Annotation of parser3/src/main/compile_tools.h, revision 1.44
1.32 paf 1: /** @file
1.33 paf 2: Parser: compiler support helper functions decls.
3:
1.26 paf 4: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.33 paf 5:
1.27 paf 6: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.26 paf 7:
1.44 ! parser 8: $Id: compile_tools.h,v 1.43 2001/07/25 08:16:21 parser Exp $
1.1 paf 9: */
10:
11: #ifndef COMPILE_TOOLS
12: #define COMPILE_TOOLS
13:
1.40 parser 14: #include "pa_config_includes.h"
1.39 paf 15: #include "pa_opcode.h"
1.1 paf 16: #include "pa_types.h"
1.10 paf 17: #include "pa_vstring.h"
1.14 paf 18: #include "pa_request.h"
1.1 paf 19:
20: enum lexical_state {
21: LS_USER,
1.34 paf 22: LS_COMMENT,
1.7 paf 23: LS_DEF_NAME,
24: LS_DEF_PARAMS,
25: LS_DEF_LOCALS,
26: LS_DEF_COMMENT,
1.18 paf 27: LS_DEF_SPECIAL_BODY,
1.42 parser 28: LS_EXPRESSION_STRING_QUOTED,
29: LS_EXPRESSION_STRING_APOSTROFED,
1.22 paf 30: LS_EXPRESSION_VAR_NAME,
1.1 paf 31: LS_VAR_NAME_SIMPLE,
32: LS_VAR_NAME_CURLY,
1.41 parser 33: LS_VAR_NAME_NO_COLON,
1.22 paf 34: LS_VAR_ROUND,
1.18 paf 35: LS_VAR_SQUARE,
1.1 paf 36: LS_VAR_CURLY,
37: LS_METHOD_NAME,
1.18 paf 38: LS_METHOD_SQUARE,
1.1 paf 39: LS_METHOD_CURLY,
1.22 paf 40: LS_METHOD_ROUND,
1.1 paf 41: LS_METHOD_AFTER
42: };
1.38 paf 43: /// compiler status
1.1 paf 44: struct parse_control {
1.38 paf 45: //@{
46: /// @name input
1.3 paf 47: Pool *pool;
1.14 paf 48: Request *request;
1.30 paf 49: VStateless_class *cclass;
1.1 paf 50: #ifndef NO_CSTRING_ORIGIN
1.29 paf 51: const char *source;
52: const char *file;
1.44 ! parser 53: #endif
1.4 paf 54: int line, col;
1.38 paf 55: //@}
56: //@{
57: /// @name state; initially
1.44 ! parser 58: bool skipping_bof_empty_lines;
1.38 paf 59: int pending_state; ///< i=0
60: String *string; ///< =new(pool) String(pool)
1.1 paf 61:
62: #define MAX_LEXICAL_STATES 100
1.38 paf 63: enum lexical_state ls; ///< =LS_USER;
64: int sp; ///< =0
1.1 paf 65: enum lexical_state stack[MAX_LEXICAL_STATES];
1.38 paf 66: int brackets_nestages[MAX_LEXICAL_STATES]; ///< brackets nestage on each state
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
1.28 paf 74: inline Array/*<Operation>*/ *N(Pool& pool) {
75: return new(pool) Array/*<Operation>*/(pool);
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: /// Argument Eval_expression // append eval_expression to ops
1.28 paf 85: inline void AE(Array/*<Operation>*/ *result, char *eval_expression) {
1.3 paf 86: *result+=eval_expression;
87: }
88:
1.36 paf 89: /// aPpend 'code_array' to 'result'
1.28 paf 90: inline void P(Array/*<Operation>*/ *result, Array *code_array) {
1.3 paf 91: result->append_array(*code_array);
1.11 paf 92: }
1.36 paf 93: /// aPpend part of 'code_array', starting from offset, to 'result'
1.28 paf 94: inline void P(Array/*<Operation>*/ *result, Array *code_array, int offset) {
1.11 paf 95: result->append_array(*code_array, offset);
1.3 paf 96: }
1.36 paf 97: /// aPpend 'vstring' to 'result'
1.28 paf 98: void PV(Array/*<Operation>*/ *result, VString *vstring);
1.43 parser 99: /// Parameter 'simple Code_Array'
1.28 paf 100: void PCA(Array/*<Operation>*/ *result, Array/*<Operation>*/ *code_array);
1.43 parser 101: /// Parameter 'Expression code_Array'
1.31 paf 102: void PEA(Array/*<Operation>*/ *result, Array/*<Operation>*/ *code_array);
1.43 parser 103: /// Construct 'simple Code_Array'
104: void CCA(Array/*<Operation>*/ *result, Array/*<Operation>*/ *code_array);
1.1 paf 105:
1.36 paf 106: /**
107: Value Literal // returns array with
108: - first: OP_VALUE instruction
109: - second op: string itself
110: */
1.21 paf 111: Array *VL(Value *value);
1.36 paf 112: /// Literal Array to(2) Value @return Value from literal Array OP+Value
113: Value *LA2V(Array *literal_string_array, int offset=0);
114: /// Literal Array to(2) String @return String value from literal Array OP+String array
115: inline const String *LA2S(Array *literal_string_array, int offset=0) {
1.37 paf 116: if(Value *value=LA2V(literal_string_array, offset))
117: return value->get_string();
118: return 0;
1.36 paf 119: }
1.19 paf 120: void change_string_literal_to_double_literal(Array *literal_string_array);
1.25 paf 121: void change_string_literal_to_write_string_literal(Array *literal_string_array);
1.1 paf 122:
1.35 paf 123: void push_LS(parse_control& pc, lexical_state new_state);
124: void pop_LS(parse_control& pc);
1.1 paf 125:
126: #endif
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