fostr/trans/analysis.str
Glen Whitney 5cd75b8177
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feat: Initial statix assignment of types to expressions
2021-02-14 10:25:23 -08:00

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module analysis
signature
sorts
TYPE
constructors
INT : TYPE
STRING : TYPE
STREAM : TYPE
imports
statixruntime
statix/api
pp
injections/-
libspoofax/term/origin
desugar
rules // Analysis
// single-file analysis
editor-analyze = stx-editor-analyze(pre-analyze, post-analyze|"statics", "programOk")
// see docs/implementation.md for details on how to switch to multi-file analysis
// multi-file analysis
// editor-analyze = stx-editor-analyze(pre-analyze, post-analyze|"statics", "projectOk", "fileOk")
pre-analyze = desugar-fostr
; origin-track-forced(explicate-injections-fostr-Start)
post-analyze = origin-track-forced(implicate-injections-fostr-Start)
rules // Editor Services
editor-resolve = stx-editor-resolve
editor-hover = stx-editor-hover
rules // Debugging
// Prints the abstract syntax ATerm of a selection.
debug-show-aterm: (sel, _, _, path, projp) -> (filename, result)
with filename := <guarantee-extension(|"aterm")> path
; result := sel
// Prints the desugared abstract syntax ATerm of a selection.
debug-desugar-fostr: (sel, _, _, path, projp) -> (filename, result)
with filename := <guarantee-extension(|"desugared.aterm")> path
; result := <desugar-fostr> sel
// Prints the pre-analyzed abstract syntax ATerm of a selection.
debug-show-pre-analyzed: (sel, _, _, path, projp) -> (filename, result)
with filename := <guarantee-extension(|"pre-analyzed.aterm")> path
; result := <pre-analyze> sel
// Prints the analyzed annotated abstract syntax ATerm of a selection.
debug-show-analyzed: (sel, _, _, path, projp) -> (filename, result)
with filename := <guarantee-extension(|"analyzed.aterm")> path
; result := sel
// Extract the type assigned to a node by Statix
get-type: node -> type
where
// Assigns variable a to be the result of the Statix analysis of the entire program (or throws an error)
a := <stx-get-ast-analysis <+ fail-msg(|$[no analysis on node [<strip-annos;write-to-string> node]])>;
// Gets the type of the given node (or throws an error)
type := <stx-get-ast-type(|a) <+ fail-msg(|$[no type on node [<strip-annos;write-to-string> node]])> node
fail-msg(|msg) = err-msg(|$[get-type: [msg]]); fail
// Prints the analyzed type of a selection.
debug-show-type: (sel, _, _, path, projp) -> (filename, result)
with filename := <guarantee-extension(|"type.aterm")> path
; result := <get-type> sel