|
|
| version 1.29, 2001/03/12 09:08:50 | version 1.67.2.4, 2003/01/30 14:59:44 |
|---|---|
| Line 1 | Line 1 |
| /* | /** @file |
| Parser | Parser: compiler support helper functions decls. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| $Id$ | Copyright (c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | |
| */ | */ |
| #ifndef COMPILE_TOOLS | #ifndef COMPILE_TOOLS |
| #define COMPILE_TOOLS | #define COMPILE_TOOLS |
| #include "code.h" | static const char* IDENT_COMPILE_TOOLS_H="$Date$"; |
| #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" |
| enum lexical_state { | enum lexical_state { |
| LS_USER, | LS_USER, LS_NAME_SQUARE_PART, |
| LS_USER_COMMENT, | |
| LS_DEF_NAME, | LS_DEF_NAME, |
| LS_DEF_PARAMS, | LS_DEF_PARAMS, |
| LS_DEF_LOCALS, | LS_DEF_LOCALS, |
| LS_DEF_COMMENT, | LS_DEF_COMMENT, |
| LS_DEF_SPECIAL_BODY, | LS_DEF_SPECIAL_BODY, |
| LS_EXPRESSION_STRING, | LS_EXPRESSION_STRING_QUOTED, |
| LS_EXPRESSION_VAR_NAME, | LS_EXPRESSION_STRING_APOSTROFED, |
| LS_VAR_NAME_SIMPLE, | LS_EXPRESSION_VAR_NAME_WITH_COLON, LS_EXPRESSION_VAR_NAME_WITHOUT_COLON, |
| LS_EXPRESSION_COMMENT, | |
| LS_VAR_NAME_SIMPLE_WITH_COLON, LS_VAR_NAME_SIMPLE_WITHOUT_COLON, | |
| LS_VAR_NAME_CURLY, | LS_VAR_NAME_CURLY, |
| LS_VAR_ROUND, | LS_VAR_ROUND, |
| LS_VAR_SQUARE, | LS_VAR_SQUARE, |
| Line 34 enum lexical_state { | Line 38 enum lexical_state { |
| LS_METHOD_ROUND, | LS_METHOD_ROUND, |
| LS_METHOD_AFTER | LS_METHOD_AFTER |
| }; | }; |
| /// compiler status | |
| struct parse_control { | struct parse_control { |
| // input | //@{ |
| /// @name input | |
| Pool *pool; | Pool *pool; |
| Request *request; | Request *request; |
| VClass *cclass; | VStateless_classPtr cclass; |
| #ifndef NO_CSTRING_ORIGIN | #ifndef NO_STRING_ORIGIN |
| const char *source; | const char *source; |
| const char *file; | const char *file; |
| int line, col; | |
| #endif | #endif |
| // state | int line, col; |
| int pending_state; //=0 | //@} |
| String *string; //=new(pool) String(pool) | //@{ |
| /// @name state; initially | |
| bool trim_bof; | |
| int pending_state; ///< i=0 | |
| StringPtr string; ///< lexical string accumulator | |
| #define MAX_LEXICAL_STATES 100 | #define MAX_LEXICAL_STATES 100 |
| enum lexical_state ls; //=LS_USER; | enum lexical_state ls; ///< =LS_USER; |
| int sp; //=0 | int ls_sp; ///< =0 |
| enum lexical_state stack[MAX_LEXICAL_STATES]; | enum lexical_state ls_stack[MAX_LEXICAL_STATES]; |
| int brackets_nestages[MAX_LEXICAL_STATES]; | int brackets_nestages[MAX_LEXICAL_STATES]; ///< brackets nestage on each state |
| bool in_call_value; | |
| //@} | |
| // output: filled input 'methods' and 'error' if any | /// output: filled input 'methods' and 'error' if any |
| char error[MAX_STRING]; | char error[MAX_STRING]; |
| }; | }; |
| // New array // return empty array | /// New array // return empty array |
| inline Array/*<Operation>*/ *N(Pool& pool) { | inline ArrayOperationPtr N() { |
| return new(pool) Array/*<Operation>*/(pool); | return ArrayOperationPtr(new ArrayOperation); |
| } | } |
| // Assembler instruction // append ordinary instruction to ops | /// Assembler instruction // append ordinary instruction to ops |
| inline void O(Array/*<Operation>*/ *result, enum OPCODE code) { | inline void O(ArrayOperation& result, OPCODE code) { |
| Operation op; op.code=code; | result+=Operation(code); |
| *result+=op.cast; | |
| } | } |
| // Argument Eval_expression // append eval_expression to ops | /// aPpend 'code_array' to 'result' |
| inline void AE(Array/*<Operation>*/ *result, char *eval_expression) { | inline void P(ArrayOperation& result, ArrayOperation& code_array) { |
| *result+=eval_expression; | result.append(code_array); |
| } | |
| /// aPpend part of 'code_array', starting from offset, to 'result' | |
| inline void P(ArrayOperation& result, ArrayOperation& code_array, int offset) { | |
| result.append(code_array, offset); | |
| } | } |
| // aPpend 'code_array' to 'result' | /// aPpend 'vstring' to 'result' |
| inline void P(Array/*<Operation>*/ *result, Array *code_array) { | inline void PV(ArrayOperation& result, ValuePtr value) { |
| result->append_array(*code_array); | result+=Operation(OP_VALUE); // append OP_VALUE |
| result+=Operation(value); // append 'value' | |
| } | } |
| // aPpend part of 'code_array', starting from offset, to 'result' | |
| inline void P(Array/*<Operation>*/ *result, Array *code_array, int offset) { | /// append cOde Array |
| result->append_array(*code_array, offset); | inline void OA(ArrayOperation& result, OPCODE code, ArrayOperationPtr code_array) { |
| result+=Operation(code); // append OP_CODE | |
| result+=Operation(code_array); // append 'code_array' | |
| } | } |
| // aPpend 'vstring' to 'result' | |
| void PV(Array/*<Operation>*/ *result, VString *vstring); | |
| // aPpend 'Code_Array' to result | |
| void PCA(Array/*<Operation>*/ *result, Array/*<Operation>*/ *code_array); | |
| /** | |
| Value Literal // returns array with | |
| - first: OP_VALUE instruction | |
| - second op: string itself | |
| */ | |
| inline ArrayOperationPtr VL(ValuePtr value) { | |
| // empty ops array | |
| ArrayOperationPtr result=N(); | |
| // append 'value' to 'result' | |
| PV(*result, value); | |
| return result; | |
| } | |
| /// Literal Array to(2) Value @return Value from literal Array OP+Value | |
| ValuePtr LA2V(ArrayOperation& literal_string_array, int offset=0); | |
| /// Literal Array to(2) String @return String value from literal Array OP+String array | |
| inline ConstStringPtr LA2S(ArrayOperation& literal_string_array, int offset=0) { | |
| if(ValuePtr value=LA2V(literal_string_array, offset)) | |
| return value->get_string(0); | |
| return 0; | |
| } | |
| inline void change_string_literal_to_write_string_literal(ArrayOperation& literal_string_array) { | |
| literal_string_array[0].code=OP_STRING__WRITE; | |
| } | |
| void change_string_literal_to_double_literal(ArrayOperation& literal_string_array); | |
| void change_string_literal_value(ArrayOperation& literal_string_array, ConstStringPtr new_value); | |
| // Value Literal // returns array with | void changetail_or_append(ArrayOperation& opcodes, |
| // first: OP_VALUE instruction | OPCODE find, bool with_argument, OPCODE replace, OPCODE notfound); |
| // second op: string itself | |
| Array *VL(Value *value); | |
| // Literal Array to(2) String // return string value from literal array OP+string array | |
| const String *SLA2S(Array *literal_string_array, int offset=0); | |
| void change_string_literal_to_double_literal(Array *literal_string_array); | |
| void change_string_literal_to_write_string_literal(Array *literal_string_array); | |
| void push_LS(struct parse_control *pc, lexical_state new_state); | void push_LS(parse_control& pc, lexical_state new_state); |
| void pop_LS(struct parse_control *pc); | void pop_LS(parse_control& pc); |
| #endif | #endif |