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<!-- Weave of 'Target Virtual Machines' generated by Inweb -->
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< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../services.html" > Services< / a > < / li > < li > < a href = "index.html" > arch< / a > < / li > < li > < a href = "index.html#2" > Chapter 2: Architectures and VMs< / a > < / li > < li > < b > Target Virtual Machines< / b > < / li > < / ul > < / div >
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< p class = "purpose" > To deal with multiple object code formats.< / p >
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< ul class = "toc" > < li > < a href = "2-tvm.html#SP1" > § 1. Target VMs< / a > < / li > < li > < a href = "2-tvm.html#SP5" > § 5. To and from text< / a > < / li > < li > < a href = "2-tvm.html#SP9" > § 9. Architectural provisions< / a > < / li > < li > < a href = "2-tvm.html#SP10" > § 10. File extension provisions< / a > < / li > < li > < a href = "2-tvm.html#SP13" > § 13. Family compatibility< / a > < / li > < li > < a href = "2-tvm.html#SP14" > § 14. Options< / a > < / li > < / ul > < hr class = "tocbar" >
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< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. Target VMs. < / b > For a fuller explanation of these, see < a href = "P-wtmd.html" class = "internal" > What This Module Does< / a > , but briefly:
a < a href = "2-tvm.html#SP2" class = "internal" > target_vm< / a > object represents a choice of both Inter architecture and
also a format for final code-generation from Inter. For example, it might
represent "16-bit with debugging enabled to be generated to Inform 6 code",
or, say, "32-bit to be generated to ANSI C code".
< / p >
< p class = "commentary" > The basic set of possible target VMs is made when the < a href = "index.html" class = "internal" > arch< / a > module starts up:
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > TargetVMs::create< / span > < button class = "popup" onclick = "togglePopup('usagePopup1')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup1" > Usage of < span class = "code-font" > < span class = "function-syntax" > TargetVMs::create< / span > < / span > :< br / > Arch Module - < a href = "1-am.html#SP3" > § 3< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "comment-syntax" > hat tip: Joel Berez and Marc Blank, 1979, and later hands< / span >
< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "16"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Inform6"< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "5"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "i6"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "z5"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "zblorb"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Parchment"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "16d"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Inform6"< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "5"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "i6"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "z5"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "zblorb"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Parchment"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "16"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Inform6"< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "8"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "i6"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "z8"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "zblorb"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Parchment"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "16d"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Inform6"< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "8"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "i6"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "z8"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "zblorb"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Parchment"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "comment-syntax" > hat tip: Andrew Plotkin, 2000< / span >
< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "32"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Inform6"< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "3.1.2"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "i6"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "ulx"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "gblorb"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Quixe"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "32d"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Inform6"< / span > < span class = "plain-syntax" > ,< / span >
2021-09-13 02:33:30 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "3.1.2"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "i6"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "ulx"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "gblorb"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Quixe"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "comment-syntax" > hat tip: modesty forbids< / span >
< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "16"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Binary"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "1"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "c"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "16d"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Binary"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "1"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "c"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "32"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Binary"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "1"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "c"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "32d"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Binary"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "1"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "c"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "16"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Text"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "1"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "c"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "16d"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Text"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "1"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "c"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "32"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Text"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "1"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "c"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "32d"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Text"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "1"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "c"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
2021-09-11 16:36:26 +03:00
< span class = "plain-syntax" > < / span > < span class = "comment-syntax" > C support added September 2021< / span >
< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "32"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "C"< / span > < span class = "plain-syntax" > ,< / span >
2021-09-13 02:33:30 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "1"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "c"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
2021-09-11 16:36:26 +03:00
< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "32d"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "C"< / span > < span class = "plain-syntax" > ,< / span >
2021-09-13 02:33:30 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "1"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "c"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
2022-03-25 01:35:22 +02:00
< span class = "plain-syntax" > < / span > < span class = "comment-syntax" > Inventory support added March 2022< / span >
< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "16"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Inventory"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "1"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "c"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "16d"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Inventory"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "1"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "c"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "32"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Inventory"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "1"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "c"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "32d"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Inventory"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "1"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "c"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > ""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
2021-09-11 16:36:26 +03:00
< span class = "plain-syntax" > }< / span >
< / pre >
< p class = "commentary firstcommentary" > < a id = "SP2" class = "paragraph-anchor" > < / a > < b > § 2. < / b > The < a href = "2-tvm.html#SP2" class = "internal" > target_vm< / a > structure contains two arguably architectural doohickies:
potential limits on the use of floating-point arithmetic or on local variables.
These are indeed currently derived only from the choice of < span class = "extract" > < span class = "extract-syntax" > architecture< / span > < / span > , but
we're keeping them here in case there is some day a need for a 32-bit format
with integer-only arithmetic, say.
2020-05-10 01:49:59 +03:00
< / p >
2020-05-03 03:01:21 +03:00
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > typedef< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > inter_architecture< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > architecture< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > such as 32d< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > semantic_version_number< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > version< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > such as 0.8.7< / span >
2021-09-13 02:33:30 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > transpiled_extension< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > such as < / span > < span class = "extract" > < span class = "extract-syntax" > i6< / span > < / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM_unblorbed_extension< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > such as < / span > < span class = "extract" > < span class = "extract-syntax" > z8< / span > < / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM_blorbed_extension< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > when blorbed up< / span >
2021-09-11 16:36:26 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM_image< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > filename of image for icon used in the index< / span >
2020-05-03 03:01:21 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > default_browser_interpreter< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > e.g., "Parchment"< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > iFiction_format_name< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > e.g., "zcode": see the Treaty of Babel< / span >
2021-09-11 16:36:26 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > transpiler_family< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > transpiler format, e.g., "Inform6" or "C"< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > full_format< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > e.g., "Inform6/32d/v3.1.2"< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > supports_floating_point< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > max_locals< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > upper limit on local variables per stack frame< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > linked_list< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > format_options< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > of < / span > < span class = "extract" > < span class = "extract-syntax" > text_stream< / span > < / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CLASS_DEFINITION< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
< ul class = "endnotetexts" > < li > The structure target_vm is accessed in 2/cmp and here.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP3" class = "paragraph-anchor" > < / a > < b > § 3. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > TargetVMs::new< / span > < button class = "popup" onclick = "togglePopup('usagePopup2')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup2" > Usage of < span class = "code-font" > < span class = "function-syntax" > TargetVMs::new< / span > < / span > :< br / > < a href = "2-tvm.html#SP1" > § 1< / a > , < a href = "2-tvm.html#SP4" > § 4< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > inter_architecture< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > arch< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > format< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > semantic_version_number< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > trans< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > unblorbed< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > blorbed< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > interpreter< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > linked_list< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > opts< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > version< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > transpiled_extension< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Str::duplicate< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > trans< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > VM_unblorbed_extension< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Str::duplicate< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > unblorbed< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > VM_blorbed_extension< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Str::duplicate< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > blorbed< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > default_browser_interpreter< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Str::duplicate< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > interpreter< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > architecture< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > arch< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > architecture< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "no such architecture"< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP6" class = "function-link" > < span class = "function-syntax" > Architectures::is_16_bit< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > architecture< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > supports_floating_point< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > max_locals< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 15< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > VM_image< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "vm_z8.png"< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > supports_floating_point< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > max_locals< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 256< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > VM_image< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "vm_glulx.png"< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > iFiction_format_name< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Str::new< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::eq< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > format< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Inform6"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "2-arc.html#SP6" class = "function-link" > < span class = "function-syntax" > Architectures::is_16_bit< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > architecture< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > iFiction_format_name< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "zcode"< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > iFiction_format_name< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "glulx"< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > iFiction_format_name< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "Inform+%S"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > format< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > transpiler_family< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Str::duplicate< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > format< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > format_options< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NEW_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > full_format< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Str::new< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > full_format< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "%S/%S/v%v"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > transpiler_family< / span > < span class = "plain-syntax" > , < / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::to_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > architecture< / span > < span class = "plain-syntax" > ), & < / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > opts< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > opt< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_OVER_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > opt< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > opts< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > full_format< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "/%S"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > opt< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ADD_TO_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > opt< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > format_options< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP4" class = "paragraph-anchor" > < / a > < b > § 4. < / b > Plumbing is included here to add "options" to a VM's textual description. The
idea is that these allow for the user to specify additional and VM-specific
command-line options (using < span class = "extract" > < span class = "extract-syntax" > -format< / span > < / span > ) which are then picked up by < a href = "../final-module/index.html" class = "internal" > final< / a > .
Thus, a request for < span class = "extract" > < span class = "extract-syntax" > -format=C/32d/no-halt/stack=240< / span > < / span > would cause a new variant of
< span class = "extract" > < span class = "extract-syntax" > C/32d< / span > < / span > to be created which would have the (purely hypothetical) list of
options < span class = "extract" > < span class = "extract-syntax" > I"no-halt", I"stack=240"< / span > < / span > . It is then up to the C final code generator
to understand what these mean, if indeed they mean anything.
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > TargetVMs::new_variant< / span > < button class = "popup" onclick = "togglePopup('usagePopup3')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup3" > Usage of < span class = "code-font" > < span class = "function-syntax" > TargetVMs::new_variant< / span > < / span > :< br / > < a href = "2-tvm.html#SP6_3" > § 6.3< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > existing< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > linked_list< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > opts< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP3" class = "function-link" > < span class = "function-syntax" > TargetVMs::new< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > existing< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > architecture< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > existing< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > transpiler_family< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > existing< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > version< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > existing< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > transpiled_extension< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > existing< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > VM_unblorbed_extension< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > existing< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > VM_blorbed_extension< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > existing< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > default_browser_interpreter< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > opts< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP5" class = "paragraph-anchor" > < / a > < b > § 5. To and from text. < / b > First, writing. This is the longhand form of the VM name:
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > TargetVMs::write< / span > < button class = "popup" onclick = "togglePopup('usagePopup4')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup4" > Usage of < span class = "code-font" > < span class = "function-syntax" > TargetVMs::write< / span > < / span > :< br / > Compatibility - < a href = "2-cmp.html#SP5" > § 5< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUTPUT_STREAM< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "none"< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "%S"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > full_format< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
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< span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > TargetVMs::get_full_format_text< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "no VM"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > full_format< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP6" class = "paragraph-anchor" > < / a > < b > § 6. < / b > And now for reading. The following is used by < a href = "../inbuild/index.html" class = "internal" > inbuild< / a > when reading the
command-line option < span class = "extract" > < span class = "extract-syntax" > -format=T< / span > < / span > : the text < span class = "extract" > < span class = "extract-syntax" > T< / span > < / span > is supplied as a parameter here.
< / p >
< p class = "commentary" > Note however that it actually calls < a href = "2-tvm.html#SP6" class = "internal" > TargetVMs::find_with_hint< / a > . The < span class = "extract" > < span class = "extract-syntax" > debug< / span > < / span >
hint, if set, says to make the architecture have debugging enabled or not according
to this hint: thus < span class = "extract" > < span class = "extract-syntax" > "C"< / span > < / span > plus the hint < span class = "extract" > < span class = "extract-syntax" > FALSE< / span > < / span > will return the VM < span class = "extract" > < span class = "extract-syntax" > C/32< / span > < / span > , while
< span class = "extract" > < span class = "extract-syntax" > "C"< / span > < / span > plus the hint < span class = "extract" > < span class = "extract-syntax" > TRUE< / span > < / span > will return the VM < span class = "extract" > < span class = "extract-syntax" > C/32d< / span > < / span > . The hint < span class = "extract" > < span class = "extract-syntax" > NOT_APPLICABLE< / span > < / span >
is ignored; and the hint is also ignored if the supplied text already definitely
specifies debugging. Thus < span class = "extract" > < span class = "extract-syntax" > "C/32d"< / span > < / span > plus hint < span class = "extract" > < span class = "extract-syntax" > FALSE< / span > < / span > will return < span class = "extract" > < span class = "extract-syntax" > C/32d< / span > < / span > .
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > TargetVMs::find< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > format< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP6" class = "function-link" > < span class = "function-syntax" > TargetVMs::find_with_hint< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > format< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NOT_APPLICABLE< / span > < span class = "plain-syntax" > ); < / span > < span class = "comment-syntax" > i.e., no hint< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > TargetVMs::find_with_hint< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > format< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > debug< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > format< / span > < span class = "plain-syntax" > ) == < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > format< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Inform6"< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > wanted_language< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > inter_architecture< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > wanted_arch< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > semantic_version_number< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wanted_version< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > VersionNumbers::null< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > linked_list< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > wanted_opts< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NEW_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "2-tvm.html#SP6_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Parse the text supplied into these variables< / span > < span class = "named-paragraph-number" > 6.1< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > wanted_arch< / span > < span class = "plain-syntax" > ) & & (< / span > < a href = "2-arc.html#SP6" class = "function-link" > < span class = "function-syntax" > Architectures::debug_enabled< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > wanted_arch< / span > < span class = "plain-syntax" > ))) < / span > < span class = "identifier-syntax" > debug< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "2-tvm.html#SP6_2" class = "named-paragraph-link" > < span class = "named-paragraph" > Try to find a VM which is a perfect match< / span > < span class = "named-paragraph-number" > 6.2< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "2-tvm.html#SP6_3" class = "named-paragraph-link" > < span class = "named-paragraph" > Try to find a VM which would be a match except for the options< / span > < span class = "named-paragraph-number" > 6.3< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "2-tvm.html#SP6_4" class = "named-paragraph-link" > < span class = "named-paragraph" > Try to find a VM in the now-deprecated old notation< / span > < span class = "named-paragraph-number" > 6.4< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP6_1" class = "paragraph-anchor" > < / a > < b > § 6.1. < / b > Format text is a list of criteria divided by slashes:
< / p >
< p class = "commentary" > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Parse the text supplied into these variables< / span > < span class = "named-paragraph-number" > 6.1< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > criterion< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_THROUGH_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pos< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > format< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::get< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pos< / span > < span class = "plain-syntax" > ) == < / span > < span class = "character-syntax" > '/'< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > criterion< / span > < span class = "plain-syntax" > ) > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) < / span > < span class = "named-paragraph-container code-font" > < a href = "2-tvm.html#SP6_1_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Accept criterion< / span > < span class = "named-paragraph-number" > 6.1.1< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::clear< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > criterion< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PUT_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > criterion< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > Str::get< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pos< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::len< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > criterion< / span > < span class = "plain-syntax" > ) > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) < / span > < span class = "named-paragraph-container code-font" > < a href = "2-tvm.html#SP6_1_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Accept criterion< / span > < span class = "named-paragraph-number" > 6.1.1< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > DISCARD_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > criterion< / span > < span class = "plain-syntax" > )< / span >
< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "2-tvm.html#SP6" > § 6< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP6_1_1" class = "paragraph-anchor" > < / a > < b > § 6.1.1. < / b > The first criterion is the only compulsory one, and must be something like
< span class = "extract" > < span class = "extract-syntax" > Inform6< / span > < / span > or < span class = "extract" > < span class = "extract-syntax" > C< / span > < / span > . After that, any criterion in the form of an architecture code,
like < span class = "extract" > < span class = "extract-syntax" > 32d< / span > < / span > , is interpreted as such; and any criterion opening with < span class = "extract" > < span class = "extract-syntax" > v< / span > < / span > plus a
digit is read as a semantic version number. If any criteria are left after all
that, they are considered options (see above).
< / p >
< p class = "commentary" > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Accept criterion< / span > < span class = "named-paragraph-number" > 6.1.1< / span > < / span > < span class = "comment-syntax" > =< / span >
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > wanted_language< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > wanted_language< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Str::duplicate< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > criterion< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > inter_architecture< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > arch< / span > < span class = "plain-syntax" > = < / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::from_codename_with_hint< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > criterion< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > debug< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > arch< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > wanted_arch< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > arch< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (((< / span > < span class = "identifier-syntax" > Str::get_at< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > criterion< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) == < / span > < span class = "character-syntax" > 'v'< / span > < span class = "plain-syntax" > ) || (< / span > < span class = "identifier-syntax" > Str::get_at< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > criterion< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) == < / span > < span class = "character-syntax" > 'V'< / span > < span class = "plain-syntax" > )) & & < / span >
< span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Characters::isdigit< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::get_at< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > criterion< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > )))) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::delete_first_character< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > criterion< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wanted_version< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > VersionNumbers::from_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > criterion< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ADD_TO_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::duplicate< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > criterion< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > wanted_opts< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "2-tvm.html#SP6_1" > § 6.1< / a > (twice).< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP6_2" class = "paragraph-anchor" > < / a > < b > § 6.2. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Try to find a VM which is a perfect match< / span > < span class = "named-paragraph-number" > 6.2< / span > < / span > < span class = "comment-syntax" > =< / span >
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > result< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_OVER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > Str::eq_insensitive< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > transpiler_family< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > wanted_language< / span > < span class = "plain-syntax" > )) & & < / span >
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< span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > wanted_arch< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) || (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > architecture< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > wanted_arch< / span > < span class = "plain-syntax" > )) & & < / span >
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< span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > debug< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NOT_APPLICABLE< / span > < span class = "plain-syntax" > ) || (< / span > < a href = "2-tvm.html#SP9" class = "function-link" > < span class = "function-syntax" > TargetVMs::debug_enabled< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ) == < / span > < span class = "identifier-syntax" > debug< / span > < span class = "plain-syntax" > )) & & < / span >
< span class = "plain-syntax" > (< / span > < a href = "2-tvm.html#SP7" class = "function-link" > < span class = "function-syntax" > TargetVMs::versions_match< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > wanted_version< / span > < span class = "plain-syntax" > )) & & < / span >
< span class = "plain-syntax" > (< / span > < a href = "2-tvm.html#SP8" class = "function-link" > < span class = "function-syntax" > TargetVMs::options_match< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > wanted_opts< / span > < span class = "plain-syntax" > )))< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > result< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > result< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > result< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "2-tvm.html#SP6" > § 6< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP6_3" class = "paragraph-anchor" > < / a > < b > § 6.3. < / b > If we're given, say, < span class = "extract" > < span class = "extract-syntax" > C/32d/no-pointer-nonsense< / span > < / span > and we can't find that exact
thing, but can find < span class = "extract" > < span class = "extract-syntax" > C/32d< / span > < / span > , then we construct a variant of it which does have
the option < span class = "extract" > < span class = "extract-syntax" > no-pointer-nonsense< / span > < / span > and return that.
< / p >
< p class = "commentary" > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Try to find a VM which would be a match except for the options< / span > < span class = "named-paragraph-number" > 6.3< / span > < / span > < span class = "comment-syntax" > =< / span >
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > result< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_OVER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > Str::eq_insensitive< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > transpiler_family< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > wanted_language< / span > < span class = "plain-syntax" > )) & & < / span >
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< span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > wanted_arch< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) || (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > architecture< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > wanted_arch< / span > < span class = "plain-syntax" > )) & & < / span >
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< span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > debug< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NOT_APPLICABLE< / span > < span class = "plain-syntax" > ) || (< / span > < a href = "2-tvm.html#SP9" class = "function-link" > < span class = "function-syntax" > TargetVMs::debug_enabled< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ) == < / span > < span class = "identifier-syntax" > debug< / span > < span class = "plain-syntax" > )) & & < / span >
< span class = "plain-syntax" > (< / span > < a href = "2-tvm.html#SP7" class = "function-link" > < span class = "function-syntax" > TargetVMs::versions_match< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > wanted_version< / span > < span class = "plain-syntax" > )))< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > result< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > result< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "2-tvm.html#SP4" class = "function-link" > < span class = "function-syntax" > TargetVMs::new_variant< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > result< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > wanted_opts< / span > < span class = "plain-syntax" > );< / span >
< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "2-tvm.html#SP6" > § 6< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP6_4" class = "paragraph-anchor" > < / a > < b > § 6.4. < / b > If we get here, we've failed to make any match using the modern notation.
< / p >
< p class = "commentary" > So next we try to deduce a VM from the given filename extension, which is the
clumsy way that VMs used to be referred to on the < a href = "../inform7/index.html" class = "internal" > inform7< / a > command line. For
example, < span class = "extract" > < span class = "extract-syntax" > -format=ulx< / span > < / span > produces < span class = "extract" > < span class = "extract-syntax" > Inform6/32< / span > < / span > or < span class = "extract" > < span class = "extract-syntax" > Inform6/32d< / span > < / span > (depending on
the < span class = "extract" > < span class = "extract-syntax" > debug< / span > < / span > hint).
< / p >
< p class = "commentary" > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Try to find a VM in the now-deprecated old notation< / span > < span class = "named-paragraph-number" > 6.4< / span > < / span > < span class = "comment-syntax" > =< / span >
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > result< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > file_extension< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::copy< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > file_extension< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > format< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::get_first_char< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > file_extension< / span > < span class = "plain-syntax" > ) == < / span > < span class = "character-syntax" > '.'< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::delete_first_character< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > file_extension< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_THROUGH_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pos< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > file_extension< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Str::put< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pos< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > Characters::tolower< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::get< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pos< / span > < span class = "plain-syntax" > )));< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_OVER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > Str::eq_insensitive< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > VM_unblorbed_extension< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > file_extension< / span > < span class = "plain-syntax" > )) & & < / span >
< span class = "plain-syntax" > (< / span > < a href = "2-tvm.html#SP9" class = "function-link" > < span class = "function-syntax" > TargetVMs::debug_enabled< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ) == < / span > < span class = "identifier-syntax" > debug< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > result< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > DISCARD_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > file_extension< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > result< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > STDOUT< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "(-format=%S is deprecated: try -format=%S/%S instead)\n"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > format< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > result< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > transpiler_family< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < a href = "2-arc.html#SP5" class = "function-link" > < span class = "function-syntax" > Architectures::to_codename< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > result< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > architecture< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > result< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "2-tvm.html#SP6" > § 6< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP7" class = "paragraph-anchor" > < / a > < b > § 7. < / b > Semantic version rules apply if the user supplies a format text with a given
version requirement. If the user asks for < span class = "extract" > < span class = "extract-syntax" > v3.1.0< / span > < / span > and we've got < span class = "extract" > < span class = "extract-syntax" > v3.1.2< / span > < / span > ,
no problem: there's a match. But < span class = "extract" > < span class = "extract-syntax" > v2.9.3< / span > < / span > or < span class = "extract" > < span class = "extract-syntax" > 3.2.1< / span > < / span > would not match.
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > TargetVMs::versions_match< / span > < button class = "popup" onclick = "togglePopup('usagePopup5')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup5" > Usage of < span class = "code-font" > < span class = "function-syntax" > TargetVMs::versions_match< / span > < / span > :< br / > < a href = "2-tvm.html#SP6_2" > § 6.2< / a > , < a href = "2-tvm.html#SP6_3" > § 6.3< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > semantic_version_number< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wanted< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VersionNumbers::is_null< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > wanted< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VersionNumberRanges::in_range< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > version< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VersionNumberRanges::compatibility_range< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > wanted< / span > < span class = "plain-syntax" > ))) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP8" class = "paragraph-anchor" > < / a > < b > § 8. < / b > That just leaves how to tell whether or not a VM has exactly the right options,
given that (a) there can be any number of them, including 0, and (b) they can
be specified in any order. Speed is unimportant here: in effect we test whether
two lists of options give rise to sets which are subsets of each other.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > TargetVMs::options_match< / span > < button class = "popup" onclick = "togglePopup('usagePopup6')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup6" > Usage of < span class = "code-font" > < span class = "function-syntax" > TargetVMs::options_match< / span > < / span > :< br / > < a href = "2-tvm.html#SP6_2" > § 6.2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > linked_list< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > supplied< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < a href = "2-tvm.html#SP8" class = "function-link" > < span class = "function-syntax" > TargetVMs::ll_of_text_is_subset< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > supplied< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > format_options< / span > < span class = "plain-syntax" > )) & & < / span >
< span class = "plain-syntax" > (< / span > < a href = "2-tvm.html#SP8" class = "function-link" > < span class = "function-syntax" > TargetVMs::ll_of_text_is_subset< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > format_options< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > supplied< / span > < span class = "plain-syntax" > )))< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > TargetVMs::ll_of_text_is_subset< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > linked_list< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > linked_list< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > B< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > opt< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_OVER_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > opt< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > found< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > opt2< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_OVER_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > opt2< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > B< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::eq< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > opt< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > opt2< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > found< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > found< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP9" class = "paragraph-anchor" > < / a > < b > § 9. Architectural provisions. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > TargetVMs::is_16_bit< / span > < button class = "popup" onclick = "togglePopup('usagePopup7')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup7" > Usage of < span class = "code-font" > < span class = "function-syntax" > TargetVMs::is_16_bit< / span > < / span > :< br / > Compatibility - < a href = "2-cmp.html#SP10_2" > § 10.2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "no VM"< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "2-arc.html#SP6" class = "function-link" > < span class = "function-syntax" > Architectures::is_16_bit< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > architecture< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > TargetVMs::debug_enabled< / span > < button class = "popup" onclick = "togglePopup('usagePopup8')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup8" > Usage of < span class = "code-font" > < span class = "function-syntax" > TargetVMs::debug_enabled< / span > < / span > :< br / > < a href = "2-tvm.html#SP6_2" > § 6.2< / a > , < a href = "2-tvm.html#SP6_3" > § 6.3< / a > , < a href = "2-tvm.html#SP6_4" > § 6.4< / a > < br / > Compatibility - < a href = "2-cmp.html#SP10_1" > § 10.1< / a > , < a href = "2-cmp.html#SP10_2" > § 10.2< / a > , < a href = "2-cmp.html#SP10_3" > § 10.3< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "no VM"< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "2-arc.html#SP6" class = "function-link" > < span class = "function-syntax" > Architectures::debug_enabled< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > architecture< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > TargetVMs::supports_floating_point< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "no VM"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > supports_floating_point< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > TargetVMs::allow_this_many_locals< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > N< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "no VM"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > max_locals< / span > < span class = "plain-syntax" > > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > max_locals< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > N< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > TargetVMs::allow_MAX_LOCAL_VARIABLES< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "no VM"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > max_locals< / span > < span class = "plain-syntax" > > < / span > < span class = "constant-syntax" > 15< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP10" class = "paragraph-anchor" > < / a > < b > § 10. File extension provisions. < / b > The normal or unblorbed file extension is just a hint for what would make a
natural filename for our output: for example, < span class = "extract" > < span class = "extract-syntax" > py< / span > < / span > would be a natural choice
for a Python VN, if there were one.
< / p >
< p class = "commentary" > When releasing a blorbed story file, the file extension used depends on the
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story file wrapped inside. (This is a dubious idea, in the opinion of
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the author of Inform — should not "blorb" be one unified wrapper? — but
that ship seems to have sailed.)
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< / p >
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< p class = "commentary" > Note that for VMs not using Inform 6, blorbing is essentially meaningless,
and then the blorbed extension may be the empty text.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > TargetVMs::get_transpiled_extension< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "no VM"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > transpiled_extension< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > TargetVMs::get_unblorbed_extension< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "no VM"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > VM_unblorbed_extension< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > TargetVMs::get_blorbed_extension< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "no VM"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > VM_blorbed_extension< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP11" class = "paragraph-anchor" > < / a > < b > § 11. < / b > This is the format name as expressed in an iFiction bibliographic record,
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where it's not meaningful to talk about debugging features or the number
of bits, and where it's currently not possible to express a VM version number.
< / p >
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2021-09-11 16:36:26 +03:00
< p class = "commentary" > It's also unclear what to write to this if we're compiling, say, an Inform 7
source text into C: the Treaty of Babel is unclear on that. For now, we write
< span class = "extract" > < span class = "extract-syntax" > Inform7+C< / span > < / span > .
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > TargetVMs::get_iFiction_format< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "no VM"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > iFiction_format_name< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > inter_architecture< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > TargetVMs::get_architecture< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "no VM"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > architecture< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP12" class = "paragraph-anchor" > < / a > < b > § 12. < / b > Different VMs have different in-browser interpreters, which means that
< a href = "../inblorb/index.html" class = "internal" > inblorb< / a > needs to be given different release instructions for them. If the
user doesn't specify any particular interpreter, she gets the following.
< / p >
< p class = "commentary" > On some platforms this will make no sense, and in those cases the function
will return the empty text.
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > TargetVMs::get_default_interpreter< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "no VM"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > default_browser_interpreter< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP13" class = "paragraph-anchor" > < / a > < b > § 13. Family compatibility. < / b > < / p >
2021-09-11 16:36:26 +03:00
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > TargetVMs::family< / span > < button class = "popup" onclick = "togglePopup('usagePopup9')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup9" > Usage of < span class = "code-font" > < span class = "function-syntax" > TargetVMs::family< / span > < / span > :< br / > Compatibility - < a href = "2-cmp.html#SP10_4" > § 10.4< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "no VM"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > transpiler_family< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > TargetVMs::compatible_with< / span > < button class = "popup" onclick = "togglePopup('usagePopup10')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup10" > Usage of < span class = "code-font" > < span class = "function-syntax" > TargetVMs::compatible_with< / span > < / span > :< br / > Compatibility - < a href = "2-cmp.html#SP10_1" > § 10.1< / a > , < a href = "2-cmp.html#SP10_3" > § 10.3< / a > , < a href = "2-cmp.html#SP10_4" > § 10.4< / a > , < a href = "2-cmp.html#SP10_5" > § 10.5< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > token< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Str::eq_insensitive< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > transpiler_family< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > token< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
2022-05-03 00:59:04 +03:00
< p class = "commentary firstcommentary" > < a id = "SP14" class = "paragraph-anchor" > < / a > < b > § 14. Options. < / b > Final code-generators can call this to see what special requests were made.
2021-09-14 01:38:46 +03:00
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "identifier-syntax" > linked_list< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > TargetVMs::option_list< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > target_vm< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "no VM"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VM< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > format_options< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< nav role = "progress" > < div class = "progresscontainer" >
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< ul class = "progressbar" > < li class = "progressprev" > < a href = "2-arc.html" > ❮ < / a > < / li > < li class = "progresschapter" > < a href = "P-wtmd.html" > P< / a > < / li > < li class = "progresschapter" > < a href = "1-am.html" > 1< / a > < / li > < li class = "progresscurrentchapter" > 2< / li > < li class = "progresssection" > < a href = "2-arc.html" > arc< / a > < / li > < li class = "progresscurrent" > tvm< / li > < li class = "progresssection" > < a href = "2-cmp.html" > cmp< / a > < / li > < li class = "progressnext" > < a href = "2-cmp.html" > ❯ < / a > < / li > < / ul > < / div >
2020-05-03 03:01:21 +03:00
< / nav > <!-- End of weave -->
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< / main >
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< / body >
< / html >
