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Copy pathMilParser.cpp
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MilParser.cpp
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// This file was automatically generated by EbnfStudio; don't modify it!
#include "MilParser.h"
using namespace Mil;
static inline bool FIRST_Mil(int tt) {
return tt == Tok_MODULE;
}
static inline bool FIRST_integer(int tt) {
return tt == Tok_Plus || tt == Tok_unsigned || tt == Tok_Minus;
}
static inline bool FIRST_qualident(int tt) {
return tt == Tok_ident;
}
static inline bool FIRST_trident(int tt) {
return tt == Tok_ident;
}
static inline bool FIRST_identdef(int tt) {
return tt == Tok_ident;
}
static inline bool FIRST_TypeDeclaration(int tt) {
return tt == Tok_ident;
}
static inline bool FIRST_type(int tt) {
switch(tt){
case Tok_Hat:
case Tok_UNION:
case Tok_PROC:
case Tok_PROCEDURE:
case Tok_ident:
case Tok_POINTER:
case Tok_STRUCT:
case Tok_Lbrack:
case Tok_ARRAY:
return true;
default: return false;
}
}
static inline bool FIRST_NamedType(int tt) {
return tt == Tok_ident;
}
static inline bool FIRST_ArrayType(int tt) {
return tt == Tok_Lbrack || tt == Tok_ARRAY;
}
static inline bool FIRST_length(int tt) {
return tt == Tok_unsigned;
}
static inline bool FIRST_StructUnionType(int tt) {
return tt == Tok_UNION || tt == Tok_STRUCT;
}
static inline bool FIRST_FieldList(int tt) {
return tt == Tok_ident;
}
static inline bool FIRST_IdentList(int tt) {
return tt == Tok_ident;
}
static inline bool FIRST_PointerType(int tt) {
return tt == Tok_Hat || tt == Tok_POINTER;
}
static inline bool FIRST_ProcedureType(int tt) {
return tt == Tok_PROC || tt == Tok_PROCEDURE;
}
static inline bool FIRST_VariableDeclaration(int tt) {
return tt == Tok_ident;
}
static inline bool FIRST_ProcedureDeclaration(int tt) {
return tt == Tok_PROC || tt == Tok_PROCEDURE;
}
static inline bool FIRST_ProcedureBody(int tt) {
return tt == Tok_VAR || tt == Tok_BEGIN;
}
static inline bool FIRST_LocalDeclaration(int tt) {
return tt == Tok_ident;
}
static inline bool FIRST_FormalParameters(int tt) {
return tt == Tok_Lpar;
}
static inline bool FIRST_ReturnType(int tt) {
return tt == Tok_ident;
}
static inline bool FIRST_FPSection(int tt) {
return tt == Tok_ident;
}
static inline bool FIRST_module(int tt) {
return tt == Tok_MODULE;
}
static inline bool FIRST_ImportList(int tt) {
return tt == Tok_IMPORT;
}
static inline bool FIRST_import(int tt) {
return tt == Tok_ident;
}
static inline bool FIRST_ImportPath(int tt) {
return tt == Tok_ident;
}
static inline bool FIRST_DeclarationSequence(int tt) {
return tt == Tok_TYPE || tt == Tok_PROC || tt == Tok_PROCEDURE || tt == Tok_VAR;
}
static inline bool FIRST_Expression(int tt) {
switch(tt){
case Tok_LDC_I4_1:
case Tok_CONV_I8:
case Tok_DIV_UN:
case Tok_LDARG_S:
case Tok_CONV_I4:
case Tok_CONV_U8:
case Tok_LDPROC:
case Tok_LDNULL:
case Tok_CONV_U1:
case Tok_LDIND_I2:
case Tok_LDC_I4_2:
case Tok_LDC_I4_7:
case Tok_LDSTR:
case Tok_LDARG_2:
case Tok_LDIND_R8:
case Tok_LDC_I4:
case Tok_OR:
case Tok_LDIND_IP:
case Tok_LDC_I4_3:
case Tok_ADD:
case Tok_LDIND_U8:
case Tok_LDELEM_I1:
case Tok_LDARG_3:
case Tok_CEQ:
case Tok_LDELEM_U4:
case Tok_CONV_R8:
case Tok_LDLOC_0:
case Tok_NEWOBJ:
case Tok_XOR:
case Tok_LDLOC_1:
case Tok_LDIND_U4:
case Tok_LDC_OBJ:
case Tok_SUB:
case Tok_CLT_UN:
case Tok_LDVARA:
case Tok_LDC_R8:
case Tok_LDARGA_S:
case Tok_MUL:
case Tok_LDLOC_S:
case Tok_CONV_U4:
case Tok_SHR:
case Tok_LDC_I8:
case Tok_CLT:
case Tok_LDELEM_I4:
case Tok_LDFLD:
case Tok_LDIND_I1:
case Tok_CONV_U2:
case Tok_CALLI:
case Tok_LDLOCA:
case Tok_CASTPTR:
case Tok_LDIND_U1:
case Tok_LDFLDA:
case Tok_INITOBJ:
case Tok_CGT_UN:
case Tok_LDC_R4:
case Tok_REM_UN:
case Tok_LDC_I4_0:
case Tok_LDC_I4_M1:
case Tok_LDC_I4_S:
case Tok_LDIND_R4:
case Tok_LDIND_U2:
case Tok_LDC_I4_5:
case Tok_LDARG_1:
case Tok_AND:
case Tok_LDLOC_3:
case Tok_SIZEOF:
case Tok_SHR_UN:
case Tok_LDELEM_I8:
case Tok_NOT:
case Tok_LDELEM_U8:
case Tok_LDARG_0:
case Tok_LDELEM_U2:
case Tok_LDELEMA:
case Tok_DIV:
case Tok_CONV_R4:
case Tok_CGT:
case Tok_LDIND_I8:
case Tok_LDELEM_R8:
case Tok_LDELEM_I2:
case Tok_LDELEM_U1:
case Tok_NEWVLA:
case Tok_NEG:
case Tok_NEWARR:
case Tok_LDC_I4_4:
case Tok_LDOBJ:
case Tok_CONV_IP:
case Tok_REM:
case Tok_SHL:
case Tok_LDELEM:
case Tok_LDC_I4_8:
case Tok_CALL:
case Tok_DUP:
case Tok_LDIND_I4:
case Tok_LDARGA:
case Tok_LDELEM_R4:
case Tok_LDVAR:
case Tok_LDLOC_2:
case Tok_LDLOCA_S:
case Tok_CONV_I2:
case Tok_LDC_I4_6:
case Tok_LDELEM_IP:
case Tok_LDARG:
case Tok_CONV_I1:
case Tok_LDLOC:
return true;
default: return false;
}
}
static inline bool FIRST_ExpInstr(int tt) {
switch(tt){
case Tok_LDC_I4_1:
case Tok_CONV_I8:
case Tok_DIV_UN:
case Tok_LDARG_S:
case Tok_CONV_I4:
case Tok_CONV_U8:
case Tok_LDPROC:
case Tok_LDNULL:
case Tok_CONV_U1:
case Tok_LDIND_I2:
case Tok_LDC_I4_2:
case Tok_LDC_I4_7:
case Tok_LDSTR:
case Tok_LDARG_2:
case Tok_LDIND_R8:
case Tok_LDC_I4:
case Tok_OR:
case Tok_LDIND_IP:
case Tok_LDC_I4_3:
case Tok_ADD:
case Tok_LDIND_U8:
case Tok_LDELEM_I1:
case Tok_LDARG_3:
case Tok_CEQ:
case Tok_LDELEM_U4:
case Tok_CONV_R8:
case Tok_LDLOC_0:
case Tok_NEWOBJ:
case Tok_XOR:
case Tok_LDLOC_1:
case Tok_LDIND_U4:
case Tok_LDC_OBJ:
case Tok_SUB:
case Tok_CLT_UN:
case Tok_LDVARA:
case Tok_LDC_R8:
case Tok_LDARGA_S:
case Tok_MUL:
case Tok_LDLOC_S:
case Tok_CONV_U4:
case Tok_SHR:
case Tok_LDC_I8:
case Tok_CLT:
case Tok_LDELEM_I4:
case Tok_LDFLD:
case Tok_LDIND_I1:
case Tok_CONV_U2:
case Tok_CALLI:
case Tok_LDLOCA:
case Tok_CASTPTR:
case Tok_LDIND_U1:
case Tok_LDFLDA:
case Tok_INITOBJ:
case Tok_CGT_UN:
case Tok_LDC_R4:
case Tok_REM_UN:
case Tok_LDC_I4_0:
case Tok_LDC_I4_M1:
case Tok_LDC_I4_S:
case Tok_LDIND_R4:
case Tok_LDIND_U2:
case Tok_LDC_I4_5:
case Tok_LDARG_1:
case Tok_AND:
case Tok_LDLOC_3:
case Tok_SIZEOF:
case Tok_SHR_UN:
case Tok_LDELEM_I8:
case Tok_NOT:
case Tok_LDELEM_U8:
case Tok_LDARG_0:
case Tok_LDELEM_U2:
case Tok_LDELEMA:
case Tok_DIV:
case Tok_CONV_R4:
case Tok_CGT:
case Tok_LDIND_I8:
case Tok_LDELEM_R8:
case Tok_LDELEM_I2:
case Tok_LDELEM_U1:
case Tok_NEWVLA:
case Tok_NEG:
case Tok_NEWARR:
case Tok_LDC_I4_4:
case Tok_LDOBJ:
case Tok_CONV_IP:
case Tok_REM:
case Tok_SHL:
case Tok_LDELEM:
case Tok_LDC_I4_8:
case Tok_CALL:
case Tok_DUP:
case Tok_LDIND_I4:
case Tok_LDARGA:
case Tok_LDELEM_R4:
case Tok_LDVAR:
case Tok_LDLOC_2:
case Tok_LDLOCA_S:
case Tok_CONV_I2:
case Tok_LDC_I4_6:
case Tok_LDELEM_IP:
case Tok_LDARG:
case Tok_CONV_I1:
case Tok_LDLOC:
return true;
default: return false;
}
}
static inline bool FIRST_StatementSequence(int tt) {
switch(tt){
case Tok_LDELEM_R8:
case Tok_NEG:
case Tok_CGT_UN:
case Tok_LDFLDA:
case Tok_LDIND_U4:
case Tok_LDLOC_S:
case Tok_STELEM_I8:
case Tok_SHL:
case Tok_LDELEM_I4:
case Tok_LDARG:
case Tok_LDELEM_U1:
case Tok_LDC_I4_2:
case Tok_STELEM_R4:
case Tok_STELEM_R8:
case Tok_DIV:
case Tok_DISP:
case Tok_LDC_R8:
case Tok_STARG:
case Tok_NOT:
case Tok_LDC_I4_4:
case Tok_STIND_R4:
case Tok_LDC_I4_0:
case Tok_STLOC_3:
case Tok_NEWVLA:
case Tok_CONV_U8:
case Tok_LDIND_U8:
case Tok_LDPROC:
case Tok_LDVARA:
case Tok_POP:
case Tok_LDC_I8:
case Tok_STIND_I4:
case Tok_STIND_I2:
case Tok_STELEM_I2:
case Tok_LDLOC_0:
case Tok_LABEL:
case Tok_WHILE:
case Tok_LDLOC_3:
case Tok_CONV_I2:
case Tok_LDARG_2:
case Tok_STIND_IP:
case Tok_LDC_I4_8:
case Tok_LDIND_I4:
case Tok_LDLOC:
case Tok_LDELEM_U4:
case Tok_LDC_I4_3:
case Tok_LDIND_R4:
case Tok_CONV_I1:
case Tok_SUB:
case Tok_LDELEM_I1:
case Tok_LDLOCA_S:
case Tok_REM:
case Tok_STIND_I8:
case Tok_CONV_U1:
case Tok_CALL:
case Tok_LDVAR:
case Tok_LDC_I4_S:
case Tok_LDELEM_U8:
case Tok_LINE:
case Tok_LDSTR:
case Tok_LDARG_3:
case Tok_CEQ:
case Tok_NEWOBJ:
case Tok_LDIND_U2:
case Tok_LDARG_S:
case Tok_CLT_UN:
case Tok_LOOP:
case Tok_LDFLD:
case Tok_STLOC_1:
case Tok_CONV_R8:
case Tok_STELEM_I4:
case Tok_STLOC:
case Tok_LDC_I4_7:
case Tok_REM_UN:
case Tok_LDARG_1:
case Tok_SHR_UN:
case Tok_LDIND_R8:
case Tok_GOTO:
case Tok_CALLI:
case Tok_LDLOC_1:
case Tok_LDIND_I1:
case Tok_LDELEM_I8:
case Tok_CLT:
case Tok_LDIND_IP:
case Tok_STIND_I1:
case Tok_CONV_U2:
case Tok_LDLOC_2:
case Tok_LDELEM_R4:
case Tok_LDC_I4_5:
case Tok_LDC_I4:
case Tok_CONV_U4:
case Tok_LDELEM_I2:
case Tok_IF:
case Tok_STOBJ:
case Tok_AND:
case Tok_LDELEMA:
case Tok_CONV_I8:
case Tok_REPEAT:
case Tok_LDELEM_U2:
case Tok_CGT:
case Tok_NEWARR:
case Tok_INITOBJ:
case Tok_STLOC_0:
case Tok_CONV_R4:
case Tok_LDIND_I8:
case Tok_STFLD:
case Tok_LDOBJ:
case Tok_DUP:
case Tok_LDARGA_S:
case Tok_LDC_I4_1:
case Tok_LDIND_I2:
case Tok_LDLOCA:
case Tok_CONV_IP:
case Tok_EXIT:
case Tok_LDC_I4_6:
case Tok_STARG_S:
case Tok_STLOC_2:
case Tok_CONV_I4:
case Tok_OR:
case Tok_SHR:
case Tok_STELEM_IP:
case Tok_LDELEM:
case Tok_DIV_UN:
case Tok_STVAR:
case Tok_CASTPTR:
case Tok_STLOC_S:
case Tok_ADD:
case Tok_LDELEM_IP:
case Tok_LDNULL:
case Tok_MUL:
case Tok_SWITCH:
case Tok_LDIND_U1:
case Tok_XOR:
case Tok_LDC_OBJ:
case Tok_STELEM_I1:
case Tok_SIZEOF:
case Tok_LDARGA:
case Tok_LDC_R4:
case Tok_RET:
case Tok_STIND_R8:
case Tok_LDARG_0:
case Tok_LDC_I4_M1:
case Tok_STELEM:
return true;
default: return false;
}
}
static inline bool FIRST_Statement(int tt) {
switch(tt){
case Tok_SWITCH:
case Tok_LABEL:
case Tok_STOBJ:
case Tok_STELEM_R8:
case Tok_STELEM:
case Tok_STELEM_R4:
case Tok_STIND_R4:
case Tok_WHILE:
case Tok_STLOC_0:
case Tok_GOTO:
case Tok_STFLD:
case Tok_DISP:
case Tok_STVAR:
case Tok_LOOP:
case Tok_STIND_I1:
case Tok_STLOC_1:
case Tok_STIND_I4:
case Tok_STELEM_I8:
case Tok_STIND_IP:
case Tok_EXIT:
case Tok_REPEAT:
case Tok_STLOC_2:
case Tok_STELEM_I2:
case Tok_STLOC:
case Tok_STELEM_I4:
case Tok_STIND_R8:
case Tok_STELEM_I1:
case Tok_LINE:
case Tok_STLOC_S:
case Tok_STLOC_3:
case Tok_POP:
case Tok_STELEM_IP:
case Tok_RET:
case Tok_IF:
case Tok_STARG:
case Tok_STIND_I8:
case Tok_STARG_S:
case Tok_STIND_I2:
return true;
default: return false;
}
}
static inline bool FIRST_IfThenElse(int tt) {
return tt == Tok_IF;
}
static inline bool FIRST_Loop(int tt) {
return tt == Tok_LOOP;
}
static inline bool FIRST_Switch(int tt) {
return tt == Tok_SWITCH;
}
static inline bool FIRST_RepeatUntil(int tt) {
return tt == Tok_REPEAT;
}
static inline bool FIRST_WhileDo(int tt) {
return tt == Tok_WHILE;
}
static inline bool FIRST_MetaActuals(int tt) {
return tt == Tok_Lpar;
}
static inline bool FIRST_MetaParams(int tt) {
return tt == Tok_Lpar;
}
static inline bool FIRST_MetaSection(int tt) {
return tt == Tok_TYPE || tt == Tok_ident || tt == Tok_CONST;
}
static inline bool FIRST_ConstExpression(int tt) {
switch(tt){
case Tok_hexstring:
case Tok_Plus:
case Tok_ident:
case Tok_real:
case Tok_unsigned:
case Tok_Minus:
case Tok_string:
return true;
default: return false;
}
}
static inline bool FIRST_constructor(int tt) {
return tt == Tok_hexstring || tt == Tok_ident;
}
static inline bool FIRST_component_list(int tt) {
return tt == Tok_Lbrace;
}
static inline bool FIRST_component(int tt) {
switch(tt){
case Tok_hexstring:
case Tok_Lbrace:
case Tok_Plus:
case Tok_ident:
case Tok_real:
case Tok_unsigned:
case Tok_Minus:
case Tok_string:
return true;
default: return false;
}
}
void Parser::RunParser() {
root = SynTree();
errors.clear();
next();
Mil(&root);
}
void Parser::next() {
cur = la;
la = scanner->next();
while( la.d_type == Tok_Invalid ) {
errors << Error(la.d_val, la.d_lineNr, la.d_colNr, la.d_sourcePath);
la = scanner->next();
}
}
Token Parser::peek(int off) {
if( off == 1 )
return la;
else if( off == 0 )
return cur;
else
return scanner->peek(off-1);
}
void Parser::invalid(const char* what) {
errors << Error(QString("invalid %1").arg(what),la.d_lineNr, la.d_colNr, la.d_sourcePath);
}
bool Parser::expect(int tt, bool pkw, const char* where) {
if( la.d_type == tt || la.d_code == tt) { next(); return true; }
else { errors << Error(QString("'%1' expected in %2").arg(tokenTypeString(tt)).arg(where),la.d_lineNr, la.d_colNr, la.d_sourcePath); return false; }
}
static inline void dummy() {}
void Parser::addTerminal(SynTree* st) {
if( cur.d_type != Tok_Semi && cur.d_type != Tok_Comma && cur.d_type != Tok_Dot && cur.d_type != Tok_Colon ){
SynTree* tmp = new SynTree( cur ); st->d_children.append(tmp);
}
}
void Parser::Mil(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_Mil, la); st->d_children.append(tmp); st = tmp; }
module(st);
}
void Parser::integer(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_integer, la); st->d_children.append(tmp); st = tmp; }
if( la.d_type == Tok_Plus || la.d_type == Tok_Minus ) {
if( la.d_type == Tok_Plus ) {
if( expect(Tok_Plus, false, "integer") ) addTerminal(st);
} else if( la.d_type == Tok_Minus ) {
if( expect(Tok_Minus, false, "integer") ) addTerminal(st);
} else
invalid("integer");
}
if( expect(Tok_unsigned, false, "integer") ) addTerminal(st);
}
void Parser::qualident(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_qualident, la); st->d_children.append(tmp); st = tmp; }
if( ( peek(1).d_type == Tok_ident && peek(2).d_type == Tok_Dot ) ) {
if( expect(Tok_ident, false, "qualident") ) addTerminal(st);
if( expect(Tok_Dot, false, "qualident") ) addTerminal(st);
}
if( expect(Tok_ident, false, "qualident") ) addTerminal(st);
}
void Parser::trident(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_trident, la); st->d_children.append(tmp); st = tmp; }
if( expect(Tok_ident, false, "trident") ) addTerminal(st);
if( expect(Tok_Dot, false, "trident") ) addTerminal(st);
if( expect(Tok_ident, false, "trident") ) addTerminal(st);
if( la.d_type == Tok_Dot ) {
if( expect(Tok_Dot, false, "trident") ) addTerminal(st);
if( expect(Tok_ident, false, "trident") ) addTerminal(st);
}
}
void Parser::identdef(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_identdef, la); st->d_children.append(tmp); st = tmp; }
if( expect(Tok_ident, false, "identdef") ) addTerminal(st);
if( la.d_type == Tok_Star ) {
if( expect(Tok_Star, false, "identdef") ) addTerminal(st);
}
}
void Parser::TypeDeclaration(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_TypeDeclaration, la); st->d_children.append(tmp); st = tmp; }
identdef(st);
if( expect(Tok_Eq, false, "TypeDeclaration") ) addTerminal(st);
type(st);
}
void Parser::type(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_type, la); st->d_children.append(tmp); st = tmp; }
if( FIRST_ArrayType(la.d_type) || FIRST_ArrayType(la.d_code) ) {
ArrayType(st);
} else if( FIRST_StructUnionType(la.d_type) || FIRST_StructUnionType(la.d_code) ) {
StructUnionType(st);
} else if( FIRST_PointerType(la.d_type) || FIRST_PointerType(la.d_code) ) {
PointerType(st);
} else if( FIRST_ProcedureType(la.d_type) ) {
ProcedureType(st);
} else if( FIRST_NamedType(la.d_type) ) {
NamedType(st);
} else
invalid("type");
}
void Parser::NamedType(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_NamedType, la); st->d_children.append(tmp); st = tmp; }
qualident(st);
}
void Parser::ArrayType(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_ArrayType, la); st->d_children.append(tmp); st = tmp; }
if( la.d_code == Tok_ARRAY ) {
if( expect(Tok_ARRAY, true, "ArrayType") ) addTerminal(st);
if( FIRST_length(la.d_type) ) {
length(st);
}
if( expect(Tok_OF, true, "ArrayType") ) addTerminal(st);
NamedType(st);
} else if( la.d_type == Tok_Lbrack ) {
if( expect(Tok_Lbrack, false, "ArrayType") ) addTerminal(st);
if( FIRST_length(la.d_type) ) {
length(st);
}
if( expect(Tok_Rbrack, false, "ArrayType") ) addTerminal(st);
NamedType(st);
} else
invalid("ArrayType");
}
void Parser::length(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_length, la); st->d_children.append(tmp); st = tmp; }
if( expect(Tok_unsigned, false, "length") ) addTerminal(st);
}
void Parser::StructUnionType(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_StructUnionType, la); st->d_children.append(tmp); st = tmp; }
if( la.d_code == Tok_STRUCT ) {
if( expect(Tok_STRUCT, true, "StructUnionType") ) addTerminal(st);
} else if( la.d_code == Tok_UNION ) {
if( expect(Tok_UNION, true, "StructUnionType") ) addTerminal(st);
} else
invalid("StructUnionType");
while( ( !( peek(1).d_code == Tok_END ) ) ) {
FieldList(st);
if( la.d_type == Tok_Semi ) {
if( expect(Tok_Semi, false, "StructUnionType") ) addTerminal(st);
}
}
if( expect(Tok_END, true, "StructUnionType") ) addTerminal(st);
}
void Parser::FieldList(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_FieldList, la); st->d_children.append(tmp); st = tmp; }
IdentList(st);
if( expect(Tok_Colon, false, "FieldList") ) addTerminal(st);
NamedType(st);
}
void Parser::IdentList(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_IdentList, la); st->d_children.append(tmp); st = tmp; }
identdef(st);
while( la.d_type == Tok_Comma || FIRST_identdef(la.d_type) ) {
if( la.d_type == Tok_Comma ) {
if( expect(Tok_Comma, false, "IdentList") ) addTerminal(st);
}
identdef(st);
}
}
void Parser::PointerType(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_PointerType, la); st->d_children.append(tmp); st = tmp; }
if( la.d_code == Tok_POINTER ) {
if( expect(Tok_POINTER, true, "PointerType") ) addTerminal(st);
if( expect(Tok_TO, true, "PointerType") ) addTerminal(st);
} else if( la.d_type == Tok_Hat ) {
if( expect(Tok_Hat, false, "PointerType") ) addTerminal(st);
} else
invalid("PointerType");
NamedType(st);
}
void Parser::ProcedureType(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_ProcedureType, la); st->d_children.append(tmp); st = tmp; }
if( la.d_type == Tok_PROCEDURE ) {
if( expect(Tok_PROCEDURE, false, "ProcedureType") ) addTerminal(st);
} else if( la.d_type == Tok_PROC ) {
if( expect(Tok_PROC, false, "ProcedureType") ) addTerminal(st);
} else
invalid("ProcedureType");
if( FIRST_FormalParameters(la.d_type) ) {
FormalParameters(st);
}
}
void Parser::VariableDeclaration(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_VariableDeclaration, la); st->d_children.append(tmp); st = tmp; }
IdentList(st);
if( expect(Tok_Colon, false, "VariableDeclaration") ) addTerminal(st);
NamedType(st);
}
void Parser::ProcedureDeclaration(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_ProcedureDeclaration, la); st->d_children.append(tmp); st = tmp; }
if( la.d_type == Tok_PROCEDURE ) {
if( expect(Tok_PROCEDURE, false, "ProcedureDeclaration") ) addTerminal(st);
} else if( la.d_type == Tok_PROC ) {
if( expect(Tok_PROC, false, "ProcedureDeclaration") ) addTerminal(st);
} else
invalid("ProcedureDeclaration");
identdef(st);
if( FIRST_FormalParameters(la.d_type) || la.d_code == Tok_INLINE || la.d_code == Tok_INVAR || la.d_code == Tok_INIT || la.d_type == Tok_Semi || FIRST_ProcedureBody(la.d_type) || ( ( peek(1).d_code == Tok_EXTERN || peek(1).d_type == Tok_Semi ) && ( peek(2).d_code == Tok_EXTERN || peek(2).d_type == Tok_ident ) ) ) {
if( FIRST_FormalParameters(la.d_type) ) {
FormalParameters(st);
}
if( la.d_code == Tok_INLINE || la.d_code == Tok_INVAR || la.d_code == Tok_INIT || la.d_type == Tok_Semi || FIRST_ProcedureBody(la.d_type) ) {
if( la.d_code == Tok_INLINE || la.d_code == Tok_INVAR || la.d_code == Tok_INIT ) {
if( la.d_code == Tok_INLINE ) {
if( expect(Tok_INLINE, true, "ProcedureDeclaration") ) addTerminal(st);
} else if( la.d_code == Tok_INVAR ) {
if( expect(Tok_INVAR, true, "ProcedureDeclaration") ) addTerminal(st);
} else if( la.d_code == Tok_INIT ) {
if( expect(Tok_INIT, true, "ProcedureDeclaration") ) addTerminal(st);
} else
invalid("ProcedureDeclaration");
}
if( la.d_type == Tok_Semi ) {
if( expect(Tok_Semi, false, "ProcedureDeclaration") ) addTerminal(st);
}
ProcedureBody(st);
} else if( ( ( peek(1).d_code == Tok_EXTERN || peek(1).d_type == Tok_Semi ) && ( peek(2).d_code == Tok_EXTERN || peek(2).d_type == Tok_ident ) ) ) {
if( la.d_type == Tok_Semi ) {
if( expect(Tok_Semi, false, "ProcedureDeclaration") ) addTerminal(st);
}
if( expect(Tok_EXTERN, true, "ProcedureDeclaration") ) addTerminal(st);
if( la.d_type == Tok_ident ) {
if( expect(Tok_ident, false, "ProcedureDeclaration") ) addTerminal(st);
}
} else
invalid("ProcedureDeclaration");
} else if( la.d_type == Tok_Eq ) {
if( expect(Tok_Eq, false, "ProcedureDeclaration") ) addTerminal(st);
qualident(st);
} else
invalid("ProcedureDeclaration");
}
void Parser::ProcedureBody(SynTree* st) {
if( la.d_type == Tok_VAR ) {
if( expect(Tok_VAR, false, "ProcedureBody") ) addTerminal(st);
while( FIRST_LocalDeclaration(la.d_type) ) {
LocalDeclaration(st);
if( la.d_type == Tok_Semi ) {
if( expect(Tok_Semi, false, "ProcedureBody") ) addTerminal(st);
}
}
}
if( expect(Tok_BEGIN, false, "ProcedureBody") ) addTerminal(st);
StatementSequence(st);
if( expect(Tok_END, false, "ProcedureBody") ) addTerminal(st);
if( expect(Tok_ident, false, "ProcedureBody") ) addTerminal(st);
}
void Parser::LocalDeclaration(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_LocalDeclaration, la); st->d_children.append(tmp); st = tmp; }
IdentList(st);
if( expect(Tok_Colon, false, "LocalDeclaration") ) addTerminal(st);
NamedType(st);
}
void Parser::FormalParameters(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_FormalParameters, la); st->d_children.append(tmp); st = tmp; }
if( expect(Tok_Lpar, false, "FormalParameters") ) addTerminal(st);
if( FIRST_FPSection(la.d_type) ) {
FPSection(st);
while( ( peek(1).d_type == Tok_Semi && peek(2).d_type == Tok_ident ) ) {
if( expect(Tok_Semi, false, "FormalParameters") ) addTerminal(st);
FPSection(st);
}
if( la.d_type == Tok_Semi ) {
if( expect(Tok_Semi, false, "FormalParameters") ) addTerminal(st);
if( expect(Tok_2Dot, false, "FormalParameters") ) addTerminal(st);
}
}
if( expect(Tok_Rpar, false, "FormalParameters") ) addTerminal(st);
if( la.d_type == Tok_Colon ) {
if( expect(Tok_Colon, false, "FormalParameters") ) addTerminal(st);
ReturnType(st);
}
}
void Parser::ReturnType(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_ReturnType, la); st->d_children.append(tmp); st = tmp; }
NamedType(st);
}
void Parser::FPSection(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_FPSection, la); st->d_children.append(tmp); st = tmp; }
if( expect(Tok_ident, false, "FPSection") ) addTerminal(st);
while( la.d_type == Tok_Comma || la.d_type == Tok_ident ) {
if( la.d_type == Tok_Comma ) {
if( expect(Tok_Comma, false, "FPSection") ) addTerminal(st);
}
if( expect(Tok_ident, false, "FPSection") ) addTerminal(st);
}
if( expect(Tok_Colon, false, "FPSection") ) addTerminal(st);
NamedType(st);
}
void Parser::module(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_module, la); st->d_children.append(tmp); st = tmp; }
if( expect(Tok_MODULE, true, "module") ) addTerminal(st);
if( expect(Tok_ident, false, "module") ) addTerminal(st);
if( FIRST_MetaParams(la.d_type) ) {
MetaParams(st);
}
if( la.d_type == Tok_Semi ) {
if( expect(Tok_Semi, false, "module") ) addTerminal(st);
}
while( FIRST_ImportList(la.d_type) || FIRST_DeclarationSequence(la.d_type) ) {
if( FIRST_ImportList(la.d_type) ) {
ImportList(st);
} else if( FIRST_DeclarationSequence(la.d_type) || la.d_type == Tok_IMPORT || la.d_type == Tok_PROC || la.d_type == Tok_VAR || la.d_type == Tok_TYPE || la.d_type == Tok_PROCEDURE || la.d_type == Tok_END ) {
DeclarationSequence(st);
} else
invalid("module");
}
if( expect(Tok_END, false, "module") ) addTerminal(st);
if( expect(Tok_ident, false, "module") ) addTerminal(st);
if( la.d_type == Tok_Dot ) {
if( expect(Tok_Dot, false, "module") ) addTerminal(st);
}
}
void Parser::ImportList(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_ImportList, la); st->d_children.append(tmp); st = tmp; }
if( expect(Tok_IMPORT, false, "ImportList") ) addTerminal(st);
import(st);
while( la.d_type == Tok_Comma || FIRST_import(la.d_type) ) {
if( la.d_type == Tok_Comma ) {
if( expect(Tok_Comma, false, "ImportList") ) addTerminal(st);
}
import(st);
}
if( la.d_type == Tok_Semi ) {
if( expect(Tok_Semi, false, "ImportList") ) addTerminal(st);
}
}
void Parser::import(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_import, la); st->d_children.append(tmp); st = tmp; }
if( ( peek(1).d_type == Tok_ident && peek(2).d_type == Tok_ColonEq ) ) {
if( expect(Tok_ident, false, "import") ) addTerminal(st);
if( expect(Tok_ColonEq, false, "import") ) addTerminal(st);
}
ImportPath(st);
if( expect(Tok_ident, false, "import") ) addTerminal(st);
if( FIRST_MetaActuals(la.d_type) ) {
MetaActuals(st);
}
}
void Parser::ImportPath(SynTree* st) {
{ SynTree* tmp = new SynTree(SynTree::R_ImportPath, la); st->d_children.append(tmp); st = tmp; }
while( ( peek(1).d_type == Tok_ident && peek(2).d_type == Tok_Dot ) ) {
if( expect(Tok_ident, false, "ImportPath") ) addTerminal(st);
if( expect(Tok_Dot, false, "ImportPath") ) addTerminal(st);
}
}
void Parser::DeclarationSequence(SynTree* st) {
while( la.d_type == Tok_TYPE || la.d_type == Tok_VAR || FIRST_ProcedureDeclaration(la.d_type) ) {
if( la.d_type == Tok_TYPE ) {
if( expect(Tok_TYPE, false, "DeclarationSequence") ) addTerminal(st);
while( FIRST_TypeDeclaration(la.d_type) ) {
TypeDeclaration(st);
if( la.d_type == Tok_Semi ) {
if( expect(Tok_Semi, false, "DeclarationSequence") ) addTerminal(st);
}
}
} else if( la.d_type == Tok_VAR ) {
if( expect(Tok_VAR, false, "DeclarationSequence") ) addTerminal(st);
while( FIRST_VariableDeclaration(la.d_type) ) {
VariableDeclaration(st);
if( la.d_type == Tok_Semi ) {
if( expect(Tok_Semi, false, "DeclarationSequence") ) addTerminal(st);