c0a52e2708
This will hopefully help with tracking down why the "Undefined variable"
error message is not triggered.
There is some other non-obvious behavior nearby. In Parse_DoVar, the !=
assignment operator evaluates the variable using VARE_UNDEFERR, but
there is not even a warning for the following line:
!= echo err ${UNDEFINED} 1>&2
81 lines
4.4 KiB
Plaintext
81 lines
4.4 KiB
Plaintext
Global:RELEVANT = yes
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Global:VAR = added
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Global:VAR = overwritten
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Global:delete VAR
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Global:delete VAR (not found)
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Var_Parse: ${:U} with VARE_WANTRES
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Applying ${:U} to "" (eflags = VARE_WANTRES, vflags = VAR_JUNK)
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Result of ${:U} is "" (eflags = VARE_WANTRES, vflags = VAR_JUNK|VAR_KEEP)
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Var_Set("${:U}", "empty name", ...) name expands to empty string - ignored
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Var_Parse: ${:U} with VARE_WANTRES
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Applying ${:U} to "" (eflags = VARE_WANTRES, vflags = VAR_JUNK)
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Result of ${:U} is "" (eflags = VARE_WANTRES, vflags = VAR_JUNK|VAR_KEEP)
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Var_Append("${:U}", "empty name", ...) name expands to empty string - ignored
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Global:FROM_CMDLINE = overwritten ignored!
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Global:VAR = 1
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Global:VAR = 1 2
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Global:VAR = 1 2 3
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Var_Parse: ${VAR:M[2]} with VARE_UNDEFERR|VARE_WANTRES
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Applying ${VAR:M...} to "1 2 3" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = none)
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Pattern[VAR] for [1 2 3] is [[2]]
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ModifyWords: split "1 2 3" into 3 words
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VarMatch [1] [[2]]
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VarMatch [2] [[2]]
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VarMatch [3] [[2]]
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Result of ${VAR:M[2]} is "2" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = none)
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Var_Parse: ${VAR:N[2]} with VARE_UNDEFERR|VARE_WANTRES
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Applying ${VAR:N...} to "1 2 3" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = none)
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Pattern[VAR] for [1 2 3] is [[2]]
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ModifyWords: split "1 2 3" into 3 words
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Result of ${VAR:N[2]} is "1 3" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = none)
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Var_Parse: ${VAR:S,2,two,} with VARE_UNDEFERR|VARE_WANTRES
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Applying ${VAR:S...} to "1 2 3" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = none)
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Modifier part: "2"
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Modifier part: "two"
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ModifyWords: split "1 2 3" into 3 words
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Result of ${VAR:S,2,two,} is "1 two 3" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = none)
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Var_Parse: ${VAR:Q} with VARE_UNDEFERR|VARE_WANTRES
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Applying ${VAR:Q} to "1 2 3" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = none)
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QuoteMeta: [1\ 2\ 3]
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Result of ${VAR:Q} is "1\ 2\ 3" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = none)
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Var_Parse: ${VAR:tu:tl:Q} with VARE_UNDEFERR|VARE_WANTRES
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Applying ${VAR:t...} to "1 2 3" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = none)
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Result of ${VAR:tu} is "1 2 3" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = none)
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Applying ${VAR:t...} to "1 2 3" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = none)
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Result of ${VAR:tl} is "1 2 3" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = none)
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Applying ${VAR:Q} to "1 2 3" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = none)
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QuoteMeta: [1\ 2\ 3]
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Result of ${VAR:Q} is "1\ 2\ 3" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = none)
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Var_Parse: ${:Uvalue:${:UM*e}:Mvalu[e]} with VARE_UNDEFERR|VARE_WANTRES
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Applying ${:U...} to "" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = VAR_JUNK)
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Result of ${:Uvalue} is "value" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = VAR_JUNK|VAR_KEEP)
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Var_Parse: ${:UM*e}:Mvalu[e]} with VARE_UNDEFERR|VARE_WANTRES
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Applying ${:U...} to "" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = VAR_JUNK)
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Result of ${:UM*e} is "M*e" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = VAR_JUNK|VAR_KEEP)
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Indirect modifier "M*e" from "${:UM*e}"
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Applying ${:M...} to "value" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = VAR_JUNK|VAR_KEEP)
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Pattern[] for [value] is [*e]
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ModifyWords: split "value" into 1 words
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VarMatch [value] [*e]
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Result of ${:M*e} is "value" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = VAR_JUNK|VAR_KEEP)
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Applying ${:M...} to "value" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = VAR_JUNK|VAR_KEEP)
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Pattern[] for [value] is [valu[e]]
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ModifyWords: split "value" into 1 words
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VarMatch [value] [valu[e]]
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Result of ${:Mvalu[e]} is "value" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = VAR_JUNK|VAR_KEEP)
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Var_Parse: ${:UVAR} with VARE_WANTRES
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Applying ${:U...} to "" (eflags = VARE_WANTRES, vflags = VAR_JUNK)
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Result of ${:UVAR} is "VAR" (eflags = VARE_WANTRES, vflags = VAR_JUNK|VAR_KEEP)
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Global:delete VAR
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Var_Parse: ${:Uvariable:unknown} with VARE_UNDEFERR|VARE_WANTRES
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Applying ${:U...} to "" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = VAR_JUNK)
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Result of ${:Uvariable} is "variable" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = VAR_JUNK|VAR_KEEP)
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Applying ${:u...} to "variable" (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = VAR_JUNK|VAR_KEEP)
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make: Unknown modifier 'u'
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Result of ${:unknown} is error (eflags = VARE_UNDEFERR|VARE_WANTRES, vflags = VAR_JUNK|VAR_KEEP)
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make: "vardebug.mk" line 44: Malformed conditional (${:Uvariable:unknown})
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Var_Parse: ${UNDEFINED} with VARE_UNDEFERR|VARE_WANTRES
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make: "vardebug.mk" line 53: Malformed conditional (${UNDEFINED})
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Global:RELEVANT = no
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exit status 1
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