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annotate runtime/object.c @ 56:d2f9b0a9403d

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Initial experiment with goto and switch
author Mike Pavone <pavone@retrodev.com>
date Thu, 08 Oct 2009 01:52:38 -0400
parents 640f541e9116
children b218af069da7
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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 /*
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12 returntype call_method(uint32_t methodid, calldata * params)
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13 {
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14 int i;
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15 blueprint * bp = get_blueprint(params->params[0]);
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16 if(methodid >= bp->first_methodid && methodid < bp->last_methodid && bp->method_lookup[methodid - bp->first_methodid])
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17 {
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18 params->tail_func = bp->method_lookup[methodid - bp->first_methodid];
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19 return TAIL_RETURN;
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20 } else {
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21 if(METHOD_MISSING >= bp->first_methodid && METHOD_MISSING < bp->last_methodid && bp->method_lookup[METHOD_MISSING - bp->first_methodid])
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22 {
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23 params->tail_func = bp->method_lookup[METHOD_MISSING - bp->first_methodid];
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24 return TAIL_RETURN;
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25 } else {
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26 //TODO: Add useful info to exception
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27 for(i = 0; i < params->num_params; ++i)
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28 release_ref(params->params[i]);
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29 params->params[0] = new_object(TYPE_METHODMISSINGEXCEPTION);
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30 return EXCEPTION_RETURN;
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31 }
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32 }
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33 }
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34
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35 returntype set_field(uint32_t setfieldid, calldata * params)
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36 {
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37 int i;
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38 blueprint * bp = get_blueprint(params->params[0]);
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39 if(setfieldid >= bp->first_setfieldid && setfieldid < bp->last_setfieldid && bp->setter_lookup[setfieldid - bp->first_setfieldid])
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40 {
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41 params->tail_func = bp->setter_lookup[setfieldid - bp->first_setfieldid];
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42 return TAIL_RETURN;
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43 } else {
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44 if(METHOD_SETFIELDMISSING >= bp->first_setfieldid && METHOD_SETFIELDMISSING < bp->last_setfieldid && bp->method_lookup[METHOD_SETFIELDMISSING - bp->first_methodid])
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45 {
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46 params->tail_func = bp->method_lookup[METHOD_SETFIELDMISSING - bp->first_methodid];
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47 params->original_methodid = setfieldid;
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48 return TAIL_RETURN;
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49 } else {
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50 //TODO: Add useful info to exception
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51 for(i = 0; i < params->num_params; ++i)
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52 release_ref(params->params[i]);
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53 params->params[0] = new_object(TYPE_FIELDMISSINGEXCEPTION);
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54 return EXCEPTION_RETURN;
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55 }
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56 }
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57 }
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59
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60 returntype get_field(uint32_t getfieldid, calldata * params)
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61 {
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62 int i;
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63 blueprint * bp = get_blueprint(params->params[0]);
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64 if(getfieldid >= bp->first_getfieldid && getfieldid < bp->last_getfieldid && bp->getter_lookup[getfieldid - bp->first_getfieldid])
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65 {
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66 params->tail_func = bp->getter_lookup[getfieldid - bp->first_getfieldid];
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67 return TAIL_RETURN;
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68 } else {
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69 if(METHOD_GETFIELDMISSING >= bp->first_getfieldid && METHOD_GETFIELDMISSING < bp->last_getfieldid && bp->method_lookup[METHOD_GETFIELDMISSING - bp->first_methodid])
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70 {
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71 params->tail_func = bp->method_lookup[METHOD_GETFIELDMISSING - bp->first_methodid];
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72 params->original_methodid = getfieldid;
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73 return TAIL_RETURN;
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74 } else {
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75 //TODO: Add useful info to exception
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76 for(i = 0; i < params->num_params; ++i)
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77 release_ref(params->params[i]);
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78 params->params[0] = new_object(TYPE_FIELDMISSINGEXCEPTION);
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79 return EXCEPTION_RETURN;
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80 }
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81 }
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82 }
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83
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84 returntype convert_to(uint32_t convertto, calldata * params)
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85 {
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86 int i;
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87 blueprint * bp = get_blueprint(params->params[0]);
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88 if(convertto >= bp->first_convertto && convertto < bp->last_convertto && bp->convert_to[convertto])
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89 {
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90 params->tail_func = bp->convert_to[convertto - bp->first_convertto];
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91 return TAIL_RETURN;
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92 } else {
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93 return NO_CONVERSION;
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94 }
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95 }
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96
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97 returntype convert_from(uint32_t convertfrom, calldata * params)
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98 {
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99 int i;
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100 blueprint * bp = registered_types[convertfrom];
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101 if(convertfrom >= bp->first_convertfrom && convertfrom < bp->last_convertfrom && bp->convert_from[convertfrom])
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102 {
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103 params->tail_func = bp->convert_from[convertfrom - bp->first_convertfrom];
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104 return TAIL_RETURN;
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105 } else {
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106 return NO_CONVERSION;
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107 }
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108 }
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109
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110 returntype coerce_value(uint32_t type, calldata * params)
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111 {
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112 int i;
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113 blueprint * bp = get_blueprint(params->params[0]);
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114 if(bp == registered_types[type])
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115 return NORMAL_RETURN;
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116 if(convert_to(type, params) == TAIL_RETURN)
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117 return TAIL_RETURN;
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118 if(convert_from(type, params) == TAIL_RETURN)
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119 return TAIL_RETURN;
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120 //TODO: Add useful info to exception
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121 for(i = 0; i < params->num_params; ++i)
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122 release_ref(params->params[i]);
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123 params->params[0] = new_object(TYPE_WRONGTYPEEXCEPTION);
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124 return EXCEPTION_RETURN;
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125 }*/
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126
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127 object * alloc_object(blueprint * bp)
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128 {
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129 //TODO: Replace with something more performant
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130 return malloc(bp->boxed_size);
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131 }
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132
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133 void * alloc_variable(uint32_t size)
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134 {
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135 return malloc(size);
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136 }
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137
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138 void dealloc_object(blueprint * bp, object * obj)
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139 {
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140 //TODO: Replace with something more performant
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141 free(obj);
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142 }
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143
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144 object * new_object(uint32_t type)
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145 {
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146 blueprint * bp;
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147 object * ret;
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148 if(type >= max_registered_type || !registered_types[type])
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149 return NULL;
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150 bp = registered_types[type];
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151 return new_object_bp(bp);
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152 }
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153
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parents: 34
diff changeset
154 object * new_object_bp(blueprint * bp)
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parents: 34
diff changeset
155 {
495dddadd058 User defined types work in the compiler now
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parents: 34
diff changeset
156 object * ret;
7
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parents:
diff changeset
157 ret = alloc_object(bp);
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parents:
diff changeset
158 if(ret)
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parents:
diff changeset
159 {
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diff changeset
160 ret->bprint = bp;
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parents:
diff changeset
161 rh_atomic_set(ret, refcount, 1);
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parents:
diff changeset
162 memset(((char *)ret) + sizeof(object), '\0', bp->size);
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parents:
diff changeset
163 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
Mike Pavone <pavone@retrodev.com>
parents: 36
diff changeset
164 } else {
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
Mike Pavone <pavone@retrodev.com>
parents: 36
diff changeset
165 fprintf(stderr, "Could not allocate new object with size %d\n", bp->boxed_size);
7
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166 }
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parents:
diff changeset
167 return ret;
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parents:
diff changeset
168 }
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parents:
diff changeset
169
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parents:
diff changeset
170 multisize * new_multisize(uint32_t type, uint32_t size)
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parents:
diff changeset
171 {
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diff changeset
172 blueprint *bp;
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parents:
diff changeset
173 multisize * ret;
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parents:
diff changeset
174 if(type >= max_registered_type || !registered_types[type])
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parents:
diff changeset
175 return NULL;
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parents:
diff changeset
176 ret = alloc_variable(sizeof(multisize) + type);
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parents:
diff changeset
177 if(ret)
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parents:
diff changeset
178 {
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diff changeset
179 bp = registered_types[type];
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diff changeset
180 ret->base.bprint = bp;
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diff changeset
181 ret->size = size;
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182 rh_atomic_set(&(ret->base), refcount, 1);
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183 memset(((char *)ret) + sizeof(multisize), '\0', size);
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184 bp->init((object *)ret);
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185 }
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186 return ret;
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parents:
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187 }
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188
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189 object * copy_object(object * tocopy)
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parents:
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190 {
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191 object * copy;
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192 multisize * mcopy, *mtocopy;
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193 blueprint * bp;
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194 if(rh_atomic_get(tocopy, refcount) == 1)
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195 return tocopy;
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196 bp = get_blueprint(tocopy);
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197 if(bp->size < 0) {
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198 mtocopy = (multisize *)tocopy;
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199 mcopy = alloc_variable(sizeof(multisize) + mtocopy->size);
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diff changeset
200 mcopy->size = mtocopy->size;
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diff changeset
201 memcpy(((char *)mcopy)+sizeof(multisize), ((char *)mtocopy)+sizeof(multisize), mtocopy->size);
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parents:
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202 copy = (object *)mcopy;
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parents:
diff changeset
203 } else {
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parents:
diff changeset
204 copy = alloc_object(bp);
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diff changeset
205 memcpy(((char *)copy) + sizeof(object), ((char *)tocopy)+sizeof(object), bp->size);
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parents:
diff changeset
206 }
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diff changeset
207 copy->bprint = bp;
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diff changeset
208 rh_atomic_set(copy, refcount, 1);
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parents:
diff changeset
209 bp->copy(copy);
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diff changeset
210 release_ref(tocopy);
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diff changeset
211 return copy;
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parents:
diff changeset
212 }
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parents:
diff changeset
213
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parents:
diff changeset
214 void free_object(object * obj)
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parents:
diff changeset
215 {
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parents:
diff changeset
216 blueprint * bp = get_blueprint(obj);
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parents:
diff changeset
217 if(bp->cleanup)
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parents:
diff changeset
218 bp->cleanup(obj);
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parents:
diff changeset
219 dealloc_object(bp, obj);
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parents:
diff changeset
220 }
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parents:
diff changeset
221
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parents:
diff changeset
222 void release_ref(object * obj)
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parents:
diff changeset
223 {
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parents:
diff changeset
224 if(rh_atomic_sub_testzero(obj, refcount, 1))
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parents:
diff changeset
225 free_object(obj);
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parents:
diff changeset
226 }
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parents:
diff changeset
227
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parents:
diff changeset
228 void check_type_storage(type)
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parents:
diff changeset
229 {
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parents:
diff changeset
230 uint32_t type_storage_temp;
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parents:
diff changeset
231 blueprint ** temp;
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parents:
diff changeset
232 if(type >= type_storage)
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parents:
diff changeset
233 if(type_storage)
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parents:
diff changeset
234 {
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parents:
diff changeset
235 type_storage_temp = (type + (type_storage >> 1));
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parents:
diff changeset
236 temp = realloc(registered_types, type_storage_temp * sizeof(blueprint *));
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
237 if(temp)
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
238 {
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parents:
diff changeset
239 registered_types = temp;
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parents:
diff changeset
240 memset(registered_types + type_storage, '\0', (type_storage_temp - type_storage) * sizeof(blueprint *));
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parents:
diff changeset
241 type_storage = type_storage_temp;
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parents:
diff changeset
242 }
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parents:
diff changeset
243 else
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parents:
diff changeset
244 {
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parents:
diff changeset
245 free(registered_types);
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parents:
diff changeset
246 fprintf(stderr, "Couldn't allocate %d bytes for type storage array\n", type_storage_temp * sizeof(blueprint *));
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parents:
diff changeset
247 exit(-1);
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parents:
diff changeset
248 }
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parents:
diff changeset
249 } else {
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parents:
diff changeset
250
d61550e2c001 Added current work on new runtime
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
251 if(type < INITIAL_TYPE_STORAGE)
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parents:
diff changeset
252 type_storage =INITIAL_TYPE_STORAGE;
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parents:
diff changeset
253 else
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parents:
diff changeset
254 type_storage = type + 8;
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
255 registered_types = malloc(type_storage * sizeof(blueprint *));
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parents:
diff changeset
256 if(registered_types)
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
257 memset(registered_types, '\0', type_storage * sizeof(blueprint *));
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
258 else
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
259 {
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
260 fprintf(stderr, "Couldn't allocate %d bytes for type storage array\n", type_storage * sizeof(blueprint *));
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
261 exit(-1);
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
262 }
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
263
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
264 }
d61550e2c001 Added current work on new runtime
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
265 }
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
266
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
267 void default_action(object * obj)
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parents:
diff changeset
268 {
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
269 }
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
270
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
271 blueprint * new_blueprint(uint32_t type, uint32_t size, special_func init, special_func copy, special_func cleanup)
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
272 {
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
273 blueprint * bp = malloc(sizeof(blueprint));
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
274 if(bp)
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
275 {
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parents:
diff changeset
276 bp->size = size;
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parents:
diff changeset
277 bp->boxed_size = size >= 0 ? size + sizeof(object) : size;
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
278 bp->method_lookup = bp->getter_lookup = bp->setter_lookup = bp->convert_to = bp->convert_from = NULL;
56
d2f9b0a9403d Initial experiment with goto and switch
Mike Pavone <pavone@retrodev.com>
parents: 37
diff changeset
279 bp->type_id = type;
7
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
280 bp->init = init ? init : default_action;
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
281 bp->copy = copy ? copy : default_action;
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
282 bp->cleanup = cleanup ? cleanup : default_action;
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
283 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;
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
284 //TODO: Handle names
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parents:
diff changeset
285 bp->name = NULL;
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parents:
diff changeset
286 }
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parents:
diff changeset
287 return bp;
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parents:
diff changeset
288 }
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
289
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parents:
diff changeset
290 blueprint * register_type_byid(uint32_t type, uint32_t size, special_func init, special_func copy, special_func cleanup)
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
291 {
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
292 check_type_storage(type);
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parents:
diff changeset
293 if(registered_types[type])
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
294 return registered_types[type];
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
295 registered_types[type] = new_blueprint(type, size, init, copy, cleanup);
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
296 if(!registered_types[type])
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
297 {
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
298 fputs("Couldn't allocate new object blueprint\n", stderr);
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
299 exit(-1);
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
300 }
d61550e2c001 Added current work on new runtime
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
301 if(type >= max_registered_type)
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
302 max_registered_type = type + 1;
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
303 return registered_types[type];
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
304 }
d61550e2c001 Added current work on new runtime
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
305
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
306 void add_method(blueprint * bp, uint32_t methodid, rhope_func impl)
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
307 {
d61550e2c001 Added current work on new runtime
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
308 rhope_func * temp;
d61550e2c001 Added current work on new runtime
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
309 if(methodid < 1) {
d61550e2c001 Added current work on new runtime
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parents:
diff changeset
310 fputs("Attempt to add a method with an ID < 1\n", stderr);
d61550e2c001 Added current work on new runtime
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
311 exit(-1);
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diff changeset
312 }
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313 if (!bp->method_lookup)
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314 {
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315 bp->method_lookup = malloc(sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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316 if(!bp->method_lookup) {
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317 fprintf(stderr, "Couldn't allocate %d bytes for method lookup table\n", sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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318 exit(-1);
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319 }
12
31f8182f3433 Finished fib test and did some small work on the c backend
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diff changeset
320 if(BELOW_INITIAL_METHOD > methodid) {
7
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321 bp->first_methodid = 1;
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322 bp->last_methodid = 1+INITIAL_METHOD_LOOKUP;
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323 } else {
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324 bp->first_methodid = methodid - BELOW_INITIAL_METHOD;
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325 bp->last_methodid = bp->first_methodid + INITIAL_METHOD_LOOKUP;
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326 }
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327 memset(bp->method_lookup, '\0', sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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328 } else {
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329 if (methodid < bp->first_methodid) {
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330 temp = bp->method_lookup;
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331 //Note: if this gets changed to generating an exception on failure, we need to restore the original buffer
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332 bp->method_lookup = malloc(sizeof(rhope_func) * (bp->last_methodid-methodid));
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333 if(!bp->method_lookup) {
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334 fprintf(stderr, "Couldn't allocate %d bytes for method lookup table\n", sizeof(rhope_func) * (bp->last_methodid-methodid));
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335 exit(-1);
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336 }
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337 memset(bp->method_lookup, '\0', (bp->first_methodid-methodid) * sizeof(rhope_func));
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338 memcpy(bp->method_lookup + bp->first_methodid-methodid, temp, (bp->last_methodid-bp->first_methodid)*sizeof(rhope_func));
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339 free(temp);
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340 bp->first_methodid = methodid;
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341 } else if(methodid >= bp->last_methodid) {
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342 //Note: if this gets changed to generating an exception on failure, we need to restore the original buffer
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343 bp->method_lookup = realloc(bp->method_lookup, (methodid+1-bp->first_methodid) * sizeof(rhope_func));
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344 if(!bp->method_lookup) {
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345 fprintf(stderr, "Couldn't resize method lookup table to %d bytes\n", (methodid+1-bp->first_methodid) * sizeof(rhope_func));
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346 exit(-1);
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347 }
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348 memset(bp->method_lookup+bp->last_methodid, '\0', (methodid+1)-bp->last_methodid);
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31f8182f3433 Finished fib test and did some small work on the c backend
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diff changeset
349 bp->last_methodid = methodid+1;
7
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350 }
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351 }
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352 bp->method_lookup[methodid-bp->first_methodid] = impl;
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353 }
30
914ad38f9b59 Compiler now works for some simple programs
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diff changeset
354
34
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diff changeset
355 void add_getter(blueprint * bp, uint32_t getfieldid, rhope_func impl)
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diff changeset
356 {
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diff changeset
357 rhope_func * temp;
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358 if(getfieldid < 1) {
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359 fputs("Attempt to add a method with an ID < 1\n", stderr);
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diff changeset
360 exit(-1);
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diff changeset
361 }
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diff changeset
362 if (!bp->getter_lookup)
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diff changeset
363 {
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diff changeset
364 bp->getter_lookup = malloc(sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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diff changeset
365 if(!bp->getter_lookup) {
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diff changeset
366 fprintf(stderr, "Couldn't allocate %d bytes for getter lookup table\n", sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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diff changeset
367 exit(-1);
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diff changeset
368 }
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diff changeset
369 if(BELOW_INITIAL_METHOD > getfieldid) {
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diff changeset
370 bp->first_getfieldid = 1;
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diff changeset
371 bp->last_getfieldid = 1+INITIAL_METHOD_LOOKUP;
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diff changeset
372 } else {
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diff changeset
373 bp->first_getfieldid = getfieldid - BELOW_INITIAL_METHOD;
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diff changeset
374 bp->last_getfieldid = bp->first_getfieldid + INITIAL_METHOD_LOOKUP;
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diff changeset
375 }
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diff changeset
376 memset(bp->getter_lookup, '\0', sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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diff changeset
377 } else {
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diff changeset
378 if (getfieldid < bp->first_getfieldid) {
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diff changeset
379 temp = bp->getter_lookup;
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diff changeset
380 //Note: if this gets changed to generating an exception on failure, we need to restore the original buffer
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diff changeset
381 bp->getter_lookup = malloc(sizeof(rhope_func) * (bp->last_getfieldid-getfieldid));
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diff changeset
382 if(!bp->getter_lookup) {
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diff changeset
383 fprintf(stderr, "Couldn't allocate %d bytes for getter lookup table\n", sizeof(rhope_func) * (bp->last_getfieldid-getfieldid));
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384 exit(-1);
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diff changeset
385 }
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diff changeset
386 memset(bp->getter_lookup, '\0', (bp->first_getfieldid-getfieldid) * sizeof(rhope_func));
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diff changeset
387 memcpy(bp->getter_lookup + bp->first_getfieldid-getfieldid, temp, (bp->last_getfieldid-bp->first_getfieldid)*sizeof(rhope_func));
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diff changeset
388 free(temp);
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diff changeset
389 bp->first_getfieldid = getfieldid;
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diff changeset
390 } else if(getfieldid >= bp->last_getfieldid) {
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diff changeset
391 //Note: if this gets changed to generating an exception on failure, we need to restore the original buffer
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diff changeset
392 bp->getter_lookup = realloc(bp->getter_lookup, (getfieldid+1-bp->first_getfieldid) * sizeof(rhope_func));
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diff changeset
393 if(!bp->getter_lookup) {
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diff changeset
394 fprintf(stderr, "Couldn't resize getter lookup table to %d bytes\n", (getfieldid+1-bp->first_getfieldid) * sizeof(rhope_func));
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diff changeset
395 exit(-1);
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diff changeset
396 }
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diff changeset
397 memset(bp->getter_lookup+bp->last_getfieldid, '\0', (getfieldid+1)-bp->last_getfieldid);
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diff changeset
398 bp->last_getfieldid = getfieldid+1;
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diff changeset
399 }
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diff changeset
400 }
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diff changeset
401 bp->getter_lookup[getfieldid-bp->first_getfieldid] = impl;
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diff changeset
402 }
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diff changeset
403
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diff changeset
404 void add_setter(blueprint * bp, uint32_t setfieldid, rhope_func impl)
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parents: 30
diff changeset
405 {
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diff changeset
406 rhope_func * temp;
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diff changeset
407 if(setfieldid < 1) {
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diff changeset
408 fputs("Attempt to add a method with an ID < 1\n", stderr);
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diff changeset
409 exit(-1);
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diff changeset
410 }
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parents: 30
diff changeset
411 if (!bp->setter_lookup)
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diff changeset
412 {
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diff changeset
413 bp->setter_lookup = malloc(sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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diff changeset
414 if(!bp->setter_lookup) {
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diff changeset
415 fprintf(stderr, "Couldn't allocate %d bytes for setter lookup table\n", sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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diff changeset
416 exit(-1);
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diff changeset
417 }
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diff changeset
418 if(BELOW_INITIAL_METHOD > setfieldid) {
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diff changeset
419 bp->first_setfieldid = 1;
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diff changeset
420 bp->last_setfieldid = 1+INITIAL_METHOD_LOOKUP;
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parents: 30
diff changeset
421 } else {
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diff changeset
422 bp->first_setfieldid = setfieldid - BELOW_INITIAL_METHOD;
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diff changeset
423 bp->last_setfieldid = bp->first_setfieldid + INITIAL_METHOD_LOOKUP;
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parents: 30
diff changeset
424 }
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diff changeset
425 memset(bp->setter_lookup, '\0', sizeof(rhope_func) * INITIAL_METHOD_LOOKUP);
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parents: 30
diff changeset
426 } else {
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diff changeset
427 if (setfieldid < bp->first_setfieldid) {
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diff changeset
428 temp = bp->setter_lookup;
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diff changeset
429 //Note: if this sets changed to generating an exception on failure, we need to restore the original buffer
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diff changeset
430 bp->setter_lookup = malloc(sizeof(rhope_func) * (bp->last_setfieldid-setfieldid));
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diff changeset
431 if(!bp->setter_lookup) {
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diff changeset
432 fprintf(stderr, "Couldn't allocate %d bytes for setter lookup table\n", sizeof(rhope_func) * (bp->last_setfieldid-setfieldid));
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diff changeset
433 exit(-1);
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parents: 30
diff changeset
434 }
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diff changeset
435 memset(bp->setter_lookup, '\0', (bp->first_setfieldid-setfieldid) * sizeof(rhope_func));
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parents: 30
diff changeset
436 memcpy(bp->setter_lookup + bp->first_setfieldid-setfieldid, temp, (bp->last_setfieldid-bp->first_setfieldid)*sizeof(rhope_func));
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parents: 30
diff changeset
437 free(temp);
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diff changeset
438 bp->first_setfieldid = setfieldid;
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diff changeset
439 } else if(setfieldid >= bp->last_setfieldid) {
df038cef648b More work on supporting user defined types in the C backend
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parents: 30
diff changeset
440 //Note: if this sets changed to generating an exception on failure, we need to restore the original buffer
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parents: 30
diff changeset
441 bp->setter_lookup = realloc(bp->setter_lookup, (setfieldid+1-bp->first_setfieldid) * sizeof(rhope_func));
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diff changeset
442 if(!bp->setter_lookup) {
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parents: 30
diff changeset
443 fprintf(stderr, "Couldn't resize setter lookup table to %d bytes\n", (setfieldid+1-bp->first_setfieldid) * sizeof(rhope_func));
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
444 exit(-1);
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
445 }
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
446 memset(bp->setter_lookup+bp->last_setfieldid, '\0', (setfieldid+1)-bp->last_setfieldid);
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
447 bp->last_setfieldid = setfieldid+1;
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
448 }
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
449 }
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
450 bp->setter_lookup[setfieldid-bp->first_setfieldid] = impl;
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
451 }
df038cef648b More work on supporting user defined types in the C backend
Mike Pavone <pavone@retrodev.com>
parents: 30
diff changeset
452
30
914ad38f9b59 Compiler now works for some simple programs
Mike Pavone <pavone@retrodev.com>
parents: 12
diff changeset
453 blueprint * get_blueprint_byid(uint32_t type)
914ad38f9b59 Compiler now works for some simple programs
Mike Pavone <pavone@retrodev.com>
parents: 12
diff changeset
454 {
914ad38f9b59 Compiler now works for some simple programs
Mike Pavone <pavone@retrodev.com>
parents: 12
diff changeset
455 if(type >= max_registered_type)
914ad38f9b59 Compiler now works for some simple programs
Mike Pavone <pavone@retrodev.com>
parents: 12
diff changeset
456 return NULL;
914ad38f9b59 Compiler now works for some simple programs
Mike Pavone <pavone@retrodev.com>
parents: 12
diff changeset
457 return registered_types[type];
914ad38f9b59 Compiler now works for some simple programs
Mike Pavone <pavone@retrodev.com>
parents: 12
diff changeset
458 }
914ad38f9b59 Compiler now works for some simple programs
Mike Pavone <pavone@retrodev.com>
parents: 12
diff changeset
459