1 | /*
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2 | * Copyright (c) 2010 Jiri Svoboda
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3 | * All rights reserved.
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4 | *
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5 | * Redistribution and use in source and binary forms, with or without
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6 | * modification, are permitted provided that the following conditions
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7 | * are met:
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8 | *
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9 | * - Redistributions of source code must retain the above copyright
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10 | * notice, this list of conditions and the following disclaimer.
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11 | * - Redistributions in binary form must reproduce the above copyright
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12 | * notice, this list of conditions and the following disclaimer in the
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13 | * documentation and/or other materials provided with the distribution.
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14 | * - The name of the author may not be used to endorse or promote products
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15 | * derived from this software without specific prior written permission.
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16 | *
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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27 | */
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28 |
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29 | /** @file Run-time data representation. */
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30 |
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31 | #include <stdlib.h>
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32 | #include <assert.h>
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33 | #include "intmap.h"
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34 | #include "list.h"
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35 | #include "mytypes.h"
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36 | #include "stree.h"
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37 | #include "strtab.h"
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38 | #include "symbol.h"
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39 |
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40 | #include "tdata.h"
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41 |
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42 | static void tdata_item_subst_tprimitive(tdata_primitive_t *torig,
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43 | tdata_tvv_t *tvv, tdata_item_t **res);
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44 | static void tdata_item_subst_tobject(tdata_object_t *torig, tdata_tvv_t *tvv,
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45 | tdata_item_t **res);
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46 | static void tdata_item_subst_tarray(tdata_array_t *torig, tdata_tvv_t *tvv,
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47 | tdata_item_t **res);
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48 | static void tdata_item_subst_tdeleg(tdata_deleg_t *torig,
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49 | tdata_tvv_t *tvv, tdata_item_t **res);
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50 | static void tdata_item_subst_tebase(tdata_ebase_t *tebase,
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51 | tdata_tvv_t *tvv, tdata_item_t **res);
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52 | static void tdata_item_subst_tenum(tdata_enum_t *tenum,
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53 | tdata_tvv_t *tvv, tdata_item_t **res);
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54 | static void tdata_item_subst_tfun(tdata_fun_t *torig,
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55 | tdata_tvv_t *tvv, tdata_item_t **res);
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56 | static void tdata_item_subst_tvref(tdata_vref_t *tvref, tdata_tvv_t *tvv,
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57 | tdata_item_t **res);
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58 |
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59 | static void tdata_item_subst_fun_sig(tdata_fun_sig_t *torig, tdata_tvv_t *tvv,
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60 | tdata_fun_sig_t **res);
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61 |
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62 | static void tdata_tprimitive_print(tdata_primitive_t *tprimitive);
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63 | static void tdata_tobject_print(tdata_object_t *tobject);
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64 | static void tdata_tarray_print(tdata_array_t *tarray);
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65 | static void tdata_tdeleg_print(tdata_deleg_t *tdeleg);
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66 | static void tdata_tebase_print(tdata_ebase_t *tebase);
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67 | static void tdata_tenum_print(tdata_enum_t *tenum);
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68 | static void tdata_tfun_print(tdata_fun_t *tfun);
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69 | static void tdata_tvref_print(tdata_vref_t *tvref);
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70 |
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71 | /** Determine if CSI @a a is derived from CSI described by type item @a tb.
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72 | *
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73 | * XXX This won't work with generics.
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74 | *
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75 | * @param a Potential derived CSI.
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76 | * @param tb Type of potentail base CSI.
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77 | */
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78 | bool_t tdata_is_csi_derived_from_ti(stree_csi_t *a, tdata_item_t *tb)
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79 | {
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80 | bool_t res;
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81 |
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82 | switch (tb->tic) {
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83 | case tic_tobject:
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84 | res = stree_is_csi_derived_from_csi(a, tb->u.tobject->csi);
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85 | break;
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86 | default:
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87 | printf("Error: Base type is not a CSI.\n");
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88 | exit(1);
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89 | }
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90 |
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91 | return res;
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92 | }
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93 |
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94 | /**
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95 | * Determine if CSI described by type item @a a is derived from CSI described
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96 | * by type item @a tb.
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97 | *
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98 | * XXX This is somewhat complementary to stype_convert(). It is used for
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99 | * the explicit @c as conversion. It should only work for objects and only
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100 | * allow conversion from base to derived types. We might want to scrap this
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101 | * for a version specific to @c as. The current code does not work with
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102 | * generics.
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103 | *
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104 | * @param a Potential derived CSI.
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105 | * @param tb Type of potentail base CSI.
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106 | */
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107 | bool_t tdata_is_ti_derived_from_ti(tdata_item_t *ta, tdata_item_t *tb)
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108 | {
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109 | bool_t res;
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110 |
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111 | switch (ta->tic) {
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112 | case tic_tobject:
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113 | res = tdata_is_csi_derived_from_ti(ta->u.tobject->csi, tb);
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114 | break;
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115 | default:
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116 | printf("Error: Derived type is not a CSI.\n");
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117 | exit(1);
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118 | }
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119 |
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120 | return res;
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121 | }
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122 |
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123 | /** Determine if two type items are equal (i.e. describe the same type).
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124 | *
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125 | * Needed to check compatibility of type arguments in which a parametrized
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126 | * type is not monotonous.
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127 | *
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128 | * @param a Type item
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129 | * @param b Type item
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130 | * @return @c b_true if equal, @c b_false if not.
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131 | */
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132 | bool_t tdata_item_equal(tdata_item_t *a, tdata_item_t *b)
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133 | {
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134 | /*
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135 | * Special case: Nil vs. object
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136 | *
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137 | * XXX Type of @c Nil should probably be @c object to avoid this
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138 | * madness.
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139 | */
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140 | if (a->tic == tic_tprimitive && a->u.tprimitive->tpc == tpc_nil) {
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141 | if (b->tic == tic_tobject)
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142 | return b_true;
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143 | } else if (b->tic == tic_tprimitive && b->u.tprimitive->tpc == tpc_nil) {
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144 | if (a->tic == tic_tobject)
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145 | return b_true;
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146 | }
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147 |
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148 | if (a->tic != b->tic)
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149 | return b_false;
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150 |
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151 | switch (a->tic) {
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152 | case tic_tprimitive:
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153 | /* Check if both have the same tprimitive class. */
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154 | return (a->u.tprimitive->tpc == b->u.tprimitive->tpc);
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155 | case tic_tobject:
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156 | /* Check if both use the same CSI definition. */
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157 | return (a->u.tobject->csi == b->u.tobject->csi);
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158 | case tic_tarray:
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159 | /* Compare rank and base type. */
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160 | if (a->u.tarray->rank != b->u.tarray->rank)
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161 | return b_false;
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162 |
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163 | return tdata_item_equal(a->u.tarray->base_ti,
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164 | b->u.tarray->base_ti);
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165 | case tic_tenum:
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166 | /* Check if both use the same enum definition. */
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167 | return (a->u.tenum->enum_d == b->u.tenum->enum_d);
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168 | case tic_tvref:
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169 | /* Check if both refer to the same type argument. */
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170 | return (a->u.tvref->targ == b->u.tvref->targ);
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171 | default:
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172 | printf("Warning: Unimplemented: Compare types '");
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173 | tdata_item_print(a);
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174 | printf("' and '");
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175 | tdata_item_print(b);
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176 | printf("'.\n");
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177 | return b_true;
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178 | }
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179 | }
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180 |
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181 | /** Substitute type variables in a type item.
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182 | *
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183 | * This is the second part of generic type application. In the first part
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184 | * obtained a TVV using stype_titem_to_tvv() and in this second part we
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185 | * actually substitute type variables in a type item for their values.
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186 | * @a tvv must contain all variables referenced in @a ti.
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187 | *
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188 | * @param ti Type item to substitute into.
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189 | * @param tvv Type variable valuation (values of type variables).
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190 | * @param res Place to store pointer to new type item.
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191 | */
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192 | void tdata_item_subst(tdata_item_t *ti, tdata_tvv_t *tvv, tdata_item_t **res)
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193 | {
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194 | switch (ti->tic) {
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195 | case tic_tprimitive:
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196 | tdata_item_subst_tprimitive(ti->u.tprimitive, tvv, res);
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197 | break;
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198 | case tic_tobject:
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199 | tdata_item_subst_tobject(ti->u.tobject, tvv, res);
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200 | break;
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201 | case tic_tarray:
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202 | tdata_item_subst_tarray(ti->u.tarray, tvv, res);
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203 | break;
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204 | case tic_tdeleg:
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205 | tdata_item_subst_tdeleg(ti->u.tdeleg, tvv, res);
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206 | break;
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207 | case tic_tebase:
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208 | tdata_item_subst_tebase(ti->u.tebase, tvv, res);
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209 | break;
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210 | case tic_tenum:
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211 | tdata_item_subst_tenum(ti->u.tenum, tvv, res);
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212 | break;
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213 | case tic_tfun:
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214 | tdata_item_subst_tfun(ti->u.tfun, tvv, res);
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215 | break;
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216 | case tic_tvref:
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217 | tdata_item_subst_tvref(ti->u.tvref, tvv, res);
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218 | break;
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219 | case tic_ignore:
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220 | *res = tdata_item_new(tic_ignore);
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221 | }
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222 | }
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223 |
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224 | /** Substitute type variables in a primitive type item.
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225 | *
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226 | * @param torig Type item to substitute into.
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227 | * @param tvv Type variable valuation (values of type variables).
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228 | * @param res Place to store pointer to new type item.
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229 | */
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230 | static void tdata_item_subst_tprimitive(tdata_primitive_t *torig,
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231 | tdata_tvv_t *tvv, tdata_item_t **res)
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232 | {
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233 | tdata_primitive_t *tnew;
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234 |
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235 | (void) tvv;
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236 |
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237 | /* Plain copy */
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238 | tnew = tdata_primitive_new(torig->tpc);
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239 | *res = tdata_item_new(tic_tprimitive);
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240 | (*res)->u.tprimitive = tnew;
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241 | }
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242 |
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243 | /** Substitute type variables in an object type item.
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244 | *
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245 | * @param torig Type item to substitute into.
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246 | * @param tvv Type variable valuation (values of type variables).
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247 | * @param res Place to store pointer to new type item.
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248 | */
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249 | static void tdata_item_subst_tobject(tdata_object_t *torig, tdata_tvv_t *tvv,
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250 | tdata_item_t **res)
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251 | {
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252 | tdata_object_t *tnew;
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253 | list_node_t *targ_n;
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254 | tdata_item_t *targ;
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255 | tdata_item_t *new_targ;
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256 |
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257 | /* Copy static ref flag and base CSI. */
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258 | tnew = tdata_object_new();
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259 | tnew->static_ref = torig->static_ref;
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260 | tnew->csi = torig->csi;
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261 | list_init(&tnew->targs);
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262 |
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263 | /* Substitute arguments */
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264 | targ_n = list_first(&torig->targs);
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265 | while (targ_n != NULL) {
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266 | targ = list_node_data(targ_n, tdata_item_t *);
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267 | tdata_item_subst(targ, tvv, &new_targ);
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268 | list_append(&tnew->targs, new_targ);
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269 |
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270 | targ_n = list_next(&torig->targs, targ_n);
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271 | }
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272 |
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273 | *res = tdata_item_new(tic_tobject);
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274 | (*res)->u.tobject = tnew;
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275 | }
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276 |
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277 | /** Substitute type variables in an array type item.
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278 | *
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279 | * @param torig Type item to substitute into.
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280 | * @param tvv Type variable valuation (values of type variables).
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281 | * @param res Place to store pointer to new type item.
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282 | */
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283 | static void tdata_item_subst_tarray(tdata_array_t *torig, tdata_tvv_t *tvv,
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284 | tdata_item_t **res)
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285 | {
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286 | tdata_array_t *tnew;
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287 | list_node_t *ext_n;
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288 | stree_expr_t *extent;
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289 |
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290 | tnew = tdata_array_new();
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291 |
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292 | /* Substitute base type */
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293 | tdata_item_subst(torig->base_ti, tvv, &tnew->base_ti);
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294 |
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295 | /* Copy rank and extents */
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296 | tnew->rank = torig->rank;
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297 | list_init(&tnew->extents);
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298 |
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299 | ext_n = list_first(&torig->extents);
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300 | while (ext_n != NULL) {
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301 | extent = list_node_data(ext_n, stree_expr_t *);
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302 | list_append(&tnew->extents, extent);
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303 |
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304 | ext_n = list_next(&tnew->extents, ext_n);
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305 | }
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306 |
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307 | *res = tdata_item_new(tic_tarray);
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308 | (*res)->u.tarray = tnew;
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309 | }
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310 |
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311 | /** Substitute type variables in a delegate type item.
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312 | *
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313 | * @param torig Type item to substitute into.
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314 | * @param tvv Type variable valuation (values of type variables).
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315 | * @param res Place to store pointer to new type item.
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316 | */
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317 | static void tdata_item_subst_tdeleg(tdata_deleg_t *torig, tdata_tvv_t *tvv,
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318 | tdata_item_t **res)
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319 | {
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320 | tdata_deleg_t *tnew;
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321 |
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322 | tnew = tdata_deleg_new();
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323 | tnew->deleg = torig->deleg;
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324 | tdata_item_subst_fun_sig(torig->tsig, tvv, &tnew->tsig);
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325 |
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326 | *res = tdata_item_new(tic_tdeleg);
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327 | (*res)->u.tdeleg = tnew;
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328 | }
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329 |
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330 | /** Substitute type variables in a enum-base type item.
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331 | *
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332 | * @param torig Type item to substitute into.
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333 | * @param tvv Type variable valuation (values of type variables).
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334 | * @param res Place to store pointer to new type item.
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335 | */
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336 | static void tdata_item_subst_tebase(tdata_ebase_t *tebase,
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337 | tdata_tvv_t *tvv, tdata_item_t **res)
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338 | {
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339 | tdata_ebase_t *tnew;
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340 |
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341 | (void) tvv;
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342 |
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343 | /* Plain copy */
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344 | tnew = tdata_ebase_new();
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345 | tnew->enum_d = tebase->enum_d;
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346 |
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347 | *res = tdata_item_new(tic_tebase);
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348 | (*res)->u.tebase = tnew;
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349 | }
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350 |
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351 | /** Substitute type variables in a enum type item.
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352 | *
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353 | * @param torig Type item to substitute into.
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354 | * @param tvv Type variable valuation (values of type variables).
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355 | * @param res Place to store pointer to new type item.
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356 | */
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357 | static void tdata_item_subst_tenum(tdata_enum_t *tenum,
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358 | tdata_tvv_t *tvv, tdata_item_t **res)
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359 | {
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360 | tdata_enum_t *tnew;
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361 |
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362 | (void) tvv;
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363 |
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364 | /* Plain copy */
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365 | tnew = tdata_enum_new();
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366 | tnew->enum_d = tenum->enum_d;
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367 |
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368 | *res = tdata_item_new(tic_tenum);
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369 | (*res)->u.tenum = tnew;
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370 | }
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371 |
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372 | /** Substitute type variables in a functional type item.
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373 | *
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374 | * @param torig Type item to substitute into.
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375 | * @param tvv Type variable valuation (values of type variables).
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376 | * @param res Place to store pointer to new type item.
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377 | */
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378 | static void tdata_item_subst_tfun(tdata_fun_t *torig, tdata_tvv_t *tvv,
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379 | tdata_item_t **res)
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380 | {
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381 | tdata_fun_t *tnew;
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382 |
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383 | tnew = tdata_fun_new();
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384 | tdata_item_subst_fun_sig(torig->tsig, tvv, &tnew->tsig);
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385 |
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386 | *res = tdata_item_new(tic_tfun);
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387 | (*res)->u.tfun = tnew;
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388 | }
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389 |
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390 | /** Substitute type variables in a type-variable reference item.
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391 | *
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392 | * @param torig Type item to substitute into.
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393 | * @param tvv Type variable valuation (values of type variables).
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394 | * @param res Place to store pointer to new type item.
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395 | */
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396 | static void tdata_item_subst_tvref(tdata_vref_t *tvref, tdata_tvv_t *tvv,
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397 | tdata_item_t **res)
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398 | {
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399 | tdata_item_t *ti_new;
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400 |
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401 | ti_new = tdata_tvv_get_val(tvv, tvref->targ->name->sid);
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402 | assert(ti_new != NULL);
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403 |
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404 | /* XXX Might be better to clone here. */
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405 | *res = ti_new;
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406 | }
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407 |
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408 | /** Substitute type variables in a function signature type fragment.
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409 | *
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410 | * @param torig Type item to substitute into.
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411 | * @param tvv Type variable valuation (values of type variables).
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412 | * @param res Place to store pointer to new type item.
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413 | */
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414 | static void tdata_item_subst_fun_sig(tdata_fun_sig_t *torig, tdata_tvv_t *tvv,
|
---|
415 | tdata_fun_sig_t **res)
|
---|
416 | {
|
---|
417 | tdata_fun_sig_t *tnew;
|
---|
418 | list_node_t *arg_n;
|
---|
419 | tdata_item_t *arg_ti;
|
---|
420 | tdata_item_t *narg_ti = NULL;
|
---|
421 |
|
---|
422 | tnew = tdata_fun_sig_new();
|
---|
423 |
|
---|
424 | /* Substitute type of each argument */
|
---|
425 | list_init(&tnew->arg_ti);
|
---|
426 | arg_n = list_first(&torig->arg_ti);
|
---|
427 | while (arg_n != NULL) {
|
---|
428 | arg_ti = list_node_data(arg_n, tdata_item_t *);
|
---|
429 |
|
---|
430 | /* XXX Because of overloaded Builtin.WriteLine */
|
---|
431 | if (arg_ti == NULL)
|
---|
432 | narg_ti = NULL;
|
---|
433 | else
|
---|
434 | tdata_item_subst(arg_ti, tvv, &narg_ti);
|
---|
435 |
|
---|
436 | list_append(&tnew->arg_ti, narg_ti);
|
---|
437 |
|
---|
438 | arg_n = list_next(&torig->arg_ti, arg_n);
|
---|
439 | }
|
---|
440 |
|
---|
441 | /* Substitute type of variadic argument */
|
---|
442 | if (torig->varg_ti != NULL)
|
---|
443 | tdata_item_subst(torig->varg_ti, tvv, &tnew->varg_ti);
|
---|
444 |
|
---|
445 | /* Substitute return type */
|
---|
446 | if (torig->rtype != NULL)
|
---|
447 | tdata_item_subst(torig->rtype, tvv, &tnew->rtype);
|
---|
448 |
|
---|
449 | *res = tnew;
|
---|
450 | }
|
---|
451 |
|
---|
452 | /** Print type item.
|
---|
453 | *
|
---|
454 | * @param titem Type item
|
---|
455 | */
|
---|
456 | void tdata_item_print(tdata_item_t *titem)
|
---|
457 | {
|
---|
458 | if (titem == NULL) {
|
---|
459 | printf("none");
|
---|
460 | return;
|
---|
461 | }
|
---|
462 |
|
---|
463 | switch (titem->tic) {
|
---|
464 | case tic_tprimitive:
|
---|
465 | tdata_tprimitive_print(titem->u.tprimitive);
|
---|
466 | break;
|
---|
467 | case tic_tobject:
|
---|
468 | tdata_tobject_print(titem->u.tobject);
|
---|
469 | break;
|
---|
470 | case tic_tarray:
|
---|
471 | tdata_tarray_print(titem->u.tarray);
|
---|
472 | break;
|
---|
473 | case tic_tdeleg:
|
---|
474 | tdata_tdeleg_print(titem->u.tdeleg);
|
---|
475 | break;
|
---|
476 | case tic_tebase:
|
---|
477 | tdata_tebase_print(titem->u.tebase);
|
---|
478 | break;
|
---|
479 | case tic_tenum:
|
---|
480 | tdata_tenum_print(titem->u.tenum);
|
---|
481 | break;
|
---|
482 | case tic_tfun:
|
---|
483 | tdata_tfun_print(titem->u.tfun);
|
---|
484 | break;
|
---|
485 | case tic_tvref:
|
---|
486 | tdata_tvref_print(titem->u.tvref);
|
---|
487 | break;
|
---|
488 | case tic_ignore:
|
---|
489 | printf("ignore");
|
---|
490 | break;
|
---|
491 | }
|
---|
492 | }
|
---|
493 |
|
---|
494 | /** Print primitive type item.
|
---|
495 | *
|
---|
496 | * @param tprimitive Primitive type item
|
---|
497 | */
|
---|
498 | static void tdata_tprimitive_print(tdata_primitive_t *tprimitive)
|
---|
499 | {
|
---|
500 | switch (tprimitive->tpc) {
|
---|
501 | case tpc_bool:
|
---|
502 | printf("bool");
|
---|
503 | break;
|
---|
504 | case tpc_char:
|
---|
505 | printf("char");
|
---|
506 | break;
|
---|
507 | case tpc_int:
|
---|
508 | printf("int");
|
---|
509 | break;
|
---|
510 | case tpc_nil:
|
---|
511 | printf("nil");
|
---|
512 | break;
|
---|
513 | case tpc_string:
|
---|
514 | printf("string");
|
---|
515 | break;
|
---|
516 | case tpc_resource:
|
---|
517 | printf("resource");
|
---|
518 | break;
|
---|
519 | }
|
---|
520 | }
|
---|
521 |
|
---|
522 | /** Print object type item.
|
---|
523 | *
|
---|
524 | * @param tobject Object type item
|
---|
525 | */
|
---|
526 | static void tdata_tobject_print(tdata_object_t *tobject)
|
---|
527 | {
|
---|
528 | stree_symbol_t *csi_sym;
|
---|
529 | list_node_t *arg_n;
|
---|
530 | tdata_item_t *arg;
|
---|
531 |
|
---|
532 | csi_sym = csi_to_symbol(tobject->csi);
|
---|
533 | assert(csi_sym != NULL);
|
---|
534 | symbol_print_fqn(csi_sym);
|
---|
535 |
|
---|
536 | arg_n = list_first(&tobject->targs);
|
---|
537 | while (arg_n != NULL) {
|
---|
538 | arg = list_node_data(arg_n, tdata_item_t *);
|
---|
539 | putchar('/');
|
---|
540 | tdata_item_print(arg);
|
---|
541 | arg_n = list_next(&tobject->targs, arg_n);
|
---|
542 | }
|
---|
543 | }
|
---|
544 |
|
---|
545 | /** Print array type item.
|
---|
546 | *
|
---|
547 | * @param tarray Array type item
|
---|
548 | */
|
---|
549 | static void tdata_tarray_print(tdata_array_t *tarray)
|
---|
550 | {
|
---|
551 | int i;
|
---|
552 |
|
---|
553 | tdata_item_print(tarray->base_ti);
|
---|
554 |
|
---|
555 | printf("[");
|
---|
556 | for (i = 0; i < tarray->rank - 1; ++i)
|
---|
557 | printf(",");
|
---|
558 | printf("]");
|
---|
559 | }
|
---|
560 |
|
---|
561 | /** Print delegate type item.
|
---|
562 | *
|
---|
563 | * @param tdeleg Delegate type item
|
---|
564 | */
|
---|
565 | static void tdata_tdeleg_print(tdata_deleg_t *tdeleg)
|
---|
566 | {
|
---|
567 | stree_symbol_t *deleg_sym;
|
---|
568 |
|
---|
569 | deleg_sym = deleg_to_symbol(tdeleg->deleg);
|
---|
570 | symbol_print_fqn(deleg_sym);
|
---|
571 | }
|
---|
572 |
|
---|
573 | /** Print enum-base type item.
|
---|
574 | *
|
---|
575 | * @param tebase Enum-base type item
|
---|
576 | */
|
---|
577 | static void tdata_tebase_print(tdata_ebase_t *tebase)
|
---|
578 | {
|
---|
579 | stree_symbol_t *enum_sym;
|
---|
580 |
|
---|
581 | enum_sym = enum_to_symbol(tebase->enum_d);
|
---|
582 |
|
---|
583 | printf("typeref(");
|
---|
584 | symbol_print_fqn(enum_sym);
|
---|
585 | printf(")");
|
---|
586 | }
|
---|
587 |
|
---|
588 | /** Print enum type item.
|
---|
589 | *
|
---|
590 | * @param tenum Enum type item
|
---|
591 | */
|
---|
592 | static void tdata_tenum_print(tdata_enum_t *tenum)
|
---|
593 | {
|
---|
594 | stree_symbol_t *enum_sym;
|
---|
595 |
|
---|
596 | enum_sym = enum_to_symbol(tenum->enum_d);
|
---|
597 | symbol_print_fqn(enum_sym);
|
---|
598 | }
|
---|
599 |
|
---|
600 | /** Print function type item.
|
---|
601 | *
|
---|
602 | * @param tfun Function type item
|
---|
603 | */
|
---|
604 | static void tdata_tfun_print(tdata_fun_t *tfun)
|
---|
605 | {
|
---|
606 | list_node_t *arg_n;
|
---|
607 | tdata_item_t *arg_ti;
|
---|
608 | bool_t first;
|
---|
609 |
|
---|
610 | printf("fun(");
|
---|
611 |
|
---|
612 | arg_n = list_first(&tfun->tsig->arg_ti);
|
---|
613 | first = b_true;
|
---|
614 | while (arg_n != NULL) {
|
---|
615 | if (first == b_false)
|
---|
616 | printf("; ");
|
---|
617 | else
|
---|
618 | first = b_false;
|
---|
619 |
|
---|
620 | arg_ti = list_node_data(arg_n, tdata_item_t *);
|
---|
621 | tdata_item_print(arg_ti);
|
---|
622 |
|
---|
623 | arg_n = list_next(&tfun->tsig->arg_ti, arg_n);
|
---|
624 | }
|
---|
625 |
|
---|
626 | printf(") : ");
|
---|
627 | tdata_item_print(tfun->tsig->rtype);
|
---|
628 | }
|
---|
629 |
|
---|
630 | /** Print type variable reference type item.
|
---|
631 | *
|
---|
632 | * @param tvref Type variable reference type item
|
---|
633 | */
|
---|
634 | static void tdata_tvref_print(tdata_vref_t *tvref)
|
---|
635 | {
|
---|
636 | printf("%s", strtab_get_str(tvref->targ->name->sid));
|
---|
637 | }
|
---|
638 |
|
---|
639 | /** Allocate new type item.
|
---|
640 | *
|
---|
641 | * @param tic Type item class
|
---|
642 | * @return New type item
|
---|
643 | */
|
---|
644 | tdata_item_t *tdata_item_new(titem_class_t tic)
|
---|
645 | {
|
---|
646 | tdata_item_t *titem;
|
---|
647 |
|
---|
648 | titem = calloc(1, sizeof(tdata_item_t));
|
---|
649 | if (titem == NULL) {
|
---|
650 | printf("Memory allocation failed.\n");
|
---|
651 | exit(1);
|
---|
652 | }
|
---|
653 |
|
---|
654 | titem->tic = tic;
|
---|
655 | return titem;
|
---|
656 | }
|
---|
657 |
|
---|
658 | /** Allocate new array type item.
|
---|
659 | *
|
---|
660 | * @return New array type item
|
---|
661 | */
|
---|
662 | tdata_array_t *tdata_array_new(void)
|
---|
663 | {
|
---|
664 | tdata_array_t *tarray;
|
---|
665 |
|
---|
666 | tarray = calloc(1, sizeof(tdata_array_t));
|
---|
667 | if (tarray == NULL) {
|
---|
668 | printf("Memory allocation failed.\n");
|
---|
669 | exit(1);
|
---|
670 | }
|
---|
671 |
|
---|
672 | return tarray;
|
---|
673 | }
|
---|
674 |
|
---|
675 | /** Allocate new object type item.
|
---|
676 | *
|
---|
677 | * @return New object type item
|
---|
678 | */
|
---|
679 | tdata_object_t *tdata_object_new(void)
|
---|
680 | {
|
---|
681 | tdata_object_t *tobject;
|
---|
682 |
|
---|
683 | tobject = calloc(1, sizeof(tdata_object_t));
|
---|
684 | if (tobject == NULL) {
|
---|
685 | printf("Memory allocation failed.\n");
|
---|
686 | exit(1);
|
---|
687 | }
|
---|
688 |
|
---|
689 | return tobject;
|
---|
690 | }
|
---|
691 |
|
---|
692 | /** Allocate new primitive type item.
|
---|
693 | *
|
---|
694 | * @return New primitive type item
|
---|
695 | */
|
---|
696 | tdata_primitive_t *tdata_primitive_new(tprimitive_class_t tpc)
|
---|
697 | {
|
---|
698 | tdata_primitive_t *tprimitive;
|
---|
699 |
|
---|
700 | tprimitive = calloc(1, sizeof(tdata_primitive_t));
|
---|
701 | if (tprimitive == NULL) {
|
---|
702 | printf("Memory allocation failed.\n");
|
---|
703 | exit(1);
|
---|
704 | }
|
---|
705 |
|
---|
706 | tprimitive->tpc = tpc;
|
---|
707 | return tprimitive;
|
---|
708 | }
|
---|
709 |
|
---|
710 | /** Allocate new delegate type item.
|
---|
711 | *
|
---|
712 | * @return New function type item
|
---|
713 | */
|
---|
714 | tdata_deleg_t *tdata_deleg_new(void)
|
---|
715 | {
|
---|
716 | tdata_deleg_t *tdeleg;
|
---|
717 |
|
---|
718 | tdeleg = calloc(1, sizeof(tdata_deleg_t));
|
---|
719 | if (tdeleg == NULL) {
|
---|
720 | printf("Memory allocation failed.\n");
|
---|
721 | exit(1);
|
---|
722 | }
|
---|
723 |
|
---|
724 | return tdeleg;
|
---|
725 | }
|
---|
726 |
|
---|
727 | /** Allocate new enum-base type item.
|
---|
728 | *
|
---|
729 | * @return New enum type item
|
---|
730 | */
|
---|
731 | tdata_ebase_t *tdata_ebase_new(void)
|
---|
732 | {
|
---|
733 | tdata_ebase_t *tebase;
|
---|
734 |
|
---|
735 | tebase = calloc(1, sizeof(tdata_ebase_t));
|
---|
736 | if (tebase == NULL) {
|
---|
737 | printf("Memory allocation failed.\n");
|
---|
738 | exit(1);
|
---|
739 | }
|
---|
740 |
|
---|
741 | return tebase;
|
---|
742 | }
|
---|
743 |
|
---|
744 | /** Allocate new enum type item.
|
---|
745 | *
|
---|
746 | * @return New enum type item
|
---|
747 | */
|
---|
748 | tdata_enum_t *tdata_enum_new(void)
|
---|
749 | {
|
---|
750 | tdata_enum_t *tenum;
|
---|
751 |
|
---|
752 | tenum = calloc(1, sizeof(tdata_enum_t));
|
---|
753 | if (tenum == NULL) {
|
---|
754 | printf("Memory allocation failed.\n");
|
---|
755 | exit(1);
|
---|
756 | }
|
---|
757 |
|
---|
758 | return tenum;
|
---|
759 | }
|
---|
760 |
|
---|
761 | /** Allocate new functional type item.
|
---|
762 | *
|
---|
763 | * @return New function type item
|
---|
764 | */
|
---|
765 | tdata_fun_t *tdata_fun_new(void)
|
---|
766 | {
|
---|
767 | tdata_fun_t *tfun;
|
---|
768 |
|
---|
769 | tfun = calloc(1, sizeof(tdata_fun_t));
|
---|
770 | if (tfun == NULL) {
|
---|
771 | printf("Memory allocation failed.\n");
|
---|
772 | exit(1);
|
---|
773 | }
|
---|
774 |
|
---|
775 | return tfun;
|
---|
776 | }
|
---|
777 |
|
---|
778 | /** Allocate new type variable reference type item.
|
---|
779 | *
|
---|
780 | * @return New type variable reference type item
|
---|
781 | */
|
---|
782 | tdata_vref_t *tdata_vref_new(void)
|
---|
783 | {
|
---|
784 | tdata_vref_t *tvref;
|
---|
785 |
|
---|
786 | tvref = calloc(1, sizeof(tdata_vref_t));
|
---|
787 | if (tvref == NULL) {
|
---|
788 | printf("Memory allocation failed.\n");
|
---|
789 | exit(1);
|
---|
790 | }
|
---|
791 |
|
---|
792 | return tvref;
|
---|
793 | }
|
---|
794 |
|
---|
795 | /** Allocate new function signature type fragment.
|
---|
796 | *
|
---|
797 | * @return New function signature type fragment
|
---|
798 | */
|
---|
799 | tdata_fun_sig_t *tdata_fun_sig_new(void)
|
---|
800 | {
|
---|
801 | tdata_fun_sig_t *tfun_sig;
|
---|
802 |
|
---|
803 | tfun_sig = calloc(1, sizeof(tdata_fun_sig_t));
|
---|
804 | if (tfun_sig == NULL) {
|
---|
805 | printf("Memory allocation failed.\n");
|
---|
806 | exit(1);
|
---|
807 | }
|
---|
808 |
|
---|
809 | return tfun_sig;
|
---|
810 | }
|
---|
811 |
|
---|
812 | /** Create a new type variable valuation.
|
---|
813 | *
|
---|
814 | * @retrun New type variable valuation
|
---|
815 | */
|
---|
816 | tdata_tvv_t *tdata_tvv_new(void)
|
---|
817 | {
|
---|
818 | tdata_tvv_t *tvv;
|
---|
819 |
|
---|
820 | tvv = calloc(1, sizeof(tdata_tvv_t));
|
---|
821 | if (tvv == NULL) {
|
---|
822 | printf("Memory allocation failed.\n");
|
---|
823 | exit(1);
|
---|
824 | }
|
---|
825 |
|
---|
826 | return tvv;
|
---|
827 | }
|
---|
828 |
|
---|
829 | /** Get type variable value.
|
---|
830 | *
|
---|
831 | * Looks up value of the variable with name SID @a name in type
|
---|
832 | * variable valuation @a tvv.
|
---|
833 | *
|
---|
834 | * @param tvv Type variable valuation
|
---|
835 | * @param name Name of the variable (SID)
|
---|
836 | * @return Value of the type variable (type item) or @c NULL
|
---|
837 | * if not defined in @a tvv
|
---|
838 | */
|
---|
839 | tdata_item_t *tdata_tvv_get_val(tdata_tvv_t *tvv, sid_t name)
|
---|
840 | {
|
---|
841 | return (tdata_item_t *)intmap_get(&tvv->tvv, name);
|
---|
842 | }
|
---|
843 |
|
---|
844 | /** Set type variable value.
|
---|
845 | *
|
---|
846 | * Sets the value of variable with name SID @a name in type variable
|
---|
847 | * valuation @a tvv to the value @a tvalue.
|
---|
848 | *
|
---|
849 | * @param tvv Type variable valuation
|
---|
850 | * @param name Name of the variable (SID)
|
---|
851 | * @param tvalue Value to set (type item) or @c NULL to unset
|
---|
852 | */
|
---|
853 | void tdata_tvv_set_val(tdata_tvv_t *tvv, sid_t name, tdata_item_t *tvalue)
|
---|
854 | {
|
---|
855 | intmap_set(&tvv->tvv, name, tvalue);
|
---|
856 | }
|
---|