/
compiler.c
1236 lines (1115 loc) · 27.2 KB
/
compiler.c
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# include "Code.h"
# include "expression.h"
# include "compiler.h"
inherit LPC_PARSE_UTIL;
# define LINE "::line"
object stringParser; /* separate parser for strings */
object lineParser; /* #line parser */
/*
* initialize LPC parser
*/
static void create()
{
stringParser = find_object(LPC_STRING_PARSER);
lineParser = find_object(LPC_LINE_PARSER);
}
/*
* compile LPC source code to program
*/
LPCCode compile(string source)
{
mixed *parsed;
tls_set(LINE, 0);
parsed = parse_string("\
ident = /[a-zA-Z_][a-zA-Z_0-9]*/ \
simple_string = /\"[^\"\\\\\n]*\"/ \
complex_string = /\"([^\"\\\\\n]|\\\\.)+\"/ \
simple_char = /'[^'\\\\\n]+'/ \
complex_char = /'([^'\\\\\n]|\\\\.)+'/ \
decimal = /[1-9][0-9]*/ \
octal = /0[0-7]*/ \
hexadecimal = /0[xX][a-fA-F0-9]+/ \
float = /[0-9]+\\.[0-9]+([eE][-+]?[0-9]+)?/ \
float = /\\.[0-9]+([eE][-+]?[0-9]+)?/ \
float = /[0-9]+[eE][-+]?[0-9]+/ \
spaces = /([ \t\v\f\r]|\\/\\*([^*\n]*\\*+[^/*\n])*[^*\n]*\\*+\\/)+/ \
newline = /\n([ \t\v\f\r]|\\/\\*([^*\n]*\\*+[^/*\n])*[^*\n]*\\*+\\/)*/ \
newlines = /(\\/\\*([^*]*\\*+[^/*])*[^*]*\\*+\\/[ \t\v\f\r]*)+/ \
line = /\n([ \t\v\f\r]|\\/\\*([^*\n]*\\*+[^/*\n])*[^*\n]*\\*+\\/)*#[^\n]*/ \
line = /(\\/\\*([^*]*\\*+[^/*])*[^*]*\\*+\\/[ \t\v\f\r]*)+#[^\n]*/ " +
"\
Program: Inherits TopLevelDecls _ ? program \
Inherits: InheritList ? list \
InheritList: \
InheritList: InheritList Inherit \
Inherit: OptPrivate _ 'inherit' OptLabel OptObject StringExp _ ';' \
? inh \
OptPrivate: ? false \
OptPrivate: _ 'private' ? true \
OptLabel: ? opt \
OptLabel: _ ident \
OptObject: \
OptObject: _ 'object' ? empty \
TopLevelDecls: TopLevelDeclList ? list \
TopLevelDeclList: \
TopLevelDeclList: TopLevelDeclList TopLevelDecl \
TopLevelDecl: DataDecl \
TopLevelDecl: FuncDecl " +
"\
DataDecl: ClassType Dcltrs _ ';' ? dataDecl \
FuncDecl: ClassType FunctionDcltr CompoundStmt ? functionDecl \
FuncDecl: Class FunctionName _ '(' Formals _ ')' CompoundStmt \
? voidDecl \
Formals: ? noArguments \
Formals: _ 'void' ? noArguments \
Formals: FormalList ? arguments \
Formals: FormalList _ '...' ? ellipsis \
FormalList: Formal \
FormalList: FormalList _ ',' Formal \
Formal: ClassType DataDcltr ? formal \
Formal: _ ident ? formalMixed " +
"\
ClassType: ClassSpecList _ TypeSpec ? classType \
ClassType: ClassSpecList _ 'object' ListExp ? classTypeName \
Class: ClassSpecList ? classType \
ClassSpecList: \
ClassSpecList: ClassSpecList _ ClassSpec \
ClassSpec: 'private' \
ClassSpec: 'static' \
ClassSpec: 'atomic' \
ClassSpec: 'nomask' \
ClassSpec: 'varargs' \
TypeSpec: 'int' \
TypeSpec: 'float' \
TypeSpec: 'string' \
TypeSpec: 'object' \
TypeSpec: 'mapping' \
TypeSpec: 'mixed' \
TypeSpec: 'void' \
DataDcltr: Stars _ ident ? addLine \
Stars: StarList ? count \
StarList: \
StarList: StarList _ '*' " +
"\
FunctionName: _ ident ? addLine \
FunctionName: _ Operator ? opLine \
Operator: 'operator' _ '+' \
Operator: 'operator' _ '-' \
Operator: 'operator' _ '*' \
Operator: 'operator' _ '/' \
Operator: 'operator' _ '%' \
Operator: 'operator' _ '&' \
Operator: 'operator' _ '^' \
Operator: 'operator' _ '|' \
Operator: 'operator' _ '<' \
Operator: 'operator' _ '>' \
Operator: 'operator' _ '>=' \
Operator: 'operator' _ '<=' \
Operator: 'operator' _ '<<' \
Operator: 'operator' _ '>>' \
Operator: 'operator' _ '~' \
Operator: 'operator' _ '++' \
Operator: 'operator' _ '--' \
Operator: 'operator' _ '[' _ ']' \
Operator: 'operator' _ '[' _ ']' _ '=' \
Operator: 'operator' _ '[' _ '..' _ ']' " +
"\
FunctionDcltr: Stars FunctionName _ '(' Formals _ ')' \
Dcltr: DataDcltr ? list \
Dcltr: FunctionDcltr ? list \
Dcltrs: ListDcltr ? noCommaList \
ListDcltr: Dcltr \
ListDcltr: ListDcltr _ ',' Dcltr \
Locals: ListLocal ? list \
ListLocal: \
ListLocal: ListLocal DataDecl \
Exception: ident \
Exception: '...' \
ListStmt: \
ListStmt: ListStmt Stmt ? listStmt " +
"\
IfStmt: _ 'if' _ '(' ListExp _ ')' Stmt ? ifStmt \
Stmt: BStmt \
Stmt: IfStmt \
Stmt: Entries IfStmt ? entryStmt \
BStmt: EStmt \
BStmt: Entries EStmt ? entryStmt \
EStmt: ListExp _ ';' ? expStmt \
EStmt: CompoundStmt \
EStmt: _ 'if' _ '(' ListExp _ ')' BStmt _ 'else' Stmt ? ifElseStmt \
EStmt: _ 'do' Stmt _ 'while' _ '(' ListExp _ ')' _ ';' ? doWhileStmt \
EStmt: _ 'while' _ '(' ListExp _ ')' Stmt ? whileStmt \
EStmt: _ 'for' _ '(' OptListExp _ ';' \
OptListExp _ ';' \
OptListExp _ ')' Stmt ? forStmt \
EStmt: _ 'rlimits' _ '(' ListExp _ ';' \
ListExp _ ')' CompoundStmt ? rlimitsStmt \
EStmt: _ 'try' CompoundStmt \
_ 'catch' _ '(' _ Exception _ ')' CompoundStmt ? tryCatchStmt \
EStmt: _ 'catch' CompoundStmt _ ':' Stmt ? catchErrStmt \
EStmt: _ 'catch' CompoundStmt ? catchStmt " +
"\
EStmt: _ 'switch' _ '(' ListExp _ ')' CompoundStmt ? switchStmt \
EStmt: _ 'goto' _ ident _ ';' ? gotoStmt \
EStmt: _ 'break' _ ';' ? breakStmt \
EStmt: _ 'continue' _ ';' ? continueStmt \
EStmt: _ 'return' ListExp _ ';' ? returnExpStmt \
EStmt: _ 'return' _ ';' ? returnStmt \
EStmt: _ ';' ? emptyStmt \
Entries: _ Entry \
Entries: Entries _ Entry \
Entry: 'case' Exp _ ':' ? caseEntry \
Entry: 'case' Exp _ '..' Exp _ ':' ? rangeEntry \
Entry: 'default' _ ':' ? defaultEntry \
Entry: ident _ ':' ? labelEntry \
CompoundStmt: _ '{' Locals ListStmt _ '}' ? compoundStmt " +
"\
FunctionCall: FunctionName \
FunctionCall: _ '::' FunctionName \
FunctionCall: _ ident _ '::' FunctionName \
String: _ simple_string ? simpleString \
String: _ complex_string ? complexString \
CompositeString: StringExp \
CompositeString: CompositeString _ '+' StringExp ? stringExp \
StringExp: String \
StringExp: _ '(' CompositeString _ ')' ? parsed_1_ " +
"\
Exp1: _ decimal ? expIntDec \
Exp1: _ octal ? expIntOct \
Exp1: _ hexadecimal ? expIntHex \
Exp1: _ simple_char ? simpleChar \
Exp1: _ complex_char ? complexChar \
Exp1: _ float ? expFloat \
Exp1: _ 'nil' ? expNil \
Exp1: String \
Exp1: _ '(' _ '{' OptArgListComma _ '}' _ ')' ? expArray \
Exp1: _ '(' _ '[' OptAssocListComma _ ']' _ ')' ? expMapping \
Exp1: _ ident ? expVar \
Exp1: _ '::' _ ident ? expGlobalVar \
Exp1: _ '(' ListExp _ ')' ? parsed_1_ \
Exp1: FunctionCall _ '(' OptArgList _ ')' ? expFuncall \
Exp1: _ 'catch' _ '(' ListExp _ ')' ? expCatch \
Exp1: _ 'new' OptObject StringExp ? expNew1 \
Exp1: _ 'new' OptObject StringExp _ '(' OptArgList _ ')'? expNew2 \
Exp1: Exp2 _ '->' _ ident _ '(' OptArgList _ ')' ? expCallOther \
Exp1: Exp2 _ '<-' StringExp ? expInstance " +
"\
Exp2: Exp1 \
Exp2: Exp2 _ '[' ListExp _ ']' ? expIndex \
Exp2: Exp2 _ '[' OptListExp _ '..' OptListExp _ ']' ? expRange " +
"\
PostfixExp: Exp2 \
PostfixExp: PostfixExp _ '++' ? expPostIncr \
PostfixExp: PostfixExp _ '--' ? expPostDecr " +
"\
PrefixExp: PostfixExp \
PrefixExp: _ '++' CastExp ? expPreIncr \
PrefixExp: _ '--' CastExp ? expPreDecr \
PrefixExp: _ '+' CastExp ? expPlus \
PrefixExp: _ '-' CastExp ? expMinus \
PrefixExp: _ '!' CastExp ? expNot \
PrefixExp: _ '~' CastExp ? expNegate " +
"\
CastExp: PrefixExp \
CastExp: _ '(' ClassType Stars _ ')' CastExp ? expCast " +
"\
MultExp: CastExp \
MultExp: MultExp _ '*' CastExp ? expMult \
MultExp: MultExp _ '/' CastExp ? expDiv \
MultExp: MultExp _ '%' CastExp ? expMod " +
"\
AddExp: MultExp \
AddExp: AddExp _ '+' MultExp ? expAdd \
AddExp: AddExp _ '-' MultExp ? expSub " +
"\
ShiftExp: AddExp \
ShiftExp: ShiftExp _ '<<' AddExp ? expLShift \
ShiftExp: ShiftExp _ '>>' AddExp ? expRShift " +
"\
RelExp: ShiftExp \
RelExp: RelExp _ '<' ShiftExp ? expLess \
RelExp: RelExp _ '>' ShiftExp ? expGreater \
RelExp: RelExp _ '<=' ShiftExp ? expLessEq \
RelExp: RelExp _ '>=' ShiftExp ? expGreaterEq " +
"\
EquExp: RelExp \
EquExp: EquExp _ '==' RelExp ? expEqual \
EquExp: EquExp _ '!=' RelExp ? expUnequal " +
"\
BitandExp: EquExp \
BitandExp: BitandExp _ '&' EquExp ? expAnd " +
"\
BitxorExp: BitandExp \
BitxorExp: BitxorExp _ '^' BitandExp ? expXor " +
"\
BitorExp: BitxorExp \
BitorExp: BitorExp _ '|' BitxorExp ? expOr " +
"\
AndExp: BitorExp \
AndExp: AndExp _ '&&' BitorExp ? expLand " +
"\
OrExp: AndExp \
OrExp: OrExp _ '||' AndExp ? expLor " +
"\
CondExp: OrExp \
CondExp: OrExp _ '?' ListExp _ ':' CondExp ? expQuest " +
"\
Exp: CondExp \
Exp: CondExp _ '=' Exp ? expAssign \
Exp: CondExp _ '+=' Exp ? expAsgnAdd \
Exp: CondExp _ '-=' Exp ? expAsgnSub \
Exp: CondExp _ '*=' Exp ? expAsgnMult \
Exp: CondExp _ '/=' Exp ? expAsgnDiv \
Exp: CondExp _ '%=' Exp ? expAsgnMod \
Exp: CondExp _ '<<=' Exp ? expAsgnLShift \
Exp: CondExp _ '>>=' Exp ? expAsgnRShift \
Exp: CondExp _ '&=' Exp ? expAsgnAnd \
Exp: CondExp _ '^=' Exp ? expAsgnXor \
Exp: CondExp _ '|=' Exp ? expAsgnOr " +
"\
ListExp: Exp \
ListExp: ListExp _ ',' Exp ? expComma \
OptListExp: ? opt \
OptListExp: ListExp " +
"\
ArgList: Exp \
ArgList: ArgList _ ',' Exp \
OptArgList: ? noArguments \
OptArgList: ArgList ? arguments \
OptArgList: ArgList _ '...' ? ellipsis \
OptArgListComma: ? list \
OptArgListComma: ArgList ? noCommaList \
OptArgListComma: ArgList _ ',' ? noCommaList " +
"\
AssocPair: Exp _ ':' Exp ? parsed_0_2_ \
AssocList: AssocPair \
AssocList: AssocList _ ',' AssocPair \
OptAssocListComma: ? list \
OptAssocListComma: AssocList ? noCommaList \
OptAssocListComma: AssocList _ ',' ? noCommaList " +
"\
_: \
_: _ spaces ? empty \
_: _ newline ? newline \
_: _ newlines ? newlines \
_: _ line ? line ",
"\n" + source);
return (parsed) ? parsed[0] : nil;
}
/*
* ({ ({ }), ({ }) })
*/
static mixed *program(mixed *parsed)
{
return ({ new LPCProgram(parsed[0], parsed[1]) });
}
/*
* ({ private, "inherit", label, LPCExpression })
*/
static mixed *inh(mixed *parsed)
{
return ({ new LPCInherit(parsed[0], parsed[2], parsed[3]) });
}
/*
* ({ "private", "int" })
*/
static mixed *classType(mixed *parsed)
{
return ({ implode(parsed, " "), nil, tls_get(LINE) });
}
/*
* ({ "private", "object", LPCExpression })
*/
static mixed *classTypeName(mixed *parsed)
{
int sz;
sz = sizeof(parsed);
return ({ implode(parsed[.. sz - 2], " "), parsed[sz - 1], tls_get(LINE) });
}
/*
* add line to data or function declaration
*/
static mixed *addLine(mixed *parsed)
{
return parsed + ({ tls_get(LINE) });
}
/*
* add line to operator function declaration
*/
static mixed *opLine(mixed *parsed)
{
return ({ implode(parsed, ""), tls_get(LINE) });
}
/*
* ({ parsed1, ",", parsed2 })
*/
static mixed *noCommaList(mixed *parsed)
{
return ({ parsed - ({ "," }) });
}
/*
* ({ "private int", nil, 100, ({ ({ 0, "a", 100 }), ({ 1, "b", 100 }) }) })
*/
static mixed *dataDecl(mixed *parsed)
{
mixed *decls;
int i, sz;
LPCType type;
decls = parsed[3];
for (i = 0, sz = sizeof(decls); i < sz; i++) {
type = new LPCType(parsed[0], parsed[1], decls[i][0], parsed[2]);
decls[i] = (sizeof(decls[i]) == 3) ?
new LPCVariable(type, decls[i][1], decls[i][2]) :
new LPCFunction(type, decls[i][1], decls[i][4], decls[i][5],
nil, decls[i][2]);
}
return decls;
}
/*
* ({ })
*/
static mixed *noArguments(mixed *parsed)
{
return ({ ({ }), FALSE });
}
/*
* ({ parsed1, ",", parsed2 })
*/
static mixed *arguments(mixed *parsed)
{
return ({ parsed - ({ "," }), FALSE });
}
/*
* ({ parsed1, ",", parsed2, "..." })
*/
static mixed *ellipsis(mixed *parsed)
{
return ({ parsed[.. sizeof(parsed) - 2] - ({ "," }), TRUE });
}
/*
* ({ "private int", nil, 100, 0, "a", 100 })
*/
static mixed *formal(mixed *parsed)
{
return ({
new LPCDeclaration(new LPCType(parsed[0], parsed[1], parsed[3],
parsed[2]),
parsed[4], parsed[5])
});
}
/*
* ({ "a" })
*/
static mixed *formalMixed(mixed *parsed)
{
int line;
line = tls_get(LINE);
return ({
new LPCDeclaration(new LPCType("mixed", nil, 0, line), parsed[0], line)
});
}
/*
* ({
* "private int", nil, 100, 0, "func", 100, '(' ({ }), FALSE, ')',
* LPCStmtBlock
* })
*/
static mixed *functionDecl(mixed *parsed)
{
return ({
new LPCFunction(new LPCType(parsed[0], parsed[1], parsed[3], parsed[2]),
parsed[4], parsed[7], parsed[8], parsed[10], parsed[5])
});
}
/*
* ({ "private", nil, 100, "func", 100, '(', ({ }), FALSE, ')', LPCStmtBlock })
*/
static mixed *voidDecl(mixed *parsed)
{
return ({
new LPCFunction(new LPCType(parsed[0], parsed[1], 0, parsed[2]),
parsed[3], parsed[6], parsed[7], parsed[9], parsed[4])
});
}
/*
* ({ firstStmt, lastStmt, additionalStmt })
*/
static mixed *listStmt(mixed *parsed)
{
if (sizeof(parsed) == 1) {
return ({ parsed[0], parsed[0] });
}
parsed[1]->setNext(parsed[2]);
return ({ parsed[0], parsed[2] });
}
/*
* ({ LPCExpression, ";" })
*/
static mixed *expStmt(mixed *parsed)
{
return ({ new LPCStmtExp(parsed[0]) });
}
/*
* ({ ";" })
*/
static mixed *emptyStmt(mixed *parsed)
{
return ({ new LPCStatement });
}
/*
* ({ "{" ({ }), firstStmt, lastStmt, "}" })
*/
static mixed *compoundStmt(mixed *parsed)
{
return ({
new LPCStmtBlock(parsed[1], ((sizeof(parsed) == 3) ? nil : parsed[2]))
});
}
/*
* ({ "1234" })
*/
static mixed *expIntDec(mixed *parsed)
{
return ({ new LPCExpression((int) parsed[0], tls_get(LINE)) });
}
/*
* ({ "0123" })
*/
static mixed *expIntOct(mixed *parsed)
{
return ({
new LPCExpression(stringParser->octalInt(parsed[0]), tls_get(LINE))
});
}
/*
* ({ "0x123" })
*/
static mixed *expIntHex(mixed *parsed)
{
return ({
new LPCExpression(stringParser->hexadecimalInt(parsed[0]),
tls_get(LINE))
});
}
/*
* ({ "12.34" })
*/
static mixed *expFloat(mixed *parsed)
{
return ({ new LPCExpression((float) parsed[0], tls_get(LINE)) });
}
/*
* ({ "\"abc\"" })
*/
static mixed *simpleString(mixed *parsed)
{
string str;
str = parsed[0];
str = str[1 .. strlen(str) - 2];
return ({ new LPCExpression(str, tls_get(LINE)) });
}
/*
* ({ "\"ab\\nc\"" })
*/
static mixed *complexString(mixed *parsed)
{
string str;
str = parsed[0];
str = str[1 .. strlen(str) - 2];
return ({ new LPCExpression(stringParser->parse(str), tls_get(LINE)) });
}
/*
* ({ CompositeString, "+", StringExp })
*/
static mixed *stringExp(mixed *parsed)
{
return ({
new LPCExpression(parsed[0]->value() + parsed[2]->value(),
tls_get(LINE))
});
}
/*
* ({ "'a'" })
*/
static mixed *simpleChar(mixed *parsed)
{
return ({ new LPCExpression(parsed[0][1], tls_get(LINE)) });
}
/*
* ({ "'\\n'" })
*/
static mixed *complexChar(mixed *parsed)
{
string str;
str = parsed[0];
str = str[1 .. strlen(str) - 2];
return ({ new LPCExpression(stringParser->parse(str)[0], tls_get(LINE)) });
}
/*
* ({ "nil" })
*/
static mixed *expNil(mixed *parsed)
{
return ({ new LPCExpression(nil, tls_get(LINE)) });
}
/*
* ({ "(", "{", ({ }), "}", ")" })
*/
static mixed *expArray(mixed *parsed)
{
return ({ new LPCExpArray(parsed[2]) });
}
/*
* ({ "(", "[", ({ }), "]", ")" })
*/
static mixed *expMapping(mixed *parsed)
{
return ({ new LPCExpMapping(parsed[2]) });
}
/*
* ({ "a" })
*/
static mixed *expVar(mixed *parsed)
{
return ({ new LPCExpVar(parsed[0]) });
}
/*
* ({ "::", "a" })
*/
static mixed *expGlobalVar(mixed *parsed)
{
return ({ new LPCExpGlobalVar(parsed[1]) });
}
/*
* ({ "func", 100, "(", ({ }), FALSE, ")" })
*/
static mixed *expFuncall(mixed *parsed)
{
switch (sizeof(parsed)) {
case 6:
/* func() */
return ({
new LPCExpFuncall(parsed[0], parsed[3], parsed[4], parsed[1])
});
case 7:
/* ::func() */
return ({
new LPCExpInhFuncall(nil, parsed[1], parsed[4], parsed[5],
parsed[2])
});
case 8:
/* label::func() */
return ({
new LPCExpInhFuncall(parsed[0], parsed[2], parsed[5], parsed[6],
parsed[3])
});
}
}
/*
* ({ "catch", "(", LPCExpression, ")" })
*/
static mixed *expCatch(mixed *parsed)
{
return ({ new LPCExp1(LPC_EXP_CATCH, parsed[2]) });
}
/*
* ({ "new", LPCExpression })
*/
static mixed *expNew1(mixed *parsed)
{
return ({ new LPCExpFuncall("new_object", ({ parsed[1] }), FALSE) });
}
/*
* ({ "new", LPCExpression, "(", ({ }), FALSE, ")" })
*/
static mixed *expNew2(mixed *parsed)
{
return ({
new LPCExpFuncall("new_object", ({ parsed[1] }) + parsed[3],
parsed[4])
});
}
/*
* ({ LPCExpression, "->", "func", "(", ({ }), FALSE, ")" })
*/
static mixed *expCallOther(mixed *parsed)
{
return ({
new LPCExpFuncall("call_other",
({
parsed[0], new LPCExpression(parsed[2])
}) + parsed[4],
parsed[5])
});
}
/*
* ({ LPCExpression, "<-", LPCExpression })
*/
static mixed *expInstance(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_INSTANCEOF, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "[", LPCExpression, "]" })
*/
static mixed *expIndex(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_INDEX, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "[", LPCExpression, "..", LPCExpression, "]" })
*/
static mixed *expRange(mixed *parsed)
{
return ({ new LPCExp3(LPC_EXP_RANGE, parsed[0], parsed[2], parsed[4]) });
}
/*
* ({ LPCExpression, "++" })
*/
static mixed *expPostIncr(mixed *parsed)
{
return ({ new LPCExp1(LPC_EXP_POST_INCR, parsed[0]) });
}
/*
* ({ LPCExpression, "--" })
*/
static mixed *expPostDecr(mixed *parsed)
{
return ({ new LPCExp1(LPC_EXP_POST_DECR, parsed[0]) });
}
/*
* ({ "++", LPCExpression })
*/
static mixed *expPreIncr(mixed *parsed)
{
return ({ new LPCExp1(LPC_EXP_PRE_INCR, parsed[1]) });
}
/*
* ({ "--", LPCExpression })
*/
static mixed *expPreDecr(mixed *parsed)
{
return ({ new LPCExp1(LPC_EXP_PRE_DECR, parsed[1]) });
}
/*
* ({ "+", LPCExpression })
*/
static mixed *expPlus(mixed *parsed)
{
return ({ new LPCExp1(LPC_EXP_UPLUS, parsed[1]) });
}
/*
* ({ "-", LPCExpression })
*/
static mixed *expMinus(mixed *parsed)
{
return ({ new LPCExp1(LPC_EXP_UMIN, parsed[1]) });
}
/*
* ({ "!", LPCExpression })
*/
static mixed *expNot(mixed *parsed)
{
return ({ new LPCExp1(LPC_EXP_NOT, parsed[1]) });
}
/*
* ({ "~", LPCExpression })
*/
static mixed *expNegate(mixed *parsed)
{
return ({ new LPCExp1(LPC_EXP_NEG, parsed[1]) });
}
/*
* ({ "(", "private int", nil, 100, 0, ")", LPCExpression })
*/
static mixed *expCast(mixed *parsed)
{
return ({
new LPCExpCast(new LPCType(parsed[1], parsed[2], parsed[4], parsed[3]),
parsed[6])
});
}
/*
* ({ LPCExpression, "*", LPCExpression })
*/
static mixed *expMult(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_MULT, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "/", LPCExpression })
*/
static mixed *expDiv(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_DIV, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "%", LPCExpression })
*/
static mixed *expMod(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_MOD, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "+", LPCExpression })
*/
static mixed *expAdd(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_ADD, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "-", LPCExpression })
*/
static mixed *expSub(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_SUB, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "<<", LPCExpression })
*/
static mixed *expLShift(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_LSHIFT, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, ">>", LPCExpression })
*/
static mixed *expRShift(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_RSHIFT, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "<", LPCExpression })
*/
static mixed *expLess(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_LT, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, ">", LPCExpression })
*/
static mixed *expGreater(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_GT, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "<=", LPCExpression })
*/
static mixed *expLessEq(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_LE, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, ">=", LPCExpression })
*/
static mixed *expGreaterEq(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_GE, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "==", LPCExpression })
*/
static mixed *expEqual(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_EQ, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "!=", LPCExpression })
*/
static mixed *expUnequal(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_NE, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "&", LPCExpression })
*/
static mixed *expAnd(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_AND, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "^", LPCExpression })
*/
static mixed *expXor(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_XOR, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "|", LPCExpression })
*/
static mixed *expOr(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_OR, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "&&", LPCExpression })
*/
static mixed *expLand(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_LAND, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "||", LPCExpression })
*/
static mixed *expLor(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_LOR, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "?", LPCExpression, ":", LPCExpression })
*/
static mixed *expQuest(mixed *parsed)
{
return ({ new LPCExp3(LPC_EXP_QUEST, parsed[0], parsed[2], parsed[4]) });
}
/*
* ({ LPCExpression, "=", LPCExpression })
*/
static mixed *expAssign(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_ASSIGN, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "+=", LPCExpression })
*/
static mixed *expAsgnAdd(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_ASSIGN_ADD, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "-=", LPCExpression })
*/
static mixed *expAsgnSub(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_ASSIGN_SUB, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "*=", LPCExpression })
*/
static mixed *expAsgnMult(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_ASSIGN_MULT, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "/=", LPCExpression })
*/
static mixed *expAsgnDiv(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_ASSIGN_DIV, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "%=", LPCExpression })
*/
static mixed *expAsgnMod(mixed *parsed)
{
return ({ new LPCExp2(LPC_EXP_ASSIGN_MOD, parsed[0], parsed[2]) });
}
/*
* ({ LPCExpression, "<<=", LPCExpression })