Annotation of parser3/src/main/compile_tools.h, revision 1.67.2.8.2.8
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:
1.67.2.8.2.8! paf 11: static const char* IDENT_COMPILE_TOOLS_H="$Date: 2003/04/02 16:05:20 $";
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: };
1.67.2.8.2.7 paf 41:
42: struct Pos {
43: uint line;
44: uint col;
45: //Pos(uint aline, uint acol): line(aline), col(acol) {}
46: Pos(): line(0), col(0) {}
47:
48: void clear() { line=col=0; }
49: operator bool() { return col!=0; }
50: };
51:
1.38 paf 52: /// compiler status
1.67.2.8.2.8! paf 53: class Parse_control {
! 54: const String* main_alias;
! 55: public:
! 56: const String& alias_method(const String& name);
1.38 paf 57: //@{
58: /// @name input
1.67.2.8.2.2 paf 59: Request& request;
1.67.2.7 paf 60: VStateless_class* cclass;
1.67.2.6 paf 61: const char* source;
1.67.2.8.2.6 paf 62: uint file_no;
1.67.2.8.2.7 paf 63: Pos pos;
1.38 paf 64: //@}
65: //@{
66: /// @name state; initially
1.45 parser 67: bool trim_bof;
1.38 paf 68: int pending_state; ///< i=0
1.67.2.8.2.2 paf 69: StringBody string; ///< lexical string accumulator
1.67.2.8.2.7 paf 70: Pos string_start;
1.1 paf 71:
72: #define MAX_LEXICAL_STATES 100
1.38 paf 73: enum lexical_state ls; ///< =LS_USER;
1.54 paf 74: int ls_sp; ///< =0
75: enum lexical_state ls_stack[MAX_LEXICAL_STATES];
1.38 paf 76: int brackets_nestages[MAX_LEXICAL_STATES]; ///< brackets nestage on each state
1.46 parser 77:
1.56 paf 78: bool in_call_value;
1.38 paf 79: //@}
1.1 paf 80:
1.36 paf 81: /// output: filled input 'methods' and 'error' if any
1.5 paf 82: char error[MAX_STRING];
1.67.2.8.2.2 paf 83:
1.67.2.8.2.7 paf 84: Parse_control(Request& arequest,
1.67.2.8.2.2 paf 85: VStateless_class* aclass,
1.67.2.8.2.8! paf 86: const char* asource, const String* amain_alias,
1.67.2.8.2.6 paf 87: uint afile_no):
1.67.2.8.2.2 paf 88: request(arequest), // input
89:
90: // we were told the class to compile to?
91: cclass(aclass), // until changed with @CLASS would consider operators loading
92:
1.67.2.8.2.8! paf 93: source(asource), main_alias(amain_alias),
1.67.2.8.2.2 paf 94:
1.67.2.8.2.6 paf 95: file_no(afile_no),
1.67.2.8.2.2 paf 96:
1.67.2.8.2.7 paf 97: // initialize state
1.67.2.8.2.2 paf 98: trim_bof(true),
99: pending_state(0),
100: ls(LS_USER),
101: ls_sp(0),
102: in_call_value(false) {
103: }
1.1 paf 104: };
105:
1.36 paf 106: /// New array // return empty array
1.67.2.8.2.2 paf 107: inline ArrayOperation* N() {
108: return new ArrayOperation;
1.3 paf 109: }
110:
1.67.2.8.2.5 paf 111: /// Assembler instruction // append ordinary instruction to ops
1.67.2.3 paf 112: inline void O(ArrayOperation& result, OPCODE code) {
113: result+=Operation(code);
1.3 paf 114: }
115:
1.36 paf 116: /// aPpend 'code_array' to 'result'
1.67.2.4 paf 117: inline void P(ArrayOperation& result, ArrayOperation& code_array) {
118: result.append(code_array);
1.11 paf 119: }
1.36 paf 120: /// aPpend part of 'code_array', starting from offset, to 'result'
1.67.2.4 paf 121: inline void P(ArrayOperation& result, ArrayOperation& code_array, int offset) {
122: result.append(code_array, offset);
1.3 paf 123: }
1.53 paf 124:
1.67.2.2 paf 125: /// append cOde Array
1.67.2.8.2.2 paf 126: inline void OA(ArrayOperation& result, OPCODE code, ArrayOperation* code_array) {
1.67.2.3 paf 127: result+=Operation(code); // append OP_CODE
128: result+=Operation(code_array); // append 'code_array'
1.61 paf 129: }
1.1 paf 130:
1.36 paf 131: /**
132: Value Literal // returns array with
133: - first: OP_VALUE instruction
134: - second op: string itself
135: */
1.67.2.8.2.6 paf 136: inline ArrayOperation* VL(Value* value, uint file_no, uint line, uint col) {
1.61 paf 137: // empty ops array
1.67.2.8.2.2 paf 138: ArrayOperation* result=N();
1.61 paf 139:
140: // append 'value' to 'result'
1.67.2.8.2.6 paf 141: *result+=Operation(OP_VALUE, file_no, line, col); // append OP_VALUE
142: *result+=Operation(value); // append 'value'
1.61 paf 143:
144: return result;
145: }
146:
1.36 paf 147: /// Literal Array to(2) Value @return Value from literal Array OP+Value
1.67.2.8.2.2 paf 148: Value* LA2V(ArrayOperation& literal_string_array, int offset=0);
1.36 paf 149: /// Literal Array to(2) String @return String value from literal Array OP+String array
1.67.2.8.2.2 paf 150: inline const String* LA2S(ArrayOperation& literal_string_array, int offset=0) {
151: if(Value* value=LA2V(literal_string_array, offset))
152: return value->get_string();
1.67.2.8.2.1 paf 153: return 0;
1.36 paf 154: }
1.61 paf 155:
1.67.2.3 paf 156: inline void change_string_literal_to_write_string_literal(ArrayOperation& literal_string_array) {
1.67.2.8.2.4 paf 157: literal_string_array.put(0, OP_STRING__WRITE);
1.61 paf 158: }
159:
160:
1.67.2.3 paf 161: void change_string_literal_to_double_literal(ArrayOperation& literal_string_array);
162:
1.67.2.8.2.1 paf 163: void change_string_literal_value(ArrayOperation& literal_string_array, const String& new_value);
1.67.2.3 paf 164:
165: void changetail_or_append(ArrayOperation& opcodes,
166: OPCODE find, bool with_argument, OPCODE replace, OPCODE notfound);
1.64 paf 167:
1.1 paf 168:
1.67.2.8.2.7 paf 169: void push_LS(Parse_control& pc, lexical_state new_state);
170: void pop_LS(Parse_control& pc);
1.1 paf 171:
172: #endif
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