essence-os/apps/script_console.cpp

980 lines
32 KiB
C++

#define ES_INSTANCE_TYPE Instance
#include <essence.h>
#include <shared/array.cpp>
struct Instance : EsInstance {
EsCommand commandClearOutput;
EsThreadInformation scriptThread;
char *inputText;
size_t inputBytes;
EsPanel *root;
EsElement *defaultPrefixDisplay;
EsPanel *inputRow;
EsPanel *outputPanel;
EsSpacer *outputDecoration;
EsTextbox *inputTextbox;
char *outputLineBuffer;
size_t outputLineBufferBytes;
size_t outputLineBufferAllocated;
bool anyOutput;
bool gotREPLResult;
Array<EsElement *> outputElements;
};
void AddPrompt(Instance *instance);
void AddOutput(Instance *instance, const char *text, size_t textBytes);
// --------------------------------- Script engine interface.
#define Assert EsAssert
#include <util/script.c>
void **fixedAllocationBlocks;
uint8_t *fixedAllocationCurrentBlock;
uintptr_t fixedAllocationCurrentPosition;
size_t fixedAllocationCurrentSize;
EsDirectoryChild *directoryIterationBuffer;
uintptr_t directoryIterationBufferPosition;
size_t directoryIterationBufferCount;
Instance *scriptInstance;
void *AllocateFixed(size_t bytes) {
if (!bytes) {
return nullptr;
}
bytes = (bytes + sizeof(uintptr_t) - 1) & ~(sizeof(uintptr_t) - 1);
if (bytes >= fixedAllocationCurrentSize || fixedAllocationCurrentPosition >= fixedAllocationCurrentSize - bytes) {
fixedAllocationCurrentSize = bytes > 1048576 ? bytes : 1048576;
fixedAllocationCurrentPosition = 0;
fixedAllocationCurrentBlock = (uint8_t *) EsCRTcalloc(1, fixedAllocationCurrentSize + sizeof(void *));
if (!fixedAllocationCurrentBlock) {
// TODO.
EsAssert(false);
}
*(void **) fixedAllocationCurrentBlock = fixedAllocationBlocks;
fixedAllocationBlocks = (void **) fixedAllocationCurrentBlock;
fixedAllocationCurrentBlock += sizeof(void *);
}
void *p = fixedAllocationCurrentBlock + fixedAllocationCurrentPosition;
fixedAllocationCurrentPosition += bytes;
return p;
}
void *AllocateResize(void *old, size_t bytes) {
return EsCRTrealloc(old, bytes);
}
int MemoryCompare(const void *a, const void *b, size_t bytes) {
return EsCRTmemcmp(a, b, bytes);
}
void MemoryCopy(void *a, const void *b, size_t bytes) {
EsMemoryCopy(a, b, bytes);
}
size_t PrintIntegerToBuffer(char *buffer, size_t bufferBytes, int64_t i) {
EsCRTsnprintf(buffer, bufferBytes, "%ld", i);
return EsCRTstrlen(buffer);
}
size_t PrintFloatToBuffer(char *buffer, size_t bufferBytes, double f) {
EsCRTsnprintf(buffer, bufferBytes, "%f", f);
return EsCRTstrlen(buffer);
}
void PrintDebug(const char *format, ...) {
va_list arguments;
va_start(arguments, format);
char buffer[256];
EsCRTvsnprintf(buffer, sizeof(buffer), format, arguments);
AddOutput(scriptInstance, buffer, EsCStringLength(buffer));
va_end(arguments);
}
void PrintError(Tokenizer *tokenizer, const char *format, ...) {
PrintDebug("Error on line %d of '%s':\n", (int) tokenizer->line, tokenizer->module->path);
va_list arguments;
va_start(arguments, format);
char buffer[256];
EsCRTvsnprintf(buffer, sizeof(buffer), format, arguments);
AddOutput(scriptInstance, buffer, EsCStringLength(buffer));
va_end(arguments);
PrintLine(tokenizer->module, tokenizer->line);
}
void PrintError2(Tokenizer *tokenizer, Node *node, const char *format, ...) {
PrintDebug("Error on line %d of '%s':\n", (int) node->token.line, tokenizer->module->path);
va_list arguments;
va_start(arguments, format);
char buffer[256];
EsCRTvsnprintf(buffer, sizeof(buffer), format, arguments);
AddOutput(scriptInstance, buffer, EsCStringLength(buffer));
va_end(arguments);
PrintLine(tokenizer->module, node->token.line);
}
void PrintError3(const char *format, ...) {
PrintDebug("General error:\n");
va_list arguments;
va_start(arguments, format);
char buffer[256];
EsCRTvsnprintf(buffer, sizeof(buffer), format, arguments);
AddOutput(scriptInstance, buffer, EsCStringLength(buffer));
va_end(arguments);
}
void PrintError4(ExecutionContext *context, uint32_t instructionPointer, const char *format, ...) {
LineNumber lineNumber = { 0 };
LineNumberLookup(context, instructionPointer, &lineNumber);
PrintDebug("Runtime error on line %d of '%s':\n", (int) lineNumber.lineNumber,
lineNumber.importData ? lineNumber.importData->path : "??");
va_list arguments;
va_start(arguments, format);
char buffer[256];
EsCRTvsnprintf(buffer, sizeof(buffer), format, arguments);
AddOutput(scriptInstance, buffer, EsCStringLength(buffer));
PrintLine(lineNumber.importData, lineNumber.lineNumber);
PrintDebug("Back trace:\n");
PrintBackTrace(context, instructionPointer, context->c, "");
}
void *FileLoad(const char *path, size_t *length) {
return EsFileReadAll(path, -1, length);
}
CoroutineState *ExternalCoroutineWaitAny(ExecutionContext *context) {
(void) context;
EsAssert(false); // TODO.
return nullptr;
}
int ExternalPrintStdErr(ExecutionContext *context, Value *returnValue) {
(void) returnValue;
STACK_POP_STRING(entryText, entryBytes);
AddOutput(scriptInstance, entryText, entryBytes);
return 1;
}
int ExternalPrintStdErrWarning(ExecutionContext *context, Value *returnValue) {
return ExternalPrintStdErr(context, returnValue);
}
int ExternalPrintStdErrHighlight(ExecutionContext *context, Value *returnValue) {
return ExternalPrintStdErr(context, returnValue);
}
int ExternalSystemSleepMs(ExecutionContext *context, Value *returnValue) {
(void) returnValue;
if (context->c->stackPointer < 1) return -1;
int64_t ms = context->c->stack[--context->c->stackPointer].i;
if (ms > 0) EsSleep(ms);
return 1;
}
int ExternalSystemGetHostName(ExecutionContext *context, Value *returnValue) {
(void) context;
RETURN_STRING_COPY("Essence", 7);
return 3;
}
int ExternalSystemRunningAsAdministrator(ExecutionContext *context, Value *returnValue) {
(void) context;
returnValue->i = 0;
return 2;
}
int ExternalSystemGetProcessorCount(ExecutionContext *context, Value *returnValue) {
(void) context;
returnValue->i = EsSystemGetOptimalWorkQueueThreadCount();
return 2;
}
int ExternalRandomInt(ExecutionContext *context, Value *returnValue) {
if (context->c->stackPointer < 2) return -1;
int64_t min = context->c->stack[context->c->stackPointer - 1].i;
int64_t max = context->c->stack[context->c->stackPointer - 2].i;
if (max < min) { PrintError4(context, 0, "RandomInt() called with maximum limit (%ld) less than the minimum limit (%ld).\n", max, min); return 0; }
returnValue->i = EsRandomU64() % (max - min + 1) + min;
context->c->stackPointer -= 2;
return 2;
}
int ExternalPathCreateDirectory(ExecutionContext *context, Value *returnValue) {
(void) returnValue;
STACK_POP_STRING(entryText, entryBytes);
EsError error = EsPathCreate(entryText, entryBytes, ES_NODE_DIRECTORY, false);
returnValue->i = error == ES_SUCCESS || error == ES_ERROR_ALREADY_EXISTS;
return 2;
}
int ExternalPathExists(ExecutionContext *context, Value *returnValue) {
(void) returnValue;
STACK_POP_STRING(entryText, entryBytes);
returnValue->i = EsPathExists(entryText, entryBytes) ? 1 : 0;
return 2;
}
int ExternalPathIsFile(ExecutionContext *context, Value *returnValue) {
(void) returnValue;
STACK_POP_STRING(entryText, entryBytes);
EsNodeType type;
returnValue->i = EsPathExists(entryText, entryBytes, &type) ? 1 : 0;
if (type != ES_NODE_FILE) returnValue->i = 0;
return 2;
}
int ExternalPathIsDirectory(ExecutionContext *context, Value *returnValue) {
(void) returnValue;
STACK_POP_STRING(entryText, entryBytes);
EsNodeType type;
returnValue->i = EsPathExists(entryText, entryBytes, &type) ? 1 : 0;
if (type != ES_NODE_DIRECTORY) returnValue->i = 0;
return 2;
}
int ExternalPathIsLink(ExecutionContext *context, Value *returnValue) {
(void) returnValue;
STACK_POP_STRING(entryText, entryBytes);
returnValue->i = 0;
return 2;
}
int ExternalPathMove(ExecutionContext *context, Value *returnValue) {
(void) returnValue;
STACK_POP_STRING_2(entryText, entryBytes, entry2Text, entry2Bytes);
returnValue->i = EsPathMove(entryText, entryBytes, entry2Text, entry2Bytes) == ES_SUCCESS;
return 2;
}
int ExternalPathDelete(ExecutionContext *context, Value *returnValue) {
(void) returnValue;
STACK_POP_STRING(entryText, entryBytes);
returnValue->i = EsPathDelete(entryText, entryBytes) == ES_SUCCESS;
return 2;
}
int ExternalFileReadAll(ExecutionContext *context, Value *returnValue) {
STACK_POP_STRING(entryText, entryBytes);
returnValue->i = 0;
size_t length = 0;
void *data = EsFileReadAll(entryText, entryBytes, &length); // Free with EsHeapFree.
if (!data) return 3;
RETURN_STRING_NO_COPY((char *) data, length);
return 3;
}
int ExternalFileWriteAll(ExecutionContext *context, Value *returnValue) {
STACK_POP_STRING_2(entryText, entryBytes, entry2Text, entry2Bytes);
returnValue->i = EsFileWriteAll(entryText, entryBytes, entry2Text, entry2Bytes) == ES_SUCCESS;
return 2;
}
int ExternalFileAppend(ExecutionContext *context, Value *returnValue) {
STACK_POP_STRING_2(entryText, entryBytes, entry2Text, entry2Bytes);
returnValue->i = 0;
EsFileInformation information = EsFileOpen(entryText, entryBytes, ES_FILE_WRITE);
if (information.error == ES_SUCCESS) {
returnValue->i = EsFileWriteSync(information.handle, information.size, entry2Bytes, entry2Text);
EsHandleClose(information.handle);
}
return 2;
}
int ExternalFileGetSize(ExecutionContext *context, Value *returnValue) {
STACK_POP_STRING(entryText, entryBytes);
EsDirectoryChild information;
bool exists = EsPathQueryInformation(entryText, entryBytes, &information);
returnValue->i = exists && information.type == ES_NODE_FILE ? information.fileSize : -1;
return 2;
}
int ExternalFileCopy(ExecutionContext *context, Value *returnValue) {
STACK_POP_STRING_2(entryText, entryBytes, entry2Text, entry2Bytes);
returnValue->i = EsFileCopy(entryText, entryBytes, entry2Text, entry2Bytes) == ES_SUCCESS;
return 2;
}
int External_DirectoryInternalStartIteration(ExecutionContext *context, Value *returnValue) {
STACK_POP_STRING(entryText, entryBytes);
EsHeapFree(directoryIterationBuffer);
EsError error;
directoryIterationBuffer = EsDirectoryEnumerateChildren(entryText, entryBytes, &directoryIterationBufferCount, &error);
returnValue->i = error == ES_SUCCESS ? 1 : 0;
directoryIterationBufferPosition = 0;
return 2;
}
int External_DirectoryInternalEndIteration(ExecutionContext *context, Value *returnValue) {
(void) context;
(void) returnValue;
EsHeapFree(directoryIterationBuffer);
directoryIterationBuffer = nullptr;
directoryIterationBufferPosition = 0;
directoryIterationBufferCount = 0;
return 1;
}
int External_DirectoryInternalNextIteration(ExecutionContext *context, Value *returnValue) {
(void) context;
if (directoryIterationBufferPosition == directoryIterationBufferCount) {
returnValue->i = 0;
} else {
RETURN_STRING_COPY(directoryIterationBuffer[directoryIterationBufferPosition].name,
directoryIterationBuffer[directoryIterationBufferPosition].nameBytes);
directoryIterationBufferPosition++;
}
return 3;
}
int ExternalOpenDocumentEnumerate(ExecutionContext *context, Value *returnValue) {
EsBuffer buffer = { .canGrow = true };
_EsOpenDocumentEnumerate(&buffer);
size_t count = 0;
EsBufferReadInto(&buffer, &count, sizeof(size_t));
uintptr_t index = HeapAllocate(context);
context->heap[index].type = T_LIST;
context->heap[index].internalValuesAreManaged = true;
context->heap[index].length = count;
context->heap[index].list = (Value *) EsHeapAllocate(sizeof(Value) * count, false);
for (uintptr_t i = 0; i < count; i++) {
size_t pathBytes = 0;
EsBufferReadInto(&buffer, &pathBytes, sizeof(size_t));
char *path = (char *) EsHeapAllocate(pathBytes, false);
EsBufferReadInto(&buffer, path, pathBytes);
context->heap[index].list[i].i = HeapAllocate(context);
context->heap[context->heap[index].list[i].i].type = T_STR;
context->heap[context->heap[index].list[i].i].bytes = pathBytes;
context->heap[context->heap[index].list[i].i].text = path;
}
EsHeapFree(buffer.out);
EsAssert(!buffer.error);
returnValue->i = index;
return 3;
}
#define EXTERNAL_STUB(name) int name(ExecutionContext *, Value *) { EsPrint("Unimplemented " #name "\n"); EsAssert(false); return -1; }
// TODO What to do with these?
EXTERNAL_STUB(ExternalPathGetDefaultPrefix);
EXTERNAL_STUB(ExternalPathSetDefaultPrefixToScriptSourceDirectory);
// TODO These functions should be moved to Helpers.
EXTERNAL_STUB(ExternalPersistRead);
EXTERNAL_STUB(ExternalPersistWrite);
// TODO Functions only available in the POSIX subsystem:
EXTERNAL_STUB(ExternalConsoleGetLine);
EXTERNAL_STUB(ExternalSystemShellExecute);
EXTERNAL_STUB(ExternalSystemShellExecuteWithWorkingDirectory);
EXTERNAL_STUB(ExternalSystemShellEvaluate);
EXTERNAL_STUB(ExternalSystemShellEnableLogging);
EXTERNAL_STUB(ExternalSystemGetEnvironmentVariable);
EXTERNAL_STUB(ExternalSystemSetEnvironmentVariable);
// --------------------------------- User interface.
#define COLOR_BACKGROUND (0xFFFDFDFD)
#define COLOR_ROW_ODD (0xFFF4F4F4)
#define COLOR_ROW_HEADER_LINE (0xFFCCCCCC)
#define COLOR_OUTPUT_DECORATION_IN_PROGRESS (0xFFFF7F00)
#define COLOR_OUTPUT_DECORATION_SUCCESS (0xFF3070FF)
#define COLOR_OUTPUT_DECORATION_FAILURE (0xFFFF3040)
#define COLOR_TEXT_MAIN (0xFF010102)
#define COLOR_TEXT_LIGHT (0xFF606062)
#define TEXT_SIZE_DEFAULT (13)
#define TEXT_SIZE_OUTPUT (12)
#define TEXT_SIZE_SMALL (11)
const EsStyle styleBackground = {
.appearance = {
.enabled = true,
.backgroundColor = COLOR_BACKGROUND,
},
};
const EsStyle styleRoot = {
.metrics = {
.mask = ES_THEME_METRICS_INSETS | ES_THEME_METRICS_GAP_ALL,
.insets = ES_RECT_4(32, 32, 32, 32),
.gapMajor = 4,
},
};
const EsStyle styleInputRow = {
.metrics = {
.mask = ES_THEME_METRICS_GAP_ALL,
.gapMajor = 8,
},
};
const EsStyle stylePathDefaultPrefixDisplay = {
.metrics = {
.mask = ES_THEME_METRICS_FONT_FAMILY | ES_THEME_METRICS_FONT_WEIGHT
| ES_THEME_METRICS_TEXT_SIZE | ES_THEME_METRICS_TEXT_ALIGN | ES_THEME_METRICS_TEXT_COLOR,
.textColor = COLOR_TEXT_MAIN,
.textAlign = ES_TEXT_H_LEFT | ES_TEXT_WRAP | ES_TEXT_V_TOP,
.textSize = TEXT_SIZE_DEFAULT,
.fontFamily = ES_FONT_SANS,
.fontWeight = 6,
},
};
const EsStyle styleOutputParagraph = {
.metrics = {
.mask = ES_THEME_METRICS_FONT_FAMILY | ES_THEME_METRICS_FONT_WEIGHT
| ES_THEME_METRICS_TEXT_SIZE | ES_THEME_METRICS_TEXT_ALIGN | ES_THEME_METRICS_TEXT_COLOR,
.textColor = COLOR_TEXT_MAIN,
.textAlign = ES_TEXT_H_LEFT | ES_TEXT_WRAP | ES_TEXT_V_TOP,
.textSize = TEXT_SIZE_OUTPUT,
.fontFamily = ES_FONT_SANS,
.fontWeight = 4,
},
};
const EsStyle styleOutputData = {
.metrics = {
.mask = ES_THEME_METRICS_FONT_FAMILY | ES_THEME_METRICS_FONT_WEIGHT
| ES_THEME_METRICS_TEXT_SIZE | ES_THEME_METRICS_TEXT_ALIGN | ES_THEME_METRICS_TEXT_COLOR,
.textColor = COLOR_TEXT_MAIN,
.textAlign = ES_TEXT_H_LEFT | ES_TEXT_ELLIPSIS | ES_TEXT_V_TOP,
.textSize = TEXT_SIZE_OUTPUT,
.fontFamily = ES_FONT_SANS,
.fontWeight = 4,
},
};
const EsStyle styleOutputParagraphStrong = {
.metrics = {
.mask = ES_THEME_METRICS_FONT_FAMILY | ES_THEME_METRICS_FONT_WEIGHT
| ES_THEME_METRICS_TEXT_SIZE | ES_THEME_METRICS_TEXT_ALIGN | ES_THEME_METRICS_TEXT_COLOR,
.textColor = COLOR_TEXT_MAIN,
.textAlign = ES_TEXT_H_LEFT | ES_TEXT_WRAP | ES_TEXT_V_TOP,
.textSize = TEXT_SIZE_OUTPUT,
.fontFamily = ES_FONT_SANS,
.fontWeight = 6,
},
};
const EsStyle styleRowHeaderText = {
.metrics = {
.mask = ES_THEME_METRICS_FONT_FAMILY | ES_THEME_METRICS_FONT_WEIGHT | ES_THEME_METRICS_INSETS
| ES_THEME_METRICS_TEXT_SIZE | ES_THEME_METRICS_TEXT_ALIGN | ES_THEME_METRICS_TEXT_COLOR,
.insets = ES_RECT_4(0, 0, 0, 2),
.textColor = COLOR_TEXT_MAIN,
.textAlign = ES_TEXT_H_LEFT | ES_TEXT_WRAP | ES_TEXT_V_TOP,
.textSize = TEXT_SIZE_SMALL,
.fontFamily = ES_FONT_SANS,
.fontWeight = 6,
},
};
const EsStyle styleOutputParagraphItalic = {
.metrics = {
.mask = ES_THEME_METRICS_FONT_FAMILY | ES_THEME_METRICS_FONT_WEIGHT | ES_THEME_METRICS_IS_ITALIC
| ES_THEME_METRICS_TEXT_SIZE | ES_THEME_METRICS_TEXT_ALIGN | ES_THEME_METRICS_TEXT_COLOR,
.textColor = COLOR_TEXT_MAIN,
.textAlign = ES_TEXT_H_LEFT | ES_TEXT_WRAP | ES_TEXT_V_TOP,
.textSize = TEXT_SIZE_OUTPUT,
.fontFamily = ES_FONT_SANS,
.fontWeight = 4,
.isItalic = true,
},
};
const EsStyle stylePromptText = {
.metrics = {
.mask = ES_THEME_METRICS_FONT_FAMILY | ES_THEME_METRICS_FONT_WEIGHT
| ES_THEME_METRICS_TEXT_SIZE | ES_THEME_METRICS_TEXT_ALIGN | ES_THEME_METRICS_TEXT_COLOR,
.textColor = COLOR_TEXT_LIGHT,
.textAlign = ES_TEXT_H_LEFT | ES_TEXT_V_CENTER,
.textSize = TEXT_SIZE_DEFAULT,
.fontFamily = ES_FONT_SANS,
.fontWeight = 5,
},
};
const EsStyle styleInputTextbox = {
.inherit = ES_STYLE_TEXTBOX_TRANSPARENT,
.metrics = {
.mask = ES_THEME_METRICS_FONT_FAMILY | ES_THEME_METRICS_FONT_WEIGHT
| ES_THEME_METRICS_TEXT_SIZE | ES_THEME_METRICS_TEXT_COLOR,
.textColor = COLOR_TEXT_MAIN,
.textSize = TEXT_SIZE_DEFAULT,
.fontFamily = ES_FONT_SANS,
.fontWeight = 4,
},
};
const EsStyle styleCommandLogText = {
.metrics = {
.mask = ES_THEME_METRICS_FONT_FAMILY | ES_THEME_METRICS_FONT_WEIGHT
| ES_THEME_METRICS_TEXT_SIZE | ES_THEME_METRICS_TEXT_ALIGN | ES_THEME_METRICS_TEXT_COLOR,
.textColor = COLOR_TEXT_MAIN,
.textAlign = ES_TEXT_H_LEFT | ES_TEXT_ELLIPSIS | ES_TEXT_V_TOP,
.textSize = TEXT_SIZE_DEFAULT,
.fontFamily = ES_FONT_SANS,
.fontWeight = 4,
},
};
const EsStyle styleInterCommandSpacer = {
.metrics = {
.mask = ES_THEME_METRICS_PREFERRED_HEIGHT,
.preferredHeight = 14,
},
};
const EsStyle styleOutputPanelWrapper = {
.metrics = {
.mask = ES_THEME_METRICS_INSETS | ES_THEME_METRICS_GAP_MAJOR,
.insets = ES_RECT_1(10),
.gapMajor = 12,
},
};
const EsStyle styleOutputPanel = {
.metrics = {
.mask = ES_THEME_METRICS_INSETS | ES_THEME_METRICS_GAP_MAJOR,
.insets = ES_RECT_2(0, 4),
.gapMajor = 0,
},
};
const EsStyle styleOutputDecorationInProgress = {
.metrics = {
.mask = ES_THEME_METRICS_PREFERRED_WIDTH,
.preferredWidth = 6,
},
.appearance = {
.enabled = true,
.backgroundColor = COLOR_OUTPUT_DECORATION_IN_PROGRESS,
},
};
const EsStyle styleOutputDecorationSuccess = {
.metrics = {
.mask = ES_THEME_METRICS_PREFERRED_WIDTH,
.preferredWidth = 6,
},
.appearance = {
.enabled = true,
.backgroundColor = COLOR_OUTPUT_DECORATION_SUCCESS,
},
};
const EsStyle styleOutputDecorationFailure = {
.metrics = {
.mask = ES_THEME_METRICS_PREFERRED_WIDTH,
.preferredWidth = 6,
},
.appearance = {
.enabled = true,
.backgroundColor = COLOR_OUTPUT_DECORATION_FAILURE,
},
};
const EsThemeAppearance styleAppearanceRowHeader = {
.enabled = true,
.backgroundColor = COLOR_BACKGROUND,
.borderColor = COLOR_ROW_HEADER_LINE,
.borderSize = ES_RECT_4(0, 0, 0, 1),
};
const EsThemeAppearance styleAppearanceRowEven = {
.enabled = true,
.backgroundColor = COLOR_BACKGROUND,
};
const EsThemeAppearance styleAppearanceRowOdd = {
.enabled = true,
.backgroundColor = COLOR_ROW_ODD,
};
const EsStyle styleTableCell = {
.metrics = {
.mask = ES_THEME_METRICS_INSETS,
.insets = ES_RECT_1(3),
},
};
const EsStyle styleListRowEven = {
.metrics = {
.mask = ES_THEME_METRICS_INSETS,
.insets = ES_RECT_1(3),
},
.appearance = styleAppearanceRowEven,
};
const EsStyle styleListRowOdd = {
.metrics = {
.mask = ES_THEME_METRICS_INSETS,
.insets = ES_RECT_1(3),
},
.appearance = styleAppearanceRowOdd,
};
const EsStyle styleTable = {
.metrics = {
.mask = ES_THEME_METRICS_CLIP_ENABLED | ES_THEME_METRICS_GAP_MAJOR,
.clipEnabled = true,
.gapMajor = 6,
},
};
const EsStyle styleList = {
.metrics = {
.mask = ES_THEME_METRICS_CLIP_ENABLED,
.clipEnabled = true,
},
};
void AddREPLResult(ExecutionContext *context, EsElement *parent, Node *type, Value value) {
// TODO Truncating/scrolling/collapsing/saving/copying output.
// TODO Letting scripts register custom views for structs.
size_t bytes;
if (type->type == T_INT) {
char *buffer = EsStringAllocateAndFormat(&bytes, "%d", value.i);
EsTextDisplayCreate(parent, ES_CELL_H_FILL, EsStyleIntern(&styleOutputData), buffer, bytes);
EsHeapFree(buffer);
} else if (type->type == T_BOOL) {
char *buffer = EsStringAllocateAndFormat(&bytes, "%z", value.i ? "true" : "false");
EsTextDisplayCreate(parent, ES_CELL_H_FILL, EsStyleIntern(&styleOutputData), buffer, bytes);
EsHeapFree(buffer);
} else if (type->type == T_NULL) {
char *buffer = EsStringAllocateAndFormat(&bytes, "%z", "null");
EsTextDisplayCreate(parent, ES_CELL_H_FILL, EsStyleIntern(&styleOutputData), buffer, bytes);
EsHeapFree(buffer);
} else if (type->type == T_FLOAT) {
char *buffer = EsStringAllocateAndFormat(&bytes, "%F", value.f);
EsTextDisplayCreate(parent, ES_CELL_H_FILL, EsStyleIntern(&styleOutputData), buffer, bytes);
EsHeapFree(buffer);
} else if (type->type == T_STR) {
EsAssert(context->heapEntriesAllocated > (uint64_t) value.i);
HeapEntry *entry = &context->heap[value.i];
const char *valueText;
size_t valueBytes;
ScriptHeapEntryToString(context, entry, &valueText, &valueBytes);
uint64_t pngSignature = 0x0A1A0A0D474E5089;
uint32_t jpgSignature = 0xE0FFD8FF;
if ((valueBytes > sizeof(pngSignature) && 0 == EsMemoryCompare(&pngSignature, valueText, sizeof(pngSignature)))
|| (valueBytes > sizeof(jpgSignature) && 0 == EsMemoryCompare(&jpgSignature, valueText, sizeof(jpgSignature)))) {
EsImageDisplay *display = EsImageDisplayCreate(parent, ES_CELL_H_FILL);
EsImageDisplayLoadFromMemory(display, valueText, valueBytes);
} else if (EsUTF8IsValid(valueText, valueBytes)) {
char *buffer = EsStringAllocateAndFormat(&bytes, "\u201C%s\u201D", valueBytes, valueText);
EsTextDisplayCreate(parent, ES_CELL_H_FILL, EsStyleIntern(&styleOutputData), buffer, bytes);
EsHeapFree(buffer);
} else {
EsTextDisplayCreate(parent, ES_CELL_H_FILL, EsStyleIntern(&styleOutputParagraphItalic), EsLiteral("Binary data string.\n"));
}
} else if (type->type == T_LIST && type->firstChild->type == T_STRUCT) {
EsAssert(context->heapEntriesAllocated > (uint64_t) value.i);
HeapEntry *listEntry = &context->heap[value.i];
EsAssert(listEntry->type == T_LIST);
if (!listEntry->length) goto normalList;
EsAssert(context->heapEntriesAllocated > (uint64_t) listEntry->list[0].i);
EsAssert(context->heap[listEntry->list[0].i].type == T_STRUCT);
EsPanel *table = EsPanelCreate(parent, ES_CELL_H_FILL | ES_PANEL_HORIZONTAL | ES_PANEL_TABLE | ES_PANEL_H_SCROLL_AUTO, EsStyleIntern(&styleTable));
EsPanelSetBands(table, context->heap[listEntry->list[0].i].fieldCount);
EsPanelTableAddBandDecorator(table, { .index = 0, .repeatEvery = 0, .axis = 1, .appearance = styleAppearanceRowHeader });
EsPanelTableAddBandDecorator(table, { .index = 1, .repeatEvery = 2, .axis = 1, .appearance = styleAppearanceRowEven });
EsPanelTableAddBandDecorator(table, { .index = 2, .repeatEvery = 2, .axis = 1, .appearance = styleAppearanceRowOdd });
{
Node *field = type->firstChild->firstChild;
while (field) {
EsTextDisplayCreate(table, ES_CELL_H_CENTER | ES_CELL_V_CENTER,
EsStyleIntern(&styleRowHeaderText), field->token.text, field->token.textBytes);
field = field->sibling;
}
}
for (uintptr_t i = 0; i < listEntry->length; i++) {
EsAssert(context->heapEntriesAllocated > (uint64_t) value.i);
HeapEntry *itemEntry = &context->heap[listEntry->list[i].i];
EsAssert(itemEntry->type == T_STRUCT);
EsAssert(itemEntry->fieldCount == context->heap[listEntry->list[0].i].fieldCount);
Node *field = type->firstChild->firstChild;
uintptr_t j = 0;
while (field) {
EsAssert(j != itemEntry->fieldCount);
AddREPLResult(context, EsPanelCreate(table, ES_CELL_H_CENTER | ES_CELL_V_TOP, EsStyleIntern(&styleTableCell)),
field->firstChild, itemEntry->fields[j]);
field = field->sibling;
j++;
}
}
} else if (type->type == T_LIST) {
normalList:;
EsPanel *panel = EsPanelCreate(parent, ES_CELL_H_FILL | ES_PANEL_VERTICAL | ES_PANEL_STACK, EsStyleIntern(&styleList));
EsAssert(context->heapEntriesAllocated > (uint64_t) value.i);
HeapEntry *entry = &context->heap[value.i];
EsAssert(entry->type == T_LIST);
if (!entry->length) {
EsTextDisplayCreate(parent, ES_CELL_H_FILL, EsStyleIntern(&styleOutputParagraphItalic),
EsLiteral("Empty list.\n"));
}
for (uintptr_t i = 0; i < entry->length; i++) {
EsPanel *item = EsPanelCreate(panel, ES_CELL_H_FILL, EsStyleIntern((i % 2) ? &styleListRowOdd : &styleListRowEven));
AddREPLResult(context, item, type->firstChild, entry->list[i]);
}
} else if (type->type == T_STRUCT) {
EsPanel *panel = EsPanelCreate(parent, ES_CELL_H_FILL | ES_PANEL_VERTICAL | ES_PANEL_STACK);
EsAssert(context->heapEntriesAllocated > (uint64_t) value.i);
HeapEntry *entry = &context->heap[value.i];
EsAssert(entry->type == T_STRUCT);
uintptr_t i = 0;
Node *field = type->firstChild;
while (field) {
EsAssert(i != entry->fieldCount);
EsPanel *item = EsPanelCreate(panel, ES_CELL_H_FILL, EsStyleIntern((i % 2) ? &styleListRowOdd : &styleListRowEven));
AddREPLResult(context, item, field->firstChild, entry->fields[i]);
field = field->sibling;
i++;
}
} else if (type->type == T_FUNCPTR) {
EsTextDisplayCreate(parent, ES_CELL_H_FILL, EsStyleIntern(&styleOutputParagraphItalic),
EsLiteral("Function pointer.\n"));
} else {
EsTextDisplayCreate(parent, ES_CELL_H_FILL, EsStyleIntern(&styleOutputParagraphItalic),
EsLiteral("The type of the result was not recognized.\n"));
}
}
void ExternalPassREPLResult(ExecutionContext *context, Value value) {
Instance *instance = scriptInstance;
if (instance->gotREPLResult) return;
if (instance->outputLineBufferBytes) AddOutput(instance, EsLiteral("\n"));
instance->anyOutput = true;
instance->gotREPLResult = true;
EsMessageMutexAcquire();
AddREPLResult(context, instance->outputPanel, context->functionData->replResultType, value);
EsMessageMutexRelease();
}
void ScriptThread(EsGeneric _instance) {
Instance *instance = (Instance *) _instance.p;
scriptInstance = instance;
int result = ScriptExecuteFromFile(EsLiteral("in"), instance->inputText, instance->inputBytes, true);
instance->inputText = nullptr;
if (instance->outputLineBufferBytes) {
AddOutput(instance, EsLiteral("\n"));
}
while (fixedAllocationBlocks) {
void *block = fixedAllocationBlocks;
fixedAllocationBlocks = (void **) *fixedAllocationBlocks;
EsHeapFree(block);
}
fixedAllocationCurrentBlock = nullptr;
fixedAllocationCurrentPosition = 0;
fixedAllocationCurrentSize = 0;
EsMessageMutexAcquire();
if (!instance->anyOutput) {
EsElementDestroy(EsElementGetLayoutParent(instance->outputPanel));
instance->outputPanel = nullptr;
} else {
instance->anyOutput = false;
}
instance->gotREPLResult = false;
if (result == 0) {
EsSpacerChangeStyle(instance->outputDecoration, EsStyleIntern(&styleOutputDecorationSuccess));
} else {
EsSpacerChangeStyle(instance->outputDecoration, EsStyleIntern(&styleOutputDecorationFailure));
}
instance->outputElements.Add(EsSpacerCreate(instance->root, ES_CELL_H_FILL, EsStyleIntern(&styleInterCommandSpacer)));
AddPrompt(instance);
EsMessageMutexRelease();
}
void EnterCommand(Instance *instance) {
EsAssert(instance->inputTextbox);
EsAssert(instance->inputRow);
EsAssert(instance->defaultPrefixDisplay);
size_t dataBytes;
char *data = EsTextboxGetContents(instance->inputTextbox, &dataBytes, ES_FLAGS_DEFAULT);
EsElementDestroy(instance->inputRow);
instance->outputElements.Add(instance->defaultPrefixDisplay);
instance->inputTextbox = nullptr;
instance->inputRow = nullptr;
instance->defaultPrefixDisplay = nullptr;
EsPanel *commandLogRow = EsPanelCreate(instance->root, ES_CELL_H_FILL | ES_PANEL_STACK | ES_PANEL_HORIZONTAL, EsStyleIntern(&styleInputRow));
EsTextDisplayCreate(commandLogRow, ES_FLAGS_DEFAULT, EsStyleIntern(&stylePromptText), "\u2661");
EsTextDisplayCreate(commandLogRow, ES_CELL_H_FILL, EsStyleIntern(&styleCommandLogText), data, dataBytes);
instance->outputElements.Add(commandLogRow);
EsAssert(!instance->outputPanel);
EsAssert(!instance->outputDecoration);
EsPanel *outputPanelWrapper = EsPanelCreate(instance->root, ES_CELL_H_FILL | ES_PANEL_STACK | ES_PANEL_HORIZONTAL, EsStyleIntern(&styleOutputPanelWrapper));
instance->outputDecoration = EsSpacerCreate(outputPanelWrapper, ES_CELL_V_FILL, EsStyleIntern(&styleOutputDecorationInProgress));
instance->outputPanel = EsPanelCreate(outputPanelWrapper, ES_CELL_H_FILL | ES_PANEL_STACK | ES_PANEL_VERTICAL, EsStyleIntern(&styleOutputPanel));
instance->inputText = data;
instance->inputBytes = dataBytes;
EsAssert(ES_SUCCESS == EsThreadCreate(ScriptThread, &instance->scriptThread, instance));
EsHandleClose(instance->scriptThread.handle);
}
int InputTextboxMessage(EsElement *element, EsMessage *message) {
if (message->type == ES_MSG_KEY_TYPED) {
if (message->keyboard.scancode == ES_SCANCODE_ENTER) {
EnterCommand(element->instance);
return ES_HANDLED;
}
}
return 0;
}
void AddOutput(Instance *instance, const char *text, size_t textBytes) {
instance->anyOutput = true;
for (uintptr_t i = 0; i < textBytes; i++) {
if (text[i] == '\n') {
if (EsUTF8IsValid(instance->outputLineBuffer, instance->outputLineBufferBytes)) {
EsMessageMutexAcquire();
EsTextDisplayCreate(instance->outputPanel, ES_CELL_H_FILL, EsStyleIntern(&styleOutputParagraph),
instance->outputLineBuffer, instance->outputLineBufferBytes);
EsMessageMutexRelease();
} else {
EsMessageMutexAcquire();
EsTextDisplayCreate(instance->outputPanel, ES_CELL_H_FILL, EsStyleIntern(&styleOutputParagraphItalic),
EsLiteral("Encoding error.\n"));
EsMessageMutexRelease();
}
instance->outputLineBufferBytes = 0;
} else {
if (instance->outputLineBufferBytes == instance->outputLineBufferAllocated) {
instance->outputLineBufferAllocated = (instance->outputLineBufferAllocated + 4) * 2;
instance->outputLineBuffer = (char *) EsHeapReallocate(instance->outputLineBuffer,
instance->outputLineBufferAllocated, false);
}
instance->outputLineBuffer[instance->outputLineBufferBytes++] = text[i];
}
}
}
void AddPrompt(Instance *instance) {
if (instance->outputPanel) {
instance->outputElements.Add(EsElementGetLayoutParent(instance->outputPanel));
}
EsAssert(!instance->inputTextbox);
EsAssert(!instance->inputRow);
EsAssert(!instance->defaultPrefixDisplay);
instance->outputPanel = nullptr;
instance->outputDecoration = nullptr;
instance->defaultPrefixDisplay = EsTextDisplayCreate(instance->root, ES_CELL_H_FILL, EsStyleIntern(&stylePathDefaultPrefixDisplay), "Essence HD (0:)");
instance->inputRow = EsPanelCreate(instance->root, ES_CELL_H_FILL | ES_PANEL_STACK | ES_PANEL_HORIZONTAL, EsStyleIntern(&styleInputRow));
EsTextDisplayCreate(instance->inputRow, ES_FLAGS_DEFAULT, EsStyleIntern(&stylePromptText), "\u2665");
instance->inputTextbox = EsTextboxCreate(instance->inputRow, ES_CELL_H_FILL, EsStyleIntern(&styleInputTextbox));
EsTextboxEnableSmartReplacement(instance->inputTextbox, false);
instance->inputTextbox->messageUser = InputTextboxMessage;
EsElementFocus(instance->inputTextbox, ES_ELEMENT_FOCUS_ENSURE_VISIBLE);
}
void CommandClearOutput(Instance *instance, EsElement *, EsCommand *) {
for (uintptr_t i = 0; i < instance->outputElements.Length(); i++) {
EsElementDestroy(instance->outputElements[i]);
}
instance->outputElements.Free();
}
int InstanceCallback(Instance *instance, EsMessage *message) {
if (message->type == ES_MSG_INSTANCE_DESTROY) {
// TODO Stopping the script thread.
EsHeapFree(instance->outputLineBuffer);
instance->outputElements.Free();
}
return 0;
}
void _start() {
_init();
// TODO Proper drive mounting.
size_t deviceCount;
EsMessageDevice *devices = EsDeviceEnumerate(&deviceCount);
for (uintptr_t i = 0; i < deviceCount; i++) {
if (devices[i].type == ES_DEVICE_FILE_SYSTEM && EsDeviceControl(devices[i].handle, ES_DEVICE_CONTROL_FS_IS_BOOT, 0, nullptr)) {
EsMountPointAdd(EsLiteral("0:"), devices[i].handle);
}
}
EsHeapFree(devices);
while (true) {
EsMessage *message = EsMessageReceive();
if (message->type == ES_MSG_INSTANCE_CREATE) {
Instance *instance = EsInstanceCreate(message, "Script Console", -1);
instance->callback = InstanceCallback;
EsCommandRegister(&instance->commandClearOutput, instance, EsLiteral("Clear output"), CommandClearOutput,
1 /* stableID */, "Ctrl+Shift+L", true /* enabled */);
EsWindowSetIcon(instance->window, ES_ICON_UTILITIES_TERMINAL);
EsPanel *wrapper = EsPanelCreate(instance->window, ES_CELL_FILL, ES_STYLE_PANEL_WINDOW_DIVIDER);
EsPanel *background = EsPanelCreate(wrapper, ES_CELL_FILL | ES_PANEL_V_SCROLL_AUTO, EsStyleIntern(&styleBackground));
instance->root = EsPanelCreate(background, ES_CELL_H_FILL | ES_PANEL_STACK | ES_PANEL_VERTICAL, EsStyleIntern(&styleRoot));
AddPrompt(instance);
EsElement *toolbar = EsWindowGetToolbar(instance->window);
EsCommandAddButton(&instance->commandClearOutput,
EsButtonCreate(toolbar, ES_FLAGS_DEFAULT, 0, EsLiteral("Clear output")));
}
}
}