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1
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1 /* Micro-C tree print routine */
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2 /* $Id$ */
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3
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327
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4 #include <stdio.h>
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0
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5 #include "mc.h"
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327
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6 #include "mc-parse.h"
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0
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7
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8 typedef
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9 struct tree_node {
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10 int tree_type;
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11 char *tree_name;
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12 char *tree_args;
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13 } tree_node_type;
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14
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67
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15 extern void tree_print(int e);
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16 extern void tree_parse(int e);
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17 extern void tree_print_t(int e,int t);
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18 static tree_node_type * find_node(int e);
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19 extern void type_print(int type,NMTBL *n,FILE *out);
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74
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20 extern void type_print1(int type,NMTBL *n,FILE *out,int cont);
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68
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21 extern void sym_print(int type,FILE *out);
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67
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22
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23 /* ascendant order for binary search */
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24
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18
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25 static
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0
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26 tree_node_type tree_nodes[] = {
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562
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27 {DOTS,"...",""},
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28 {LMACRO,"lmacro",""},
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29 {FMACRO,"fmacro",""},
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30 {KONST,"const",""},
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31 {DEFINED,"defined",""},
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32 {ENVIRONMENT,"environment",""},
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33 {CODE,"code",""},
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34 {REGISTER,"register",""},
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35 {VOID,"void",""},
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36 {EXTRN,"extern",""},
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37 {SHORT,"short",""},
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38 {LONG,"long",""},
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39 {TYPE,"type",""},
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40 {SIZEOF,"sizeof",""},
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41 {TYPEDEF,"typedef",""},
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42 {FLABEL,"flabel",""},
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43 {BLABEL,"blabel",""},
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44 {MACRO,"macro",""},
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45 {STRING,"string",""},
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46 {IDENT,"ident",""},
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47 {FIELD,"field",""},
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48 {TAG,"tag",""},
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49 {RESERVE,"reserve",""},
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50 {DEFAULT,"default",""},
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51 {CASE,"case",""},
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52 {SWITCH,"switch",""},
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53 {WHILE,"while",""},
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54 {DO,"do",""},
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55 {FOR,"for",""},
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56 {ELSE,"else",""},
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57 {IF,"if",""},
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58 {CONTINUE,"continue",""},
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59 {BREAK,"break",""},
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60 {RETURN,"return",""},
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61 {GOTO,"goto",""},
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62 {STATIC,"static",""},
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63 {EMPTY,"empty",""},
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64 {FUNCTION,"function","t"},
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65 {UNION,"union",""},
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66 {STRUCT,"struct","vt"},
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67 {ARRAY,"array","tv"},
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68 {POINTER,"pointer","t"},
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69 {UNSIGNED,"unsigned",""},
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70 {CHAR,"char",""},
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71 {INT,"int",""},
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37
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72
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562
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73 {GVAR,"gvar","vs"},
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74 {RGVAR,"rgvar","vs"},
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75 {CRGVAR,"crgvar","vs"},
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76 {LVAR,"lvar","v"},
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77 {RLVAR,"rlvar","v"},
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78 {CRLVAR,"crlvar","v"},
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79 {CONST,"const","v"},
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80 {FNAME,"fname","n"},
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81 {MUL,"*","e"},
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82 {RINDIRECT,"rindirect","e"},
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83 {CRINDIRECT,"crindirect","e"},
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84 {BAND,"&","e"},
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85 {MINUS,"-","e"},
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86 {LNOT,"!","e"},
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87 {BNOT,"~","e"},
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88 {INC,"++",""},
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89 {POSTINC,"postinc","e"},
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90 {PREINC,"preinc","e"},
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91 {CPOSTINC,"cpostinc","e"},
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92 {CPREINC,"cpreinc","e"},
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93 {DEC,"--",""},
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94 {DIV,"/","ee"},
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95 {UDIV,"/","ee"},
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96 {MUL,"*","ee"},
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97 {UMUL,"*","ee"},
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98 {MOD,"%","ee"},
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99 {UMOD,"%","ee"},
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100 {ADD,"+","ee"},
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101 {SUB,"-","ee"},
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102 {RSHIFT,">>","ee"},
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103 {URSHIFT,">>","ee"},
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104 {LSHIFT,"<<","ee"},
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105 {ULSHIFT,"<<","ee"},
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106 {GT,">","ee"},
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107 {UGT,">","ee"},
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108 {GE,">=","ee"},
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109 {UGE,">=","ee"},
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110 {LT,"<","ee"},
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111 {ULT,"<","ee"},
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112 {LE,"<=","ee"},
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113 {ULE,"<=","ee"},
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114 {EQ,"==","ee"},
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115 {NEQ,"!=","ee"},
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116 {BAND,"&","ee"},
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117 {EOR,"^","ee"},
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118 {BOR,"|","ee"},
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119 {LAND,"&&","ee"},
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120 {LOR,"||","ee"},
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121 {COND,"cond","eee"},
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122 {ASSOP,"assop","eev"},
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123 {CASSOP,"cassop","eev"},
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124 {COMMA,",","ee"},
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125 {LPAR,"(",""},
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126 {RPAR,")",""},
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127 {LBRA,"[",""},
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128 {RBRA,"]",""},
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129 {LC,"{",""},
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130 {RC,"}",""},
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131 {COLON,":","ee"},
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132 {SM,";",""},
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133 {PERIOD,".",""},
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134 {ARROW,"->",""},
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135 {SASS,"sass",""},
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136 {RSTRUCT,"rstruct",""},
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137 {AS+MUL,"*=","ee"},
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138 {AS+UMUL,"*=","ee"},
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139 {AS+DIV,"/=","ee"},
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140 {AS+UDIV,"/=","ee"},
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141 {AS+MOD,"%=","ee"},
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142 {AS+UMOD,"%=","ee"},
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143 {AS+ADD,"+=","ee"},
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144 {AS+MINUS,"-=","ee"},
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145 {AS+RSHIFT,">>=","ee"},
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146 {AS+URSHIFT,">>=","ee"},
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147 {AS+LSHIFT,"<<=","ee"},
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148 {AS+ULSHIFT,"<<=","ee"},
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149 {AS+BAND,"&=","ee"},
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150 {AS+EOR,"^=","ee"},
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151 {AS+BOR,"|=","ee"},
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0
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152 };
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153
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18
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154 void
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50
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155 tree_print_t(int e,int t)
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156 {
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157 printf("# type: ");
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158 tree_print(t);
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159 printf("expr: ");
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160 tree_print(e);
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161 printf("\n");
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162 }
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163
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164 void
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0
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165 tree_print(int e)
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166 {
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167 printf("* generate code on type:\n* ");
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168 tree_parse(type);
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169 printf("\n* expr:\n* ");
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170 tree_parse(e);
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171 printf("\n");
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172 }
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173
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18
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174 static
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0
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175 int tree_level;
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176
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18
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177 void
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0
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178 tree_parse(int e)
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179 {
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180 tree_node_type *t;
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181 int i,j;
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182 char *s;
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183
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184 if(e<0) {
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67
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185 t=find_node(e);
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186 if(t->tree_type==e) {
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187 for(j=0;j<tree_level;j++) putchar(' ');
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188 printf("list(%s)",t->tree_name);
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0
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189 }
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190 } else {
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191 i = car(e);
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192 t=find_node(e);
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193 if(t->tree_type==i) {
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194 tree_level++;
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195 for(j=0;j<tree_level;j++) putchar(' ');
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196 printf("list(%s",t->tree_name);
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197 for(i=1,s=t->tree_args;*s;s++,i++) {
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198 switch(*s) {
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199 case 'e':
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200 case 't':
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201 printf(",\n*");
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202 tree_parse(heap[e+i]); break;
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203 case 'v':
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204 printf(",%d",heap[e+i]); break;
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205 case 'n':
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206 printf(",%s",((NMTBL *)heap[e+i])->nm); break;
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207 case 's':
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208 printf(",%s",(char *)heap[e+i]); break;
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209 case 'i':
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210 printf(",%d",heap[e+i]); break;
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0
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211 }
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212 }
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213 tree_level--;
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214 printf(")");
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215 }
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216 }
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217 }
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67
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218
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219 tree_node_type *
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220 find_node(int e) {
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221 int e1,e2;
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222 int first=0;
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223 int last=sizeof(tree_nodes)/sizeof(tree_node_type);
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224 e2=-1;
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225 while (first!=last) {
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562
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226 #if 0
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227 e1 = (first+last)/2;
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228 if(e2==e1)
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229 return 0;
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230 e2=e1;
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231 if (tree_nodes[e1].tree_type>e)
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232 last = e1;
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233 else if (tree_nodes[e1].tree_type==e)
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234 break;
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235 else if (tree_nodes[e1].tree_type<e)
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236 first = e1;
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562
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237 #else
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238 if (tree_nodes[first].tree_type==e)
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239 break;
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240 first++;
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241 #endif
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67
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242 }
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243 return &tree_nodes[e1];
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244 }
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245
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246 void struct_type_print(int type,FILE *out)
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247 {
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248 NMTBL *n;
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249 int tags;
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250 if((n=(NMTBL*)cadddr(type))) {
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251 fprintf(out,"%s ",n->nm);
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252 return;
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253 }
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254 if((tags=caddr(type))) {
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255 fprintf(out,"{");
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256 while(tags) {
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257 n=(NMTBL*)caddr(tags);
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258 type_print(car(tags),n,out);
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259 fprintf(out,";");
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260 tags = cadr(tags);
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261 }
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262 fprintf(out,"}");
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263 }
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264 }
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265
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74
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266 void function_type_print1(int type,NMTBL *n,FILE *out,int cont)
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67
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267 {
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268 int args;
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74
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269 type_print1(cadr(type),0,out,cont);
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67
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270 if(n) fprintf(out," %s",n->nm);
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271 fprintf(out,"(");
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272 if((args=caddr(type))) {
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273 while (args) {
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274 type_print(car(args),0,out);
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275 args=cadr(args);
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276 if (args) fprintf(out,",");
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277 }
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278 }
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279 fprintf(out,")");
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280 }
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281
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74
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282 void function_type_print(int type,NMTBL *n,FILE *out)
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283 {
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284 function_type_print1(type,n,out,0);
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285 }
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286
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68
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287 void sym_print(int sym,FILE *out)
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288 {
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289 tree_node_type *tn;
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290 if (!(tn=find_node(sym))) { error(-1); return; }
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291 fprintf(out,"%s",tn->tree_name);
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292 }
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293
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70
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294 NMTBL *
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468
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295 typedef_search(int t,int type)
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70
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296 {
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297 while(t) {
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298 if (((NMTBL*)car(t))->ty==type)
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299 return (NMTBL*)car(t);
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300 t=cadr(t);
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301 }
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302 return 0;
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303 }
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304
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74
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305 void type_print1(int type,NMTBL *n,FILE *out,int cont)
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67
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306 {
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307 int t;
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308 tree_node_type *tn;
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70
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309 NMTBL *td;
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72
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310 int args;
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70
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311
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75
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312 if(type>0&&(td=typedef_search(typedefed,type))) {
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74
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313 if (!cont)
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72
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314 fprintf(out,"%s ",td->nm);
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75
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315 } else if(type>0&&(td=typedef_search(gtypedefed,type))) {
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74
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316 if (!cont)
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70
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317 fprintf(out,"%s ",td->nm);
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318 } else if (type<0) {
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319 t=type;
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320 if (!(tn=find_node(t))) { error(-1); return; }
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74
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321 if (!cont)
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322 fprintf(out,"%s ",tn->tree_name);
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67
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323 } else if ((t=car(type))) {
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324 if (!(tn=find_node(t))) { error(-1); return; }
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325 if(t==STRUCT||t==UNION) {
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74
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326 if (!cont) {
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327 fprintf(out,"%s ",tn->tree_name);
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328 struct_type_print(type,out);
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329 }
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67
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330 } else if(t==CODE) {
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74
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331 if (!cont) {
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332 fprintf(out,"%s ",tn->tree_name);
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333 }
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334 function_type_print1(type,n,out,cont);
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67
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335 return;
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336 } else if(t==FUNCTION) {
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74
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337 function_type_print1(type,n,out,cont);
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338 return;
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339 } else if(t==ARRAY) {
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74
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340 type_print1(cadr(type),n,out,cont);
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70
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341 if (caddr(type))
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342 fprintf(out,"[%d]",caddr(type));
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343 else
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344 fprintf(out,"[]");
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67
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345 return;
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346 } else if(t==POINTER) {
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347 t=cadr(type);
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348 if(car(t)==FUNCTION) {
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74
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349 type_print1(cadr(t),0,out,cont);
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72
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350 fprintf(out,"(*");
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351 if(n) fprintf(out,"%s",n->nm);
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352 fprintf(out,")");
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67
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353 fprintf(out,"(");
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72
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354 if((args=caddr(t))) {
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355 while (args) {
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356 type_print(car(args),0,out);
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357 args=cadr(args);
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358 if (args) fprintf(out,",");
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359 }
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360 }
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67
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361 fprintf(out,")");
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72
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362 return;
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363 } else if(car(t)==ARRAY) {
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364 fprintf(out,"(*");
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365 type_print(cadr(t),n,out);
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366 if (caddr(type))
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367 fprintf(out,")[%d]",caddr(type));
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368 else
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369 fprintf(out,")[]");
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370 return;
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371 } else {
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74
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372 type_print1(t,0,out,cont);
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72
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373 fprintf(out,"*");
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374 }
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67
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375 }
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376 }
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377 if(n) fprintf(out,"%s",n->nm);
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378 }
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379
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74
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380 void type_print(int type,NMTBL *n,FILE *out)
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381 {
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382 type_print1(type,n,out,0);
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383 }
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384
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67
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385 /* end */
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