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ObParser.cpp
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// This file was automatically generated by Coco/R; don't modify it.
#include "ObParser.h"
#include "ObErrors.h"
#include <QtDebug>
#include <QFileInfo>
namespace Ob {
static QString coco_string_create( const wchar_t* str )
{
return QString::fromStdWString(str);
}
int Parser::peek( quint8 la )
{
if( la == 0 )
return d_cur.d_type;
else if( la == 1 )
return d_next.d_type;
else
return scanner->peekToken( la - 1 ).d_type;
}
void Parser::RunParser()
{
const quint32 before = errors->getErrCount();
d_stack.push(&d_root);
Parse();
d_stack.pop();
if( la->kind != 0 && errors->getErrCount() == before )
errors->warning( Errors::Syntax, d_next.d_sourcePath, d_next.d_lineNr, d_next.d_colNr, "found text after end of module");
}
void Parser::SynErr(int n, const char* ctx) {
if (errDist >= minErrDist)
{
SynErr(d_next.d_sourcePath,d_next.d_lineNr, d_next.d_colNr, n, errors, ctx);
}
errDist = 0;
}
void Parser::SemErr(const char* msg) {
if (errDist >= minErrDist) errors->error(Ob::Errors::Semantics,d_cur.d_sourcePath,d_cur.d_lineNr, d_cur.d_colNr, msg);
errDist = 0;
}
void Parser::Get() {
for (;;) {
d_cur = d_next;
d_next = scanner->nextToken();
bool deliverToParser = false;
switch( d_next.d_type )
{
case Ob::Tok_Invalid:
if( !d_next.d_val.isEmpty() )
SynErr( d_next.d_type, d_next.d_val );
// else errors already handeled in lexer
break;
case Ob::Tok_Comment:
d_comments.append(d_next);
break;
default:
deliverToParser = true;
break;
}
if( deliverToParser )
{
if( d_next.d_type == Ob::Tok_Eof )
d_next.d_type = _EOF;
la->kind = d_next.d_type;
if (la->kind <= maxT)
{
++errDist;
break;
}
}
d_next = d_cur;
}
}
void Parser::Expect(int n, const char* ctx ) {
if (la->kind==n) Get(); else { SynErr(n, ctx); }
}
void Parser::ExpectWeak(int n, int follow) {
if (la->kind == n) Get();
else {
SynErr(n);
while (!StartOf(follow)) Get();
}
}
bool Parser::WeakSeparator(int n, int syFol, int repFol) {
if (la->kind == n) {Get(); return true;}
else if (StartOf(repFol)) {return false;}
else {
SynErr(n);
while (!(StartOf(syFol) || StartOf(repFol) || StartOf(0))) {
Get();
}
return StartOf(syFol);
}
}
void Parser::Oberon() {
d_stack.push(&d_root);
if (la->kind == _T_MODULE) {
module();
} else if (la->kind == _T_DEFINITION) {
definition();
} else SynErr(90,__FUNCTION__);
d_stack.pop();
}
void Parser::module() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_module, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_MODULE,__FUNCTION__);
addTerminal();
Expect(_T_ident,__FUNCTION__);
addTerminal();
if (la->kind == _T_Semi) {
Get();
addTerminal();
}
if (la->kind == _T_IMPORT) {
ImportList();
}
DeclarationSequence();
if (la->kind == _T_BEGIN) {
Get();
addTerminal();
StatementSequence();
}
Expect(_T_END,__FUNCTION__);
addTerminal();
Expect(_T_ident,__FUNCTION__);
addTerminal();
if (la->kind == _T_Dot) {
Get();
addTerminal();
}
d_stack.pop();
}
void Parser::definition() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_definition, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_DEFINITION,__FUNCTION__);
addTerminal();
Expect(_T_ident,__FUNCTION__);
addTerminal();
if (la->kind == _T_Semi) {
Get();
addTerminal();
}
if (la->kind == _T_IMPORT) {
ImportList();
}
DeclarationSequence2();
Expect(_T_END,__FUNCTION__);
addTerminal();
Expect(_T_ident,__FUNCTION__);
addTerminal();
if (la->kind == _T_Dot) {
Get();
addTerminal();
}
d_stack.pop();
}
void Parser::number() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_number, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
if (la->kind == _T_integer) {
Get();
addTerminal();
} else if (la->kind == _T_real) {
Get();
addTerminal();
} else SynErr(91,__FUNCTION__);
d_stack.pop();
}
void Parser::qualident() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_qualident, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
if (peek(1) == _T_ident && peek(2) == _T_Dot ) {
Expect(_T_ident,__FUNCTION__);
addTerminal();
Expect(_T_Dot,__FUNCTION__);
addTerminal();
}
Expect(_T_ident,__FUNCTION__);
addTerminal();
d_stack.pop();
}
void Parser::identdef() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_identdef, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_ident,__FUNCTION__);
addTerminal();
if (la->kind == _T_Star || la->kind == _T_Minus) {
if (la->kind == _T_Star) {
Get();
addTerminal();
} else {
Get();
addTerminal();
}
}
d_stack.pop();
}
void Parser::ConstDeclaration() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_ConstDeclaration, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
identdef();
Expect(_T_Eq,__FUNCTION__);
addTerminal();
ConstExpression();
d_stack.pop();
}
void Parser::ConstExpression() {
expression();
}
void Parser::expression() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_expression, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
SimpleExpression();
if (StartOf(1)) {
relation();
SimpleExpression();
}
d_stack.pop();
}
void Parser::TypeDeclaration() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_TypeDeclaration, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
identdef();
Expect(_T_Eq,__FUNCTION__);
addTerminal();
type();
d_stack.pop();
}
void Parser::type() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_type, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
if (la->kind == _T_ident) {
NamedType();
} else if (la->kind == _T_ARRAY) {
ArrayType();
} else if (la->kind == _T_RECORD) {
RecordType();
} else if (la->kind == _T_POINTER) {
PointerType();
} else if (la->kind == _T_PROCEDURE) {
ProcedureType();
} else SynErr(92,__FUNCTION__);
d_stack.pop();
}
void Parser::NamedType() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_NamedType, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
qualident();
d_stack.pop();
}
void Parser::ArrayType() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_ArrayType, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_ARRAY,__FUNCTION__);
addTerminal();
if (StartOf(2)) {
LengthList();
}
Expect(_T_OF,__FUNCTION__);
addTerminal();
type();
d_stack.pop();
}
void Parser::RecordType() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_RecordType, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_RECORD,__FUNCTION__);
addTerminal();
if (la->kind == _T_Lpar) {
Get();
addTerminal();
BaseType();
Expect(_T_Rpar,__FUNCTION__);
addTerminal();
}
if (la->kind == _T_WEAK || la->kind == _T_ident) {
FieldListSequence();
}
Expect(_T_END,__FUNCTION__);
addTerminal();
d_stack.pop();
}
void Parser::PointerType() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_PointerType, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_POINTER,__FUNCTION__);
addTerminal();
Expect(_T_TO,__FUNCTION__);
addTerminal();
type();
d_stack.pop();
}
void Parser::ProcedureType() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_ProcedureType, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_PROCEDURE,__FUNCTION__);
addTerminal();
if (la->kind == _T_Lpar) {
FormalParameters();
}
d_stack.pop();
}
void Parser::LengthList() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_LengthList, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
length();
while (la->kind == _T_Comma) {
Get();
addTerminal();
length();
}
d_stack.pop();
}
void Parser::length() {
ConstExpression();
}
void Parser::BaseType() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_BaseType, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
NamedType();
d_stack.pop();
}
void Parser::FieldListSequence() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_FieldListSequence, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
FieldList();
while (la->kind == _T_Semi) {
Get();
addTerminal();
if (la->kind == _T_WEAK || la->kind == _T_ident) {
FieldList();
}
}
d_stack.pop();
}
void Parser::FieldList() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_FieldList, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
if (la->kind == _T_WEAK) {
Get();
addTerminal();
}
IdentList();
Expect(_T_Colon,__FUNCTION__);
addTerminal();
type();
d_stack.pop();
}
void Parser::IdentList() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_IdentList, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
identdef();
while (la->kind == _T_Comma || la->kind == _T_ident) {
if (la->kind == _T_Comma) {
Get();
addTerminal();
}
identdef();
}
d_stack.pop();
}
void Parser::FormalParameters() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_FormalParameters, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_Lpar,__FUNCTION__);
addTerminal();
if (la->kind == _T_VAR || la->kind == _T_ident) {
FPSection();
while (la->kind == _T_Semi) {
Get();
addTerminal();
FPSection();
}
}
Expect(_T_Rpar,__FUNCTION__);
addTerminal();
if (la->kind == _T_Colon) {
Get();
addTerminal();
NamedType();
}
d_stack.pop();
}
void Parser::VariableDeclaration() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_VariableDeclaration, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
if (la->kind == _T_WEAK) {
Get();
addTerminal();
}
IdentList();
Expect(_T_Colon,__FUNCTION__);
addTerminal();
type();
d_stack.pop();
}
void Parser::designator() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_designator, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
qualident();
while (StartOf(3)) {
selector();
}
d_stack.pop();
}
void Parser::selector() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_selector, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
if (la->kind == _T_Dot) {
Get();
addTerminal();
Expect(_T_ident,__FUNCTION__);
addTerminal();
} else if (la->kind == _T_Lbrack) {
Get();
addTerminal();
ExpList();
Expect(_T_Rbrack,__FUNCTION__);
addTerminal();
} else if (la->kind == _T_Hat) {
Get();
addTerminal();
} else if (la->kind == _T_Lpar) {
Get();
addTerminal();
if (StartOf(2)) {
ExpList();
}
Expect(_T_Rpar,__FUNCTION__);
addTerminal();
} else SynErr(93,__FUNCTION__);
d_stack.pop();
}
void Parser::ExpList() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_ExpList, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
expression();
while (la->kind == _T_Comma) {
Get();
addTerminal();
expression();
}
d_stack.pop();
}
void Parser::SimpleExpression() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_SimpleExpression, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
if (la->kind == _T_Plus || la->kind == _T_Minus) {
if (la->kind == _T_Plus) {
Get();
addTerminal();
} else {
Get();
addTerminal();
}
}
term();
while (la->kind == _T_Plus || la->kind == _T_Minus || la->kind == _T_OR) {
AddOperator();
term();
}
d_stack.pop();
}
void Parser::relation() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_relation, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
switch (la->kind) {
case _T_Eq: {
Get();
addTerminal();
break;
}
case _T_Hash: {
Get();
addTerminal();
break;
}
case _T_Lt: {
Get();
addTerminal();
break;
}
case _T_Leq: {
Get();
addTerminal();
break;
}
case _T_Gt: {
Get();
addTerminal();
break;
}
case _T_Geq: {
Get();
addTerminal();
break;
}
case _T_IN: {
Get();
addTerminal();
break;
}
case _T_IS: {
Get();
addTerminal();
break;
}
default: SynErr(94,__FUNCTION__); break;
}
d_stack.pop();
}
void Parser::term() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_term, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
factor();
while (StartOf(4)) {
MulOperator();
factor();
}
d_stack.pop();
}
void Parser::AddOperator() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_AddOperator, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
if (la->kind == _T_Plus) {
Get();
addTerminal();
} else if (la->kind == _T_Minus) {
Get();
addTerminal();
} else if (la->kind == _T_OR) {
Get();
addTerminal();
} else SynErr(95,__FUNCTION__);
d_stack.pop();
}
void Parser::factor() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_factor, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
if (StartOf(5)) {
literal();
} else if (la->kind == _T_ident) {
variableOrFunctionCall();
} else if (la->kind == _T_Lpar) {
Get();
addTerminal();
expression();
Expect(_T_Rpar,__FUNCTION__);
addTerminal();
} else if (la->kind == _T_Tilde) {
Get();
addTerminal();
factor();
} else SynErr(96,__FUNCTION__);
d_stack.pop();
}
void Parser::MulOperator() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_MulOperator, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
if (la->kind == _T_Star) {
Get();
addTerminal();
} else if (la->kind == _T_Slash) {
Get();
addTerminal();
} else if (la->kind == _T_DIV) {
Get();
addTerminal();
} else if (la->kind == _T_MOD) {
Get();
addTerminal();
} else if (la->kind == _T_Amp) {
Get();
addTerminal();
} else SynErr(97,__FUNCTION__);
d_stack.pop();
}
void Parser::literal() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_literal, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
switch (la->kind) {
case _T_integer: case _T_real: {
number();
break;
}
case _T_string: {
Get();
addTerminal();
break;
}
case _T_hexstring: {
Get();
addTerminal();
break;
}
case _T_hexchar: {
Get();
addTerminal();
break;
}
case _T_NIL: {
Get();
addTerminal();
break;
}
case _T_Lbrace: {
set();
break;
}
case _T_TRUE: {
Get();
addTerminal();
break;
}
case _T_FALSE: {
Get();
addTerminal();
break;
}
default: SynErr(98,__FUNCTION__); break;
}
d_stack.pop();
}
void Parser::set() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_set, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_Lbrace,__FUNCTION__);
addTerminal();
if (StartOf(2)) {
element();
while (la->kind == _T_Comma) {
Get();
addTerminal();
element();
}
}
Expect(_T_Rbrace,__FUNCTION__);
addTerminal();
d_stack.pop();
}
void Parser::variableOrFunctionCall() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_variableOrFunctionCall, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
designator();
d_stack.pop();
}
void Parser::element() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_element, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
expression();
if (la->kind == _T_2Dot) {
Get();
addTerminal();
expression();
}
d_stack.pop();
}
void Parser::statement() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_statement, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
switch (la->kind) {
case _T_ident: {
assignmentOrProcedureCall();
break;
}
case _T_IF: {
IfStatement();
break;
}
case _T_CASE: {
CaseStatement();
break;
}
case _T_WITH: {
WithStatement();
break;
}
case _T_LOOP: {
LoopStatement();
break;
}
case _T_EXIT: {
ExitStatement();
break;
}
case _T_RETURN: {
ReturnStatement();
break;
}
case _T_WHILE: {
WhileStatement();
break;
}
case _T_REPEAT: {
RepeatStatement();
break;
}
case _T_FOR: {
ForStatement();
break;
}
default: SynErr(99,__FUNCTION__); break;
}
d_stack.pop();
}
void Parser::assignmentOrProcedureCall() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_assignmentOrProcedureCall, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
designator();
if (la->kind == _T_ColonEq) {
Get();
addTerminal();
expression();
}
d_stack.pop();
}
void Parser::IfStatement() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_IfStatement, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_IF,__FUNCTION__);
addTerminal();
expression();
Expect(_T_THEN,__FUNCTION__);
addTerminal();
StatementSequence();
while (la->kind == _T_ELSIF) {
ElsifStatement();
}
if (la->kind == _T_ELSE) {
ElseStatement();
}
Expect(_T_END,__FUNCTION__);
addTerminal();
d_stack.pop();
}
void Parser::CaseStatement() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_CaseStatement, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_CASE,__FUNCTION__);
addTerminal();
expression();
Expect(_T_OF,__FUNCTION__);
addTerminal();
Case();
while (la->kind == _T_Bar) {
Get();
addTerminal();
Case();
}
if (la->kind == _T_ELSE) {
Get();
addTerminal();
StatementSequence();
}
Expect(_T_END,__FUNCTION__);
addTerminal();
d_stack.pop();
}
void Parser::WithStatement() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_WithStatement, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_WITH,__FUNCTION__);
addTerminal();
if (la->kind == _T_Bar) {
Get();
addTerminal();
}
Guard();
Expect(_T_DO,__FUNCTION__);
addTerminal();
StatementSequence();
while (la->kind == _T_Bar) {
Get();
addTerminal();
Guard();
Expect(_T_DO,__FUNCTION__);
addTerminal();
StatementSequence();
}
if (la->kind == _T_ELSE) {
Get();
addTerminal();
StatementSequence();
}
Expect(_T_END,__FUNCTION__);
addTerminal();
d_stack.pop();
}
void Parser::LoopStatement() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_LoopStatement, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_LOOP,__FUNCTION__);
addTerminal();
StatementSequence();
Expect(_T_END,__FUNCTION__);
addTerminal();
d_stack.pop();
}
void Parser::ExitStatement() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_ExitStatement, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_EXIT,__FUNCTION__);
addTerminal();
d_stack.pop();
}
void Parser::ReturnStatement() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_ReturnStatement, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_RETURN,__FUNCTION__);
addTerminal();
if (StartOf(2)) {
expression();
}
d_stack.pop();
}
void Parser::WhileStatement() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_WhileStatement, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_WHILE,__FUNCTION__);
addTerminal();
expression();
Expect(_T_DO,__FUNCTION__);
addTerminal();
StatementSequence();
while (la->kind == _T_ELSIF) {
ElsifStatement2();
}
Expect(_T_END,__FUNCTION__);
addTerminal();
d_stack.pop();
}
void Parser::RepeatStatement() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_RepeatStatement, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_REPEAT,__FUNCTION__);
addTerminal();
StatementSequence();
Expect(_T_UNTIL,__FUNCTION__);
addTerminal();
expression();
d_stack.pop();
}
void Parser::ForStatement() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_ForStatement, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_FOR,__FUNCTION__);
addTerminal();
Expect(_T_ident,__FUNCTION__);
addTerminal();
Expect(_T_ColonEq,__FUNCTION__);
addTerminal();
expression();
Expect(_T_TO,__FUNCTION__);
addTerminal();
expression();
if (la->kind == _T_BY) {
Get();
addTerminal();
ConstExpression();
}
Expect(_T_DO,__FUNCTION__);
addTerminal();
StatementSequence();
Expect(_T_END,__FUNCTION__);
addTerminal();
d_stack.pop();
}
void Parser::StatementSequence() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_StatementSequence, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
if (StartOf(6)) {
statement();
}
while (la->kind == _T_Semi) {
Get();
addTerminal();
if (StartOf(6)) {
statement();
}
}
d_stack.pop();
}
void Parser::ElsifStatement() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_ElsifStatement, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_ELSIF,__FUNCTION__);
addTerminal();
expression();
Expect(_T_THEN,__FUNCTION__);
addTerminal();
StatementSequence();
d_stack.pop();
}
void Parser::ElseStatement() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_ElseStatement, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_ELSE,__FUNCTION__);
addTerminal();
StatementSequence();
d_stack.pop();
}
void Parser::Case() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_Case, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
if (StartOf(2)) {
CaseLabelList();
Expect(_T_Colon,__FUNCTION__);
addTerminal();
StatementSequence();
}
d_stack.pop();
}
void Parser::CaseLabelList() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_CaseLabelList, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
LabelRange();
while (la->kind == _T_Comma) {
Get();
addTerminal();
LabelRange();
}
d_stack.pop();
}
void Parser::LabelRange() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_LabelRange, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
label();
if (la->kind == _T_2Dot) {
Get();
addTerminal();
label();
}
d_stack.pop();
}
void Parser::label() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_label, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
ConstExpression();
d_stack.pop();
}
void Parser::ElsifStatement2() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_ElsifStatement2, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
Expect(_T_ELSIF,__FUNCTION__);
addTerminal();
expression();
Expect(_T_DO,__FUNCTION__);
addTerminal();
StatementSequence();
d_stack.pop();
}
void Parser::Guard() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_Guard, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
qualident();
Expect(_T_Colon,__FUNCTION__);
addTerminal();
qualident();
d_stack.pop();
}
void Parser::ProcedureDeclaration() {
Ob::SynTree* n = new Ob::SynTree( Ob::SynTree::R_ProcedureDeclaration, d_next ); d_stack.top()->d_children.append(n); d_stack.push(n);
if (peek(1) == _T_PROCEDURE && ( peek(2) == _T_Hat || peek(2) == _T_Minus ) ) {
Expect(_T_PROCEDURE,__FUNCTION__);
addTerminal();
if (la->kind == _T_Hat) {
Get();
addTerminal();
} else if (la->kind == _T_Minus) {
Get();
addTerminal();
} else SynErr(100,__FUNCTION__);
if (la->kind == _T_Lpar) {
Receiver();
}
identdef();
if (la->kind == _T_Lpar) {
FormalParameters();
}