From 3932995edee46a61ccddac24104b796cbdfc7bfb Mon Sep 17 00:00:00 2001 From: loki der quaeler <quaeler@gmail.com> Date: Thu, 13 Feb 2020 11:16:30 -0800 Subject: [PATCH] Improving TLC error message for temporal existential quantifier in spec - #304 . Adding the temporal for-all case as well; message displayed now reads: "TLC does not support temporal existential, nor universal, quantification over state variables." [Enhancement][Tools] --- tlatools/src/tlc2/output/MP.java | 2 +- tlatools/src/tlc2/tool/impl/SpecProcessor.java | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/tlatools/src/tlc2/output/MP.java b/tlatools/src/tlc2/output/MP.java index 83a6fb199..51672a15f 100644 --- a/tlatools/src/tlc2/output/MP.java +++ b/tlatools/src/tlc2/output/MP.java @@ -725,7 +725,7 @@ public class MP break; case EC.TLC_SPECIFICATION_FEATURES_TEMPORAL_EXISTS: - b.append("TLC does not support temporal existential quantification over state variables."); + b.append("TLC does not support temporal existential, nor universal, quantification over state variables."); break; /* ************************************************************************ */ case EC.TLC_MODULE_TLCGET_UNDEFINED: diff --git a/tlatools/src/tlc2/tool/impl/SpecProcessor.java b/tlatools/src/tlc2/tool/impl/SpecProcessor.java index 5249ba9f5..fed019f39 100644 --- a/tlatools/src/tlc2/tool/impl/SpecProcessor.java +++ b/tlatools/src/tlc2/tool/impl/SpecProcessor.java @@ -1051,7 +1051,7 @@ public class SpecProcessor implements ValueConstants, ToolGlobals { } int opcode = BuiltInOPs.getOpCode(pred1.getOperator().getName()); - if (opcode == OPCODE_te) + if ((opcode == OPCODE_te) || (opcode == OPCODE_tf)) { Assert.fail(EC.TLC_SPECIFICATION_FEATURES_TEMPORAL_EXISTS); } -- GitLab