parse.hpp File Reference

#include "cons.hpp"

Go to the source code of this file.

Functions
Cell *	parse (string sexpr)
	Recursively parse sexpr and build the parse tree.
bool	iswhitespace (char ch)
	Check whether the character is whitespace.

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Detailed Description

Encapsulates the interface for the expression parsing function, which analyzes a string containing an s-expression, and determines its tree structure.

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Function Documentation

bool iswhitespace (  char  ch  )

Check whether the character is whitespace. Returns: True if it is character, false else. Parameters: ch  The character to check.

Cell* parse (  string  sexpr  )

Recursively parse sexpr and build the parse tree. Parameters: sexpr  The s-expression stored in a string variable (note that this version of parse has side effects: it may alter the contents of sexpr). Returns: A pointer to the conspair cell at the root of the parse tree.

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