--- parser3/src/main/compile_tools.C 2002/06/10 14:13:08 1.50 +++ parser3/src/main/compile_tools.C 2003/04/02 16:05:20 1.54.2.5.2.9 @@ -1,12 +1,12 @@ /** @file Parser: compiler support helper functions. - Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) + Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) Author: Alexandr Petrosian (http://paf.design.ru) - - $Id: compile_tools.C,v 1.50 2002/06/10 14:13:08 paf Exp $ */ +static const char* IDENT_COMPILE_TOOLS_C="$Date: 2003/04/02 16:05:20 $"; + #include "compile_tools.h" #include "pa_string.h" #include "pa_array.h" @@ -14,60 +14,51 @@ #include "pa_vstring.h" #include "pa_vdouble.h" -void PV(Array/**/ *result, Value *value) { - // append OP_VALUE - Operation op; op.code=OP_VALUE; - *result+=op.cast; - - // append 'value' - *result+=value; +Value* LA2V(ArrayOperation& literal_string_array, int offset) { + return literal_string_array[offset+0].code()==OP_VALUE?literal_string_array[offset+1].value + :0; } -Value *LA2V(Array *literal_string_array, int offset) { - Operation op; - op.cast=literal_string_array->get(offset+0); - return op.code==OP_VALUE? - static_cast(literal_string_array->get(offset+1)) - :0; +void change_string_literal_to_double_literal(ArrayOperation& literal_string_array) { + if(literal_string_array[0].code()==OP_VALUE) { + Value& value=literal_string_array[1].value->as_expr_result(); + literal_string_array.put(1, &value); + } } -void change_string_literal_to_double_literal(Array *literal_string_array) { - Operation op; - op.cast=literal_string_array->get(0); - if(op.code==OP_VALUE) { - VString *vstring=static_cast(literal_string_array->get(1)); - Value *value=vstring->as_expr_result(); - literal_string_array->put(1, value); +void change_string_literal_value(ArrayOperation& literal_string_array, const String& new_value) { + if(literal_string_array[0].code()==OP_VALUE) { // extra safety + static_cast(literal_string_array[1].value)->set_string(new_value); } } -void changetail_or_append(Array *opcodes, + +void changetail_or_append(ArrayOperation& opcodes, OPCODE find, bool with_argument, OPCODE replace, OPCODE notfound) { - int tail=opcodes->size()-(with_argument?2:1); + int tail=opcodes.count()-(with_argument?2:1); if(tail>=0) { - Operation op; - op.cast=opcodes->get(tail); - if(op.code==find) { - op.code=replace; - opcodes->put(tail, op.cast); + Operation& op=opcodes.get_ref(tail); + if(op.code()==find) { + op.set_code(replace); return; } } - Operation op; op.code=notfound; - *opcodes+=op.cast; + opcodes+=Operation(notfound); } -void push_LS(parse_control& pc, lexical_state new_state) { +void push_LS(Parse_control& pc, lexical_state new_state) { if(pc.ls_sp=0) pc.ls=pc.ls_stack[pc.ls_sp]; else - throw Exception(0, 0, "pop_LS: ls_stack underflow"); + throw Exception(0, 0, + "pop_LS: ls_stack underflow"); }