n_params_n_locals:+ self:Value/object_class[1st try], params_locals&values:Hash[2nd try]
1.8 paf 151: junction:+ self:Value, code:String
1.1 paf 152: */
153:
154: #endif
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