Annotation of parser3/src/types/pa_method.h, revision 1.26
1.2 paf 1: /** @file
2: Parser: Method class decl.
3:
1.23 moko 4: Copyright (c) 2001-2015 Art. Lebedev Studio (http://www.artlebedev.com)
1.2 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
6: */
7:
8: #ifndef PA_METHOD_H
9: #define PA_METHOD_H
10:
1.26 ! moko 11: #define IDENT_PA_METHOD_H "$Id: pa_method.h,v 1.25 2016/09/26 20:22:33 moko Exp $"
1.2 paf 12:
1.13 misha 13: #define OPTIMIZE_CALL
1.14 misha 14: #define OPTIMIZE_RESULT
1.2 paf 15:
16: #include "pa_operation.h"
1.20 misha 17: #include "pa_vjunction.h"
1.2 paf 18:
19: /**
20: native code method
21: params can be NULL when
22: method min&max params (see VStateless_class::add_native_method)
23: counts are zero.
24: */
25: typedef void (*NativeCodePtr)(Request& request, MethodParams& params);
26:
27:
28: /**
29: class method.
30:
31: methods can have
32: - named or
33: - numbered parameters
34:
35: methods can be
36: - parser or
37: - native onces
38:
39: holds
40: - parameter names or number limits
41: - local names
42: - code [parser or native]
43: */
44: class Method: public PA_Object {
45: public:
46:
47: /// allowed method call types
48: enum Call_type {
49: CT_ANY, ///< method can be called either statically or dynamically
50: CT_STATIC, ///< method can be called only statically
51: CT_DYNAMIC ///< method can be called only dynamically
52: };
53:
1.14 misha 54: enum Result_optimization {
55: RO_UNKNOWN,
56: RO_USE_RESULT, // write to $result detected, will not collect all writes to output scope.
57: RO_USE_WCONTEXT // native code or parser code without $result usage.
58: };
59:
1.13 misha 60: enum Call_optimization {
61: CO_NONE,
1.26 ! moko 62: CO_WITHOUT_FRAME, // for some native methods method frame is not required, faster but $self is unavailable
! 63: CO_WITHOUT_WCONTEXT // for all native methods wcontext is not required, as no $result, faster
1.13 misha 64: };
65:
1.2 paf 66: Call_type call_type;
1.24 moko 67: /// either numbered params for native-code methods = operators
1.2 paf 68: int min_numbered_params_count, max_numbered_params_count;
1.24 moko 69: /// or named params&locals for parser-code methods
1.2 paf 70: ArrayString* params_names; ArrayString* locals_names;
1.24 moko 71: /// the Code
72: ArrayOperation* parser_code; /*OR*/ NativeCodePtr native_code;
73:
74: bool all_vars_local; // in local vars list 'locals' was specified: all vars are local
1.12 misha 75:
76: VJunction *junction_template;
77:
1.25 moko 78: const String *name; // method name, never null
79: const String *extra_params; // method has *name as an argument
1.24 moko 80:
1.14 misha 81: #ifdef OPTIMIZE_RESULT
82: Result_optimization result_optimization;
83: #endif
1.2 paf 84:
1.13 misha 85: #ifdef OPTIMIZE_CALL
86: Call_optimization call_optimization;
87: #endif
88:
1.7 misha 89: Method(
1.13 misha 90: Call_type acall_type,
1.2 paf 91: int amin_numbered_params_count, int amax_numbered_params_count,
92: ArrayString* aparams_names, ArrayString* alocals_names,
1.8 misha 93: ArrayOperation* aparser_code, NativeCodePtr anative_code,
1.15 misha 94: bool aall_vars_local=false
95: #ifdef OPTIMIZE_RESULT
96: , Result_optimization aresult_optimization=RO_UNKNOWN
97: #endif
98: #ifdef OPTIMIZE_CALL
99: , Call_optimization acall_optimization=CO_NONE
100: #endif
101: ) :
1.2 paf 102:
1.13 misha 103: call_type(acall_type),
1.24 moko 104: min_numbered_params_count(amin_numbered_params_count), max_numbered_params_count(amax_numbered_params_count),
1.2 paf 105: params_names(aparams_names), locals_names(alocals_names),
1.8 misha 106: parser_code(aparser_code), native_code(anative_code),
1.24 moko 107: all_vars_local(aall_vars_local),
1.14 misha 108: #ifdef OPTIMIZE_RESULT
109: result_optimization(aresult_optimization),
110: #endif
1.13 misha 111: #ifdef OPTIMIZE_CALL
1.24 moko 112: call_optimization(acall_optimization),
1.13 misha 113: #endif
1.25 moko 114: junction_template(0),
115: name(&String::Empty) {
1.17 moko 116: if (params_names){
117: const char *last_param = params_names->get(params_names->count()-1)->cstr();
1.18 moko 118: if (last_param[0] == '*' && last_param[1]){
1.17 moko 119: extra_params = new String(pa_strdup(last_param+1));
120: params_names->remove(params_names->count()-1);
121: return;
122: }
123: }
124: extra_params = NULL;
1.2 paf 125: }
126:
127: /// call this before invoking to ensure proper actual numbered params count
1.24 moko 128: void check_actual_numbered_params(Value& self, MethodParams* actual_numbered_params) const;
1.20 misha 129:
130: VJunction* get_vjunction(Value& aself) {
131: if(!junction_template)
132: return junction_template=new VJunction(aself, this);
133: return junction_template->get(aself);
134: }
1.2 paf 135: };
136:
137: #endif
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