--- parser3/src/main/compile_tools.h 2001/02/20 19:21:13 1.2 +++ parser3/src/main/compile_tools.h 2003/01/30 09:14:01 1.67.2.1 @@ -1,92 +1,144 @@ -/* - $Id: compile_tools.h,v 1.2 2001/02/20 19:21:13 paf Exp $ +/** @file + Parser: compiler support helper functions decls. + + Copyright (c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com) + Author: Alexandr Petrosian (http://paf.design.ru) */ #ifndef COMPILE_TOOLS #define COMPILE_TOOLS -#include "code.h" +static const char* IDENT_COMPILE_TOOLS_H="$Date: 2003/01/30 09:14:01 $"; + +#include "pa_opcode.h" #include "pa_types.h" +#include "pa_vstring.h" +#include "pa_request.h" enum lexical_state { - LS_USER, - LS_VAR_NAME_SIMPLE, + LS_USER, LS_NAME_SQUARE_PART, + LS_USER_COMMENT, + LS_DEF_NAME, + LS_DEF_PARAMS, + LS_DEF_LOCALS, + LS_DEF_COMMENT, + LS_DEF_SPECIAL_BODY, + LS_EXPRESSION_STRING_QUOTED, + LS_EXPRESSION_STRING_APOSTROFED, + 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_ROUND, + LS_VAR_SQUARE, LS_VAR_CURLY, LS_METHOD_NAME, - LS_METHOD_ROUND, + LS_METHOD_SQUARE, LS_METHOD_CURLY, + LS_METHOD_ROUND, LS_METHOD_AFTER }; +/// compiler status struct parse_control { - /* input */ - void *pool; -#ifndef NO_CSTRING_ORIGIN - char *source; - char *file; - int line; + //@{ + /// @name input + Pool *pool; + Request *request; + VStateless_class *cclass; +#ifndef NO_STRING_ORIGIN + const char *source; + const char *file; #endif - /* state */ - int pending_state/*=0*/; - void *string/*=string_create(...)*/; + int line, col; + //@} + //@{ + /// @name state; initially + bool trim_bof; + int pending_state; ///< i=0 + StringPtr string; ///< lexical string accumulator #define MAX_LEXICAL_STATES 100 - enum lexical_state ls/*=LS_USER*/; - int sp/*=0*/; - enum lexical_state stack[MAX_LEXICAL_STATES]; - int brackets_nestages[MAX_LEXICAL_STATES]; + enum lexical_state ls; ///< =LS_USER; + int ls_sp; ///< =0 + enum lexical_state ls_stack[MAX_LEXICAL_STATES]; + int brackets_nestages[MAX_LEXICAL_STATES]; ///< brackets nestage on each state + + bool in_call_value; + //@} - /* output: Array * */ - void *result; + /// output: filled input 'methods' and 'error' if any + char error[MAX_STRING]; }; -#ifdef __cplusplus -extern "C" { -#endif - /* New array // return empty array */ - void *N(void *apool); - - /* Assembler instruction // append ordinary instruction to result */ - void A(void **result, enum OPCODE acode); +/// New array // return empty array +inline ArrayCodePtr N() { + return new ArrayCode; +} - /* Assembler arGument // append instruction; append param */ - void G(void **result, void *param); +/// Assembler instruction // append ordinary instruction to ops +inline void O(Array/**/ *result, enum OPCODE code) { + Operation op; op.code=code; + *result+=op.cast; +} + +/// aPpend 'code_array' to 'result' +inline void P(Array/**/ *result, Array *code_array) { + result->append_array(*code_array); +} +/// aPpend part of 'code_array', starting from offset, to 'result' +inline void P(Array/**/ *result, Array *code_array, int offset) { + result->append_array(*code_array, offset); +} - /* Literal // returns array with - // first: OP_STRING instruction - // second op: string itself - */ - void *L(void *astring); - /* Literal String // return string value from literal array OP+string array */ - void *LS(void *literal); +/// aPpend 'vstring' to 'result' +void PV(Array/**/ *result, Value *value); - /* aPpend code array // append code_array to result */ - void P(void **result, void *code_array); +inline void OA(Array/**/ *result, OPCODE opcode, Array/**/ *code_array) { + // append OP_CODE + Operation op; op.code=opcode; + *result+=op.cast; + // append 'vstring' + *result+=code_array; +} - void push_LS(struct parse_control *pc); - void pop_LS(struct parse_control *pc); +/** + Value Literal // returns array with + - first: OP_VALUE instruction + - second op: string itself +*/ +inline Array *VL(Value *value) { + // empty ops array + Array *result=N(value->pool()); - void *string_create(void *pool); + // append 'value' to 'result' + PV(result, value); -#ifndef NO_STRING_ORIGIN -# define CSTRING_APPEND_PARAMS void *astring, char *piece, size_t size, char *file, uint line -# define CSTRING_APPEND(astring, piece, size, file, line) real_cstring_append(astring, piece, size, file, line) -#else -# define CSTRING_APPEND_PARAMS void *astring, char *piece, size_t size -# define CSTRING_APPEND(astring, piece, size, file, line) real_cstring_append(astring, piece, size) -#endif - void real_cstring_append(CSTRING_APPEND_PARAMS); - char *string_cstr(void *astring); + return result; +} - void exception(void *pool, - void *atype, void *acode, - void *aproblem_source, - char *acomment); +/// Literal Array to(2) Value @return Value from literal Array OP+Value +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; +} -#ifdef __cplusplus +inline void change_string_literal_to_write_string_literal(Array *literal_string_array) { + Operation op; op.code=OP_STRING__WRITE; + literal_string_array->put(0, op.cast); } -#endif + +void changetail_or_append(Array *opcodes, + OPCODE find, bool with_argument, OPCODE replace, OPCODE notfound); + +void change_string_literal_to_double_literal(Array *literal_string_array); + +void change_string_literal_value(Array *literal_string_array, const String& new_value); + +void push_LS(parse_control& pc, lexical_state new_state); +void pop_LS(parse_control& pc); #endif