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annotate runtime/object.c @ 63:04baa003de5a

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Merged latest changes with better C branch
author Mike Pavone <pavone@retrodev.com>
date Wed, 05 May 2010 22:12:23 -0400
parents b218af069da7 3e20ed8959c4
children a68e6828d896
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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 #include "fixed_alloc.h"
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8 blueprint ** registered_types = NULL;
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9 uint32_t max_registered_type = 0;
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10 uint32_t type_storage = 0;
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11
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12 mem_manager * manager = NULL;
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13 /*
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14
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15 returntype call_method(uint32_t methodid, calldata * params)
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16 {
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17 int i;
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18 blueprint * bp = get_blueprint(params->params[0]);
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19 if(methodid >= bp->first_methodid && methodid < bp->last_methodid && bp->method_lookup[methodid - bp->first_methodid])
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20 {
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21 params->tail_func = bp->method_lookup[methodid - bp->first_methodid];
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22 return TAIL_RETURN;
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23 } else {
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24 if(METHOD_MISSING >= bp->first_methodid && METHOD_MISSING < bp->last_methodid && bp->method_lookup[METHOD_MISSING - bp->first_methodid])
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25 {
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26 params->tail_func = bp->method_lookup[METHOD_MISSING - bp->first_methodid];
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27 return TAIL_RETURN;
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28 } else {
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29 //TODO: Add useful info to exception
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30 for(i = 0; i < params->num_params; ++i)
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31 release_ref(params->params[i]);
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32 params->params[0] = new_object(TYPE_METHODMISSINGEXCEPTION);
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33 return EXCEPTION_RETURN;
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34 }
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35 }
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36 }
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37
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38 returntype set_field(uint32_t setfieldid, calldata * params)
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39 {
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40 int i;
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41 blueprint * bp = get_blueprint(params->params[0]);
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42 if(setfieldid >= bp->first_setfieldid && setfieldid < bp->last_setfieldid && bp->setter_lookup[setfieldid - bp->first_setfieldid])
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43 {
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44 params->tail_func = bp->setter_lookup[setfieldid - bp->first_setfieldid];
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45 return TAIL_RETURN;
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46 } else {
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47 if(METHOD_SETFIELDMISSING >= bp->first_setfieldid && METHOD_SETFIELDMISSING < bp->last_setfieldid && bp->method_lookup[METHOD_SETFIELDMISSING - bp->first_methodid])
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48 {
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49 params->tail_func = bp->method_lookup[METHOD_SETFIELDMISSING - bp->first_methodid];
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50 params->original_methodid = setfieldid;
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51 return TAIL_RETURN;
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52 } else {
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53 //TODO: Add useful info to exception
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54 for(i = 0; i < params->num_params; ++i)
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55 release_ref(params->params[i]);
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56 params->params[0] = new_object(TYPE_FIELDMISSINGEXCEPTION);
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57 return EXCEPTION_RETURN;
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58 }
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59 }
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60 }
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63 returntype get_field(uint32_t getfieldid, calldata * params)
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64 {
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65 int i;
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66 blueprint * bp = get_blueprint(params->params[0]);
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67 if(getfieldid >= bp->first_getfieldid && getfieldid < bp->last_getfieldid && bp->getter_lookup[getfieldid - bp->first_getfieldid])
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68 {
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69 params->tail_func = bp->getter_lookup[getfieldid - bp->first_getfieldid];
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70 return TAIL_RETURN;
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71 } else {
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72 if(METHOD_GETFIELDMISSING >= bp->first_getfieldid && METHOD_GETFIELDMISSING < bp->last_getfieldid && bp->method_lookup[METHOD_GETFIELDMISSING - bp->first_methodid])
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73 {
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74 params->tail_func = bp->method_lookup[METHOD_GETFIELDMISSING - bp->first_methodid];
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75 params->original_methodid = getfieldid;
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76 return TAIL_RETURN;
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77 } else {
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78 //TODO: Add useful info to exception
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79 for(i = 0; i < params->num_params; ++i)
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80 release_ref(params->params[i]);
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81 params->params[0] = new_object(TYPE_FIELDMISSINGEXCEPTION);
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82 return EXCEPTION_RETURN;
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83 }
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84 }
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85 }
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86
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87 returntype convert_to(uint32_t convertto, calldata * params)
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88 {
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89 int i;
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90 blueprint * bp = get_blueprint(params->params[0]);
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91 if(convertto >= bp->first_convertto && convertto < bp->last_convertto && bp->convert_to[convertto])
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92 {
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93 params->tail_func = bp->convert_to[convertto - bp->first_convertto];
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94 return TAIL_RETURN;
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95 } else {
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96 return NO_CONVERSION;
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97 }
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98 }
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99
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100 returntype convert_from(uint32_t convertfrom, calldata * params)
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101 {
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102 int i;
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103 blueprint * bp = registered_types[convertfrom];
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104 if(convertfrom >= bp->first_convertfrom && convertfrom < bp->last_convertfrom && bp->convert_from[convertfrom])
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105 {
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106 params->tail_func = bp->convert_from[convertfrom - bp->first_convertfrom];
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107 return TAIL_RETURN;
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108 } else {
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109 return NO_CONVERSION;
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110 }
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111 }
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112
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113 returntype coerce_value(uint32_t type, calldata * params)
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114 {
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115 int i;
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116 blueprint * bp = get_blueprint(params->params[0]);
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117 if(bp == registered_types[type])
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118 return NORMAL_RETURN;
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119 if(convert_to(type, params) == TAIL_RETURN)
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120 return TAIL_RETURN;
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121 if(convert_from(type, params) == TAIL_RETURN)
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122 return TAIL_RETURN;
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123 //TODO: Add useful info to exception
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124 for(i = 0; i < params->num_params; ++i)
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125 release_ref(params->params[i]);
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126 params->params[0] = new_object(TYPE_WRONGTYPEEXCEPTION);
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127 return EXCEPTION_RETURN;
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128 }*/
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129
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130 object * alloc_object(blueprint * bp)
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131 {
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132 return falloc(bp->boxed_size, manager);
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133 //return malloc(bp->boxed_size);
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134 }
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135
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136 void dealloc_object(blueprint * bp, object * obj)
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137 {
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138 ffree(obj, bp->boxed_size, manager);
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139 }
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140
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141 object * new_object(uint32_t type)
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142 {
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143 blueprint * bp;
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144 object * ret;
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145 if(type >= max_registered_type || !registered_types[type])
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146 return NULL;
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147 bp = registered_types[type];
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148 return new_object_bp(bp);
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149 }
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150
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151 object * new_object_bp(blueprint * bp)
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152 {
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153 object * ret;
7
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154 ret = alloc_object(bp);
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155 if(ret)
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156 {
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157 ret->bprint = bp;
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158 rh_atomic_set(ret, refcount, 1);
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159 memset(((char *)ret) + sizeof(object), '\0', bp->size);
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160 bp->init(ret);
37
640f541e9116 Added support for type declarations on user defined workers and added a few more methods to Int32 in the runtime for the C backend
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161 } else {
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162 fprintf(stderr, "Could not allocate new object with size %d\n", bp->boxed_size);
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163 }
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164 return ret;
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165 }
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166
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167 multisize * new_multisize(uint32_t type, uint32_t size)
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168 {
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169 blueprint *bp;
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170 multisize * ret;
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171 if(type >= max_registered_type || !registered_types[type])
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172 return NULL;
41
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173 ret = falloc(sizeof(multisize) + size, manager);
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174 if(ret)
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175 {
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176 bp = registered_types[type];
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177 ret->base.bprint = bp;
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178 ret->size = size;
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179 rh_atomic_set(&(ret->base), refcount, 1);
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180 memset(((char *)ret) + sizeof(multisize), '\0', size);
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181 bp->init((object *)ret);
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182 }
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183 return ret;
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184 }
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185
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186 object * copy_object(object * tocopy)
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187 {
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188 object * copy;
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189 multisize * mcopy, *mtocopy;
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190 blueprint * bp;
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191 if(rh_atomic_get(tocopy, refcount) == 1)
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192 return tocopy;
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193 bp = get_blueprint(tocopy);
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194 if(bp->size < 0) {
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195 mtocopy = (multisize *)tocopy;
41
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diff changeset
196 mcopy = falloc(sizeof(multisize) + mtocopy->size, manager);
7
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197 mcopy->size = mtocopy->size;
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198 memcpy(((char *)mcopy)+sizeof(multisize), ((char *)mtocopy)+sizeof(multisize), mtocopy->size);
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199 copy = (object *)mcopy;
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200 } else {
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diff changeset
201 copy = alloc_object(bp);
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202 memcpy(((char *)copy) + sizeof(object), ((char *)tocopy)+sizeof(object), bp->size);
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203 }
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diff changeset
204 copy->bprint = bp;
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205 rh_atomic_set(copy, refcount, 1);
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206 bp->copy(copy);
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diff changeset
207 release_ref(tocopy);
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208 return copy;
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209 }
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diff changeset
210
40
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diff changeset
211 object * naked_to_boxed(uint32_t type, void * rawdata)
789a146a48e1 Started adding support for naked values in user defined objects
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212 {
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diff changeset
213 object * dest;
789a146a48e1 Started adding support for naked values in user defined objects
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diff changeset
214 blueprint * bp = get_blueprint_byid(type);
41
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diff changeset
215 if(!bp->boxed_size)
40
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diff changeset
216 return NULL; //We don't know how big a naked multi-size object is so we can't do anything with it
789a146a48e1 Started adding support for naked values in user defined objects
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diff changeset
217 dest = alloc_object(bp);
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218 memcpy(((char *)dest) + sizeof(object), rawdata, bp->size);
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diff changeset
219 dest->bprint = bp;
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diff changeset
220 rh_atomic_set(dest, refcount, 1);
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diff changeset
221 bp->copy(dest);
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diff changeset
222 return dest;
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diff changeset
223 }
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diff changeset
224
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diff changeset
225 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
226 {
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diff changeset
227 blueprint * bp = get_blueprint(src);
41
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diff changeset
228 if(!bp->boxed_size)
40
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diff changeset
229 return; //We don't know how big a naked multi-size object is so we can't do anything with it
789a146a48e1 Started adding support for naked values in user defined objects
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diff changeset
230 memcpy(dest, ((char *)src) + sizeof(object), bp->size);
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diff changeset
231 bp->copy(src);
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diff changeset
232 }
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diff changeset
233
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234 void release_ref(object * obj)
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diff changeset
235 {
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diff changeset
236 if(rh_atomic_sub_testzero(obj, refcount, 1))
41
1b86a1ee500a Added faster allocator for small objects
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diff changeset
237 get_blueprint(obj)->free(obj);
7
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238 }
d61550e2c001 Added current work on new runtime
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diff changeset
239
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diff changeset
240 void check_type_storage(type)
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parents:
diff changeset
241 {
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diff changeset
242 uint32_t type_storage_temp;
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
243 blueprint ** temp;
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parents:
diff changeset
244 if(type >= type_storage)
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parents:
diff changeset
245 if(type_storage)
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parents:
diff changeset
246 {
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diff changeset
247 type_storage_temp = (type + (type_storage >> 1));
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diff changeset
248 temp = realloc(registered_types, type_storage_temp * sizeof(blueprint *));
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diff changeset
249 if(temp)
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parents:
diff changeset
250 {
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diff changeset
251 registered_types = temp;
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diff changeset
252 memset(registered_types + type_storage, '\0', (type_storage_temp - type_storage) * sizeof(blueprint *));
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parents:
diff changeset
253 type_storage = type_storage_temp;
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
254 }
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parents:
diff changeset
255 else
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parents:
diff changeset
256 {
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diff changeset
257 free(registered_types);
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diff changeset
258 fprintf(stderr, "Couldn't allocate %d bytes for type storage array\n", type_storage_temp * sizeof(blueprint *));
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diff changeset
259 exit(-1);
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diff changeset
260 }
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diff changeset
261 } else {
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diff changeset
262
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diff changeset
263 if(type < INITIAL_TYPE_STORAGE)
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parents:
diff changeset
264 type_storage =INITIAL_TYPE_STORAGE;
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diff changeset
265 else
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diff changeset
266 type_storage = type + 8;
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diff changeset
267 registered_types = malloc(type_storage * sizeof(blueprint *));
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diff changeset
268 if(registered_types)
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diff changeset
269 memset(registered_types, '\0', type_storage * sizeof(blueprint *));
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parents:
diff changeset
270 else
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parents:
diff changeset
271 {
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diff changeset
272 fprintf(stderr, "Couldn't allocate %d bytes for type storage array\n", type_storage * sizeof(blueprint *));
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diff changeset
273 exit(-1);
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parents:
diff changeset
274 }
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parents:
diff changeset
275
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parents:
diff changeset
276 }
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parents:
diff changeset
277 }
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parents:
diff changeset
278
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diff changeset
279 void default_action(object * obj)
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parents:
diff changeset
280 {
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parents:
diff changeset
281 }
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parents:
diff changeset
282
41
1b86a1ee500a Added faster allocator for small objects
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diff changeset
283 void normal_free(object * obj)
1b86a1ee500a Added faster allocator for small objects
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parents: 40
diff changeset
284 {
1b86a1ee500a Added faster allocator for small objects
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diff changeset
285 blueprint * bp = get_blueprint(obj);
1b86a1ee500a Added faster allocator for small objects
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diff changeset
286 if(bp->cleanup)
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diff changeset
287 bp->cleanup(obj);
1b86a1ee500a Added faster allocator for small objects
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diff changeset
288 ffree(obj, bp->boxed_size, manager);
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diff changeset
289 }
1b86a1ee500a Added faster allocator for small objects
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diff changeset
290
1b86a1ee500a Added faster allocator for small objects
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parents: 40
diff changeset
291 void multi_free(object * obj)
1b86a1ee500a Added faster allocator for small objects
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
292 {
1b86a1ee500a Added faster allocator for small objects
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parents: 40
diff changeset
293 multisize * multi = (multisize *)obj;
1b86a1ee500a Added faster allocator for small objects
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parents: 40
diff changeset
294 blueprint * bp = get_blueprint(obj);
1b86a1ee500a Added faster allocator for small objects
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diff changeset
295 if(bp->cleanup)
1b86a1ee500a Added faster allocator for small objects
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diff changeset
296 bp->cleanup(obj);
49
3e20ed8959c4 Added initial FFI implementation, Array type and 64-bit integers
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parents: 41
diff changeset
297 ffree(multi, sizeof(multisize) + multi->size, manager);
41
1b86a1ee500a Added faster allocator for small objects
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diff changeset
298 }
1b86a1ee500a Added faster allocator for small objects
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parents: 40
diff changeset
299
49
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parents: 41
diff changeset
300 blueprint * new_blueprint(uint32_t type, int32_t size, special_func init, special_func copy, special_func cleanup)
7
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diff changeset
301 {
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parents:
diff changeset
302 blueprint * bp = malloc(sizeof(blueprint));
41
1b86a1ee500a Added faster allocator for small objects
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parents: 40
diff changeset
303 //dirty hack!, move elsewhere
1b86a1ee500a Added faster allocator for small objects
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parents: 40
diff changeset
304 if (!manager) {
1b86a1ee500a Added faster allocator for small objects
Mike Pavone <pavone@retrodev.com>
parents: 40
diff changeset
305 fixed_alloc_init();
1b86a1ee500a Added faster allocator for small objects
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parents: 40
diff changeset
306 manager = new_mem_manager();
1b86a1ee500a Added faster allocator for small objects
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parents: 40
diff changeset
307 }
7
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
308 if(bp)
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
309 {
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parents:
diff changeset
310 bp->size = size;
41
1b86a1ee500a Added faster allocator for small objects
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parents: 40
diff changeset
311 bp->boxed_size = size >= 0 ? size + sizeof(object) : 0;
7
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parents:
diff changeset
312 bp->method_lookup = bp->getter_lookup = bp->setter_lookup = bp->convert_to = bp->convert_from = NULL;
56
d2f9b0a9403d Initial experiment with goto and switch
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parents: 37
diff changeset
313 bp->type_id = type;
7
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
314 bp->init = init ? init : default_action;
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
315 bp->copy = copy ? copy : default_action;
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parents:
diff changeset
316 bp->cleanup = cleanup ? cleanup : default_action;
41
1b86a1ee500a Added faster allocator for small objects
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parents: 40
diff changeset
317 bp->free = size >= 0 ? normal_free : multi_free;
7
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parents:
diff changeset
318 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
319 //TODO: Handle names
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parents:
diff changeset
320 bp->name = NULL;
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parents:
diff changeset
321 }
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parents:
diff changeset
322 return bp;
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parents:
diff changeset
323 }
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parents:
diff changeset
324
49
3e20ed8959c4 Added initial FFI implementation, Array type and 64-bit integers
Mike Pavone <pavone@retrodev.com>
parents: 41
diff changeset
325 blueprint * register_type_byid(uint32_t type, int32_t size, special_func init, special_func copy, special_func cleanup)
7
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parents:
diff changeset
326 {
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parents:
diff changeset
327 check_type_storage(type);
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parents:
diff changeset
328 if(registered_types[type])
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parents:
diff changeset
329 return registered_types[type];
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parents:
diff changeset
330 registered_types[type] = new_blueprint(type, size, init, copy, cleanup);
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parents:
diff changeset
331 if(!registered_types[type])
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
332 {
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parents:
diff changeset
333 fputs("Couldn't allocate new object blueprint\n", stderr);
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parents:
diff changeset
334 exit(-1);
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
335 }
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parents:
diff changeset
336 if(type >= max_registered_type)
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parents:
diff changeset
337 max_registered_type = type + 1;
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parents:
diff changeset
338 return registered_types[type];
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parents:
diff changeset
339 }
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parents:
diff changeset
340
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parents:
diff changeset
341 void add_method(blueprint * bp, uint32_t methodid, rhope_func impl)
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parents:
diff changeset
342 {
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parents:
diff changeset
343 rhope_func * temp;
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parents:
diff changeset
344 if(methodid < 1) {
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parents:
diff changeset
345 fputs("Attempt to add a method with an ID < 1\n", stderr);
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parents:
diff changeset
346 exit(-1);
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parents:
diff changeset
347 }
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parents:
diff changeset
348 if (!bp->method_lookup)
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parents:
diff changeset
349 {
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diff changeset
350 bp->method_lookup = malloc(sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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parents:
diff changeset
351 if(!bp->method_lookup) {
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parents:
diff changeset
352 fprintf(stderr, "Couldn't allocate %d bytes for method lookup table\n", sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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parents:
diff changeset
353 exit(-1);
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
354 }
12
31f8182f3433 Finished fib test and did some small work on the c backend
Mike Pavone <pavone@retrodev.com>
parents: 7
diff changeset
355 if(BELOW_INITIAL_METHOD > methodid) {
7
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
356 bp->first_methodid = 1;
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parents:
diff changeset
357 bp->last_methodid = 1+INITIAL_METHOD_LOOKUP;
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parents:
diff changeset
358 } else {
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
359 bp->first_methodid = methodid - BELOW_INITIAL_METHOD;
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parents:
diff changeset
360 bp->last_methodid = bp->first_methodid + INITIAL_METHOD_LOOKUP;
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
361 }
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
362 memset(bp->method_lookup, '\0', sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
363 } else {
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
364 if (methodid < bp->first_methodid) {
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
365 temp = bp->method_lookup;
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
366 //Note: if this gets changed to generating an exception on failure, we need to restore the original buffer
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
367 bp->method_lookup = malloc(sizeof(rhope_func) * (bp->last_methodid-methodid));
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
368 if(!bp->method_lookup) {
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
369 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
370 exit(-1);
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
371 }
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
372 memset(bp->method_lookup, '\0', (bp->first_methodid-methodid) * sizeof(rhope_func));
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
373 memcpy(bp->method_lookup + bp->first_methodid-methodid, temp, (bp->last_methodid-bp->first_methodid)*sizeof(rhope_func));
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
374 free(temp);
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
375 bp->first_methodid = methodid;
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
376 } else if(methodid >= bp->last_methodid) {
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
377 //Note: if this gets changed to generating an exception on failure, we need to restore the original buffer
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
378 bp->method_lookup = realloc(bp->method_lookup, (methodid+1-bp->first_methodid) * sizeof(rhope_func));
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
379 if(!bp->method_lookup) {
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
380 fprintf(stderr, "Couldn't resize method lookup table to %d bytes\n", (methodid+1-bp->first_methodid) * sizeof(rhope_func));
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
381 exit(-1);
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
382 }
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
383 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
384 bp->last_methodid = methodid+1;
7
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
385 }
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
386 }
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
387 bp->method_lookup[methodid-bp->first_methodid] = impl;
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
388 }
30
914ad38f9b59 Compiler now works for some simple programs
Mike Pavone <pavone@retrodev.com>
parents: 12
diff changeset
389
34
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
390 void add_getter(blueprint * bp, uint32_t getfieldid, rhope_func impl)
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
391 {
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
392 rhope_func * temp;
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
393 if(getfieldid < 1) {
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
394 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
395 exit(-1);
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
396 }
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
397 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
398 {
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
399 bp->getter_lookup = malloc(sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
400 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
401 fprintf(stderr, "Couldn't allocate %d bytes for getter lookup table\n", sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
402 exit(-1);
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
403 }
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
404 if(BELOW_INITIAL_METHOD > getfieldid) {
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
405 bp->first_getfieldid = 1;
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
406 bp->last_getfieldid = 1+INITIAL_METHOD_LOOKUP;
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
407 } else {
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
408 bp->first_getfieldid = getfieldid - BELOW_INITIAL_METHOD;
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
409 bp->last_getfieldid = bp->first_getfieldid + INITIAL_METHOD_LOOKUP;
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
410 }
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
411 memset(bp->getter_lookup, '\0', sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
412 } else {
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
413 if (getfieldid < bp->first_getfieldid) {
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
414 temp = bp->getter_lookup;
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
415 //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
416 bp->getter_lookup = malloc(sizeof(rhope_func) * (bp->last_getfieldid-getfieldid));
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
417 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
418 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
419 exit(-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
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
421 memset(bp->getter_lookup, '\0', (bp->first_getfieldid-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
422 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
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
423 free(temp);
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
424 bp->first_getfieldid = getfieldid;
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
425 } else if(getfieldid >= bp->last_getfieldid) {
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
426 //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
427 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
428 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
429 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
Mike Pavone <pavone@retrodev.com>
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
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
432 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
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
433 bp->last_getfieldid = getfieldid+1;
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
434 }
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
435 }
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
436 bp->getter_lookup[getfieldid-bp->first_getfieldid] = impl;
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
437 }
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
438
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
439 void add_setter(blueprint * bp, uint32_t setfieldid, rhope_func impl)
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
440 {
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
441 rhope_func * temp;
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
442 if(setfieldid < 1) {
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
443 fputs("Attempt to add a method with an ID < 1\n", stderr);
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
444 exit(-1);
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445 }
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446 if (!bp->setter_lookup)
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447 {
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448 bp->setter_lookup = malloc(sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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449 if(!bp->setter_lookup) {
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450 fprintf(stderr, "Couldn't allocate %d bytes for setter lookup table\n", sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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451 exit(-1);
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452 }
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453 if(BELOW_INITIAL_METHOD > setfieldid) {
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454 bp->first_setfieldid = 1;
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455 bp->last_setfieldid = 1+INITIAL_METHOD_LOOKUP;
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456 } else {
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457 bp->first_setfieldid = setfieldid - BELOW_INITIAL_METHOD;
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458 bp->last_setfieldid = bp->first_setfieldid + INITIAL_METHOD_LOOKUP;
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459 }
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460 memset(bp->setter_lookup, '\0', sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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461 } else {
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462 if (setfieldid < bp->first_setfieldid) {
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463 temp = bp->setter_lookup;
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464 //Note: if this sets changed to generating an exception on failure, we need to restore the original buffer
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465 bp->setter_lookup = malloc(sizeof(rhope_func) * (bp->last_setfieldid-setfieldid));
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466 if(!bp->setter_lookup) {
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467 fprintf(stderr, "Couldn't allocate %d bytes for setter lookup table\n", sizeof(rhope_func) * (bp->last_setfieldid-setfieldid));
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468 exit(-1);
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469 }
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470 memset(bp->setter_lookup, '\0', (bp->first_setfieldid-setfieldid) * sizeof(rhope_func));
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471 memcpy(bp->setter_lookup + bp->first_setfieldid-setfieldid, temp, (bp->last_setfieldid-bp->first_setfieldid)*sizeof(rhope_func));
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diff changeset
472 free(temp);
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473 bp->first_setfieldid = setfieldid;
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diff changeset
474 } else if(setfieldid >= bp->last_setfieldid) {
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475 //Note: if this sets changed to generating an exception on failure, we need to restore the original buffer
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476 bp->setter_lookup = realloc(bp->setter_lookup, (setfieldid+1-bp->first_setfieldid) * sizeof(rhope_func));
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diff changeset
477 if(!bp->setter_lookup) {
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diff changeset
478 fprintf(stderr, "Couldn't resize setter lookup table to %d bytes\n", (setfieldid+1-bp->first_setfieldid) * sizeof(rhope_func));
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479 exit(-1);
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480 }
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481 memset(bp->setter_lookup+bp->last_setfieldid, '\0', (setfieldid+1)-bp->last_setfieldid);
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482 bp->last_setfieldid = setfieldid+1;
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diff changeset
483 }
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diff changeset
484 }
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diff changeset
485 bp->setter_lookup[setfieldid-bp->first_setfieldid] = impl;
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diff changeset
486 }
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diff changeset
487
30
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diff changeset
488 blueprint * get_blueprint_byid(uint32_t type)
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diff changeset
489 {
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diff changeset
490 if(type >= max_registered_type)
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diff changeset
491 return NULL;
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diff changeset
492 return registered_types[type];
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diff changeset
493 }
914ad38f9b59 Compiler now works for some simple programs
Mike Pavone <pavone@retrodev.com>
parents: 12
diff changeset
494