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annotate runtime/object.c @ 40:789a146a48e1

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Started adding support for naked values in user defined objects
author Mike Pavone <pavone@retrodev.com>
date Fri, 09 Oct 2009 01:01:26 -0400
parents 640f541e9116
children 1b86a1ee500a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #include "object.h"
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2 #include "builtin.h"
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3 #include <stdlib.h>
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4 #include <string.h>
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5 #include <stdio.h>
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6
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7 blueprint ** registered_types = NULL;
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8 uint32_t max_registered_type = 0;
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9 uint32_t type_storage = 0;
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10
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11 returntype call_method(uint32_t methodid, calldata * params)
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12 {
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13 int i;
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14 blueprint * bp = get_blueprint(params->params[0]);
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15 if(methodid >= bp->first_methodid && methodid < bp->last_methodid && bp->method_lookup[methodid - bp->first_methodid])
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16 {
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17 params->tail_func = bp->method_lookup[methodid - bp->first_methodid];
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18 return TAIL_RETURN;
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19 } else {
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20 if(METHOD_MISSING >= bp->first_methodid && METHOD_MISSING < bp->last_methodid && bp->method_lookup[METHOD_MISSING - bp->first_methodid])
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21 {
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22 params->tail_func = bp->method_lookup[METHOD_MISSING - bp->first_methodid];
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23 return TAIL_RETURN;
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24 } else {
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25 //TODO: Add useful info to exception
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26 for(i = 0; i < params->num_params; ++i)
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27 release_ref(params->params[i]);
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28 params->params[0] = new_object(TYPE_METHODMISSINGEXCEPTION);
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29 return EXCEPTION_RETURN;
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30 }
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31 }
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32 }
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33
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34 returntype set_field(uint32_t setfieldid, calldata * params)
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35 {
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36 int i;
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37 blueprint * bp = get_blueprint(params->params[0]);
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38 if(setfieldid >= bp->first_setfieldid && setfieldid < bp->last_setfieldid && bp->setter_lookup[setfieldid - bp->first_setfieldid])
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39 {
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40 params->tail_func = bp->setter_lookup[setfieldid - bp->first_setfieldid];
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41 return TAIL_RETURN;
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42 } else {
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43 if(METHOD_SETFIELDMISSING >= bp->first_setfieldid && METHOD_SETFIELDMISSING < bp->last_setfieldid && bp->method_lookup[METHOD_SETFIELDMISSING - bp->first_methodid])
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44 {
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45 params->tail_func = bp->method_lookup[METHOD_SETFIELDMISSING - bp->first_methodid];
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46 params->original_methodid = setfieldid;
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47 return TAIL_RETURN;
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48 } else {
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49 //TODO: Add useful info to exception
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50 for(i = 0; i < params->num_params; ++i)
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51 release_ref(params->params[i]);
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52 params->params[0] = new_object(TYPE_FIELDMISSINGEXCEPTION);
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53 return EXCEPTION_RETURN;
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54 }
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55 }
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56 }
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57
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58
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59 returntype get_field(uint32_t getfieldid, calldata * params)
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60 {
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61 int i;
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62 blueprint * bp = get_blueprint(params->params[0]);
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63 if(getfieldid >= bp->first_getfieldid && getfieldid < bp->last_getfieldid && bp->getter_lookup[getfieldid - bp->first_getfieldid])
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64 {
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65 params->tail_func = bp->getter_lookup[getfieldid - bp->first_getfieldid];
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66 return TAIL_RETURN;
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67 } else {
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68 if(METHOD_GETFIELDMISSING >= bp->first_getfieldid && METHOD_GETFIELDMISSING < bp->last_getfieldid && bp->method_lookup[METHOD_GETFIELDMISSING - bp->first_methodid])
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69 {
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70 params->tail_func = bp->method_lookup[METHOD_GETFIELDMISSING - bp->first_methodid];
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71 params->original_methodid = getfieldid;
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72 return TAIL_RETURN;
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73 } else {
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74 //TODO: Add useful info to exception
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75 for(i = 0; i < params->num_params; ++i)
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76 release_ref(params->params[i]);
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77 params->params[0] = new_object(TYPE_FIELDMISSINGEXCEPTION);
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78 return EXCEPTION_RETURN;
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79 }
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80 }
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81 }
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82
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83 returntype convert_to(uint32_t convertto, calldata * params)
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84 {
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85 int i;
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86 blueprint * bp = get_blueprint(params->params[0]);
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87 if(convertto >= bp->first_convertto && convertto < bp->last_convertto && bp->convert_to[convertto])
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88 {
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89 params->tail_func = bp->convert_to[convertto - bp->first_convertto];
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90 return TAIL_RETURN;
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91 } else {
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92 return NO_CONVERSION;
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93 }
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94 }
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95
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96 returntype convert_from(uint32_t convertfrom, calldata * params)
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97 {
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98 int i;
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99 blueprint * bp = registered_types[convertfrom];
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100 if(convertfrom >= bp->first_convertfrom && convertfrom < bp->last_convertfrom && bp->convert_from[convertfrom])
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101 {
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102 params->tail_func = bp->convert_from[convertfrom - bp->first_convertfrom];
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103 return TAIL_RETURN;
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104 } else {
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105 return NO_CONVERSION;
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106 }
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107 }
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108
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109 returntype coerce_value(uint32_t type, calldata * params)
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110 {
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111 int i;
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112 blueprint * bp = get_blueprint(params->params[0]);
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113 if(bp == registered_types[type])
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114 return NORMAL_RETURN;
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115 if(convert_to(type, params) == TAIL_RETURN)
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116 return TAIL_RETURN;
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117 if(convert_from(type, params) == TAIL_RETURN)
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118 return TAIL_RETURN;
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119 //TODO: Add useful info to exception
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120 for(i = 0; i < params->num_params; ++i)
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121 release_ref(params->params[i]);
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122 params->params[0] = new_object(TYPE_WRONGTYPEEXCEPTION);
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123 return EXCEPTION_RETURN;
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124 }
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125
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126 object * alloc_object(blueprint * bp)
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127 {
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128 //TODO: Replace with something more performant
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129 return malloc(bp->boxed_size);
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130 }
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131
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132 void * alloc_variable(uint32_t size)
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133 {
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134 return malloc(size);
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135 }
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136
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137 void dealloc_object(blueprint * bp, object * obj)
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138 {
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139 //TODO: Replace with something more performant
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140 free(obj);
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141 }
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142
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143 object * new_object(uint32_t type)
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144 {
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145 blueprint * bp;
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146 object * ret;
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147 if(type >= max_registered_type || !registered_types[type])
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148 return NULL;
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149 bp = registered_types[type];
36
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150 return new_object_bp(bp);
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151 }
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152
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153 object * new_object_bp(blueprint * bp)
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154 {
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diff changeset
155 object * ret;
7
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156 ret = alloc_object(bp);
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157 if(ret)
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158 {
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159 ret->bprint = bp;
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160 rh_atomic_set(ret, refcount, 1);
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161 memset(((char *)ret) + sizeof(object), '\0', bp->size);
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162 bp->init(ret);
37
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163 } else {
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164 fprintf(stderr, "Could not allocate new object with size %d\n", bp->boxed_size);
7
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165 }
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166 return ret;
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167 }
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168
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169 multisize * new_multisize(uint32_t type, uint32_t size)
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170 {
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171 blueprint *bp;
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172 multisize * ret;
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173 if(type >= max_registered_type || !registered_types[type])
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174 return NULL;
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175 ret = alloc_variable(sizeof(multisize) + type);
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176 if(ret)
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177 {
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178 bp = registered_types[type];
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179 ret->base.bprint = bp;
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180 ret->size = size;
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181 rh_atomic_set(&(ret->base), refcount, 1);
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182 memset(((char *)ret) + sizeof(multisize), '\0', size);
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183 bp->init((object *)ret);
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184 }
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185 return ret;
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186 }
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187
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188 object * copy_object(object * tocopy)
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189 {
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190 object * copy;
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191 multisize * mcopy, *mtocopy;
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192 blueprint * bp;
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193 if(rh_atomic_get(tocopy, refcount) == 1)
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194 return tocopy;
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195 bp = get_blueprint(tocopy);
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196 if(bp->size < 0) {
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197 mtocopy = (multisize *)tocopy;
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198 mcopy = alloc_variable(sizeof(multisize) + mtocopy->size);
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199 mcopy->size = mtocopy->size;
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200 memcpy(((char *)mcopy)+sizeof(multisize), ((char *)mtocopy)+sizeof(multisize), mtocopy->size);
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201 copy = (object *)mcopy;
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202 } else {
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diff changeset
203 copy = alloc_object(bp);
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204 memcpy(((char *)copy) + sizeof(object), ((char *)tocopy)+sizeof(object), bp->size);
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205 }
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diff changeset
206 copy->bprint = bp;
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207 rh_atomic_set(copy, refcount, 1);
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208 bp->copy(copy);
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diff changeset
209 release_ref(tocopy);
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210 return copy;
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211 }
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diff changeset
212
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diff changeset
213 object * naked_to_boxed(uint32_t type, void * rawdata)
789a146a48e1 Started adding support for naked values in user defined objects
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214 {
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diff changeset
215 object * dest;
789a146a48e1 Started adding support for naked values in user defined objects
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diff changeset
216 blueprint * bp = get_blueprint_byid(type);
789a146a48e1 Started adding support for naked values in user defined objects
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diff changeset
217 if(!bp->size)
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diff changeset
218 return NULL; //We don't know how big a naked multi-size object is so we can't do anything with it
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diff changeset
219 dest = alloc_object(bp);
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diff changeset
220 memcpy(((char *)dest) + sizeof(object), rawdata, bp->size);
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diff changeset
221 dest->bprint = bp;
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diff changeset
222 rh_atomic_set(dest, refcount, 1);
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diff changeset
223 bp->copy(dest);
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diff changeset
224 return dest;
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diff changeset
225 }
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diff changeset
226
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diff changeset
227 void boxed_to_naked(object * src, void * dest)
789a146a48e1 Started adding support for naked values in user defined objects
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diff changeset
228 {
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diff changeset
229 blueprint * bp = get_blueprint(src);
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diff changeset
230 if(!bp->size)
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diff changeset
231 return; //We don't know how big a naked multi-size object is so we can't do anything with it
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diff changeset
232 memcpy(dest, ((char *)src) + sizeof(object), bp->size);
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diff changeset
233 bp->copy(src);
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diff changeset
234 }
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diff changeset
235
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236 void free_object(object * obj)
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237 {
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238 blueprint * bp = get_blueprint(obj);
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239 if(bp->cleanup)
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diff changeset
240 bp->cleanup(obj);
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diff changeset
241 dealloc_object(bp, obj);
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diff changeset
242 }
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diff changeset
243
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diff changeset
244 void release_ref(object * obj)
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diff changeset
245 {
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diff changeset
246 if(rh_atomic_sub_testzero(obj, refcount, 1))
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diff changeset
247 free_object(obj);
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diff changeset
248 }
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diff changeset
249
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diff changeset
250 void check_type_storage(type)
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parents:
diff changeset
251 {
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diff changeset
252 uint32_t type_storage_temp;
d61550e2c001 Added current work on new runtime
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diff changeset
253 blueprint ** temp;
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diff changeset
254 if(type >= type_storage)
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diff changeset
255 if(type_storage)
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parents:
diff changeset
256 {
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diff changeset
257 type_storage_temp = (type + (type_storage >> 1));
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diff changeset
258 temp = realloc(registered_types, type_storage_temp * sizeof(blueprint *));
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diff changeset
259 if(temp)
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parents:
diff changeset
260 {
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diff changeset
261 registered_types = temp;
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diff changeset
262 memset(registered_types + type_storage, '\0', (type_storage_temp - type_storage) * sizeof(blueprint *));
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diff changeset
263 type_storage = type_storage_temp;
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diff changeset
264 }
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diff changeset
265 else
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diff changeset
266 {
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diff changeset
267 free(registered_types);
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diff changeset
268 fprintf(stderr, "Couldn't allocate %d bytes for type storage array\n", type_storage_temp * sizeof(blueprint *));
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diff changeset
269 exit(-1);
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diff changeset
270 }
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diff changeset
271 } else {
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diff changeset
272
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diff changeset
273 if(type < INITIAL_TYPE_STORAGE)
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diff changeset
274 type_storage =INITIAL_TYPE_STORAGE;
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diff changeset
275 else
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diff changeset
276 type_storage = type + 8;
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diff changeset
277 registered_types = malloc(type_storage * sizeof(blueprint *));
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diff changeset
278 if(registered_types)
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diff changeset
279 memset(registered_types, '\0', type_storage * sizeof(blueprint *));
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diff changeset
280 else
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diff changeset
281 {
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diff changeset
282 fprintf(stderr, "Couldn't allocate %d bytes for type storage array\n", type_storage * sizeof(blueprint *));
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diff changeset
283 exit(-1);
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parents:
diff changeset
284 }
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parents:
diff changeset
285
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parents:
diff changeset
286 }
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parents:
diff changeset
287 }
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parents:
diff changeset
288
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diff changeset
289 void default_action(object * obj)
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diff changeset
290 {
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parents:
diff changeset
291 }
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parents:
diff changeset
292
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diff changeset
293 blueprint * new_blueprint(uint32_t type, uint32_t size, special_func init, special_func copy, special_func cleanup)
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parents:
diff changeset
294 {
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diff changeset
295 blueprint * bp = malloc(sizeof(blueprint));
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diff changeset
296 if(bp)
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diff changeset
297 {
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diff changeset
298 bp->size = size;
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diff changeset
299 bp->boxed_size = size >= 0 ? size + sizeof(object) : size;
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diff changeset
300 bp->method_lookup = bp->getter_lookup = bp->setter_lookup = bp->convert_to = bp->convert_from = NULL;
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diff changeset
301 bp->init = init ? init : default_action;
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diff changeset
302 bp->copy = copy ? copy : default_action;
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diff changeset
303 bp->cleanup = cleanup ? cleanup : default_action;
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diff changeset
304 bp->first_methodid = bp->last_methodid = bp->first_getfieldid = bp->last_getfieldid = bp->first_setfieldid = bp->last_setfieldid = bp->first_convertto = bp->last_convertto = bp->first_convertfrom = bp->last_convertfrom = 0;
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parents:
diff changeset
305 //TODO: Handle names
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parents:
diff changeset
306 bp->name = NULL;
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parents:
diff changeset
307 }
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diff changeset
308 return bp;
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parents:
diff changeset
309 }
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parents:
diff changeset
310
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parents:
diff changeset
311 blueprint * register_type_byid(uint32_t type, uint32_t size, special_func init, special_func copy, special_func cleanup)
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diff changeset
312 {
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parents:
diff changeset
313 check_type_storage(type);
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parents:
diff changeset
314 if(registered_types[type])
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diff changeset
315 return registered_types[type];
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diff changeset
316 registered_types[type] = new_blueprint(type, size, init, copy, cleanup);
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diff changeset
317 if(!registered_types[type])
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diff changeset
318 {
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diff changeset
319 fputs("Couldn't allocate new object blueprint\n", stderr);
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diff changeset
320 exit(-1);
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parents:
diff changeset
321 }
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parents:
diff changeset
322 if(type >= max_registered_type)
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parents:
diff changeset
323 max_registered_type = type + 1;
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parents:
diff changeset
324 return registered_types[type];
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parents:
diff changeset
325 }
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parents:
diff changeset
326
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parents:
diff changeset
327 void add_method(blueprint * bp, uint32_t methodid, rhope_func impl)
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diff changeset
328 {
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parents:
diff changeset
329 rhope_func * temp;
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diff changeset
330 if(methodid < 1) {
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diff changeset
331 fputs("Attempt to add a method with an ID < 1\n", stderr);
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parents:
diff changeset
332 exit(-1);
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parents:
diff changeset
333 }
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parents:
diff changeset
334 if (!bp->method_lookup)
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diff changeset
335 {
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diff changeset
336 bp->method_lookup = malloc(sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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diff changeset
337 if(!bp->method_lookup) {
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diff changeset
338 fprintf(stderr, "Couldn't allocate %d bytes for method lookup table\n", sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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339 exit(-1);
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diff changeset
340 }
12
31f8182f3433 Finished fib test and did some small work on the c backend
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parents: 7
diff changeset
341 if(BELOW_INITIAL_METHOD > methodid) {
7
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diff changeset
342 bp->first_methodid = 1;
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343 bp->last_methodid = 1+INITIAL_METHOD_LOOKUP;
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344 } else {
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345 bp->first_methodid = methodid - BELOW_INITIAL_METHOD;
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diff changeset
346 bp->last_methodid = bp->first_methodid + INITIAL_METHOD_LOOKUP;
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347 }
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diff changeset
348 memset(bp->method_lookup, '\0', sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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349 } else {
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350 if (methodid < bp->first_methodid) {
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diff changeset
351 temp = bp->method_lookup;
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diff changeset
352 //Note: if this gets changed to generating an exception on failure, we need to restore the original buffer
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diff changeset
353 bp->method_lookup = malloc(sizeof(rhope_func) * (bp->last_methodid-methodid));
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diff changeset
354 if(!bp->method_lookup) {
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diff changeset
355 fprintf(stderr, "Couldn't allocate %d bytes for method lookup table\n", sizeof(rhope_func) * (bp->last_methodid-methodid));
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parents:
diff changeset
356 exit(-1);
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parents:
diff changeset
357 }
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parents:
diff changeset
358 memset(bp->method_lookup, '\0', (bp->first_methodid-methodid) * sizeof(rhope_func));
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diff changeset
359 memcpy(bp->method_lookup + bp->first_methodid-methodid, temp, (bp->last_methodid-bp->first_methodid)*sizeof(rhope_func));
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parents:
diff changeset
360 free(temp);
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diff changeset
361 bp->first_methodid = methodid;
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parents:
diff changeset
362 } else if(methodid >= bp->last_methodid) {
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parents:
diff changeset
363 //Note: if this gets changed to generating an exception on failure, we need to restore the original buffer
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parents:
diff changeset
364 bp->method_lookup = realloc(bp->method_lookup, (methodid+1-bp->first_methodid) * sizeof(rhope_func));
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parents:
diff changeset
365 if(!bp->method_lookup) {
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parents:
diff changeset
366 fprintf(stderr, "Couldn't resize method lookup table to %d bytes\n", (methodid+1-bp->first_methodid) * sizeof(rhope_func));
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parents:
diff changeset
367 exit(-1);
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parents:
diff changeset
368 }
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parents:
diff changeset
369 memset(bp->method_lookup+bp->last_methodid, '\0', (methodid+1)-bp->last_methodid);
12
31f8182f3433 Finished fib test and did some small work on the c backend
Mike Pavone <pavone@retrodev.com>
parents: 7
diff changeset
370 bp->last_methodid = methodid+1;
7
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
371 }
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parents:
diff changeset
372 }
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parents:
diff changeset
373 bp->method_lookup[methodid-bp->first_methodid] = impl;
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parents:
diff changeset
374 }
30
914ad38f9b59 Compiler now works for some simple programs
Mike Pavone <pavone@retrodev.com>
parents: 12
diff changeset
375
34
df038cef648b More work on supporting user defined types in the C backend
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diff changeset
376 void add_getter(blueprint * bp, uint32_t getfieldid, rhope_func impl)
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parents: 30
diff changeset
377 {
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diff changeset
378 rhope_func * temp;
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diff changeset
379 if(getfieldid < 1) {
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diff changeset
380 fputs("Attempt to add a method with an ID < 1\n", stderr);
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diff changeset
381 exit(-1);
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diff changeset
382 }
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parents: 30
diff changeset
383 if (!bp->getter_lookup)
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parents: 30
diff changeset
384 {
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diff changeset
385 bp->getter_lookup = malloc(sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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parents: 30
diff changeset
386 if(!bp->getter_lookup) {
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diff changeset
387 fprintf(stderr, "Couldn't allocate %d bytes for getter lookup table\n", sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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diff changeset
388 exit(-1);
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parents: 30
diff changeset
389 }
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parents: 30
diff changeset
390 if(BELOW_INITIAL_METHOD > getfieldid) {
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parents: 30
diff changeset
391 bp->first_getfieldid = 1;
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diff changeset
392 bp->last_getfieldid = 1+INITIAL_METHOD_LOOKUP;
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parents: 30
diff changeset
393 } else {
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diff changeset
394 bp->first_getfieldid = getfieldid - BELOW_INITIAL_METHOD;
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parents: 30
diff changeset
395 bp->last_getfieldid = bp->first_getfieldid + INITIAL_METHOD_LOOKUP;
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parents: 30
diff changeset
396 }
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
397 memset(bp->getter_lookup, '\0', sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
398 } else {
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
399 if (getfieldid < bp->first_getfieldid) {
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
400 temp = bp->getter_lookup;
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
401 //Note: if this gets changed to generating an exception on failure, we need to restore the original buffer
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
402 bp->getter_lookup = malloc(sizeof(rhope_func) * (bp->last_getfieldid-getfieldid));
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
403 if(!bp->getter_lookup) {
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
404 fprintf(stderr, "Couldn't allocate %d bytes for getter lookup table\n", sizeof(rhope_func) * (bp->last_getfieldid-getfieldid));
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
405 exit(-1);
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
406 }
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
407 memset(bp->getter_lookup, '\0', (bp->first_getfieldid-getfieldid) * sizeof(rhope_func));
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
408 memcpy(bp->getter_lookup + bp->first_getfieldid-getfieldid, temp, (bp->last_getfieldid-bp->first_getfieldid)*sizeof(rhope_func));
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
409 free(temp);
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
410 bp->first_getfieldid = getfieldid;
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
411 } else if(getfieldid >= bp->last_getfieldid) {
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
412 //Note: if this gets changed to generating an exception on failure, we need to restore the original buffer
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
413 bp->getter_lookup = realloc(bp->getter_lookup, (getfieldid+1-bp->first_getfieldid) * sizeof(rhope_func));
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
414 if(!bp->getter_lookup) {
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parents: 30
diff changeset
415 fprintf(stderr, "Couldn't resize getter lookup table to %d bytes\n", (getfieldid+1-bp->first_getfieldid) * sizeof(rhope_func));
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
416 exit(-1);
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
417 }
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
418 memset(bp->getter_lookup+bp->last_getfieldid, '\0', (getfieldid+1)-bp->last_getfieldid);
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
419 bp->last_getfieldid = getfieldid+1;
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
420 }
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
421 }
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
422 bp->getter_lookup[getfieldid-bp->first_getfieldid] = impl;
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
423 }
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
424
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
425 void add_setter(blueprint * bp, uint32_t setfieldid, rhope_func impl)
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
426 {
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
427 rhope_func * temp;
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
428 if(setfieldid < 1) {
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
429 fputs("Attempt to add a method with an ID < 1\n", stderr);
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
430 exit(-1);
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
431 }
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
432 if (!bp->setter_lookup)
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
433 {
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
434 bp->setter_lookup = malloc(sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
435 if(!bp->setter_lookup) {
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
436 fprintf(stderr, "Couldn't allocate %d bytes for setter lookup table\n", sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
437 exit(-1);
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
438 }
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
439 if(BELOW_INITIAL_METHOD > setfieldid) {
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
440 bp->first_setfieldid = 1;
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
441 bp->last_setfieldid = 1+INITIAL_METHOD_LOOKUP;
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
442 } else {
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
443 bp->first_setfieldid = setfieldid - BELOW_INITIAL_METHOD;
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
444 bp->last_setfieldid = bp->first_setfieldid + INITIAL_METHOD_LOOKUP;
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
445 }
df038cef648b More work on supporting user defined types in the C backend
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diff changeset
446 memset(bp->setter_lookup, '\0', sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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447 } else {
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448 if (setfieldid < bp->first_setfieldid) {
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449 temp = bp->setter_lookup;
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450 //Note: if this sets changed to generating an exception on failure, we need to restore the original buffer
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451 bp->setter_lookup = malloc(sizeof(rhope_func) * (bp->last_setfieldid-setfieldid));
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452 if(!bp->setter_lookup) {
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453 fprintf(stderr, "Couldn't allocate %d bytes for setter lookup table\n", sizeof(rhope_func) * (bp->last_setfieldid-setfieldid));
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454 exit(-1);
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455 }
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456 memset(bp->setter_lookup, '\0', (bp->first_setfieldid-setfieldid) * sizeof(rhope_func));
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457 memcpy(bp->setter_lookup + bp->first_setfieldid-setfieldid, temp, (bp->last_setfieldid-bp->first_setfieldid)*sizeof(rhope_func));
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458 free(temp);
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459 bp->first_setfieldid = setfieldid;
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460 } else if(setfieldid >= bp->last_setfieldid) {
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461 //Note: if this sets changed to generating an exception on failure, we need to restore the original buffer
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462 bp->setter_lookup = realloc(bp->setter_lookup, (setfieldid+1-bp->first_setfieldid) * sizeof(rhope_func));
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463 if(!bp->setter_lookup) {
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464 fprintf(stderr, "Couldn't resize setter lookup table to %d bytes\n", (setfieldid+1-bp->first_setfieldid) * sizeof(rhope_func));
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465 exit(-1);
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466 }
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467 memset(bp->setter_lookup+bp->last_setfieldid, '\0', (setfieldid+1)-bp->last_setfieldid);
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468 bp->last_setfieldid = setfieldid+1;
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469 }
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470 }
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471 bp->setter_lookup[setfieldid-bp->first_setfieldid] = impl;
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472 }
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473
30
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474 blueprint * get_blueprint_byid(uint32_t type)
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475 {
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476 if(type >= max_registered_type)
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477 return NULL;
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478 return registered_types[type];
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479 }
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480