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| version 1.54.2.5.2.5, 2003/03/27 10:53:01 | version 1.61, 2009/05/19 08:41:45 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: compiler support helper functions. | Parser: compiler support helper functions. |
| Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| */ | */ |
| static const char* IDENT_COMPILE_TOOLS_C="$Date$"; | static const char * const IDENT_COMPILE_TOOLS_C="$Date$"; |
| #include "compile_tools.h" | #include "compile_tools.h" |
| #include "pa_string.h" | #include "pa_string.h" |
| Line 14 static const char* IDENT_COMPILE_TOOLS_C | Line 14 static const char* IDENT_COMPILE_TOOLS_C |
| #include "pa_vstring.h" | #include "pa_vstring.h" |
| #include "pa_vdouble.h" | #include "pa_vdouble.h" |
| Value* LA2V(ArrayOperation& literal_string_array, int offset) { | Value* LA2V(ArrayOperation& literal_string_array, int offset, OP::OPCODE code) { |
| return literal_string_array[offset+0].code==OP_VALUE?literal_string_array[offset+1].value | return literal_string_array[offset+0].code==code?literal_string_array[offset+2/*skip opcode&origin*/].value |
| :0; | :0; |
| } | } |
| void change_string_literal_to_double_literal(ArrayOperation& literal_string_array) { | void maybe_change_string_literal_to_double_literal(ArrayOperation& literal_array) { |
| if(literal_string_array[0].code==OP_VALUE) { | assert(literal_array[0].code==OP::OP_VALUE); |
| Value* value=literal_string_array[1].value->as_expr_result(); | VString& vstring=*static_cast<VString*>(literal_array[2/*opcode+origin*/].value); |
| literal_string_array.put(1, value); | if(isdigit(vstring.string().first_char())) |
| } | literal_array.put(2/*opcode+origin*/, &vstring.as_expr_result()); |
| } | } |
| void change_string_literal_value(ArrayOperation& literal_string_array, const String& new_value) { | void change_string_literal_value(ArrayOperation& literal_string_array, const String& new_value) { |
| if(literal_string_array[0].code==OP_VALUE) { // extra safety | assert(literal_string_array[0].code==OP::OP_VALUE); |
| static_cast<VString*>(literal_string_array[1].value)->set_string(new_value); | static_cast<VString*>(literal_string_array[2/*opcode+origin*/].value)->set_string(new_value); |
| } | |
| } | } |
| void changetail_or_append(ArrayOperation& opcodes, | void changetail_or_append(ArrayOperation& opcodes, |
| OPCODE find, bool with_argument, OPCODE replace, OPCODE notfound) { | OP::OPCODE find, bool with_argument, OP::OPCODE replace, OP::OPCODE notfound) { |
| int tail=opcodes.count()-(with_argument?2:1); | int tail=opcodes.count()-(with_argument?2:1); |
| if(tail>=0) { | if(tail>=0) { |
| Operation& op=opcodes.unchecked_get_ref(tail); | Operation& op=opcodes.get_ref(tail); |
| if(op.code==find) { | if(op.code==find) { |
| op.code=replace; | op.code=replace; |
| return; | return; |
| Line 47 void changetail_or_append(ArrayOperation | Line 46 void changetail_or_append(ArrayOperation |
| } | } |
| void push_LS(parse_control& pc, lexical_state new_state) { | void push_LS(Parse_control& pc, lexical_state new_state) { |
| if(pc.ls_sp<MAX_LEXICAL_STATES) { | if(pc.ls_sp<MAX_LEXICAL_STATES) { |
| pc.ls_stack[pc.ls_sp++]=pc.ls; | pc.ls_stack[pc.ls_sp++]=pc.ls; |
| pc.ls=new_state; | pc.ls=new_state; |
| Line 55 void push_LS(parse_control& pc, lexical_ | Line 54 void push_LS(parse_control& pc, lexical_ |
| throw Exception(0, 0, | throw Exception(0, 0, |
| "push_LS: ls_stack overflow"); | "push_LS: ls_stack overflow"); |
| } | } |
| void pop_LS(parse_control& pc) { | void pop_LS(Parse_control& pc) { |
| if(--pc.ls_sp>=0) | if(--pc.ls_sp>=0) |
| pc.ls=pc.ls_stack[pc.ls_sp]; | pc.ls=pc.ls_stack[pc.ls_sp]; |
| else | else |
| throw Exception(0, 0, | throw Exception(0, 0, |
| "pop_LS: ls_stack underflow"); | "pop_LS: ls_stack underflow"); |
| } | } |
| const String& Parse_control::alias_method(const String& name) { | |
| return (main_alias && name==main_method_name)?*main_alias:name; | |
| } |