1 | /******* File: leaf.c *******/ |
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2 | |
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3 | #include "gmp.h" |
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4 | #include "MP.h" |
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5 | #include "node.h" |
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6 | #include "label.h" |
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7 | #include "leaf.h" |
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8 | |
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9 | /****************************************************************** |
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10 | * FUNCTION: display_data_node |
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11 | * ARGUMENT: dnp - a pointer to the root of a subtree. |
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12 | * RETURN: int indicating if dnp is a data node |
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13 | * 1 = data node ouput done |
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14 | * 0 = not a know data node |
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15 | * PURPOSE: Output the data node dnp to stdout |
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16 | ******************************************************************/ |
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17 | |
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18 | int display_data_node(dnp) |
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19 | node_t *dnp; |
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20 | { char c; |
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21 | /* Treat a data node */ |
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22 | switch(dnp->type) |
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23 | { case MP_Sint32Type: |
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24 | printf("%d", (long) *((long *)dnp->data)); |
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25 | return 1; |
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26 | case MP_Uint32Type: |
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27 | printf("%u", (long) *((long *)dnp->data)); |
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28 | return 1; |
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29 | case MP_Sint8Type: |
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30 | printf("%d", *(dnp->data)); |
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31 | return 1; |
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32 | case MP_Uint8Type: |
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33 | printf("%u", *((MP_Uint8_t *)dnp->data)); |
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34 | return 1; |
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35 | case MP_BooleanType: |
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36 | c = (*((MP_Boolean_t *)dnp->data) == 1) ? 'T' : 'F'; |
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37 | printf("%c", c); |
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38 | return 1; |
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39 | case MP_Real32Type: |
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40 | printf("%20.10G", (float) *((float *)dnp->data)); |
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41 | return 1; |
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42 | case MP_Real64Type: |
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43 | printf("%20.15lG", (double) *((double *)dnp->data)); |
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44 | return 1; |
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45 | case MP_CommonLatinIdentifierType: |
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46 | printf("%c", *(dnp->data)); |
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47 | return 1; |
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48 | case MP_CommonGreekIdentifierType: |
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49 | printf("%c", *(dnp->data)); |
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50 | return 1; |
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51 | case MP_IdentifierType: |
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52 | printf("%s", dnp->data); |
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53 | return 1; |
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54 | case MP_ConstantType: |
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55 | printf("%s", dnp->data); |
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56 | return 1; |
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57 | case MP_CommonConstantType: |
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58 | printf("%d", *((MP_Common_t *)dnp->data)); |
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59 | return 1; |
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60 | case MP_StringType: |
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61 | printf("%s", dnp->data); |
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62 | return 1; |
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63 | case MP_MetaType: |
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64 | printf("%s", dnp->data); |
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65 | return 1; |
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66 | case MP_RawType: |
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67 | printf("%s\n", dnp->data); |
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68 | return 1; |
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69 | case MP_ApIntType: |
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70 | mpz_out_str(stdout,10, (mpz_ptr)dnp->data); |
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71 | return 1; |
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72 | case MP_ApRealType: |
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73 | mpf_out_str(stdout, 10, 0, (mpf_ptr)dnp->data); |
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74 | return 1; |
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75 | } |
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76 | return(0); |
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77 | /* consider printing annotation on data with (note data annotation) */ |
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78 | } |
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79 | |
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80 | /****************************************************************** |
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81 | * FUNCTION: is_data_node |
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82 | * ARGUMENT: dnp - a pointer to the root of a subtree. |
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83 | * RETURN: 0 or 1 |
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84 | * PURPOSE: predicate function |
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85 | ******************************************************************/ |
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86 | |
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87 | int is_data_node(dnp) |
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88 | node_t *dnp; |
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89 | { switch(dnp->type) |
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90 | { case MP_Sint32Type: |
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91 | case MP_Uint32Type: |
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92 | case MP_Sint8Type: |
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93 | case MP_Uint8Type: |
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94 | case MP_BooleanType: |
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95 | case MP_Real32Type: |
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96 | case MP_Real64Type: |
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97 | case MP_CommonLatinIdentifierType: |
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98 | case MP_CommonGreekIdentifierType: |
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99 | case MP_IdentifierType: |
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100 | case MP_ConstantType: |
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101 | case MP_CommonConstantType: |
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102 | case MP_StringType: |
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103 | case MP_MetaType: |
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104 | case MP_RawType: |
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105 | case MP_ApIntType: |
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106 | case MP_ApRealType: |
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107 | return 1; |
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108 | } |
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109 | return(0); |
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110 | } |
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111 | |
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112 | /* checks for a negative term */ |
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113 | int is_neg(dnp) |
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114 | node_t *dnp; |
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115 | { return (dnp->type == MP_OperatorType && |
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116 | *(dnp->data) == '-' && |
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117 | dnp->num_children == 1); |
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118 | } |
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