Annotation of parser3/src/main/compile_tools.C, revision 1.40.14.1
1.29 paf 1: /** @file
1.30 paf 2: Parser: compiler support helper functions.
3:
1.25 paf 4: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.40 paf 5: Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru)
1.30 paf 6:
1.40.14.1! paf 7: $Id: compile_tools.C,v 1.40 2001/11/05 11:46:26 paf Exp $
1.1 paf 8: */
9:
10: #include "compile_tools.h"
11: #include "pa_string.h"
12: #include "pa_array.h"
13: #include "pa_exception.h"
1.9 paf 14: #include "pa_vstring.h"
1.15 paf 15: #include "pa_vdouble.h"
1.1 paf 16:
1.27 paf 17: void PV(Array/*<Operation>*/ *result, Value *value) {
1.16 paf 18: // append OP_VALUE
19: Operation op; op.code=OP_VALUE;
1.6 paf 20: *result+=op.cast;
1.1 paf 21:
1.17 paf 22: // append 'value'
23: *result+=value;
1.12 paf 24: }
1.13 paf 25:
1.27 paf 26: void PCA(Array/*<Operation>*/ *result, Array/*<Operation>*/ *code_array) {
1.13 paf 27: // append OP_CODE
1.28 paf 28: Operation op; op.code=OP_CURLY_CODE__STORE_PARAM;
1.13 paf 29: *result+=op.cast;
30:
31: // append 'vstring'
32: *result+=code_array;
33: }
34:
1.28 paf 35: void PEA(Array/*<Operation>*/ *result, Array/*<Operation>*/ *code_array) {
36: // append OP_CODE
37: Operation op; op.code=OP_EXPR_CODE__STORE_PARAM;
1.37 parser 38: *result+=op.cast;
39:
40: // append 'vstring'
41: *result+=code_array;
42: }
43:
44: void CCA(Array/*<Operation>*/ *result, Array/*<Operation>*/ *code_array) {
45: // append OP_CODE
46: Operation op; op.code=OP_CURLY_CODE__CONSTRUCT;
1.28 paf 47: *result+=op.cast;
48:
49: // append 'vstring'
50: *result+=code_array;
51: }
1.40.14.1! paf 52:
! 53: void PNC(Array/*<Operation>*/ *result, Array/*<Operation>*/ *code_array) {
! 54: // append OP_CODE
! 55: Operation op; op.code=OP_NESTED_CODE;
! 56: *result+=op.cast;
! 57:
! 58: // append 'vstring'
! 59: *result+=code_array;
! 60: }
! 61:
1.12 paf 62:
1.17 paf 63: Array *VL(Value *value) {
1.12 paf 64: // empty ops array
1.17 paf 65: Array *result=N(value->pool());
1.12 paf 66:
1.17 paf 67: // append 'value' to 'result'
68: PV(result, value);
1.14 paf 69:
70: return result;
71: }
1.1 paf 72:
1.33 paf 73: Value *LA2V(Array *literal_string_array, int offset) {
1.11 paf 74: Operation op;
75: op.cast=literal_string_array->get(offset+0);
1.16 paf 76: if(op.code!=OP_VALUE)
1.11 paf 77: return 0;
78:
1.33 paf 79: return static_cast<Value *>(literal_string_array->get(offset+1));
1.15 paf 80: }
81:
82: void change_string_literal_to_double_literal(Array *literal_string_array) {
83: VString *vstring=static_cast<VString *>(literal_string_array->get(1));
1.32 paf 84: Value *value=vstring->as_expr_result();
1.22 paf 85: literal_string_array->put(1, value);
1.1 paf 86: }
1.24 paf 87: void change_string_literal_to_write_string_literal(Array *literal_string_array) {
88: Operation op; op.code=OP_STRING__WRITE;
89: literal_string_array->put(0, op.cast);
90: }
1.1 paf 91:
1.31 paf 92: void push_LS(parse_control& pc, lexical_state new_state) {
93: if(pc.sp<MAX_LEXICAL_STATES) {
94: pc.stack[pc.sp++]=pc.ls; pc.ls=new_state;
1.1 paf 95: } else
1.39 parser 96: throw Exception(0, 0, 0, "push_LS: stack overflow");
1.1 paf 97: }
1.31 paf 98: void pop_LS(parse_control& pc) {
99: if(--pc.sp>=0)
100: pc.ls=pc.stack[pc.sp];
1.1 paf 101: else
1.39 parser 102: throw Exception(0, 0, 0, "pop_LS: stack underflow");
1.1 paf 103: }
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