1 | ## oils_failures_allowed: 0
|
2 |
|
3 | #### Open proc (any number of args)
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4 | shopt --set parse_proc
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5 |
|
6 | proc f {
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7 | var x = 42
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8 | return $x
|
9 | }
|
10 | # this gets called with 3 args then?
|
11 | f a b c
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12 | echo status=$?
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13 | ## STDOUT:
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14 | status=42
|
15 | ## END
|
16 |
|
17 | #### Closed proc with no args, passed too many
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18 | shopt --set parse_proc
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19 |
|
20 | proc f() {
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21 | return 42
|
22 | }
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23 | f
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24 | echo status=$?
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25 |
|
26 | f a b # status 2
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27 |
|
28 | ## status: 3
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29 | ## STDOUT:
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30 | status=42
|
31 | ## END
|
32 |
|
33 | #### Open proc has ARGV
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34 | shopt -s ysh:all
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35 | proc foo {
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36 | echo ARGV @ARGV
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37 | # do we care about this? I think we want to syntactically remove it from YSH
|
38 | # but it can still be used for legacy
|
39 | echo dollar-at "$@"
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40 | }
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41 | builtin set -- a b c
|
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
|
46 | ## END
|
47 |
|
48 | #### Closed proc has empty "$@" or ARGV
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49 | shopt -s ysh:all
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50 |
|
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
|
61 | y
|
62 | z
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63 | ['dollar-at', 'a', 'b', 'c']
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64 | ['ARGV']
|
65 | ## END
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66 |
|
67 | #### Proc with default args
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68 | shopt --set parse_proc
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69 |
|
70 | proc f(x='foo') {
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71 | echo x=$x
|
72 | }
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73 | f
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74 | ## STDOUT:
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75 | x=foo
|
76 | ## END
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77 |
|
78 | #### Proc with word params
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79 | shopt --set parse_proc
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80 |
|
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
|
85 | return $ret
|
86 | }
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87 | # this gets called with 3 args then?
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88 | f a b c
|
89 | echo status=$?
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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 test_ (a)
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138 | pp test_ (mylist)
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139 | pp test_ (mydict)
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140 | #pp test_ (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 |
|
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
|
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 |
|
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 | call io->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 |
|
190 | if (block) {
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191 | call io->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:
|
217 | ## END
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218 |
|
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 |
|
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:
|
239 | ## END
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240 |
|
241 | #### procs are in same namespace as variables
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242 | shopt --set parse_proc
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243 |
|
244 | proc myproc {
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245 | echo hi
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246 | }
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247 |
|
248 | echo "myproc is a $[type(myproc)]"
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249 |
|
250 | ## STDOUT:
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251 | myproc is a Proc
|
252 | ## END
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253 |
|
254 | #### Nested proc is allowed
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255 | shopt --set parse_proc
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256 |
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257 | proc f {
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258 | proc g {
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259 | echo 'G'
|
260 | }
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261 | g
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262 | }
|
263 | f
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264 | g # g is defined in the local scope of f
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265 | ## status: 127
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266 | ## STDOUT:
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267 | G
|
268 | ## END
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269 |
|
270 | #### Procs defined inside compound statements (with redefine_proc)
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271 |
|
272 | shopt --set ysh:upgrade
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273 | shopt --set redefine_proc_func
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274 |
|
275 | for x in 1 2 {
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276 | proc p {
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277 | echo 'loop'
|
278 | }
|
279 | }
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280 | p
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281 |
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282 | {
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283 | proc p {
|
284 | echo 'brace'
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285 | }
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286 | }
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287 | p
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288 |
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289 | ## STDOUT:
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290 | loop
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291 | brace
|
292 | ## END
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293 |
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294 | #### Block can be passed literally, or as expression in third arg group
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295 | shopt --set ysh:upgrade
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296 |
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297 | proc p ( ; ; ; block) {
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298 | call io->eval(block)
|
299 | }
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300 |
|
301 | p { echo literal }
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302 |
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303 | var block = ^(echo expression)
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304 | p (; ; block)
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305 |
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306 | ## STDOUT:
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307 | literal
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308 | expression
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309 | ## END
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310 |
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311 | #### Pass through all 4 kinds of args
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312 |
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313 | shopt --set ysh:upgrade
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314 |
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315 | proc p2 (...words; ...typed; ...named; block) {
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316 | pp test_ (words)
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317 | pp test_ (typed)
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318 | pp test_ (named)
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319 | #pp test_ (block)
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320 | # To avoid <Block 0x??> - could change pp test_
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321 | echo $[type(block)]
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322 | }
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323 |
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324 | proc p1 (...words; ...typed; ...named; block) {
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325 | p2 @words (...typed; ...named; block)
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326 | }
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327 |
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328 | p2 a b ('c', 'd', n=99) {
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329 | echo literal
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330 | }
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331 | echo
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332 |
|
333 | # Same thing
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334 | var block = ^(echo expression)
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335 |
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336 | # Note: you need the second explicit ;
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337 |
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338 | p2 a b ('c', 'd'; n=99; block)
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339 | echo
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340 |
|
341 | # what happens when you do this?
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342 | p2 a b ('c', 'd'; n=99; block) {
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343 | echo duplicate
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344 | }
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345 |
|
346 | ## status: 1
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347 | ## STDOUT:
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348 | (List) ["a","b"]
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349 | (List) ["c","d"]
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350 | (Dict) {"n":99}
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351 | Block
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352 |
|
353 | (List) ["a","b"]
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354 | (List) ["c","d"]
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355 | (Dict) {"n":99}
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356 | Command
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357 |
|
358 | ## END
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359 |
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360 | #### Global and local ARGV, like "$@"
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361 | shopt -s parse_at
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362 | argv.py "$@"
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363 | argv.py @ARGV
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364 | #argv.py "${ARGV[@]}" # not useful, but it works!
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365 |
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366 | set -- 'a b' c
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367 | argv.py "$@"
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368 | argv.py @ARGV # separate from the argv stack
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369 |
|
370 | f() {
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371 | argv.py "$@"
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372 | argv.py @ARGV # separate from the argv stack
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373 | }
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374 | f 1 '2 3'
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375 | ## STDOUT:
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376 | []
|
377 | []
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378 | ['a b', 'c']
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379 | []
|
380 | ['1', '2 3']
|
381 | []
|
382 | ## END
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383 |
|
384 |
|
385 | #### Mutating global ARGV
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386 |
|
387 | $SH -c '
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388 | shopt -s ysh:upgrade
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389 |
|
390 | argv.py global @ARGV
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391 |
|
392 | # should not be ignored
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393 | call ARGV->append("GG")
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394 |
|
395 | argv.py global @ARGV
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396 | '
|
397 | ## STDOUT:
|
398 | ['global']
|
399 | ['global', 'GG']
|
400 | ## END
|
401 |
|
402 | #### Mutating local ARGV
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403 |
|
404 | $SH -c '
|
405 | shopt -s ysh:upgrade
|
406 |
|
407 | argv.py global @ARGV
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408 |
|
409 | proc p {
|
410 | argv.py @ARGV
|
411 | call ARGV->append("LL")
|
412 | argv.py @ARGV
|
413 | }
|
414 |
|
415 | p local @ARGV
|
416 |
|
417 | argv.py global @ARGV
|
418 |
|
419 | ' dummy0 'a b' c
|
420 |
|
421 | ## STDOUT:
|
422 | ['global', 'a b', 'c']
|
423 | ['local', 'a b', 'c']
|
424 | ['local', 'a b', 'c', 'LL']
|
425 | ['global', 'a b', 'c']
|
426 | ## END
|
427 |
|
428 |
|
429 | #### typed proc allows all kinds of args
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430 | shopt -s ysh:upgrade
|
431 |
|
432 | typed proc p (w; t; n; block) {
|
433 | pp test_ (w)
|
434 | pp test_ (t)
|
435 | pp test_ (n)
|
436 | echo $[type(block)]
|
437 | }
|
438 |
|
439 | p word (42, n=99) {
|
440 | echo block
|
441 | }
|
442 |
|
443 |
|
444 | ## STDOUT:
|
445 | (Str) "word"
|
446 | (Int) 42
|
447 | (Int) 99
|
448 | Block
|
449 | ## END
|
450 |
|
451 | #### can unset procs without -f
|
452 | shopt -s ysh:upgrade
|
453 |
|
454 | proc foo() {
|
455 | echo bar
|
456 | }
|
457 |
|
458 | try { foo }
|
459 | echo status=$[_error.code]
|
460 |
|
461 | pp test_ (foo)
|
462 | unset foo
|
463 | #pp test_ (foo)
|
464 |
|
465 | try { foo }
|
466 | echo status=$[_error.code]
|
467 |
|
468 | ## STDOUT:
|
469 | bar
|
470 | status=0
|
471 | <Proc>
|
472 | status=127
|
473 | ## END
|
474 |
|
475 | #### procs shadow sh-funcs
|
476 | shopt -s ysh:upgrade redefine_proc_func
|
477 |
|
478 | f() {
|
479 | echo sh-func
|
480 | }
|
481 |
|
482 | proc f {
|
483 | echo proc
|
484 | }
|
485 |
|
486 | f
|
487 | ## STDOUT:
|
488 | proc
|
489 | ## END
|
490 |
|
491 | #### first word skips non-proc variables
|
492 | shopt -s ysh:upgrade
|
493 |
|
494 | grep() {
|
495 | echo 'sh-func grep'
|
496 | }
|
497 |
|
498 | var grep = 'variable grep'
|
499 |
|
500 | grep
|
501 |
|
502 | # We first find `var grep`, but it's a Str not a Proc, so we skip it and then
|
503 | # find `function grep`.
|
504 |
|
505 | ## STDOUT:
|
506 | sh-func grep
|
507 | ## END
|
508 |
|
509 | #### proc resolution changes with the local scope
|
510 | shopt -s ysh:upgrade
|
511 |
|
512 | proc foo {
|
513 | echo foo
|
514 | }
|
515 |
|
516 | proc bar {
|
517 | echo bar
|
518 | }
|
519 |
|
520 | proc inner {
|
521 | var foo = bar
|
522 | foo # Will now reference `proc bar`
|
523 | }
|
524 |
|
525 | foo
|
526 | inner
|
527 | foo # Back to the global scope, foo still references `proc foo`
|
528 |
|
529 | # Without this behavior, features like `eval(b, vars={ flag: __flag })`, needed
|
530 | # by parseArgs, will not work. `eval` with `vars` adds a new frame to the end of
|
531 | # `mem.var_stack` with a local `flag` set to `proc __flag`. However, then we
|
532 | # cannot resolve `flag` by only checking `mem.var_stack[0]` like we could with
|
533 | # a proc declared normally, so we must search `mem.var_stack` from last to first.
|
534 |
|
535 | ## STDOUT:
|
536 | foo
|
537 | bar
|
538 | foo
|
539 | ## END
|
540 |
|
541 |
|
542 | #### procs are defined in local scope
|
543 | shopt -s ysh:upgrade
|
544 |
|
545 | proc gen-proc {
|
546 | eval 'proc localproc { echo hi }'
|
547 | pp frame_vars_
|
548 |
|
549 | }
|
550 |
|
551 | gen-proc
|
552 |
|
553 | # can't suppress 'grep' failure
|
554 | if false {
|
555 | try {
|
556 | pp frame_vars_ | grep localproc
|
557 | }
|
558 | pp test_ (_pipeline_status)
|
559 | #pp test_ (PIPESTATUS)
|
560 | }
|
561 |
|
562 | ## STDOUT:
|
563 | [frame_vars_] ARGV localproc
|
564 | ## END
|
565 |
|
566 |
|
567 | #### declare -f -F only prints shell functions
|
568 | shopt --set parse_proc
|
569 |
|
570 | myfunc() {
|
571 | echo hi
|
572 | }
|
573 |
|
574 | proc myproc {
|
575 | echo hi
|
576 | }
|
577 |
|
578 | declare -F
|
579 | echo ---
|
580 |
|
581 | declare -F myproc
|
582 | echo status=$?
|
583 |
|
584 | declare -f myproc
|
585 | echo status=$?
|
586 |
|
587 | ## status: 0
|
588 | ## STDOUT:
|
589 | declare -f myfunc
|
590 | ---
|
591 | status=1
|
592 | status=1
|
593 | ## END
|
594 |
|
595 | #### compgen -A function shows user-defined invokables - shell funcs, Proc, Obj
|
596 | shopt --set ysh:upgrade
|
597 |
|
598 | my-shell-func() {
|
599 | echo hi
|
600 | }
|
601 |
|
602 | proc myproc {
|
603 | echo hi
|
604 | }
|
605 |
|
606 | compgen -A function
|
607 |
|
608 | echo ---
|
609 |
|
610 | proc define-inner {
|
611 | eval 'proc inner { echo inner }'
|
612 | #eval 'proc myproc { echo inner }' # shadowed name
|
613 | compgen -A function
|
614 | }
|
615 | define-inner
|
616 |
|
617 | echo ---
|
618 |
|
619 | proc myinvoke (w; self) {
|
620 | pp test_ ([w, self])
|
621 | }
|
622 |
|
623 | var methods = Object(null, {__invoke__: myinvoke})
|
624 | var myobj = Object(methods, {})
|
625 |
|
626 | compgen -A function
|
627 |
|
628 | ## STDOUT:
|
629 | my-shell-func
|
630 | myproc
|
631 | ---
|
632 | define-inner
|
633 | inner
|
634 | my-shell-func
|
635 | myproc
|
636 | ---
|
637 | define-inner
|
638 | my-shell-func
|
639 | myinvoke
|
640 | myobj
|
641 | myproc
|
642 | ## END
|
643 |
|
644 | #### type / type -a builtin on invokables - shell func, proc, invokable
|
645 | shopt --set ysh:upgrade
|
646 |
|
647 | my-shell-func() {
|
648 | echo hi
|
649 | }
|
650 |
|
651 | proc myproc {
|
652 | echo hi
|
653 | }
|
654 |
|
655 | proc boundProc(; self) {
|
656 | echo hi
|
657 | }
|
658 |
|
659 | var methods = Object(null, {__invoke__: boundProc})
|
660 | var invokable = Object(methods, {})
|
661 |
|
662 | type -t my-shell-func
|
663 | type -t myproc
|
664 | type -t invokable
|
665 | try {
|
666 | type -t methods # not invokable!
|
667 | }
|
668 | echo $[_error.code]
|
669 |
|
670 | echo ---
|
671 |
|
672 | type my-shell-func
|
673 | type myproc
|
674 | type invokable
|
675 | try {
|
676 | type methods # not invokable!
|
677 | }
|
678 | echo $[_error.code]
|
679 |
|
680 | echo ---
|
681 |
|
682 | type -a my-shell-func
|
683 | type -a myproc
|
684 | type -a invokable
|
685 |
|
686 | echo ---
|
687 |
|
688 | if false { # can't redefine right now
|
689 | invokable() {
|
690 | echo sh-func
|
691 | }
|
692 | type -a invokable
|
693 | }
|
694 |
|
695 | ## STDOUT:
|
696 | function
|
697 | proc
|
698 | invokable
|
699 | 1
|
700 | ---
|
701 | my-shell-func is a shell function
|
702 | myproc is a YSH proc
|
703 | invokable is a YSH invokable
|
704 | 1
|
705 | ---
|
706 | my-shell-func is a shell function
|
707 | myproc is a YSH proc
|
708 | invokable is a YSH invokable
|
709 | ---
|
710 | ## END
|
711 |
|
712 | #### invokable Obj that doesn't declare self
|
713 | shopt --set ysh:upgrade
|
714 |
|
715 | proc boundProc(no_self; ) {
|
716 | echo 'bad'
|
717 | }
|
718 |
|
719 | var methods = Object(null, {__invoke__: boundProc})
|
720 | var invokable = Object(methods, {x: 3, y: 5})
|
721 |
|
722 | invokable no_self
|
723 |
|
724 | ## status: 3
|
725 | ## STDOUT:
|
726 | ## END
|
727 |
|
728 | #### invokable Obj is called with self
|
729 | shopt --set ysh:upgrade
|
730 |
|
731 | proc boundProc(; self) {
|
732 | echo "sum = $[self.x + self.y]"
|
733 | }
|
734 |
|
735 | var methods = Object(null, {__invoke__: boundProc})
|
736 | var invokable = Object(methods, {x: 3, y: 5})
|
737 |
|
738 | invokable
|
739 |
|
740 | ## STDOUT:
|
741 | sum = 8
|
742 | ## END
|
743 |
|
744 |
|
745 | #### invokable Obj with more typed args
|
746 | shopt --set ysh:upgrade
|
747 |
|
748 | proc myInvoke (word1, word2; self, int1, int2) {
|
749 | echo "sum = $[self.x + self.y]"
|
750 | pp test_ (self)
|
751 | pp test_ ([word1, word2, int1, int2])
|
752 | }
|
753 |
|
754 | # call it directly with 'self'
|
755 | myInvoke a b ({x: 0, y: 1}, 42, 43)
|
756 | echo
|
757 |
|
758 | var methods = Object(null, {__invoke__: myInvoke})
|
759 |
|
760 | var callable = Object(methods, {x: 2, y: 3})
|
761 |
|
762 | # call it through the obj
|
763 | callable a b (44, 45)
|
764 |
|
765 | ## STDOUT:
|
766 | sum = 1
|
767 | (Dict) {"x":0,"y":1}
|
768 | (List) ["a","b",42,43]
|
769 |
|
770 | sum = 5
|
771 | (Obj) {"x":2,"y":3} ==> {"__invoke__":<Proc>}
|
772 | (List) ["a","b",44,45]
|
773 | ## END
|
774 |
|
775 | #### two different objects can share the same __invoke__
|
776 | shopt --set ysh:upgrade
|
777 |
|
778 | proc boundProc(; self, more) {
|
779 | echo "sum = $[self.x + self.y + more]"
|
780 | }
|
781 |
|
782 | var methods = Object(null, {__invoke__: boundProc})
|
783 |
|
784 | var i1 = Object(methods, {x: 3, y: 5})
|
785 | var i2 = Object(methods, {x: 10, y: 42})
|
786 |
|
787 | i1 (1)
|
788 | i2 (1)
|
789 |
|
790 | ## STDOUT:
|
791 | sum = 9
|
792 | sum = 53
|
793 | ## END
|
794 |
|
795 |
|
796 | #### Stateful proc with counter
|
797 | shopt --set ysh:upgrade
|
798 | proc invokeCounter(; self, inc) {
|
799 | setvar self.i += inc
|
800 | echo "counter = $[self.i]"
|
801 | }
|
802 |
|
803 | var methods = Object(null, {__invoke__: invokeCounter})
|
804 | var counter = Object(methods, {i: 0})
|
805 |
|
806 | counter (1)
|
807 | counter (2)
|
808 | counter (3)
|
809 |
|
810 | ## STDOUT:
|
811 | counter = 1
|
812 | counter = 3
|
813 | counter = 6
|
814 | ## END
|