final static int TT_EOF = 0;
final static int TT_UNDEFINED = 1;
+ final static int TT_MOD = 30;
final static int TT_NOT = 31;
final static int TT_DOT = 32;
final static int TT_POW = 33;
- final static int TT_DIVIDE = 34;
+ final static int TT_DIV = 34;
final static int TT_MULTIPLY = 35;
final static int TT_SUBTRACT = 36;
final static int TT_ADD = 37;
final static int TT_FOREACH = 51;
final static int TT_AMPERSAND = 52;
final static int TT_DOLLARLISTOPEN = 53;
+ final static int TT_TILDE = 54;
+
final static int TT_ARGOPEN = 128;
final static int TT_ARGCLOSE = 129;
final static int TT_LISTOPEN = 130;
final static int TT_PARTOPEN = 132;
final static int TT_PARTCLOSE = 133;
final static int TT_COMMA = 134;
- final static int TT_PERCENT = 135;
+
final static int TT_STRING = 136;
final static int TT_IDENTIFIER = 138;
final static int TT_DIGIT = 139;
final static int TT_DOUBLE_NUMBER = 152;
final static int TT_INTERPOLATED_STRING = 153;
final static int TT_STRING_CONSTANT = 154;
+
+ final static int TT_LSHIFT = 155;
+ final static int TT_RSHIFT = 156;
+ final static int TT_EX_EQUAL = 157;
+ final static int TT_EX_UNEQUAL = 158;
+ final static int TT_LINE = 159;
// final static int TT_AT = 153; // @
/**
* Class Constructor.
continue;
} else if (ch == '"') {
// read string until end
- while ((str.length() > chIndx) && (str.charAt(chIndx++) != '"')) {
- if (str.charAt(chIndx) == '\\') {
+ boolean openString = true;
+ while (str.length() > chIndx) {
+ ch = str.charAt(chIndx++);
+ if (ch == '\\') {
if (str.length() > chIndx) {
- chIndx++;
- }
- if (str.length() > chIndx) {
- chIndx++;
+ ch = str.charAt(chIndx++);
}
+ } else if (ch == '"') {
+ openString = false;
+ break;
} else {
- if (str.charAt(chIndx) == '\n') {
+ if (ch == '\n') {
rowCount++;
columnCount = chIndx;
}
}
}
- // if (str.length() > chIndx) {
- // chIndx++;
- // }
+ if (openString) {
+ throwSyntaxError("Open string character '\"' at end of file.");
+ }
token = TT_INTERPOLATED_STRING;
return;
} else if (ch == '\'') {
// read string until end
- while ((str.length() > chIndx) && (str.charAt(chIndx++) != '\'')) {
- if (str.charAt(chIndx) == '\\') {
+ boolean openString = true;
+ while (str.length() > chIndx) {
+ ch = str.charAt(chIndx++);
+ if (ch == '\\') {
if (str.length() > chIndx) {
- chIndx++;
+ ch = str.charAt(chIndx++);
}
- if (str.length() > chIndx) {
- chIndx++;
+ } else if (ch == '\'') {
+ openString = false;
+ break;
+ } else {
+ if (ch == '\n') {
+ rowCount++;
+ columnCount = chIndx;
}
}
}
- // if (str.length() > chIndx) {
- // chIndx++;
- // }
+ if (openString) {
+ throwSyntaxError("Open string character \"'\" at end of file.");
+ }
token = TT_STRING_CONSTANT;
return;
}
token = TT_COMMA;
break;
+ case '~' :
+ token = TT_TILDE;
+ break;
case '.' :
token = TT_DOT;
if (str.length() > chIndx) {
break;
case '%' :
- token = TT_PERCENT;
+ token = TT_MOD;
break;
case ';' :
break;
case '/' :
- token = TT_DIVIDE;
+ token = TT_DIV;
if (str.length() > chIndx) {
if (str.charAt(chIndx) == '=') {
if (ch == '=') {
chIndx++;
token = TT_EQUAL;
+ if (str.length() > chIndx) {
+ ch = str.charAt(chIndx);
+ if (ch == '=') {
+ chIndx++;
+ token = TT_EX_EQUAL;
+ }
+ }
break;
}
if (ch == '>') {
if (str.charAt(chIndx) == '=') {
chIndx++;
token = TT_UNEQUAL;
+ if (str.length() > chIndx) {
+ ch = str.charAt(chIndx);
+ if (ch == '=') {
+ chIndx++;
+ token = TT_EX_UNEQUAL;
+ }
+ }
break;
}
}
break;
}
+ if (str.charAt(chIndx) == '>') {
+ chIndx++;
+ token = TT_RSHIFT;
+
+ break;
+ }
}
break;
break;
}
+ if (str.charAt(chIndx) == '<') {
+ chIndx++;
+ token = TT_LSHIFT;
+
+ break;
+ }
}
break;
case '|' :
+ token = TT_LINE;
+
if (str.length() > chIndx) {
if (str.charAt(chIndx) == '|') {
chIndx++;
token = TT_IDENTIFIER;
}
getChar();
- while ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || (ch >= '0' && ch <= '9') || (ch >= '_')) {
+ while ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || (ch >= '0' && ch <= '9') || (ch == '_')) {
ident.append(ch);
getChar();
}
do {
statement();
if ((token == TT_LISTCLOSE)
+ || (token == TT_case)
+ || (token == TT_default)
|| (token == TT_elseif)
|| (token == TT_endif)
|| (token == TT_endfor)
} while (true);
}
+ public void compoundStatement() {
+ // '{' [statement-list] '}'
+ if (token == TT_LISTOPEN) {
+ getNextToken();
+ } else {
+ throwSyntaxError("'{' expected in compound-statement.");
+ }
+ if (token != TT_LISTCLOSE) {
+ statementList();
+ }
+ if (token == TT_LISTCLOSE) {
+ getNextToken();
+ } else {
+ throwSyntaxError("'}' expected in compound-statement.");
+ }
+ }
+
public void statement() {
- while (token != TT_UNDEFINED && token != TT_EOF) {
- if (token > TT_KEYWORD) {
- if (token == TT_case) {
+ if (token > TT_KEYWORD && token != TT_list) {
+ String keyword = identifier;
+ if (token == TT_include || token == TT_include_once) {
+ getNextToken();
+ expression();
+ if (token == TT_SEMICOLON) {
getNextToken();
- constant();
- if (token == TT_DDOT) {
- getNextToken();
- statement();
- } else {
- throwSyntaxError("':' character after 'case' constant expected.");
- }
- return;
- } else if (token == TT_default) {
+ } else {
+ throwSyntaxError("';' character after 'include' or 'include_once' expected.");
+ }
+ return;
+ } else if (token == TT_require || token == TT_require_once) {
+ getNextToken();
+ //constant();
+ expression();
+ if (token == TT_SEMICOLON) {
getNextToken();
- if (token == TT_DDOT) {
- getNextToken();
- statement();
- } else {
- throwSyntaxError("':' character after 'default' expected.");
- }
- return;
- } else if (token == TT_include || token == TT_include_once) {
+ } else {
+ throwSyntaxError("';' character after 'require' or 'require_once' expected.");
+ }
+ return;
+ } else if (token == TT_if) {
+ getNextToken();
+ if (token == TT_ARGOPEN) {
+ getNextToken();
+ } else {
+ throwSyntaxError("'(' expected after 'if' keyword.");
+ }
+ expression();
+ if (token == TT_ARGCLOSE) {
+ getNextToken();
+ } else {
+ throwSyntaxError("')' expected after 'if' condition.");
+ }
+ ifStatement();
+ return;
+
+ } else if (token == TT_switch) {
+ getNextToken();
+ if (token == TT_ARGOPEN) {
+ getNextToken();
+ } else {
+ throwSyntaxError("'(' expected after 'switch' keyword.");
+ }
+ expression();
+ if (token == TT_ARGCLOSE) {
+ getNextToken();
+ } else {
+ throwSyntaxError("')' expected after 'switch' condition.");
+ }
+ switchStatement();
+ return;
+ } else if (token == TT_for) {
+ getNextToken();
+ if (token == TT_ARGOPEN) {
getNextToken();
+ } else {
+ throwSyntaxError("'(' expected after 'for' keyword.");
+ }
+ if (token == TT_SEMICOLON) {
+ getNextToken();
+ } else {
expression();
if (token == TT_SEMICOLON) {
getNextToken();
} else {
- throwSyntaxError("';' character after 'include' or 'include_once' expected.");
+ throwSyntaxError("';' character after 'for' expected.");
}
- return;
- } else if (token == TT_require || token == TT_require_once) {
+ }
+ if (token == TT_SEMICOLON) {
getNextToken();
- //constant();
+ } else {
expression();
if (token == TT_SEMICOLON) {
getNextToken();
} else {
- throwSyntaxError("';' character after 'require' or 'require_once' expected.");
+ throwSyntaxError("';' character after 'for' expected.");
}
- return;
- } else if (token == TT_if) {
+ }
+ if (token == TT_ARGCLOSE) {
getNextToken();
- if (token == TT_ARGOPEN) {
- getNextToken();
- } else {
- throwSyntaxError("'(' expected after 'if' keyword.");
- }
+ } else {
expression();
if (token == TT_ARGCLOSE) {
getNextToken();
} else {
- throwSyntaxError("')' expected after 'if' condition.");
+ throwSyntaxError("')' expected after 'for' condition.");
}
- ifStatement();
- return;
-
- } else if (token == TT_switch) {
+ }
+ forStatement();
+ return;
+ } else if (token == TT_while) {
+ getNextToken();
+ if (token == TT_ARGOPEN) {
getNextToken();
- if (token == TT_ARGOPEN) {
- getNextToken();
- } else {
- throwSyntaxError("'(' expected after 'switch' keyword.");
- }
- expression();
- if (token == TT_ARGCLOSE) {
- getNextToken();
- } else {
- throwSyntaxError("')' expected after 'switch' condition.");
- }
- switchStatement();
- return;
- } else if (token == TT_for) {
+ } else {
+ throwSyntaxError("'(' expected after 'while' keyword.");
+ }
+ expression();
+ if (token == TT_ARGCLOSE) {
getNextToken();
- if (token == TT_ARGOPEN) {
- getNextToken();
- } else {
- throwSyntaxError("'(' expected after 'for' keyword.");
- }
- if (token == TT_SEMICOLON) {
- getNextToken();
- } else {
- expression();
- if (token == TT_SEMICOLON) {
- getNextToken();
- } else {
- throwSyntaxError("';' character after 'for' expected.");
- }
- }
- if (token == TT_SEMICOLON) {
- getNextToken();
- } else {
- expression();
- if (token == TT_SEMICOLON) {
- getNextToken();
- } else {
- throwSyntaxError("';' character after 'for' expected.");
- }
- }
- if (token == TT_ARGCLOSE) {
- getNextToken();
- } else {
- expression();
- if (token == TT_ARGCLOSE) {
- getNextToken();
- } else {
- throwSyntaxError("')' expected after 'for' condition.");
- }
- }
- forStatement();
- return;
- } else if (token == TT_while) {
+ } else {
+ throwSyntaxError("')' expected after 'while' condition.");
+ }
+ whileStatement();
+ return;
+ } else if (token == TT_foreach) {
+ getNextToken();
+ if (token == TT_ARGOPEN) {
getNextToken();
- if (token == TT_ARGOPEN) {
- getNextToken();
- } else {
- throwSyntaxError("'(' expected after 'while' keyword.");
- }
- expression();
- if (token == TT_ARGCLOSE) {
- getNextToken();
- } else {
- throwSyntaxError("')' expected after 'while' condition.");
- }
- whileStatement();
- return;
- } else if (token == TT_foreach) {
+ } else {
+ throwSyntaxError("'(' expected after 'foreach' keyword.");
+ }
+ expression();
+ if (token == TT_as) {
+ getNextToken();
+ } else {
+ throwSyntaxError("'as' expected after 'foreach' exxpression.");
+ }
+ variable();
+ if (token == TT_FOREACH) {
getNextToken();
- if (token == TT_ARGOPEN) {
- getNextToken();
- } else {
- throwSyntaxError("'(' expected after 'foreach' keyword.");
- }
- expression();
- if (token == TT_as) {
- getNextToken();
- } else {
- throwSyntaxError("'as' expected after 'foreach' exxpression.");
- }
variable();
- if (token == TT_FOREACH) {
- getNextToken();
- variable();
- }
- if (token == TT_ARGCLOSE) {
- getNextToken();
- } else {
- throwSyntaxError("')' expected after 'foreach' expression.");
- }
- foreachStatement();
- return;
-
- } else if (token == TT_continue || token == TT_break || token == TT_return) {
+ }
+ if (token == TT_ARGCLOSE) {
getNextToken();
- if (token != TT_SEMICOLON) {
- expression();
- }
- if (token == TT_SEMICOLON) {
- getNextToken();
- } else {
- throwSyntaxError("';' expected after 'continue', 'break' or 'return'.");
- }
- return;
+ } else {
+ throwSyntaxError("')' expected after 'foreach' expression.");
+ }
+ foreachStatement();
+ return;
- } else if (token == TT_echo) {
+ } else if (token == TT_continue || token == TT_break || token == TT_return) {
+ getNextToken();
+ if (token != TT_SEMICOLON) {
+ expression();
+ }
+ if (token == TT_SEMICOLON) {
getNextToken();
- expressionList();
- if (token == TT_SEMICOLON) {
- getNextToken();
- } else {
- throwSyntaxError("';' expected after 'echo' statement.");
- }
- return;
+ } else {
+ throwSyntaxError("';' expected after 'continue', 'break' or 'return'.");
+ }
+ return;
- } else if (token == TT_print) {
+ } else if (token == TT_echo) {
+ getNextToken();
+ expressionList();
+ if (token == TT_SEMICOLON) {
getNextToken();
- expression();
- if (token == TT_SEMICOLON) {
- getNextToken();
- } else {
- throwSyntaxError("';' expected after 'print' statement.");
- }
- return;
+ } else {
+ throwSyntaxError("';' expected after 'echo' statement.");
+ }
+ return;
- } else if (token == TT_global || token == TT_static) {
+ } else if (token == TT_print) {
+ getNextToken();
+ expression();
+ if (token == TT_SEMICOLON) {
getNextToken();
- variableList();
- if (token == TT_SEMICOLON) {
- getNextToken();
- } else {
- throwSyntaxError("';' expected after 'global' or 'static' statement.");
- }
- return;
+ } else {
+ throwSyntaxError("';' expected after 'print' statement.");
+ }
+ return;
- } else if (token == TT_unset) {
+ } else if (token == TT_global || token == TT_static) {
+ getNextToken();
+ variableList();
+ if (token == TT_SEMICOLON) {
getNextToken();
- if (token == TT_ARGOPEN) {
- getNextToken();
- } else {
- throwSyntaxError("'(' expected after 'unset' keyword.");
- }
- variableList();
- if (token == TT_ARGCLOSE) {
- getNextToken();
- } else {
- throwSyntaxError("')' expected after 'unset' statement.");
- }
- if (token == TT_SEMICOLON) {
- getNextToken();
- } else {
- throwSyntaxError("';' expected after 'unset' statement.");
- }
- return;
+ } else {
+ throwSyntaxError("';' expected after 'global' or 'static' statement.");
+ }
+ return;
- } else if (token == TT_exit || token == TT_die) {
+ } else if (token == TT_unset) {
+ getNextToken();
+ if (token == TT_ARGOPEN) {
getNextToken();
- if (token != TT_SEMICOLON) {
- exitStatus();
- }
- if (token == TT_SEMICOLON) {
- getNextToken();
- } else {
- throwSyntaxError("';' expected after 'exit' or 'die' statement.");
- }
- return;
-
- } else if (token == TT_define) {
+ } else {
+ throwSyntaxError("'(' expected after 'unset' keyword.");
+ }
+ variableList();
+ if (token == TT_ARGCLOSE) {
getNextToken();
- if (token == TT_ARGOPEN) {
- getNextToken();
- } else {
- throwSyntaxError("'(' expected after 'define' keyword.");
- }
- constant();
- if (token == TT_COMMA) {
- getNextToken();
- } else {
- throwSyntaxError("',' expected after first 'define' constant.");
- }
- constant();
- if (token == TT_ARGCLOSE) {
- getNextToken();
- } else {
- throwSyntaxError("')' expected after 'define' statement.");
- }
- if (token == TT_SEMICOLON) {
- getNextToken();
- } else {
- throwSyntaxError("';' expected after 'define' statement.");
- }
- return;
+ } else {
+ throwSyntaxError("')' expected after 'unset' statement.");
+ }
+ if (token == TT_SEMICOLON) {
+ getNextToken();
+ } else {
+ throwSyntaxError("';' expected after 'unset' statement.");
+ }
+ return;
+ } else if (token == TT_exit || token == TT_die) {
+ getNextToken();
+ if (token != TT_SEMICOLON) {
+ exitStatus();
+ }
+ if (token == TT_SEMICOLON) {
+ getNextToken();
+ } else {
+ throwSyntaxError("';' expected after 'exit' or 'die' statement.");
}
+ return;
- } else if (token == TT_LISTOPEN) {
- // compundStatement
+ } else if (token == TT_define) {
getNextToken();
- if (token != TT_LISTCLOSE) {
- statementList();
+ if (token == TT_ARGOPEN) {
+ getNextToken();
+ } else {
+ throwSyntaxError("'(' expected after 'define' keyword.");
}
- if (token == TT_LISTCLOSE) {
+ constant();
+ if (token == TT_COMMA) {
getNextToken();
} else {
- throwSyntaxError("'}' expected.");
+ throwSyntaxError("',' expected after first 'define' constant.");
}
- } else {
- if (token != TT_SEMICOLON) {
- expression();
+ constant();
+ if (token == TT_ARGCLOSE) {
+ getNextToken();
+ } else {
+ throwSyntaxError("')' expected after 'define' statement.");
}
if (token == TT_SEMICOLON) {
getNextToken();
} else {
- throwSyntaxError("';' expected after expression.");
+ throwSyntaxError("';' expected after 'define' statement.");
}
+ return;
+ } else if (token == TT_function) {
+ getNextToken();
+ functionDefinition();
+ return;
+ } else {
+ throwSyntaxError("Unexpected keyword '" + keyword + "'");
+ }
+
+ } else if (token == TT_LISTOPEN) {
+ // compundStatement
+ getNextToken();
+ if (token != TT_LISTCLOSE) {
+ statementList();
+ }
+ if (token == TT_LISTCLOSE) {
+ getNextToken();
+ return;
+ } else {
+ throwSyntaxError("'}' expected.");
+ }
+ } else {
+ if (token != TT_SEMICOLON) {
+ expression();
+ }
+ if (token == TT_SEMICOLON) {
+ getNextToken();
+ return;
+ } else {
+ throwSyntaxError("';' expected after expression.");
}
}
- }
- public void labeledStatement() {
}
- public void expressionStatement() {
+ public void functionDefinition() {
+ functionDeclarator();
+ compoundStatement();
}
- public void inclusionStatement() {
+ public void functionDeclarator() {
+ //identifier '(' [parameter-list] ')'
+ if (token == TT_IDENTIFIER) {
+ getNextToken();
+ if (token == TT_ARGOPEN) {
+ getNextToken();
+ } else {
+ throwSyntaxError("'(' expected in function declaration.");
+ }
+ if (token != TT_ARGCLOSE) {
+ parameterList();
+ }
+ if (token != TT_ARGCLOSE) {
+ throwSyntaxError("')' expected in function declaration.");
+ } else {
+ getNextToken();
+ }
+ }
}
-
- // public void compoundStatement() {
- // }
-
- public void selectionStatement() {
+ //
+ public void parameterList() {
+ //parameter-declaration
+ //parameter-list ',' parameter-declaration
+ do {
+ parameterDeclaration();
+ if (token != TT_COMMA) {
+ break;
+ }
+ getNextToken();
+ } while (true);
}
- public void iterationStatement() {
+ public void parameterDeclaration() {
+ //variable
+ //variable-reference
+ //variable '=' constant
+ if (token == TT_VARIABLE) {
+ getNextToken();
+ if (token == TT_SET) {
+ getNextToken();
+ constant();
+ }
+ return;
+ }
}
- public void jumpStatement() {
+ public void labeledStatementList() {
+ if (token != TT_case && token != TT_default) {
+ throwSyntaxError("'case' or 'default' expected.");
+ }
+ do {
+ if (token == TT_case) {
+ getNextToken();
+ constant();
+ if (token == TT_DDOT) {
+ getNextToken();
+ statementList();
+ } else {
+ throwSyntaxError("':' character after 'case' constant expected.");
+ }
+ } else { // TT_default
+ getNextToken();
+ if (token == TT_DDOT) {
+ getNextToken();
+ statementList();
+ } else {
+ throwSyntaxError("':' character after 'default' expected.");
+ }
+ }
+ } while (token == TT_case || token == TT_default);
}
- public void outputStatement() {
- }
+ // public void labeledStatement() {
+ // if (token == TT_case) {
+ // getNextToken();
+ // constant();
+ // if (token == TT_DDOT) {
+ // getNextToken();
+ // statement();
+ // } else {
+ // throwSyntaxError("':' character after 'case' constant expected.");
+ // }
+ // return;
+ // } else if (token == TT_default) {
+ // getNextToken();
+ // if (token == TT_DDOT) {
+ // getNextToken();
+ // statement();
+ // } else {
+ // throwSyntaxError("':' character after 'default' expected.");
+ // }
+ // return;
+ // }
+ // }
- public void scopeStatement() {
+ public void expressionStatement() {
}
- public void flowStatement() {
+ public void inclusionStatement() {
}
- public void definitionStatement() {
- }
+ // public void compoundStatement() {
+ // }
+
+ // public void selectionStatement() {
+ // }
+ //
+ // public void iterationStatement() {
+ // }
+ //
+ // public void jumpStatement() {
+ // }
+ //
+ // public void outputStatement() {
+ // }
+ //
+ // public void scopeStatement() {
+ // }
+ //
+ // public void flowStatement() {
+ // }
+ //
+ // public void definitionStatement() {
+ // }
public void ifStatement() {
- // statement [else-statement]
- statement();
- if (token == TT_else) {
+ // ':' statement-list [elseif-list] [else-colon-statement] 'endif' ';'
+ if (token == TT_DDOT) {
getNextToken();
+ statementList();
+ switch (token) {
+ case TT_else :
+ getNextToken();
+ if (token == TT_DDOT) {
+ getNextToken();
+ statementList();
+ } else {
+ if (token == TT_if) { //'else if'
+ getNextToken();
+ elseifStatementList();
+ } else {
+ throwSyntaxError("':' expected after 'else'.");
+ }
+ }
+ break;
+ case TT_elseif :
+ getNextToken();
+ elseifStatementList();
+ break;
+ }
+
+ if (token != TT_endif) {
+ throwSyntaxError("'endif' expected.");
+ }
+ getNextToken();
+ if (token != TT_SEMICOLON) {
+ throwSyntaxError("';' expected after if-statement.");
+ }
+ getNextToken();
+ } else {
+ // statement [else-statement]
statement();
+ if (token == TT_elseif) {
+ getNextToken();
+ if (token == TT_ARGOPEN) {
+ getNextToken();
+ } else {
+ throwSyntaxError("'(' expected after 'elseif' keyword.");
+ }
+ expression();
+ if (token == TT_ARGCLOSE) {
+ getNextToken();
+ } else {
+ throwSyntaxError("')' expected after 'elseif' condition.");
+ }
+ ifStatement();
+ } else if (token == TT_else) {
+ getNextToken();
+ statement();
+ }
+ }
+ }
+ public void elseifStatementList() {
+ do {
+ elseifStatement();
+ switch (token) {
+ case TT_else :
+ getNextToken();
+ if (token == TT_DDOT) {
+ getNextToken();
+ statementList();
+ return;
+ } else {
+ if (token == TT_if) { //'else if'
+ getNextToken();
+ } else {
+ throwSyntaxError("':' expected after 'else'.");
+ }
+ }
+ break;
+ case TT_elseif :
+ getNextToken();
+ break;
+ default :
+ return;
+ }
+ } while (true);
+ }
+
+ public void elseifStatement() {
+ if (token == TT_ARGOPEN) {
+ getNextToken();
+ expression();
+ if (token != TT_ARGOPEN) {
+ throwSyntaxError("')' expected in else-if-statement.");
+ }
+ getNextToken();
+ if (token != TT_DDOT) {
+ throwSyntaxError("':' expected in else-if-statement.");
+ }
+ getNextToken();
+ statementList();
}
}
public void switchStatement() {
+ if (token == TT_DDOT) {
+ // ':' [labeled-statement-list] 'endswitch' ';'
+ getNextToken();
+ labeledStatementList();
+ if (token != TT_endswitch) {
+ throwSyntaxError("'endswitch' expected.");
+ }
+ getNextToken();
+ if (token != TT_SEMICOLON) {
+ throwSyntaxError("';' expected after switch-statement.");
+ }
+ getNextToken();
+ } else {
+ // '{' [labeled-statement-list] '}'
+ if (token != TT_LISTOPEN) {
+ throwSyntaxError("'{' expected in switch statement.");
+ }
+ getNextToken();
+ if (token != TT_LISTCLOSE) {
+ labeledStatementList();
+ }
+ if (token != TT_LISTCLOSE) {
+ throwSyntaxError("'}' expected in switch statement.");
+ }
+ getNextToken();
+
+ }
}
public void forStatement() {
+ if (token == TT_DDOT) {
+ getNextToken();
+ statementList();
+ if (token != TT_endfor) {
+ throwSyntaxError("'endfor' expected.");
+ }
+ getNextToken();
+ if (token != TT_SEMICOLON) {
+ throwSyntaxError("';' expected after for-statement.");
+ }
+ getNextToken();
+ } else {
+ statement();
+ }
}
public void whileStatement() {
+ // ':' statement-list 'endwhile' ';'
+ if (token == TT_DDOT) {
+ getNextToken();
+ statementList();
+ if (token != TT_endwhile) {
+ throwSyntaxError("'endwhile' expected.");
+ }
+ getNextToken();
+ if (token != TT_SEMICOLON) {
+ throwSyntaxError("';' expected after while-statement.");
+ }
+ getNextToken();
+ } else {
+ statement();
+ }
}
public void foreachStatement() {
+ if (token == TT_DDOT) {
+ getNextToken();
+ statementList();
+ if (token != TT_endforeach) {
+ throwSyntaxError("'endforeach' expected.");
+ }
+ getNextToken();
+ if (token != TT_SEMICOLON) {
+ throwSyntaxError("';' expected after foreach-statement.");
+ }
+ getNextToken();
+ } else {
+ statement();
+ }
}
public void exitStatus() {
}
public void expression() {
- if (token == TT_STRING_CONSTANT || token == TT_INTERPOLATED_STRING) {
- getNextToken();
- } else {
- postfixExpression();
- // while (token != TT_SEMICOLON) {
- // getNextToken();
- // }
- }
+ // if (token == TT_STRING_CONSTANT || token == TT_INTERPOLATED_STRING) {
+ // getNextToken();
+ // } else {
+ logicalinclusiveorExpression();
+ // while (token != TT_SEMICOLON) {
+ // getNextToken();
+ // // }
+ // }
}
public void postfixExpression() {
+ String ident;
+ boolean castFlag = false;
switch (token) {
+ case TT_STRING_CONSTANT :
+ getNextToken();
+ break;
+ case TT_INTERPOLATED_STRING :
+ getNextToken();
+ break;
case TT_ARGOPEN :
getNextToken();
- expression();
+ if (token == TT_IDENTIFIER) {
+ // check if identifier is a type:
+ ident = identifier;
+ String str = identifier.toLowerCase();
+ for (int i = 0; i < PHP_TYPES.length; i++) {
+ if (PHP_TYPES[i].equals(str)) {
+ castFlag = true;
+ break;
+ }
+ }
+ if (castFlag) {
+ getNextToken();
+ if (token != TT_ARGCLOSE) {
+ throwSyntaxError(") expected after cast-type '" + ident + "'.");
+ }
+ getNextToken();
+ expression();
+ break;
+ }
+ }
+ if (!castFlag) {
+ expression();
+ }
if (token != TT_ARGCLOSE) {
throwSyntaxError(") expected in postfix-expression.");
}
getNextToken();
break;
case TT_VARIABLE :
+ ident = identifier;
getNextToken();
+ if (token == TT_LISTOPEN) {
+ getNextToken();
+ expression();
+ if (token != TT_LISTCLOSE) {
+ throwSyntaxError("'}' expected after variable '" + ident + "' in variable-expression.");
+ }
+ getNextToken();
+ }
break;
case TT_IDENTIFIER :
+ ident = identifier;
getNextToken();
if (token == TT_ARGOPEN) {
getNextToken();
if (token != TT_ARGCLOSE) {
expressionList();
if (token != TT_ARGCLOSE) {
- throwSyntaxError(") expected after identifier in postfix-expression.");
+ throwSyntaxError("')' expected after identifier '" + ident + "' in postfix-expression.");
}
}
getNextToken();
}
break;
-
+ case TT_list :
+ getNextToken();
+ if (token == TT_ARGOPEN) {
+ getNextToken();
+ if (token == TT_COMMA) {
+ getNextToken();
+ }
+ expressionList();
+ if (token != TT_ARGCLOSE) {
+ throwSyntaxError("')' expected after 'list' keyword.");
+ }
+ getNextToken();
+ // if (token == TT_SET) {
+ // getNextToken();
+ // logicalinclusiveorExpression();
+ // }
+ } else {
+ throwSyntaxError("'(' expected after 'list' keyword.");
+ }
+ break;
+ // case TT_array :
+ // getNextToken();
+ // if (token == TT_ARGOPEN) {
+ // getNextToken();
+ // if (token == TT_COMMA) {
+ // getNextToken();
+ // }
+ // expressionList();
+ // if (token != TT_ARGCLOSE) {
+ // throwSyntaxError("')' expected after 'list' keyword.");
+ // }
+ // getNextToken();
+ // if (token == TT_SET) {
+ // getNextToken();
+ // logicalinclusiveorExpression();
+ // }
+ // } else {
+ // throwSyntaxError("'(' expected after 'list' keyword.");
+ // }
+ // break;
}
boolean while_flag = true;
do {
}
getNextToken();
break;
- case TT_REF :
+ case TT_REF : // ->
switch (token) {
case TT_VARIABLE :
getNextToken();
getNextToken();
expression();
if (token != TT_LISTCLOSE) {
- throwSyntaxError("] expected in postfix-expression.");
+ throwSyntaxError("} expected in postfix-expression.");
}
getNextToken();
break;
} while (while_flag);
}
+ public void unaryExpression() {
+ switch (token) {
+ case TT_INCREMENT :
+ getNextToken();
+ unaryExpression();
+ break;
+ case TT_DECREMENT :
+ getNextToken();
+ unaryExpression();
+ break;
+ //'&' '*' '+' '-' '~' '!'
+ case TT_AMPERSAND :
+ getNextToken();
+ castExpression();
+ break;
+ case TT_MULTIPLY :
+ getNextToken();
+ castExpression();
+ break;
+ case TT_ADD :
+ getNextToken();
+ castExpression();
+ break;
+ case TT_SUBTRACT :
+ getNextToken();
+ castExpression();
+ break;
+ case TT_TILDE :
+ getNextToken();
+ castExpression();
+ break;
+ case TT_NOT :
+ getNextToken();
+ castExpression();
+ break;
+ default :
+ postfixExpression();
+ }
+ }
+
+ public void castExpression() {
+ // if (token == TT_ARGOPEN) {
+ // getNextToken();
+ // typeName();
+ // if (token != TT_ARGCLOSE) {
+ // throwSyntaxError(") expected after cast-expression.");
+ // }
+ // getNextToken();
+ // }
+ unaryExpression();
+ }
+
+ public void typeName() {
+ //'string' 'unset' 'array' 'object'
+ //'bool' 'boolean'
+ //'real' 'double' 'float'
+ //'int' 'integer'
+ String ident = "";
+ if (token == TT_IDENTIFIER) {
+ ident = identifier;
+ String str = identifier.toLowerCase();
+ getNextToken();
+ for (int i = 0; i < PHP_TYPES.length; i++) {
+ if (PHP_TYPES[i].equals(str)) {
+ return;
+ }
+ }
+ }
+ throwSyntaxError("Expected type cast '( <type-name> )'; Got '" + ident + "'.");
+ }
+
+ public void assignExpression() {
+ castExpression();
+ if (token == TT_SET) { // =
+ getNextToken();
+ logicalinclusiveorExpression();
+ } else if (token == TT_DOTASSIGN) { // .=
+ getNextToken();
+ logicalinclusiveorExpression();
+ } else if (token == TT_FOREACH) { // =>
+ getNextToken();
+ logicalinclusiveorExpression();
+ }
+ }
+
+ public void multiplicativeExpression() {
+ do {
+ assignExpression();
+ if (token != TT_MULTIPLY && token != TT_DIV && token != TT_MOD) {
+ return;
+ }
+ getNextToken();
+ } while (true);
+ }
+
+ public void concatenationExpression() {
+ do {
+ multiplicativeExpression();
+ if (token != TT_DOT) {
+ return;
+ }
+ getNextToken();
+ } while (true);
+ }
+
+ public void additiveExpression() {
+ do {
+ concatenationExpression();
+ if (token != TT_ADD && token != TT_SUBTRACT) {
+ return;
+ }
+ getNextToken();
+ } while (true);
+ }
+
+ public void shiftExpression() {
+ do {
+ additiveExpression();
+ if (token != TT_LSHIFT && token != TT_RSHIFT) {
+ return;
+ }
+ getNextToken();
+ } while (true);
+ }
+
+ public void relationalExpression() {
+ do {
+ shiftExpression();
+ if (token != TT_LESS && token != TT_GREATER && token != TT_LESSEQUAL && token != TT_GREATEREQUAL) {
+ return;
+ }
+ getNextToken();
+ } while (true);
+ }
+
+ public void identicalExpression() {
+ do {
+ relationalExpression();
+ if (token != TT_EX_EQUAL && token != TT_EX_UNEQUAL) {
+ return;
+ }
+ getNextToken();
+ } while (true);
+ }
+
+ public void equalityExpression() {
+ do {
+ identicalExpression();
+ if (token != TT_EQUAL && token != TT_UNEQUAL) {
+ return;
+ }
+ getNextToken();
+ } while (true);
+ }
+
+ public void andExpression() {
+ do {
+ equalityExpression();
+ if (token != TT_AMPERSAND) {
+ return;
+ }
+ getNextToken();
+ } while (true);
+ }
+
+ public void exclusiveorExpression() {
+ do {
+ andExpression();
+ if (token != TT_POW) {
+ return;
+ }
+ getNextToken();
+ } while (true);
+ }
+
+ public void inclusiveorExpression() {
+ do {
+ exclusiveorExpression();
+ if (token != TT_LINE) {
+ return;
+ }
+ getNextToken();
+ } while (true);
+ }
+
+ public void booleanandExpression() {
+ do {
+ inclusiveorExpression();
+ if (token != TT_AND) {
+ return;
+ }
+ getNextToken();
+ } while (true);
+ }
+
+ public void booleanorExpression() {
+ do {
+ booleanandExpression();
+ if (token != TT_OR) {
+ return;
+ }
+ getNextToken();
+ } while (true);
+ }
+
+ public void logicalandExpression() {
+ do {
+ booleanorExpression();
+ if (token != TT_and) {
+ return;
+ }
+ getNextToken();
+ } while (true);
+ }
+
+ public void logicalexclusiveorExpression() {
+ do {
+ logicalandExpression();
+ if (token != TT_xor) {
+ return;
+ }
+ getNextToken();
+ } while (true);
+ }
+
+ public void logicalinclusiveorExpression() {
+ do {
+ logicalexclusiveorExpression();
+ if (token != TT_or) {
+ return;
+ }
+ getNextToken();
+ } while (true);
+ }
+
+ // public void assignmentExpression() {
+ // if (token == TT_VARIABLE) {
+ // getNextToken();
+ // if (token == TT_SET) {
+ // getNextToken();
+ // logicalinclusiveorExpression();
+ // }
+ // } else {
+ // logicalinclusiveorExpression();
+ // }
+ // }
+
public void variableList() {
do {
variable();
}
public void constant() {
-
+ switch (token) {
+ case TT_STRING_CONSTANT :
+ getNextToken();
+ break;
+ case TT_INTERPOLATED_STRING :
+ getNextToken();
+ break;
+ case TT_DOUBLE_NUMBER :
+ getNextToken();
+ break;
+ case TT_INT_NUMBER :
+ getNextToken();
+ break;
+ default :
+ throwSyntaxError("Constant expected.");
+ }
}
}
\ No newline at end of file
git://secure.phpeclipse.com / phpeclipse.git / blobdiff