Annotation of parser3/src/main/compile_tools.h, revision 1.67.2.1
1.32 paf 1: /** @file
1.33 paf 2: Parser: compiler support helper functions decls.
3:
1.67 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:
1.67.2.1! paf 11: static const char* IDENT_COMPILE_TOOLS_H="$Date: 2003/01/21 15:51:13 $";
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,
1.65 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
1.3 paf 45: Pool *pool;
1.14 paf 46: Request *request;
1.30 paf 47: VStateless_class *cclass;
1.66 paf 48: #ifndef NO_STRING_ORIGIN
1.29 paf 49: const char *source;
50: const char *file;
1.44 parser 51: #endif
1.4 paf 52: int line, col;
1.38 paf 53: //@}
54: //@{
55: /// @name state; initially
1.45 parser 56: bool trim_bof;
1.38 paf 57: int pending_state; ///< i=0
1.67.2.1! paf 58: StringPtr string; ///< lexical string accumulator
1.1 paf 59:
60: #define MAX_LEXICAL_STATES 100
1.38 paf 61: enum lexical_state ls; ///< =LS_USER;
1.54 paf 62: int ls_sp; ///< =0
63: enum lexical_state ls_stack[MAX_LEXICAL_STATES];
1.38 paf 64: int brackets_nestages[MAX_LEXICAL_STATES]; ///< brackets nestage on each state
1.46 parser 65:
1.56 paf 66: bool in_call_value;
1.38 paf 67: //@}
1.1 paf 68:
1.36 paf 69: /// output: filled input 'methods' and 'error' if any
1.5 paf 70: char error[MAX_STRING];
1.1 paf 71: };
72:
1.36 paf 73: /// New array // return empty array
1.67.2.1! paf 74: inline ArrayCodePtr N() {
! 75: return new ArrayCode;
1.3 paf 76: }
77:
1.36 paf 78: /// Assembler instruction // append ordinary instruction to ops
1.28 paf 79: inline void O(Array/*<Operation>*/ *result, enum OPCODE code) {
1.3 paf 80: Operation op; op.code=code;
81: *result+=op.cast;
82: }
83:
1.36 paf 84: /// aPpend 'code_array' to 'result'
1.28 paf 85: inline void P(Array/*<Operation>*/ *result, Array *code_array) {
1.3 paf 86: result->append_array(*code_array);
1.11 paf 87: }
1.36 paf 88: /// aPpend part of 'code_array', starting from offset, to 'result'
1.28 paf 89: inline void P(Array/*<Operation>*/ *result, Array *code_array, int offset) {
1.11 paf 90: result->append_array(*code_array, offset);
1.3 paf 91: }
1.53 paf 92:
1.36 paf 93: /// aPpend 'vstring' to 'result'
1.61 paf 94: void PV(Array/*<Operation>*/ *result, Value *value);
95:
96: inline void OA(Array/*<Operation>*/ *result, OPCODE opcode, Array/*<Operation>*/ *code_array) {
97: // append OP_CODE
98: Operation op; op.code=opcode;
99: *result+=op.cast;
100:
101: // append 'vstring'
102: *result+=code_array;
103: }
1.1 paf 104:
1.36 paf 105: /**
106: Value Literal // returns array with
107: - first: OP_VALUE instruction
108: - second op: string itself
109: */
1.61 paf 110: inline Array *VL(Value *value) {
111: // empty ops array
112: Array *result=N(value->pool());
113:
114: // append 'value' to 'result'
115: PV(result, value);
116:
117: return result;
118: }
119:
1.36 paf 120: /// Literal Array to(2) Value @return Value from literal Array OP+Value
121: Value *LA2V(Array *literal_string_array, int offset=0);
122: /// Literal Array to(2) String @return String value from literal Array OP+String array
123: inline const String *LA2S(Array *literal_string_array, int offset=0) {
1.37 paf 124: if(Value *value=LA2V(literal_string_array, offset))
125: return value->get_string();
126: return 0;
1.36 paf 127: }
1.61 paf 128:
129: inline void change_string_literal_to_write_string_literal(Array *literal_string_array) {
130: Operation op; op.code=OP_STRING__WRITE;
131: literal_string_array->put(0, op.cast);
132: }
133:
134: void changetail_or_append(Array *opcodes,
135: OPCODE find, bool with_argument, OPCODE replace, OPCODE notfound);
136:
1.19 paf 137: void change_string_literal_to_double_literal(Array *literal_string_array);
1.64 paf 138:
139: void change_string_literal_value(Array *literal_string_array, const String& new_value);
1.1 paf 140:
1.35 paf 141: void push_LS(parse_control& pc, lexical_state new_state);
142: void pop_LS(parse_control& pc);
1.1 paf 143:
144: #endif
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