1 | ## oils_failures_allowed: 0
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2 |
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3 | #### Open proc (any number of args)
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4 | shopt --set parse_proc
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5 |
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6 | proc f {
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7 | var x = 42
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8 | return $x
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9 | }
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10 | # this gets called with 3 args then?
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11 | f a b c
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12 | echo status=$?
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13 | ## STDOUT:
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14 | status=42
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15 | ## END
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16 |
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17 | #### Closed proc with no args, passed too many
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18 | shopt --set parse_proc
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19 |
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20 | proc f() {
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21 | return 42
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22 | }
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23 | f
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24 | echo status=$?
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25 |
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26 | f a b # status 2
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27 |
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28 | ## status: 3
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29 | ## STDOUT:
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30 | status=42
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31 | ## END
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32 |
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33 | #### Open proc has ARGV
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34 | shopt -s ysh:all
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35 | proc foo {
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36 | echo ARGV @ARGV
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37 | # do we care about this? I think we want to syntactically remove it from YSH
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38 | # but it can still be used for legacy
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39 | echo dollar-at "$@"
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40 | }
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41 | builtin set -- a b c
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42 | foo x y z
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43 | ## STDOUT:
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44 | ARGV x y z
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45 | dollar-at a b c
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46 | ## END
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47 |
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48 | #### Closed proc has empty "$@" or ARGV
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49 | shopt -s ysh:all
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50 |
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51 | proc foo(d, e, f) {
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52 | write params $d $e $f
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53 | argv.py dollar-at "$@"
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54 | argv.py ARGV @ARGV
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55 | }
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56 | builtin set -- a b c
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57 | foo x y z
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58 | ## STDOUT:
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59 | params
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60 | x
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61 | y
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62 | z
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63 | ['dollar-at', 'a', 'b', 'c']
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64 | ['ARGV']
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65 | ## END
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66 |
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67 | #### Proc with default args
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68 | shopt --set parse_proc
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69 |
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70 | proc f(x='foo') {
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71 | echo x=$x
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72 | }
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73 | f
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74 | ## STDOUT:
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75 | x=foo
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76 | ## END
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77 |
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78 | #### Proc with word params
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79 | shopt --set parse_proc
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80 |
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81 | # doesn't require ysh:all
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82 | proc f(x, y, z) {
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83 | echo $x $y $z
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84 | var ret = 42
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85 | return $ret
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86 | }
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87 | # this gets called with 3 args then?
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88 | f a b c
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89 | echo status=$?
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90 | ## STDOUT:
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91 | a b c
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92 | status=42
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93 | ## END
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94 |
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95 | #### Proc with ... "rest" word params
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96 |
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97 | # TODO: opts goes with this
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98 | # var opt = grep_opts.parse(ARGV)
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99 | #
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100 | # func(**opt) # Assumes keyword args match?
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101 | # parse :grep_opts :opt @ARGV
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102 |
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103 | shopt -s ysh:all
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104 |
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105 | proc f(...names) {
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106 | write names: @names
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107 | }
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108 | # this gets called with 3 args then?
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109 | f a b c
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110 | echo status=$?
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111 | ## STDOUT:
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112 | names:
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113 | a
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114 | b
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115 | c
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116 | status=0
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117 | ## END
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118 |
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119 | #### word rest params 2
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120 | shopt --set ysh:all
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121 |
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122 | proc f(first, ...rest) { # @ means "the rest of the arguments"
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123 | write --sep ' ' -- $first
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124 | write --sep ' ' -- @rest # @ means "splice this array"
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125 | }
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126 | f a b c
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127 | ## STDOUT:
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128 | a
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129 | b c
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130 | ## END
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131 |
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132 | #### proc with typed args
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133 | shopt --set ysh:upgrade
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134 |
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135 | # TODO: duplicate param names aren't allowed
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136 | proc p (a; mylist, mydict; opt Int = 42) {
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137 | pp line (a)
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138 | pp line (mylist)
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139 | pp line (mydict)
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140 | #pp line (opt)
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141 | }
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142 |
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143 | p WORD ([1,2,3], {name: 'bob'})
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144 |
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145 | echo ---
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146 |
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147 | p x (:| a b |, {bob: 42}, a = 5)
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148 |
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149 | ## STDOUT:
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150 | (Str) "WORD"
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151 | (List) [1,2,3]
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152 | (Dict) {"name":"bob"}
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153 | ---
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154 | (Str) "x"
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155 | (List) ["a","b"]
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156 | (Dict) {"bob":42}
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157 | ## END
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158 |
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159 | #### Proc name-with-hyphen
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160 | shopt --set parse_proc parse_at
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161 |
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162 | proc name-with-hyphen {
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163 | echo @ARGV
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164 | }
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165 | name-with-hyphen x y z
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166 | ## STDOUT:
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167 | x y z
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168 | ## END
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169 |
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170 | #### Proc with block arg
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171 | shopt --set ysh:upgrade
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172 |
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173 | # TODO: Test more of this
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174 | proc f(x, y ; ; ; block) {
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175 | echo f word $x $y
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176 |
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177 | if (block) {
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178 | eval (block)
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179 | }
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180 | }
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181 | f a b { echo FFF }
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182 |
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183 | # With varargs and block
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184 | shopt --set parse_proc
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185 |
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186 | proc g(x, y, ...rest ; ; ; block) {
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187 | echo g word $x $y
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188 | echo g rest @rest
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189 |
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190 | if (block) {
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191 | eval (block)
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192 | }
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193 | }
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194 | g a b c d {
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195 | echo GGG
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196 | }
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197 |
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198 | ## STDOUT:
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199 | f word a b
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200 | FFF
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201 | g word a b
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202 | g rest c d
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203 | GGG
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204 | ## END
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205 |
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206 | #### proc returning wrong type
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207 | shopt --set parse_proc
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208 |
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209 | # this should print an error message
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210 | proc f {
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211 | var a = %(one two)
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212 | return $a
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213 | }
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214 | f
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215 | ## status: 3
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216 | ## STDOUT:
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217 | ## END
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218 |
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219 | #### proc returning invalid string
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220 | shopt --set parse_proc
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221 |
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222 | # this should print an error message
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223 | proc f {
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224 | var s = 'not an integer status'
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225 | return $s
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226 | }
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227 | f
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228 | ## status: 1
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229 | ## STDOUT:
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230 | ## END
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231 |
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232 | #### 'return' doesn't accept expressions
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233 | proc p {
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234 | return 1 + 2
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235 | }
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236 | p
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237 | ## status: 2
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238 | ## STDOUT:
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239 | ## END
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240 |
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241 | #### procs are in same namespace as shell functions
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242 | shopt --set parse_proc
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243 |
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244 | myfunc() {
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245 | echo hi
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246 | }
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247 |
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248 | proc myproc {
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249 | echo hi
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250 | }
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251 |
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252 | declare -F
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253 | ## STDOUT:
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254 | declare -f myfunc
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255 | declare -f myproc
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256 | ## END
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257 |
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258 |
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259 | #### Nested proc is disallowed at parse time
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260 | shopt --set parse_proc
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261 |
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262 | # NOTE: we can disallow this in Oil statically ...
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263 | proc f {
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264 | proc g {
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265 | echo 'G'
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266 | }
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267 | g
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268 | }
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269 | f
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270 | g
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271 | ## status: 2
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272 | ## stdout-json: ""
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273 |
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274 | #### Procs defined inside compound statements (with redefine_proc)
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275 |
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276 | shopt --set ysh:upgrade
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277 | shopt --set redefine_proc_func
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278 |
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279 | for x in 1 2 {
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280 | proc p {
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281 | echo 'loop'
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282 | }
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283 | }
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284 | p
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285 |
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286 | {
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287 | proc p {
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288 | echo 'brace'
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289 | }
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290 | }
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291 | p
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292 |
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293 | ## STDOUT:
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294 | loop
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295 | brace
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296 | ## END
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297 |
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298 | #### Block can be passed literally, or as expression in third arg group
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299 | shopt --set ysh:upgrade
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300 |
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301 | proc p ( ; ; ; block) {
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302 | eval (block)
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303 | }
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304 |
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305 | p { echo literal }
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306 |
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307 | var block = ^(echo expression)
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308 | p (; ; block)
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309 |
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310 | ## STDOUT:
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311 | literal
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312 | expression
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313 | ## END
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314 |
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315 | #### Pass through all 4 kinds of args
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316 |
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317 | shopt --set ysh:upgrade
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318 |
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319 | proc p2 (...words; ...typed; ...named; block) {
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320 | pp line (words)
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321 | pp line (typed)
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322 | pp line (named)
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323 | #pp line (block)
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324 | # To avoid <Block 0x??> - could change pp line
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325 | echo $[type(block)]
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326 | }
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327 |
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328 | proc p1 (...words; ...typed; ...named; block) {
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329 | p2 @words (...typed; ...named; block)
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330 | }
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331 |
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332 | p2 a b ('c', 'd', n=99) {
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333 | echo literal
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334 | }
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335 | echo
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336 |
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337 | # Same thing
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338 | var block = ^(echo expression)
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339 |
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340 | # Note: you need the second explicit ;
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341 |
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342 | p2 a b ('c', 'd'; n=99; block)
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343 | echo
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344 |
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345 | # what happens when you do this?
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346 | p2 a b ('c', 'd'; n=99; block) {
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347 | echo duplicate
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348 | }
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349 |
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350 | ## status: 1
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351 | ## STDOUT:
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352 | (List) ["a","b"]
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353 | (List) ["c","d"]
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354 | (Dict) {"n":99}
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355 | Block
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356 |
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357 | (List) ["a","b"]
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358 | (List) ["c","d"]
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359 | (Dict) {"n":99}
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360 | Command
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361 |
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362 | ## END
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363 |
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364 | #### Global and local ARGV, like "$@"
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365 | shopt -s parse_at
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366 | argv.py "$@"
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367 | argv.py @ARGV
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368 | #argv.py "${ARGV[@]}" # not useful, but it works!
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369 |
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370 | set -- 'a b' c
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371 | argv.py "$@"
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372 | argv.py @ARGV # separate from the argv stack
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373 |
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374 | f() {
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375 | argv.py "$@"
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376 | argv.py @ARGV # separate from the argv stack
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377 | }
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378 | f 1 '2 3'
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379 | ## STDOUT:
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380 | []
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381 | []
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382 | ['a b', 'c']
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383 | []
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384 | ['1', '2 3']
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385 | []
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386 | ## END
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387 |
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388 |
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389 | #### Mutating global ARGV
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390 |
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391 | $SH -c '
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392 | shopt -s ysh:upgrade
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393 |
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394 | argv.py global @ARGV
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395 |
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396 | # should not be ignored
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397 | call ARGV->append("GG")
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398 |
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399 | argv.py global @ARGV
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400 | '
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401 | ## STDOUT:
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402 | ['global']
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403 | ['global', 'GG']
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404 | ## END
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405 |
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406 | #### Mutating local ARGV
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407 |
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408 | $SH -c '
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409 | shopt -s ysh:upgrade
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410 |
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411 | argv.py global @ARGV
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412 |
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413 | proc p {
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414 | argv.py @ARGV
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415 | call ARGV->append("LL")
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416 | argv.py @ARGV
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417 | }
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418 |
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419 | p local @ARGV
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420 |
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421 | argv.py global @ARGV
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422 |
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423 | ' dummy0 'a b' c
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424 |
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425 | ## STDOUT:
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426 | ['global', 'a b', 'c']
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427 | ['local', 'a b', 'c']
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428 | ['local', 'a b', 'c', 'LL']
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429 | ['global', 'a b', 'c']
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430 | ## END
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431 |
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432 |
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433 | #### typed proc allows all kinds of args
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434 | shopt -s ysh:upgrade
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435 |
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436 | typed proc p (w; t; n; block) {
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437 | pp line (w)
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438 | pp line (t)
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439 | pp line (n)
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440 | echo $[type(block)]
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441 | }
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442 |
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443 | p word (42, n=99) {
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444 | echo block
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445 | }
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446 |
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447 |
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448 | ## STDOUT:
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449 | (Str) "word"
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450 | (Int) 42
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451 | (Int) 99
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452 | Block
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453 | ## END
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