Annotation of parser3/src/main/compile_tools.h, revision 1.64
1.32 paf 1: /** @file
1.33 paf 2: Parser: compiler support helper functions decls.
3:
1.57 paf 4: Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com)
1.58 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.1 paf 6: */
7:
8: #ifndef COMPILE_TOOLS
9: #define COMPILE_TOOLS
1.62 paf 10:
1.64 ! paf 11: static const char* IDENT_COMPILE_TOOLS_H="$Date: 2002/08/01 11:41:17 $";
1.1 paf 12:
1.39 paf 13: #include "pa_opcode.h"
1.1 paf 14: #include "pa_types.h"
1.10 paf 15: #include "pa_vstring.h"
1.14 paf 16: #include "pa_request.h"
1.1 paf 17:
18: enum lexical_state {
1.48 parser 19: LS_USER, LS_NAME_SQUARE_PART,
1.34 paf 20: LS_COMMENT,
1.7 paf 21: LS_DEF_NAME,
22: LS_DEF_PARAMS,
23: LS_DEF_LOCALS,
24: LS_DEF_COMMENT,
1.18 paf 25: LS_DEF_SPECIAL_BODY,
1.42 parser 26: LS_EXPRESSION_STRING_QUOTED,
27: LS_EXPRESSION_STRING_APOSTROFED,
1.48 parser 28: LS_EXPRESSION_VAR_NAME_WITH_COLON, LS_EXPRESSION_VAR_NAME_WITHOUT_COLON,
29: LS_VAR_NAME_SIMPLE_WITH_COLON, LS_VAR_NAME_SIMPLE_WITHOUT_COLON,
1.1 paf 30: LS_VAR_NAME_CURLY,
1.22 paf 31: LS_VAR_ROUND,
1.18 paf 32: LS_VAR_SQUARE,
1.1 paf 33: LS_VAR_CURLY,
34: LS_METHOD_NAME,
1.18 paf 35: LS_METHOD_SQUARE,
1.1 paf 36: LS_METHOD_CURLY,
1.22 paf 37: LS_METHOD_ROUND,
1.1 paf 38: LS_METHOD_AFTER
39: };
1.38 paf 40: /// compiler status
1.1 paf 41: struct parse_control {
1.38 paf 42: //@{
43: /// @name input
1.3 paf 44: Pool *pool;
1.14 paf 45: Request *request;
1.30 paf 46: VStateless_class *cclass;
1.1 paf 47: #ifndef NO_CSTRING_ORIGIN
1.29 paf 48: const char *source;
49: const char *file;
1.44 parser 50: #endif
1.4 paf 51: int line, col;
1.38 paf 52: //@}
53: //@{
54: /// @name state; initially
1.45 parser 55: bool trim_bof;
1.38 paf 56: int pending_state; ///< i=0
57: String *string; ///< =new(pool) String(pool)
1.1 paf 58:
59: #define MAX_LEXICAL_STATES 100
1.38 paf 60: enum lexical_state ls; ///< =LS_USER;
1.54 paf 61: int ls_sp; ///< =0
62: enum lexical_state ls_stack[MAX_LEXICAL_STATES];
1.38 paf 63: int brackets_nestages[MAX_LEXICAL_STATES]; ///< brackets nestage on each state
1.46 parser 64:
1.56 paf 65: bool in_call_value;
1.38 paf 66: //@}
1.1 paf 67:
1.36 paf 68: /// output: filled input 'methods' and 'error' if any
1.5 paf 69: char error[MAX_STRING];
1.1 paf 70: };
71:
1.36 paf 72: /// New array // return empty array
1.28 paf 73: inline Array/*<Operation>*/ *N(Pool& pool) {
74: return new(pool) Array/*<Operation>*/(pool);
1.3 paf 75: }
76:
1.36 paf 77: /// Assembler instruction // append ordinary instruction to ops
1.28 paf 78: inline void O(Array/*<Operation>*/ *result, enum OPCODE code) {
1.3 paf 79: Operation op; op.code=code;
80: *result+=op.cast;
81: }
82:
1.36 paf 83: /// aPpend 'code_array' to 'result'
1.28 paf 84: inline void P(Array/*<Operation>*/ *result, Array *code_array) {
1.3 paf 85: result->append_array(*code_array);
1.11 paf 86: }
1.36 paf 87: /// aPpend part of 'code_array', starting from offset, to 'result'
1.28 paf 88: inline void P(Array/*<Operation>*/ *result, Array *code_array, int offset) {
1.11 paf 89: result->append_array(*code_array, offset);
1.3 paf 90: }
1.53 paf 91:
1.36 paf 92: /// aPpend 'vstring' to 'result'
1.61 paf 93: void PV(Array/*<Operation>*/ *result, Value *value);
94:
95: inline void OA(Array/*<Operation>*/ *result, OPCODE opcode, Array/*<Operation>*/ *code_array) {
96: // append OP_CODE
97: Operation op; op.code=opcode;
98: *result+=op.cast;
99:
100: // append 'vstring'
101: *result+=code_array;
102: }
1.1 paf 103:
1.36 paf 104: /**
105: Value Literal // returns array with
106: - first: OP_VALUE instruction
107: - second op: string itself
108: */
1.61 paf 109: inline Array *VL(Value *value) {
110: // empty ops array
111: Array *result=N(value->pool());
112:
113: // append 'value' to 'result'
114: PV(result, value);
115:
116: return result;
117: }
118:
1.36 paf 119: /// Literal Array to(2) Value @return Value from literal Array OP+Value
120: Value *LA2V(Array *literal_string_array, int offset=0);
121: /// Literal Array to(2) String @return String value from literal Array OP+String array
122: inline const String *LA2S(Array *literal_string_array, int offset=0) {
1.37 paf 123: if(Value *value=LA2V(literal_string_array, offset))
124: return value->get_string();
125: return 0;
1.36 paf 126: }
1.61 paf 127:
128: inline void change_string_literal_to_write_string_literal(Array *literal_string_array) {
129: Operation op; op.code=OP_STRING__WRITE;
130: literal_string_array->put(0, op.cast);
131: }
132:
133: void changetail_or_append(Array *opcodes,
134: OPCODE find, bool with_argument, OPCODE replace, OPCODE notfound);
135:
1.19 paf 136: void change_string_literal_to_double_literal(Array *literal_string_array);
1.64 ! paf 137:
! 138: void change_string_literal_value(Array *literal_string_array, const String& new_value);
1.1 paf 139:
1.35 paf 140: void push_LS(parse_control& pc, lexical_state new_state);
141: void pop_LS(parse_control& pc);
1.1 paf 142:
143: #endif
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