Package com.saxonica.ee.bytecode
Class BlockCompiler
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- com.saxonica.ee.bytecode.ExpressionCompiler
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- com.saxonica.ee.bytecode.ToIteratorCompiler
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- com.saxonica.ee.bytecode.BlockCompiler
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public class BlockCompiler extends ToIteratorCompiler
Generate bytecode for a call to a Block expression. A block typically represents either an expression of the form (a, b, c, d), or an XSLT sequence constructor.
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Constructor Summary
Constructors Constructor Description BlockCompiler()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidcompileToIterator(CompilerService compiler, Expression expression)Generate bytecode to evaluate the BlockExpression as an iterator Precondition: none.voidcompileToPush(CompilerService compiler, Expression expression)Generate bytecode to evaluate the BlockExpression in push mode Precondition: none.-
Methods inherited from class com.saxonica.ee.bytecode.ToIteratorCompiler
compileToBoolean, compileToItem
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Methods inherited from class com.saxonica.ee.bytecode.ExpressionCompiler
allocateStatic, compileItemFromInt, compileToPrimitive, generateMethod, handleEmptyStringResult, printStackTop, verify, visitAnnotation, visitLineNumber
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Method Detail
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compileToPush
public void compileToPush(CompilerService compiler, Expression expression) throws CannotCompileException
Generate bytecode to evaluate the BlockExpression in push mode Precondition: none. Postcondition: the stack is empty- Overrides:
compileToPushin classToIteratorCompiler- Parameters:
compiler- the compiler serviceexpression- the expression to be compiled- Throws:
CannotCompileException- if the expression cannot be compiled to bytecode
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compileToIterator
public void compileToIterator(CompilerService compiler, Expression expression) throws CannotCompileException
Generate bytecode to evaluate the BlockExpression as an iterator Precondition: none. Postcondition: the stack contains an iterator representing the result of the expression- Specified by:
compileToIteratorin classExpressionCompiler- Parameters:
compiler- the compiler serviceexpression- the expression to be compiled- Throws:
CannotCompileException- if the expression cannot be compiled to bytecode
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