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Diffstat (limited to 'src/interp/serror.boot')
-rw-r--r-- | src/interp/serror.boot | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/interp/serror.boot b/src/interp/serror.boot new file mode 100644 index 00000000..0435e7ac --- /dev/null +++ b/src/interp/serror.boot @@ -0,0 +1,68 @@ +-- Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd. +-- All rights reserved. +-- Copyright (C) 2007, Gabriel Dos Reis. +-- All rights reserved. +-- +-- Redistribution and use in source and binary forms, with or without +-- modification, are permitted provided that the following conditions are +-- met: +-- +-- - Redistributions of source code must retain the above copyright +-- notice, this list of conditions and the following disclaimer. +-- +-- - Redistributions in binary form must reproduce the above copyright +-- notice, this list of conditions and the following disclaimer in +-- the documentation and/or other materials provided with the +-- distribution. +-- +-- - Neither the name of The Numerical ALgorithms Group Ltd. nor the +-- names of its contributors may be used to endorse or promote products +-- derived from this software without specific prior written permission. +-- +-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS +-- IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +-- TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +-- PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER +-- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +-- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +-- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +-- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +-- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +-- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +-- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +import '"posit" + +--% Functions to handle specific errors (mostly syntax) + +)package "BOOT" + +syGeneralErrorHere() == + sySpecificErrorHere('S2CY0002, []) + +sySpecificErrorHere(key, args) == + sySpecificErrorAtToken($stok, key, args) + +sySpecificErrorAtToken(tok, key, args) == + pos := tokPosn tok + ncSoftError(pos, key, args) + +syIgnoredFromTo(pos1, pos2) == + if pfGlobalLinePosn pos1 = pfGlobalLinePosn pos2 then + ncSoftError(FromTo(pos1,pos2), 'S2CY0005, []) + else + ncSoftError(From pos1, 'S2CY0003, []) + ncSoftError(To pos2, 'S2CY0004, []) + +npTrapForm(x)== + a:=pfSourceStok x + EQ(a,'NoToken)=> + syGeneralErrorHere() + THROW("TRAPPOINT","TRAPPED") + ncSoftError(tokPosn a, 'S2CY0002, []) + THROW("TRAPPOINT","TRAPPED") + +npTrap()== + ncSoftError(tokPosn $stok,'S2CY0002,[]) + THROW("TRAPPOINT","TRAPPED") + |