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| version 1.3, 2001/02/21 06:21:19 | version 1.28, 2001/03/11 09:30:45 |
|---|---|
| Line 1 | Line 1 |
| /* | /* |
| $Id$ | Parser |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| $Id$ | |
| */ | */ |
| #ifndef COMPILE_TOOLS | #ifndef COMPILE_TOOLS |
| Line 7 | Line 11 |
| #include "code.h" | #include "code.h" |
| #include "pa_types.h" | #include "pa_types.h" |
| #include "pa_vstring.h" | |
| #include "pa_request.h" | |
| enum lexical_state { | enum lexical_state { |
| LS_USER, | LS_USER, |
| LS_DEF_NAME, | |
| LS_DEF_PARAMS, | |
| LS_DEF_LOCALS, | |
| LS_DEF_COMMENT, | |
| LS_DEF_SPECIAL_BODY, | |
| LS_EXPRESSION_STRING, | |
| LS_EXPRESSION_VAR_NAME, | |
| LS_VAR_NAME_SIMPLE, | LS_VAR_NAME_SIMPLE, |
| LS_VAR_NAME_CURLY, | LS_VAR_NAME_CURLY, |
| LS_VAR_ROUND, | LS_VAR_ROUND, |
| LS_VAR_SQUARE, | |
| LS_VAR_CURLY, | LS_VAR_CURLY, |
| LS_METHOD_NAME, | LS_METHOD_NAME, |
| LS_METHOD_ROUND, | LS_METHOD_SQUARE, |
| LS_METHOD_CURLY, | LS_METHOD_CURLY, |
| LS_METHOD_ROUND, | |
| LS_METHOD_AFTER | LS_METHOD_AFTER |
| }; | }; |
| struct parse_control { | struct parse_control { |
| /* input */ | // input |
| Pool *pool; | Pool *pool; |
| Request *request; | |
| VClass *vclass; | |
| #ifndef NO_CSTRING_ORIGIN | #ifndef NO_CSTRING_ORIGIN |
| char *source; | char *source; |
| char *file; | char *file; |
| int line; | int line, col; |
| #endif | #endif |
| /* state */ | // state |
| int pending_state/*=0*/; | int pending_state; //=0 |
| String *string/*=new(pool) String(pool)*/; | 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]; |
| /* output: Array * */ | // output: filled input 'methods' and 'error' if any |
| Array *result; | char error[MAX_STRING]; |
| }; | }; |
| /* New array // return empty array */ | // New array // return empty array |
| inline Array/*<op>*/ *N(Pool *pool) { | inline Array/*<Operation>*/ *N(Pool& pool) { |
| return new(*pool) Array/*<op>*/(*pool); | return new(pool) Array/*<Operation>*/(pool); |
| } | } |
| /* Assembler instruction // append ordinary instruction to ops */ | // Assembler instruction // append ordinary instruction to ops |
| inline void OP(Array/*<op>*/ *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 String // append String to ops*/ | // Argument Eval_expression // append eval_expression to ops |
| inline void AS(Array/*<op>*/ *result, String *string) { | inline void AE(Array/*<Operation>*/ *result, char *eval_expression) { |
| *result+=string; | |
| } | |
| /* Argument Array // append Array to ops */ | |
| inline void AA(Array/*<op>*/ *result, Array/*<op>*/ *array) { | |
| *result+=array; | |
| } | |
| /* Argument Eval_expression // append eval_expression to ops */ | |
| inline void AE(Array/*<op>*/ *result, char *eval_expression) { | |
| *result+=eval_expression; | *result+=eval_expression; |
| } | } |
| inline void P(Array/*<op>*/ *result, Array *code_array) { | // aPpend 'code_array' to 'result' |
| 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' | |
| inline void P(Array/*<Operation>*/ *result, Array *code_array, int offset) { | |
| result->append_array(*code_array, offset); | |
| } | |
| // 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); | |
| /* Literal // returns array with | // Value Literal // returns array with |
| // first: OP_STRING instruction | // first: OP_VALUE instruction |
| // second op: string itself | // second op: string itself |
| */ | Array *VL(Value *value); |
| Array *L(String *string); | // 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+string array */ | const String *SLA2S(Array *literal_string_array, int offset=0); |
| const String *LA2S(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 push_LS(struct parse_control *pc); | void push_LS(struct parse_control *pc, lexical_state new_state); |
| void pop_LS(struct parse_control *pc); | void pop_LS(struct parse_control *pc); |
| #endif | #endif |