mirror of https://gitlab.com/rnger/amath
320 lines
7.0 KiB
C++
320 lines
7.0 KiB
C++
/*
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* Copyright (c) 2015-2016 Carsten Sonne Larsen
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "clib.h"
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#include "lib/numb.h"
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#include "lib/charbuf.h"
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#include "main/nodes.h"
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#include "localize/text.h"
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#include "system/program.h"
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// -----------------------------------------------------
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// ------------------- SyntaxNode ----------------------
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// -----------------------------------------------------
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SyntaxNode::SyntaxNode()
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{
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output = new CharBuffer();
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parent = NOMEM;
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iterator = NOMEM;
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leftBottom = false;
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}
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SyntaxNode::~SyntaxNode()
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{
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delete output;
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}
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ReductionType SyntaxNode::GetReductionType()
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{
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return nonereduc;
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}
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bool SyntaxNode::GetFirstNode()
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{
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return leftBottom;
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}
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void SyntaxNode::SetFirstNode()
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{
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leftBottom = true;
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}
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SyntaxNode* SyntaxNode::GetParent()
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{
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return parent;
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}
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void SyntaxNode::SetParent(SyntaxNode* node)
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{
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parent = node;
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}
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void SyntaxNode::ResetIterator()
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{
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iterator = NOMEM;
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}
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// -----------------------------------------------------
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// ------------------- StatementNode -------------------
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// -----------------------------------------------------
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StatementNode::StatementNode() :
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SyntaxNode() { }
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NodeType StatementNode::GetNodeType()
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{
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return statement;
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}
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char* StatementNode::GetTextCode()
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{
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return (char*)"STA";
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}
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SyntaxNode* StatementNode::GetNext()
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{
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return NOMEM;
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}
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void StatementNode::Attach(SyntaxNode* node)
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{ }
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void StatementNode::Detach(SyntaxNode* node)
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{ }
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void StatementNode::Replace(SyntaxNode* n, SyntaxNode* x)
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{ }
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// -----------------------------------------------------
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// ------------------ ExpressionNode -------------------
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// -----------------------------------------------------
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ExpressionNode::ExpressionNode() :
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SyntaxNode() {
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result = NOMEM;
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}
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ExpressionNode::ExpressionNode(Number *value) :
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SyntaxNode() {
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result = value;
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}
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ExpressionNode::~ExpressionNode()
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{
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if (result != NOMEM) {
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delete result;
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}
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}
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NodeType ExpressionNode::GetNodeType()
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{
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return expression;
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}
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bool ExpressionNode::IsSilent()
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{
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return false;
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}
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char* ExpressionNode::GetTextCode()
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{
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return GetNodeText();
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}
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char* ExpressionNode::Execute()
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{
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return NOMEM;
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}
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// -----------------------------------------------------
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// -------------------- ErrorNode ----------------------
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// -----------------------------------------------------
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ErrorNode::ErrorNode(const char *input, const char *message, const char *parameter, int pos) :
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SyntaxNode(), pos(pos) {
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this->input = new char[StrLen(input) + 1];
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StrCopyVisible(this->input, input);
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CharBuffer *temp = new CharBuffer();
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temp->EnsureSize(StrLen(message) + StrLen(parameter) + 1);
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temp->Append(message);
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temp->Append(parameter);
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AllocAndCopy(&this->message, temp->GetString());
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delete temp;
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}
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ErrorNode::ErrorNode(const char *input, int pos) :
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SyntaxNode(), pos(pos) {
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char *temp = HELPSYNTAX;
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this->input = new char[StrLen(input) + 1];
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StrCopyVisible(this->input, input);
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AllocAndCopy(&this->message, temp);
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}
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ErrorNode::~ErrorNode()
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{
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delete [] input;
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delete [] message;
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}
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NodeType ErrorNode::GetNodeType()
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{
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return othernodetype;
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}
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char* ErrorNode::GetTextCode()
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{
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return (char*)"ERRND";
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}
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char* ErrorNode::Execute()
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{
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output->ClearAndAlloc(StrLen(message) + StrLen(input) + pos + 1 + StrLen(NEWLINE) * 3 + 1);
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output->Empty();
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output->Append(message);
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output->Append(NEWLINE);
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output->Append(input);
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output->Append(NEWLINE);
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output->Append(' ', pos);
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output->Append('^');
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output->Append(NEWLINE);
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return output->GetString();
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}
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void ErrorNode::StrCopyVisible(char *destination, const char *source)
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{
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while (*source != '\0' && *source >= 32 && *source <= 126) {
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*destination++ = *source++;
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}
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*destination = '\0';
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}
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SyntaxNode* ErrorNode::GetNext()
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{
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return NOMEM;
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}
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void ErrorNode::Attach(SyntaxNode* node)
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{ }
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void ErrorNode::Detach(SyntaxNode* node)
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{ }
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void ErrorNode::Replace(SyntaxNode* n, SyntaxNode* x)
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{ }
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// -----------------------------------------------------
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// ----------------- StatementBlockNode ----------------
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// -----------------------------------------------------
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StatementBlockNode::StatementBlockNode() :
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SyntaxNode() {
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first = NOMEM;
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iterator = NOMEM;
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}
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StatementBlockNode::~StatementBlockNode()
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{
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StatementBlockElement *e = first;
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while (e != NOMEM) {
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StatementBlockElement *next = e->next;
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delete e->statement;
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delete e;
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e = next;
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}
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}
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NodeType StatementBlockNode::GetNodeType()
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{
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return statement;
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}
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void StatementBlockNode::Add(SyntaxNode* node)
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{
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if (first == NOMEM) {
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first = new StatementBlockElement();
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first->statement = node;
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first->next = NOMEM;
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return;
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}
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StatementBlockElement *last = first;
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StatementBlockElement *current = first->next;
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while (current != NOMEM) {
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current = current->next;
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last = last->next;
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}
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current = new StatementBlockElement();
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current->statement = node;
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current->next = NOMEM;
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last->next = current;
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}
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char* StatementBlockNode::GetTextCode()
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{
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return (char*)"SBLCK";
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}
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char* StatementBlockNode::Execute()
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{
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output->ClearBuffer();
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output->Empty();
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StatementBlockElement *e = first;
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while (e != NOMEM) {
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const char *out = e->statement->Execute();
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output->EnsureGrowth(StrLen(out) + 1);
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output->Append(out);
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e = e->next;
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}
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return output->GetString();
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}
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SyntaxNode* StatementBlockNode::GetNext()
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{
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return NOMEM; // TODO: Implement
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}
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void StatementBlockNode::Attach(SyntaxNode* node)
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{ }
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void StatementBlockNode::Detach(SyntaxNode* node)
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{
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// TODO: IMPLEMENT
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}
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void StatementBlockNode::Replace(SyntaxNode* n, SyntaxNode* x)
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{
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// TODO: IMPLEMENT
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}
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