Annotation of parser3/src/main/compile_tools.h, revision 1.67.2.8.2.6
1.32 paf 1: /** @file
1.33 paf 2: Parser: compiler support helper functions decls.
3:
1.67.2.6 paf 4: Copyright (c) 2001-2003 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:
1.67.2.8.2.6! paf 11: static const char* IDENT_COMPILE_TOOLS_H="$Date: 2003/03/27 14:51:28 $";
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"
1.67.2.8.2.2 paf 17:
1.1 paf 18: enum lexical_state {
1.48 parser 19: LS_USER, LS_NAME_SQUARE_PART,
1.65 paf 20: LS_USER_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,
1.65 paf 29: LS_EXPRESSION_COMMENT,
1.48 parser 30: LS_VAR_NAME_SIMPLE_WITH_COLON, LS_VAR_NAME_SIMPLE_WITHOUT_COLON,
1.1 paf 31: LS_VAR_NAME_CURLY,
1.22 paf 32: LS_VAR_ROUND,
1.18 paf 33: LS_VAR_SQUARE,
1.1 paf 34: LS_VAR_CURLY,
35: LS_METHOD_NAME,
1.18 paf 36: LS_METHOD_SQUARE,
1.1 paf 37: LS_METHOD_CURLY,
1.22 paf 38: LS_METHOD_ROUND,
1.1 paf 39: LS_METHOD_AFTER
40: };
1.38 paf 41: /// compiler status
1.1 paf 42: struct parse_control {
1.38 paf 43: //@{
44: /// @name input
1.67.2.8.2.2 paf 45: Request& request;
1.67.2.7 paf 46: VStateless_class* cclass;
1.67.2.6 paf 47: const char* source;
1.67.2.8.2.6! paf 48: //const char* file;
! 49: uint file_no;
! 50: uint line;
! 51: uint 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
1.67.2.8.2.2 paf 57: StringBody string; ///< lexical string accumulator
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];
1.67.2.8.2.2 paf 70:
71: parse_control(Request& arequest,
72: VStateless_class* aclass,
73: const char* asource,
1.67.2.8.2.6! paf 74: uint afile_no):
1.67.2.8.2.2 paf 75: request(arequest), // input
76:
77: // we were told the class to compile to?
78: cclass(aclass), // until changed with @CLASS would consider operators loading
79:
80: source(asource),
81:
1.67.2.8.2.6! paf 82: file_no(afile_no),
1.67.2.8.2.2 paf 83: line(0), col(0),
84:
85: // initialise state
86: trim_bof(true),
87: pending_state(0),
88: ls(LS_USER),
89: ls_sp(0),
90: in_call_value(false) {
91: }
1.1 paf 92: };
93:
1.36 paf 94: /// New array // return empty array
1.67.2.8.2.2 paf 95: inline ArrayOperation* N() {
96: return new ArrayOperation;
1.3 paf 97: }
98:
1.67.2.8.2.5 paf 99: /// Assembler instruction // append ordinary instruction to ops
1.67.2.3 paf 100: inline void O(ArrayOperation& result, OPCODE code) {
101: result+=Operation(code);
1.3 paf 102: }
103:
1.36 paf 104: /// aPpend 'code_array' to 'result'
1.67.2.4 paf 105: inline void P(ArrayOperation& result, ArrayOperation& code_array) {
106: result.append(code_array);
1.11 paf 107: }
1.36 paf 108: /// aPpend part of 'code_array', starting from offset, to 'result'
1.67.2.4 paf 109: inline void P(ArrayOperation& result, ArrayOperation& code_array, int offset) {
110: result.append(code_array, offset);
1.3 paf 111: }
1.53 paf 112:
1.67.2.2 paf 113: /// append cOde Array
1.67.2.8.2.2 paf 114: inline void OA(ArrayOperation& result, OPCODE code, ArrayOperation* code_array) {
1.67.2.3 paf 115: result+=Operation(code); // append OP_CODE
116: result+=Operation(code_array); // append 'code_array'
1.61 paf 117: }
1.1 paf 118:
1.36 paf 119: /**
120: Value Literal // returns array with
121: - first: OP_VALUE instruction
122: - second op: string itself
123: */
1.67.2.8.2.6! paf 124: inline ArrayOperation* VL(Value* value, uint file_no, uint line, uint col) {
1.61 paf 125: // empty ops array
1.67.2.8.2.2 paf 126: ArrayOperation* result=N();
1.61 paf 127:
128: // append 'value' to 'result'
1.67.2.8.2.6! paf 129: *result+=Operation(OP_VALUE, file_no, line, col); // append OP_VALUE
! 130: *result+=Operation(value); // append 'value'
1.61 paf 131:
132: return result;
133: }
134:
1.36 paf 135: /// Literal Array to(2) Value @return Value from literal Array OP+Value
1.67.2.8.2.2 paf 136: Value* LA2V(ArrayOperation& literal_string_array, int offset=0);
1.36 paf 137: /// Literal Array to(2) String @return String value from literal Array OP+String array
1.67.2.8.2.2 paf 138: inline const String* LA2S(ArrayOperation& literal_string_array, int offset=0) {
139: if(Value* value=LA2V(literal_string_array, offset))
140: return value->get_string();
1.67.2.8.2.1 paf 141: return 0;
1.36 paf 142: }
1.61 paf 143:
1.67.2.3 paf 144: inline void change_string_literal_to_write_string_literal(ArrayOperation& literal_string_array) {
1.67.2.8.2.4 paf 145: literal_string_array.put(0, OP_STRING__WRITE);
1.61 paf 146: }
147:
148:
1.67.2.3 paf 149: void change_string_literal_to_double_literal(ArrayOperation& literal_string_array);
150:
1.67.2.8.2.1 paf 151: void change_string_literal_value(ArrayOperation& literal_string_array, const String& new_value);
1.67.2.3 paf 152:
153: void changetail_or_append(ArrayOperation& opcodes,
154: OPCODE find, bool with_argument, OPCODE replace, OPCODE notfound);
1.64 paf 155:
1.1 paf 156:
1.35 paf 157: void push_LS(parse_control& pc, lexical_state new_state);
158: void pop_LS(parse_control& pc);
1.1 paf 159:
160: #endif
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