Add Tests for ZCG cpp

2025-06-13 00:08:26 -05:00 · 2021-02-10 18:03:50 +01:00
parent 31497d804c
commit f9ef7cc35b
102 changed files with 502 additions and 21 deletions
--- a/src/ZoneCodeGeneratorLib/Parsing/Impl/IncludingStreamProxy.cpp
+++ b/src/ZoneCodeGeneratorLib/Parsing/Impl/IncludingStreamProxy.cpp
@ -0,0 +1,125 @@
+#include "IncludingStreamProxy.h"
+
+#include <sstream>
+
+#include "Parsing/ParsingException.h"
+
+IncludingStreamProxy::IncludingStreamProxy(IParserLineStream* stream)
+    : m_stream(stream)
+{
+}
+
+bool IncludingStreamProxy::FindIncludeDirective(const ParserLine& line, unsigned& includeDirectivePosition)
+{
+    includeDirectivePosition = 0;
+    for (; includeDirectivePosition < line.m_line.size() - INCLUDE_DIRECTIVE_MINIMUM_TOTAL_LENGTH; includeDirectivePosition++)
+    {
+        const auto c = line.m_line[includeDirectivePosition];
+
+        if (isspace(c))
+            continue;
+
+        if (c != '#')
+            return false;
+
+        if (line.m_line.compare(includeDirectivePosition + 1, INCLUDE_DIRECTIVE_LENGTH, INCLUDE_DIRECTIVE) != 0)
+        {
+            return false;
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+bool IncludingStreamProxy::ExtractIncludeFilename(const ParserLine& line, const unsigned includeDirectivePosition, unsigned& filenameStartPosition, unsigned& filenameEndPosition)
+{
+    auto currentPos = includeDirectivePosition;
+    bool isDoubleQuotes;
+    if (line.m_line[currentPos] == '"')
+        isDoubleQuotes = true;
+    else if (line.m_line[currentPos] == '<')
+        isDoubleQuotes = false;
+    else
+        throw ParsingException(TokenPos(line.m_filename, line.m_line_number, currentPos), INCLUDE_QUOTES_ERROR);
+
+    filenameStartPosition = ++currentPos;
+    filenameEndPosition = 0;
+
+    for (; currentPos < line.m_line.size(); currentPos++)
+    {
+        const auto c = line.m_line[currentPos];
+
+        if (c == '"')
+        {
+            if (!isDoubleQuotes)
+                throw ParsingException(TokenPos(line.m_filename, line.m_line_number, currentPos), "");
+            filenameEndPosition = currentPos;
+            return true;
+        }
+
+        if (c == '>')
+        {
+            if (isDoubleQuotes)
+                throw ParsingException(TokenPos(line.m_filename, line.m_line_number, currentPos), INCLUDE_QUOTES_ERROR);
+            filenameEndPosition = currentPos;
+            return true;
+        }
+    }
+
+    return false;
+}
+
+bool IncludingStreamProxy::MatchIncludeDirective(const ParserLine& line) const
+{
+    unsigned includeDirectivePos;
+
+    if (!FindIncludeDirective(line, includeDirectivePos))
+        return false;
+
+    const auto currentPos = includeDirectivePos + INCLUDE_DIRECTIVE_LENGTH + 1;
+    unsigned filenameStart, filenameEnd;
+
+    if(!ExtractIncludeFilename(line, currentPos, filenameStart, filenameEnd))
+        throw ParsingException(TokenPos(line.m_filename, line.m_line_number, currentPos), INCLUDE_QUOTES_ERROR);
+
+    if(filenameEnd <= filenameStart)
+        throw ParsingException(TokenPos(line.m_filename, line.m_line_number, currentPos), "No filename specified");
+
+    const auto filename = line.m_line.substr(filenameStart, filenameEnd - filenameStart);
+
+    if(!m_stream->IncludeFile(filename))
+    {
+        std::ostringstream errorStr;
+        errorStr << "Could not include file \"" << filename << "\"";
+        throw ParsingException(TokenPos(line.m_filename, line.m_line_number, currentPos), errorStr.str());
+    }
+
+    return true;
+}
+
+ParserLine IncludingStreamProxy::NextLine()
+{
+    auto line = m_stream->NextLine();
+
+    if (MatchIncludeDirective(line))
+        return m_stream->NextLine();
+
+    return line;
+}
+
+bool IncludingStreamProxy::IncludeFile(const std::string& filename)
+{
+    return m_stream->IncludeFile(filename);
+}
+
+bool IncludingStreamProxy::IsOpen() const
+{
+    return m_stream->IsOpen();
+}
+
+bool IncludingStreamProxy::Eof() const
+{
+    return m_stream->Eof();
+}