45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
//---
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// parser: interface to the TeX parser
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//---
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#ifndef TEX_PARSER
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#define TEX_PARSER
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#include <TeX/TeX.h>
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#include <TeX/structure.h>
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/* parse_start(): Configure parser to run on a string
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@str Input data, must be NULL-terminated */
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void parse_start(const char *str);
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/* parse(): Parse into a TeX flow
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Uses input data set by parse_start(). Returns a flow object on success (free
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with TeX_free()), NULL on error (generally syntax issues).
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TODO: Fine-grained error detection? */
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struct TeX_Flow *parse(void);
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#ifdef TEX_DEBUG
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/* TeX_debug_lex(): Display the result of lexing
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Makes a lexical analysis of the given formula and prints the stream of
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tokens to standard output. */
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void TeX_debug_lex(const char *formula);
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/* TeX_debug_node(): Recursively display the structure of a node
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Displays the nature and dimensions of the given node and its children,
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making recursive calls to TeX_debug_flow().
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@node Displayed node
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@indent Indent level, in spaces (goes up by groups of 4) */
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void TeX_debug_node(struct TeX_Node *node, int indent);
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/* TeX_debug_flow(): Recursively display the structure of a flow
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Displays the dimensions of the given flow and its contents, making recursive
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calls to TeX_debug_node().
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@flow Displayed flow
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@indent Indent level, in spaces (goes up by groups of 4) */
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void TeX_debug_flow(struct TeX_Flow *flow, int indent);
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#endif /* TEX_DEBUG */
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#endif /* TEX_PARSER */
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