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| version 1.31, 2001/03/16 09:52:59 | version 1.38, 2001/04/26 14:55:28 |
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| Line 1 | Line 1 |
| /* | /** @file |
| Parser | Parser: compiler support helper functions decls. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) |
| $Id$ | $Id$ |
| Line 16 | Line 18 |
| enum lexical_state { | enum lexical_state { |
| LS_USER, | LS_USER, |
| LS_COMMENT, | |
| LS_DEF_NAME, | LS_DEF_NAME, |
| LS_DEF_PARAMS, | LS_DEF_PARAMS, |
| LS_DEF_LOCALS, | LS_DEF_LOCALS, |
| Line 34 enum lexical_state { | Line 37 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; |
| VStateless_class *cclass; | VStateless_class *cclass; |
| Line 44 struct parse_control { | Line 49 struct parse_control { |
| const char *file; | const char *file; |
| int line, col; | int line, col; |
| #endif | #endif |
| // state | //@} |
| int pending_state; //=0 | //@{ |
| String *string; //=new(pool) String(pool) | /// @name state; initially |
| int pending_state; ///< i=0 | |
| String *string; ///< =new(pool) String(pool) | |
| #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 sp; ///< =0 |
| enum lexical_state stack[MAX_LEXICAL_STATES]; | enum lexical_state stack[MAX_LEXICAL_STATES]; |
| int brackets_nestages[MAX_LEXICAL_STATES]; | int brackets_nestages[MAX_LEXICAL_STATES]; ///< brackets nestage on each state |
| //@} | |
| // 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 Array/*<Operation>*/ *N(Pool& pool) { |
| return new(pool) Array/*<Operation>*/(pool); | return new(pool) Array/*<Operation>*/(pool); |
| } | } |
| // 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(Array/*<Operation>*/ *result, enum OPCODE code) { |
| Operation op; op.code=code; | Operation op; op.code=code; |
| *result+=op.cast; | *result+=op.cast; |
| } | } |
| // Argument Eval_expression // append eval_expression to ops | /// Argument Eval_expression // append eval_expression to ops |
| inline void AE(Array/*<Operation>*/ *result, char *eval_expression) { | inline void AE(Array/*<Operation>*/ *result, char *eval_expression) { |
| *result+=eval_expression; | *result+=eval_expression; |
| } | } |
| // aPpend 'code_array' to 'result' | /// aPpend 'code_array' to 'result' |
| inline void P(Array/*<Operation>*/ *result, Array *code_array) { | inline void P(Array/*<Operation>*/ *result, Array *code_array) { |
| result->append_array(*code_array); | result->append_array(*code_array); |
| } | } |
| // aPpend part of 'code_array', starting from offset, to 'result' | /// aPpend part of 'code_array', starting from offset, to 'result' |
| inline void P(Array/*<Operation>*/ *result, Array *code_array, int offset) { | inline void P(Array/*<Operation>*/ *result, Array *code_array, int offset) { |
| result->append_array(*code_array, offset); | result->append_array(*code_array, offset); |
| } | } |
| // aPpend 'vstring' to 'result' | /// aPpend 'vstring' to 'result' |
| void PV(Array/*<Operation>*/ *result, VString *vstring); | void PV(Array/*<Operation>*/ *result, VString *vstring); |
| // aPpend 'simple Code_Array' to result | /// aPpend 'simple Code_Array' to result |
| void PCA(Array/*<Operation>*/ *result, Array/*<Operation>*/ *code_array); | void PCA(Array/*<Operation>*/ *result, Array/*<Operation>*/ *code_array); |
| // aPpend 'expression Code_Array' to result | /// aPpend 'expression Code_Array' to result |
| void PEA(Array/*<Operation>*/ *result, Array/*<Operation>*/ *code_array); | void PEA(Array/*<Operation>*/ *result, Array/*<Operation>*/ *code_array); |
| // Value Literal // returns array with | /** |
| // first: OP_VALUE instruction | Value Literal // returns array with |
| // second op: string itself | - first: OP_VALUE instruction |
| - second op: string itself | |
| */ | |
| Array *VL(Value *value); | Array *VL(Value *value); |
| // Literal Array to(2) String // return string value from literal array OP+string array | /// Literal Array to(2) Value @return Value from literal Array OP+Value |
| const String *SLA2S(Array *literal_string_array, int offset=0); | Value *LA2V(Array *literal_string_array, int offset=0); |
| /// Literal Array to(2) String @return String value from literal Array OP+String array | |
| inline const String *LA2S(Array *literal_string_array, int offset=0) { | |
| if(Value *value=LA2V(literal_string_array, offset)) | |
| return value->get_string(); | |
| return 0; | |
| } | |
| void change_string_literal_to_double_literal(Array *literal_string_array); | void change_string_literal_to_double_literal(Array *literal_string_array); |
| void change_string_literal_to_write_string_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 |