1 | /**************************************** |
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2 | * Computer Algebra System SINGULAR * |
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3 | ****************************************/ |
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4 | /* $Id: ipid.cc,v 1.14 1998-07-21 17:28:32 Singular Exp $ */ |
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5 | |
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6 | /* |
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7 | * ABSTRACT: identfier handling |
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8 | */ |
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9 | |
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10 | #include <string.h> |
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11 | |
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12 | #include "mod2.h" |
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13 | #include "tok.h" |
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14 | #include "ipshell.h" |
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15 | #include "intvec.h" |
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16 | #include "febase.h" |
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17 | #include "mmemory.h" |
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18 | #include "numbers.h" |
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19 | #include "polys.h" |
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20 | #include "ring.h" |
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21 | #include "ideals.h" |
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22 | #include "matpol.h" |
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23 | #include "lists.h" |
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24 | #include "attrib.h" |
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25 | #include "silink.h" |
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26 | #include "syz.h" |
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27 | #include "ipid.h" |
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28 | |
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29 | #ifdef HAVE_NAMESPACES |
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30 | namehdl namespaceroot = NULL; |
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31 | #define TEST |
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32 | #else /* HAVE_NAMESPACES */ |
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33 | idhdl idroot = NULL; |
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34 | #endif /* HAVE_NAMESPACES */ |
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35 | idhdl currRingHdl = NULL; |
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36 | ring currRing = NULL; |
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37 | ideal currQuotient = NULL; |
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38 | char* iiNoName="_"; |
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39 | |
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40 | /*0 implementation*/ |
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41 | |
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42 | idhdl idrec::get(const char * s, int lev) |
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43 | { |
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44 | idhdl h = this; |
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45 | idhdl found=NULL; |
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46 | int l; |
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47 | while (h!=NULL) |
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48 | { |
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49 | l=IDLEV(h); |
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50 | mmTestLP(IDID(h)); |
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51 | if ((l==lev) && (0 == strcmp(s,IDID(h)))) return h; |
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52 | if ((l==0) && (found==NULL) && (0 == strcmp(s,IDID(h)))) |
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53 | { |
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54 | found=h; |
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55 | } |
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56 | h = IDNEXT(h); |
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57 | } |
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58 | return found; |
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59 | } |
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60 | |
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61 | //idrec::~idrec() |
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62 | //{ |
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63 | // if (id!=NULL) |
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64 | // { |
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65 | // FreeL((ADDRESS)id); |
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66 | // id=NULL; |
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67 | // } |
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68 | // /* much more !! */ |
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69 | //} |
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70 | |
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71 | idhdl idrec::set(char * s, int lev, idtyp t, BOOLEAN init) |
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72 | { |
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73 | //printf("define %s, %x, lev: %d, typ: %d\n", s,s,lev,t); |
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74 | idhdl h = (idrec *)Alloc0(sizeof(idrec)); |
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75 | int len = 0; |
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76 | IDID(h) = s; |
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77 | IDTYP(h) = t; |
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78 | IDLEV(h) = lev; |
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79 | #ifdef HAVE_NAMESPACES |
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80 | h->ref = 1; |
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81 | #endif /* HAVE_NAMESPACES */ |
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82 | IDNEXT(h) = this; |
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83 | if (init) |
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84 | { |
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85 | switch (t) |
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86 | { |
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87 | //the type with init routines: |
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88 | case INTVEC_CMD: |
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89 | case INTMAT_CMD: |
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90 | IDINTVEC(h) = new intvec(); |
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91 | break; |
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92 | case NUMBER_CMD: |
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93 | IDNUMBER(h) = nInit(0); |
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94 | break; |
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95 | case IDEAL_CMD: |
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96 | case MODUL_CMD: |
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97 | IDFLAG(h) = Sy_bit(FLAG_STD); |
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98 | case MATRIX_CMD: |
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99 | IDIDEAL(h) = idInit(1,1); |
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100 | break; |
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101 | case MAP_CMD: |
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102 | IDIDEAL(h) = idInit(1,1); |
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103 | IDMAP(h)->preimage = mstrdup(IDID(currRingHdl)); |
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104 | break; |
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105 | case STRING_CMD: |
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106 | IDSTRING(h) = mstrdup(""); |
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107 | break; |
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108 | case LIST_CMD: |
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109 | IDLIST(h)=(lists)Alloc(sizeof(slists)); |
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110 | IDLIST(h)->Init(); |
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111 | break; |
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112 | //the types with the standard init: set the struct to zero |
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113 | case LINK_CMD: |
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114 | len=sizeof(ip_link); |
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115 | break; |
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116 | case RING_CMD: |
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117 | case QRING_CMD: |
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118 | len = sizeof(ip_sring); |
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119 | break; |
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120 | case PACKAGE_CMD: |
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121 | len = sizeof(ip_package); |
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122 | break; |
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123 | case RESOLUTION_CMD: |
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124 | len=sizeof(ssyStrategy); |
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125 | break; |
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126 | case PROC_CMD: |
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127 | len=sizeof(procinfo); |
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128 | break; |
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129 | //other types: without init (int,script,poly,def,package) |
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130 | } |
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131 | if (len!=0) |
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132 | { |
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133 | IDSTRING(h) = (char *)Alloc0(len); |
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134 | } |
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135 | // additional settings:-------------------------------------- |
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136 | if (t == QRING_CMD) |
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137 | { |
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138 | IDRING(h)=rCopy(currRing); |
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139 | /* QRING_CMD is ring dep => currRing !=NULL */ |
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140 | } |
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141 | else if (t == PROC_CMD) |
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142 | { |
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143 | IDPROC(h)->language=LANG_NONE; |
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144 | } |
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145 | } |
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146 | // -------------------------------------------------------- |
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147 | return h; |
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148 | } |
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149 | |
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150 | idhdl enterid(char * s, int lev, idtyp t, idhdl* root, BOOLEAN init) |
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151 | { |
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152 | idhdl h; |
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153 | // is it the currRing - id ? |
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154 | #ifdef HAVE_NAMESPACES |
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155 | namehdl topnsroot = namespaceroot->root; |
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156 | #endif |
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157 | if ((currRingHdl!=NULL) |
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158 | &&(IDLEV(currRingHdl)!=lev) |
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159 | &&(s==IDID(currRingHdl))) |
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160 | { |
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161 | s=mstrdup(s); |
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162 | } |
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163 | // is it already defined in root ? |
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164 | else if ((h=(*root)->get(s,lev))!=NULL) |
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165 | { |
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166 | if (IDLEV(h)!=lev) |
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167 | { |
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168 | s=mstrdup(s); |
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169 | } |
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170 | else if ((IDTYP(h) == t)||(t==DEF_CMD)) |
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171 | { |
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172 | if (BVERBOSE(V_REDEFINE)) |
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173 | Warn("redefining %s **",s); |
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174 | if (s==IDID(h)) |
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175 | IDID(h)=NULL; |
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176 | killhdl(h,root); |
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177 | } |
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178 | else |
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179 | goto errlabel; |
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180 | } |
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181 | // is it already defined in idroot ? |
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182 | else if (*root != IDROOT) |
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183 | { |
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184 | #ifdef HAVE_NAMESPACES |
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185 | if ((h=namespaceroot->get(s,lev))!=NULL) |
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186 | #else |
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187 | if ((h=idroot->get(s,lev))!=NULL) |
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188 | #endif /* HAVE_NAMESPACES */ |
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189 | { |
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190 | if (IDLEV(h)!=lev) |
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191 | { |
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192 | s=mstrdup(s); |
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193 | } |
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194 | else if ((IDTYP(h) == t)||(t==DEF_CMD)) |
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195 | { |
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196 | if (BVERBOSE(V_REDEFINE)) |
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197 | Warn("redefining %s **",s); |
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198 | IDID(h)=NULL; |
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199 | killhdl(h,&IDROOT); |
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200 | } |
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201 | else |
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202 | { |
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203 | goto errlabel; |
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204 | } |
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205 | } |
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206 | } |
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207 | #ifdef HAVE_NAMESPACES |
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208 | // is it already defined in toplevel idroot ? |
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209 | else if (*root != NSROOT(topnsroot)) |
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210 | { |
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211 | if ((h=topnsroot->get(s,lev))!=NULL) |
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212 | { |
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213 | #if 0 |
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214 | if (IDLEV(h)!=lev) |
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215 | { |
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216 | s=mstrdup(s); |
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217 | } |
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218 | else if ((IDTYP(h) == t)||(t==DEF_CMD)) |
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219 | { |
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220 | if (BVERBOSE(V_REDEFINE)) |
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221 | Warn("1 redefining %s **",s); |
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222 | IDID(h)=NULL; |
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223 | killhdl(h,&(NSROOT(topnsroot))); |
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224 | } |
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225 | else |
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226 | { |
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227 | goto errlabel; |
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228 | } |
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229 | #else |
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230 | s=mstrdup(s); |
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231 | #endif |
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232 | } |
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233 | } |
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234 | #endif /* HAVE_NAMESPACES */ |
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235 | // is it already defined in currRing->idroot ? |
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236 | else if ((currRing!=NULL)&&((*root) != currRing->idroot)) |
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237 | { |
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238 | if ((h=currRing->idroot->get(s,lev))!=NULL) |
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239 | { |
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240 | if (IDLEV(h)!=lev) |
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241 | { |
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242 | s=mstrdup(s); |
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243 | } |
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244 | else if ((IDTYP(h) == t)||(t==DEF_CMD)) |
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245 | { |
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246 | if (BVERBOSE(V_REDEFINE)) |
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247 | Warn("redefining %s **",s); |
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248 | IDID(h)=NULL; |
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249 | killhdl(h,&currRing->idroot); |
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250 | } |
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251 | else |
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252 | { |
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253 | goto errlabel; |
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254 | } |
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255 | } |
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256 | } |
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257 | return *root = (*root)->set(s, lev, t, init); |
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258 | |
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259 | errlabel: |
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260 | Werror("identifier `%s` in use",s); |
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261 | return NULL; |
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262 | } |
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263 | |
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264 | void killid(char * id, idhdl * ih) |
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265 | { |
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266 | if (id!=NULL) |
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267 | { |
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268 | idhdl h = (*ih)->get(id,myynest); |
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269 | |
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270 | // id not found in global list, is it defined in current ring ? |
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271 | if (h==NULL) |
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272 | { |
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273 | if ((currRing!=NULL) && (*ih != (currRing->idroot))) |
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274 | { |
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275 | h = currRing->idroot->get(id,myynest); |
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276 | if (h!=NULL) |
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277 | { |
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278 | killhdl(h,&(currRing->idroot)); |
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279 | return; |
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280 | } |
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281 | } |
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282 | Werror("`%s` is not defined",id); |
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283 | return; |
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284 | } |
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285 | killhdl(h,ih); |
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286 | } |
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287 | else |
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288 | Werror("kill what ?"); |
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289 | } |
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290 | |
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291 | void killhdl(idhdl h) |
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292 | { |
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293 | int t=IDTYP(h); |
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294 | if ((BEGIN_RING<t) && (t<END_RING) && (t!=QRING_CMD)) |
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295 | killhdl(h,&currRing->idroot); |
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296 | else |
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297 | { |
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298 | idhdl s=IDROOT; |
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299 | while ((s!=h) && (s!=NULL)) s=s->next; |
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300 | if (s==NULL) killhdl(h,&currRing->idroot); |
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301 | else killhdl(h,&IDROOT); |
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302 | } |
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303 | } |
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304 | |
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305 | void killhdl(idhdl h, idhdl * ih) |
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306 | { |
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307 | //printf("kill %s, id %x, typ %d lev: %d\n",IDID(h),(int)IDID(h),IDTYP(h),IDLEV(h)); |
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308 | idhdl hh; |
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309 | BOOLEAN killOtherRing = TRUE; |
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310 | BOOLEAN needResetRing = FALSE; |
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311 | |
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312 | if (h->attribute!=NULL) |
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313 | { |
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314 | atKillAll(h); |
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315 | //h->attribute=NULL; |
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316 | } |
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317 | // ring / qring -------------------------------------------------------- |
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318 | // package ------------------------------------------------------------- |
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319 | if ((IDTYP(h) == RING_CMD) || (IDTYP(h) == QRING_CMD) |
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320 | || (IDTYP(h) == PACKAGE_CMD) /*|| (IDTYP(h) == POINTER_CMD)*/) |
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321 | { |
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322 | idhdl savecurrRingHdl = currRingHdl; |
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323 | ring savecurrRing = currRing; |
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324 | |
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325 | // any objects defined for this ring ? |
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326 | if (((IDTYP(h)==PACKAGE_CMD) || (IDRING(h)->ref<=0)) |
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327 | && (IDRING(h)->idroot!=NULL)) |
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328 | { |
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329 | idhdl * hd = &IDRING(h)->idroot; |
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330 | idhdl hdh = IDNEXT(*hd); |
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331 | idhdl temp; |
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332 | killOtherRing=(IDTYP(h)!=PACKAGE_CMD) && (IDRING(h)!=currRing); |
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333 | if (killOtherRing) //we are not killing the base ring, so switch |
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334 | { |
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335 | needResetRing=TRUE; |
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336 | rSetHdl(h,FALSE); |
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337 | /* no complete init*/ |
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338 | } |
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339 | while (hdh!=NULL) |
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340 | { |
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341 | temp = IDNEXT(hdh); |
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342 | killhdl(hdh,&(IDRING(h)->idroot)); |
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343 | hdh = temp; |
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344 | } |
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345 | killhdl(*hd,hd); |
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346 | } |
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347 | // reset currRing ? |
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348 | if (needResetRing) // && (killOtherRing) |
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349 | { |
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350 | //we have to switch back to the base ring |
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351 | //currRing = savecurrRing; |
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352 | //currRingHdl = savecurrRingHdl; |
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353 | if (savecurrRing!=NULL) |
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354 | { |
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355 | rSetHdl(savecurrRingHdl,TRUE); |
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356 | } |
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357 | } |
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358 | #ifdef HAVE_NAMESPACES |
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359 | if((IDTYP(h)==PACKAGE_CMD) || (IDTYP(h)==POINTER_CMD)) |
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360 | Print(">>>>>>Free package\n"); |
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361 | else |
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362 | #endif /* HAVE_NAMESPACES */ |
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363 | rKill(h); |
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364 | } |
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365 | // poly / vector ------------------------------------------------------- |
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366 | else if ((IDTYP(h) == POLY_CMD) || (IDTYP(h) == VECTOR_CMD)) |
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367 | { |
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368 | pDelete(&IDPOLY(h)); |
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369 | } |
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370 | // ideal / module/ matrix / map ---------------------------------------- |
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371 | else if ((IDTYP(h) == IDEAL_CMD) |
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372 | || (IDTYP(h) == MODUL_CMD) |
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373 | || (IDTYP(h) == MATRIX_CMD) |
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374 | || (IDTYP(h) == MAP_CMD)) |
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375 | { |
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376 | ideal iid = IDIDEAL(h); |
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377 | if (IDTYP(h) == MAP_CMD) |
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378 | { |
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379 | map im = IDMAP(h); |
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380 | FreeL((ADDRESS)im->preimage); |
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381 | } |
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382 | idDelete(&iid); |
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383 | } |
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384 | // string ------------------------------------------------------------- |
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385 | else if (IDTYP(h) == STRING_CMD) |
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386 | { |
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387 | FreeL((ADDRESS)IDSTRING(h)); |
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388 | //IDSTRING(h)=NULL; |
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389 | } |
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390 | // proc --------------------------------------------------------------- |
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391 | else if (IDTYP(h) == PROC_CMD) |
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392 | { |
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393 | piKill(IDPROC(h)); |
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394 | } |
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395 | // number ------------------------------------------------------------- |
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396 | else if (IDTYP(h) == NUMBER_CMD) |
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397 | { |
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398 | nDelete(&IDNUMBER(h)); |
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399 | } |
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400 | // intvec / intmat --------------------------------------------------- |
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401 | else if ((IDTYP(h) == INTVEC_CMD)||(IDTYP(h) == INTMAT_CMD)) |
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402 | { |
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403 | delete IDINTVEC(h); |
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404 | } |
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405 | // list ------------------------------------------------------------- |
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406 | else if (IDTYP(h)==LIST_CMD) |
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407 | { |
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408 | IDLIST(h)->Clean(); |
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409 | //Free((ADDRESS)IDLIST(h)->m, (IDLIST(h)->nr+1)*sizeof(sleftv)); |
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410 | //Free((ADDRESS)IDLIST(h), sizeof(slists)); |
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411 | } |
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412 | // link ------------------------------------------------------------- |
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413 | else if (IDTYP(h)==LINK_CMD) |
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414 | { |
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415 | slKill(IDLINK(h)); |
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416 | } |
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417 | else if((IDTYP(h)==RESOLUTION_CMD)&&(IDDATA(h)!=NULL)) |
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418 | { |
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419 | syKillComputation((syStrategy)IDDATA(h)); |
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420 | } |
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421 | #ifdef TEST |
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422 | else if ((IDTYP(h)!= INT_CMD)&&(IDTYP(h)!=DEF_CMD)) |
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423 | Warn("unknown type to kill: %s(%d)",Tok2Cmdname(IDTYP(h)),IDTYP(h)); |
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424 | #endif |
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425 | |
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426 | // general ------------------------------------------------------------- |
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427 | // now dechain it and delete idrec |
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428 | FreeL((ADDRESS)IDID(h)); |
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429 | //IDID(h)=NULL; |
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430 | if (h == (*ih)) |
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431 | { |
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432 | // h is at the beginning of the list |
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433 | *ih = IDNEXT(*ih); |
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434 | } |
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435 | else |
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436 | { |
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437 | // h is somethere in the list: |
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438 | hh = *ih; |
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439 | loop |
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440 | { |
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441 | idhdl hhh = IDNEXT(hh); |
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442 | if (hhh == h) |
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443 | { |
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444 | IDNEXT(hh) = IDNEXT(hhh); |
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445 | break; |
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446 | } |
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447 | hh = hhh; |
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448 | } |
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449 | } |
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450 | Free((ADDRESS)h,sizeof(idrec)); |
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451 | } |
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452 | |
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453 | idhdl ggetid(const char *n) |
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454 | { |
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455 | #ifdef HAVE_NAMESPACES |
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456 | idhdl h =namespaceroot->get(n,myynest, TRUE); // search in toplevel namespace |
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457 | idhdl h2=namespaceroot->get(n,myynest); // search in current namespace |
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458 | idhdl h3=NULL; |
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459 | if ((currRing!=NULL) && ((h2==NULL)||(IDLEV(h2)!=myynest))) |
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460 | { |
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461 | h3 = currRing->idroot->get(n,myynest); |
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462 | } |
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463 | if (h3==NULL) { |
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464 | if (h2==NULL) return h; else return h2; |
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465 | } |
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466 | return h3; |
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467 | #else /* HAVE_NAMESPACES */ |
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468 | idhdl h = idroot->get(n,myynest); |
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469 | idhdl h2=NULL; |
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470 | if ((currRing!=NULL) && ((h==NULL)||(IDLEV(h)!=myynest))) |
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471 | { |
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472 | h2 = currRing->idroot->get(n,myynest); |
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473 | } |
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474 | if (h2==NULL) return h; |
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475 | return h2; |
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476 | #endif /* HAVE_NAMESPACES */ |
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477 | } |
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478 | |
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479 | void ipListFlag(idhdl h) |
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480 | { |
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481 | if (hasFlag(h,FLAG_STD)) PrintS(" (SB)"); |
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482 | if (hasFlag(h,FLAG_DRING)) PrintS(" (D)"); |
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483 | } |
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484 | |
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485 | lists ipNameList(idhdl root) |
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486 | { |
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487 | idhdl h=root; |
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488 | /* compute the length */ |
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489 | int l=0; |
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490 | while (h!=NULL) { l++; h=IDNEXT(h); } |
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491 | /* allocate list */ |
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492 | lists L=(lists)Alloc(sizeof(slists)); |
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493 | L->Init(l); |
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494 | /* copy names */ |
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495 | h=root; |
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496 | l=0; |
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497 | while (h!=NULL) |
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498 | { |
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499 | /* list is initialized with 0 => no need to clear anything */ |
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500 | L->m[l].rtyp=STRING_CMD; |
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501 | L->m[l].data=mstrdup(IDID(h)); |
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502 | l++; |
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503 | h=IDNEXT(h); |
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504 | } |
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505 | return L; |
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506 | } |
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507 | |
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508 | /* |
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509 | * move 'tomove' from root1 list to root2 list |
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510 | */ |
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511 | static void ipSwapId(idhdl tomove, idhdl &root1, idhdl &root2) |
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512 | { |
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513 | idhdl h; |
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514 | /* search 'tomove' in root2 : if found -> do nothing */ |
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515 | h=root2; |
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516 | while ((h!=NULL) && (h!=tomove)) h=IDNEXT(h); |
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517 | if (h!=NULL) return; |
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518 | /* search predecessor of h in root1, remove 'tomove' */ |
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519 | h=root1; |
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520 | if (tomove==h) |
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521 | { |
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522 | root1=IDNEXT(h); |
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523 | } |
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524 | else |
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525 | { |
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526 | while ((h!=NULL) && (IDNEXT(h)!=tomove)) h=IDNEXT(h); |
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527 | if (h==NULL) return; /* not in the list root1 -> do nothing */ |
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528 | IDNEXT(h)=IDNEXT(tomove); |
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529 | } |
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530 | /* add to root2 list */ |
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531 | IDNEXT(tomove)=root2; |
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532 | root2=tomove; |
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533 | } |
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534 | |
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535 | void ipMoveId(idhdl tomove) |
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536 | { |
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537 | if ((currRing!=NULL)&&(tomove!=NULL)) |
---|
538 | { |
---|
539 | if (((QRING_CMD!=IDTYP(tomove)) && (BEGIN_RING<IDTYP(tomove)) && (IDTYP(tomove)<END_RING)) |
---|
540 | || ((IDTYP(tomove)==LIST_CMD) && (lRingDependend(IDLIST(tomove))))) |
---|
541 | { |
---|
542 | /*move 'tomove' to ring id's*/ |
---|
543 | ipSwapId(tomove,IDROOT,currRing->idroot); |
---|
544 | } |
---|
545 | else |
---|
546 | { |
---|
547 | /*move 'tomove' to global id's*/ |
---|
548 | ipSwapId(tomove,currRing->idroot,IDROOT); |
---|
549 | } |
---|
550 | } |
---|
551 | } |
---|
552 | |
---|
553 | char * piProcinfo(procinfov pi, char *request) |
---|
554 | { |
---|
555 | if(pi == NULL) return "empty proc"; |
---|
556 | else if (strcmp(request, "libname") == 0) return pi->libname; |
---|
557 | else if (strcmp(request, "procname") == 0) return pi->procname; |
---|
558 | else if (strcmp(request, "type") == 0) { |
---|
559 | switch (pi->language) { |
---|
560 | case LANG_SINGULAR: return "singular"; break; |
---|
561 | case LANG_C: return "object"; break; |
---|
562 | case LANG_NONE: return "none"; break; |
---|
563 | default: return "unknow language"; |
---|
564 | } |
---|
565 | } else if (strcmp(request, "ref") == 0) { |
---|
566 | char p[8]; |
---|
567 | sprintf(p, "%d", pi->ref); |
---|
568 | return mstrdup(p); // MEMORY-LEAK |
---|
569 | } |
---|
570 | return "??"; |
---|
571 | } |
---|
572 | |
---|
573 | void piCleanUp(procinfov pi) |
---|
574 | { |
---|
575 | (pi->ref)--; |
---|
576 | if (pi->ref <= 0) |
---|
577 | { |
---|
578 | FreeL((ADDRESS)pi->libname); |
---|
579 | FreeL((ADDRESS)pi->procname); |
---|
580 | if( pi->language == LANG_SINGULAR) |
---|
581 | { |
---|
582 | FreeL((ADDRESS)pi->data.s.body); |
---|
583 | } |
---|
584 | if( pi->language == LANG_C) |
---|
585 | { |
---|
586 | } |
---|
587 | memset((void *) pi, 0, sizeof(procinfo)); |
---|
588 | pi->language=LANG_NONE; |
---|
589 | } |
---|
590 | } |
---|
591 | |
---|
592 | void piKill(procinfov pi) |
---|
593 | { |
---|
594 | piCleanUp(pi); |
---|
595 | if (pi->ref <= 0) |
---|
596 | Free((ADDRESS)pi, sizeof(procinfo)); |
---|
597 | } |
---|
598 | |
---|
599 | #ifdef HAVE_NAMESPACES |
---|
600 | char *getnamelev() |
---|
601 | { |
---|
602 | char buf[256]; |
---|
603 | sprintf(buf, "(%s:%d)", namespaceroot->name,namespaceroot->lev); |
---|
604 | return(buf); |
---|
605 | } |
---|
606 | |
---|
607 | namehdl namerec::push(package pack, char *name, BOOLEAN init) |
---|
608 | { |
---|
609 | //printf("PUSH: put entry (%s) on stack\n", name); |
---|
610 | namehdl ns = (namerec *)Alloc0(sizeof(namerec)); |
---|
611 | ns->next = this; |
---|
612 | if(this==NULL && !init) |
---|
613 | { |
---|
614 | printf("PUSH: this is NULL and init not set.\n"); |
---|
615 | init=TRUE; |
---|
616 | } |
---|
617 | if(init) |
---|
618 | { |
---|
619 | ns->pack = (ip_package *)Alloc0(sizeof(ip_package)); |
---|
620 | ns->isroot = TRUE; |
---|
621 | ns->lev = 1; |
---|
622 | } |
---|
623 | elses |
---|
624 | { |
---|
625 | ns->pack = pack; |
---|
626 | ns->lev = this->lev+1; |
---|
627 | } |
---|
628 | ns->name = mstrdup(name); |
---|
629 | |
---|
630 | |
---|
631 | //if(ns->isroot) Print("PUSH: Add root NameSpace\n"); |
---|
632 | if(ns->isroot) ns->root=ns; else ns->root = this->root; |
---|
633 | namespaceroot = ns; |
---|
634 | if(init && ns->isroot) |
---|
635 | { |
---|
636 | idhdl pl = enterid( mstrdup("toplevel"),0, PACKAGE_CMD, |
---|
637 | &NSROOT(namespaceroot), TRUE ); |
---|
638 | } |
---|
639 | return(namespaceroot); |
---|
640 | } |
---|
641 | |
---|
642 | namehdl namerec::pop() |
---|
643 | { |
---|
644 | namehdl ns; |
---|
645 | //printf("POP: remove entry (%s)\n", this->name); |
---|
646 | if(this==NULL) return NULL; |
---|
647 | if(isroot) { |
---|
648 | //printf("POP: base. woul'd do it.\n"); |
---|
649 | return this; |
---|
650 | } |
---|
651 | ns = this; |
---|
652 | namespaceroot = this->next; |
---|
653 | FreeL((ADDRESS)ns->name); |
---|
654 | Free((ADDRESS)ns, sizeof(namerec)); |
---|
655 | return(namespaceroot); |
---|
656 | } |
---|
657 | |
---|
658 | idhdl namerec::get(const char * s, int lev, int root) |
---|
659 | { |
---|
660 | namehdl ns; |
---|
661 | if(root) { |
---|
662 | ns = this->root; |
---|
663 | } else { |
---|
664 | ns = this; |
---|
665 | } |
---|
666 | //printf("//====== namerec::get(%s, %d) from '%s'\n", s, lev, ns->name); |
---|
667 | if(ns==NULL) { |
---|
668 | //printf("//======== namerec::get() from null\n"); |
---|
669 | return NULL; |
---|
670 | } |
---|
671 | return( NSROOT(ns)->get(s, lev)); |
---|
672 | } |
---|
673 | #endif /* HAVE_NAMESPACES */ |
---|