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| version 1.67.2.8.2.3, 2003/03/26 13:59:13 | version 1.71, 2003/11/20 16:34:26 |
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| Line 8 | Line 8 |
| #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 38 enum lexical_state { | Line 41 enum lexical_state { |
| LS_METHOD_ROUND, | LS_METHOD_ROUND, |
| LS_METHOD_AFTER | LS_METHOD_AFTER |
| }; | }; |
| struct Pos { | |
| uint line; | |
| uint col; | |
| //Pos(uint aline, uint acol): line(aline), col(acol) {} | |
| Pos(): line(0), col(0) {} | |
| void clear() { line=col=0; } | |
| operator bool() { return col!=0; } | |
| }; | |
| /// compiler status | /// compiler status |
| struct parse_control { | class Parse_control { |
| const String* main_alias; | |
| uint last_line_end_col; | |
| public: | |
| const String& alias_method(const String& name); | |
| //@{ | //@{ |
| /// @name input | /// @name input |
| Request& request; | Request& request; |
| VStateless_class* cclass; | VStateless_class* cclass; |
| const char* source; | const char* source; |
| const char* file; | uint file_no; |
| int line, col; | Pos pos; |
| //@} | //@} |
| //@{ | //@{ |
| /// @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; | |
| #define MAX_LEXICAL_STATES 100 | #define MAX_LEXICAL_STATES 100 |
| enum lexical_state ls; ///< =LS_USER; | enum lexical_state ls; ///< =LS_USER; |
| Line 66 struct parse_control { | Line 85 struct parse_control { |
| /// output: filled input 'methods' and 'error' if any | /// output: filled input 'methods' and 'error' if any |
| char error[MAX_STRING]; | char error[MAX_STRING]; |
| parse_control(Request& arequest, | Parse_control(Request& arequest, |
| VStateless_class* aclass, | VStateless_class* aclass, |
| const char* asource, | const char* asource, const String* amain_alias, |
| const char* afile): | uint afile_no): |
| 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), | |
| file_no(afile_no), | |
| source(asource), | // initialize state |
| file(afile), | |
| line(0), col(0), | |
| // initialise 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) {} |
| void pos_next_line() { | |
| pos.line++; | |
| last_line_end_col=pos.col; | |
| 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() { | |
| if(pos.col==0) { | |
| --pos.line; pos.col=last_line_end_col; | |
| } else | |
| --pos.col; | |
| } | |
| void ungetc() { | |
| source--; | |
| pos_prev_c(); | |
| } | } |
| }; | }; |
| Line 108 inline void P(ArrayOperation& result, Ar | Line 149 inline void P(ArrayOperation& result, Ar |
| result.append(code_array, offset); | result.append(code_array, offset); |
| } | } |
| /// aPpend 'vstring' to 'result' | |
| inline void PV(ArrayOperation& result, Value* value) { | |
| result+=Operation(OP_VALUE); // append OP_VALUE | |
| result+=Operation(value); // append 'value' | |
| } | |
| /// append cOde Array | /// append cOde Array |
| inline void OA(ArrayOperation& result, OPCODE code, ArrayOperation* code_array) { | inline void OA(ArrayOperation& result, OPCODE code, ArrayOperation* code_array) { |
| result+=Operation(code); // append OP_CODE | result+=Operation(code); // append OP_CODE |
| Line 122 inline void OA(ArrayOperation& result, O | Line 157 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) { | 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' |
| PV(*result, value); | result+=Operation(OP_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 145 inline const String* LA2S(ArrayOperation | Line 183 inline const String* LA2S(ArrayOperation |
| } | } |
| inline void change_string_literal_to_write_string_literal(ArrayOperation& literal_string_array) { | inline void change_string_literal_to_write_string_literal(ArrayOperation& literal_string_array) { |
| literal_string_array[0].code=OP_STRING__WRITE; | literal_string_array.put(0, OP_STRING__WRITE); |
| } | } |
| Line 157 void changetail_or_append(ArrayOperation | Line 195 void changetail_or_append(ArrayOperation |
| OPCODE find, bool with_argument, OPCODE replace, OPCODE notfound); | OPCODE find, bool with_argument, OPCODE replace, OPCODE notfound); |
| void push_LS(parse_control& pc, lexical_state new_state); | void push_LS(Parse_control& pc, lexical_state new_state); |
| void pop_LS(parse_control& pc); | void pop_LS(Parse_control& pc); |
| #endif | #endif |