Fix/var end position - #13
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A constant declaration produced a node with no end position at all, so a consumer working in line ranges could not tell how far the declaration reached. That silently truncates any constant whose value spans lines: const Banner = 'first part ' + 'second part'; reported only the first line, and a tool slicing that range dropped the continuation. ntConstant was built with FStack.Push, so it was a plain TSyntaxNode with nowhere to record an end. Two changes are needed, because the node the caller finally sees is not the node that was parsed: ConstantDeclaration now pushes a compound node and records its end, the same way TypeDeclaration already does. This gives the intermediate ConstList an accurate extent. ConstSection rebuilds each constant from that ConstList, so it also has to push a compound node and inherit the end from it. The start still comes from the name, which is what a caller looking for the constant expects; only the end is new. TCompoundSyntaxNode.AssignEndPositionFrom is the counterpart to the existing AssignPositionFrom, for exactly this rebuild case. Single-line constants keep ending on their own line - the new test asserts both directions, since an end that ran on to the next declaration would be no more useful than one that stopped short. Verified against the existing suite: 42 passing, with the one pre-existing Serialization.BinaryRoundTrip failure unchanged (line_seq holds a pointer value that does not survive a round trip, unrelated to this change). Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Same gap as the previous commit, same shape of fix. A variable declaration produced a node positioned at its name with no end at all, so a declaration whose type or initialiser spans lines reported only its first line: var Grid: array[0..1] of Integer; VarDeclaration pushed ntVariables with FStack.Push, so the VarList that RearrangeVarSection rebuilds each variable from had no extent to pass on. Both now push compound nodes, and the rebuilt ntVariable inherits the end via AssignEndPositionFrom - the second caller for the helper added in the previous commit, which is the pattern it exists for. The compound ntVariables nodes are the throwaway VarSect children that VarSection frees, so the output footprint matches the constant change exactly: VARIABLE gains begin/end, and the VARIABLES section node that reaches the tree is untouched. Names sharing one line (`A, B: Integer;`) each get the declaration's extent, which is the whole declaration they share. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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