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adds an option to interleave the generated code with snippets from the original source

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Lines from the original source are outputted as comments next to line directives.
Hopefully, this will make debugging codegen problems easier.

Other changes:
The frame setup code now uses a single-line C macro. My motivation was to reduce
the noise in the generated output and make it easier to step over the boiler-plate
code, but counter-intuitively this also improved the overall compilation speed a
little bit so I applied the same treatment to line tracking too (this reduces the size of
the generated files and the explanation is that probably the I/O overhead dominates
the macro expansion costs).
This commit is contained in:
Zahary Karadjov 2012-12-02 20:36:29 +02:00
commit d0edb1826b
9 changed files with 149 additions and 85 deletions
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5
compiler/options.nim
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@ -30,6 +30,7 @@ type # please make sure we have under 32 options
optImplicitStatic, # optimization: implicit at compile time
# evaluation
optPatterns # en/disable pattern matching
TOptions* = set[TOption]
TGlobalOption* = enum # **keep binary compatible**
gloptNone, optForceFullMake, optBoehmGC, optRefcGC, optDeadCodeElim,
@ -59,8 +60,9 @@ type # please make sure we have under 32 options
optTaintMode, # taint mode turned on
optTlsEmulation, # thread var emulation turned on
optGenIndex # generate index file for documentation;
optEmbedOrigSrc # embed the original source in the generated code
# also: generate header file
TGlobalOptions* = set[TGlobalOption]
TCommands* = enum # Nimrod's commands
# **keep binary compatible**
@ -236,4 +238,5 @@ proc binaryStrSearch*(x: openarray[string], y: string): int =
template nimdbg*: expr = c.module.fileIdx == gProjectMainIdx
template cnimdbg*: expr = p.module.module.fileIdx == gProjectMainIdx
template pnimdbg*: expr = p.lex.fileIdx == gProjectMainIdx
template lnimdbg*: expr = L.fileIdx == gProjectMainIdx