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      1 # $NetBSD: opt-debug-parse.mk,v 1.8 2023/06/01 20:56:35 rillig Exp $
      2 #
      3 # Tests for the -dp command line option, which adds debug logging about
      4 # makefile parsing.
      5 
      6 .MAKEFLAGS: -dp
      7 
      8 # TODO: Implementation
      9 
     10 # Before parse.c 1.639 from 2022-01-08, PrintStackTrace and other diagnostics
     11 # printed a wrong line number, using the last line before the loop body, while
     12 # it should rather be the line number where the .for loop starts.
     13 #
     14 # Before parse.c 1.643 from 2022-01-08, PrintStackTrace tried to be too clever
     15 # by merging stack trace entries, printing confusing line numbers as a result.
     16 .for \
     17     var \
     18     in \
     19     value
     20 # expect+1: trace with multi-line .for loop head
     21 .info trace with multi-line .for loop head
     22 .endfor
     23 
     24 # Before parse.c 1.641 from 2022-01-08, the debug log said it returned to
     25 # the line of the '.include' instead of the line following it.
     26 .include "/dev/null"
     27 
     28 
     29 # In .for loops with multiple variables, the variable details are included in
     30 # the stack trace, just as with a single variable.
     31 .for a b c in 1 2 3 ${:U4 5 6}
     32 # expect+2: trace
     33 # expect+1: trace
     34 .info trace
     35 .endfor
     36 
     37 
     38 .MAKEFLAGS: -d0
     39 
     40 all: .PHONY
     41