1 | ;;; -*- Mode:Lisp -*- |
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2 | |
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3 | (in-package :named-readtables-test) |
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4 | |
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5 | (defun map-alist (car-fn cdr-fn alist) |
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6 | (mapcar #'(lambda (entry) |
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7 | (cons (funcall car-fn (car entry)) |
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8 | (funcall cdr-fn (cdr entry)))) |
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9 | alist)) |
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10 | |
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11 | (defun length=1 (list) |
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12 | (and list (null (cdr list)))) |
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13 | |
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14 | (defmacro signals-condition-p (name &body body) |
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15 | `(handler-case (prog1 nil ,@body) |
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16 | (,(second name) () t))) |
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17 | |
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18 | (defmacro continue-condition (name &body body) |
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19 | `(handler-bind ((,(second name) #'continue)) |
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20 | ,@body)) |
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21 | |
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22 | (defun read-with-readtable (name string) |
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23 | (let ((*package* '#.*package*) |
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24 | (*readtable* (find-readtable name))) |
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25 | (values (read-from-string string)))) |
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26 | |
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27 | (defun random-named-readtable () |
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28 | (let ((readtables (list-all-named-readtables))) |
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29 | (nth (random (length readtables)) readtables))) |
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30 | |
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31 | |
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32 | (defun readtable-content (named-readtable-designator) |
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33 | (let ((readtable (ensure-readtable named-readtable-designator)) |
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34 | (result '())) |
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35 | ;; Make sure to canonicalize the order and function designators so |
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36 | ;; we can compare easily. |
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37 | (do-readtable ((char reader-fn ntp disp? table) readtable) |
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38 | (setq table (sort (copy-list table) #'char< :key #'car)) |
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39 | (push (list* char |
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40 | (ensure-function reader-fn) |
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41 | ntp |
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42 | (and disp? (list (map-alist #'identity |
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43 | #'ensure-function |
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44 | table)))) |
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45 | result)) |
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46 | (sort result #'char< :key #'car))) |
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47 | |
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48 | (defun readtable= (rt1 rt2) |
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49 | (tree-equal (readtable-content rt1) (readtable-content rt2) |
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50 | :test #'(lambda (x y) |
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51 | (if (and (functionp x) (functionp y)) |
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52 | (function= x y) |
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53 | (eql x y))))) |
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54 | |
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55 | |
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56 | (defun read-A (stream c) |
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57 | (declare (ignore stream c)) |
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58 | :a) |
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59 | |
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60 | (defun read-A-as-X (stream c) |
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61 | (declare (ignore stream c)) |
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62 | :x) |
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63 | |
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64 | (defun read-B (stream c) |
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65 | (declare (ignore stream c)) |
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66 | :b) |
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67 | |
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68 | (defun read-sharp-paren (stream c n) |
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69 | (declare (ignore stream c n)) |
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70 | 'sharp-paren) |
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71 | |
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72 | (defun read-C (stream c) |
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73 | (declare (ignore stream c)) |
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74 | :c) |
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75 | |
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76 | (defreadtable A |
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77 | (:macro-char #\A #'read-A)) |
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78 | |
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79 | (defreadtable A-as-X |
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80 | (:macro-char #\A #'read-A-as-X)) |
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81 | |
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82 | (defreadtable A-dispatch |
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83 | (:macro-char #\A :dispatch) |
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84 | (:dispatch-macro-char #\A #\A #'read-A)) |
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85 | |
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86 | (defreadtable A-dispatch-as-X |
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87 | (:macro-char #\A :dispatch) |
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88 | (:dispatch-macro-char #\A #\A #'read-A-as-X)) |
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89 | |
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90 | (defreadtable B |
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91 | (:macro-char #\B #'read-B)) |
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92 | |
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93 | (defreadtable C |
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94 | (:macro-char #\C #'read-C)) |
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95 | |
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96 | (defreadtable A+B+C |
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97 | (:merge A B C)) |
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98 | |
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99 | (defreadtable standard+A+B+C |
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100 | (:merge :standard A+B+C)) |
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101 | |
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102 | (defreadtable sharp-paren |
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103 | (:macro-char #\# :dispatch) |
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104 | (:dispatch-macro-char #\# #\( #'read-sharp-paren)) |
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105 | |
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106 | |
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107 | (deftest cruft.1 |
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108 | (function= (get-macro-character #\" (copy-readtable nil)) |
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109 | (get-macro-character #\" (copy-readtable nil))) |
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110 | t) |
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111 | |
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112 | (deftest cruft.2 |
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113 | (dispatch-macro-char-p #\# (find-readtable :standard)) |
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114 | t) |
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115 | |
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116 | (deftest cruft.3 |
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117 | (dispatch-macro-char-p #\# (make-readtable)) |
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118 | nil) |
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119 | |
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120 | (deftest cruft.4 |
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121 | (let ((rt (copy-named-readtable :standard))) |
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122 | (ensure-dispatch-macro-character #\# t rt) |
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123 | (dispatch-macro-char-p #\# rt)) |
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124 | t) |
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125 | |
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126 | (deftest cruft.5 |
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127 | (let ((rt (make-readtable))) |
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128 | (values |
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129 | (dispatch-macro-char-p #\$ rt) |
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130 | (ensure-dispatch-macro-character #\$ t rt) |
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131 | (dispatch-macro-char-p #\$ rt))) |
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132 | nil t t) |
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133 | |
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134 | (deftest cruft.6 |
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135 | (let ((rt (make-readtable)) |
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136 | (fn (constantly nil))) |
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137 | (ensure-dispatch-macro-character #\$ t rt) |
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138 | (set-dispatch-macro-character #\$ #\# fn rt) |
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139 | (values |
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140 | (eq fn (get-dispatch-macro-character #\$ #\# rt)) |
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141 | (length=1 (readtable-content rt)))) |
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142 | t t) |
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143 | |
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144 | (deftest cruft.7 |
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145 | (let ((rt (make-readtable)) |
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146 | (fn (constantly nil))) |
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147 | (set-macro-character #\$ fn t rt) |
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148 | (values |
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149 | (eq fn (get-macro-character #\$ rt)) |
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150 | (length=1 (readtable-content rt)))) |
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151 | t t) |
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152 | |
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153 | |
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154 | (deftest standard.1 |
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155 | (read-with-readtable :standard "ABC") |
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156 | ABC) |
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157 | |
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158 | (deftest standard.2 |
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159 | (read-with-readtable :standard "(A B C)") |
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160 | (A B C)) |
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161 | |
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162 | (deftest standard.3 |
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163 | (let ((x (find-readtable nil)) |
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164 | (y (find-readtable :standard)) |
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165 | (z (find-readtable :common-lisp))) |
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166 | (and (eq x y) (eq y z))) |
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167 | t) |
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168 | |
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169 | |
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170 | (deftest modern.1 |
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171 | (read-with-readtable :modern "FooF") |
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172 | |FooF|) |
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173 | |
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174 | |
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175 | (deftest empty.1 |
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176 | (null (readtable-content (make-readtable))) |
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177 | t) |
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178 | |
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179 | (deftest empty.2 |
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180 | (readtable= (merge-readtables-into (make-readtable) :standard) |
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181 | (find-readtable :standard)) |
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182 | t) |
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183 | |
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184 | (deftest empty.3 |
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185 | (let ((rt (copy-named-readtable :standard))) |
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186 | (readtable= (merge-readtables-into (make-readtable) rt) |
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187 | (merge-readtables-into rt (make-readtable)))) |
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188 | t) |
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189 | |
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190 | |
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191 | (deftest basics.1 |
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192 | (read-with-readtable 'A "A") |
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193 | :a) |
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194 | |
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195 | (deftest basics.2 |
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196 | (read-with-readtable 'A-as-X "A") |
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197 | :x) |
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198 | |
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199 | (deftest basics.3 |
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200 | (read-with-readtable 'A "B") |
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201 | B) |
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202 | |
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203 | (deftest basics.4 |
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204 | (read-with-readtable 'A "(A B C)") |
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205 | |(|) |
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206 | |
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207 | |
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208 | (deftest unregister.1 |
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209 | (let ((rt (find-readtable 'A))) |
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210 | (register-readtable 'does-not-exist rt) |
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211 | (values |
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212 | (and (find-readtable 'does-not-exist) t) |
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213 | (unregister-readtable 'does-not-exist) |
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214 | (and (find-readtable 'does-not-exist) t))) |
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215 | t t nil) |
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216 | |
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217 | |
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218 | (deftest name.1 |
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219 | (let ((rt (random-named-readtable))) |
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220 | (eq rt (find-readtable (readtable-name rt)))) |
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221 | t) |
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222 | |
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223 | (deftest ensure.1 |
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224 | (unwind-protect |
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225 | (let* ((x (ensure-readtable 'does-not-exist (find-readtable 'A))) |
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226 | (y (find-readtable 'A)) |
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227 | (z (find-readtable 'does-not-exist))) |
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228 | (and (eq x y) (eq y z))) |
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229 | (unregister-readtable 'does-not-exist)) |
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230 | t) |
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231 | |
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232 | |
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233 | (deftest merge.1 |
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234 | (values |
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235 | (read-with-readtable 'A+B+C "A") |
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236 | (read-with-readtable 'A+B+C "B") |
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237 | (read-with-readtable 'A+B+C "C")) |
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238 | :a :b :c) |
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239 | |
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240 | (deftest merge.2 |
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241 | (read-with-readtable 'standard+A+B+C "(A B C)") |
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242 | (:a :b :c)) |
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243 | |
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244 | (deftest merge.3 |
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245 | (read-with-readtable 'standard+A+B+C "#(A B C)") |
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246 | #(:a :b :c)) |
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247 | |
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248 | (deftest merge.4 |
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249 | (let ((A+B+C+standard (merge-readtables-into (copy-named-readtable 'A+B+C) |
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250 | :standard))) |
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251 | (readtable= 'standard+A+B+C A+B+C+standard)) |
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252 | t) |
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253 | |
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254 | |
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255 | (deftest rename.1 |
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256 | (unwind-protect |
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257 | (progn (make-readtable 'A* :merge '(A)) |
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258 | (rename-readtable 'A* 'A**) |
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259 | (values (and (find-readtable 'A*) t) |
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260 | (and (find-readtable 'A**) t))) |
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261 | (unregister-readtable 'A*) |
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262 | (unregister-readtable 'A**)) |
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263 | nil |
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264 | t) |
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265 | |
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266 | |
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267 | (deftest reader-macro-conflict.1 |
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268 | (signals-condition-p 'reader-macro-conflict |
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269 | (merge-readtables-into (make-readtable) 'A 'A-as-X)) |
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270 | t) |
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271 | |
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272 | (deftest reader-macro-conflict.2 |
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273 | (signals-condition-p 'reader-macro-conflict |
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274 | (merge-readtables-into (make-readtable) :standard :standard)) |
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275 | nil) |
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276 | |
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277 | (deftest reader-macro-conflict.3 |
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278 | (signals-condition-p 'reader-macro-conflict |
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279 | (merge-readtables-into (make-readtable) 'A+B+C 'A)) |
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280 | nil) |
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281 | |
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282 | (deftest reader-macro-conflict.4 |
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283 | (signals-condition-p 'reader-macro-conflict |
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284 | (merge-readtables-into (make-readtable) :standard 'sharp-paren)) |
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285 | t) |
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286 | |
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287 | (deftest reader-macro-conflict.5 |
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288 | (signals-condition-p 'reader-macro-conflict |
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289 | (merge-readtables-into (make-readtable) 'A 'A-dispatch)) |
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290 | t) |
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291 | |
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292 | (deftest reader-macro-conflict.6 |
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293 | (signals-condition-p 'reader-macro-conflict |
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294 | (merge-readtables-into (make-readtable) 'A-dispatch 'A)) |
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295 | t) |
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296 | |
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297 | (deftest reader-macro-conflict.7 |
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298 | (signals-condition-p 'reader-macro-conflict |
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299 | (merge-readtables-into (make-readtable) 'A-dispatch 'A-dispatch-as-X)) |
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300 | t) |
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301 | |
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302 | (deftest reader-macro-conflict.8 |
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303 | (signals-condition-p 'reader-macro-conflict |
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304 | (merge-readtables-into (make-readtable) 'A 'A)) |
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305 | nil) |
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306 | |
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307 | (deftest reader-macro-conflict.9 |
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308 | (signals-condition-p 'reader-macro-conflict |
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309 | (merge-readtables-into (make-readtable) 'A-dispatch 'A-dispatch)) |
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310 | nil) |
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311 | |
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312 | |
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313 | (deftest readtable-does-not-exist.1 |
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314 | (signals-condition-p 'readtable-does-not-exist |
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315 | (ensure-readtable 'does-not-exist)) |
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316 | t) |
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317 | |
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318 | |
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319 | (deftest readtable-does-already-exist.1 |
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320 | (signals-condition-p 'readtable-does-already-exist |
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321 | (make-readtable 'A)) |
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322 | t) |
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323 | |
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324 | (deftest readtable-does-already-exist.2 |
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325 | (signals-condition-p 'readtable-does-already-exist |
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326 | (make-readtable 'A)) |
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327 | t) |
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328 | |
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329 | (deftest readtable-does-already-exist.3 |
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330 | (let ((rt (make-readtable 'does-not-exist :merge '(:standard A B)))) |
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331 | (declare (ignore rt)) |
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332 | (unwind-protect |
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333 | (read-with-readtable (continue-condition 'readtable-does-already-exist |
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334 | (make-readtable 'does-not-exist |
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335 | :merge '(:standard A C))) |
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336 | |
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337 | "(A B C)") |
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338 | (unregister-readtable 'does-not-exist))) |
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339 | (:a B :c)) |
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340 | |
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341 | |
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342 | (deftest defreadtable.1 |
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343 | (unwind-protect |
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344 | (signals-condition-p 'reader-macro-conflict |
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345 | (eval `(defreadtable does-not-exist (:merge A A-as-X)))) |
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346 | (unregister-readtable 'does-not-exist)) |
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347 | t) |
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348 | |
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349 | (deftest defreadtable.2 |
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350 | (unwind-protect |
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351 | (signals-condition-p 't |
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352 | (eval `(defreadtable does-not-exist (:fuse A A-as-X)))) |
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353 | (unregister-readtable 'does-not-exist)) |
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354 | nil) |
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355 | |
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