compile.c File Reference

#include "config.h"
#include <assert.h>
#include <ast/error.h>
#include <cgraph/cgraph.h>
#include <gvpr/actions.h>
#include <gvpr/compile.h>
#include <inttypes.h>
#include <limits.h>
#include <math.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <util/agxbuf.h>
#include <util/alloc.h>
#include <util/exit.h>
#include <util/prisize_t.h>
#include <util/startswith.h>
#include <util/unreachable.h>
#include <gvpr/gdefs.h>
#include <ctype.h>
#include <gvpr/trie.c>

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Macros
#define	MIN(a, b)   ((a) < (b) ? (a) : (b))
#define	MAX(a, b)   ((a) > (b) ? (a) : (b))
#define	MINTYPE   (LAST_M + 1) /* First type occurs after last M_ */
#define	haveGraph   (1 <= codePhase && codePhase <= 4)
#define	haveTarget   (2 <= codePhase && codePhase <= 4)
#define	inWalk   (2 <= codePhase && codePhase <= 3)

Functions
static int	isedge (Agobj_t *obj)
static void *	int2ptr (long long i)
static long long	ptr2int (const void *p)
static char *	nameOf (Expr_t *ex, Agobj_t *obj, agxbuf *tmps)
static char *	bbOf (Expr_t *pgm, char *pt, bool getll)
static char *	xyOf (Expr_t *pgm, char *pt, bool getx)
static int	posOf (Agnode_t *np, int idx, double *v)
static Agdesc_t	xargs (char *args)
static char *	deparse (Expr_t *ex, Exnode_t *n, agxbuf *xb)
static Agobj_t *	deref (Expr_t *pgm, Exnode_t *x, Exref_t *ref, Agobj_t *objp, Gpr_t *state)
static void	assignable (Agobj_t *objp, unsigned char *name)
static int	setattr (Agobj_t *objp, char *name, char *val)
static char *	kindToStr (int kind)
static char *	kindOf (Agobj_t *objp)
static int	lookup (Expr_t *pgm, Agobj_t *objp, Exid_t *sym, Extype_t *v)
static char *	getArg (int n, Gpr_t *state)
static int	setDfltAttr (Agraph_t *gp, char *k, char *name, char *value)
static int	toKind (char *k, char *fn)
static char *	nxtAttr (Agraph_t *gp, char *k, char *name)
static char *	getDfltAttr (Agraph_t *gp, char *k, char *name)
static Extype_t	getval (Expr_t *pgm, Exnode_t *node, Exid_t *sym, Exref_t *ref, void *env, int elt, Exdisc_t *disc)
static char *	typeName (long op)
static int	setval (Expr_t *pgm, Exnode_t *x, Exid_t *sym, Exref_t *ref, void *env, Extype_t v)
static Extype_t	length (Exid_t *rhs, Exdisc_t *disc)
static int	in (Extype_t lhs, Exid_t *rhs, Exdisc_t *disc)
static tctype	typeChk (tctype intype, Exid_t *sym)
static tctype	typeChkExp (Exref_t *ref, Exid_t *sym)
static Extype_t	refval (Expr_t *pgm, Exnode_t *node, Exid_t *sym, Exref_t *ref)
static int	binary (Exnode_t *l, Exnode_t *ex, Exnode_t *r, int arg)
static int	strToTvtype (char *s)
static char *	tvtypeToStr (long long v)
static int	stringOf (Expr_t *prog, Exnode_t *x, int arg)
static int	convert (Exnode_t *x, long type, int arg)
static Extype_t	keyval (Extype_t v, long type)
static Exdisc_t *	initDisc (Gpr_t *state)
static Exnode_t *	compile (Expr_t *prog, char *src, char *input, int line, const char *lbl, const char *sfx, int kind)
static void	checkGuard (Exnode_t *gp, char *src, int line)
static case_stmt *	mkStmts (Expr_t *prog, char *src, case_infos_t cases, const char *lbl)
static bool	mkBlock (comp_block *bp, Expr_t *prog, char *src, parse_block *inp, size_t i)
static const char *	doFlags (compflags_t flags)
comp_prog *	compileProg (parse_prog *inp, Gpr_t *state, compflags_t flags)
void	freeCompileProg (comp_prog *p)
Agraph_t *	readG (FILE *fp)
Agraph_t *	openG (char *name, Agdesc_t desc)
Agraph_t *	openSubg (Agraph_t *g, char *name)
Agnode_t *	openNode (Agraph_t *g, char *name)
Agedge_t *	openEdge (Agraph_t *g, Agnode_t *t, Agnode_t *h, char *key)

Variables
static int	codePhase
static int	a2t []

Macro Definition Documentation

haveGraph

#define haveGraph   (1 <= codePhase && codePhase <= 4)

Definition at line 1653 of file compile.c.

haveTarget

#define haveTarget   (2 <= codePhase && codePhase <= 4)

Definition at line 1654 of file compile.c.

inWalk

#define inWalk   (2 <= codePhase && codePhase <= 3)

Definition at line 1655 of file compile.c.

MAX

#define MAX	(		a,
			b
	)		((a) > (b) ? (a) : (b))

Definition at line 43 of file compile.c.

MIN

#define MIN	(		a,
			b
	)		((a) < (b) ? (a) : (b))

Definition at line 42 of file compile.c.

MINTYPE

#define MINTYPE   (LAST_M + 1) /* First type occurs after last M_ */

Definition at line 1524 of file compile.c.

Function Documentation

assignable()

static void assignable ( Agobj_t *  objp, unsigned char *  name  )

static

Definition at line 295 of file compile.c.

References AGNODE, AGRAPH, AGTYPE, E, exerror(), G, TFA_Advance, TFA_Definition, TFA_Init, TFA_State, V, and Y.

Referenced by setval().

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bbOf()

static char * bbOf ( Expr_t *  pgm, char *  pt, bool  getll  )

static

Definition at line 90 of file compile.c.

References exstralloc(), exstring(), and len().

Referenced by getval().

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binary()

static int binary ( Exnode_t *  l, Exnode_t *  ex, Exnode_t *  r, int  arg  )

static

Definition at line 1834 of file compile.c.

References BUILTIN, compare(), Exdata_u::constant, Exnode_s::data, EQ, GE, int2ptr(), EX_STYPE::integer, INTEGRAL, LE, NE, Exnode_s::op, Exnode_s::type, and Exdata_u::value.

Referenced by initDisc().

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checkGuard()

static void checkGuard ( Exnode_t *  gp, char *  src, int  line  )

static

Definition at line 2230 of file compile.c.

References error, ERROR_WARNING, exisAssign(), exnoncast(), and setErrorFileLine().

Referenced by mkStmts().

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compile()

static Exnode_t * compile ( Expr_t *  prog, char *  src, char *  input, int  line, const char *  lbl, const char *  sfx, int  kind  )

static

Definition at line 2195 of file compile.c.

References agxbdisown(), agxbprint(), excomp(), exexpr(), getErrorErrors(), label(), and NULL.

Referenced by compileProg(), mkBlock(), and mkStmts().

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compileProg()

comp_prog * compileProg	(	parse_prog *	inp,
		Gpr_t *	state,
		compflags_t	flags
	)

Definition at line 2354 of file compile.c.

References comp_prog::begin_stmt, parse_prog::begin_stmt, comp_prog::blocks, parse_prog::blocks, codePhase, compile(), doFlags(), Gpr_t::dp, comp_prog::end_stmt, parse_prog::end_stmt, comp_prog::endg_stmt, parse_prog::endg_stmt, error, ERROR_ERROR, exinit(), exopen(), flags, freeCompileProg(), G, getErrorErrors(), gv_calloc(), initDisc(), parse_prog::l_begin, parse_prog::l_end, parse_prog::l_endg, mkBlock(), comp_prog::n_blocks, NULL, comp_prog::prog, setErrorLine(), parse_prog::source, symbols, T_graph, TBITS, tchk, Exid_s::type, comp_prog::uses_graph, VOIDTYPE, and Y.

Referenced by gvpr_core().

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convert()

static int convert ( Exnode_t *  x, long  type, int  arg  )

static

Definition at line 2071 of file compile.c.

References AGNODE, AGRAPH, AGTYPE, BUILTIN, Exdata_u::constant, Exnode_s::data, exerror(), FLOATING, int2ptr(), INTEGER, EX_STYPE::integer, isedge(), STRING, EX_STYPE::string, strToTvtype(), T_edge, T_graph, T_node, tvtypeToStr(), type, Exnode_s::type, validTVT(), and Exdata_u::value.

Referenced by initDisc().

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deparse()

static char * deparse ( Expr_t *  ex, Exnode_t *  n, agxbuf *  xb  )

static

Definition at line 218 of file compile.c.

References agxbuse(), and exdump().

Referenced by deref(), getval(), refval(), and setval().

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deref()

static Agobj_t * deref ( Expr_t *  pgm, Exnode_t *  x, Exref_t *  ref, Agobj_t *  objp, Gpr_t *  state  )

static

Definition at line 228 of file compile.c.

References AGHEAD, AGTAIL, agxbfree(), Exdata_u::constant, Gpr_t::curgraph, Gpr_t::curobj, Exnode_s::data, deparse(), deref(), Exdata_u::dyna, DYNAMIC, exerror(), int2ptr(), EX_STYPE::integer, isedge(), Gpr_t::nextgraph, Gpr_t::outgraph, ref(), Gpr_t::target, Gpr_t::tvedge, Gpr_t::tvnext, Gpr_t::tvroot, Exdata_u::value, and Exdata_u::variable.

Referenced by deref(), endpoint(), getval(), PQdelete(), setval(), and voronoi().

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doFlags()

static const char * doFlags ( compflags_t  flags )

static

Definition at line 2340 of file compile.c.

References flags.

Referenced by compileProg().

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freeCompileProg()

void freeCompileProg

(

comp_prog *

p

)

Definition at line 2434 of file compile.c.

References comp_prog::blocks, comp_block::edge_stmts, exclose(), free(), comp_prog::n_blocks, comp_block::node_stmts, and comp_prog::prog.

Referenced by compileProg(), and gvpr().

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getArg()

static char * getArg ( int  n, Gpr_t *  state  )

static

Definition at line 491 of file compile.c.

References Gpr_t::argc, Gpr_t::argv, and exerror().

Referenced by getval().

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getDfltAttr()

static char * getDfltAttr ( Agraph_t *  gp, char *  k, char *  name  )

static

Definition at line 570 of file compile.c.

References agattr_text(), Agsym_s::defval, error, ERROR_WARNING, kindToStr(), and toKind().

Referenced by getval().

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getval()

static Extype_t getval ( Expr_t *  pgm, Exnode_t *  node, Exid_t *  sym, Exref_t *  ref, void *  env, int  elt, Exdisc_t *  disc  )

static

Definition at line 582 of file compile.c.

References addEdge(), addNode(), agattr_text(), agattrsym(), agcontains(), agdegree(), agfstedge(), agfstin(), agfstnode(), agfstout(), agfstsubg(), aghead, aghtmlstr(), AGINEDGE, agisdirected(), agisstrict(), agnedges(), agnnodes(), AGNODE, agnode(), agnxtedge(), agnxtin(), agnxtnode(), agnxtout(), agnxtsubg(), AGOUTEDGE, AGRAPH, agraphof(), agrelabel_node(), agroot(), agsubg(), agtail, AGTYPE, agxbfree(), agxget(), Gpr_t::argc, bbOf(), canon(), cloneG(), cloneO(), closeFile(), colorx(), compOf(), CONSTANT, copy(), copyAttr(), Gpr_t::curgraph, Gpr_t::curobj, deleteObj(), deparse(), deref(), disc, error, ERROR_ERROR, ERROR_WARNING, EX_ARRAY, EX_CALL, exerror(), findBinding(), EX_STYPE::floating, gvprbinding::fn, freadFile(), fwriteFile(), getArg(), getDfltAttr(), graphviz_node_induce(), ID, Exid_s::index, indexOf(), Gpr_t::infname, int2ptr(), EX_STYPE::integer, isEdge(), kindOf(), LAST_V, Exid_s::lex, lockGraph(), lookup(), match(), MAX, MIN, Exid_s::name, nameOf(), Gpr_t::nextgraph, NULL, nxtAttr(), openEdge(), openFile(), openG(), openNode(), openSubg(), Gpr_t::outFile, Gpr_t::outgraph, ptr2int(), readFile(), readLine(), ref(), rindexOf(), setattr(), setDfltAttr(), sfioWrite(), SIZE_MAX, EX_STYPE::string, Gpr_t::target, Gpr_t::tgtname, toHtml(), toKind(), toLower(), toUpper(), Gpr_t::tvedge, Gpr_t::tvnext, Gpr_t::tvroot, Gpr_t::tvt, UNREACHABLE, writeFile(), xargs(), and xyOf().

Referenced by initDisc().

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in()

static int in ( Extype_t  lhs, Exid_t *  rhs, Exdisc_t *  disc  )

static

gvpr’s custom in implementation

The main purpose of this is to extend in to work on the command line options array, ARGV.

Parameters

lhs	The left-hand side operand to in.
rhs	The right-hand side operand to in.
disc	The libexpr discipline.

Returns

Non-zero if lhs was found to be within rhs.

Definition at line 1638 of file compile.c.

References Gpr_t::argc, disc, exerror(), Exid_s::index, EX_STYPE::integer, and Exid_s::name.

Referenced by agdeledgeimage(), initDisc(), installedge(), MdiChild::loadFile(), newedge(), and Blocks::totalOrder().

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initDisc()

static Exdisc_t * initDisc ( Gpr_t *  state )

static

Definition at line 2159 of file compile.c.

References a2t, binary(), Exdisc_s::binaryf, convert(), Exdisc_s::convertf, Gpr_t::dp, Gpr_t::errf, error, ERROR_ERROR, errorf(), Exdisc_s::errorf, EX_CHARSTRING, EX_UNDECLARED, EX_VERSION, Exdisc_s::exitf, Gpr_t::exitf, Exdisc_s::flags, Exdisc_s::getf, getval(), in(), Exdisc_s::inf, Exdisc_s::keyf, keyval(), length(), Exdisc_s::lengthf, Exdisc_s::reff, refval(), Exdisc_s::setf, setval(), stringOf(), Exdisc_s::stringof, Exdisc_s::symbols, symbols, typeName(), Exdisc_s::typename, Exdisc_s::types, Exdisc_s::user, and Exdisc_s::version.

Referenced by compileProg().

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int2ptr()

static void * int2ptr ( long long  i )

static

Definition at line 50 of file compile.c.

Referenced by binary(), convert(), deref(), getval(), keyval(), setval(), and stringOf().

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isedge()

static int isedge ( Agobj_t *  obj )

static

Definition at line 38 of file compile.c.

References AGINEDGE, AGOUTEDGE, and AGTYPE.

Referenced by convert(), deref(), and lookup().

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keyval()

static Extype_t keyval ( Extype_t  v, long  type  )

static

Definition at line 2147 of file compile.c.

References AGID, int2ptr(), EX_STYPE::integer, and type.

Referenced by initDisc().

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kindOf()

static char * kindOf ( Agobj_t *  objp )

static

Definition at line 354 of file compile.c.

References agobjkind(), and kindToStr().

Referenced by getval(), and lookup().

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kindToStr()

static char * kindToStr ( int  kind )

static

Definition at line 336 of file compile.c.

References AGNODE, and AGRAPH.

Referenced by getDfltAttr(), and kindOf().

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length()

static Extype_t length ( Exid_t *  rhs, Exdisc_t *  disc  )

static

gvpr’s custom # implementation

The main purpose of this is to extend # to work on the command line options array, ARGV.

Parameters

rhs	The right-hand side operand to #.
disc	The libexpr discipline.

Returns

The “length” as defined by us.

Definition at line 1614 of file compile.c.

References Gpr_t::argc, disc, exerror(), Exid_s::index, EX_STYPE::integer, and Exid_s::name.

Referenced by arrow_length(), arrow_length_tee(), arrow_type_tee(), doBlock(), fig_textspan(), find_longest_path(), gv_strndup(), gvRenderData(), initDisc(), jpeg_size(), mapToSphere(), position(), positionChildren(), reader(), renderdata(), writer(), and xml_core().

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lookup()

static int lookup ( Expr_t *  pgm, Agobj_t *  objp, Exid_t *  sym, Extype_t *  v  )

static

Definition at line 359 of file compile.c.

References agattr_text(), agattrsym(), agdegree(), AGHEAD, agisdirected(), agisstrict(), agnameof(), agnedges(), agnnodes(), AGNODE, agparent(), AGRAPH, agraphof(), agroot(), AGTAIL, AGTYPE, agxbfree(), agxget(), error, ERROR_WARNING, exerror(), EX_STYPE::floating, ID, Exid_s::index, EX_STYPE::integer, isedge(), kindOf(), Exid_s::lex, Exid_s::name, nameOf(), posOf(), ptr2int(), and EX_STYPE::string.

Referenced by getval().

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mkBlock()

static bool mkBlock ( comp_block *  bp, Expr_t *  prog, char *  src, parse_block *  inp, size_t  i  )

static

Returns

True if the block uses the input graph

Definition at line 2279 of file compile.c.

References agxbfree(), agxbprint(), agxbuse(), comp_block::begg_stmt, parse_block::begg_stmt, codePhase, compile(), comp_block::does_walk_graph, E, comp_block::edge_stmts, parse_block::edge_stmts, free(), G, getErrorErrors(), parse_block::l_beging, label(), mkStmts(), comp_block::n_estmts, comp_block::n_nstmts, comp_block::node_stmts, parse_block::node_stmts, PRISIZE_T, symbols, T_edge, T_graph, T_node, tchk, Exid_s::type, V, VOIDTYPE, and Y.

Referenced by compileProg().

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mkStmts()

static case_stmt * mkStmts ( Expr_t *  prog, char *  src, case_infos_t  cases, const char *  lbl  )

static

Definition at line 2240 of file compile.c.

References case_stmt::action, case_info::action, agxbfree(), agxbprint(), agxbuse(), case_info::astart, checkGuard(), compile(), getErrorErrors(), case_info::gstart, case_stmt::guard, case_info::guard, guard, gv_calloc(), INTEGER, and PRISIZE_T.

Referenced by mkBlock().

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nameOf()

static char * nameOf ( Expr_t *  ex, Agobj_t *  obj, agxbuf *  tmps  )

static

Definition at line 57 of file compile.c.

References AGHEAD, agisdirected(), AGMKOUT, agnameof(), AGNODE, AGRAPH, agraphof(), AGTAIL, AGTYPE, agxbput(), agxbputc(), agxbuse(), and exstring().

Referenced by getval(), lookup(), and stringOf().

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nxtAttr()

static char * nxtAttr ( Agraph_t *  gp, char *  k, char *  name  )

static

Definition at line 546 of file compile.c.

References agattr_text(), agnxtattr(), exerror(), Agsym_s::name, NULL, and toKind().

Referenced by getval().

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openEdge()

Agedge_t * openEdge	(	Agraph_t *	g,
		Agnode_t *	t,
		Agnode_t *	h,
		char *	key
	)

Definition at line 2492 of file compile.c.

References agbindrec(), agedge(), aggetrec(), sameG(), and UDATA.

Referenced by cloneO(), copy(), and getval().

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openG()

Agraph_t * openG	(	char *	name,
		Agdesc_t	desc
	)

Definition at line 2464 of file compile.c.

References agbindrec(), agopen(), NULL, and UDATA.

Referenced by cloneG(), cloneO(), copy(), and getval().

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openNode()

Agnode_t * openNode	(	Agraph_t *	g,
		char *	name
	)

Definition at line 2482 of file compile.c.

References agbindrec(), aggetrec(), agnode(), and UDATA.

Referenced by cloneO(), copy(), and getval().

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openSubg()

Agraph_t * openSubg	(	Agraph_t *	g,
		char *	name
	)

Definition at line 2472 of file compile.c.

References agbindrec(), aggetrec(), agsubg(), and UDATA.

Referenced by cloneO(), compOf(), copy(), getval(), and traverse().

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posOf()

static int posOf ( Agnode_t *  np, int  idx, double *  v  )

static

Definition at line 131 of file compile.c.

References agattr_text(), AGNODE, agroot(), agxget(), and ps.

Referenced by lookup().

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ptr2int()

static long long ptr2int ( const void *  p )

static

Definition at line 52 of file compile.c.

Referenced by getval(), and lookup().

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readG()

Agraph_t * readG

(

FILE *

fp

)

Definition at line 2453 of file compile.c.

References AGEDGE, aginit(), AGNODE, AGRAPH, agread(), NULL, and UDATA.

Referenced by freadFile(), and readFile().

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refval()

static Extype_t refval ( Expr_t *  pgm, Exnode_t *  node, Exid_t *  sym, Exref_t *  ref  )

static

Definition at line 1766 of file compile.c.

References agxbfree(), CONSTANT, deparse(), exerror(), exzero(), Exid_s::index, EX_STYPE::integer, Exid_s::lex, ref(), TV_bfs, TV_dfs, TV_en, TV_flat, TV_fwd, TV_ne, TV_postdfs, TV_postfwd, TV_postrev, TV_prepostdfs, TV_prepostfwd, TV_prepostrev, TV_rev, and typeChkExp().

Referenced by initDisc().

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setattr()

static int setattr ( Agobj_t *  objp, char *  name, char *  val  )

static

Definition at line 328 of file compile.c.

References agattr_text(), agattrsym(), agraphof(), agroot(), AGTYPE, and agxset().

Referenced by getval(), and setval().

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setDfltAttr()

static int setDfltAttr ( Agraph_t *  gp, char *  k, char *  name, char *  value  )

static

Definition at line 499 of file compile.c.

References agattr_text(), AGEDGE, AGNODE, AGRAPH, agroot(), error, ERROR_WARNING, and NULL.

Referenced by getval().

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setval()

static int setval ( Expr_t *  pgm, Exnode_t *  x, Exid_t *  sym, Exref_t *  ref, void *  env, Extype_t  v  )

static

Definition at line 1532 of file compile.c.

References agnameof(), agroot(), agxbfree(), assignable(), Gpr_t::curgraph, Gpr_t::curobj, deparse(), deref(), error, exerror(), Gpr_t::flags, free(), GV_NEXT_SET, Exid_s::index, int2ptr(), EX_STYPE::integer, MAXNAME, Exid_s::name, Gpr_t::name_used, Gpr_t::outgraph, ref(), setattr(), EX_STYPE::string, Gpr_t::tgtname, Gpr_t::tvnext, Gpr_t::tvroot, Gpr_t::tvt, typeName(), and validTVT().

Referenced by initDisc().

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stringOf()

static int stringOf ( Expr_t *  prog, Exnode_t *  x, int  arg  )

static

Definition at line 2040 of file compile.c.

References agxbfree(), Exdata_u::constant, Exnode_s::data, exerror(), int2ptr(), EX_STYPE::integer, nameOf(), STRING, EX_STYPE::string, tvtypeToStr(), Exnode_s::type, typeName(), and Exdata_u::value.

Referenced by initDisc().

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strToTvtype()

static int strToTvtype ( char *  s )

static

Definition at line 1946 of file compile.c.

References exerror(), startswith(), TV_bfs, TV_dfs, TV_en, TV_flat, TV_fwd, TV_ne, TV_postdfs, TV_postfwd, TV_postrev, TV_prepostdfs, TV_prepostfwd, TV_prepostrev, and TV_rev.

Referenced by convert().

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toKind()

static int toKind ( char *  k, char *  fn  )

static

Definition at line 531 of file compile.c.

References AGEDGE, AGNODE, AGRAPH, and exerror().

Referenced by getDfltAttr(), getval(), and nxtAttr().

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tvtypeToStr()

static char * tvtypeToStr ( long long  v )

static

Definition at line 1985 of file compile.c.

References exerror(), TV_bfs, TV_dfs, TV_en, TV_flat, TV_fwd, TV_ne, TV_postdfs, TV_postfwd, TV_postrev, TV_prepostdfs, TV_prepostfwd, TV_prepostrev, and TV_rev.

Referenced by convert(), and stringOf().

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typeChk()

static tctype typeChk ( tctype  intype, Exid_t *  sym  )

static

Definition at line 1664 of file compile.c.

References DYNAMIC, E, exerror(), F, FLOATING, G, haveGraph, haveTarget, I, ID, Exid_s::index, INTEGER, Exid_s::lex, MAXNAME, NAME, Exid_s::name, S, STRING, T_edge, T_graph, T_node, tchk, Exid_s::type, V, Y, and YALL.

Referenced by typeChkExp().

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typeChkExp()

static tctype typeChkExp ( Exref_t *  ref, Exid_t *  sym  )

static

Definition at line 1747 of file compile.c.

References ref(), and typeChk().

Referenced by refval().

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typeName()

static char * typeName ( long  op )

static

Definition at line 1526 of file compile.c.

References MINTYPE, and typenames.

Referenced by initDisc(), setval(), and stringOf().

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xargs()

static Agdesc_t xargs ( char *  args )

static

Definition at line 185 of file compile.c.

References Agdirected, Agdesc_s::directed, error, ERROR_WARNING, and Agdesc_s::strict.

Referenced by getval().

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xyOf()

static char * xyOf ( Expr_t *  pgm, char *  pt, bool  getx  )

static

Definition at line 111 of file compile.c.

References exstralloc(), exstring(), and len().

Referenced by getval().

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Variable Documentation

a2t

int a2t[]

static

Initial value:

= {0,      FLOATING, INTEGER, STRING,
                    T_node, T_edge,   T_graph, T_obj}

Definition at line 2155 of file compile.c.

Referenced by initDisc().

codePhase

int codePhase

static

Definition at line 1651 of file compile.c.

Referenced by compileProg(), and mkBlock().