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Minor refactor of context rules #130

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Minor refactor of context rules #130

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19 changes: 13 additions & 6 deletions spectec/spec/wasm-3.0/8-reduction.watsup
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Original file line number Diff line number Diff line change
Expand Up @@ -39,10 +39,13 @@ rule Eval_expr:

;; Context

rule Step/ctxt-vals:
z; val+ instr* ~> z'; val+ instr'*
-- Step: z; instr* ~> z'; instr'*

rule Step/ctxt-instrs:
z; val* instr* instr_1* ~> z'; val* instr'* instr_1*
z; instr* instr_1+ ~> z'; instr'* instr_1+
-- Step: z; instr* ~> z'; instr'*
-- if val* =/= eps \/ instr_1* =/= eps

rule Step/ctxt-label:
z; (LABEL_ n `{instr_0*} instr*) ~> z'; (LABEL_ n `{instr_0*} instr'*)
Expand Down Expand Up @@ -244,9 +247,11 @@ rule Step/throw:
rule Step_read/throw_ref-null:
z; (REF.NULL ht) THROW_REF ~> TRAP

rule Step_read/throw_ref-vals:
z; val+ (REF.EXN_ADDR a) THROW_REF ~> (REF.EXN_ADDR a) THROW_REF

rule Step_read/throw_ref-instrs:
z; val* (REF.EXN_ADDR a) THROW_REF instr* ~> (REF.EXN_ADDR a) THROW_REF
-- if val* =/= eps \/ instr* =/= eps
z; (REF.EXN_ADDR a) THROW_REF instr+ ~> (REF.EXN_ADDR a) THROW_REF

rule Step_read/throw_ref-label:
z; (LABEL_ n `{instr'*} (REF.EXN_ADDR a) THROW_REF) ~> (REF.EXN_ADDR a) THROW_REF
Expand Down Expand Up @@ -288,9 +293,11 @@ rule Step_pure/handler-vals:

;; Traps

rule Step_pure/trap-vals:
val+ TRAP ~> TRAP

rule Step_pure/trap-instrs:
val* TRAP instr* ~> TRAP
-- if val* =/= eps \/ instr* =/= eps
TRAP instr+ ~> TRAP

rule Step_pure/trap-label:
(LABEL_ n `{instr'*} TRAP) ~> TRAP
Expand Down
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