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CodeTokeniser.cpp
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CodeTokeniser.cpp
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#include "RadiantTest.h"
#include "parser/CodeTokeniser.h"
#include "parser/GuiTokeniser.h"
#include "testutil/TemporaryFile.h"
namespace test
{
using GuiTokeniser = RadiantTest;
inline void expectTokenSequence(parser::CodeTokeniser& tokeniser, std::vector<std::string> expectedTokens)
{
for (auto expectedToken = expectedTokens.begin(); expectedToken != expectedTokens.end(); ++expectedToken)
{
EXPECT_TRUE(tokeniser.hasMoreTokens()) << "Tokeniser ran out of tokens";
EXPECT_EQ(tokeniser.nextToken(), *expectedToken);
}
EXPECT_FALSE(tokeniser.hasMoreTokens()) << "Tokeniser should have no more tokens now";
}
constexpr const char* const TEMPORARY_GUI_FILE = "guis/temporary.gui";
inline void expectTokenSequence(const radiant::TestContext& context, const std::string& contents, std::vector<std::string> expectedTokens)
{
auto path = context.getTestProjectPath() + TEMPORARY_GUI_FILE;
TemporaryFile tempFile(path, contents);
auto file = GlobalFileSystem().openTextFile(TEMPORARY_GUI_FILE);
parser::GuiTokeniser tokeniser(file);
expectTokenSequence(tokeniser, expectedTokens);
}
TEST_F(GuiTokeniser, ParseWindowDef)
{
std::string contents = R"(
windowDef rightPageBackground {
rect -100, -10, 500, 400
background "guis/assets/background_right_01"
matcolor 1, 1, 1, 0
})";
expectTokenSequence(_context, contents,
{
"windowDef", "rightPageBackground",
"{",
"rect", "-","100",",","-", "10",",","500",",","400",
"background", "guis/assets/background_right_01",
"matcolor", "1",",","1",",","1",",","0",
"}",
});
}
// The game's GUI parser supports reading rect-100 values without whitespace separation
TEST_F(GuiTokeniser, ParseRectExpression)
{
std::string contents = R"(
windowDef rightPageBackground {
rect-100,-10, 500, 400
})";
expectTokenSequence(_context, contents,
{
"windowDef", "rightPageBackground",
"{",
"rect", "-","100",",","-","10",",","500",",","400",
"}",
});
}
TEST_F(GuiTokeniser, ParseOnTimeExpression)
{
std::string contents = R"(
onTime 0 {
if ("gui::worldDisplay" == 1)
{
set "title::forecolor" "0 0 0 1";
set "body::forecolor" "0 0 0 1";
}
set "title::text" "$gui::title";
})";
expectTokenSequence(_context, contents,
{
"onTime", "0",
"{",
"if", "(", "gui::worldDisplay","==","1",")",
"{",
"set", "title::forecolor", "0 0 0 1", ";",
"set", "body::forecolor", "0 0 0 1", ";",
"}",
"set", "title::text", "$gui::title", ";",
"}",
});
}
TEST_F(GuiTokeniser, ParseQuotes)
{
std::string contents = R"(
// Escaped double quotes
if ("gui::\"worldDisplay\"" == 1)
{
// Single quotes
set 'title::forecolor' "0 0 0 1";
// Single quotes containing double quotes
set 'body::"forecolor"' "0 0 0 1";
}
// Single quotes with escaped single quotes
set 'that\'s something' "$gui::title";
)";
expectTokenSequence(_context, contents,
{
"if", "(", "gui::\"worldDisplay\"","==","1",")",
"{",
"set", "title::forecolor", "0 0 0 1", ";",
"set", "body::\"forecolor\"", "0 0 0 1", ";",
"}",
"set", "that's something", "$gui::title", ";",
});
}
TEST_F(GuiTokeniser, ParseComparisonOperators)
{
expectTokenSequence(_context, R"("visible" > 1)", { "visible", ">", "1" });
expectTokenSequence(_context, R"("visible" < 1)", { "visible", "<", "1" });
expectTokenSequence(_context, R"("visible" >= 1)", { "visible", ">=", "1" });
expectTokenSequence(_context, R"("visible" <= 1)", { "visible", "<=", "1" });
expectTokenSequence(_context, R"("visible" != 1)", { "visible", "!=", "1" });
expectTokenSequence(_context, R"("visible" == 1)", { "visible", "==", "1" });
// Without whitespace
expectTokenSequence(_context, R"("visible">1)", { "visible", ">", "1" });
expectTokenSequence(_context, R"("visible"<1)", { "visible", "<", "1" });
expectTokenSequence(_context, R"("visible">=1)", { "visible", ">=", "1" });
expectTokenSequence(_context, R"("visible"<=1)", { "visible", "<=", "1" });
expectTokenSequence(_context, R"("visible"!=1)", { "visible", "!=", "1" });
expectTokenSequence(_context, R"("visible"==1)", { "visible", "==", "1" });
// This is semantic garbage but the parser should pick something up
expectTokenSequence(_context, R"("visible">>1)", { "visible", ">", ">", "1" });
expectTokenSequence(_context, R"("visible" > >1)", { "visible", ">", ">", "1" });
expectTokenSequence(_context, R"("visible" > > 1)", { "visible", ">", ">", "1" });
expectTokenSequence(_context, R"("visible" <>= 1)", { "visible", "<", ">=", "1" });
expectTokenSequence(_context, R"("visible"<>=1)", { "visible", "<", ">=", "1" });
// With some parentheses around it
expectTokenSequence(_context, R"(("visible"==1))", { "(", "visible", "==", "1", ")" });
}
TEST_F(GuiTokeniser, ParseMathOperators)
{
expectTokenSequence(_context, R"("width"*3)", { "width", "*", "3" });
expectTokenSequence(_context, R"("width"*-3)", { "width", "*", "-", "3" });
expectTokenSequence(_context, R"(3*width+4)", { "3", "*", "width", "+", "4" });
expectTokenSequence(_context, R"(3%width+4)", { "3", "%", "width", "+", "4" });
expectTokenSequence(_context, R"("width" - -3)", { "width", "-", "-", "3" });
expectTokenSequence(_context, R"('gui::test' - (-3+7.1))", { "gui::test", "-", "(", "-", "3", "+", "7.1", ")" });
expectTokenSequence(_context, R"(3||6+4)", { "3", "||", "6", "+", "4" });
expectTokenSequence(_context, R"(3||6&&4)", { "3", "||", "6", "&&", "4" });
expectTokenSequence(_context, R"(3 || -6 && 4)", { "3", "||", "-", "6", "&&", "4" });
expectTokenSequence(_context, R"(3 < 6.4)", { "3", "<", "6.4" });
expectTokenSequence(_context, R"(3<6.4)", { "3", "<", "6.4" });
expectTokenSequence(_context, R"(3/5)", { "3", "/", "5" });
expectTokenSequence(_context, R"(3/-5)", { "3", "/", "-", "5" });
expectTokenSequence(_context, R"(3/5)", { "3", "/", "5" });
expectTokenSequence(_context, R"("visible" = 3 > 0)", { "visible", "=", "3", ">", "0" });
expectTokenSequence(_context, R"(rect ("gui::ingame" ? 0 : 50), -75, 640, 640)",
{ "rect","(","gui::ingame","?","0",":","50",")",",","-", "75",",","640",",","640" });
expectTokenSequence(_context, R"(rect ("gui::ingame"?0:50), -75, 640, 640)",
{ "rect","(","gui::ingame","?","0",":","50",")",",","-","75",",","640",",","640" });
expectTokenSequence(_context, R"("gui::av_in_progress" == 0 && "exit" == 0)",
{ "gui::av_in_progress","==","0","&&","exit","==","0" });
}
TEST_F(GuiTokeniser, ParseMacroExpansion)
{
std::string contents = R"(
#define POS_START_X 40
#define SIZE_MULTIPLIER 1
#define SUB_WINDOW(Name, Type, VisibleCheck) Type Name \
{\
rect POS_START_X*SIZE_MULTIPLIER,50,60,70\
visible VisibleCheck\
}
#define fullWindow(parent, start, objvisible, box, objtext)\
windowDef parent\
{\
rect POS_START_X, start, 490, 16\
visible objvisible\
SUB_WINDOW(box, windowDef, objvisible)\
text objtext\
}
#define exampleText "#str_02925"
fullWindow(Obj_t1_parent, 10, "gui::NumObjectivesPerPage" >= 1, Objbox_t1, exampleText)
)";
expectTokenSequence(_context, contents,
{
"windowDef", "Obj_t1_parent",
"{",
"rect", "40",",","10",",","490",",","16",
"visible","gui::NumObjectivesPerPage",">=", "1",
"windowDef", "Objbox_t1",
"{",
"rect","40","*","1",",","50",",","60",",","70",
"visible","gui::NumObjectivesPerPage",">=", "1",
"}",
"text","#str_02925",
"}",
});
}
TEST_F(GuiTokeniser, ParseObjectivesMacroExpansion)
{
// Taken from TDM's objectives menu
std::string contents = R"(
#define POS_START_X 40
#define SIZE_MULTIPLIER 1
#define POS_OBJ1_START_Y 10
#define objectiveExample(parent, start, objvisible, box, obj, objtext)\
windowDef parent\
{\
rect POS_START_X, start, 490, 16\
visible objvisible\
windowDef box\
{\
rect 0, -5, 32*SIZE_MULTIPLIER, 32*SIZE_MULTIPLIER\
bordercolor 1,1,1,1\
visible 1}\
windowDef obj\
{\
rect 25*SIZE_MULTIPLIER, 0, 430, 60*SIZE_MULTIPLIER*SIZE_MULTIPLIER\
bordercolor 1,1,1,1\
text objtext\
visible 1\
}\
}
#define exampleText "#str_02925" // This is an example text to illustrate the size of the objectives text.
objectiveExample(Obj_t1_parent, POS_OBJ1_START_Y, "gui::NumObjectivesPerPage" >= 1, Objbox_t1, Obj_t1, exampleText)
)";
expectTokenSequence(_context, contents,
{
"windowDef", "Obj_t1_parent",
"{",
"rect", "40",",","10",",","490",",","16",
"visible","gui::NumObjectivesPerPage",">=", "1",
"windowDef", "Objbox_t1",
"{",
"rect","0",",","-","5",",","32","*","1",",","32","*","1",
"bordercolor","1",",","1",",","1",",","1",
"visible","1",
"}",
"windowDef", "Obj_t1",
"{",
"rect","25","*","1",",","0",",","430",",","60","*","1","*","1",
"bordercolor","1",",","1",",","1",",","1",
"text","#str_02925",
"visible","1",
"}",
"}",
});
}
TEST_F(GuiTokeniser, PreprocessorDirectives)
{
// The file contains a couple of preprocessor expressions
auto file = GlobalFileSystem().openTextFile("guis/parse_test2.gui");
parser::GuiTokeniser tokeniser(file);
expectTokenSequence(tokeniser,
{
"windowDef", "Contents",
"{",
"forceaspectwidth", "633",
"forceaspectheight", "211",
"windowDef", "IncludedWindow",
"{",
"rect", "0",",","0",",","640",",","480",
"}",
"}",
"windowDef", "ThisShouldAppear", "{", "}",
"windowDef", "ThisShouldAppearAsWell", "{", "}"
});
}
}