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| version 1.67.2.8.2.9, 2003/04/03 12:40:53 | version 1.74.12.1, 2005/08/05 13:01:16 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: compiler support helper functions decls. | Parser: compiler support helper functions decls. |
| Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2004 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| */ | */ |
| #ifndef COMPILE_TOOLS | #ifndef COMPILE_TOOLS |
| #define COMPILE_TOOLS | #define COMPILE_TOOLS |
| static const char* IDENT_COMPILE_TOOLS_H="$Date$"; | static const char * const IDENT_COMPILE_TOOLS_H="$Date$"; |
| #include "pa_opcode.h" | #include "pa_opcode.h" |
| #include "pa_types.h" | #include "pa_types.h" |
| #include "pa_vstring.h" | #include "pa_vstring.h" |
| #include "pa_request.h" | #include "pa_request.h" |
| /// used to track source column number | |
| #define TAB_SIZE 8 | |
| enum lexical_state { | enum lexical_state { |
| LS_USER, LS_NAME_SQUARE_PART, | LS_USER, LS_NAME_SQUARE_PART, |
| LS_USER_COMMENT, | LS_USER_COMMENT, |
| Line 40 enum lexical_state { | Line 43 enum lexical_state { |
| }; | }; |
| struct Pos { | struct Pos { |
| uint line; | int line; |
| uint col; | int col; |
| //Pos(uint aline, uint acol): line(aline), col(acol) {} | Pos(int aline, int acol): line(aline), col(acol) {} |
| Pos(): line(0), col(0) {} | Pos(): line(0), col(0) {} |
| void clear() { line=col=0; } | void clear() { line=col=0; } |
| Line 67 public: | Line 70 public: |
| /// @name state; initially | /// @name state; initially |
| bool trim_bof; | bool trim_bof; |
| int pending_state; ///< i=0 | int pending_state; ///< i=0 |
| StringBody string; ///< lexical string accumulator | String::Body string; ///< lexical string accumulator |
| Pos string_start; | Pos string_start; |
| #define MAX_LEXICAL_STATES 100 | #define MAX_LEXICAL_STATES 100 |
| Line 77 public: | Line 80 public: |
| int brackets_nestages[MAX_LEXICAL_STATES]; ///< brackets nestage on each state | int brackets_nestages[MAX_LEXICAL_STATES]; ///< brackets nestage on each state |
| bool in_call_value; | bool in_call_value; |
| bool explicit_result; | |
| //@} | //@} |
| /// output: filled input 'methods' and 'error' if any | /// output: filled input 'methods' and 'error' if any |
| Line 85 public: | Line 89 public: |
| Parse_control(Request& arequest, | Parse_control(Request& arequest, |
| VStateless_class* aclass, | VStateless_class* aclass, |
| const char* asource, const String* amain_alias, | const char* asource, const String* amain_alias, |
| uint afile_no): | uint afile_no, |
| int line_no_offset): | |
| main_alias(amain_alias), | |
| last_line_end_col(0), | |
| request(arequest), // input | request(arequest), // input |
| // we were told the class to compile to? | // we were told the class to compile to? |
| cclass(aclass), // until changed with @CLASS would consider operators loading | cclass(aclass), // until changed with @CLASS would consider operators loading |
| source(asource), | |
| source(asource), main_alias(amain_alias), | |
| file_no(afile_no), | file_no(afile_no), |
| last_line_end_col(0), | pos(line_no_offset, 0), |
| // initialize state | // initialize state |
| trim_bof(true), | trim_bof(true), |
| pending_state(0), | pending_state(0), |
| ls(LS_USER), | ls(LS_USER), |
| ls_sp(0), | ls_sp(0), |
| in_call_value(false) {} | in_call_value(false), |
| explicit_result(false) {} | |
| void pos_next_line() { | void pos_next_line() { |
| pos.line++; | pos.line++; |
| last_line_end_col=pos.col; | last_line_end_col=pos.col; |
| pos.col=0; | pos.col=0; |
| } | } |
| void pos_next_c(char c) { | |
| if(c=='\t') | |
| pos.col=(pos.col+TAB_SIZE)&~(TAB_SIZE-1); | |
| else | |
| pos.col++; | |
| } | |
| /// not precise in case of \t in the middle of the text | |
| void pos_prev_c() { | void pos_prev_c() { |
| if(pos.col==0) { | if(pos.col==0) { |
| --pos.line; pos.col=last_line_end_col; | --pos.line; pos.col=last_line_end_col; |
| Line 125 inline ArrayOperation* N() { | Line 139 inline ArrayOperation* N() { |
| return new ArrayOperation; | return new ArrayOperation; |
| } | } |
| /// Assembler instruction // append ordinary instruction to ops | /// Assembler instruction // append ordinary instruction to ops |
| inline void O(ArrayOperation& result, OPCODE code) { | inline void O(ArrayOperation& result, OPCODE code) { |
| result+=Operation(code); | result+=Operation(code); |
| } | } |
| Line 147 inline void OA(ArrayOperation& result, O | Line 161 inline void OA(ArrayOperation& result, O |
| /** | /** |
| Value Literal // returns array with | Value Literal // returns array with |
| - first: OP_VALUE instruction | - first op: OP_VALUE instruction |
| - second op: string itself | - second op: origin (debug information) |
| - third op: string itself | |
| */ | */ |
| inline ArrayOperation* VL(Value* value, uint file_no, uint line, uint col) { | inline ArrayOperation* VL(Value* value, uint file_no, uint line, uint col) { |
| // empty ops array | // empty ops array |
| ArrayOperation* result=N(); | ArrayOperation& result=*N(); |
| // append 'value' to 'result' | // append 'value' to 'result' |
| *result+=Operation(OP_VALUE, file_no, line, col); // append OP_VALUE | result+=Operation(OP_VALUE); |
| *result+=Operation(value); // append 'value' | result+=Operation(file_no, line, col); // append origin |
| result+=Operation(value); // append 'value' | |
| return result; | return &result; |
| } | } |
| /// Literal Array to(2) Value @return Value from literal Array OP+Value | /// Literal Array to(2) Value @return Value from literal Array OP+origin+Value |
| Value* LA2V(ArrayOperation& literal_string_array, int offset=0); | Value* LA2V(ArrayOperation& literal_string_array, int offset=0); |
| /// Literal Array to(2) String @return String value from literal Array OP+String array | /// Literal Array to(2) String @return String value from literal Array OP+origin+String array |
| inline const String* LA2S(ArrayOperation& literal_string_array, int offset=0) { | inline const String* LA2S(ArrayOperation& literal_string_array, int offset=0) { |
| if(Value* value=LA2V(literal_string_array, offset)) | if(Value* value=LA2V(literal_string_array, offset)) |
| return value->get_string(); | return value->get_string(); |
| Line 175 inline void change_string_literal_to_wri | Line 191 inline void change_string_literal_to_wri |
| } | } |
| void change_string_literal_to_double_literal(ArrayOperation& literal_string_array); | void maybe_change_string_literal_to_double_literal(ArrayOperation& literal_string_array); |
| void change_string_literal_value(ArrayOperation& literal_string_array, const String& new_value); | void change_string_literal_value(ArrayOperation& literal_string_array, const String& new_value); |