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| version 1.54.2.1, 2003/01/30 09:34:31 | version 1.54.2.5.2.1, 2003/03/18 15:14:17 |
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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) 2001-2003 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) |
| */ | */ |
| 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(Array *literal_string_array, int offset) { | ValuePtr LA2V(ArrayOperation& literal_string_array, int offset) { |
| Operation op; | return literal_string_array[offset+0].code==OP_VALUE?literal_string_array[offset+1].value |
| op.cast=literal_string_array->get(offset+0); | :ValuePtr(0); |
| return op.code==OP_VALUE? | |
| static_cast<Value* >(literal_string_array->get(offset+1)) | |
| :0; | |
| } | } |
| void change_string_literal_to_double_literal(Array *literal_string_array) { | void change_string_literal_to_double_literal(ArrayOperation& literal_string_array) { |
| Operation op; | if(literal_string_array[0].code==OP_VALUE) { |
| op.cast=literal_string_array->get(0); | ValuePtr value=literal_string_array[1].value->as_expr_result(); |
| if(op.code==OP_VALUE) { | literal_string_array[1].value=value; |
| VString *vstring=static_cast<VString *>(literal_string_array->get(1)); | |
| Value* value=vstring->as_expr_result(); | |
| literal_string_array->put(1, value); | |
| } | } |
| } | } |
| void change_string_literal_value(Array *literal_string_array, const String& new_value) { | void change_string_literal_value(ArrayOperation& literal_string_array, const String& new_value) { |
| Operation op; | if(literal_string_array[0].code==OP_VALUE) { // extra safety |
| op.cast=literal_string_array->get(0); | static_cast<VString&>(*literal_string_array[1].value).set_string(new_value); |
| if(op.code==OP_VALUE) { // extra safety | |
| VString *vstring=static_cast<VString *>(literal_string_array->get(1)); | |
| vstring->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) { | 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) { | if(tail>=0) { |
| Operation op; | Operation& op=opcodes[tail]; |
| op.cast=opcodes->get(tail); | |
| if(op.code==find) { | if(op.code==find) { |
| op.code=replace; | op.code=replace; |
| opcodes->put(tail, op.cast); | |
| return; | return; |
| } | } |
| } | } |
| Operation op; op.code=notfound; | opcodes+=Operation(notfound); |
| *opcodes+=op.cast; | |
| } | } |
| Line 64 void push_LS(parse_control& pc, lexical_ | Line 52 void push_LS(parse_control& pc, lexical_ |
| pc.ls_stack[pc.ls_sp++]=pc.ls; | pc.ls_stack[pc.ls_sp++]=pc.ls; |
| pc.ls=new_state; | pc.ls=new_state; |
| } else | } else |
| throw Exception(0, 0, "push_LS: ls_stack overflow"); | throw Exception(Exception::undefined_type, Exception::undefined_source, |
| "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, "pop_LS: ls_stack underflow"); | throw Exception(Exception::undefined_type, Exception::undefined_source, |
| "pop_LS: ls_stack underflow"); | |
| } | } |